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Author SHA1 Message Date
Greg Kroah-Hartman
8ca5759502 This is the 4.19.73 stable release
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Merge 4.19.73 into android-4.19

Changes in 4.19.73
	ALSA: hda - Fix potential endless loop at applying quirks
	ALSA: hda/realtek - Fix overridden device-specific initialization
	ALSA: hda/realtek - Add quirk for HP Pavilion 15
	ALSA: hda/realtek - Enable internal speaker & headset mic of ASUS UX431FL
	ALSA: hda/realtek - Fix the problem of two front mics on a ThinkCentre
	sched/fair: Don't assign runtime for throttled cfs_rq
	drm/vmwgfx: Fix double free in vmw_recv_msg()
	vhost/test: fix build for vhost test
	vhost/test: fix build for vhost test - again
	powerpc/tm: Fix FP/VMX unavailable exceptions inside a transaction
	batman-adv: fix uninit-value in batadv_netlink_get_ifindex()
	batman-adv: Only read OGM tvlv_len after buffer len check
	hv_sock: Fix hang when a connection is closed
	Blk-iolatency: warn on negative inflight IO counter
	blk-iolatency: fix STS_AGAIN handling
	{nl,mac}80211: fix interface combinations on crypto controlled devices
	timekeeping: Use proper ktime_add when adding nsecs in coarse offset
	selftests: fib_rule_tests: use pre-defined DEV_ADDR
	x86/ftrace: Fix warning and considate ftrace_jmp_replace() and ftrace_call_replace()
	powerpc/64: mark start_here_multiplatform as __ref
	media: stm32-dcmi: fix irq = 0 case
	arm64: dts: rockchip: enable usb-host regulators at boot on rk3328-rock64
	scripts/decode_stacktrace: match basepath using shell prefix operator, not regex
	riscv: remove unused variable in ftrace
	nvme-fc: use separate work queue to avoid warning
	clk: s2mps11: Add used attribute to s2mps11_dt_match
	remoteproc: qcom: q6v5: shore up resource probe handling
	modules: always page-align module section allocations
	kernel/module: Fix mem leak in module_add_modinfo_attrs
	drm/i915: Re-apply "Perform link quality check, unconditionally during long pulse"
	media: cec/v4l2: move V4L2 specific CEC functions to V4L2
	media: cec: remove cec-edid.c
	scsi: qla2xxx: Move log messages before issuing command to firmware
	keys: Fix the use of the C++ keyword "private" in uapi/linux/keyctl.h
	Drivers: hv: kvp: Fix two "this statement may fall through" warnings
	x86, hibernate: Fix nosave_regions setup for hibernation
	remoteproc: qcom: q6v5-mss: add SCM probe dependency
	drm/amdgpu/gfx9: Update gfx9 golden settings.
	drm/amdgpu: Update gc_9_0 golden settings.
	KVM: x86: hyperv: enforce vp_index < KVM_MAX_VCPUS
	KVM: x86: hyperv: consistently use 'hv_vcpu' for 'struct kvm_vcpu_hv' variables
	KVM: x86: hyperv: keep track of mismatched VP indexes
	KVM: hyperv: define VP assist page helpers
	x86/kvm/lapic: preserve gfn_to_hva_cache len on cache reinit
	drm/i915: Fix intel_dp_mst_best_encoder()
	drm/i915: Rename PLANE_CTL_DECOMPRESSION_ENABLE
	drm/i915/gen9+: Fix initial readout for Y tiled framebuffers
	drm/atomic_helper: Disallow new modesets on unregistered connectors
	Drivers: hv: kvp: Fix the indentation of some "break" statements
	Drivers: hv: kvp: Fix the recent regression caused by incorrect clean-up
	powerplay: Respect units on max dcfclk watermark
	drm/amd/pp: Fix truncated clock value when set watermark
	drm/amd/dm: Understand why attaching path/tile properties are needed
	ARM: davinci: da8xx: define gpio interrupts as separate resources
	ARM: davinci: dm365: define gpio interrupts as separate resources
	ARM: davinci: dm646x: define gpio interrupts as separate resources
	ARM: davinci: dm355: define gpio interrupts as separate resources
	ARM: davinci: dm644x: define gpio interrupts as separate resources
	s390/zcrypt: reinit ap queue state machine during device probe
	media: vim2m: use workqueue
	media: vim2m: use cancel_delayed_work_sync instead of flush_schedule_work
	drm/i915: Restore sane defaults for KMS on GEM error load
	drm/i915: Cleanup gt powerstate from gem
	KVM: PPC: Book3S HV: Fix race between kvm_unmap_hva_range and MMU mode switch
	Btrfs: clean up scrub is_dev_replace parameter
	Btrfs: fix deadlock with memory reclaim during scrub
	btrfs: Remove extent_io_ops::fill_delalloc
	btrfs: Fix error handling in btrfs_cleanup_ordered_extents
	scsi: megaraid_sas: Fix combined reply queue mode detection
	scsi: megaraid_sas: Add check for reset adapter bit
	scsi: megaraid_sas: Use 63-bit DMA addressing
	powerpc/pkeys: Fix handling of pkey state across fork()
	btrfs: volumes: Make sure no dev extent is beyond device boundary
	btrfs: Use real device structure to verify dev extent
	media: vim2m: only cancel work if it is for right context
	ARC: show_regs: lockdep: re-enable preemption
	ARC: mm: do_page_fault fixes #1: relinquish mmap_sem if signal arrives while handle_mm_fault
	IB/uverbs: Fix OOPs upon device disassociation
	crypto: ccree - fix resume race condition on init
	crypto: ccree - add missing inline qualifier
	drm/vblank: Allow dynamic per-crtc max_vblank_count
	drm/i915/ilk: Fix warning when reading emon_status with no output
	mfd: Kconfig: Fix I2C_DESIGNWARE_PLATFORM dependencies
	tpm: Fix some name collisions with drivers/char/tpm.h
	bcache: replace hard coded number with BUCKET_GC_GEN_MAX
	bcache: treat stale && dirty keys as bad keys
	KVM: VMX: Compare only a single byte for VMCS' "launched" in vCPU-run
	iio: adc: exynos-adc: Add S5PV210 variant
	dt-bindings: iio: adc: exynos-adc: Add S5PV210 variant
	iio: adc: exynos-adc: Use proper number of channels for Exynos4x12
	mt76: fix corrupted software generated tx CCMP PN
	drm/nouveau: Don't WARN_ON VCPI allocation failures
	iwlwifi: fix devices with PCI Device ID 0x34F0 and 11ac RF modules
	iwlwifi: add new card for 9260 series
	x86/kvmclock: set offset for kvm unstable clock
	spi: spi-gpio: fix SPI_CS_HIGH capability
	powerpc/kvm: Save and restore host AMR/IAMR/UAMOR
	mmc: renesas_sdhi: Fix card initialization failure in high speed mode
	btrfs: scrub: pass fs_info to scrub_setup_ctx
	btrfs: scrub: move scrub_setup_ctx allocation out of device_list_mutex
	btrfs: scrub: fix circular locking dependency warning
	btrfs: init csum_list before possible free
	PCI: qcom: Fix error handling in runtime PM support
	PCI: qcom: Don't deassert reset GPIO during probe
	drm: add __user attribute to ptr_to_compat()
	CIFS: Fix error paths in writeback code
	CIFS: Fix leaking locked VFS cache pages in writeback retry
	drm/i915: Handle vm_mmap error during I915_GEM_MMAP ioctl with WC set
	drm/i915: Sanity check mmap length against object size
	usb: typec: tcpm: Try PD-2.0 if sink does not respond to 3.0 source-caps
	arm64: dts: stratix10: add the sysmgr-syscon property from the gmac's
	IB/mlx5: Reset access mask when looping inside page fault handler
	kvm: mmu: Fix overflow on kvm mmu page limit calculation
	x86/kvm: move kvm_load/put_guest_xcr0 into atomic context
	KVM: x86: Always use 32-bit SMRAM save state for 32-bit kernels
	cifs: Fix lease buffer length error
	media: i2c: tda1997x: select V4L2_FWNODE
	ext4: protect journal inode's blocks using block_validity
	ARM: dts: qcom: ipq4019: fix PCI range
	ARM: dts: qcom: ipq4019: Fix MSI IRQ type
	ARM: dts: qcom: ipq4019: enlarge PCIe BAR range
	dt-bindings: mmc: Add supports-cqe property
	dt-bindings: mmc: Add disable-cqe-dcmd property.
	PCI: Add macro for Switchtec quirk declarations
	PCI: Reset Lenovo ThinkPad P50 nvgpu at boot if necessary
	dm mpath: fix missing call of path selector type->end_io
	blk-mq: free hw queue's resource in hctx's release handler
	mmc: sdhci-pci: Add support for Intel CML
	PCI: dwc: Use devm_pci_alloc_host_bridge() to simplify code
	cifs: smbd: take an array of reqeusts when sending upper layer data
	dm crypt: move detailed message into debug level
	signal/arc: Use force_sig_fault where appropriate
	ARC: mm: fix uninitialised signal code in do_page_fault
	ARC: mm: SIGSEGV userspace trying to access kernel virtual memory
	drm/amdkfd: Add missing Polaris10 ID
	kvm: Check irqchip mode before assign irqfd
	drm/amdgpu: fix ring test failure issue during s3 in vce 3.0 (V2)
	drm/amdgpu/{uvd,vcn}: fetch ring's read_ptr after alloc
	Btrfs: fix race between block group removal and block group allocation
	cifs: add spinlock for the openFileList to cifsInodeInfo
	clk: tegra: Fix maximum audio sync clock for Tegra124/210
	clk: tegra210: Fix default rates for HDA clocks
	IB/hfi1: Avoid hardlockup with flushlist_lock
	apparmor: reset pos on failure to unpack for various functions
	scsi: target/core: Use the SECTOR_SHIFT constant
	scsi: target/iblock: Fix overrun in WRITE SAME emulation
	staging: wilc1000: fix error path cleanup in wilc_wlan_initialize()
	scsi: zfcp: fix request object use-after-free in send path causing wrong traces
	cifs: Properly handle auto disabling of serverino option
	ALSA: hda - Don't resume forcibly i915 HDMI/DP codec
	ceph: use ceph_evict_inode to cleanup inode's resource
	KVM: x86: optimize check for valid PAT value
	KVM: VMX: Always signal #GP on WRMSR to MSR_IA32_CR_PAT with bad value
	KVM: VMX: Fix handling of #MC that occurs during VM-Entry
	KVM: VMX: check CPUID before allowing read/write of IA32_XSS
	KVM: PPC: Use ccr field in pt_regs struct embedded in vcpu struct
	KVM: PPC: Book3S HV: Fix CR0 setting in TM emulation
	ARM: dts: gemini: Set DIR-685 SPI CS as active low
	RDMA/srp: Document srp_parse_in() arguments
	RDMA/srp: Accept again source addresses that do not have a port number
	btrfs: correctly validate compression type
	resource: Include resource end in walk_*() interfaces
	resource: Fix find_next_iomem_res() iteration issue
	resource: fix locking in find_next_iomem_res()
	pstore: Fix double-free in pstore_mkfile() failure path
	dm thin metadata: check if in fail_io mode when setting needs_check
	drm/panel: Add support for Armadeus ST0700 Adapt
	ALSA: hda - Fix intermittent CORB/RIRB stall on Intel chips
	powerpc/mm: Limit rma_size to 1TB when running without HV mode
	iommu/iova: Remove stale cached32_node
	gpio: don't WARN() on NULL descs if gpiolib is disabled
	i2c: at91: disable TXRDY interrupt after sending data
	i2c: at91: fix clk_offset for sama5d2
	mm/migrate.c: initialize pud_entry in migrate_vma()
	iio: adc: gyroadc: fix uninitialized return code
	NFSv4: Fix delegation state recovery
	bcache: only clear BTREE_NODE_dirty bit when it is set
	bcache: add comments for mutex_lock(&b->write_lock)
	bcache: fix race in btree_flush_write()
	drm/i915: Make sure cdclk is high enough for DP audio on VLV/CHV
	virtio/s390: fix race on airq_areas[]
	drm/atomic_helper: Allow DPMS On<->Off changes for unregistered connectors
	ext4: don't perform block validity checks on the journal inode
	ext4: fix block validity checks for journal inodes using indirect blocks
	ext4: unsigned int compared against zero
	PCI: Reset both NVIDIA GPU and HDA in ThinkPad P50 workaround
	powerpc/tm: Remove msr_tm_active()
	powerpc/tm: Fix restoring FP/VMX facility incorrectly on interrupts
	vhost: make sure log_num < in_num
	Linux 4.19.73

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I7bc57825aeb36759bb8e8726888da9af06392c09
2019-09-16 09:35:02 +02:00
Hangbin Liu
b93aed78eb selftests: fib_rule_tests: use pre-defined DEV_ADDR
[ Upstream commit 34632975ca ]

DEV_ADDR is defined but not used. Use it in address setting.
Do the same with IPv6 for consistency.

