cm109 3-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888034179400 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:379, CPU#0: syz.0.2172/10417
Modules linked in:
CPU: 0 UID: 0 PID: 10417 Comm: syz.0.2172 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:379
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 07 7f f8 fa 49 83 3e 00 74 40 e8 dc 31 8e fa 48 8d 3d 85 8e e7 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 c1 31 8e fa eb 05 e8 ba 31
RSP: 0018:ffffc90000007960 EFLAGS: 00010087
RAX: ffffffff87377d14 RBX: ffff888034179400 RCX: 0000000000040000
RDX: ffffc90002181000 RSI: ffff888034179400 RDI: ffffffff901f0ba0
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f2c R12: 0000000000000820
R13: ffff8880323c0830 R14: ffff888034179408 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125457000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb80ce4edd5 CR3: 000000006b574000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
 cm109_urb_irq_callback+0x6e2/0xcb0 drivers/input/misc/cm109.c:431
 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657
 dummy_timer+0xbbd/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1995
 __run_hrtimer kernel/time/hrtimer.c:1785 [inline]
 __hrtimer_run_queues+0x53a/0xcc0 kernel/time/hrtimer.c:1849
 hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
 handle_softirqs+0x22a/0x870 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 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:__orc_find arch/x86/kernel/unwind_orc.c:110 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:238 [inline]
RIP: 0010:unwind_next_frame+0x2b4/0x23c0 arch/x86/kernel/unwind_orc.c:510
Code: 00 00 fc ff df 0f 84 1c 04 00 00 4a 8d 14 ad 44 1d 24 90 45 29 e8 4a 8d 1c 82 48 83 c3 fc 49 89 d5 48 39 da 0f 86 21 02 00 00 <49> 29 d5 49 c1 fd 02 4a 8d 04 6d 00 00 00 00 4c 01 e8 48 8d 14 46
RSP: 0018:ffffc900037674d8 EFLAGS: 00000202
RAX: ffffffff902aa1f0 RBX: ffffffff902aa1f4 RCX: ffffffff902aa1f8
RDX: ffffffff902aa1f4 RSI: ffffffff90a70368 RDI: ffffffff8c27d0a0
RBP: ffffffff902aa1f8 R08: 0000000000000003 R09: ffffffff8e75e5e0
R10: ffffc900037675f8 R11: ffffffff81b0d030 R12: ffffffff81876f3a
R13: ffffffff902aa1f4 R14: ffffc900037675a8 R15: ffffffff902aa1f4
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556
 __call_rcu_common kernel/rcu/tree.c:3131 [inline]
 call_rcu+0xee/0x890 kernel/rcu/tree.c:3251
 slab_free_hook mm/slub.c:2649 [inline]
 slab_free mm/slub.c:6165 [inline]
 kmem_cache_free+0x439/0x630 mm/slub.c:6295
 tear_down_vmas+0x312/0x520 mm/mmap.c:1264
 exit_mmap+0x4b6/0xa10 mm/mmap.c:1322
 __mmput+0x118/0x430 kernel/fork.c:1175
 exit_mm+0x168/0x220 kernel/exit.c:581
 do_exit+0x6a2/0x23c0 kernel/exit.c:964
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118
 __do_sys_exit_group kernel/exit.c:1129 [inline]
 __se_sys_exit_group kernel/exit.c:1127 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1127
 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9431d9c819
Code: Unable to access opcode bytes at 0x7f9431d9c7ef.
RSP: 002b:00007f943213fd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9431d9c819
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f943213fdec R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 00000000000001cb
R13: 00000000000927c0 R14: 0000000000047f61 R15: 00007f943213fe40
 </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 07 7f f8 fa       	call   0xfaf87f1c
  15:	49 83 3e 00          	cmpq   $0x0,(%r14)
  19:	74 40                	je     0x5b
  1b:	e8 dc 31 8e fa       	call   0xfa8e31fc
  20:	48 8d 3d 85 8e e7 08 	lea    0x8e78e85(%rip),%rdi        # 0x8e78eac
  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 c1 31 8e fa       	call   0xfa8e31fc
  3b:	eb 05                	jmp    0x42
  3d:	e8                   	.byte 0xe8
  3e:	ba                   	.byte 0xba
  3f:	31                   	.byte 0x31