watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.2:25788]
Modules linked in:
irq event stamp: 30878
hardirqs last enabled at (30877): [<ffffffff81006673>] trace_hardirqs_on_thunk+0x1a/0x1c
hardirqs last disabled at (30878): [<ffffffff8100668f>] trace_hardirqs_off_thunk+0x1a/0x1c
softirqs last enabled at (2922): [<ffffffff856befc1>] sock_orphan include/net/sock.h:1800 [inline]
softirqs last enabled at (2922): [<ffffffff856befc1>] sk_common_release+0x171/0x330 net/core/sock.c:3036
softirqs last disabled at (2920): [<ffffffff856bef23>] sock_orphan include/net/sock.h:1796 [inline]
softirqs last disabled at (2920): [<ffffffff856bef23>] sk_common_release+0xd3/0x330 net/core/sock.c:3036
CPU: 0 PID: 25788 Comm: syz-executor.2 Not tainted 5.0.0-rc7+ #80
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:write_comp_data+0x68/0x70 kernel/kcov.c:146
Code: 00 00 4e 8d 14 dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 <c3> 0f 1f 80 00 00 00 00 55 40 0f b6 d6 40 0f b6 f7 31 ff 48 89 e5
RSP: 0018:ffff8880955276c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 1ffff11012aa4ee0 RCX: ffffffff816564fc
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffff8880955276d0 R08: ffff888099416580 R09: ffffed1015d25be9
R10: ffffed1015d25be8 R11: ffff8880ae92df47 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS: 0000000002299940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95331c0000 CR3: 000000004e6eb000 CR4: 00000000001426f0
Call Trace:
csd_lock_wait kernel/smp.c:108 [inline]
smp_call_function_single+0x14c/0x420 kernel/smp.c:302
smp_call_function_many+0x750/0x8c0 kernel/smp.c:434
smp_call_function+0x42/0x90 kernel/smp.c:492
on_each_cpu+0x31/0x200 kernel/smp.c:602
text_poke_bp+0xde/0x19b arch/x86/kernel/alternative.c:808
__jump_label_transform+0x263/0x330 arch/x86/kernel/jump_label.c:91
arch_jump_label_transform+0x2b/0x40 arch/x86/kernel/jump_label.c:99
__jump_label_update+0x16a/0x210 kernel/jump_label.c:389
jump_label_update kernel/jump_label.c:752 [inline]
jump_label_update+0x1ce/0x3d0 kernel/jump_label.c:731
__static_key_slow_dec_cpuslocked+0x61/0x150 kernel/jump_label.c:228
__static_key_slow_dec kernel/jump_label.c:238 [inline]
static_key_slow_dec+0x60/0xa0 kernel/jump_label.c:252
tracepoint_remove_func kernel/tracepoint.c:298 [inline]
tracepoint_probe_unregister+0x4ee/0x670 kernel/tracepoint.c:368
trace_event_reg+0x189/0x350 kernel/trace/trace_events.c:310
perf_trace_event_unreg.isra.0+0xbb/0x220 kernel/trace/trace_event_perf.c:157
perf_trace_destroy+0xc1/0x100 kernel/trace/trace_event_perf.c:238
tp_perf_event_destroy+0x16/0x20 kernel/events/core.c:8344
_free_event+0x356/0x1220 kernel/events/core.c:4446
put_event+0x47/0x60 kernel/events/core.c:4532
perf_event_release_kernel+0x68f/0xbf0 kernel/events/core.c:4638
perf_release+0x37/0x50 kernel/events/core.c:4648
__fput+0x2df/0x8d0 fs/file_table.c:278
____fput+0x16/0x20 fs/file_table.c:309
task_work_run+0x14a/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x411d31
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 94 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffc61a63a70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000000000a RCX: 0000000000411d31
RDX: 0000000000000000 RSI: 0000000000741008 RDI: 0000000000000009
RBP: 0000000000000000 R08: 0000000000741000 R09: 000000000024aa5e
R10: 00007ffc61a63990 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 000000000000010a R15: 0000000000000002
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 20596 Comm: kworker/1:5 Not tainted 5.0.0-rc7+ #80
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: rcu_gp process_srcu
RIP: 0010:delay_tsc+0x72/0xc0 arch/x86/lib/delay.c:66
Code: ae e8 0f 31 48 c1 e2 20 48 89 d3 48 09 c3 48 89 d8 4c 29 e0 4c 39 f0 73 24 bf 01 00 00 00 e8 55 dd 4c fa 65 8b 05 ee 17 01 79 <85> c0 75 bb e8 be 90 ff f9 eb b4 49 29 dc 4d 01 e6 eb 93 bf 01 00
RSP: 0018:ffff888044d07bb0 EFLAGS: 00000297
RAX: 0000000080000000 RBX: 00000553a83b50d2 RCX: 0000000000000000
RDX: 0000000000000004 RSI: ffffffff832b0a98 RDI: 0000000000000001
RBP: ffff888044d07bd0 R08: ffff8880860446c0 R09: 0000000000000040
R10: 0000000000000040 R11: ffffffff88a41827 R12: 00000553a83b4e68
R13: 0000000000000001 R14: 0000000000002ced R15: 00000000000025d9
FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000982c5000 CR4: 00000000001426e0
Call Trace:
__delay arch/x86/lib/delay.c:161 [inline]
__const_udelay+0x5f/0x80 arch/x86/lib/delay.c:175
try_check_zero+0x201/0x330 kernel/rcu/srcutree.c:730
srcu_advance_state kernel/rcu/srcutree.c:1167 [inline]
process_srcu+0x329/0xec0 kernel/rcu/srcutree.c:1261
process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
worker_thread+0x98/0xe40 kernel/workqueue.c:2319
kthread+0x357/0x430 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352