watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [syz.0.301:2765]
Modules linked in:
CPU: 1 PID: 2765 Comm: syz.0.301 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:skb_free_head net/core/skbuff.c:603 [inline]
RIP: 0010:skb_release_data+0x5a8/0x6f0 net/core/skbuff.c:626
Code: e8 8d bf e9 fd 4d 8b 34 24 48 b8 00 00 00 00 00 fc ff df 48 8b 4d 90 0f b6 04 01 84 c0 0f 85 9e 00 00 00 48 8b 45 c8 0f b6 18 <89> de 83 e6 20 31 ff e8 ec 27 ac fd 83 e3 20 75 0f e8 52 25 ac fd
RSP: 0000:ffffc900001702f0 EFLAGS: 00000246
RAX: ffff8881479edcfe RBX: 0000000000000000 RCX: 1ffff11028f3db9f
RDX: 0000000000000501 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000170368 R08: ffffffff83be85a6 R09: ffffed1028f3dbae
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881479edd58
R13: 0000000000000280 R14: ffff88811dbc4800 R15: 0000000000000280
FS:  00007fe4265ba6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d71bff8 CR3: 000000011c7b7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 skb_release_all net/core/skbuff.c:680 [inline]
 __kfree_skb net/core/skbuff.c:694 [inline]
 consume_skb+0xac/0x250 net/core/skbuff.c:851
 netlink_broadcast_filtered+0x114e/0x1270 net/netlink/af_netlink.c:1532
 netlink_broadcast net/netlink/af_netlink.c:1554 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x101/0x1c0 net/netlink/af_netlink.c:2542
 rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:737
 __neigh_notify+0xcc/0x120 net/core/neighbour.c:3386
 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:102
 neigh_del net/core/neighbour.c:198 [inline]
 neigh_remove_one+0x36b/0x3d0 net/core/neighbour.c:219
 neigh_forced_gc net/core/neighbour.c:252 [inline]
 neigh_alloc net/core/neighbour.c:430 [inline]
 ___neigh_create+0x484/0x1a10 net/core/neighbour.c:592
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7fe427810ad2
Code: b0 80 00 00 00 85 f6 7e 0e 48 8d 3d 88 42 1a 00 31 c0 e8 d1 13 ff ff 48 8d 3d e4 f6 1b 00 31 c0 e8 c3 13 ff ff 48 83 c4 68 5b <5d> 41 5c 41 5e c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 18 48 8b 1c
RSP: 002b:00007fe4265ba0d0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 00007fe427af8f88 RCX: 00007fe4279a7cf0
RDX: 000000000000e122 RSI: 0000000000000000 RDI: 00007fe4279d01aa
RBP: 00007fe4279a7cf0 R08: 0000000000000000 R09: 00007fff04cec0b0
R10: 000000000004beaa R11: 0000000000000626 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe427af8f80 R15: 00007fff04c33c38
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1819 Comm: syz.3.223 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:irqtime_account_irq+0x101/0x1d0
Code: 00 00 4a 8d 1c f5 b0 46 dc 85 48 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 74 08 48 89 df e8 0f a2 5d 00 <48> 8b 03 4a 8d 9c e0 70 72 02 00 48 89 d8 48 c1 e8 03 42 80 3c 30
RSP: 0018:ffffc90000007350 EFLAGS: 00000046
RAX: 1ffffffff0bb88d6 RBX: ffffffff85dc46b0 RCX: ffff88811952a780
RDX: 1ffffffff0e10800 RSI: ffffffff85602420 RDI: ffffffff856023e0
RBP: ffffc90000007380 R08: ffffffff87084008 R09: ffffffff87084018
R10: ffffffff87084010 R11: ffffffff87084003 R12: 0000000000000003
R13: 0000000000000dd5 R14: dffffc0000000000 R15: ffff8881f70272c0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a20b5a030 CR3: 000000014b9f1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 account_irq_enter_time include/linux/vtime.h:109 [inline]