Reported-by: David Ahern <dsahern@gmail.com>
Fixes: fc82d93e57 ("selftests: fib_rule_tests: fix local IPv4 address typo")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-16 08:21:42 +02:00
Greg Kroah-Hartman
5fc4dfdee6 This is the 4.19.72 stable release
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Merge 4.19.72 into android-4.19

Changes in 4.19.72
	mld: fix memory leak in mld_del_delrec()
	net: fix skb use after free in netpoll
	net: sched: act_sample: fix psample group handling on overwrite
	net_sched: fix a NULL pointer deref in ipt action
	net: stmmac: dwmac-rk: Don't fail if phy regulator is absent
	tcp: inherit timestamp on mtu probe
	tcp: remove empty skb from write queue in error cases
	net/rds: Fix info leak in rds6_inc_info_copy()
	x86/boot: Preserve boot_params.secure_boot from sanitizing
	spi: bcm2835aux: unifying code between polling and interrupt driven code
	spi: bcm2835aux: remove dangerous uncontrolled read of fifo
	spi: bcm2835aux: fix corruptions for longer spi transfers
	net: tundra: tsi108: use spin_lock_irqsave instead of spin_lock_irq in IRQ context
	netfilter: nf_tables: use-after-free in failing rule with bound set
	tools: bpftool: fix error message (prog -> object)
	hv_netvsc: Fix a warning of suspicious RCU usage
	net: tc35815: Explicitly check NET_IP_ALIGN is not zero in tc35815_rx
	Bluetooth: btqca: Add a short delay before downloading the NVM
	ibmveth: Convert multicast list size for little-endian system
	gpio: Fix build error of function redefinition
	netfilter: nft_flow_offload: skip tcp rst and fin packets
	drm/mediatek: use correct device to import PRIME buffers
	drm/mediatek: set DMA max segment size
	scsi: qla2xxx: Fix gnl.l memory leak on adapter init failure
	scsi: target: tcmu: avoid use-after-free after command timeout
	cxgb4: fix a memory leak bug
	liquidio: add cleanup in octeon_setup_iq()
	net: myri10ge: fix memory leaks
	lan78xx: Fix memory leaks
	vfs: fix page locking deadlocks when deduping files
	cx82310_eth: fix a memory leak bug
	net: kalmia: fix memory leaks
	ibmvnic: Unmap DMA address of TX descriptor buffers after use
	net: cavium: fix driver name
	wimax/i2400m: fix a memory leak bug
	ravb: Fix use-after-free ravb_tstamp_skb
	kprobes: Fix potential deadlock in kprobe_optimizer()
	HID: cp2112: prevent sleeping function called from invalid context
	x86/boot/compressed/64: Fix boot on machines with broken E820 table
	Input: hyperv-keyboard: Use in-place iterator API in the channel callback
	Tools: hv: kvp: eliminate 'may be used uninitialized' warning
	nvme-multipath: fix possible I/O hang when paths are updated
	IB/mlx4: Fix memory leaks
	infiniband: hfi1: fix a memory leak bug
	infiniband: hfi1: fix memory leaks
	selftests: kvm: fix state save/load on processors without XSAVE
	selftests/kvm: make platform_info_test pass on AMD
	ceph: fix buffer free while holding i_ceph_lock in __ceph_setxattr()
	ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob()
	ceph: fix buffer free while holding i_ceph_lock in fill_inode()
	KVM: arm/arm64: Only skip MMIO insn once
	afs: Fix leak in afs_lookup_cell_rcu()
	KVM: arm/arm64: VGIC: Properly initialise private IRQ affinity
	x86/boot/compressed/64: Fix missing initialization in find_trampoline_placement()
	libceph: allow ceph_buffer_put() to receive a NULL ceph_buffer
	Revert "x86/apic: Include the LDR when clearing out APIC registers"
	Linux 4.19.72

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I207e2ba522f98f6e17dacd3a2527fab615155007
2019-09-10 10:48:21 +01:00
Vitaly Kuznetsov
ddb55cc39c selftests/kvm: make platform_info_test pass on AMD
[ Upstream commit e442737239 ]

test_msr_platform_info_disabled() generates EXIT_SHUTDOWN but VMCB state
is undefined after that so an attempt to launch this guest again from
test_msr_platform_info_enabled() fails. Reorder the tests to make test
pass.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-10 10:33:51 +01:00
Paolo Bonzini
6cb9f8d60f selftests: kvm: fix state save/load on processors without XSAVE
[ Upstream commit 54577e5018 ]

state_test and smm_test are failing on older processors that do not
have xcr0.  This is because on those processor KVM does provide
support for KVM_GET/SET_XSAVE (to avoid having to rely on the older
KVM_GET/SET_FPU) but not for KVM_GET/SET_XCRS.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-10 10:33:51 +01:00
Vitaly Kuznetsov
5bbebceec6 Tools: hv: kvp: eliminate 'may be used uninitialized' warning
[ Upstream commit 89eb4d8d25 ]

When building hv_kvp_daemon GCC-8.3 complains:

hv_kvp_daemon.c: In function ‘kvp_get_ip_info.constprop’:
hv_kvp_daemon.c:812:30: warning: ‘ip_buffer’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  struct hv_kvp_ipaddr_value *ip_buffer;

this seems to be a false positive: we only use ip_buffer when
op == KVP_OP_GET_IP_INFO and it is only unset when op == KVP_OP_ENUMERATE.

Silence the warning by initializing ip_buffer to NULL.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-10 10:33:50 +01:00
Jakub Kicinski
463d87bc13 tools: bpftool: fix error message (prog -> object)
[ Upstream commit b3e78adcbf ]

Change an error message to work for any object being
pinned not just programs.

Fixes: 71bb428fe2 ("tools: bpf: add bpftool")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-10 10:33:42 +01:00
Greg Kroah-Hartman
6b1f307bd0 This is the 4.19.70 stable release
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Merge 4.19.70 into android-4.19

Changes in 4.19.70
	dmaengine: ste_dma40: fix unneeded variable warning
	nvme-multipath: revalidate nvme_ns_head gendisk in nvme_validate_ns
	afs: Fix the CB.ProbeUuid service handler to reply correctly
	afs: Fix loop index mixup in afs_deliver_vl_get_entry_by_name_u()
	fs: afs: Fix a possible null-pointer dereference in afs_put_read()
	afs: Only update d_fsdata if different in afs_d_revalidate()
	nvmet-loop: Flush nvme_delete_wq when removing the port
	nvme: fix a possible deadlock when passthru commands sent to a multipath device
	nvme-pci: Fix async probe remove race
	soundwire: cadence_master: fix register definition for SLAVE_STATE
	soundwire: cadence_master: fix definitions for INTSTAT0/1
	auxdisplay: panel: need to delete scan_timer when misc_register fails in panel_attach
	dmaengine: stm32-mdma: Fix a possible null-pointer dereference in stm32_mdma_irq_handler()
	omap-dma/omap_vout_vrfb: fix off-by-one fi value
	iommu/dma: Handle SG length overflow better
	usb: gadget: composite: Clear "suspended" on reset/disconnect
	usb: gadget: mass_storage: Fix races between fsg_disable and fsg_set_alt
	xen/blkback: fix memory leaks
	arm64: cpufeature: Don't treat granule sizes as strict
	i2c: rcar: avoid race when unregistering slave client
	i2c: emev2: avoid race when unregistering slave client
	drm/ast: Fixed reboot test may cause system hanged
	usb: host: fotg2: restart hcd after port reset
	tools: hv: fixed Python pep8/flake8 warnings for lsvmbus
	tools: hv: fix KVP and VSS daemons exit code
	drm/i915: fix broadwell EU computation
	watchdog: bcm2835_wdt: Fix module autoload
	drm/bridge: tfp410: fix memleak in get_modes()
	scsi: ufs: Fix RX_TERMINATION_FORCE_ENABLE define value
	drm/tilcdc: Register cpufreq notifier after we have initialized crtc
	net/tls: Fixed return value when tls_complete_pending_work() fails
	net/tls: swap sk_write_space on close
	net: tls, fix sk_write_space NULL write when tx disabled
	ipv6/addrconf: allow adding multicast addr if IFA_F_MCAUTOJOIN is set
	ipv6: Default fib6_type to RTN_UNICAST when not set
	net/smc: make sure EPOLLOUT is raised
	tcp: make sure EPOLLOUT wont be missed
	ipv4/icmp: fix rt dst dev null pointer dereference
	mm/zsmalloc.c: fix build when CONFIG_COMPACTION=n
	ALSA: usb-audio: Check mixer unit bitmap yet more strictly
	ALSA: line6: Fix memory leak at line6_init_pcm() error path
	ALSA: hda - Fixes inverted Conexant GPIO mic mute led
	ALSA: seq: Fix potential concurrent access to the deleted pool
	ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate()
	ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604
	kvm: x86: skip populating logical dest map if apic is not sw enabled
	KVM: x86: Don't update RIP or do single-step on faulting emulation
	uprobes/x86: Fix detection of 32-bit user mode
	x86/apic: Do not initialize LDR and DFR for bigsmp
	x86/apic: Include the LDR when clearing out APIC registers
	ftrace: Fix NULL pointer dereference in t_probe_next()
	ftrace: Check for successful allocation of hash
	ftrace: Check for empty hash and comment the race with registering probes
	usb-storage: Add new JMS567 revision to unusual_devs
	USB: cdc-wdm: fix race between write and disconnect due to flag abuse
	usb: hcd: use managed device resources
	usb: chipidea: udc: don't do hardware access if gadget has stopped
	usb: host: ohci: fix a race condition between shutdown and irq
	usb: host: xhci: rcar: Fix typo in compatible string matching
	USB: storage: ums-realtek: Update module parameter description for auto_delink_en
	USB: storage: ums-realtek: Whitelist auto-delink support
	mei: me: add Tiger Lake point LP device ID
	mmc: sdhci-of-at91: add quirk for broken HS200
	mmc: core: Fix init of SD cards reporting an invalid VDD range
	stm class: Fix a double free of stm_source_device
	intel_th: pci: Add support for another Lewisburg PCH
	intel_th: pci: Add Tiger Lake support
	typec: tcpm: fix a typo in the comparison of pdo_max_voltage
	fsi: scom: Don't abort operations for minor errors
	lib: logic_pio: Fix RCU usage
	lib: logic_pio: Avoid possible overlap for unregistering regions
	lib: logic_pio: Add logic_pio_unregister_range()
	drm/amdgpu: Add APTX quirk for Dell Latitude 5495
	drm/i915: Don't deballoon unused ggtt drm_mm_node in linux guest
	drm/i915: Call dma_set_max_seg_size() in i915_driver_hw_probe()
	bus: hisi_lpc: Unregister logical PIO range to avoid potential use-after-free
	bus: hisi_lpc: Add .remove method to avoid driver unbind crash
	VMCI: Release resource if the work is already queued
	crypto: ccp - Ignore unconfigured CCP device on suspend/resume
	Revert "cfg80211: fix processing world regdomain when non modular"
	mac80211: fix possible sta leak
	mac80211: Don't memset RXCB prior to PAE intercept
	mac80211: Correctly set noencrypt for PAE frames
	KVM: PPC: Book3S: Fix incorrect guest-to-user-translation error handling
	KVM: arm/arm64: vgic: Fix potential deadlock when ap_list is long
	KVM: arm/arm64: vgic-v2: Handle SGI bits in GICD_I{S,C}PENDR0 as WI
	NFS: Clean up list moves of struct nfs_page
	NFSv4/pnfs: Fix a page lock leak in nfs_pageio_resend()
	NFS: Pass error information to the pgio error cleanup routine
	NFS: Ensure O_DIRECT reports an error if the bytes read/written is 0
	i2c: piix4: Fix port selection for AMD Family 16h Model 30h
	x86/ptrace: fix up botched merge of spectrev1 fix
	mt76: mt76x0u: do not reset radio on resume
	Revert "ASoC: Fail card instantiation if DAI format setup fails"
	Linux 4.19.70

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I35ff8a403a05a8c66d87cb4b542997e63c422288
2019-09-06 12:08:42 +02:00
Adrian Vladu
c61c7246dc tools: hv: fix KVP and VSS daemons exit code
[ Upstream commit b099515607 ]

HyperV KVP and VSS daemons should exit with 0 when the '--help'
or '-h' flags are used.

Signed-off-by: Adrian Vladu <avladu@cloudbasesolutions.com>

Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Sasha Levin <sashal@kernel.org>
Cc: Alessandro Pilotti <apilotti@cloudbasesolutions.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-06 10:22:00 +02:00
Adrian Vladu
0c39d818aa tools: hv: fixed Python pep8/flake8 warnings for lsvmbus
[ Upstream commit 5912e791f3 ]

Fixed pep8/flake8 python style code for lsvmbus tool.

