cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88807d9b8500 submitted while active
WARNING: CPU: 0 PID: 6920 at drivers/usb/core/urb.c:379 usb_submit_urb+0xff0/0x1910 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 6920 Comm: syz.1.612 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:usb_submit_urb+0xff0/0x1910 drivers/usb/core/urb.c:379
Code: 41 2e 8b 89 ea e8 96 9b fa 03 e9 f7 fb ff ff e8 b6 23 6b fb c6 05 94 69 f5 07 01 48 c7 c7 20 3f 2e 8b 48 89 de e8 b0 4f 37 fb <0f> 0b e9 86 f0 ff ff e8 94 23 6b fb eb 21 e8 8d 23 6b fb 44 8b 6c
RSP: 0018:ffffc90000007800 EFLAGS: 00010046
RAX: 0cf043712eea4a00 RBX: ffff88807d9b8500 RCX: 0000000000040000
RDX: ffffc90002111000 RSI: 0000000000038b51 RDI: 0000000000038b52
RBP: 000000000000000f R08: dffffc0000000000 R09: fffff52000000e91
R10: fffff52000000e91 R11: 1ffff92000000e90 R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff88807d9b8508 R15: ffff8880764a1848
FS:  00007f52de9716c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555732ff2090 CR3: 000000007c96a000 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:1675
 dummy_timer+0x888/0x31b0 drivers/usb/gadget/udc/dummy_hcd.c:1994
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 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:copy_user_short_string+0x10/0x40 arch/x86/lib/copy_user_64.S:234
Code: d1 f3 a4 89 c8 0f 01 ca c3 89 d0 0f 01 ca c3 01 ca eb e7 90 90 90 90 90 90 90 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 <48> 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 88 07
RSP: 0018:ffffc90003f8fa48 EFLAGS: 00040202
RAX: ffffffff84070601 RBX: 0000000000000038 RCX: 0000000000000007
RDX: 0000000000000000 RSI: 0000200000168240 RDI: ffffc90003f8fae0
RBP: 0000000000000000 R08: 0000000000000000 R09: fffff520007f1f63
R10: fffff520007f1f63 R11: 1ffff920007f1f5c R12: 00007fffffffefc8
R13: dffffc0000000000 R14: ffffc90003f8fae0 R15: 0000200000168240
 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
 raw_copy_from_user arch/x86/include/asm/uaccess_64.h:52 [inline]
 _copy_from_user+0xf4/0x170 lib/usercopy.c:23
 copy_from_user include/linux/uaccess.h:161 [inline]
 copy_msghdr_from_user net/socket.c:2449 [inline]
 recvmsg_copy_msghdr net/socket.c:2704 [inline]
 ___sys_recvmsg+0x12b/0x510 net/socket.c:2776
 do_recvmmsg+0x359/0x7d0 net/socket.c:2874
 __sys_recvmmsg net/socket.c:2953 [inline]
 __do_sys_recvmmsg net/socket.c:2976 [inline]
 __se_sys_recvmmsg net/socket.c:2969 [inline]
 __x64_sys_recvmmsg+0x18d/0x240 net/socket.c:2969
 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: 0033:0x7f52ddb8eec9
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:00007f52de971038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f52ddde6090 RCX: 00007f52ddb8eec9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f52ddc11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f52ddde6128 R14: 00007f52ddde6090 R15: 00007fff86c76b38
 </TASK>
----------------
Code disassembly (best guess):
   0:	d1 f3                	shl    %ebx
   2:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
   3:	89 c8                	mov    %ecx,%eax
   5:	0f 01 ca             	clac
   8:	c3                   	ret
   9:	89 d0                	mov    %edx,%eax
   b:	0f 01 ca             	clac
   e:	c3                   	ret
   f:	01 ca                	add    %ecx,%edx
  11:	eb e7                	jmp    0xfffffffa
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	89 d1                	mov    %edx,%ecx
  1c:	83 e2 07             	and    $0x7,%edx
  1f:	c1 e9 03             	shr    $0x3,%ecx
  22:	74 12                	je     0x36
  24:	4c 8b 06             	mov    (%rsi),%r8
  27:	4c 89 07             	mov    %r8,(%rdi)
* 2a:	48 8d 76 08          	lea    0x8(%rsi),%rsi <-- trapping instruction
  2e:	48 8d 7f 08          	lea    0x8(%rdi),%rdi
  32:	ff c9                	dec    %ecx
  34:	75 ee                	jne    0x24
  36:	21 d2                	and    %edx,%edx
  38:	74 10                	je     0x4a
  3a:	89 d1                	mov    %edx,%ecx
  3c:	8a 06                	mov    (%rsi),%al
  3e:	88 07                	mov    %al,(%rdi)