------------[ cut here ]------------
WARNING: CPU: 0 PID: 7095 at kernel/workqueue.c:1441 __queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Modules linked in:
CPU: 0 PID: 7095 Comm: syz.6.718 Not tainted 6.1.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:__queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Code: e9 9d fc ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c c7 fc ff ff 48 8b 3c 24 e8 9d 25 7f 00 e9 b9 fc ff ff e8 73 b7 2d 00 <0f> 0b 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 5d b7 2d 00
RSP: 0018:ffffc90000007ae8 EFLAGS: 00010046
RAX: ffffffff81530c2d RBX: 0000000000010000 RCX: ffff888073a05940
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1bfcf4e
R10: fffffbfff1bfcf4e R11: 1ffffffff1bfcf4d R12: ffff888078a8a000
R13: ffff888078a8a1c0 R14: 0000000000000008 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe28745d78 CR3: 000000000c68e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1544 [inline]
 __run_timers+0x550/0x7c0 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:661
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4e 5b 4a f7 48 89 df e8 a6 20 4b f7 e8 b1 22 6e f7 fb bf 01 00 00 00 <e8> b6 9d 3e f7 65 8b 05 b7 72 e9 75 85 c0 74 02 5b c3 e8 04 84 e7
RSP: 0018:ffffc900035bf6e8 EFLAGS: 00000282
RAX: 5444a68a1df19c00 RBX: ffff88813ff7a050 RCX: 5444a68a1df19c00
RDX: dffffc0000000000 RSI: ffffffff8a6bff00 RDI: 0000000000000001
RBP: ffff8880b8e35f80 R08: dffffc0000000000 R09: fffffbfff2116e51
R10: fffffbfff2116e51 R11: 1ffffffff2116e50 R12: dffffc0000000000
R13: 1ffff110171c6bf0 R14: ffffea0001cb6440 R15: ffff8880b8e35ff8
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 unlock_page_lruvec_irq include/linux/memcontrol.h:1605 [inline]
 mlock_pagevec+0x896c/0x90f0 mm/mlock.c:208
 munlock_page+0x367/0x8a0 mm/mlock.c:304
 zap_pte_range mm/memory.c:1453 [inline]
 zap_pmd_range mm/memory.c:1574 [inline]
 zap_pud_range mm/memory.c:1603 [inline]
 zap_p4d_range mm/memory.c:1624 [inline]
 unmap_page_range+0x1149/0x2500 mm/memory.c:1645
 unmap_vmas+0x22c/0x330 mm/memory.c:1730
 exit_mmap+0x1cc/0x8e0 mm/mmap.c:3238
 __mmput+0x118/0x3c0 kernel/fork.c:1200
 exit_mm+0x1e6/0x2c0 kernel/exit.c:565
 do_exit+0x8b9/0x2400 kernel/exit.c:858
 do_group_exit+0x217/0x2d0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efdcf78e969
Code: Unable to access opcode bytes at 0x7efdcf78e93f.
RSP: 002b:00007ffed12480e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efdcf78e969
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffed124814c R08: 00000005d12481df R09: 00000000000927c0
R10: 0000000000008cec R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 0000000000033076 R15: 00007ffed12481a0
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	0f 1f 00             	nopl   (%rax)
   3:	53                   	push   %rbx
   4:	48 89 fb             	mov    %rdi,%rbx
   7:	48 83 c7 18          	add    $0x18,%rdi
   b:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  10:	e8 4e 5b 4a f7       	call   0xf74a5b63
  15:	48 89 df             	mov    %rbx,%rdi
  18:	e8 a6 20 4b f7       	call   0xf74b20c3
  1d:	e8 b1 22 6e f7       	call   0xf76e22d3
  22:	fb                   	sti
  23:	bf 01 00 00 00       	mov    $0x1,%edi
* 28:	e8 b6 9d 3e f7       	call   0xf73e9de3 <-- trapping instruction
  2d:	65 8b 05 b7 72 e9 75 	mov    %gs:0x75e972b7(%rip),%eax        # 0x75e972eb
  34:	85 c0                	test   %eax,%eax
  36:	74 02                	je     0x3a
  38:	5b                   	pop    %rbx
  39:	c3                   	ret
  3a:	e8                   	.byte 0xe8
  3b:	04 84                	add    $0x84,%al
  3d:	e7                   	.byte 0xe7