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David Ahern e55449e71a ipv6: Initialize fib6_result in bpf_ipv6_fib_lookup 
fib6_result is not initialized in bpf_ipv6_fib_lookup and potentially
passses garbage to the fib lookup which triggers a KASAN warning:

[  262.055450] ==================================================================
[  262.057640] BUG: KASAN: user-memory-access in fib6_rule_suppress+0x4b/0xce
[  262.059488] Read of size 8 at addr 00000a20000000b0 by task swapper/1/0
[  262.061238]
[  262.061673] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.1.0-rc5+ #56
[  262.063493] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1 04/01/2014
[  262.065593] Call Trace:
[  262.066277]  <IRQ>
[  262.066848]  dump_stack+0x7e/0xbb
[  262.067764]  kasan_report+0x18b/0x1b5
[  262.069921]  __asan_load8+0x7f/0x81
[  262.070879]  fib6_rule_suppress+0x4b/0xce
[  262.071980]  fib_rules_lookup+0x275/0x2cd
[  262.073090]  fib6_lookup+0x119/0x218
[  262.076457]  bpf_ipv6_fib_lookup+0x39d/0x664
...

Initialize fib6_result to 0.

Fixes: b1d4099150 ("ipv6: Rename fib6_multipath_select and pass fib6_result")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-26 11:32:00 -04:00
..
6lowpan 6lowpan: Off by one handling ->nexthdr 2019-04-23 19:09:58 +02:00
9p 9p/net: fix memory leak in p9_client_create 2019-03-13 11:50:04 +01:00
802
8021q vlan: do not transfer link state in vlan bridge binding mode 2019-04-19 13:58:17 -07:00
appletalk net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
atm net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
ax25 net: ax25: fix misuse of %x 2019-04-21 10:37:26 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-05 14:14:19 -07:00
bluetooth Bluetooth: Align minimum encryption key size for LE and BR/EDR connections 2019-04-25 06:18:07 -07:00
bpf bpf: explicitly prohibit ctx_{in, out} in non-skb BPF_PROG_TEST_RUN 2019-04-12 00:53:00 +02:00
bpfilter bpfilter: re-add header search paths to tools include to fix build error 2019-02-23 13:34:40 -08:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
caif net: caif: avoid using qdisc_qlen() 2019-04-10 12:20:46 -07:00
can net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
ceph libceph: fix breakage caused by multipage bvecs 2019-03-25 22:28:07 +01:00
core ipv6: Initialize fib6_result in bpf_ipv6_fib_lookup 2019-04-26 11:32:00 -04:00
dcb
dccp net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
decnet net: Rename net/nexthop.h net/rtnh.h 2019-04-22 21:47:25 -07:00
dns_resolver dns: remove redundant zero length namelen check 2019-04-11 14:01:08 -07:00
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-05 14:14:19 -07:00
ethernet net/ethernet: Add parse_protocol header_ops support 2019-02-22 12:55:31 -08:00
hsr net: hsr: add tx stats for master interface 2019-04-15 17:22:02 -07:00
ieee802154 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
ife
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
iucv
kcm kcm: switch order of device registration to fix a crash 2019-04-01 14:59:20 -07:00
key af_key: unconditionally clone on broadcast 2019-02-12 10:36:42 +01:00
l2tp net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
l3mdev
lapb
llc llc: Check address length before reading address field 2019-04-12 10:25:03 -07:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
mac802154
mpls net: Rename net/nexthop.h net/rtnh.h 2019-04-22 21:47:25 -07:00
ncsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
netlabel genetlink: make policy common to family 2019-03-22 10:38:23 -04:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
netrom net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-08 23:39:36 -07:00
nsh
openvswitch netfilter: replace NF_NAT_NEEDED with IS_ENABLED(CONFIG_NF_NAT) 2019-04-08 23:02:52 +02:00
packet net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
phonet phonet: fix building with clang 2019-02-21 16:23:56 -08:00
psample
qrtr net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
rds net: rds: exchange of 8K and 1M pool 2019-04-24 12:07:08 -07:00
rfkill
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
sched net: sched: flower: refactor reoffload for concurrent access 2019-04-24 11:53:28 -07:00
sctp net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
strparser net: strparser: make it explicitly non-modular 2019-04-22 21:50:54 -07:00
sunrpc Fix miscellaneous nfsd bugs, in NFSv4.1 callbacks, NFSv4.1 2019-04-23 13:40:55 -07:00
switchdev switchdev: Remove unused transaction item queue 2019-03-01 21:35:19 -08:00
tipc tipc: tipc_udp_recv() cleanup vs rcu verbs 2019-04-24 11:46:54 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
unix datagram: remove rendundant 'peeked' argument 2019-04-08 09:51:54 -07:00
vmw_vsock vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock 2019-03-08 15:15:44 -08:00
wimax genetlink: make policy common to family 2019-03-22 10:38:23 -04:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
x25 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
xdp xsk: fix XDP socket ring buffer memory ordering 2019-04-16 20:13:10 -07:00
xfrm net: dev: rename queue selection helpers. 2019-03-20 11:18:54 -07:00
compat.c net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
Kconfig net: devlink: select NET_DEVLINK from drivers 2019-03-24 14:55:31 -04:00
Makefile net: split out functions related to registering inflight socket files 2019-02-28 08:24:23 -07:00
socket.c net: socket: Fix missing break in switch statement 2019-04-26 11:28:47 -04:00
sysctl_net.c