IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
==================================================================
BUG: KMSAN: uninit-value in __list_add_valid+0x1a2/0x450 lib/list_debug.c:23
CPU: 0 PID: 3587 Comm: syz-executor5 Not tainted 4.16.0+ #84
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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
 __list_add_valid+0x1a2/0x450 lib/list_debug.c:23
 __list_add include/linux/list.h:60 [inline]
 list_add include/linux/list.h:79 [inline]
 account_entity_enqueue kernel/sched/fair.c:2667 [inline]
 enqueue_entity kernel/sched/fair.c:4036 [inline]
 enqueue_task_fair+0xe06/0x43a0 kernel/sched/fair.c:5219
 enqueue_task kernel/sched/core.c:774 [inline]
 activate_task kernel/sched/core.c:793 [inline]
 wake_up_new_task+0xbe6/0x1700 kernel/sched/core.c:2473
 _do_fork+0x765/0xf00 kernel/fork.c:2113
 SYSC_clone+0xf6/0x110 kernel/fork.c:2195
 SyS_clone+0x77/0xa0 kernel/fork.c:2189
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x41f149
RSP: 002b:0000000000a3fad0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000041f149
RDX: 0000000000a3fadc RSI: 0000000000000000 RDI: 0000000000100011
RBP: 0000000000a3fc80 R08: 0000000000a44a60 R09: 000000000000002a
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000a3feb0
R13: 0000000000a3fe28 R14: 0000000000000000 R15: 0000000000000000

Uninit was stored to memory at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline]
 kmsan_save_stack mm/kmsan/kmsan.c:293 [inline]
 kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:684
 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:521
 __write_once_size include/linux/compiler.h:224 [inline]
 __list_add include/linux/list.h:66 [inline]
 list_add include/linux/list.h:79 [inline]
 account_entity_enqueue kernel/sched/fair.c:2667 [inline]
 enqueue_entity kernel/sched/fair.c:4036 [inline]
 enqueue_task_fair+0x2962/0x43a0 kernel/sched/fair.c:5219
 enqueue_task kernel/sched/core.c:774 [inline]
 activate_task kernel/sched/core.c:793 [inline]
 ttwu_activate kernel/sched/core.c:1664 [inline]
 ttwu_do_activate kernel/sched/core.c:1723 [inline]
 ttwu_queue kernel/sched/core.c:1868 [inline]
 try_to_wake_up+0x13cc/0x20a0 kernel/sched/core.c:2081
 wake_up_process+0x34/0x40 kernel/sched/core.c:2154
 swake_up_locked kernel/sched/swait.c:28 [inline]
 swake_up+0xfb/0x3b0 kernel/sched/swait.c:38
 rcu_gp_kthread_wake kernel/rcu/tree.c:1786 [inline]
 rcu_report_qs_rsp kernel/rcu/tree.c:2365 [inline]
 rcu_report_qs_rnp+0x767/0x880 kernel/rcu/tree.c:2432
 rcu_report_qs_rdp kernel/rcu/tree.c:2515 [inline]
 rcu_check_quiescent_state kernel/rcu/tree.c:2552 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2884 [inline]
 rcu_process_callbacks+0x7b0/0x2070 kernel/rcu/tree.c:2917
 __do_softirq+0x56d/0x93d kernel/softirq.c:285
Local variable description: ----__wait111@rcu_gp_kthread
Variable was created at:
 rcu_gp_kthread+0x9c/0x38d0 kernel/rcu/tree.c:2180
 kthread+0x539/0x720 kernel/kthread.c:239
==================================================================