INFO: task syz-executor.5:858 blocked for more than 143 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:25736 pid: 858 ppid: 6075 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
perf_event_free_task+0x518/0x6c0 kernel/events/core.c:12861
copy_process+0x4bea/0x75a0 kernel/fork.c:2458
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone3+0x1ca/0x2e0 kernel/fork.c:2857
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ffb004d6ae9
RSP: 002b:00007ffafda2b188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007ffb005ea020 RCX: 00007ffb004d6ae9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020008780
RBP: 00007ffb00530f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff3981c78f R14: 00007ffafda2b300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb81120 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
3 locks held by kworker/u4:5/1025:
2 locks held by kworker/1:2/1783:
#0: ffff8880b9d39b18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
#1: ffff8880b9d279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3a6/0x490 kernel/sched/psi.c:880
1 lock held by in:imklog/6460:
#0: ffff8880246f7630 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
2 locks held by kworker/0:2/26102:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd 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+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2961 Comm: systemd-journal Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:hlock_class kernel/locking/lockdep.c:199 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4725 [inline]
RIP: 0010:__lock_acquire+0x6f5/0x54a0 kernel/locking/lockdep.c:4977
Code: 20 66 81 e2 ff 1f 0f b7 da be 08 00 00 00 48 89 d8 48 c1 f8 06 48 8d 3c c5 00 4a f7 8f e8 a3 84 61 00 48 0f a3 1d 0b c2 9b 0e <0f> 82 3f ff ff ff 48 c7 c0 c0 29 4c 90 48 c1 e8 03 42 0f b6 14 38
RSP: 0018:ffffc90000007988 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 000000000000002d RCX: ffffffff815b87ed
RDX: fffffbfff1fee941 RSI: 0000000000000008 RDI: ffffffff8ff74a00
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8ff74a07
R10: fffffbfff1fee940 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880143da280 R14: ffff8880143dace0 R15: dffffc0000000000
FS: 00007fed0fb178c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed0cbde010 CR3: 00000000792ff000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:661
debug_work_activate kernel/workqueue.c:509 [inline]
__queue_work+0x5b9/0xee0 kernel/workqueue.c:1519
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1461 [inline]
__run_timers.part.0+0x49f/0xa20 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:prefetchw arch/x86/include/asm/processor.h:741 [inline]
RIP: 0010:slab_alloc mm/slab.c:3319 [inline]
RIP: 0010:kmem_cache_alloc+0x195/0x560 mm/slab.c:3507
Code: 0f 84 a2 01 00 00 4d 85 f6 4c 89 7c 24 08 0f 85 39 02 00 00 9c 58 f6 c4 02 0f 85 b1 02 00 00 4d 85 f6 74 01 fb 48 8b 74 24 08 <0f> 0d 0e 0f 1f 44 00 00 48 83 7b 50 00 0f 84 8e 00 00 00 44 23 25
RSP: 0018:ffffc90001a77e80 EFLAGS: 00000206
RAX: 0000000000000002 RBX: ffff88801150a600 RCX: 1ffffffff1b21739
RDX: 0000000000000000 RSI: ffff888098792080 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817d1748 R11: 000000000000001f R12: 0000000000000cc0
R13: 0000000000000cc0 R14: 0000000000000200 R15: ffff888098792080
getname_flags.part.0+0x50/0x4f0 fs/namei.c:138
getname_flags include/linux/audit.h:323 [inline]
getname fs/namei.c:217 [inline]
__do_sys_mkdir fs/namei.c:3929 [inline]
__se_sys_mkdir fs/namei.c:3927 [inline]
__x64_sys_mkdir+0xda/0x140 fs/namei.c:3927
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fed0edd2687
Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffcbd8e1198 EFLAGS: 00000293 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffcbd8e40b0 RCX: 00007fed0edd2687
RDX: 00007fed0f843a00 RSI: 00000000000001ed RDI: 000055842e25a8c0
RBP: 00007ffcbd8e11d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffcbd8e40b0 R15: 00007ffcbd8e16c0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 66 81 e2 ff 1f and $0x1fff,%dx
5: 0f b7 da movzwl %dx,%ebx
8: be 08 00 00 00 mov $0x8,%esi
d: 48 89 d8 mov %rbx,%rax
10: 48 c1 f8 06 sar $0x6,%rax
14: 48 8d 3c c5 00 4a f7 lea -0x7008b600(,%rax,8),%rdi
1b: 8f
1c: e8 a3 84 61 00 callq 0x6184c4
21: 48 0f a3 1d 0b c2 9b bt %rbx,0xe9bc20b(%rip) # 0xe9bc234
28: 0e
* 29: 0f 82 3f ff ff ff jb 0xffffff6e <-- trapping instruction
2f: 48 c7 c0 c0 29 4c 90 mov $0xffffffff904c29c0,%rax
36: 48 c1 e8 03 shr $0x3,%rax
3a: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx