watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:6030]
Modules linked in:
irq event stamp: 4070334
hardirqs last  enabled at (4070333): [<ffffffff84200c42>] asm_sysvec_apic_timer_interrupt+0x12/0x20
hardirqs last disabled at (4070334): [<ffffffff841402ab>] sysvec_apic_timer_interrupt+0xb/0xc0
softirqs last  enabled at (17078): [<ffffffff81167b73>] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (16531): [<ffffffff81167b73>] __irq_exit_rcu+0x113/0x170
CPU: 0 PID: 6030 Comm: syz-executor.2 Not tainted 5.18.0-rc4-next-20220426 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:lock_is_held_type+0xf8/0x130
Code: 80 be 66 84 e8 49 09 00 00 b8 ff ff ff ff 65 0f c1 05 f4 69 ee 7b 83 f8 01 75 22 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb c0 0f 0b 48
RSP: 0018:ffff8880220af6d8 EFLAGS: 00000286
RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffffff85203740 R08: 0000000000000000 R09: ffffffff858e8e57
R10: fffffbfff0b1d1ca R11: 0000000000000001 R12: ffff88801ad9d100
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801ad9dad0
FS:  00007f7cdde92700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30d27000 CR3: 000000003645e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 rcu_read_lock_sched_held+0x3a/0x70
 lock_release+0x543/0x750
 _raw_spin_unlock+0x12/0x40
 io_acct_cancel_pending_work+0x4c7/0x600
 io_wq_cancel_cb+0x1e7/0x9b0
 io_async_cancel_one+0xa6/0x100
 io_issue_sqe+0x20f7/0x97f0
 io_submit_sqes+0x15f0/0x85a0
 __do_sys_io_uring_enter+0x10ec/0x22a0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7ce091cb19
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:00007f7cdde92188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 00007f7ce0a2ff60 RCX: 00007f7ce091cb19
RDX: 0000000000000000 RSI: 0000000000007fd6 RDI: 0000000000000003
RBP: 00007f7ce0976f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffca078c2cf R14: 00007f7cdde92300 R15: 0000000000022000
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
hpet: Lost 2 RTC interrupts
----------------
Code disassembly (best guess):
   0:	80 be 66 84 e8 49 09 	cmpb   $0x9,0x49e88466(%rsi)
   7:	00 00                	add    %al,(%rax)
   9:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   e:	65 0f c1 05 f4 69 ee 	xadd   %eax,%gs:0x7bee69f4(%rip)        # 0x7bee6a0a
  15:	7b
  16:	83 f8 01             	cmp    $0x1,%eax
  19:	75 22                	jne    0x3d
  1b:	48 f7 04 24 00 02 00 	testq  $0x200,(%rsp)
  22:	00
  23:	74 01                	je     0x26
  25:	fb                   	sti
  26:	48 83 c4 08          	add    $0x8,%rsp
* 2a:	44 89 e8             	mov    %r13d,%eax <-- trapping instruction
  2d:	5b                   	pop    %rbx
  2e:	5d                   	pop    %rbp
  2f:	41 5c                	pop    %r12
  31:	41 5d                	pop    %r13
  33:	41 5e                	pop    %r14
  35:	41 5f                	pop    %r15
  37:	c3                   	retq
  38:	45 31 ed             	xor    %r13d,%r13d
  3b:	eb c0                	jmp    0xfffffffd
  3d:	0f 0b                	ud2
  3f:	48                   	rex.W