rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=617/1/0x4000000000000000 softirq=125035/125039 fqs=2510
(detected by 1, t=10502 jiffies, g=192969, q=961)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15781 Comm: syz-executor.4 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_lock_acquire+0x43/0x190 include/trace/events/lock.h:13
Code: 08 0f 83 88 00 00 00 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 28 96 fe 8d be 08 00 00 00 e8 95 6f 6a 00 48 0f a3 1d 05 97 98 0c <73> 21 65 83 05 9b 70 9c 7e 01 48 8b 05 d4 90 85 0c e8 a7 2b 08 00
RSP: 0018:ffffc90000007a58 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8165ff1b
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8dfe9628
RBP: ffffc90000007be8 R08: dffffc0000000000 R09: fffffbfff1bfd2c6
R10: fffffbfff1bfd2c6 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000000f5c R14: 0000000000000000 R15: dffffc0000000000
FS: 00007f7039d06700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc4b3522fc8 CR3: 0000000042317000 CR4: 00000000003526f0
DR0: 0080ffff00000000 DR1: 0080ffff00000000 DR2: 0080ffff00000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0xa5/0x4d0 kernel/locking/lockdep.c:5608
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
debug_object_activate+0x97/0x6a0 lib/debugobjects.c:661
debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
debug_activate kernel/time/hrtimer.c:475 [inline]
enqueue_hrtimer kernel/time/hrtimer.c:1084 [inline]
__run_hrtimer kernel/time/hrtimer.c:1702 [inline]
__hrtimer_run_queues+0x594/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 a2 47 bb f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 67 0f 45 f7 65 8b 05 38 4a ed 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900039d7ce0 EFLAGS: 00000206
RAX: 4b19ebb4228d7600 RBX: 1ffff9200073afa0 RCX: ffffffff90bb4903
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc900039d7d70 R08: ffffffff818b3610 R09: fffffbfff1966081
R10: fffffbfff1966081 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff9200073af9c R14: ffffc900039d7d00 R15: 0000000000000246
do_settimeofday64+0x60e/0x7a0 kernel/time/timekeeping.c:1324
__do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline]
__x64_sys_clock_settime+0x23d/0x280 kernel/time/posix-timers.c:1067
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f703b390e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7039d06168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f703b4a3f60 RCX: 00007f703b390e99
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f703b3eaff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc86ebe24f R14: 00007f7039d06300 R15: 0000000000022000
rcu: rcu_preempt kthread starved for 5480 jiffies! g192969 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:26576 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1881
rcu_gp_fqs_loop+0x1fd/0x770 kernel/rcu/tree.c:1955
rcu_gp_kthread+0xa5/0x350 kernel/rcu/tree.c:2128
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 13873 Comm: syz-executor.3 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_check_gp_kthread_starvation+0x1ff/0x270 kernel/rcu/tree_stall.h:481
print_other_cpu_stall kernel/rcu/tree_stall.h:586 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:729 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq+0x23d5/0x2bc0 kernel/rcu/tree.c:2597
update_process_times+0x197/0x200 kernel/time/timer.c:1785
tick_sched_handle kernel/time/tick-sched.c:226 [inline]
tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1428
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xbb7/0xda0 kernel/smp.c:969
Code: e8 fe b7 0b 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0e e8 d9 b3 0b 00 eb 4c 0f 1f 80 00 00 00 00 f3 90 42 0f b6 04 3b <84> c0 75 11 41 f7 45 00 01 00 00 00 74 2b e8 b6 b3 0b 00 eb e4 44
RSP: 0018:ffffc90002b9f380 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff1101734831d RCX: ffff888018321d00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002b9f4c0 R08: ffffffff8178e582 R09: ffffffff844a5860
R10: 0000000000000009 R11: ffff888018321d00 R12: 0000000000000000
R13: ffff8880b9a418e8 R14: ffff8880b9b3a640 R15: dffffc0000000000
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1112 [inline]
text_poke_bp_batch+0x310/0x940 arch/x86/kernel/alternative.c:1297
text_poke_flush arch/x86/kernel/alternative.c:1451 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1458
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_disable_cpuslocked+0xcc/0x1b0 kernel/jump_label.c:207
static_key_disable+0x16/0x20 kernel/jump_label.c:215
tracepoint_remove_func kernel/tracepoint.c:417 [inline]
tracepoint_probe_unregister+0x730/0x9c0 kernel/tracepoint.c:551
trace_event_reg+0x215/0x250
perf_trace_event_unreg+0xaf/0x220 kernel/trace/trace_event_perf.c:162
perf_trace_destroy+0x93/0xb0 kernel/trace/trace_event_perf.c:243
_free_event+0x874/0xe50 kernel/events/core.c:4982
put_event kernel/events/core.c:5076 [inline]
perf_event_release_kernel+0x86f/0x900 kernel/events/core.c:5191
perf_release+0x37/0x40 kernel/events/core.c:5201
__fput+0x3fc/0x870 fs/file_table.c:280
task_work_run+0x146/0x1c0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0x705/0x24f0 kernel/exit.c:832
do_group_exit+0x168/0x2d0 kernel/exit.c:929
get_signal+0x1740/0x2120 kernel/signal.c:2852
arch_do_signal_or_restart+0x9c/0x730 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x191/0x220 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:300
do_syscall_64+0x53/0xd0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff5434aee99
Code: Unable to access opcode bytes at RIP 0x7ff5434aee6f.
RSP: 002b:00007ff541e24218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007ff5435c1f68 RCX: 00007ff5434aee99
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff5435c1f68
RBP: 00007ff5435c1f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5435c1f6c
R13: 00007ffec7be7e8f R14: 00007ff541e24300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 08 0f or %cl,(%rdi)
2: 83 88 00 00 00 89 c3 orl $0xffffffc3,-0x77000000(%rax)
9: 48 89 d8 mov %rbx,%rax
c: 48 c1 e8 06 shr $0x6,%rax
10: 48 8d 3c c5 28 96 fe lea -0x720169d8(,%rax,8),%rdi
17: 8d
18: be 08 00 00 00 mov $0x8,%esi
1d: e8 95 6f 6a 00 callq 0x6a6fb7
22: 48 0f a3 1d 05 97 98 bt %rbx,0xc989705(%rip) # 0xc98972f
29: 0c
* 2a: 73 21 jae 0x4d <-- trapping instruction
2c: 65 83 05 9b 70 9c 7e addl $0x1,%gs:0x7e9c709b(%rip) # 0x7e9c70cf
33: 01
34: 48 8b 05 d4 90 85 0c mov 0xc8590d4(%rip),%rax # 0xc85910f
3b: e8 a7 2b 08 00 callq 0x82be7