rcu: INFO: rcu_bh detected stalls on CPUs/tasks:
rcu: 	0-....: (12777 ticks this GP) idle=db2/1/0x4000000000000004 softirq=41324/45516 fqs=5244 
rcu: 	(detected by 1, t=10502 jiffies, g=-1023, q=10)
Sending NMI from CPU 1 to CPUs 0:
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.512 msecs
NMI backtrace for cpu 0
CPU: 0 PID: 14550 Comm: syz-executor.2 Not tainted 4.19.71 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lock_release+0x81/0xa30 kernel/locking/lockdep.c:3912
Code: 08 00 00 48 c7 45 88 f0 96 52 81 c7 02 f1 f1 f1 f1 c7 42 04 04 f3 f3 f3 48 89 fa 65 48 8b 34 25 28 00 00 00 48 89 75 d0 31 f6 <48> c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84
RSP: 0018:ffff8880ae806e98 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 1ffff11015d00dd9 RCX: 00000000c38e570c
RDX: ffff88804dec6cfc RSI: 0000000000000000 RDI: ffff88804dec6cfc
RBP: ffff8880ae806f50 R08: 0000000000001e68 R09: 0000000000000006
R10: ffff88804dec6df0 R11: ffffffff89e637c0 R12: ffffffff887b1048
R13: ffffffff817f7e53 R14: ffff88804dec6480 R15: ffff8880ae806f28
FS:  00007fc9b0d7b700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feb368f4638 CR3: 000000005bd11000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 seqcount_lockdep_reader_access include/linux/seqlock.h:82 [inline]
 read_seqcount_begin include/linux/seqlock.h:164 [inline]
 ktime_get+0xe7/0x2f0 kernel/time/timekeeping.c:756
 hrtimer_forward_now include/linux/hrtimer.h:473 [inline]
 perf_swevent_hrtimer+0x313/0x3d0 kernel/events/core.c:9197
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x33b/0xdc0 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1092
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:94
Code: 41 bc f4 ff ff ff e8 33 66 ea ff 48 c7 05 44 12 cd 08 00 00 00 00 e9 ca e9 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 28 87
RSP: 0018:ffff8880ae8074d0 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a060e728 RBX: ffff8880a060e738 RCX: ffffffff858e8489
RDX: ffff8880a060e700 RSI: ffffffff858e88ec RDI: 0000000000000005
RBP: ffff8880ae807528 R08: ffff88804dec6480 R09: 0000000000000005
R10: ffff88804dec6dc8 R11: 00000000c2b65cbe R12: dffffc0000000000
R13: ffff8880a060e480 R14: 0000000000000001 R15: 0000000000000000
 dequeue_skb net/sched/sch_generic.c:277 [inline]
 qdisc_restart net/sched/sch_generic.c:380 [inline]
 __qdisc_run+0x1e7/0x1960 net/sched/sch_generic.c:398
 __dev_xmit_skb net/core/dev.c:3501 [inline]
 __dev_queue_xmit+0x165c/0x2fe0 net/core/dev.c:3811
 dev_queue_xmit+0x18/0x20 net/core/dev.c:3876
 neigh_resolve_output net/core/neighbour.c:1369 [inline]
 neigh_resolve_output+0x5b7/0x980 net/core/neighbour.c:1349
 neigh_output include/net/neighbour.h:501 [inline]
 ip6_finish_output2+0xb7f/0x2550 net/ipv6/ip6_output.c:120
 ip6_finish_output+0x574/0xbe0 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x235/0x7c0 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:447 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ndisc_send_skb+0xf3b/0x1460 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x134/0x6d0 net/ipv6/ndisc.c:685
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3821
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x2b/0x50 kernel/kcov.c:104
Code: 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 28 87 96 7e 81 e2 00 01 1f 00 75 2b 8b 90 d0 12 00 00 83 fa 02 75 20 <48> 8b 88 d8 12 00 00 8b 80 d4 12 00 00 48 8b 11 48 83 c2 01 48 39
RSP: 0018:ffff888084c6f900 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88804dec6480 RBX: ffffffff874f024c RCX: dffffc0000000000
RDX: 0000000000000002 RSI: ffffffff86f105d5 RDI: ffff88808ff06ac0
RBP: ffff888084c6f900 R08: 1ffff11011fe0d57 R09: ffffed1011fe0d58
R10: ffffed1011fe0d57 R11: ffff88808ff06abf R12: ffffffff874f024c
R13: ffff88808ff06ac0 R14: 0000000000000025 R15: ffff888084c6f9c0
 vsnprintf+0x2a5/0x19a0 lib/vsprintf.c:2243
 audit_log_vformat+0x23c/0x910 kernel/audit.c:1855
 audit_log_format+0xc5/0x110 kernel/audit.c:1889
 audit_log_task+0x1d3/0x310 kernel/auditsc.c:2441
 audit_seccomp+0x7b/0x290 kernel/auditsc.c:2496
 seccomp_log kernel/seccomp.c:604 [inline]
 __seccomp_filter+0x7f5/0xd70 kernel/seccomp.c:767
 __secure_computing+0x101/0x360 kernel/seccomp.c:795
 syscall_trace_enter+0x5bf/0xe40 arch/x86/entry/common.c:121
 do_syscall_64+0x489/0x620 arch/x86/entry/common.c:283
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4598e9
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc9b0d7acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 000000000075bf28 RCX: 00000000004598e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007ffee6d7fe3f R14: 00007fc9b0d7b9c0 R15: 000000000075bf2c
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=db2/1/0x4000000000000004 softirq=45508/45516 fqs=5243 
