rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (1 GPs behind) idle=5ee/1/0x4000000000000002 softirq=361291/361292 fqs=5250
rcu: (t=10502 jiffies g=489533 q=2440)
NMI backtrace for cpu 0
CPU: 0 PID: 2955 Comm: kworker/0:2 Not tainted 4.20.0+ #362
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events xfrm_hash_rebuild
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1d3/0x2c6 lib/dump_stack.c:113
nmi_cpu_backtrace.cold.4+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1c2/0x22c lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1211
print_cpu_stall.cold.68+0x218/0x40a kernel/rcu/tree.c:1348
check_cpu_stall kernel/rcu/tree.c:1422 [inline]
rcu_pending kernel/rcu/tree.c:3018 [inline]
rcu_check_callbacks+0xac1/0x1410 kernel/rcu/tree.c:2521
update_process_times+0x2d/0x70 kernel/time/timer.c:1635
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:161
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1271
__run_hrtimer kernel/time/hrtimer.c:1389 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1451
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1509
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1060
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline]
RIP: 0010:write_comp_data+0x14/0x70 kernel/kcov.c:122
Code: e9 6d fc ff ff e8 ec 8f c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 65 8b 05 3c 48 80 7e 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83 f8 03 75 45 49 8b 80
RSP: 0018:ffff88809eb77320 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000201 RBX: 000000000000000b RCX: ffffffff86c1bd7b
RDX: 000000000000000b RSI: 000000000000000e RDI: 0000000000000005
RBP: ffff88809eb77320 R08: ffff88809eb266c0 R09: 0000000000000008
R10: 0000000000000005 R11: ffff88809eb266c0 R12: dffffc0000000000
R13: ffff88806c3b89f4 R14: ffff88808bfe7334 R15: 000000000080000a
__sanitizer_cov_trace_const_cmp4+0x16/0x20 kernel/kcov.c:188
selector_cmp net/xfrm/xfrm_policy.c:1390 [inline]
xfrm_policy_insert_list+0x62b/0x1020 net/xfrm/xfrm_policy.c:1534
xfrm_policy_inexact_insert+0x166/0xee0 net/xfrm/xfrm_policy.c:1195
xfrm_hash_rebuild+0xfc1/0x1380 net/xfrm/xfrm_policy.c:1317
process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352