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linux/net/core
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Eric Dumazet 77d36398d9 net: fix uninit-value in __hw_addr_add_ex() 
syzbot complained :

BUG: KMSAN: uninit-value in memcmp+0x119/0x180 lib/string.c:861
CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted 4.16.0+ #82
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676
 memcmp+0x119/0x180 lib/string.c:861
 __hw_addr_add_ex net/core/dev_addr_lists.c:60 [inline]
 __dev_mc_add+0x1c2/0x8e0 net/core/dev_addr_lists.c:670
 dev_mc_add+0x6d/0x80 net/core/dev_addr_lists.c:687
 igmp6_group_added+0x2db/0xa00 net/ipv6/mcast.c:662
 ipv6_dev_mc_inc+0xe9e/0x1130 net/ipv6/mcast.c:914
 addrconf_join_solict net/ipv6/addrconf.c:2078 [inline]
 addrconf_dad_begin net/ipv6/addrconf.c:3828 [inline]
 addrconf_dad_work+0x427/0x2150 net/ipv6/addrconf.c:3954
 process_one_work+0x12c6/0x1f60 kernel/workqueue.c:2113
 worker_thread+0x113c/0x24f0 kernel/workqueue.c:2247
 kthread+0x539/0x720 kernel/kthread.c:239

Fixes: f001fde5eadd ("net: introduce a list of device addresses dev_addr_list (v6)")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-07 22:32:31 -04:00
..
datagram.c
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
dev_addr_lists.c
net: fix uninit-value in __hw_addr_add_ex()
2018-04-07 22:32:31 -04:00
dev_ioctl.c
net: don't unnecessarily load kernel modules in dev_ioctl()
2018-03-07 15:12:58 -05:00
dev.c
net: fool proof dev_valid_name()
2018-04-05 15:16:15 -04:00
devlink.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-03-23 11:31:58 -04:00
drop_monitor.c
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
dst_cache.c
net: core: dst_cache_set_ip6: Rename 'addr' parameter to 'saddr' for consistency
2018-03-05 12:52:45 -05:00
dst.c
net: Remove dst->next
2017-11-30 09:54:27 -05:00
ethtool.c
ethtool: enable Inline TLS in HW
2018-03-31 23:37:32 -04:00
fib_notifier.c
net: Fix fib notifer to return errno
2018-03-29 14:10:30 -04:00
fib_rules.c
net: Move call_fib_rule_notifiers up in fib_nl_newrule
2018-03-29 14:10:30 -04:00
filter.c
bpf: Post-hooks for sys_bind
2018-03-31 02:16:26 +02:00
flow_dissector.c
net: Remove unused get_hash_from_flow functions
2018-03-04 13:04:23 -05:00
gen_estimator.c
net_sched: gen_estimator: fix broken estimators based on percpu stats
2018-02-23 12:35:46 -05:00
gen_stats.c
net: sched: add support for TCQ_F_NOLOCK subqueues to sch_mq
2017-12-08 13:32:26 -05:00
gro_cells.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hwbm.c
net: hwbm: Fix unbalanced spinlock in error case
2016-05-25 12:35:09 -07:00
link_watch.c
net: link_watch: mark bonding link events urgent
2018-01-23 19:43:30 -05:00
lwt_bpf.c
bpf: rename bpf_compute_data_end into bpf_compute_data_pointers
2017-09-26 13:36:44 -07:00
lwtunnel.c
ipv6: sr: define core operations for seg6local lightweight tunnel
2017-08-07 14:16:22 -07:00
Makefile
xdp: base API for new XDP rx-queue info concept
2018-01-05 15:21:20 -08:00
neighbour.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-01-17 00:10:42 -05:00
net_namespace.c
net: Do not take net_rwsem in __rtnl_link_unregister()
2018-03-31 22:24:58 -04:00
net-procfs.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
net-sysfs.c
net: Use octal not symbolic permissions
2018-03-26 12:07:48 -04:00
net-sysfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
net-traces.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
netclassid_cgroup.c
cgroup: add @flags to css_task_iter_start() and implement CSS_TASK_ITER_PROCS
2017-07-21 11:14:51 -04:00
netevent.c
…
netpoll.c
netpoll: Use lockdep to assert IRQs are disabled/enabled
2017-11-08 11:13:54 +01:00
netprio_cgroup.c
net: remove duplicate includes
2017-12-13 13:18:46 -05:00
pktgen.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
ptp_classifier.c
ptp: Change ptp_class to a proper bitmask
2015-11-03 11:08:22 -05:00
request_sock.c
ipv4: Namespaceify tcp_max_syn_backlog knob
2016-12-29 11:38:31 -05:00
rtnetlink.c
net: Do not take net_rwsem in __rtnl_link_unregister()
2018-03-31 22:24:58 -04:00
scm.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h>
2017-03-02 08:42:29 +01:00
secure_seq.c
tcp: Namespaceify sysctl_tcp_timestamps
2017-06-08 10:53:29 -04:00
skbuff.c
net: initialize skb->peeked when cloning
2018-04-07 22:32:31 -04:00
sock_diag.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
sock_reuseport.c
soreuseport: fix mem leak in reuseport_add_sock()
2018-02-02 19:47:03 -05:00
sock.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
stream.c
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
sysctl_net_core.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
timestamping.c
net: skb_defer_rx_timestamp should check for phydev before setting up classify
2015-07-09 14:17:15 -07:00
tso.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
utils.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-05-02 16:40:27 -07:00
xdp.c
xdp/qede: setup xdp_rxq_info and intro xdp_rxq_info_is_reg
2018-01-05 15:21:21 -08:00