cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888021b88c00 submitted while active
WARNING: CPU: 0 PID: 4344 at drivers/usb/core/urb.c:378 usb_submit_urb+0xfec/0x1900 drivers/usb/core/urb.c:378
Modules linked in:
CPU: 0 PID: 4344 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:usb_submit_urb+0xfec/0x1900 drivers/usb/core/urb.c:378
Code: c8 a4 8a 89 ea e8 f4 a5 d3 03 e9 fb fb ff ff e8 aa fa a8 fb c6 05 9c 28 87 07 01 48 c7 c7 80 c6 a4 8a 48 89 de e8 74 d6 cf 03 <0f> 0b e9 8a f0 ff ff e8 88 fa a8 fb eb 21 e8 81 fa a8 fb 44 8b 6c
RSP: 0018:ffffc90000007780 EFLAGS: 00010046
RAX: 7a45b2db50c69b00 RBX: ffff888021b88c00 RCX: 0000000000040000
RDX: ffffc90002009000 RSI: 0000000000007d3e RDI: 0000000000007d3f
RBP: 000000000000000f R08: dffffc0000000000 R09: fffff52000000e55
R10: fffff52000000e55 R11: 1ffff92000000e54 R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff888021b88c08 R15: ffff88807772f048
FS:  00007f14fa213880(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f39d7be2d58 CR3: 000000001e4d7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 cm109_urb_irq_callback+0x728/0xc90 drivers/input/misc/cm109.c:422
 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1674
 dummy_timer+0x827/0x2e10 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:unwind_next_frame+0xa2/0x1d90 arch/x86/kernel/unwind_orc.c:433
Code: 85 b7 16 00 00 8b 03 85 c0 0f 84 f1 14 00 00 48 89 6c 24 18 89 44 24 7c 4c 89 ac 24 80 00 00 00 4c 89 64 24 58 4c 89 7c 24 48 <bf> 01 00 00 00 e8 54 f7 1c 00 4c 8d 7b 50 4c 89 f8 48 c1 e8 03 48
RSP: 0018:ffffc900034ef8a8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900034ef968 RCX: 0000000080000001
RDX: dffffc0000000000 RSI: ffffffff89c000ca RDI: ffffc900034ef968
RBP: ffffc900034ef9b0 R08: ffffc900034efa30 R09: 0000000000000009
R10: fffff5200069df39 R11: 1ffff9200069df37 R12: ffffffff89c000ca
R13: ffffc900034eff58 R14: dffffc0000000000 R15: 1ffff9200069df2d
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:46
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1710 [inline]
 slab_free_freelist_hook+0xea/0x170 mm/slub.c:1736
 slab_free mm/slub.c:3504 [inline]
 kmem_cache_free+0x8f/0x210 mm/slub.c:3520
 putname fs/namei.c:271 [inline]
 user_path_at_empty+0x13e/0x190 fs/namei.c:2893
 do_readlinkat+0xd4/0x480 fs/stat.c:442
 __do_sys_readlink fs/stat.c:475 [inline]
 __se_sys_readlink fs/stat.c:472 [inline]
 __x64_sys_readlink+0x7b/0x90 fs/stat.c:472
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f14fa36f3a7
Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48
RSP: 002b:00007ffd6d15cff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000059
RAX: ffffffffffffffda RBX: 00007ffd6d15d4d0 RCX: 00007f14fa36f3a7
RDX: 0000000000000400 RSI: 00007ffd6d15d000 RDI: 00007ffd6d15d4d0
RBP: 00007ffd6d15d000 R08: 00005586f6ed4f10 R09: 0000000000000020
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400
R13: 00007ffd6d15dd05 R14: 00005586ea660ca4 R15: 00005586ea660bcc
 </TASK>
----------------
Code disassembly (best guess):
   0:	85 b7 16 00 00 8b    	test   %esi,-0x74ffffea(%rdi)
   6:	03 85 c0 0f 84 f1    	add    -0xe7bf040(%rbp),%eax
   c:	14 00                	adc    $0x0,%al
   e:	00 48 89             	add    %cl,-0x77(%rax)
  11:	6c                   	insb   (%dx),%es:(%rdi)
  12:	24 18                	and    $0x18,%al
  14:	89 44 24 7c          	mov    %eax,0x7c(%rsp)
  18:	4c 89 ac 24 80 00 00 	mov    %r13,0x80(%rsp)
  1f:	00
  20:	4c 89 64 24 58       	mov    %r12,0x58(%rsp)
  25:	4c 89 7c 24 48       	mov    %r15,0x48(%rsp)
* 2a:	bf 01 00 00 00       	mov    $0x1,%edi <-- trapping instruction
  2f:	e8 54 f7 1c 00       	call   0x1cf788
  34:	4c 8d 7b 50          	lea    0x50(%rbx),%r15
  38:	4c 89 f8             	mov    %r15,%rax
  3b:	48 c1 e8 03          	shr    $0x3,%rax
  3f:	48                   	rex.W