rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (10500 ticks this GP) idle=79b/1/0x4000000000000000 softirq=114363/114367 fqs=1
(t=10502 jiffies g=174445 q=596)
rcu: rcu_preempt kthread starved for 10501 jiffies! g174445 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 21265 Comm: syz-executor.3 Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:199
Code: 00 00 0f 1f 40 00 be 0d 00 00 00 48 c7 c7 60 af b5 8c e8 8f c7 4b 00 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 c0 6f 02 00 65 8b 15 84 f7 7d 7e f7 c2 00 01 ff 00
RSP: 0018:ffffc90000007470 EFLAGS: 00000046
RAX: ffffffff81a65977 RBX: 0000000000000000 RCX: ffff88814fb08000
RDX: ffff88814fb08000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81a65969 R09: fffffbfff1ff35dd
R10: fffffbfff1ff35dd R11: 0000000000000000 R12: ffffc90000007740
R13: ffff888087762340 R14: 0000000000000000 R15: ffffc900000075e6
FS: 00007fb2262e2700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb228dbab98 CR3: 00000001568cd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__perf_event_header__init_id+0x267/0x500 kernel/events/core.c:6812
perf_prepare_sample+0x10b/0x1770 kernel/events/core.c:7309
__perf_event_output kernel/events/core.c:7487 [inline]
perf_event_output_forward+0x176/0x2c0 kernel/events/core.c:7507
__perf_event_overflow+0x1f8/0x380 kernel/events/core.c:9207
perf_swevent_hrtimer+0x3d1/0x530 kernel/events/core.c:10600
__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+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: f1 52 fd ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 6e 64 51 f7 48 89 df e8 76 15 53 f7 e8 c1 6e 76 f7 fb bf 01 00 00 00 c6 6f 45 f7 65 8b 05 d7 c9 ed 75 85 c0 74 02 5b c3 e8 5c b1 eb
RSP: 0018:ffffc90000007cb0 EFLAGS: 00000282
RAX: bd42f31173d55f00 RBX: ffff8880b9a280c0 RCX: ffffffff90bb2903
RDX: dffffc0000000000 RSI: 0000000000000102 RDI: 0000000000000001
RBP: ffffc90000007e10 R08: ffffffff818b14d0 R09: ffffed1017345019
R10: ffffed1017345019 R11: 0000000000000000 R12: ffffffff883eb320
R13: dffffc0000000000 R14: ffff8880b9a28100 R15: ffff8880afe9b810
expire_timers kernel/time/timer.c:1465 [inline]
__run_timers+0x70a/0x910 kernel/time/timer.c:1734
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1747
__do_softirq+0x392/0x7a3 kernel/softirq.c:558
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:finish_lock_switch+0x1c5/0x350 kernel/sched/core.c:4733
Code: be ff ff ff ff e8 bb ab b5 08 85 c0 74 37 4d 85 e4 75 58 0f 1f 44 00 00 4c 89 ff e8 b5 54 b8 08 e8 00 c5 2e 00 fb 48 83 c4 10 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 4d 85 e4 0f 85 4a ff ff ff
RSP: 0018:ffffc9001e42fb88 EFLAGS: 00000286
RAX: bd42f31173d55f00 RBX: 1ffff11017347410 RCX: ffffffff90bb2903
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880b9a3a080 R08: ffffffff818b14d0 R09: ffffed10173472b9
R10: ffffed10173472b9 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b9a3a318 R14: dffffc0000000000 R15: ffff8880b9a395c0
finish_task_switch+0x140/0x630 kernel/sched/core.c:4850
context_switch kernel/sched/core.c:4975 [inline]
__schedule+0xb7a/0x1460 kernel/sched/core.c:6253
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6668
irqentry_exit+0x56/0x90 kernel/entry/common.c:425
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__fdget+0x1a6/0x210 fs/file.c:973
Code: 89 c3 e8 5d 31 a1 ff 48 83 cb 01 eb 15 e8 52 31 a1 ff eb 0c e8 4b 31 a1 ff eb 05 e8 44 31 a1 ff 31 db 48 89 d8 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc9001e42feb8 EFLAGS: 00000292
RAX: 0000000000000000 RBX: ffffc9001e42ff20 RCX: 0000000000040000
RDX: ffffc900104e1000 RSI: 0000000000000038 RDI: 0000000000000039
RBP: ffff8880a64eb480 R08: dffffc0000000000 R09: fffffbfff1bfd1ce
R10: fffffbfff1bfd1ce R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff11029f6110f R14: 00000000ffffffff R15: ffff88814fb08878
