------------[ cut here ]------------
WARNING: CPU: 0 PID: 7821 at kernel/workqueue.c:1453 __queue_work+0xbaf/0xd00
Modules linked in:
CPU: 0 PID: 7821 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__queue_work+0xbaf/0xd00 kernel/workqueue.c:1453
Code: 7c 24 10 e8 d3 61 77 00 e9 1c fd ff ff e8 b9 97 2d 00 89 ee 48 c7 c7 a0 18 7d 8c e8 bb 66 d8 02 e9 64 fc ff ff e8 a1 97 2d 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8b 97 2d 00
RSP: 0018:ffffc90000007b18 EFLAGS: 00010046
RAX: ffffffff8152c2cf RBX: 00000000000b0012 RCX: ffff8880233f3b80
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff8153a605 R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880793a0800 R14: 0000000000000008 R15: 00000000ffffd401
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f617d16950 CR3: 000000007d769000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1491 [inline]
 __run_timers+0x6a8/0x890 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__read_once_word_nocheck+0x0/0x10 include/asm-generic/rwonce.h:67
Code: e1 07 38 c1 0f 8c dc fc ff ff 48 89 df e8 a8 74 91 00 48 ba 00 00 00 00 00 fc ff df e9 c5 fc ff ff 66 0f 1f 84 00 00 00 00 00 <48> 8b 07 c3 cc cc cc cc cc cc cc cc cc cc cc cc 31 c0 81 ff 03 00
RSP: 0018:ffffc90002f673a0 EFLAGS: 00000283
RAX: ffffc90002f67f58 RBX: ffffc90002f67f50 RCX: ffffffff8e56a2c0
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffc90002f67f50
RBP: ffffc90002f68000 R08: 000000000000000b R09: ffffc90002f67550
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1ddd242
R13: 1ffffffff1ddd242 R14: ffffc90002f60000 R15: ffffc90002f67460
 deref_stack_reg arch/x86/kernel/unwind_orc.c:360 [inline]
 unwind_next_frame+0xb35/0x1fa0 arch/x86/kernel/unwind_orc.c:539
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:119
 __reset_page_owner+0x52/0x180 mm/page_owner.c:140
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1340 [inline]
 free_pcp_prepare mm/page_alloc.c:1391 [inline]
 free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
 __vunmap+0x8d4/0xa20 mm/vmalloc.c:2621
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x27/0x50 kernel/kcov.c:519
 __fput+0x3fe/0x8e0 fs/file_table.c:280
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:874
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2897
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2fef246a3c
Code: Unable to access opcode bytes at RIP 0x7f2fef246a12.
RSP: 002b:00007ffc66437d60 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 00007f2fef246a3c
RDX: 0000000000000028 RSI: 00007ffc66437e10 RDI: 00000000000000f9
RBP: 00007ffc66437dbc R08: 0000000000000000 R09: 0079746972756365
R10: 00007f2fef3d27e0 R11: 0000000000000246 R12: 0000000000000064
R13: 000000000002ba19 R14: 000000000002ba04 R15: 00007ffc66437e10
 </TASK>
----------------
Code disassembly (best guess):
   0:	e1 07                	loope  0x9
   2:	38 c1                	cmp    %al,%cl
   4:	0f 8c dc fc ff ff    	jl     0xfffffce6
   a:	48 89 df             	mov    %rbx,%rdi
   d:	e8 a8 74 91 00       	call   0x9174ba
  12:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  19:	fc ff df
  1c:	e9 c5 fc ff ff       	jmp    0xfffffce6
  21:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  28:	00 00
* 2a:	48 8b 07             	mov    (%rdi),%rax <-- trapping instruction
  2d:	c3                   	ret
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	cc                   	int3
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	31 c0                	xor    %eax,%eax
  3c:	81                   	.byte 0x81
  3d:	ff 03                	incl   (%rbx)