------------[ cut here ]------------
WARNING: CPU: 0 PID: 5965 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 5965 Comm: syz-executor Not tainted 6.14.0-rc3-syzkaller-g9aa8fe29f624 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Code: ff e8 e1 af 38 00 90 0f 0b 90 e9 b2 fe ff ff e8 d3 af 38 00 eb 13 e8 cc af 38 00 eb 0c e8 c5 af 38 00 eb 05 e8 be af 38 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90000007b08 EFLAGS: 00010046
RAX: ffffffff818915cd RBX: 0000000000000100 RCX: ffff88802910bc00
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff818909f8 R09: 1ffffffff207a0ae
R10: dffffc0000000000 R11: ffffffff81891e00 R12: ffff88807ebd6000
R13: ffff88807ebd61c0 R14: dffffc0000000000 R15: 0000000000000008
FS:  000055555dd25500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb70a5edb48 CR3: 000000004a26c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x187/0x650 kernel/time/timer.c:1789
 expire_timers kernel/time/timer.c:1835 [inline]
 __run_timers kernel/time/timer.c:2414 [inline]
 __run_timer_base+0x695/0x8e0 kernel/time/timer.c:2426
 run_timer_base kernel/time/timer.c:2435 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0x83b/0x22d0 arch/x86/kernel/unwind_orc.c:521
Code: 80 3c 20 00 74 0d 48 89 df e8 51 5d bc 00 48 8b 54 24 10 48 8b 03 48 89 04 24 48 8d 5a 01 48 89 d0 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 90 16 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0
RSP: 0018:ffffc90003c17870 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff90c61531 RCX: ffffffff904f6614
RDX: ffffffff90c61530 RSI: ffffffff90c61530 RDI: ffffffff816d1530
RBP: ffffc90003c179f0 R08: 0000000000000007 R09: 0000000000000000
R10: ffffc90003c179f0 R11: fffff52000782f40 R12: dffffc0000000000
R13: ffffc90003c179a0 R14: ffffc90003c179d8 R15: ffffffff90c61534
 __unwind_start+0x59a/0x740 arch/x86/kernel/unwind_orc.c:760
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xe5/0x150 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47
 kasan_record_aux_stack+0xaa/0xc0 mm/kasan/generic.c:548
 __call_rcu_common kernel/rcu/tree.c:3065 [inline]
 call_rcu+0x168/0xac0 kernel/rcu/tree.c:3172
 slab_free_hook mm/slub.c:2317 [inline]
 slab_free mm/slub.c:4609 [inline]
 kmem_cache_free+0x30e/0x410 mm/slub.c:4711
 __do_sys_close fs/open.c:1580 [inline]
 __se_sys_close fs/open.c:1565 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1565
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f653ff8bdca
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 43 91 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 a3 91 02 00 8b 44 24
RSP: 002b:00007ffe4bf615a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f653ff8bdca
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007ffe4bf615fc R08: 00007ffe4bf60f1c R09: 00007ffe4bf61307
R10: 00007ffe4bf60f70 R11: 0000000000000293 R12: 00000000000013af
R13: 00000000000927c0 R14: 0000000000050b2a R15: 00007ffe4bf61650
 </TASK>
----------------
Code disassembly (best guess):
   0:	80 3c 20 00          	cmpb   $0x0,(%rax,%riz,1)
   4:	74 0d                	je     0x13
   6:	48 89 df             	mov    %rbx,%rdi
   9:	e8 51 5d bc 00       	call   0xbc5d5f
   e:	48 8b 54 24 10       	mov    0x10(%rsp),%rdx
  13:	48 8b 03             	mov    (%rbx),%rax
  16:	48 89 04 24          	mov    %rax,(%rsp)
  1a:	48 8d 5a 01          	lea    0x1(%rdx),%rbx
  1e:	48 89 d0             	mov    %rdx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax
* 2a:	84 c0                	test   %al,%al <-- trapping instruction
  2c:	0f 85 90 16 00 00    	jne    0x16c2
  32:	48 89 d8             	mov    %rbx,%rax
  35:	48 c1 e8 03          	shr    $0x3,%rax
  39:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax
  3e:	84 c0                	test   %al,%al