The TAB indentation was on purpose ignored (pep8 rule W191) to make
sure the code is complying with the Linux code guideline.
The following command doe not show any warnings now:
pep8 --ignore=W191 lsvmbus
flake8 --ignore=W191 lsvmbus

Signed-off-by: Adrian Vladu <avladu@cloudbasesolutions.com>

Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Sasha Levin <sashal@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Alessandro Pilotti <apilotti@cloudbasesolutions.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-06 10:22:00 +02:00
Greg Kroah-Hartman
12dc90c620 This is the 4.19.69 stable release
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Merge 4.19.69 into android-4.19

Changes in 4.19.69
	HID: Add 044f:b320 ThrustMaster, Inc. 2 in 1 DT
	MIPS: kernel: only use i8253 clocksource with periodic clockevent
	mips: fix cacheinfo
	netfilter: ebtables: fix a memory leak bug in compat
	ASoC: dapm: Fix handling of custom_stop_condition on DAPM graph walks
	selftests/bpf: fix sendmsg6_prog on s390
	bonding: Force slave speed check after link state recovery for 802.3ad
	net: mvpp2: Don't check for 3 consecutive Idle frames for 10G links
	selftests: forwarding: gre_multipath: Enable IPv4 forwarding
	selftests: forwarding: gre_multipath: Fix flower filters
	can: dev: call netif_carrier_off() in register_candev()
	can: mcp251x: add error check when wq alloc failed
	can: gw: Fix error path of cgw_module_init
	ASoC: Fail card instantiation if DAI format setup fails
	st21nfca_connectivity_event_received: null check the allocation
	st_nci_hci_connectivity_event_received: null check the allocation
	ASoC: rockchip: Fix mono capture
	ASoC: ti: davinci-mcasp: Correct slot_width posed constraint
	net: usb: qmi_wwan: Add the BroadMobi BM818 card
	qed: RDMA - Fix the hw_ver returned in device attributes
	isdn: mISDN: hfcsusb: Fix possible null-pointer dereferences in start_isoc_chain()
	mac80211_hwsim: Fix possible null-pointer dereferences in hwsim_dump_radio_nl()
	netfilter: ipset: Actually allow destination MAC address for hash:ip,mac sets too
	netfilter: ipset: Copy the right MAC address in bitmap:ip,mac and hash:ip,mac sets
	netfilter: ipset: Fix rename concurrency with listing
	rxrpc: Fix potential deadlock
	rxrpc: Fix the lack of notification when sendmsg() fails on a DATA packet
	isdn: hfcsusb: Fix mISDN driver crash caused by transfer buffer on the stack
	net: phy: phy_led_triggers: Fix a possible null-pointer dereference in phy_led_trigger_change_speed()
	perf bench numa: Fix cpu0 binding
	can: sja1000: force the string buffer NULL-terminated
	can: peak_usb: force the string buffer NULL-terminated
	net/ethernet/qlogic/qed: force the string buffer NULL-terminated
	NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()
	NFS: Fix regression whereby fscache errors are appearing on 'nofsc' mounts
	HID: quirks: Set the INCREMENT_USAGE_ON_DUPLICATE quirk on Saitek X52
	HID: input: fix a4tech horizontal wheel custom usage
	drm/rockchip: Suspend DP late
	SMB3: Fix potential memory leak when processing compound chain
	SMB3: Kernel oops mounting a encryptData share with CONFIG_DEBUG_VIRTUAL
	s390: put _stext and _etext into .text section
	net: cxgb3_main: Fix a resource leak in a error path in 'init_one()'
	net: stmmac: Fix issues when number of Queues >= 4
	net: stmmac: tc: Do not return a fragment entry
	net: hisilicon: make hip04_tx_reclaim non-reentrant
	net: hisilicon: fix hip04-xmit never return TX_BUSY
	net: hisilicon: Fix dma_map_single failed on arm64
	libata: have ata_scsi_rw_xlat() fail invalid passthrough requests
	libata: add SG safety checks in SFF pio transfers
	x86/lib/cpu: Address missing prototypes warning
	drm/vmwgfx: fix memory leak when too many retries have occurred
	block, bfq: handle NULL return value by bfq_init_rq()
	perf ftrace: Fix failure to set cpumask when only one cpu is present
	perf cpumap: Fix writing to illegal memory in handling cpumap mask
	perf pmu-events: Fix missing "cpu_clk_unhalted.core" event
	KVM: arm64: Don't write junk to sysregs on reset
	KVM: arm: Don't write junk to CP15 registers on reset
	selftests: kvm: Adding config fragments
	HID: wacom: correct misreported EKR ring values
	HID: wacom: Correct distance scale for 2nd-gen Intuos devices
	Revert "dm bufio: fix deadlock with loop device"
	clk: socfpga: stratix10: fix rate caclulationg for cnt_clks
	ceph: clear page dirty before invalidate page
	ceph: don't try fill file_lock on unsuccessful GETFILELOCK reply
	libceph: fix PG split vs OSD (re)connect race
	drm/nouveau: Don't retry infinitely when receiving no data on i2c over AUX
	gpiolib: never report open-drain/source lines as 'input' to user-space
	Drivers: hv: vmbus: Fix virt_to_hvpfn() for X86_PAE
	userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx
	x86/retpoline: Don't clobber RFLAGS during CALL_NOSPEC on i386
	x86/apic: Handle missing global clockevent gracefully
	x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
	x86/boot: Save fields explicitly, zero out everything else
	x86/boot: Fix boot regression caused by bootparam sanitizing
	dm kcopyd: always complete failed jobs
	dm btree: fix order of block initialization in btree_split_beneath
	dm integrity: fix a crash due to BUG_ON in __journal_read_write()
	dm raid: add missing cleanup in raid_ctr()
	dm space map metadata: fix missing store of apply_bops() return value
	dm table: fix invalid memory accesses with too high sector number
	dm zoned: improve error handling in reclaim
	dm zoned: improve error handling in i/o map code
	dm zoned: properly handle backing device failure
	genirq: Properly pair kobject_del() with kobject_add()
	mm, page_owner: handle THP splits correctly
	mm/zsmalloc.c: migration can leave pages in ZS_EMPTY indefinitely
	mm/zsmalloc.c: fix race condition in zs_destroy_pool
	xfs: fix missing ILOCK unlock when xfs_setattr_nonsize fails due to EDQUOT
	xfs: don't trip over uninitialized buffer on extent read of corrupted inode
	xfs: Move fs/xfs/xfs_attr.h to fs/xfs/libxfs/xfs_attr.h
	xfs: Add helper function xfs_attr_try_sf_addname
	xfs: Add attibute set and helper functions
	xfs: Add attibute remove and helper functions
	xfs: always rejoin held resources during defer roll
	dm zoned: fix potential NULL dereference in dmz_do_reclaim()
	powerpc: Allow flush_(inval_)dcache_range to work across ranges >4GB
	rxrpc: Fix local endpoint refcounting
	rxrpc: Fix read-after-free in rxrpc_queue_local()
	rxrpc: Fix local endpoint replacement
	rxrpc: Fix local refcounting
	Linux 4.19.69

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9824a29e0434a6a80e2f32fdb88c0ac1fe8e5af5
2019-09-02 17:39:29 +02:00
Naresh Kamboju
3c4b283a0d selftests: kvm: Adding config fragments
[ Upstream commit c096397c78 ]

selftests kvm test cases need pre-required kernel configs for the test
to get pass.

Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:48 +02:00
Jin Yao
5905494876 perf pmu-events: Fix missing "cpu_clk_unhalted.core" event
[ Upstream commit 8e6e5bea2e ]

The events defined in pmu-events JSON are parsed and added into perf
tool. For fixed counters, we handle the encodings between JSON and perf
by using a static array fixed[].

But the fixed[] has missed an important event "cpu_clk_unhalted.core".

For example, on the Tremont platform,

  [root@localhost ~]# perf stat -e cpu_clk_unhalted.core -a
  event syntax error: 'cpu_clk_unhalted.core'
                       \___ parser error

With this patch, the event cpu_clk_unhalted.core can be parsed.

  [root@localhost perf]# ./perf stat -e cpu_clk_unhalted.core -a -vvv
  ------------------------------------------------------------
  perf_event_attr:
    type                             4
    size                             112
    config                           0x3c
    sample_type                      IDENTIFIER
    read_format                      TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
    disabled                         1
    inherit                          1
    exclude_guest                    1
  ------------------------------------------------------------
...

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190729072755.2166-1-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:47 +02:00
He Zhe
06ed429b90 perf cpumap: Fix writing to illegal memory in handling cpumap mask
[ Upstream commit 5f5e25f1c7 ]

cpu_map__snprint_mask() would write to illegal memory pointed by
zalloc(0) when there is only one cpu.

This patch fixes the calculation and adds sanity check against the input
parameters.

Signed-off-by: He Zhe <zhe.he@windriver.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Fixes: 4400ac8a9a ("perf cpumap: Introduce cpu_map__snprint_mask()")
Link: http://lkml.kernel.org/r/1564734592-15624-2-git-send-email-zhe.he@windriver.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:47 +02:00
He Zhe
e49cfed0a8 perf ftrace: Fix failure to set cpumask when only one cpu is present
[ Upstream commit cf30ae726c ]

The buffer containing the string used to set cpumask is overwritten at
the end of the string later in cpu_map__snprint_mask due to not enough
memory space, when there is only one cpu.

And thus causes the following failure:

  $ perf ftrace ls
  failed to reset ftrace
  $

This patch fixes the calculation of the cpumask string size.

Signed-off-by: He Zhe <zhe.he@windriver.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Fixes: dc23103278 ("perf ftrace: Add support for -a and -C option")
Link: http://lkml.kernel.org/r/1564734592-15624-1-git-send-email-zhe.he@windriver.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:46 +02:00
Jiri Olsa
a3d1263c9b perf bench numa: Fix cpu0 binding
[ Upstream commit 6bbfe4e602 ]

Michael reported an issue with perf bench numa failing with binding to
cpu0 with '-0' option.

  # perf bench numa mem -p 3 -t 1 -P 512 -s 100 -zZcm0 --thp 1 -M 1 -ddd
  # Running 'numa/mem' benchmark:

   # Running main, "perf bench numa numa-mem -p 3 -t 1 -P 512 -s 100 -zZcm0 --thp 1 -M 1 -ddd"
  binding to node 0, mask: 0000000000000001 => -1
  perf: bench/numa.c:356: bind_to_memnode: Assertion `!(ret)' failed.
  Aborted (core dumped)

This happens when the cpu0 is not part of node0, which is the benchmark
assumption and we can see that's not the case for some powerpc servers.

Using correct node for cpu0 binding.

Reported-by: Michael Petlan <mpetlan@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20190801142642.28004-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:36 +02:00
Ido Schimmel
43d31fd9a8 selftests: forwarding: gre_multipath: Fix flower filters
[ Upstream commit 1be79d89b7 ]

The TC filters used in the test do not work with veth devices because the
outer Ethertype is 802.1Q and not IPv4. The test passes with mlxsw
netdevs since the hardware always looks at "The first Ethertype that
does not point to either: VLAN, CNTAG or configurable Ethertype".

Fix this by matching on the VLAN ID instead, but on the ingress side.
The reason why this is not performed at egress is explained in the
commit cited below.

Fixes: 541ad323db ("selftests: forwarding: gre_multipath: Update next-hop statistics match criteria")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Tested-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:30 +02:00
Ido Schimmel
ef52e2b9a6 selftests: forwarding: gre_multipath: Enable IPv4 forwarding
[ Upstream commit efa7b79f67 ]

The test did not enable IPv4 forwarding during its setup phase, which
causes the test to fail on machines where IPv4 forwarding is disabled.

Fixes: 54818c4c4b ("selftests: forwarding: Test multipath tunneling")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Tested-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:29 +02:00
Ilya Leoshkevich
b7038c195f selftests/bpf: fix sendmsg6_prog on s390
[ Upstream commit c8eee4135a ]

"sendmsg6: rewrite IP & port (C)" fails on s390, because the code in
sendmsg_v6_prog() assumes that (ctx->user_ip6[0] & 0xFFFF) refers to
leading IPv6 address digits, which is not the case on big-endian
machines.

Since checking bitwise operations doesn't seem to be the point of the
test, replace two short comparisons with a single int comparison.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:28 +02:00
Greg Kroah-Hartman
bf707e4df1 This is the 4.19.68 stable release
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Merge 4.19.68 into android-4.19

Changes in 4.19.68
	sh: kernel: hw_breakpoint: Fix missing break in switch statement
	seq_file: fix problem when seeking mid-record
	mm/hmm: fix bad subpage pointer in try_to_unmap_one
	mm: mempolicy: make the behavior consistent when MPOL_MF_MOVE* and MPOL_MF_STRICT were specified
	mm: mempolicy: handle vma with unmovable pages mapped correctly in mbind
	mm/memcontrol.c: fix use after free in mem_cgroup_iter()
	mm/usercopy: use memory range to be accessed for wraparound check
	Revert "pwm: Set class for exported channels in sysfs"
	cpufreq: schedutil: Don't skip freq update when limits change
	xtensa: add missing isync to the cpu_reset TLB code
	ALSA: hda/realtek - Add quirk for HP Envy x360
	ALSA: usb-audio: Fix a stack buffer overflow bug in check_input_term
	ALSA: usb-audio: Fix an OOB bug in parse_audio_mixer_unit
	ALSA: hda - Apply workaround for another AMD chip 1022:1487
	ALSA: hda - Fix a memory leak bug
	ALSA: hda - Add a generic reboot_notify
	ALSA: hda - Let all conexant codec enter D3 when rebooting
	HID: holtek: test for sanity of intfdata
	HID: hiddev: avoid opening a disconnected device
	HID: hiddev: do cleanup in failure of opening a device
	Input: kbtab - sanity check for endpoint type
	Input: iforce - add sanity checks
	net: usb: pegasus: fix improper read if get_registers() fail
	netfilter: ebtables: also count base chain policies
	riscv: Make __fstate_clean() work correctly.
	clk: at91: generated: Truncate divisor to GENERATED_MAX_DIV + 1
	clk: sprd: Select REGMAP_MMIO to avoid compile errors
	clk: renesas: cpg-mssr: Fix reset control race condition
	xen/pciback: remove set but not used variable 'old_state'
	irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
	irqchip/irq-imx-gpcv2: Forward irq type to parent
	perf header: Fix divide by zero error if f_header.attr_size==0
	perf header: Fix use of unitialized value warning
	libata: zpodd: Fix small read overflow in zpodd_get_mech_type()
	drm/bridge: lvds-encoder: Fix build error while CONFIG_DRM_KMS_HELPER=m
	Btrfs: fix deadlock between fiemap and transaction commits
	scsi: hpsa: correct scsi command status issue after reset
	scsi: qla2xxx: Fix possible fcport null-pointer dereferences
	drm/amdgpu: fix a potential information leaking bug
	ata: libahci: do not complain in case of deferred probe
	kbuild: modpost: handle KBUILD_EXTRA_SYMBOLS only for external modules
	kbuild: Check for unknown options with cc-option usage in Kconfig and clang
	arm64/efi: fix variable 'si' set but not used
	arm64: unwind: Prohibit probing on return_address()
	arm64/mm: fix variable 'pud' set but not used
	IB/core: Add mitigation for Spectre V1
	IB/mlx5: Fix MR registration flow to use UMR properly
	IB/mad: Fix use-after-free in ib mad completion handling
	drm: msm: Fix add_gpu_components
	drm/exynos: fix missing decrement of retry counter
	Revert "kmemleak: allow to coexist with fault injection"
	ocfs2: remove set but not used variable 'last_hash'
	asm-generic: fix -Wtype-limits compiler warnings
	arm64: KVM: regmap: Fix unexpected switch fall-through
	KVM: arm/arm64: Sync ICH_VMCR_EL2 back when about to block
	staging: comedi: dt3000: Fix signed integer overflow 'divider * base'
	staging: comedi: dt3000: Fix rounding up of timer divisor
	iio: adc: max9611: Fix temperature reading in probe
	USB: core: Fix races in character device registration and deregistraion
	usb: gadget: udc: renesas_usb3: Fix sysfs interface of "role"
	usb: cdc-acm: make sure a refcount is taken early enough
	USB: CDC: fix sanity checks in CDC union parser
	USB: serial: option: add D-Link DWM-222 device ID
	USB: serial: option: Add support for ZTE MF871A
	USB: serial: option: add the BroadMobi BM818 card
	USB: serial: option: Add Motorola modem UARTs
	drm/i915/cfl: Add a new CFL PCI ID.
	dm: disable DISCARD if the underlying storage no longer supports it
	arm64: ftrace: Ensure module ftrace trampoline is coherent with I-side
	netfilter: conntrack: Use consistent ct id hash calculation
	Input: psmouse - fix build error of multiple definition
	iommu/amd: Move iommu_init_pci() to .init section
	bnx2x: Fix VF's VLAN reconfiguration in reload.
	bonding: Add vlan tx offload to hw_enc_features
	net: dsa: Check existence of .port_mdb_add callback before calling it
	net/mlx4_en: fix a memory leak bug
	net/packet: fix race in tpacket_snd()
	sctp: fix memleak in sctp_send_reset_streams
	sctp: fix the transport error_count check
	team: Add vlan tx offload to hw_enc_features
	tipc: initialise addr_trail_end when setting node addresses
	xen/netback: Reset nr_frags before freeing skb
	net/mlx5e: Only support tx/rx pause setting for port owner
	net/mlx5e: Use flow keys dissector to parse packets for ARFS
	mmc: sdhci-of-arasan: Do now show error message in case of deffered probe
	Linux 4.19.68