 irq_enter_rcu+0x76/0xa0 kernel/softirq.c:377
 sysvec_irq_work+0x19/0xd0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:661
RIP: 0010:rep_nop arch/x86/include/asm/vdso/processor.h:13 [inline]
RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline]
RIP: 0010:queued_write_lock_slowpath+0x17e/0x390 kernel/locking/qrwlock.c:79
Code: bd ff 00 00 00 42 0f b6 04 33 84 c0 4c 8b 64 24 08 74 37 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 2a 4c 89 ff e8 d4 48 57 00 eb 20 <f3> 90 42 0f b6 04 33 84 c0 74 15 44 89 f9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000007480 EFLAGS: 00000206
RAX: 00000000000001ff RBX: 1ffffffff0da83ed RCX: ffffffff8150fdbb
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86d41f68
RBP: ffffc90000007530 R08: dffffc0000000000 R09: fffffbfff0da83ee
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000e9a
R13: 00000000000000ff R14: dffffc0000000000 R15: ffffffff86d41f68
 queued_write_lock include/asm-generic/qrwlock.h:95 [inline]
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline]
 _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:319
 ___neigh_create+0xccc/0x1a10 net/core/neighbour.c:626
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 f0 f9 f6 fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 44 c5 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 ce c6 97 fc 65 48 8b 1d 56 20
RSP: 0018:ffffc900011df200 EFLAGS: 00000246
RAX: 1ffff110232a5636 RBX: 1ffff9200023be44 RCX: ffffffff84b27500
RDX: 1ffff110232a54f4 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900011df280 R08: ffffffff87084008 R09: ffffffff87084018
R10: ffffffff87084010 R11: ffffffff87084003 R12: ffffc900011df220
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200023be40
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:last_frame arch/x86/kernel/unwind_frame.c:82 [inline]
RIP: 0010:is_last_frame arch/x86/kernel/unwind_frame.c:87 [inline]
RIP: 0010:is_last_task_frame arch/x86/kernel/unwind_frame.c:156 [inline]
RIP: 0010:unwind_next_frame+0xfd/0x700 arch/x86/kernel/unwind_frame.c:266
Code: 8d 5e 28 48 89 d8 48 c1 e8 03 48 89 45 90 80 3c 10 00 74 12 48 89 df e8 51 30 76 00 48 ba 00 00 00 00 00 fc ff df 48 89 5d 88 <48> 8b 03 48 89 45 98 48 8d 58 18 48 89 d8 48 c1 e8 03 80 3c 10 00
RSP: 0018:ffffc900011df378 EFLAGS: 00000246
RAX: 1ffff9200023be85 RBX: ffffc900011df428 RCX: 00000000011df401
RDX: dffffc0000000000 RSI: ffffffff816ac40b RDI: ffffc900011df400
RBP: ffffc900011df3f0 R08: ffffc900011df4e8 R09: 0000000000000005
R10: ffffc900011df4f0 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffff8159b780 R14: ffffc900011df400 R15: 1ffff9200023be80
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 save_stack+0x97/0x240 mm/page_owner.c:146
 __reset_page_owner+0x36/0x150 mm/page_owner.c:174
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page+0x9e/0x370 mm/page_alloc.c:5407
 __free_pages+0x67/0xc0 mm/page_alloc.c:5418
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2301
 __vfree mm/vmalloc.c:2349 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2380
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f43200c3af9
Code: Unable to access opcode bytes at RIP 0x7f43200c3acf.
