cm109 3-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88802a0f0200 submitted while active
WARNING: CPU: 1 PID: 4191 at drivers/usb/core/urb.c:378 usb_submit_urb+0xff2/0x1910 drivers/usb/core/urb.c:378
Modules linked in:
CPU: 1 PID: 4191 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:usb_submit_urb+0xff2/0x1910 drivers/usb/core/urb.c:378
Code: 18 c5 8a 89 ea e8 8e ec d6 03 e9 fb fb ff ff e8 e4 2a 9b fb c6 05 2e 3e 98 07 01 48 c7 c7 20 16 c5 8a 48 89 de e8 8e 04 d3 03 <0f> 0b e9 84 f0 ff ff e8 c2 2a 9b fb eb 21 e8 bb 2a 9b fb 44 8b 6c
RSP: 0018:ffffc90000dd0780 EFLAGS: 00010046
RAX: 8a5e4ca6e85ad900 RBX: ffff88802a0f0200 RCX: 0000000000040000
RDX: ffffc900021b9000 RSI: 000000000000723d RDI: 000000000000723e
RBP: 000000000000000f R08: ffffc90000dd02a7 R09: 1ffff920001ba054
R10: dffffc0000000000 R11: fffff520001ba055 R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff88802a0f0208 R15: ffff888076fc3048
FS:  0000555583ec4500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f70d25b32f8 CR3: 0000000064620000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 cm109_urb_irq_callback+0x701/0xc70 drivers/input/misc/cm109.c:422
 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1674
 dummy_timer+0x8a8/0x31e0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x53a/0x7f0 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:memset_erms+0x0/0x10 arch/x86/lib/memset_64.S:61
Code: 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 <49> 89 f9 40 88 f0 48 89 d1 f3 aa 4c 89 c8 c3 90 49 89 fa 40 0f b6
RSP: 0018:ffffc90002e9f200 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc90002e9f2c8 RCX: ffffffff813516bd
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90002e9f318
RBP: ffffc90002e9f310 R08: ffffc90002e9f327 R09: 1ffff920005d3e64
R10: dffffc0000000000 R11: fffff520005d3e65 R12: 1ffffffff1c098ff
R13: dffffc0000000000 R14: ffffc90002e9f318 R15: ffffc90002e9f2fd
 unwind_next_frame+0xa3d/0x1d90 arch/x86/kernel/unwind_orc.c:547
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 save_stack+0x121/0x230 mm/page_owner.c:119
 __reset_page_owner+0x51/0x180 mm/page_owner.c:140
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1340 [inline]
 free_pcp_prepare mm/page_alloc.c:1391 [inline]
 free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
 free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
 release_pages+0x186c/0x1be0 mm/swap.c:963
 __pagevec_release+0x6d/0xe0 mm/swap.c:983
 pagevec_release include/linux/pagevec.h:81 [inline]
 shmem_undo_range+0x62b/0x1930 mm/shmem.c:964
 shmem_truncate_range mm/shmem.c:1063 [inline]
 shmem_evict_inode+0x220/0xa40 mm/shmem.c:1145
 evict+0x4c9/0x8d0 fs/inode.c:647
 __dentry_kill+0x431/0x650 fs/dcache.c:586
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xd8/0x1a0 fs/dcache.c:893
 __fput+0x5ee/0x930 fs/file_table.c:319
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9533876f17
Code: a2 c7 05 7c 96 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd177dcc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f95338df71f RCX: 00007f9533876f17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd177dcce0
RBP: 00007ffd177dcce0 R08: 00007ffd177ddce0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd177ddd70
R13: 00007f95338df71f R14: 00000000000166f3 R15: 00007ffd177dddb0
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 f9                	mov    %edi,%ecx
   2:	48 89 d1             	mov    %rdx,%rcx
   5:	83 e2 07             	and    $0x7,%edx
   8:	48 c1 e9 03          	shr    $0x3,%rcx
   c:	40 0f b6 f6          	movzbl %sil,%esi
  10:	48 b8 01 01 01 01 01 	movabs $0x101010101010101,%rax
  17:	01 01 01
  1a:	48 0f af c6          	imul   %rsi,%rax
  1e:	f3 48 ab             	rep stos %rax,%es:(%rdi)
  21:	89 d1                	mov    %edx,%ecx
  23:	f3 aa                	rep stos %al,%es:(%rdi)
  25:	4c 89 c8             	mov    %r9,%rax
  28:	c3                   	ret
  29:	90                   	nop
* 2a:	49 89 f9             	mov    %rdi,%r9 <-- trapping instruction
  2d:	40 88 f0             	mov    %sil,%al
  30:	48 89 d1             	mov    %rdx,%rcx
  33:	f3 aa                	rep stos %al,%es:(%rdi)
  35:	4c 89 c8             	mov    %r9,%rax
  38:	c3                   	ret
  39:	90                   	nop
  3a:	49 89 fa             	mov    %rdi,%r10
  3d:	40                   	rex
  3e:	0f                   	.byte 0xf
  3f:	b6                   	.byte 0xb6