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Linux kernel for uConsole
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Matthew Wilcox (Oracle) 88358c7610 idr: Fix integer overflow in idr_for_each_entry 
[ Upstream commit f6341c5af4 ]

If there is an entry at INT_MAX then idr_for_each_entry() will increment
id after handling it.  This is undefined behaviour, and is caught by
UBSAN.  Adding 1U to id forces the operation to be carried out as an
unsigned addition which (when assigned to id) will result in INT_MIN.
Since there is never an entry stored at INT_MIN, idr_get_next() will
return NULL, ending the loop as expected.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-12-05 09:19:39 +01:00
arch powerpc/bpf: Fix tail call implementation 2019-12-05 09:19:39 +01:00
block block: call rq_qos_exit() after queue is frozen 2019-12-01 09:17:06 +01:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto crypto: testmgr - fix sizeof() on COMP_BUF_SIZE 2019-12-01 09:16:13 +01:00
Documentation x86/speculation: Fix incorrect MDS/TAA mitigation status 2019-12-01 09:17:37 +01:00
drivers clk: sunxi-ng: a80: fix the zero'ing of bits 16 and 18 2019-12-05 09:19:39 +01:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs ocfs2: remove ocfs2_is_o2cb_active() 2019-12-01 09:17:36 +01:00
include idr: Fix integer overflow in idr_for_each_entry 2019-12-05 09:19:39 +01:00
init initramfs: don't free a non-existent initrd 2019-10-01 08:26:09 +02:00
ipc ipc/mqueue.c: only perform resource calculation if user valid 2019-08-06 19:06:52 +02:00
kernel futex: Prevent robust futex exit race 2019-12-01 09:17:38 +01:00
lib lib/bitmap.c: fix remaining space computation in bitmap_print_to_pagebuf 2019-12-01 09:17:08 +01:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm mm/memory_hotplug: don't access uninitialized memmaps in shrink_zone_span() 2019-12-01 09:17:36 +01:00
net cfg80211: call disconnect_wk when AP stops 2019-12-01 09:17:34 +01:00
samples samples/bpf: fix build by setting HAVE_ATTR_TEST to zero 2019-12-05 09:19:39 +01:00
scripts scripts/setlocalversion: Improve -dirty check with git-status --no-optional-locks 2019-11-06 13:05:27 +01:00
security ima: fix freeing ongoing ahash_request 2019-10-11 18:21:11 +02:00
sound ASoC: kirkwood: fix device remove ordering 2019-12-05 09:19:37 +01:00
tools usbip: tools: fix fd leakage in the function of read_attr_usbip_status 2019-12-01 09:17:40 +01:00
usr kbuild: clean compressed initramfs image 2019-10-07 18:57:16 +02:00
virt KVM: MMU: Do not treat ZONE_DEVICE pages as being reserved 2019-12-01 09:17:35 +01:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:44:47 -07:00
Makefile Linux 4.19.87 2019-12-01 09:17:47 +01:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.