cm109 3-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88807ced2f00 submitted while active
WARNING: CPU: 0 PID: 11844 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 11844 Comm: syz.2.1392 Not tainted 6.6.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379
Code: 04 00 00 eb 58 e8 1b f1 36 fb e9 1a f1 ff ff e8 11 f1 36 fb c6 05 70 88 e6 07 01 48 c7 c7 00 c6 4a 8b 48 89 de e8 3b 66 01 fb <0f> 0b e9 e5 f0 ff ff e8 ef f0 36 fb eb 11 e8 e8 f0 36 fb bd 80 00
RSP: 0018:ffffc90000007860 EFLAGS: 00010046
RAX: 756fb41132d20500 RBX: ffff88807ced2f00 RCX: 0000000000040000
RDX: ffffc900020a2000 RSI: 0000000000007bb4 RDI: 0000000000007bb5
RBP: 000000000000000f R08: ffff8880b8e28c13 R09: 1ffff110171c5182
R10: dffffc0000000000 R11: ffffed10171c5183 R12: 1ffff1100fabe40a
R13: dffffc0000000000 R14: ffff88807ced2f08 R15: 0000000000000820
FS:  0000555567f54500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c380017 CR3: 0000000064866000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 cm109_urb_irq_callback+0x72c/0xc90 drivers/input/misc/cm109.c:422
 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650
 dummy_timer+0x8a3/0x31b0 drivers/usb/gadget/udc/dummy_hcd.c:1993
 __run_hrtimer kernel/time/hrtimer.c:1755 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
 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+0x28/0x120 kernel/kcov.c:-1
Code: c3 90 f3 0f 1e fa 48 8b 06 48 8b 4e 08 48 83 c1 f8 48 c1 c1 3d 48 83 f9 02 7f 1e 48 85 c9 74 3c 48 83 f9 01 0f 85 ee 00 00 00 <b9> 03 00 00 00 48 85 c0 75 36 e9 df 00 00 00 48 83 f9 03 0f 84 c7
RSP: 0018:ffffc9000bd8f550 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffffffff8f69606a RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8cb9e500 RDI: 0000000000000002
RBP: ffffc9000bd8f678 R08: ffffc9000bd8f6f0 R09: 0000000000000007
R10: 0000000000000004 R11: 0000000000000000 R12: ffffc9000bd8f628
R13: dffffc0000000000 R14: 0000000000000002 R15: ffffffff8f69606f
 unwind_next_frame+0x655/0x2970 arch/x86/kernel/unwind_orc.c:505
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4e/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
 slab_alloc_node mm/slub.c:3485 [inline]
 kmem_cache_alloc_node+0x150/0x330 mm/slub.c:3530
 kmalloc_reserve+0x95/0x260 net/core/skbuff.c:559
 __alloc_skb+0x138/0x2c0 net/core/skbuff.c:650
 alloc_skb include/linux/skbuff.h:1284 [inline]
 alloc_uevent_skb+0x7d/0x230 lib/kobject_uevent.c:290
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x2e6/0x530 lib/kobject_uevent.c:409
 kobject_uevent_env+0x550/0x8c0 lib/kobject_uevent.c:608
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x468/0x7a0 drivers/base/dd.c:1295
 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1358
 bus_remove_driver+0x221/0x2f0 drivers/base/bus.c:744
 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1716
 raw_release+0xda/0x260 drivers/usb/gadget/legacy/raw_gadget.c:415
 __fput+0x234/0x970 fs/file_table.c:384
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 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: 0033:0x7f6357f8eb69
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:00007ffeb9dd29e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000be3d2 RCX: 00007f6357f8eb69
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f63581b7ba0 R08: 0000000000000001 R09: 00000006b9dd2cdf
R10: 00007f6357c00000 R11: 0000000000000246 R12: 00007f63581b5fac
R13: 00007f63581b5fa0 R14: ffffffffffffffff R15: 00007ffeb9dd2b00
 </TASK>
----------------
Code disassembly (best guess):
   0:	c3                   	ret
   1:	90                   	nop
   2:	f3 0f 1e fa          	endbr64
   6:	48 8b 06             	mov    (%rsi),%rax
   9:	48 8b 4e 08          	mov    0x8(%rsi),%rcx
   d:	48 83 c1 f8          	add    $0xfffffffffffffff8,%rcx
  11:	48 c1 c1 3d          	rol    $0x3d,%rcx
  15:	48 83 f9 02          	cmp    $0x2,%rcx
  19:	7f 1e                	jg     0x39
  1b:	48 85 c9             	test   %rcx,%rcx
  1e:	74 3c                	je     0x5c
  20:	48 83 f9 01          	cmp    $0x1,%rcx
  24:	0f 85 ee 00 00 00    	jne    0x118
* 2a:	b9 03 00 00 00       	mov    $0x3,%ecx <-- trapping instruction
  2f:	48 85 c0             	test   %rax,%rax
  32:	75 36                	jne    0x6a
  34:	e9 df 00 00 00       	jmp    0x118
  39:	48 83 f9 03          	cmp    $0x3,%rcx
  3d:	0f                   	.byte 0xf
  3e:	84 c7                	test   %al,%bh