rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (1 GPs behind) idle=fd6/1/0x4000000000000004 softirq=129840/129844 fqs=134
rcu: (t=10500 jiffies g=166177 q=3210)
rcu: rcu_preempt kthread starved for 10231 jiffies! g166177 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R running task 29208 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1825
rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
NMI backtrace for cpu 1
CPU: 1 PID: 1240 Comm: syz-executor.1 Not tainted 4.19.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x15f/0x19c kernel/rcu/tree.c:1340
print_cpu_stall kernel/rcu/tree.c:1478 [inline]
check_cpu_stall kernel/rcu/tree.c:1550 [inline]
__rcu_pending kernel/rcu/tree.c:3293 [inline]
rcu_pending kernel/rcu/tree.c:3336 [inline]
rcu_check_callbacks.cold+0x62d/0xe19 kernel/rcu/tree.c:2682
update_process_times+0x2a/0xb0 kernel/time/timer.c:1650
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278
__run_hrtimer kernel/time/hrtimer.c:1401 [inline]
__hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463
hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192
Code: c0 58 5b d2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 61 d0 94 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 86 15 0a fa 65 8b 05 bf 62 c4 78 85 c0 74 02 5d
RSP: 0018:ffff8880ae707dd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11a4b6b RBX: dffffc0000000000 RCX: 1ffff11002befded
RDX: dffffc0000000000 RSI: ffff888015f7ef48 RDI: ffff888015f7ef44
RBP: ffff8880ae723a40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85cba210
R13: ffff8880ae723a40 R14: ffff8880ae707e68 R15: 0000000000000000
expire_timers+0x238/0x4e0 kernel/time/timer.c:1374
__run_timers kernel/time/timer.c:1703 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1716
__do_softirq+0x26c/0x9a0 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:544 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__list_add_valid+0x10/0xa0 lib/list_debug.c:22
Code: 07 09 fe 48 89 ee 5d 48 c7 c7 20 0b cb 87 e9 47 fd ff ff 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 54 49 89 d4 55 <48> 89 fd 48 8d 7a 08 48 83 ec 08 48 89 fa 48 c1 ea 03 80 3c 02 00
RSP: 0018:ffff88821862fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff888015f7e6c0 RCX: 0000000000000000
RDX: ffff888015f7f860 RSI: ffff888015f7f860 RDI: ffff88801a4c8c58
RBP: ffff88801a4c8980 R08: 0000000000000000 R09: ffffed1002befefc
R10: ffff888015f7f7e7 R11: 0000000000000000 R12: ffff888015f7f860
R13: ffff88801a4c8c58 R14: ffff888015f7f868 R15: ffff888015f7f860
__list_add include/linux/list.h:60 [inline]
list_add_tail include/linux/list.h:93 [inline]
__do_sys_perf_event_open kernel/events/core.c:10913 [inline]
__se_sys_perf_event_open+0xf82/0x2720 kernel/events/core.c:10525
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d5b9
Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f53697d4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000024780 RCX: 000000000045d5b9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000700
RBP: 000000000118d030 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cfec
R13: 00007ffce171a14f R14: 00007f53697d59c0 R15: 000000000118cfec
rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
rcu: 1-....: (1 GPs behind) idle=fd6/1/0x4000000000000004 softirq=129843/129844 fqs=133
rcu: (detected by 0, t=10552 jiffies, g=38873, q=1)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1240 Comm: syz-executor.1 Not tainted 4.19.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_peek include/linux/skbuff.h:1634 [inline]
RIP: 0010:__skb_dequeue include/linux/skbuff.h:1917 [inline]
RIP: 0010:skb_dequeue+0x12c/0x170 net/core/skbuff.c:2820
Code: df 48 c1 ea 03 80 3c 02 00 75 3b 4c 89 33 e8 6b 73 b7 fb 48 89 ee 4c 89 ef e8 b0 4b 8b 01 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 <45> 31 e4 eb df e8 9a 93 ed fb e9 43 ff ff ff 48 89 df e8 1d 94 ed
RSP: 0018:ffff8880ae707cb8 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff888026fcdb98 RCX: ffffffff815256bb
RDX: 1ffff11004df9b73 RSI: 0000000000000004 RDI: ffff888026fcdbb0
RBP: 0000000000000282 R08: 0000000000000001 R09: ffffed1004df9b76
R10: ffff888026fcdbb3 R11: 0000000000000000 R12: ffff888026fcdb98
R13: ffff888026fcdbb0 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f53697d5700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31022000 CR3: 000000003e41c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mrp_queue_xmit net/802/mrp.c:353 [inline]
mrp_join_timer+0x97/0xc0 net/802/mrp.c:598
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1703 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1716
__do_softirq+0x26c/0x9a0 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:544 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__list_add_valid+0x10/0xa0 lib/list_debug.c:22
Code: 07 09 fe 48 89 ee 5d 48 c7 c7 20 0b cb 87 e9 47 fd ff ff 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 54 49 89 d4 55 <48> 89 fd 48 8d 7a 08 48 83 ec 08 48 89 fa 48 c1 ea 03 80 3c 02 00