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8d9bb84a852deab3581f6cb37b4cb16e9bfe927c
2019-08-25 14:19:34 +02:00
Numfor Mbiziwo-Tiapo
0a19fff567 perf header: Fix use of unitialized value warning
[ Upstream commit 20f9781f49 ]

When building our local version of perf with MSAN (Memory Sanitizer) and
running the perf record command, MSAN throws a use of uninitialized
value warning in "tools/perf/util/util.c:333:6".

This warning stems from the "buf" variable being passed into "write".
It originated as the variable "ev" with the type union perf_event*
defined in the "perf_event__synthesize_attr" function in
"tools/perf/util/header.c".

In the "perf_event__synthesize_attr" function they allocate space with a malloc
call using ev, then go on to only assign some of the member variables before
passing "ev" on as a parameter to the "process" function therefore "ev"
contains uninitialized memory. Changing the malloc call to zalloc to initialize
all the members of "ev" which gets rid of the warning.

To reproduce this warning, build perf by running:
make -C tools/perf CLANG=1 CC=clang EXTRA_CFLAGS="-fsanitize=memory\
 -fsanitize-memory-track-origins"

(Additionally, llvm might have to be installed and clang might have to
be specified as the compiler - export CC=/usr/bin/clang)

then running:
tools/perf/perf record -o - ls / | tools/perf/perf --no-pager annotate\
 -i - --stdio

Please see the cover letter for why false positive warnings may be
generated.

Signed-off-by: Numfor Mbiziwo-Tiapo <nums@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Drayton <mbd@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20190724234500.253358-2-nums@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-25 10:47:53 +02:00
Vince Weaver
ab5aa579ca perf header: Fix divide by zero error if f_header.attr_size==0
[ Upstream commit 7622236ceb ]

So I have been having lots of trouble with hand-crafted perf.data files
causing segfaults and the like, so I have started fuzzing the perf tool.

First issue found:

If f_header.attr_size is 0 in the perf.data file, then perf will crash
with a divide-by-zero error.

Committer note:

Added a pr_err() to tell the user why the command failed.

Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/alpine.DEB.2.21.1907231100440.14532@macbook-air
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-25 10:47:53 +02:00
Greg Kroah-Hartman
b1e96f1650 This is the 4.19.67 stable release
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Merge 4.19.67 into android-4.19

Changes in 4.19.67
	iio: cros_ec_accel_legacy: Fix incorrect channel setting
	iio: adc: max9611: Fix misuse of GENMASK macro
	staging: gasket: apex: fix copy-paste typo
	staging: android: ion: Bail out upon SIGKILL when allocating memory.
	crypto: ccp - Fix oops by properly managing allocated structures
	crypto: ccp - Add support for valid authsize values less than 16
	crypto: ccp - Ignore tag length when decrypting GCM ciphertext
	usb: usbfs: fix double-free of usb memory upon submiturb error
	usb: iowarrior: fix deadlock on disconnect
	sound: fix a memory leak bug
	mmc: cavium: Set the correct dma max segment size for mmc_host
	mmc: cavium: Add the missing dma unmap when the dma has finished.
	loop: set PF_MEMALLOC_NOIO for the worker thread
	Input: usbtouchscreen - initialize PM mutex before using it
	Input: elantech - enable SMBus on new (2018+) systems
	Input: synaptics - enable RMI mode for HP Spectre X360
	x86/mm: Check for pfn instead of page in vmalloc_sync_one()
	x86/mm: Sync also unmappings in vmalloc_sync_all()
	mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy()
	perf annotate: Fix s390 gap between kernel end and module start
	perf db-export: Fix thread__exec_comm()
	perf record: Fix module size on s390
	x86/purgatory: Use CFLAGS_REMOVE rather than reset KBUILD_CFLAGS
	gfs2: gfs2_walk_metadata fix
	usb: host: xhci-rcar: Fix timeout in xhci_suspend()
	usb: yurex: Fix use-after-free in yurex_delete
	usb: typec: tcpm: free log buf memory when remove debug file
	usb: typec: tcpm: remove tcpm dir if no children
	usb: typec: tcpm: Add NULL check before dereferencing config
	usb: typec: tcpm: Ignore unsupported/unknown alternate mode requests
	can: rcar_canfd: fix possible IRQ storm on high load
	can: peak_usb: fix potential double kfree_skb()
	netfilter: nfnetlink: avoid deadlock due to synchronous request_module
	vfio-ccw: Set pa_nr to 0 if memory allocation fails for pa_iova_pfn
	netfilter: Fix rpfilter dropping vrf packets by mistake
	netfilter: conntrack: always store window size un-scaled
	netfilter: nft_hash: fix symhash with modulus one
	scripts/sphinx-pre-install: fix script for RHEL/CentOS
	drm/amd/display: Wait for backlight programming completion in set backlight level
	drm/amd/display: use encoder's engine id to find matched free audio device
	drm/amd/display: Fix dc_create failure handling and 666 color depths
	drm/amd/display: Only enable audio if speaker allocation exists
	drm/amd/display: Increase size of audios array
	iscsi_ibft: make ISCSI_IBFT dependson ACPI instead of ISCSI_IBFT_FIND
	nl80211: fix NL80211_HE_MAX_CAPABILITY_LEN
	mac80211: don't warn about CW params when not using them
	allocate_flower_entry: should check for null deref
	hwmon: (nct6775) Fix register address and added missed tolerance for nct6106
	drm: silence variable 'conn' set but not used
	cpufreq/pasemi: fix use-after-free in pas_cpufreq_cpu_init()
	s390/qdio: add sanity checks to the fast-requeue path
	ALSA: compress: Fix regression on compressed capture streams
	ALSA: compress: Prevent bypasses of set_params
	ALSA: compress: Don't allow paritial drain operations on capture streams
	ALSA: compress: Be more restrictive about when a drain is allowed
	perf tools: Fix proper buffer size for feature processing
	perf probe: Avoid calling freeing routine multiple times for same pointer
	drbd: dynamically allocate shash descriptor
	ACPI/IORT: Fix off-by-one check in iort_dev_find_its_id()
	nvme: fix multipath crash when ANA is deactivated
	ARM: davinci: fix sleep.S build error on ARMv4
	ARM: dts: bcm: bcm47094: add missing #cells for mdio-bus-mux
	scsi: megaraid_sas: fix panic on loading firmware crashdump
	scsi: ibmvfc: fix WARN_ON during event pool release
	scsi: scsi_dh_alua: always use a 2 second delay before retrying RTPG
	test_firmware: fix a memory leak bug
	tty/ldsem, locking/rwsem: Add missing ACQUIRE to read_failed sleep loop
	perf/core: Fix creating kernel counters for PMUs that override event->cpu
	s390/dma: provide proper ARCH_ZONE_DMA_BITS value
	HID: sony: Fix race condition between rumble and device remove.
	x86/purgatory: Do not use __builtin_memcpy and __builtin_memset
	ALSA: usb-audio: fix a memory leak bug
	can: peak_usb: pcan_usb_pro: Fix info-leaks to USB devices
	can: peak_usb: pcan_usb_fd: Fix info-leaks to USB devices
	hwmon: (nct7802) Fix wrong detection of in4 presence
	drm/i915: Fix wrong escape clock divisor init for GLK
	ALSA: firewire: fix a memory leak bug
	ALSA: hiface: fix multiple memory leak bugs
	ALSA: hda - Don't override global PCM hw info flag
	ALSA: hda - Workaround for crackled sound on AMD controller (1022:1457)
	mac80211: don't WARN on short WMM parameters from AP
	dax: dax_layout_busy_page() should not unmap cow pages
	SMB3: Fix deadlock in validate negotiate hits reconnect
	smb3: send CAP_DFS capability during session setup
	NFSv4: Fix an Oops in nfs4_do_setattr
	KVM: Fix leak vCPU's VMCS value into other pCPU
	mwifiex: fix 802.11n/WPA detection
	iwlwifi: don't unmap as page memory that was mapped as single
	iwlwifi: mvm: fix an out-of-bound access
	iwlwifi: mvm: don't send GEO_TX_POWER_LIMIT on version < 41
	iwlwifi: mvm: fix version check for GEO_TX_POWER_LIMIT support
	Linux 4.19.67

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5ea813ed5ba6d1eeda51eb4031395ee3e8ba54c3
2019-08-16 11:27:10 +02:00
Arnaldo Carvalho de Melo
f4e2d182d6 perf probe: Avoid calling freeing routine multiple times for same pointer
[ Upstream commit d95daf5acc ]

When perf_add_probe_events() we call cleanup_perf_probe_events() for the
pev pointer it receives, then, as part of handling this failure the main
'perf probe' goes on and calls cleanup_params() and that will again call
cleanup_perf_probe_events()for the same pointer, so just set nevents to
zero when handling the failure of perf_add_probe_events() to avoid the
double free.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-x8qgma4g813z96dvtw9w219q@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-16 10:12:48 +02:00
Jiri Olsa
101a155436 perf tools: Fix proper buffer size for feature processing
[ Upstream commit 79b2fe5e75 ]

After Song Liu's segfault fix for pipe mode, Arnaldo reported following
error:

  # perf record -o - | perf script
  0x514 [0x1ac]: failed to process type: 80

It's caused by wrong buffer size setup in feature processing, which
makes cpu topology feature fail, because it's using buffer size to
recognize its header version.

Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Carrillo-Cisneros <davidcc@google.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Fixes: e9def1b2e7 ("perf tools: Add feature header record to pipe-mode")
Link: http://lkml.kernel.org/r/20190715140426.32509-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-16 10:12:47 +02:00
Thomas Richter
0a9e41e276 perf record: Fix module size on s390
commit 12a6d2940b upstream.

On s390 the modules loaded in memory have the text segment located after
the GOT and Relocation table. This can be seen with this output:

  [root@m35lp76 perf]# fgrep qeth /proc/modules
  qeth 151552 1 qeth_l2, Live 0x000003ff800b2000
  ...
  [root@m35lp76 perf]# cat /sys/module/qeth/sections/.text
  0x000003ff800b3990
  [root@m35lp76 perf]#

There is an offset of 0x1990 bytes. The size of the qeth module is
151552 bytes (0x25000 in hex).

The location of the GOT/relocation table at the beginning of a module is
unique to s390.

commit 203d8a4aa6 ("perf s390: Fix 'start' address of module's map")
adjusts the start address of a module in the map structures, but does
not adjust the size of the modules. This leads to overlapping of module
maps as this example shows:

[root@m35lp76 perf] # ./perf report -D
     0 0 0xfb0 [0xa0]: PERF_RECORD_MMAP -1/0: [0x3ff800b3990(0x25000)
          @ 0]:  x /lib/modules/.../qeth.ko.xz
     0 0 0x1050 [0xb0]: PERF_RECORD_MMAP -1/0: [0x3ff800d85a0(0x8000)
          @ 0]:  x /lib/modules/.../ip6_tables.ko.xz

The module qeth.ko has an adjusted start address modified to b3990, but
its size is unchanged and the module ends at 0x3ff800d8990.  This end
address overlaps with the next modules start address of 0x3ff800d85a0.

When the size of the leading GOT/Relocation table stored in the
beginning of the text segment (0x1990 bytes) is subtracted from module
qeth end address, there are no overlaps anymore:

   0x3ff800d8990 - 0x1990 = 0x0x3ff800d7000

which is the same as

   0x3ff800b2000 + 0x25000 = 0x0x3ff800d7000.

