cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888022b87600 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:379, CPU#1: syz.0.2554/15723
Modules linked in:
CPU: 1 UID: 0 PID: 15723 Comm: syz.0.2554 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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 62 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:ffffc90000a08960 EFLAGS: 00010083
RAX: ffffffff8737b214 RBX: ffff888022b87600 RCX: 0000000000040000
RDX: ffffc900023a2000 RSI: ffff888022b87600 RDI: ffffffff901f14b0
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200014112c R12: 0000000000000820
R13: ffff88805459c830 R14: ffff888022b87608 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888125554000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40b71456b8 CR3: 0000000035fb6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 000000000000ffec DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_done arch/x86/include/asm/unwind.h:50 [inline]
RIP: 0010:unwind_get_return_address+0x1d/0x90 arch/x86/kernel/unwind_orc.c:382
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 4c 83 3b 00 74 3a 48 83 c3 48 49 89 df 49
RSP: 0018:ffffc9000c45f3e8 EFLAGS: 00000a06
RAX: 1ffff9200188be81 RBX: ffffc9000c45f408 RCX: 0000000000000046
RDX: 0000000000000001 RSI: ffffffff8e16c1b5 RDI: ffffc9000c45f408
RBP: ffffc9000c45f490 R08: 0000000000000022 R09: ffffffff8e75e5e0
R10: ffffc9000c45f458 R11: ffffffff81b0d0f0 R12: ffff888029d73d00
R13: ffff88807a7a0000 R14: dffffc0000000000 R15: ffffc9000c45f408
arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__kmalloc_cache_noprof+0x31c/0x660 mm/slub.c:5380
kmalloc_noprof include/linux/slab.h:950 [inline]
kzalloc_noprof include/linux/slab.h:1188 [inline]
kobject_uevent_env+0x28c/0x9e0 lib/kobject_uevent.c:540
device_remove drivers/base/dd.c:631 [inline]
__device_release_driver drivers/base/dd.c:1344 [inline]
device_release_driver_internal+0x46f/0x870 drivers/base/dd.c:1367
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1430
bus_remove_driver+0x226/0x320 drivers/base/bus.c:825
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1751
raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
__fput+0x44f/0xa70 fs/file_table.c:469
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x70f/0x23c0 kernel/exit.c:976
do_group_exit+0x21b/0x2d0 kernel/exit.c:1118
get_signal+0x1284/0x1330 kernel/signal.c:3034
arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline]
do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6fb2b9c819
Code: Unable to access opcode bytes at 0x7f6fb2b9c7ef.
RSP: 002b:00007f6fb3a9f028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: 0000000000010106 RBX: 00007f6fb2e16090 RCX: 00007f6fb2b9c819
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000006
RBP: 00007f6fb2c32c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6fb2e16128 R14: 00007f6fb2e16090 R15: 00007f6fb2f3fa48
----------------
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 62 e7 08 lea 0x8e76295(%rip),%rdi # 0x8e762bc
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