RSP: 0018:ffff88821862fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff888015f7e6c0 RCX: 0000000000000000
RDX: ffff888015f7f860 RSI: ffff888015f7f860 RDI: ffff88801a4c8c58
RBP: ffff88801a4c8980 R08: 0000000000000000 R09: ffffed1002befefc
R10: ffff888015f7f7e7 R11: 0000000000000000 R12: ffff888015f7f860
R13: ffff88801a4c8c58 R14: ffff888015f7f868 R15: ffff888015f7f860
__list_add include/linux/list.h:60 [inline]
list_add_tail include/linux/list.h:93 [inline]
__do_sys_perf_event_open kernel/events/core.c:10913 [inline]
__se_sys_perf_event_open+0xf82/0x2720 kernel/events/core.c:10525
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d5b9
Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f53697d4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000024780 RCX: 000000000045d5b9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000700
RBP: 000000000118d030 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cfec
R13: 00007ffce171a14f R14: 00007f53697d59c0 R15: 000000000118cfec
rcu: INFO: rcu_bh detected stalls on CPUs/tasks:
rcu: 1-....: (10968 ticks this GP) idle=fd6/1/0x4000000000000004 softirq=129559/129844 fqs=96
rcu: (detected by 0, t=10518 jiffies, g=-455, q=292)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1240 Comm: syz-executor.1 Not tainted 4.19.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ktime_add_safe kernel/time/hrtimer.c:332 [inline]
RIP: 0010:hrtimer_add_expires include/linux/hrtimer.h:250 [inline]
RIP: 0010:hrtimer_forward+0x160/0x260 kernel/time/hrtimer.c:936
Code: ff ff ff ff ff ff 7f 7c 21 e8 cc 9c 0e 00 4c 89 e6 48 89 ef e8 d1 9d 0e 00 4c 39 e5 48 b8 ff ff ff ff ff ff ff 7f 49 0f 4e c4 <49> bd ff ff ff ff ff ff ff 7f 48 89 04 24 e8 9d 9c 0e 00 4c 8b 64
RSP: 0018:ffff8880ae707830 EFLAGS: 00000097
RAX: 000000ece3529bba RBX: ffff88801a4c8ad8 RCX: ffffffff815b14bf
RDX: 000000ece3529bba RSI: ffff888015f7e6c0 RDI: 0000000000000006
RBP: 0000000000002710 R08: ffffffff8ad38058 R09: 0000000000002710
R10: 0000000000000006 R11: ffffffff8ad3805b R12: 000000ece3529bba
R13: 000000ece35274aa R14: 0000000000000001 R15: 000000ece35274aa
FS: 00007f53697d5700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31022000 CR3: 000000003e41c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hrtimer_forward_now include/linux/hrtimer.h:479 [inline]
perf_swevent_hrtimer+0x326/0x3e0 kernel/events/core.c:9242
__run_hrtimer kernel/time/hrtimer.c:1401 [inline]
__hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463
hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192
Code: c0 58 5b d2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 61 d0 94 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 86 15 0a fa 65 8b 05 bf 62 c4 78 85 c0 74 02 5d
RSP: 0018:ffff8880ae707dd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11a4b6b RBX: dffffc0000000000 RCX: 1ffff11002befded
RDX: dffffc0000000000 RSI: ffff888015f7ef48 RDI: ffff888015f7ef44
RBP: ffff8880ae723a40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85cba210
R13: ffff8880ae723a40 R14: ffff8880ae707e68 R15: 0000000000000000
expire_timers+0x238/0x4e0 kernel/time/timer.c:1374
__run_timers kernel/time/timer.c:1703 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1716
__do_softirq+0x26c/0x9a0 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:544 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__list_add_valid+0x10/0xa0 lib/list_debug.c:22
Code: 07 09 fe 48 89 ee 5d 48 c7 c7 20 0b cb 87 e9 47 fd ff ff 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 54 49 89 d4 55 <48> 89 fd 48 8d 7a 08 48 83 ec 08 48 89 fa 48 c1 ea 03 80 3c 02 00
RSP: 0018:ffff88821862fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff888015f7e6c0 RCX: 0000000000000000
RDX: ffff888015f7f860 RSI: ffff888015f7f860 RDI: ffff88801a4c8c58
RBP: ffff88801a4c8980 R08: 0000000000000000 R09: ffffed1002befefc
R10: ffff888015f7f7e7 R11: 0000000000000000 R12: ffff888015f7f860
R13: ffff88801a4c8c58 R14: ffff888015f7f868 R15: ffff888015f7f860
__list_add include/linux/list.h:60 [inline]
list_add_tail include/linux/list.h:93 [inline]
__do_sys_perf_event_open kernel/events/core.c:10913 [inline]
__se_sys_perf_event_open+0xf82/0x2720 kernel/events/core.c:10525
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d5b9
Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f53697d4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000024780 RCX: 000000000045d5b9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000700
RBP: 000000000118d030 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cfec
R13: 00007ffce171a14f R14: 00007f53697d59c0 R15: 000000000118cfec
systemd[1]: systemd-journald.service: Main process exited, code=killed, status=6/ABRT