To fix this issue, also adjust the modules size in function
arch__fix_module_text_start(). Add another function parameter named size
and reduce the size of the module when the text segment start address is
changed.

Output after:
     0 0 0xfb0 [0xa0]: PERF_RECORD_MMAP -1/0: [0x3ff800b3990(0x23670)
          @ 0]:  x /lib/modules/.../qeth.ko.xz
     0 0 0x1050 [0xb0]: PERF_RECORD_MMAP -1/0: [0x3ff800d85a0(0x7a60)
          @ 0]:  x /lib/modules/.../ip6_tables.ko.xz

Reported-by: Stefan Liebler <stli@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: stable@vger.kernel.org
Fixes: 203d8a4aa6 ("perf s390: Fix 'start' address of module's map")
Link: http://lkml.kernel.org/r/20190724122703.3996-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-16 10:12:41 +02:00
Adrian Hunter
f1f6628943 perf db-export: Fix thread__exec_comm()
commit 3de7ae0b2a upstream.

Threads synthesized from /proc have comms with a start time of zero, and
not marked as "exec". Currently, there can be 2 such comms. The first is
created by processing a synthesized fork event and is set to the
parent's comm string, and the second by processing a synthesized comm
event set to the thread's current comm string.

In the absence of an "exec" comm, thread__exec_comm() picks the last
(oldest) comm, which, in the case above, is the parent's comm string.
For a main thread, that is very probably wrong. Use the second-to-last
in that case.

This affects only db-export because it is the only user of
thread__exec_comm().

Example:

  $ sudo perf record -a -o pt-a-sleep-1 -e intel_pt//u -- sleep 1
  $ sudo chown ahunter pt-a-sleep-1

Before:

  $ perf script -i pt-a-sleep-1 --itrace=bep -s tools/perf/scripts/python/export-to-sqlite.py pt-a-sleep-1.db branches calls
  $ sqlite3 -header -column pt-a-sleep-1.db 'select * from comm_threads_view'
  comm_id     command     thread_id   pid         tid
  ----------  ----------  ----------  ----------  ----------
  1           swapper     1           0           0
  2           rcu_sched   2           10          10
  3           kthreadd    3           78          78
  5           sudo        4           15180       15180
  5           sudo        5           15180       15182
  7           kworker/4:  6           10335       10335
  8           kthreadd    7           55          55
  10          systemd     8           865         865
  10          systemd     9           865         875
  13          perf        10          15181       15181
  15          sleep       10          15181       15181
  16          kworker/3:  11          14179       14179
  17          kthreadd    12          29376       29376
  19          systemd     13          746         746
  21          systemd     14          401         401
  23          systemd     15          879         879
  23          systemd     16          879         945
  25          kthreadd    17          556         556
  27          kworker/u1  18          14136       14136
  28          kworker/u1  19          15021       15021
  29          kthreadd    20          509         509
  31          systemd     21          836         836
  31          systemd     22          836         967
  33          systemd     23          1148        1148
  33          systemd     24          1148        1163
  35          kworker/2:  25          17988       17988
  36          kworker/0:  26          13478       13478

After:

  $ perf script -i pt-a-sleep-1 --itrace=bep -s tools/perf/scripts/python/export-to-sqlite.py pt-a-sleep-1b.db branches calls
  $ sqlite3 -header -column pt-a-sleep-1b.db 'select * from comm_threads_view'
  comm_id     command     thread_id   pid         tid
  ----------  ----------  ----------  ----------  ----------
  1           swapper     1           0           0
  2           rcu_sched   2           10          10
  3           kswapd0     3           78          78
  4           perf        4           15180       15180
  4           perf        5           15180       15182
  6           kworker/4:  6           10335       10335
  7           kcompactd0  7           55          55
  8           accounts-d  8           865         865
  8           accounts-d  9           865         875
  10          perf        10          15181       15181
  12          sleep       10          15181       15181
  13          kworker/3:  11          14179       14179
  14          kworker/1:  12          29376       29376
  15          haveged     13          746         746
  16          systemd-jo  14          401         401
  17          NetworkMan  15          879         879
  17          NetworkMan  16          879         945
  19          irq/131-iw  17          556         556
  20          kworker/u1  18          14136       14136
  21          kworker/u1  19          15021       15021
  22          kworker/u1  20          509         509
  23          thermald    21          836         836
  23          thermald    22          836         967
  25          unity-sett  23          1148        1148
  25          unity-sett  24          1148        1163
  27          kworker/2:  25          17988       17988
  28          kworker/0:  26          13478       13478

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 65de51f93e ("perf tools: Identify which comms are from exec")
Link: http://lkml.kernel.org/r/20190808064823.14846-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-16 10:12:41 +02:00
Thomas Richter
532db2b975 perf annotate: Fix s390 gap between kernel end and module start
commit b9c0a64901 upstream.

During execution of command 'perf top' the error message:

   Not enough memory for annotating '__irf_end' symbol!)

is emitted from this call sequence:
  __cmd_top
    perf_top__mmap_read
      perf_top__mmap_read_idx
        perf_event__process_sample
          hist_entry_iter__add
            hist_iter__top_callback
              perf_top__record_precise_ip
                hist_entry__inc_addr_samples
                  symbol__inc_addr_samples
                    symbol__get_annotation
                      symbol__alloc_hist

In this function the size of symbol __irf_end is calculated. The size of
a symbol is the difference between its start and end address.

When the symbol was read the first time, its start and end was set to:

   symbol__new: __irf_end 0xe954d0-0xe954d0

which is correct and maps with /proc/kallsyms:

   root@s8360046:~/linux-4.15.0/tools/perf# fgrep _irf_end /proc/kallsyms
   0000000000e954d0 t __irf_end
   root@s8360046:~/linux-4.15.0/tools/perf#

In function symbol__alloc_hist() the end of symbol __irf_end is

  symbol__alloc_hist sym:__irf_end start:0xe954d0 end:0x3ff80045a8

which is identical with the first module entry in /proc/kallsyms

This results in a symbol size of __irf_req for histogram analyses of
70334140059072 bytes and a malloc() for this requested size fails.

The root cause of this is function
  __dso__load_kallsyms()
  +-> symbols__fixup_end()

Function symbols__fixup_end() enlarges the last symbol in the kallsyms
map:

   # fgrep __irf_end /proc/kallsyms
   0000000000e954d0 t __irf_end
   #

to the start address of the first module:
   # cat /proc/kallsyms | sort  | egrep ' [tT] '
   ....
   0000000000e952d0 T __security_initcall_end
   0000000000e954d0 T __initramfs_size
   0000000000e954d0 t __irf_end
   000003ff800045a8 T fc_get_event_number       [scsi_transport_fc]
   000003ff800045d0 t store_fc_vport_disable    [scsi_transport_fc]
   000003ff800046a8 T scsi_is_fc_rport  [scsi_transport_fc]
   000003ff800046d0 t fc_target_setup   [scsi_transport_fc]

On s390 the kernel is located around memory address 0x200, 0x10000 or
0x100000, depending on linux version. Modules however start some- where
around 0x3ff xxxx xxxx.

This is different than x86 and produces a large gap for which histogram
allocation fails.

Fix this by detecting the kernel's last symbol and do no adjustment for
it. Introduce a weak function and handle s390 specifics.

Reported-by: Klaus Theurich <klaus.theurich@de.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20190724122703.3996-2-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-16 10:12:41 +02:00
Greg Kroah-Hartman
de4c70d6a9 This is the 4.19.65 stable release
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Merge 4.19.65 into android-4.19

Changes in 4.19.65
	ARM: riscpc: fix DMA
	ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200
	ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again
	ARM: dts: rockchip: Mark that the rk3288 timer might stop in suspend
	ftrace: Enable trampoline when rec count returns back to one
	dmaengine: tegra-apb: Error out if DMA_PREP_INTERRUPT flag is unset
	arm64: dts: rockchip: fix isp iommu clocks and power domain
	kernel/module.c: Only return -EEXIST for modules that have finished loading
	firmware/psci: psci_checker: Park kthreads before stopping them
	MIPS: lantiq: Fix bitfield masking
	dmaengine: rcar-dmac: Reject zero-length slave DMA requests
	clk: tegra210: fix PLLU and PLLU_OUT1
	fs/adfs: super: fix use-after-free bug
	clk: sprd: Add check for return value of sprd_clk_regmap_init()
	btrfs: fix minimum number of chunk errors for DUP
	btrfs: qgroup: Don't hold qgroup_ioctl_lock in btrfs_qgroup_inherit()
	cifs: Fix a race condition with cifs_echo_request
	ceph: fix improper use of smp_mb__before_atomic()
	ceph: return -ERANGE if virtual xattr value didn't fit in buffer
	ACPI: blacklist: fix clang warning for unused DMI table
	scsi: zfcp: fix GCC compiler warning emitted with -Wmaybe-uninitialized
	perf version: Fix segfault due to missing OPT_END()
	x86: kvm: avoid constant-conversion warning
	ACPI: fix false-positive -Wuninitialized warning
	be2net: Signal that the device cannot transmit during reconfiguration
	x86/apic: Silence -Wtype-limits compiler warnings
	x86: math-emu: Hide clang warnings for 16-bit overflow
	mm/cma.c: fail if fixed declaration can't be honored
	lib/test_overflow.c: avoid tainting the kernel and fix wrap size
	lib/test_string.c: avoid masking memset16/32/64 failures
	coda: add error handling for fget
	coda: fix build using bare-metal toolchain
	uapi linux/coda_psdev.h: move upc_req definition from uapi to kernel side headers
	drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings
	ipc/mqueue.c: only perform resource calculation if user valid
	mlxsw: spectrum_dcb: Configure DSCP map as the last rule is removed
	xen/pv: Fix a boot up hang revealed by int3 self test
	x86/kvm: Don't call kvm_spurious_fault() from .fixup
	x86/paravirt: Fix callee-saved function ELF sizes
	x86, boot: Remove multiple copy of static function sanitize_boot_params()
	drm/nouveau: fix memory leak in nouveau_conn_reset()
	kconfig: Clear "written" flag to avoid data loss
	kbuild: initialize CLANG_FLAGS correctly in the top Makefile
	Btrfs: fix incremental send failure after deduplication
	Btrfs: fix race leading to fs corruption after transaction abort
	mmc: dw_mmc: Fix occasional hang after tuning on eMMC
	mmc: meson-mx-sdio: Fix misuse of GENMASK macro
	gpiolib: fix incorrect IRQ requesting of an active-low lineevent
	IB/hfi1: Fix Spectre v1 vulnerability
	mtd: rawnand: micron: handle on-die "ECC-off" devices correctly
	selinux: fix memory leak in policydb_init()
	ALSA: hda: Fix 1-minute detection delay when i915 module is not available
	mm: vmscan: check if mem cgroup is disabled or not before calling memcg slab shrinker
	s390/dasd: fix endless loop after read unit address configuration
	cgroup: kselftest: relax fs_spec checks
	parisc: Fix build of compressed kernel even with debug enabled
	drivers/perf: arm_pmu: Fix failure path in PM notifier
	arm64: compat: Allow single-byte watchpoints on all addresses
	arm64: cpufeature: Fix feature comparison for CTR_EL0.{CWG,ERG}
	nbd: replace kill_bdev() with __invalidate_device() again
	xen/swiotlb: fix condition for calling xen_destroy_contiguous_region()
	IB/mlx5: Fix unreg_umr to ignore the mkey state
	IB/mlx5: Use direct mkey destroy command upon UMR unreg failure
	IB/mlx5: Move MRs to a kernel PD when freeing them to the MR cache
	IB/mlx5: Fix clean_mr() to work in the expected order
	IB/mlx5: Fix RSS Toeplitz setup to be aligned with the HW specification
	IB/hfi1: Check for error on call to alloc_rsm_map_table
	drm/i915/gvt: fix incorrect cache entry for guest page mapping
	eeprom: at24: make spd world-readable again
	ARC: enable uboot support unconditionally
	objtool: Support GCC 9 cold subfunction naming scheme
	gcc-9: properly declare the {pv,hv}clock_page storage
	x86/vdso: Prevent segfaults due to hoisted vclock reads
	scsi: mpt3sas: Use 63-bit DMA addressing on SAS35 HBA
	x86/cpufeatures: Carve out CQM features retrieval
	x86/cpufeatures: Combine word 11 and 12 into a new scattered features word
	x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations
	x86/speculation: Enable Spectre v1 swapgs mitigations
	x86/entry/64: Use JMP instead of JMPQ
	x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS
	Documentation: Add swapgs description to the Spectre v1 documentation
	Linux 4.19.65

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Iceeabdb164657e0a616db618e6aa8445d56b0dc1
2019-08-06 20:08:18 +02:00
Josh Poimboeuf
354887ae31 objtool: Support GCC 9 cold subfunction naming scheme
commit bcb6fb5da7 upstream.

Starting with GCC 8, a lot of unlikely code was moved out of line to
"cold" subfunctions in .text.unlikely.

For example, the unlikely bits of:

  irq_do_set_affinity()

are moved out to the following subfunction:

  irq_do_set_affinity.cold.49()

Starting with GCC 9, the numbered suffix has been removed.  So in the
above example, the cold subfunction is instead:

  irq_do_set_affinity.cold()

Tweak the objtool subfunction detection logic so that it detects both
GCC 8 and GCC 9 naming schemes.

Reported-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/015e9544b1f188d36a7f02fa31e9e95629aa5f50.1541040800.git.jpoimboe@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-06 19:06:57 +02:00
Chris Down
001f93d95d cgroup: kselftest: relax fs_spec checks
commit b59b1baab7 upstream.

