------------[ cut here ]------------
WARNING: CPU: 0 PID: 15695 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 15695 Comm: syz.8.5012 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Code: ff e8 21 ee 37 00 90 0f 0b 90 e9 b2 fe ff ff e8 13 ee 37 00 eb 13 e8 0c ee 37 00 eb 0c e8 05 ee 37 00 eb 05 e8 fe ed 37 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: ffffffff816785dd RBX: 0000000000000100 RCX: ffff888042f40000
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff81677a08 R09: 1ffffffff2032f86
R10: dffffc0000000000 R11: ffffffff81678e10 R12: ffff88805fb39000
R13: ffff88805fb391c0 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007f360c3f96c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020036000 CR3: 0000000024418000 CR4: 00000000003526f0
DR0: 0000000000100000 DR1: 0000000000000005 DR2: 0000000000000005
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x187/0x650 kernel/time/timer.c:1793
 expire_timers kernel/time/timer.c:1839 [inline]
 __run_timers kernel/time/timer.c:2418 [inline]
 __run_timer_base+0x695/0x8e0 kernel/time/timer.c:2430
 run_timer_base kernel/time/timer.c:2439 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449
 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:queue_work_on+0x269/0x380 kernel/workqueue.c:2395
Code: 75 19 e8 1a fc 37 00 eb 18 e8 13 fc 37 00 e8 ce 02 61 0a 48 83 7c 24 10 00 74 e7 e8 01 fc 37 00 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 04 37 00 00 00 00 43 c7 44 37 09 00 00 00 00 66 43 c7 44 37
RSP: 0018:ffffc9000434f920 EFLAGS: 00000283
RAX: ffffffff816777ef RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000d53e000 RSI: 0000000000003f3d RDI: 0000000000003f3e
RBP: ffffc9000434fa20 R08: ffffffff816777bf R09: 1ffffffff2032f86
R10: dffffc0000000000 R11: fffffbfff2032f87 R12: 0000000000c00001
R13: 0000000000000046 R14: 1ffff92000869f28 R15: dffffc0000000000
 snd_rawmidi_output_trigger sound/core/rawmidi.c:213 [inline]
 snd_rawmidi_kernel_write1+0x4fb/0x5f0 sound/core/rawmidi.c:1573
 snd_rawmidi_write+0x5b3/0xb70 sound/core/rawmidi.c:1626
 vfs_write+0x2a3/0xd30 fs/read_write.c:677
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 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: 0033:0x7f360b585d29
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f360c3f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f360b775fa0 RCX: 00007f360b585d29
RDX: 00000000fffffd2c RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f360b601aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f360b775fa0 R15: 00007f360b89fa28
 </TASK>
----------------
Code disassembly (best guess):
   0:	75 19                	jne    0x1b
   2:	e8 1a fc 37 00       	call   0x37fc21
   7:	eb 18                	jmp    0x21
   9:	e8 13 fc 37 00       	call   0x37fc21
   e:	e8 ce 02 61 0a       	call   0xa6102e1
  13:	48 83 7c 24 10 00    	cmpq   $0x0,0x10(%rsp)
  19:	74 e7                	je     0x2
  1b:	e8 01 fc 37 00       	call   0x37fc21
  20:	fb                   	sti
  21:	48 c7 44 24 20 0e 36 	movq   $0x45e0360e,0x20(%rsp)
  28:	e0 45
* 2a:	4b c7 04 37 00 00 00 	movq   $0x0,(%r15,%r14,1) <-- trapping instruction
  31:	00
  32:	43 c7 44 37 09 00 00 	movl   $0x0,0x9(%r15,%r14,1)
  39:	00 00
  3b:	66                   	data16
  3c:	43                   	rex.XB
  3d:	c7                   	.byte 0xc7
  3e:	44 37                	rex.R (bad)