rcu: 	(detected by 1, t=10502 jiffies, g=41273, q=3924)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14550 Comm: syz-executor.2 Not tainted 4.19.71 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:paravirt_write_msr arch/x86/include/asm/paravirt.h:117 [inline]
RIP: 0010:native_apic_msr_write arch/x86/include/asm/apic.h:209 [inline]
RIP: 0010:native_apic_msr_write+0x41/0x80 arch/x86/include/asm/apic.h:203
Code: 48 c7 c0 a8 45 72 88 c1 ef 04 48 b9 00 00 00 00 00 fc ff df 48 89 e5 48 c1 e8 03 53 8d 9f 00 08 00 00 48 83 ec 08 80 3c 08 00 <75> 20 48 83 3d 7d 78 44 07 00 74 14 89 df 89 f6 31 d2 e8 18 d1 00
RSP: 0018:ffff8880ae807270 EFLAGS: 00000046
RAX: 1ffffffff10e48b5 RBX: 0000000000000838 RCX: dffffc0000000000
RDX: 1ffffffff109c666 RSI: 00000000000001c3 RDI: 0000000000000038
RBP: ffff8880ae807280 R08: ffff88804dec6480 R09: ffffffff897a1008
R10: ffffffff897a1010 R11: 0000000000000001 R12: ffff8880ae81f140
R13: 00000000000001c3 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fc9b0d7b700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feb368f4638 CR3: 000000005bd11000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:397 [inline]
 lapic_next_event+0x51/0x80 arch/x86/kernel/apic/apic.c:461
 clockevents_program_event+0x25c/0x370 kernel/time/clockevents.c:344
 tick_program_event+0xb4/0x130 kernel/time/tick-oneshot.c:48
 hrtimer_interrupt+0x369/0x770 kernel/time/hrtimer.c:1531
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1092
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
RIP: 0010:__list_del_entry_valid+0xc7/0xf5 lib/list_debug.c:61
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 24 49 8b 55 08 4c 39 f2 0f 85 aa 00 00 00 41 5c b8 01 00 00 00 <41> 5d 41 5e 5d c3 e8 4e 27 7c fe e9 55 ff ff ff e8 44 27 7c fe eb
RSP: 0018:ffff8880ae8074b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8880a060e738 RCX: ffffffff858e8489
RDX: ffff8880a060e738 RSI: ffffffff858e893b RDI: ffff8880a060e7d8
RBP: ffff8880ae8074c8 R08: ffff88804dec6480 R09: 0000000000000005
R10: ffff88804dec6dc8 R11: 00000000c2b65cbe R12: dffffc0000000000
R13: ffff8880a060e7d0 R14: ffff8880a060e738 R15: 0000000000000000
 __list_del_entry include/linux/list.h:117 [inline]
 list_move_tail include/linux/list.h:182 [inline]
 hhf_dequeue+0x5aa/0xa00 net/sched/sch_hhf.c:438
 dequeue_skb net/sched/sch_generic.c:277 [inline]
 qdisc_restart net/sched/sch_generic.c:380 [inline]
 __qdisc_run+0x1e7/0x1960 net/sched/sch_generic.c:398
 __dev_xmit_skb net/core/dev.c:3501 [inline]
 __dev_queue_xmit+0x165c/0x2fe0 net/core/dev.c:3811
 dev_queue_xmit+0x18/0x20 net/core/dev.c:3876
 neigh_resolve_output net/core/neighbour.c:1369 [inline]
 neigh_resolve_output+0x5b7/0x980 net/core/neighbour.c:1349
 neigh_output include/net/neighbour.h:501 [inline]
 ip6_finish_output2+0xb7f/0x2550 net/ipv6/ip6_output.c:120
 ip6_finish_output+0x574/0xbe0 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x235/0x7c0 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:447 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ndisc_send_skb+0xf3b/0x1460 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x134/0x6d0 net/ipv6/ndisc.c:685
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3821
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x2b/0x50 kernel/kcov.c:104
Code: 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 28 87 96 7e 81 e2 00 01 1f 00 75 2b 8b 90 d0 12 00 00 83 fa 02 75 20 <48> 8b 88 d8 12 00 00 8b 80 d4 12 00 00 48 8b 11 48 83 c2 01 48 39
RSP: 0018:ffff888084c6f900 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88804dec6480 RBX: ffffffff874f024c RCX: dffffc0000000000
RDX: 0000000000000002 RSI: ffffffff86f105d5 RDI: ffff88808ff06ac0
RBP: ffff888084c6f900 R08: 1ffff11011fe0d57 R09: ffffed1011fe0d58
R10: ffffed1011fe0d57 R11: ffff88808ff06abf R12: ffffffff874f024c
R13: ffff88808ff06ac0 R14: 0000000000000025 R15: ffff888084c6f9c0
 vsnprintf+0x2a5/0x19a0 lib/vsprintf.c:2243
 audit_log_vformat+0x23c/0x910 kernel/audit.c:1855
 audit_log_format+0xc5/0x110 kernel/audit.c:1889
 audit_log_task+0x1d3/0x310 kernel/auditsc.c:2441
 audit_seccomp+0x7b/0x290 kernel/auditsc.c:2496
 seccomp_log kernel/seccomp.c:604 [inline]
 __seccomp_filter+0x7f5/0xd70 kernel/seccomp.c:767
 __secure_computing+0x101/0x360 kernel/seccomp.c:795
 syscall_trace_enter+0x5bf/0xe40 arch/x86/entry/common.c:121
 do_syscall_64+0x489/0x620 arch/x86/entry/common.c:283
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4598e9
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc9b0d7acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 000000000075bf28 RCX: 00000000004598e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007ffee6d7fe3f R14: 00007fc9b0d7b9c0 R15: 000000000075bf2c