RSP: 002b:00007f431ee6d060 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 00007f43203abf80 RCX: 00007f4320266b76
RDX: 0000000000000000 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f4320266b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f43203abf80 R15: 00007ffdfe9edf18
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (1 GPs behind) idle=342/1/0x4000000000000000 softirq=21507/21518 fqs=16 last_accelerate: f0aa/226a dyntick_enabled: 1
	(t=10001 jiffies g=20781 q=2589)
rcu: rcu_preempt kthread starved for 9965 jiffies! g20781 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:    0 pid:   13 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4046 [inline]
 __schedule+0xbe6/0x1330 kernel/sched/core.c:4804
 schedule+0x13d/0x1d0 kernel/sched/core.c:4882
 schedule_timeout+0x18c/0x360 kernel/time/timer.c:1913
 rcu_gp_fqs_loop kernel/rcu/tree.c:1943 [inline]
 rcu_gp_kthread+0xefc/0x23a0 kernel/rcu/tree.c:2117
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
NMI backtrace for cpu 1
CPU: 1 PID: 2765 Comm: syz.0.301 Tainted: G             L    5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 dump_stack+0x15/0x17 lib/dump_stack.c:135
 nmi_cpu_backtrace lib/nmi_backtrace.c:105 [inline]
 nmi_trigger_cpumask_backtrace+0x2b5/0x300 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:39
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x199/0x2b0 kernel/rcu/tree_stall.h:337
 print_cpu_stall kernel/rcu/tree_stall.h:576 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:659 [inline]
 rcu_pending kernel/rcu/tree.c:3783 [inline]
 rcu_sched_clock_irq+0xf8a/0x1890 kernel/rcu/tree.c:2590
 update_process_times+0x198/0x200 kernel/time/timer.c:1748
 tick_sched_handle kernel/time/tick-sched.c:225 [inline]
 tick_sched_timer+0x188/0x240 kernel/time/tick-sched.c:1389
 __run_hrtimer kernel/time/hrtimer.c:1585 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1649
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1711
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:stack_trace_consume_entry+0x0/0x290 kernel/stacktrace.c:82
Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7b ff ff ff 48 89 df e8 50 8f 4e 00 e9 6e ff ff ff e8 46 37 53 03 66 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 fb 48 ba
RSP: 0000:ffffc9000016fdf8 EFLAGS: 00000286
RAX: ffffffff84c00c82 RBX: ffffc9000016fe00 RCX: 000000000016fe01
RDX: 1ffff9200002dfc2 RSI: ffffffff84c00c82 RDI: ffffc9000016fee0
RBP: ffffc9000016fe90 R08: ffffc9000016fee8 R09: 000000000000001f
R10: ffffc9000016fef0 R11: dffffc0000000001 R12: ffff888128c9cf00
R13: ffffffff8159b780 R14: ffffc9000016fee0 R15: 0000000000000000
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x121/0x160 mm/kasan/common.c:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1595 [inline]
 slab_free_freelist_hook+0xc0/0x190 mm/slub.c:1621
 slab_free mm/slub.c:3203 [inline]
 kfree+0xc3/0x270 mm/slub.c:4191
 skb_free_head net/core/skbuff.c:606 [inline]
 skb_release_data+0x5c6/0x6f0 net/core/skbuff.c:626
 skb_release_all net/core/skbuff.c:680 [inline]
 __kfree_skb net/core/skbuff.c:694 [inline]
 consume_skb+0xac/0x250 net/core/skbuff.c:851
 netlink_broadcast_filtered+0x114e/0x1270 net/netlink/af_netlink.c:1532
 netlink_broadcast net/netlink/af_netlink.c:1554 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x101/0x1c0 net/netlink/af_netlink.c:2542
 rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:737
 __neigh_notify+0xcc/0x120 net/core/neighbour.c:3386
 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:102
 neigh_del net/core/neighbour.c:198 [inline]
 neigh_remove_one+0x36b/0x3d0 net/core/neighbour.c:219
 neigh_forced_gc net/core/neighbour.c:252 [inline]
 neigh_alloc net/core/neighbour.c:430 [inline]
 ___neigh_create+0x484/0x1a10 net/core/neighbour.c:592
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7fe427810ad2
Code: b0 80 00 00 00 85 f6 7e 0e 48 8d 3d 88 42 1a 00 31 c0 e8 d1 13 ff ff 48 8d 3d e4 f6 1b 00 31 c0 e8 c3 13 ff ff 48 83 c4 68 5b <5d> 41 5c 41 5e c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 18 48 8b 1c
RSP: 002b:00007fe4265ba0d0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 00007fe427af8f88 RCX: 00007fe4279a7cf0
RDX: 000000000000e122 RSI: 0000000000000000 RDI: 00007fe4279d01aa
RBP: 00007fe4279a7cf0 R08: 0000000000000000 R09: 00007fff04cec0b0
R10: 000000000004beaa R11: 0000000000000626 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe427af8f80 R15: 00007fff04c33c38