cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88802a9bf500 submitted while active
WARNING: CPU: 0 PID: 14356 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 UID: 0 PID: 14356 Comm: syz.5.2285 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379
Code: fd eb cb bb fe ff ff ff e9 96 f3 ff ff e8 6f 4e 7a fa c6 05 e0 8a 52 09 01 90 48 c7 c7 00 08 74 8c 48 89 de e8 f8 f1 38 fa 90 <0f> 0b 90 90 e9 ac fe ff ff bb f8 ff ff ff e9 66 f3 ff ff 48 89 ef
RSP: 0018:ffffc90000007a80 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff88802a9bf500 RCX: ffffc90002181000
RDX: 0000000000040000 RSI: ffffffff817a3395 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803a42b857 R14: ffff8880316b6ac0 R15: 000000000000000f
FS: 0000000000000000(0000) GS:ffff8881246b5000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000e380000 CR4: 00000000003526f0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x2ed/0xb80 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x388/0x610 drivers/usb/core/hcd.c:1661
usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745
dummy_timer+0x1814/0x3a30 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842
handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0x188/0x20a0 arch/x86/kernel/unwind_orc.c:494
Code: 7f 08 84 c0 0f 85 e4 09 00 00 48 89 e9 41 0f b6 45 35 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 0f 85 6b 17 00 00 <4d> 8b 7d 48 3c 01 49 83 df 00 4d 85 ff 0f 84 31 09 00 00 49 81 ff
RSP: 0018:ffffc9000e717398 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff92001ce2e8a
RDX: dffffc0000000000 RSI: ffffffff8c162d00 RDI: ffffffff8df60e60
RBP: ffffc9000e717450 R08: ad3ce33e0569b1e2 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffffc9000e717458
R13: ffffc9000e717408 R14: ffffc9000e71743d R15: ffff888043474880
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:330 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:356
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4191 [inline]
slab_alloc_node mm/slub.c:4240 [inline]
kmem_cache_alloc_node_noprof+0x1d5/0x3b0 mm/slub.c:4292
__alloc_skb+0x2b2/0x380 net/core/skbuff.c:659
alloc_skb include/linux/skbuff.h:1336 [inline]
alloc_uevent_skb+0x7d/0x210 lib/kobject_uevent.c:289
uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
kobject_uevent_env+0xca4/0x1870 lib/kobject_uevent.c:608
device_remove+0xcb/0x170 drivers/base/dd.c:569
__device_release_driver drivers/base/dd.c:1274 [inline]
device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297
driver_detach+0xd8/0x1b0 drivers/base/dd.c:1360
bus_remove_driver+0x13b/0x2c0 drivers/base/bus.c:747
driver_unregister+0x76/0xb0 drivers/base/driver.c:277
usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x402/0xb70 fs/file_table.c:468
task_work_run+0x150/0x240 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x86f/0x2bf0 kernel/exit.c:961
do_group_exit+0xd3/0x2a0 kernel/exit.c:1102
get_signal+0x2673/0x26d0 kernel/signal.c:3034
arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x84/0x110 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+0x3f6/0x4c0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa068b8ebe9
Code: Unable to access opcode bytes at 0x7fa068b8ebbf.
RSP: 002b:00007fa0699d7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: 000000000000000b RBX: 00007fa068dc5fa0 RCX: 00007fa068b8ebe9
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000007
RBP: 00007fa068c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa068dc6038 R14: 00007fa068dc5fa0 R15: 00007ffd34e52c88
----------------
Code disassembly (best guess):
0: 7f 08 jg 0xa
2: 84 c0 test %al,%al
4: 0f 85 e4 09 00 00 jne 0x9ee
a: 48 89 e9 mov %rbp,%rcx
d: 41 0f b6 45 35 movzbl 0x35(%r13),%eax
12: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
19: fc ff df
1c: 48 c1 e9 03 shr $0x3,%rcx
20: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1)
24: 0f 85 6b 17 00 00 jne 0x1795
* 2a: 4d 8b 7d 48 mov 0x48(%r13),%r15 <-- trapping instruction
2e: 3c 01 cmp $0x1,%al
30: 49 83 df 00 sbb $0x0,%r15
34: 4d 85 ff test %r15,%r15
37: 0f 84 31 09 00 00 je 0x96e
3d: 49 rex.WB
3e: 81 .byte 0x81
3f: ff .byte 0xff