------------[ cut here ]------------
WARNING: CPU: 0 PID: 18972 at kernel/workqueue.c:1726 is_chained_work kernel/workqueue.c:1672 [inline]
WARNING: CPU: 0 PID: 18972 at kernel/workqueue.c:1726 __queue_work+0xd49/0x1020 kernel/workqueue.c:1725
Modules linked in:
CPU: 0 PID: 18972 Comm: syz.3.3737 Not tainted 6.6.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__queue_work+0xd49/0x1020 kernel/workqueue.c:1725
Code: 4c 89 f7 48 89 de 89 e9 e8 d4 e3 00 00 48 8b 5c 24 10 e9 10 ff ff ff e8 75 38 2f 00 eb 0c e8 6e 38 2f 00 eb 05 e8 67 38 2f 00 <0f> 0b 48 83 c4 78 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 51 38 2f 00
RSP: 0018:ffffc90000007b10 EFLAGS: 00010046
RAX: ffffffff81565d5b RBX: 0000000000000100 RCX: ffff88802c341e00
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: ffff88806522adc0 R08: ffffffff8e49ab2f R09: 1ffffffff1c93565
R10: dffffc0000000000 R11: fffffbfff1c93566 R12: 0000000000000008
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88806522ac00
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e820000 CR3: 000000007c6d6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x16e/0x530 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1746 [inline]
 __run_timers+0x558/0x7d0 kernel/time/timer.c:2022
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__sanitizer_cov_trace_switch+0x6c/0x120 kernel/kcov.c:349
Code: 83 f9 07 0f 85 cb 00 00 00 b9 07 00 00 00 48 85 c0 75 13 e9 bc 00 00 00 b9 01 00 00 00 48 85 c0 0f 84 ae 00 00 00 41 57 41 56 <41> 54 53 48 8b 54 24 20 65 4c 8b 05 f4 1e 7e 7e 45 31 c9 eb 08 49
RSP: 0018:ffffc9000454ee00 EFLAGS: 00000206
RAX: 0000000000000003 RBX: ffffffff8ecd4804 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff8cb9e160 RDI: 0000000000000001
RBP: ffffc9000454ef38 R08: ffffc9000454ef47 R09: 0000000000000000
R10: ffffc9000454ef38 R11: fffff520008a9de9 R12: ffffc9000454eee8
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffffff8ecd4808
 unwind_next_frame+0x16d9/0x2970 arch/x86/kernel/unwind_orc.c:641
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 save_stack+0xf7/0x1f0 mm/page_owner.c:128
 __reset_page_owner+0x4e/0x190 mm/page_owner.c:149
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1154 [inline]
 free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336
 free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2475
 release_pages+0x1fa0/0x2220 mm/swap.c:1022
 __folio_batch_release+0x71/0xe0 mm/swap.c:1042
 folio_batch_release include/linux/pagevec.h:83 [inline]
 shmem_undo_range+0x5d0/0x1a40 mm/shmem.c:1027
 shmem_truncate_range mm/shmem.c:1136 [inline]
 shmem_evict_inode+0x273/0xa70 mm/shmem.c:1265
 evict+0x486/0x870 fs/inode.c:705
 __dentry_kill+0x431/0x650 fs/dcache.c:611
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xfe/0x1e0 fs/dcache.c:918
 __fput+0x5e5/0x970 fs/file_table.c:392
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x903/0x23c0 kernel/exit.c:874
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1023
 get_signal+0x12fc/0x1400 kernel/signal.c:2902
 arch_do_signal_or_restart+0x96/0x780 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f36d078e929
Code: Unable to access opcode bytes at 0x7f36d078e8ff.
RSP: 002b:00007f36d15c2038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: 0000000000010106 RBX: 00007f36d09b6080 RCX: 00007f36d078e929
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f36d0810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f36d09b6080 R15: 00007fffacb33958
 </TASK>
----------------
Code disassembly (best guess):
   0:	83 f9 07             	cmp    $0x7,%ecx
   3:	0f 85 cb 00 00 00    	jne    0xd4
   9:	b9 07 00 00 00       	mov    $0x7,%ecx
   e:	48 85 c0             	test   %rax,%rax
  11:	75 13                	jne    0x26
  13:	e9 bc 00 00 00       	jmp    0xd4
  18:	b9 01 00 00 00       	mov    $0x1,%ecx
  1d:	48 85 c0             	test   %rax,%rax
  20:	0f 84 ae 00 00 00    	je     0xd4
  26:	41 57                	push   %r15
  28:	41 56                	push   %r14
* 2a:	41 54                	push   %r12 <-- trapping instruction
  2c:	53                   	push   %rbx
  2d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  32:	65 4c 8b 05 f4 1e 7e 	mov    %gs:0x7e7e1ef4(%rip),%r8        # 0x7e7e1f2e
  39:	7e
  3a:	45 31 c9             	xor    %r9d,%r9d
  3d:	eb 08                	jmp    0x47
  3f:	49                   	rex.WB