cm109 10-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888031f4ed00 submitted while active
WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#0: syz.2.3972/20822
Modules linked in:
CPU: 0 UID: 0 PID: 20822 Comm: syz.2.3972 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:usb_submit_urb+0x7e/0x18d0 drivers/usb/core/urb.c:380
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 d7 4d 1f fb 49 83 3e 00 74 40 e8 bc f5 b8 fa 48 8d 3d e5 68 c7 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 a1 f5 b8 fa eb 05 e8 9a f5
RSP: 0018:ffffc90000007878 EFLAGS: 00010087
RAX: ffffffff8708fdd4 RBX: ffff888031f4ed00 RCX: 0000000000040000
RDX: ffffc90002191000 RSI: ffff888031f4ed00 RDI: ffffffff8fd066c0
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f00 R12: 0000000000000820
R13: ffff888020f63030 R14: ffff888031f4ed08 R15: dffffc0000000000
FS:  00007fd6334616c0(0000) GS:ffff8881259ed000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000006030 CR3: 000000002b3a0000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
 cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431
 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661
 dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995
 __run_hrtimer kernel/time/hrtimer.c:1777 [inline]
 __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858
 handle_softirqs+0x27d/0x850 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:727
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x16c/0x340 kernel/locking/lockdep.c:5872
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 14 77 24 11 <48> 3b 44 24 58 0f 85 e5 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90004537158 EFLAGS: 00000206
RAX: a2838dbb11be0f00 RBX: 0000000000000000 RCX: a2838dbb11be0f00
RDX: 00000000ba0101b1 RSI: ffffffff8dc8c9b6 RDI: ffffffff8be248e0
RBP: ffffffff81747f85 R08: ffffffff81747f85 R09: ffffffff8e3419e0
R10: ffffc90004537318 R11: ffffffff81ade290 R12: 0000000000000002
R13: ffffffff8e3419e0 R14: 0000000000000000 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
 unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2540 [inline]
 slab_free mm/slub.c:6668 [inline]
 kmem_cache_free+0x197/0x620 mm/slub.c:6779
 __unix_dgram_recvmsg+0x9f9/0xd60 net/unix/af_unix.c:2658
 sock_recvmsg_nosec+0x186/0x1c0 net/socket.c:1084
 ____sys_recvmsg+0x21e/0x4c0 net/socket.c:-1
 ___sys_recvmsg+0x1b5/0x510 net/socket.c:2863
 do_recvmmsg+0x307/0x770 net/socket.c:2958
 __sys_recvmmsg net/socket.c:3032 [inline]
 __do_sys_recvmmsg net/socket.c:3055 [inline]
 __se_sys_recvmmsg net/socket.c:3048 [inline]
 __x64_sys_recvmmsg+0x190/0x240 net/socket.c:3048
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd63258f749
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:00007fd633461038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fd6327e6090 RCX: 00007fd63258f749
RDX: 0000000000010111 RSI: 0000200000001080 RDI: 0000000000000004
RBP: 00007fd632613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd6327e6128 R14: 00007fd6327e6090 R15: 00007ffecaef64b8
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 f0                	mov    %esi,%eax
   2:	48 c1 e8 03          	shr    $0x3,%rax
   6:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
   b:	74 08                	je     0x15
   d:	4c 89 f7             	mov    %r14,%rdi
  10:	e8 d7 4d 1f fb       	call   0xfb1f4dec
  15:	49 83 3e 00          	cmpq   $0x0,(%r14)
  19:	74 40                	je     0x5b
  1b:	e8 bc f5 b8 fa       	call   0xfab8f5dc
  20:	48 8d 3d e5 68 c7 08 	lea    0x8c768e5(%rip),%rdi        # 0x8c7690c
  27:	48 89 de             	mov    %rbx,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	b8 f0 ff ff ff       	mov    $0xfffffff0,%eax
  34:	eb 11                	jmp    0x47
  36:	e8 a1 f5 b8 fa       	call   0xfab8f5dc
  3b:	eb 05                	jmp    0x42
  3d:	e8                   	.byte 0xe8
  3e:	9a                   	(bad)
  3f:	f5                   	cmc