On my laptop most memcg kselftests were being skipped because it claimed
cgroup v2 hierarchy wasn't mounted, but this isn't correct.  Instead, it
seems current systemd HEAD mounts it with the name "cgroup2" instead of
"cgroup":

    % grep cgroup /proc/mounts
    cgroup2 /sys/fs/cgroup cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0

I can't think of a reason to need to check fs_spec explicitly
since it's arbitrary, so we can just rely on fs_vfstype.

After these changes, `make TARGETS=cgroup kselftest` actually runs the
cgroup v2 tests in more cases.

Link: http://lkml.kernel.org/r/20190723210737.GA487@chrisdown.name
Signed-off-by: Chris Down <chris@chrisdown.name>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Roman Gushchin <guro@fb.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-06 19:06:55 +02:00
Ravi Bangoria
d60e8c0cbc perf version: Fix segfault due to missing OPT_END()
[ Upstream commit 916c31fff9 ]

'perf version' on powerpc segfaults when used with non-supported
option:
  # perf version -a
  Segmentation fault (core dumped)

Fix this.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Tested-by: Mamatha Inamdar <mamatha4@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20190611030109.20228-1-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-06 19:06:50 +02:00
Greg Kroah-Hartman
75ff56e1a2 This is the 4.19.63 stable release
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Merge 4.19.63 into android-4.19

Changes in 4.19.63
	hvsock: fix epollout hang from race condition
	drm/panel: simple: Fix panel_simple_dsi_probe
	iio: adc: stm32-dfsdm: manage the get_irq error case
	iio: adc: stm32-dfsdm: missing error case during probe
	staging: vt6656: use meaningful error code during buffer allocation
	usb: core: hub: Disable hub-initiated U1/U2
	tty: max310x: Fix invalid baudrate divisors calculator
	pinctrl: rockchip: fix leaked of_node references
	tty: serial: cpm_uart - fix init when SMC is relocated
	drm/amd/display: Fill prescale_params->scale for RGB565
	drm/amdgpu/sriov: Need to initialize the HDP_NONSURFACE_BAStE
	drm/amd/display: Disable ABM before destroy ABM struct
	drm/amdkfd: Fix a potential memory leak
	drm/amdkfd: Fix sdma queue map issue
	drm/edid: Fix a missing-check bug in drm_load_edid_firmware()
	PCI: Return error if cannot probe VF
	drm/bridge: tc358767: read display_props in get_modes()
	drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz
	gpu: host1x: Increase maximum DMA segment size
	drm/crc-debugfs: User irqsafe spinlock in drm_crtc_add_crc_entry
	drm/crc-debugfs: Also sprinkle irqrestore over early exits
	memstick: Fix error cleanup path of memstick_init
	tty/serial: digicolor: Fix digicolor-usart already registered warning
	tty: serial: msm_serial: avoid system lockup condition
	serial: 8250: Fix TX interrupt handling condition
	drm/amd/display: Always allocate initial connector state state
	drm/virtio: Add memory barriers for capset cache.
	phy: renesas: rcar-gen2: Fix memory leak at error paths
	drm/amd/display: fix compilation error
	powerpc/pseries/mobility: prevent cpu hotplug during DT update
	drm/rockchip: Properly adjust to a true clock in adjusted_mode
	serial: imx: fix locking in set_termios()
	tty: serial_core: Set port active bit in uart_port_activate
	usb: gadget: Zero ffs_io_data
	mmc: sdhci: sdhci-pci-o2micro: Check if controller supports 8-bit width
	powerpc/pci/of: Fix OF flags parsing for 64bit BARs
	drm/msm: Depopulate platform on probe failure
	serial: mctrl_gpio: Check if GPIO property exisits before requesting it
	PCI: sysfs: Ignore lockdep for remove attribute
	i2c: stm32f7: fix the get_irq error cases
	kbuild: Add -Werror=unknown-warning-option to CLANG_FLAGS
	genksyms: Teach parser about 128-bit built-in types
	PCI: xilinx-nwl: Fix Multi MSI data programming
	iio: iio-utils: Fix possible incorrect mask calculation
	powerpc/cacheflush: fix variable set but not used
	powerpc/xmon: Fix disabling tracing while in xmon
	recordmcount: Fix spurious mcount entries on powerpc
	mfd: madera: Add missing of table registration
	mfd: core: Set fwnode for created devices
	mfd: arizona: Fix undefined behavior
	mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
	mm/swap: fix release_pages() when releasing devmap pages
	um: Silence lockdep complaint about mmap_sem
	powerpc/4xx/uic: clear pending interrupt after irq type/pol change
	RDMA/i40iw: Set queue pair state when being queried
	serial: sh-sci: Terminate TX DMA during buffer flushing
	serial: sh-sci: Fix TX DMA buffer flushing and workqueue races
	IB/mlx5: Fixed reporting counters on 2nd port for Dual port RoCE
	powerpc/mm: Handle page table allocation failures
	IB/ipoib: Add child to parent list only if device initialized
	arm64: assembler: Switch ESB-instruction with a vanilla nop if !ARM64_HAS_RAS
	PCI: mobiveil: Fix PCI base address in MEM/IO outbound windows
	PCI: mobiveil: Fix the Class Code field
	kallsyms: exclude kasan local symbols on s390
	PCI: mobiveil: Initialize Primary/Secondary/Subordinate bus numbers
	PCI: mobiveil: Use the 1st inbound window for MEM inbound transactions
	perf test mmap-thread-lookup: Initialize variable to suppress memory sanitizer warning
	perf stat: Fix use-after-freed pointer detected by the smatch tool
	perf top: Fix potential NULL pointer dereference detected by the smatch tool
	perf session: Fix potential NULL pointer dereference found by the smatch tool
	perf annotate: Fix dereferencing freed memory found by the smatch tool
	perf hists browser: Fix potential NULL pointer dereference found by the smatch tool
	RDMA/rxe: Fill in wc byte_len with IB_WC_RECV_RDMA_WITH_IMM
	PCI: dwc: pci-dra7xx: Fix compilation when !CONFIG_GPIOLIB
	powerpc/boot: add {get, put}_unaligned_be32 to xz_config.h
	block: init flush rq ref count to 1
	f2fs: avoid out-of-range memory access
	mailbox: handle failed named mailbox channel request
	dlm: check if workqueues are NULL before flushing/destroying
	powerpc/eeh: Handle hugepages in ioremap space
	block/bio-integrity: fix a memory leak bug
	sh: prevent warnings when using iounmap
	mm/kmemleak.c: fix check for softirq context
	9p: pass the correct prototype to read_cache_page
	mm/gup.c: mark undo_dev_pagemap as __maybe_unused
	mm/gup.c: remove some BUG_ONs from get_gate_page()
	memcg, fsnotify: no oom-kill for remote memcg charging
	mm/mmu_notifier: use hlist_add_head_rcu()
	proc: use down_read_killable mmap_sem for /proc/pid/smaps_rollup
	proc: use down_read_killable mmap_sem for /proc/pid/pagemap
	proc: use down_read_killable mmap_sem for /proc/pid/clear_refs
	proc: use down_read_killable mmap_sem for /proc/pid/map_files
	cxgb4: reduce kernel stack usage in cudbg_collect_mem_region()
	proc: use down_read_killable mmap_sem for /proc/pid/maps
	locking/lockdep: Fix lock used or unused stats error
	mm: use down_read_killable for locking mmap_sem in access_remote_vm
	locking/lockdep: Hide unused 'class' variable
	usb: wusbcore: fix unbalanced get/put cluster_id
	usb: pci-quirks: Correct AMD PLL quirk detection
	btrfs: inode: Don't compress if NODATASUM or NODATACOW set
	x86/sysfb_efi: Add quirks for some devices with swapped width and height
	x86/speculation/mds: Apply more accurate check on hypervisor platform
	binder: prevent transactions to context manager from its own process.
	fpga-manager: altera-ps-spi: Fix build error
	mei: me: add mule creek canyon (EHL) device ids
	hpet: Fix division by zero in hpet_time_div()
	ALSA: ac97: Fix double free of ac97_codec_device
	ALSA: line6: Fix wrong altsetting for LINE6_PODHD500_1
	ALSA: hda - Add a conexant codec entry to let mute led work
	powerpc/xive: Fix loop exit-condition in xive_find_target_in_mask()
	powerpc/tm: Fix oops on sigreturn on systems without TM
	libnvdimm/bus: Stop holding nvdimm_bus_list_mutex over __nd_ioctl()
	access: avoid the RCU grace period for the temporary subjective credentials
	Linux 4.19.63

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ic31529aa6fd283d16d6bfb182187a9402a4db44f
2019-07-31 08:03:42 +02:00
Leo Yan
4fe7ea29e4 perf hists browser: Fix potential NULL pointer dereference found by the smatch tool
[ Upstream commit ceb75476db ]

Based on the following report from Smatch, fix the potential
NULL pointer dereference check.

  tools/perf/ui/browsers/hists.c:641
  hist_browser__run() error: we previously assumed 'hbt' could be
  null (see line 625)

  tools/perf/ui/browsers/hists.c:3088
  perf_evsel__hists_browse() error: we previously assumed
  'browser->he_selection' could be null (see line 2902)

  tools/perf/ui/browsers/hists.c:3272
  perf_evsel_menu__run() error: we previously assumed 'hbt' could be
  null (see line 3260)

This patch firstly validating the pointers before access them, so can
fix potential NULL pointer dereference.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190708143937.7722-2-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-31 07:27:06 +02:00
Leo Yan
915945f3bd perf annotate: Fix dereferencing freed memory found by the smatch tool
[ Upstream commit 600c787dbf ]

Based on the following report from Smatch, fix the potential
dereferencing freed memory check.

  tools/perf/util/annotate.c:1125
  disasm_line__parse() error: dereferencing freed memory 'namep'

  tools/perf/util/annotate.c
  1100 static int disasm_line__parse(char *line, const char **namep, char **rawp)
  1101 {
  1102         char tmp, *name = ltrim(line);

  [...]

  1114         *namep = strdup(name);
  1115
  1116         if (*namep == NULL)
  1117                 goto out_free_name;

  [...]

  1124 out_free_name:
  1125         free((void *)namep);
                            ^^^^^
  1126         *namep = NULL;
               ^^^^^^
  1127         return -1;
  1128 }

If strdup() fails to allocate memory space for *namep, we don't need to
free memory with pointer 'namep', which is resident in data structure
disasm_line::ins::name; and *namep is NULL pointer for this failure, so
it's pointless to assign NULL to *namep again.

Committer note:

Freeing namep, which is the address of the first entry of the 'struct
ins' that is the first member of struct disasm_line would in fact free
that disasm_line instance, if it was allocated via malloc/calloc, which,
later, would a dereference of freed memory.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Eric Saint-Etienne <eric.saint.etienne@oracle.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Song Liu <songliubraving@fb.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190702103420.27540-5-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-31 07:27:06 +02:00
Leo Yan
b305dcff15 perf session: Fix potential NULL pointer dereference found by the smatch tool
[ Upstream commit f3c8d90757 ]

Based on the following report from Smatch, fix the potential
NULL pointer dereference check.

  tools/perf/util/session.c:1252
  dump_read() error: we previously assumed 'evsel' could be null
  (see line 1249)

  tools/perf/util/session.c
  1240 static void dump_read(struct perf_evsel *evsel, union perf_event *event)
  1241 {
  1242         struct read_event *read_event = &event->read;
  1243         u64 read_format;
  1244
  1245         if (!dump_trace)
  1246                 return;
  1247
  1248         printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
  1249                evsel ? perf_evsel__name(evsel) : "FAIL",
  1250                event->read.value);
  1251
  1252         read_format = evsel->attr.read_format;
                             ^^^^^^^

'evsel' could be NULL pointer, for this case this patch directly bails
out without dumping read_event.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Eric Saint-Etienne <eric.saint.etienne@oracle.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Song Liu <songliubraving@fb.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190702103420.27540-9-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-31 07:27:06 +02:00
Leo Yan
19cf571c64 perf top: Fix potential NULL pointer dereference detected by the smatch tool
[ Upstream commit 111442cfc8 ]

Based on the following report from Smatch, fix the potential NULL
pointer dereference check.

  tools/perf/builtin-top.c:109
  perf_top__parse_source() warn: variable dereferenced before check 'he'
  (see line 103)

  tools/perf/builtin-top.c:233
  perf_top__show_details() warn: variable dereferenced before check 'he'
  (see line 228)

  tools/perf/builtin-top.c
  101 static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
  102 {
  103         struct perf_evsel *evsel = hists_to_evsel(he->hists);
                                                        ^^^^
  104         struct symbol *sym;
  105         struct annotation *notes;
  106         struct map *map;
  107         int err = -1;
  108
  109         if (!he || !he->ms.sym)
  110                 return -1;

This patch moves the values assignment after validating pointer 'he'.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Eric Saint-Etienne <eric.saint.etienne@oracle.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Song Liu <songliubraving@fb.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190702103420.27540-4-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-31 07:27:06 +02:00
Leo Yan
995527db41 perf stat: Fix use-after-freed pointer detected by the smatch tool
[ Upstream commit c74b05030e ]

Based on the following report from Smatch, fix the use-after-freed
pointer.

  tools/perf/builtin-stat.c:1353
  add_default_attributes() warn: passing freed memory 'str'.

The pointer 'str' has been freed but later it is still passed into the
function parse_events_print_error().  This patch fixes this
use-after-freed issue.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Saint-Etienne <eric.saint.etienne@oracle.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Song Liu <songliubraving@fb.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: http://lkml.kernel.org/r/20190702103420.27540-3-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-31 07:27:06 +02:00
Numfor Mbiziwo-Tiapo
3b8c4eae55 perf test mmap-thread-lookup: Initialize variable to suppress memory sanitizer warning
[ Upstream commit 4e4cf62b37 ]

Running the 'perf test' command after building perf with a memory
sanitizer causes a warning that says:

  WARNING: MemorySanitizer: use-of-uninitialized-value... in mmap-thread-lookup.c

Initializing the go variable to 0 silences this harmless warning.

