cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888029814b00 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.4.767/8834
Modules linked in:
CPU: 0 UID: 0 PID: 8834 Comm: syz.4.767 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 b7 51 f8 fa 49 83 3e 00 74 40 e8 bc 02 8e fa 48 8d 3d 95 60 e7 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 a1 02 8e fa eb 05 e8 9a 02
RSP: 0018:ffffc90000007960 EFLAGS: 00010083
RAX: ffffffff8737b214 RBX: ffff888029814b00 RCX: 0000000000040000
RDX: ffffc90002161000 RSI: ffff888029814b00 RDI: ffffffff901f12b0
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f2c R12: 0000000000000820
R13: ffff88802c7d7830 R14: ffff888029814b08 R15: dffffc0000000000
FS:  00007fb2995396c0(0000) GS:ffff888125454000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000051daa000 CR4: 0000000000350ef0
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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:188 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 1a 8c ef f5 48 89 df e8 52 01 f0 f5 e8 ed 6c 1b f6 fb bf 01 00 00 00 <e8> 32 be e1 f5 65 8b 05 9b 8f 6a 07 85 c0 74 07 5b e9 6c 10 5e f5
RSP: 0018:ffffc90014f07370 EFLAGS: 00000202
RAX: 0000000000004e2f RBX: ffff88806659d7c0 RCX: 0000000080000001
RDX: 0000000000000007 RSI: ffffffff8defb34b RDI: 0000000000000001
RBP: ffffc90014f074d0 R08: ffffffff9011d3b7 R09: 1ffffffff2023a76
R10: dffffc0000000000 R11: fffffbfff2023a77 R12: ffffc90014f07420
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 shmem_add_to_page_cache+0xa5e/0xd40 mm/shmem.c:928
 shmem_alloc_and_add_folio+0x869/0xf80 mm/shmem.c:1998
 shmem_get_folio_gfp+0x5a9/0x1670 mm/shmem.c:2567
 shmem_fault+0x179/0x390 mm/shmem.c:2768
 __do_fault+0x138/0x390 mm/memory.c:5364
 do_read_fault mm/memory.c:5799 [inline]
 do_fault mm/memory.c:5933 [inline]
 do_pte_missing+0x228f/0x3490 mm/memory.c:4477
 handle_pte_fault mm/memory.c:6317 [inline]
 __handle_mm_fault mm/memory.c:6455 [inline]
 handle_mm_fault+0x1bec/0x3310 mm/memory.c:6624
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x165b/0x29d0 mm/gup.c:1428
 populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860
 __mm_populate+0x25f/0x390 mm/gup.c:1963
 mm_populate include/linux/mm.h:3894 [inline]
 vm_mmap_pgoff+0x3aa/0x4f0 mm/util.c:586
 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: 0033:0x7fb29859c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb299539028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fb298815fa0 RCX: 00007fb29859c819
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007fb298632c91 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb298816038 R14: 00007fb298815fa0 R15: 00007ffcdc9cf0a8
 </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 b7 51 f8 fa       	call   0xfaf851cc
  15:	49 83 3e 00          	cmpq   $0x0,(%r14)
  19:	74 40                	je     0x5b
  1b:	e8 bc 02 8e fa       	call   0xfa8e02dc
  20:	48 8d 3d 95 60 e7 08 	lea    0x8e76095(%rip),%rdi        # 0x8e760bc
  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 02 8e fa       	call   0xfa8e02dc
  3b:	eb 05                	jmp    0x42
  3d:	e8                   	.byte 0xe8
  3e:	9a                   	(bad)
  3f:	02                   	.byte 0x2