cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888028200c00 submitted while active
WARNING: CPU: 1 PID: 14881 at drivers/usb/core/urb.c:379 usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 1 UID: 0 PID: 14881 Comm: syz.3.1850 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Code: 44 89 f2 e8 61 3e 00 fa e9 13 fc ff ff e8 67 68 93 fa c6 05 98 43 61 08 01 90 48 c7 c7 60 05 35 8c 48 89 de e8 b0 03 57 fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 41 68 93 fa eb 11 e8 3a 68 93 fa bd
RSP: 0018:ffffc90000a08868 EFLAGS: 00010046
RAX: 36d7531674191700 RBX: ffff888028200c00 RCX: 0000000000040000
RDX: ffffc90002392000 RSI: 00000000000004e5 RDI: 00000000000004e6
RBP: 000000000000000f R08: ffff8880b8724253 R09: 1ffff110170e484a
R10: dffffc0000000000 R11: ffffed10170e484b R12: dffffc0000000000
R13: ffff88807c7fe030 R14: ffff888028200c08 R15: 0000000000000820
FS: 0000000000000000(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000ce000 CR3: 000000002b45e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000036800 DR2: 0000000000009951
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x709/0xca0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661
dummy_timer+0x862/0x4550 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x283/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__fortify_strlen include/linux/fortify-string.h:268 [inline]
RIP: 0010:get_kobj_path_length lib/kobject.c:118 [inline]
RIP: 0010:kobject_get_path+0x6b/0x2d0 lib/kobject.c:158
Code: 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 e6 b4 b2 f6 49 8b 3e 48 85 ff 0f 84 bd 01 00 00 e8 d5 ae 05 00 <48> 89 c3 49 83 c6 18 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc
RSP: 0018:ffffc9001852f798 EFLAGS: 00000246
RAX: 000000000000000b RBX: 0000000000000003 RCX: 0000000027bdeb03
RDX: 0000000000000000 RSI: 0000000000000cc0 RDI: ffff888027bdeb60
RBP: 0000000000000dc0 R08: 00000000669bcdce R09: 00000000345292f7
R10: 0000000000000012 R11: ffffffff81ac4b00 R12: 0000000000000011
R13: ffff888143762010 R14: ffff888144b32010 R15: ffff8880486e4000
kobject_uevent_env+0x292/0x8c0 lib/kobject_uevent.c:545
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1274 [inline]
device_release_driver_internal+0x46c/0x800 drivers/base/dd.c:1297
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1360
bus_remove_driver+0x226/0x2f0 drivers/base/bus.c:747
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x449/0xa70 fs/file_table.c:468
task_work_run+0x1d1/0x260 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x6b5/0x2300 kernel/exit.c:961
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
get_signal+0x1286/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:40
exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f627bf8eba9
Code: Unable to access opcode bytes at 0x7f627bf8eb7f.
RSP: 002b:00007f627cee80e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f627c1d5fa8 RCX: 00007f627bf8eba9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f627c1d5fa8
RBP: 00007f627c1d5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f627c1d6038 R14: 00007f627c2ff940 R15: 00007f627c2ffa28
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
7: fc ff df
a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1)
e: 74 08 je 0x18
10: 4c 89 f7 mov %r14,%rdi
13: e8 e6 b4 b2 f6 call 0xf6b2b4fe
18: 49 8b 3e mov (%r14),%rdi
1b: 48 85 ff test %rdi,%rdi
1e: 0f 84 bd 01 00 00 je 0x1e1
24: e8 d5 ae 05 00 call 0x5aefe
* 29: 48 89 c3 mov %rax,%rbx <-- trapping instruction
2c: 49 83 c6 18 add $0x18,%r14
30: 4c 89 f0 mov %r14,%rax
33: 48 c1 e8 03 shr $0x3,%rax
37: 48 rex.W
38: b9 00 00 00 00 mov $0x0,%ecx
3d: 00 fc add %bh,%ah