Committer warning:

This was harmless, just a simple test writing whatever was at that
sizeof(int) memory area just to signal another thread blocked reading
that file created with pipe(). Initialize it tho so that we don't get
this warning.

Signed-off-by: Numfor Mbiziwo-Tiapo <nums@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Drayton <mbd@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20190702173716.181223-1-nums@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-31 07:27:06 +02:00
Bastien Nocera
b150423e0d iio: iio-utils: Fix possible incorrect mask calculation
[ Upstream commit 208a68c839 ]

On some machines, iio-sensor-proxy was returning all 0's for IIO sensor
values. It turns out that the bits_used for this sensor is 32, which makes
the mask calculation:

*mask = (1 << 32) - 1;

If the compiler interprets the 1 literals as 32-bit ints, it generates
undefined behavior depending on compiler version and optimization level.
On my system, it optimizes out the shift, so the mask value becomes

*mask = (1) - 1;

With a mask value of 0, iio-sensor-proxy will always return 0 for every axis.

Avoid incorrect 0 values caused by compiler optimization.

See original fix by Brett Dutro <brett.dutro@gmail.com> in
iio-sensor-proxy:
9615ceac7c

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-31 07:27:02 +02:00
Greg Kroah-Hartman
71ce27c31a This is the 4.19.61 stable release
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Merge 4.19.61 into android-4.19

Changes in 4.19.61
	MIPS: ath79: fix ar933x uart parity mode
	MIPS: fix build on non-linux hosts
	arm64/efi: Mark __efistub_stext_offset as an absolute symbol explicitly
	scsi: iscsi: set auth_protocol back to NULL if CHAP_A value is not supported
	dmaengine: imx-sdma: fix use-after-free on probe error path
	wil6210: fix potential out-of-bounds read
	ath10k: Do not send probe response template for mesh
	ath9k: Check for errors when reading SREV register
	ath6kl: add some bounds checking
	ath10k: add peer id check in ath10k_peer_find_by_id
	wil6210: fix spurious interrupts in 3-msi
	ath: DFS JP domain W56 fixed pulse type 3 RADAR detection
	regmap: debugfs: Fix memory leak in regmap_debugfs_init
	batman-adv: fix for leaked TVLV handler.
	media: dvb: usb: fix use after free in dvb_usb_device_exit
	media: spi: IR LED: add missing of table registration
	crypto: talitos - fix skcipher failure due to wrong output IV
	media: ov7740: avoid invalid framesize setting
	media: marvell-ccic: fix DMA s/g desc number calculation
	media: vpss: fix a potential NULL pointer dereference
	media: media_device_enum_links32: clean a reserved field
	net: stmmac: dwmac1000: Clear unused address entries
	net: stmmac: dwmac4/5: Clear unused address entries
	qed: Set the doorbell address correctly
	signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
	af_key: fix leaks in key_pol_get_resp and dump_sp.
	xfrm: Fix xfrm sel prefix length validation
	fscrypt: clean up some BUG_ON()s in block encryption/decryption
	perf annotate TUI browser: Do not use member from variable within its own initialization
	media: mc-device.c: don't memset __user pointer contents
	media: saa7164: fix remove_proc_entry warning
	media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.
	net: phy: Check against net_device being NULL
	crypto: talitos - properly handle split ICV.
	crypto: talitos - Align SEC1 accesses to 32 bits boundaries.
	tua6100: Avoid build warnings.
	batman-adv: Fix duplicated OGMs on NETDEV_UP
	locking/lockdep: Fix merging of hlocks with non-zero references
	media: wl128x: Fix some error handling in fm_v4l2_init_video_device()
	net: hns3: set ops to null when unregister ad_dev
	cpupower : frequency-set -r option misses the last cpu in related cpu list
	arm64: mm: make CONFIG_ZONE_DMA32 configurable
	perf jvmti: Address gcc string overflow warning for strncpy()
	net: stmmac: dwmac4: fix flow control issue
	net: stmmac: modify default value of tx-frames
	crypto: inside-secure - do not rely on the hardware last bit for result descriptors
	net: fec: Do not use netdev messages too early
	net: axienet: Fix race condition causing TX hang
	s390/qdio: handle PENDING state for QEBSM devices
	RAS/CEC: Fix pfn insertion
	net: sfp: add mutex to prevent concurrent state checks
	ipset: Fix memory accounting for hash types on resize
	perf cs-etm: Properly set the value of 'old' and 'head' in snapshot mode
	perf test 6: Fix missing kvm module load for s390
	perf report: Fix OOM error in TUI mode on s390
	irqchip/meson-gpio: Add support for Meson-G12A SoC
	media: uvcvideo: Fix access to uninitialized fields on probe error
	media: fdp1: Support M3N and E3 platforms
	iommu: Fix a leak in iommu_insert_resv_region
	gpio: omap: fix lack of irqstatus_raw0 for OMAP4
	gpio: omap: ensure irq is enabled before wakeup
	regmap: fix bulk writes on paged registers
	bpf: silence warning messages in core
	media: s5p-mfc: fix reading min scratch buffer size on MFC v6/v7
	selinux: fix empty write to keycreate file
	x86/cpu: Add Ice Lake NNPI to Intel family
	ASoC: meson: axg-tdm: fix sample clock inversion
	rcu: Force inlining of rcu_read_lock()
	x86/cpufeatures: Add FDP_EXCPTN_ONLY and ZERO_FCS_FDS
	qed: iWARP - Fix tc for MPA ll2 connection
	net: hns3: fix for skb leak when doing selftest
	block: null_blk: fix race condition for null_del_dev
	blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration
	xfrm: fix sa selector validation
	sched/core: Add __sched tag for io_schedule()
	sched/fair: Fix "runnable_avg_yN_inv" not used warnings
	perf/x86/intel/uncore: Handle invalid event coding for free-running counter
	x86/atomic: Fix smp_mb__{before,after}_atomic()
	perf evsel: Make perf_evsel__name() accept a NULL argument
	vhost_net: disable zerocopy by default
	ipoib: correcly show a VF hardware address
	x86/cacheinfo: Fix a -Wtype-limits warning
	blk-iolatency: only account submitted bios
	ACPICA: Clear status of GPEs on first direct enable
	EDAC/sysfs: Fix memory leak when creating a csrow object
	nvme: fix possible io failures when removing multipathed ns
	nvme-pci: properly report state change failure in nvme_reset_work
	nvme-pci: set the errno on ctrl state change error
	lightnvm: pblk: fix freeing of merged pages
	arm64: Do not enable IRQs for ct_user_exit
	ipsec: select crypto ciphers for xfrm_algo
	ipvs: defer hook registration to avoid leaks
	media: s5p-mfc: Make additional clocks optional
	media: i2c: fix warning same module names
	ntp: Limit TAI-UTC offset
	timer_list: Guard procfs specific code
	acpi/arm64: ignore 5.1 FADTs that are reported as 5.0
	media: coda: fix mpeg2 sequence number handling
	media: coda: fix last buffer handling in V4L2_ENC_CMD_STOP
	media: coda: increment sequence offset for the last returned frame
	media: vimc: cap: check v4l2_fill_pixfmt return value
	media: hdpvr: fix locking and a missing msleep
	net: stmmac: sun8i: force select external PHY when no internal one
	rtlwifi: rtl8192cu: fix error handle when usb probe failed
	mt7601u: do not schedule rx_tasklet when the device has been disconnected
	x86/build: Add 'set -e' to mkcapflags.sh to delete broken capflags.c
	mt7601u: fix possible memory leak when the device is disconnected
	ipvs: fix tinfo memory leak in start_sync_thread
	ath10k: add missing error handling
	ath10k: fix PCIE device wake up failed
	perf tools: Increase MAX_NR_CPUS and MAX_CACHES
	ASoC: Intel: hdac_hdmi: Set ops to NULL on remove
	libata: don't request sense data on !ZAC ATA devices
	clocksource/drivers/exynos_mct: Increase priority over ARM arch timer
	xsk: Properly terminate assignment in xskq_produce_flush_desc
	rslib: Fix decoding of shortened codes
	rslib: Fix handling of of caller provided syndrome
	ixgbe: Check DDM existence in transceiver before access
	crypto: serpent - mark __serpent_setkey_sbox noinline
	crypto: asymmetric_keys - select CRYPTO_HASH where needed
	wil6210: drop old event after wmi_call timeout
	EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec
	bcache: check CACHE_SET_IO_DISABLE in allocator code
	bcache: check CACHE_SET_IO_DISABLE bit in bch_journal()
	bcache: acquire bch_register_lock later in cached_dev_free()
	bcache: check c->gc_thread by IS_ERR_OR_NULL in cache_set_flush()
	bcache: fix potential deadlock in cached_def_free()
	net: hns3: fix a -Wformat-nonliteral compile warning
	net: hns3: add some error checking in hclge_tm module
	ath10k: destroy sdio workqueue while remove sdio module
	net: mvpp2: prs: Don't override the sign bit in SRAM parser shift
	igb: clear out skb->tstamp after reading the txtime
	iwlwifi: mvm: Drop large non sta frames
	bpf: fix uapi bpf_prog_info fields alignment
	perf stat: Make metric event lookup more robust
	perf stat: Fix group lookup for metric group
	bnx2x: Prevent ptp_task to be rescheduled indefinitely
	net: usb: asix: init MAC address buffers
	rxrpc: Fix oops in tracepoint
	bpf, libbpf, smatch: Fix potential NULL pointer dereference
	selftests: bpf: fix inlines in test_lwt_seg6local
	bonding: validate ip header before check IPPROTO_IGMP
	gpiolib: Fix references to gpiod_[gs]et_*value_cansleep() variants
	tools: bpftool: Fix json dump crash on powerpc
	Bluetooth: hci_bcsp: Fix memory leak in rx_skb
	Bluetooth: Add new 13d3:3491 QCA_ROME device
	Bluetooth: Add new 13d3:3501 QCA_ROME device
	Bluetooth: 6lowpan: search for destination address in all peers
	perf tests: Fix record+probe_libc_inet_pton.sh for powerpc64
	Bluetooth: Check state in l2cap_disconnect_rsp
	gtp: add missing gtp_encap_disable_sock() in gtp_encap_enable()
	Bluetooth: validate BLE connection interval updates
	gtp: fix suspicious RCU usage
	gtp: fix Illegal context switch in RCU read-side critical section.
	gtp: fix use-after-free in gtp_encap_destroy()
	gtp: fix use-after-free in gtp_newlink()
	net: mvmdio: defer probe of orion-mdio if a clock is not ready
	iavf: fix dereference of null rx_buffer pointer
	floppy: fix div-by-zero in setup_format_params
	floppy: fix out-of-bounds read in next_valid_format
	floppy: fix invalid pointer dereference in drive_name
	floppy: fix out-of-bounds read in copy_buffer
	xen: let alloc_xenballooned_pages() fail if not enough memory free
	scsi: NCR5380: Reduce goto statements in NCR5380_select()
	scsi: NCR5380: Always re-enable reselection interrupt
	Revert "scsi: ncr5380: Increase register polling limit"
	scsi: core: Fix race on creating sense cache
	scsi: megaraid_sas: Fix calculation of target ID
	scsi: mac_scsi: Increase PIO/PDMA transfer length threshold
	scsi: mac_scsi: Fix pseudo DMA implementation, take 2
	crypto: ghash - fix unaligned memory access in ghash_setkey()
	crypto: ccp - Validate the the error value used to index error messages
	crypto: arm64/sha1-ce - correct digest for empty data in finup
	crypto: arm64/sha2-ce - correct digest for empty data in finup
	crypto: chacha20poly1305 - fix atomic sleep when using async algorithm
	crypto: crypto4xx - fix AES CTR blocksize value
	crypto: crypto4xx - fix blocksize for cfb and ofb
	crypto: crypto4xx - block ciphers should only accept complete blocks
	crypto: ccp - memset structure fields to zero before reuse
	crypto: ccp/gcm - use const time tag comparison.
	crypto: crypto4xx - fix a potential double free in ppc4xx_trng_probe
	Revert "bcache: set CACHE_SET_IO_DISABLE in bch_cached_dev_error()"
	bcache: Revert "bcache: fix high CPU occupancy during journal"
	bcache: Revert "bcache: free heap cache_set->flush_btree in bch_journal_free"
	bcache: ignore read-ahead request failure on backing device
	bcache: fix mistaken sysfs entry for io_error counter
	bcache: destroy dc->writeback_write_wq if failed to create dc->writeback_thread
	Input: gtco - bounds check collection indent level
	Input: alps - don't handle ALPS cs19 trackpoint-only device
	Input: synaptics - whitelist Lenovo T580 SMBus intertouch
	Input: alps - fix a mismatch between a condition check and its comment
	regulator: s2mps11: Fix buck7 and buck8 wrong voltages
	arm64: tegra: Update Jetson TX1 GPU regulator timings
	iwlwifi: pcie: don't service an interrupt that was masked
	iwlwifi: pcie: fix ALIVE interrupt handling for gen2 devices w/o MSI-X
	iwlwifi: don't WARN when calling iwl_get_shared_mem_conf with RF-Kill
	iwlwifi: fix RF-Kill interrupt while FW load for gen2 devices
	NFSv4: Handle the special Linux file open access mode
	pnfs/flexfiles: Fix PTR_ERR() dereferences in ff_layout_track_ds_error
	pNFS: Fix a typo in pnfs_update_layout
	pnfs: Fix a problem where we gratuitously start doing I/O through the MDS
	lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
	ASoC: dapm: Adapt for debugfs API change
	raid5-cache: Need to do start() part job after adding journal device
	ALSA: seq: Break too long mutex context in the write loop
	ALSA: hda/realtek - Fixed Headphone Mic can't record on Dell platform
	ALSA: hda/realtek: apply ALC891 headset fixup to one Dell machine
	media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
	media: coda: Remove unbalanced and unneeded mutex unlock
	media: videobuf2-core: Prevent size alignment wrapping buffer size to 0
	media: videobuf2-dma-sg: Prevent size from overflowing
	KVM: x86/vPMU: refine kvm_pmu err msg when event creation failed
	arm64: tegra: Fix AGIC register range
	fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.
	kconfig: fix missing choice values in auto.conf
	drm/nouveau/i2c: Enable i2c pads & busses during preinit
	padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
	dm zoned: fix zone state management race
	xen/events: fix binding user event channels to cpus
	9p/xen: Add cleanup path in p9_trans_xen_init
	9p/virtio: Add cleanup path in p9_virtio_init
	x86/boot: Fix memory leak in default_get_smp_config()
	perf/x86/intel: Fix spurious NMI on fixed counter
	perf/x86/amd/uncore: Do not set 'ThreadMask' and 'SliceMask' for non-L3 PMCs
	perf/x86/amd/uncore: Set the thread mask for F17h L3 PMCs
	drm/edid: parse CEA blocks embedded in DisplayID
	intel_th: pci: Add Ice Lake NNPI support
	PCI: hv: Fix a use-after-free bug in hv_eject_device_work()
	PCI: Do not poll for PME if the device is in D3cold
	PCI: qcom: Ensure that PERST is asserted for at least 100 ms
	Btrfs: fix data loss after inode eviction, renaming it, and fsync it
	Btrfs: fix fsync not persisting dentry deletions due to inode evictions
	Btrfs: add missing inode version, ctime and mtime updates when punching hole
	IB/mlx5: Report correctly tag matching rendezvous capability
	HID: wacom: generic: only switch the mode on devices with LEDs
	HID: wacom: generic: Correct pad syncing
	HID: wacom: correct touch resolution x/y typo
	libnvdimm/pfn: fix fsdax-mode namespace info-block zero-fields
	coda: pass the host file in vma->vm_file on mmap
	include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT architectures
	xfs: fix pagecache truncation prior to reflink
	xfs: flush removing page cache in xfs_reflink_remap_prep
	xfs: don't overflow xattr listent buffer
	xfs: rename m_inotbt_nores to m_finobt_nores
	xfs: don't ever put nlink > 0 inodes on the unlinked list
	xfs: reserve blocks for ifree transaction during log recovery
	xfs: fix reporting supported extra file attributes for statx()
	xfs: serialize unaligned dio writes against all other dio writes
	xfs: abort unaligned nowait directio early
	gpu: ipu-v3: ipu-ic: Fix saturation bit offset in TPMEM
	crypto: caam - limit output IV to CBC to work around CTR mode DMA issue
	parisc: Ensure userspace privilege for ptraced processes in regset functions
	parisc: Fix kernel panic due invalid values in IAOQ0 or IAOQ1
	powerpc/32s: fix suspend/resume when IBATs 4-7 are used
	powerpc/watchpoint: Restore NV GPRs while returning from exception
	powerpc/powernv/npu: Fix reference leak
	powerpc/pseries: Fix oops in hotplug memory notifier
	mmc: sdhci-msm: fix mutex while in spinlock
	eCryptfs: fix a couple type promotion bugs
	mtd: rawnand: mtk: Correct low level time calculation of r/w cycle
	mtd: spinand: read returns badly if the last page has bitflips
	intel_th: msu: Fix single mode with disabled IOMMU
	Bluetooth: Add SMP workaround Microsoft Surface Precision Mouse bug
	usb: Handle USB3 remote wakeup for LPM enabled devices correctly
	blk-throttle: fix zero wait time for iops throttled group
	blk-iolatency: clear use_delay when io.latency is set to zero
	blkcg: update blkcg_print_stat() to handle larger outputs
	net: mvmdio: allow up to four clocks to be specified for orion-mdio
	dt-bindings: allow up to four clocks for orion-mdio
	dm bufio: fix deadlock with loop device
	Linux 4.19.61