fdget include/linux/file.h:65 [inline]
__do_sys_ioctl fs/ioctl.c:862 [inline]
__se_sys_ioctl+0x20/0x170 fs/ioctl.c:860
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: 0033:0x7fb228d6cae9
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:00007fb2262e2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb228e7ff60 RCX: 00007fb228d6cae9
RDX: 000000002004db80 RSI: 0000000081f8943c RDI: ffffffffffffffff
RBP: 00007fb228dc6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd061b36cf R14: 00007fb2262e2300 R15: 0000000000022000
NMI backtrace for cpu 1
CPU: 1 PID: 21306 Comm: syz-executor.3 Not tainted 5.16.0-rc2-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_dump_cpu_stacks+0x22d/0x390 kernel/rcu/tree_stall.h:343
print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq+0x1e33/0x2bc0 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:1421
__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+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:memset_erms+0xb/0x10
Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
RSP: 0018:ffffc90000dc0bb8 EFLAGS: 00000202
RAX: ffffc90000dc0c00 RBX: ffffffff883eb320 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90000dc0c18
RBP: ffffc90000dc0cb0 R08: dffffc0000000000 R09: ffffc90000dc0c08
R10: fffff520001b8183 R11: 0000000000000000 R12: ffff8880ac710410
R13: ffffc90000dc0c00 R14: 0000000000000100 R15: 1ffff920001b817c
lockdep_copy_map include/linux/lockdep.h:45 [inline]
call_timer_fn+0xbd/0x210 kernel/time/timer.c:1411
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers+0x71a/0x910 kernel/time/timer.c:1734
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1747
__do_softirq+0x392/0x7a3 kernel/softirq.c:558
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:tomoyo_domain_quota_is_ok+0x291/0x5d0 security/tomoyo/util.c:1093
Code: 01 e9 89 c2 c1 ea 02 83 e2 01 01 ca 89 c1 c1 e9 03 83 e1 01 01 d1 89 c2 c1 ea 04 83 e2 01 01 ca 89 c1 c1 e9 05 83 e1 01 01 d1 <89> c2 c1 ea 06 83 e2 01 01 ca 89 c1 c1 e9 07 83 e1 01 01 d1 89 c2
RSP: 0018:ffffc9001e9ff9a0 EFLAGS: 00000202
RAX: 0000000000000010 RBX: ffff88806fd62e80 RCX: 0000000000000034
RDX: 0000000000000034 RSI: 0000000000001241 RDI: 0000000000001242
RBP: ffff88806fd62e9a R08: 0000000000000001 R09: ffffffff83decc4b
R10: 0000000000000007 R11: ffff88803b04d700 R12: ffff88801d4ebe10
R13: 0000000000000033 R14: dffffc0000000000 R15: ffffc9001e9ffcc0
tomoyo_supervisor+0x37e/0x1300 security/tomoyo/common.c:2089
tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline]
tomoyo_path_number_perm+0x563/0x7c0 security/tomoyo/file.c:734
security_file_ioctl+0x55/0xb0 security/security.c:1541
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x48/0x170 fs/ioctl.c:860
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: 0033:0x7fb228d6cae9
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:00007fb2262c1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb228e80020 RCX: 00007fb228d6cae9
RDX: 00000000200003c0 RSI: 0000000081f8943c RDI: 0000000000000004
RBP: 00007fb228dc6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd061b36cf R14: 00007fb2262c1300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 0f 1f 40 00 nopl 0x0(%rax)
6: be 0d 00 00 00 mov $0xd,%esi
b: 48 c7 c7 60 af b5 8c mov $0xffffffff8cb5af60,%rdi
12: e8 8f c7 4b 00 callq 0x4bc7a6
17: c3 retq
18: cc int3
19: cc int3
1a: cc int3
1b: cc int3
1c: cc int3
1d: cc int3
1e: cc int3
1f: cc int3
20: cc int3
21: cc int3
22: cc int3
23: cc int3
24: cc int3
25: cc int3
26: 48 8b 04 24 mov (%rsp),%rax
* 2a: 65 48 8b 0c 25 c0 6f mov %gs:0x26fc0,%rcx <-- trapping instruction
31: 02 00
33: 65 8b 15 84 f7 7d 7e mov %gs:0x7e7df784(%rip),%edx # 0x7e7df7be
3a: f7 c2 00 01 ff 00 test $0xff0100,%edx