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2f565111b1c16f369fa86e0481527fcc6357fe1b
2019-07-26 10:31:53 +02:00
Seeteena Thoufeek
3b57b7a3a8 perf tests: Fix record+probe_libc_inet_pton.sh for powerpc64
[ Upstream commit bff5a556c1 ]

'probe libc's inet_pton & backtrace it with ping' testcase sometimes
fails on powerpc because distro ping binary does not have symbol
information and thus it prints "[unknown]" function name in the
backtrace.

Accept "[unknown]" as valid function name for powerpc as well.

 # perf test -v "probe libc's inet_pton & backtrace it with ping"

Before:

  59: probe libc's inet_pton & backtrace it with ping       :
  --- start ---
  test child forked, pid 79695
  ping 79718 [077] 96483.787025: probe_libc:inet_pton: (7fff83a754c8)
  7fff83a754c8 __GI___inet_pton+0x8 (/usr/lib64/power9/libc-2.28.so)
  7fff83a2b7a0 gaih_inet.constprop.7+0x1020
  (/usr/lib64/power9/libc-2.28.so)
  7fff83a2c170 getaddrinfo+0x160 (/usr/lib64/power9/libc-2.28.so)
  1171830f4 [unknown] (/usr/bin/ping)
  FAIL: expected backtrace entry
  ".*\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$"
  got "1171830f4 [unknown] (/usr/bin/ping)"
  test child finished with -1
  ---- end ----
  probe libc's inet_pton & backtrace it with ping: FAILED!

After:

  59: probe libc's inet_pton & backtrace it with ping       :
  --- start ---
  test child forked, pid 79085
  ping 79108 [045] 96400.214177: probe_libc:inet_pton: (7fffbb9654c8)
  7fffbb9654c8 __GI___inet_pton+0x8 (/usr/lib64/power9/libc-2.28.so)
  7fffbb91b7a0 gaih_inet.constprop.7+0x1020
  (/usr/lib64/power9/libc-2.28.so)
  7fffbb91c170 getaddrinfo+0x160 (/usr/lib64/power9/libc-2.28.so)
  132e830f4 [unknown] (/usr/bin/ping)
  test child finished with 0
  ---- end ----
  probe libc's inet_pton & backtrace it with ping: Ok

Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Reviewed-by: Kim Phillips <kim.phillips@amd.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hendrik Brueckner <brueckner@linux.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sandipan Das <sandipan@linux.ibm.com>
Fixes: 1632936480 ("perf tests: Fix record+probe_libc_inet_pton.sh without ping's debuginfo")
Link: http://lkml.kernel.org/r/1561630614-3216-1-git-send-email-s1seetee@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:16 +02:00
Jiri Olsa
9d47bd2175 tools: bpftool: Fix json dump crash on powerpc
[ Upstream commit aa52bcbe0e ]

Michael reported crash with by bpf program in json mode on powerpc:

  # bpftool prog -p dump jited id 14
  [{
        "name": "0xd00000000a9aa760",
        "insns": [{
                "pc": "0x0",
                "operation": "nop",
                "operands": [null
                ]
            },{
                "pc": "0x4",
                "operation": "nop",
                "operands": [null
                ]
            },{
                "pc": "0x8",
                "operation": "mflr",
  Segmentation fault (core dumped)

The code is assuming char pointers in format, which is not always
true at least for powerpc. Fixing this by dumping the whole string
into buffer based on its format.

Please note that libopcodes code does not check return values from
fprintf callback, but as per Jakub suggestion returning -1 on allocation
failure so we do the best effort to propagate the error.

Fixes: 107f041212 ("tools: bpftool: add JSON output for `bpftool prog dump jited *` command")
Reported-by: Michael Petlan <mpetlan@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:16 +02:00
Jiri Benc
88f751b066 selftests: bpf: fix inlines in test_lwt_seg6local
[ Upstream commit 11aca65ec4 ]

Selftests are reporting this failure in test_lwt_seg6local.sh:

+ ip netns exec ns2 ip -6 route add fb00::6 encap bpf in obj test_lwt_seg6local.o sec encap_srh dev veth2
Error fetching program/map!
Failed to parse eBPF program: Operation not permitted

The problem is __attribute__((always_inline)) alone is not enough to prevent
clang from inserting those functions in .text. In that case, .text is not
marked as relocateable.

See the output of objdump -h test_lwt_seg6local.o:

Idx Name          Size      VMA               LMA               File off  Algn
  0 .text         00003530  0000000000000000  0000000000000000  00000040  2**3
                  CONTENTS, ALLOC, LOAD, READONLY, CODE

This causes the iproute bpf loader to fail in bpf_fetch_prog_sec:
bpf_has_call_data returns true but bpf_fetch_prog_relo fails as there's no
relocateable .text section in the file.

To fix this, convert to 'static __always_inline'.

v2: Use 'static __always_inline' instead of 'static inline
    __attribute__((always_inline))'

Fixes: c99a84eac0 ("selftests/bpf: test for seg6local End.BPF action")
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:15 +02:00
Leo Yan
ef5b204336 bpf, libbpf, smatch: Fix potential NULL pointer dereference
[ Upstream commit 33bae185f7 ]

Based on the following report from Smatch, fix the potential NULL
pointer dereference check:

  tools/lib/bpf/libbpf.c:3493
  bpf_prog_load_xattr() warn: variable dereferenced before check 'attr'
  (see line 3483)

  3479 int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
  3480                         struct bpf_object **pobj, int *prog_fd)
  3481 {
  3482         struct bpf_object_open_attr open_attr = {
  3483                 .file           = attr->file,
  3484                 .prog_type      = attr->prog_type,
                                         ^^^^^^
  3485         };

At the head of function, it directly access 'attr' without checking
if it's NULL pointer. This patch moves the values assignment after
validating 'attr' and 'attr->file'.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:15 +02:00
Andi Kleen
e358d2ab42 perf stat: Fix group lookup for metric group
[ Upstream commit 2f87f33f42 ]

The metric group code tries to find a group it added earlier in the
evlist. Fix the lookup to handle groups with partially overlaps
correctly. When a sub string match fails and we reset the match, we have
to compare the first element again.

I also renamed the find_evsel function to find_evsel_group to make its
purpose clearer.

With the earlier changes this fixes:

Before:

  % perf stat -M UPI,IPC sleep 1
  ...
         1,032,922      uops_retired.retire_slots #      1.1 UPI
         1,896,096      inst_retired.any
         1,896,096      inst_retired.any
         1,177,254      cpu_clk_unhalted.thread

After:

  % perf stat -M UPI,IPC sleep 1
  ...
        1,013,193      uops_retired.retire_slots #      1.1 UPI
           932,033      inst_retired.any
           932,033      inst_retired.any          #      0.9 IPC
         1,091,245      cpu_clk_unhalted.thread

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Fixes: b18f3e3650 ("perf stat: Support JSON metrics in perf stat")
Link: http://lkml.kernel.org/r/20190624193711.35241-4-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:15 +02:00
Andi Kleen
a64e018be7 perf stat: Make metric event lookup more robust
[ Upstream commit 145c407c80 ]

After setting up metric groups through the event parser, the metricgroup
code looks them up again in the event list.

Make sure we only look up events that haven't been used by some other
metric. The data structures currently cannot handle more than one metric
per event. This avoids problems with multiple events partially
overlapping.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Link: http://lkml.kernel.org/r/20190624193711.35241-2-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:15 +02:00
Baruch Siach
7343178ccf bpf: fix uapi bpf_prog_info fields alignment
[ Upstream commit 0472301a28 ]

Merge commit 1c8c5a9d38 ("Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next") undid the
fix from commit 36f9814a49 ("bpf: fix uapi hole for 32 bit compat
applications") by taking the gpl_compatible 1-bit field definition from
commit b85fab0e67 ("bpf: Add gpl_compatible flag to struct
bpf_prog_info") as is. That breaks architectures with 16-bit alignment
like m68k. Add 31-bit pad after gpl_compatible to restore alignment of
following fields.

Thanks to Dmitry V. Levin his analysis of this bug history.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Song Liu <songliubraving@fb.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:15 +02:00
Kyle Meyer
1182ff2248 perf tools: Increase MAX_NR_CPUS and MAX_CACHES
[ Upstream commit 9f94c7f947 ]

Attempting to profile 1024 or more CPUs with perf causes two errors:

  perf record -a
  [ perf record: Woken up X times to write data ]
  way too many cpu caches..
  [ perf record: Captured and wrote X MB perf.data (X samples) ]

  perf report -C 1024
  Error: failed to set  cpu bitmap
  Requested CPU 1024 too large. Consider raising MAX_NR_CPUS

  Increasing MAX_NR_CPUS from 1024 to 2048 and redefining MAX_CACHES as
  MAX_NR_CPUS * 4 returns normal functionality to perf:

  perf record -a
  [ perf record: Woken up X times to write data ]
  [ perf record: Captured and wrote X MB perf.data (X samples) ]

  perf report -C 1024
  ...

Signed-off-by: Kyle Meyer <kyle.meyer@hpe.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190620193630.154025-1-meyerk@stormcage.eag.rdlabs.hpecorp.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:12 +02:00
Arnaldo Carvalho de Melo
4c57957ed6 perf evsel: Make perf_evsel__name() accept a NULL argument
[ Upstream commit fdbdd7e858 ]

In which case it simply returns "unknown", like when it can't figure out
the evsel->name value.

This makes this code more robust and fixes a problem in 'perf trace'
where a NULL evsel was being passed to a routine that only used the
evsel for printing its name when a invalid syscall id was passed.

Reported-by: Leo Yan <leo.yan@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-f30ztaasku3z935cn3ak3h53@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-07-26 09:14:08 +02:00