cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88807651f200 submitted while active
WARNING: CPU: 0 PID: 6605 at drivers/usb/core/urb.c:379 usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 6605 Comm: syz.0.946 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379
Code: ac 2e 8b 89 ea e8 fa e4 ff 03 e9 f7 fb ff ff e8 ad a6 5b fb c6 05 20 bd e4 07 01 48 c7 c7 e0 aa 2e 8b 48 89 de e8 77 16 27 fb <0f> 0b e9 7d f0 ff ff e8 8b a6 5b fb eb 21 e8 84 a6 5b fb 44 8b 6c
RSP: 0018:ffffc90000007840 EFLAGS: 00010046
RAX: 1c9f27fd8c0d5f00 RBX: ffff88807651f200 RCX: 0000000000040000
RDX: ffffc90002101000 RSI: 00000000000062b4 RDI: 00000000000062b5
RBP: 000000000000000f R08: ffff8880b8e279db R09: 1ffff110171c4f3b
R10: dffffc0000000000 R11: ffffed10171c4f3c R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff88807651f208 R15: ffff888026b97048
FS: 00005555563ba500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7f0c0ac000 CR3: 000000007c48a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
cm109_urb_irq_callback+0x701/0xc70 drivers/input/misc/cm109.c:422
__usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1675
dummy_timer+0x8d0/0x3330 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1747 [inline]
__hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:unwind_get_return_address+0x37/0x80 arch/x86/kernel/unwind_orc.c:323
Code: 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 47 83 3b 00 74 3a 48 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 <74> 08 48 89 df e8 3f 68 9a 00 48 8b 3b e8 97 26 1d 00 85 c0 74 14
RSP: 0018:ffffc90003bd7768 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90003bd77d0 RCX: 0000000080000000
RDX: ffffc90003bd7701 RSI: dffffc0000000000 RDI: ffffc90003bd7788
RBP: ffffc90003bd7810 R08: ffffc90003bd7f48 R09: ffffc90003bd77d8
R10: dffffc0000000000 R11: fffff5200077aefd R12: ffff88802e4b8000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200077aefa
arch_stack_walk+0xf2/0x140 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
____kasan_kmalloc mm/kasan/common.c:375 [inline]
__kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slab_common.c:936 [inline]
__kmalloc+0xb0/0x240 mm/slab_common.c:949
kmalloc include/linux/slab.h:568 [inline]
kzalloc include/linux/slab.h:699 [inline]
kobject_get_path+0xac/0x220 lib/kobject.c:152
kobject_uevent_env+0x286/0x8a0 lib/kobject_uevent.c:544
device_remove drivers/base/dd.c:548 [inline]
__device_release_driver drivers/base/dd.c:1260 [inline]
device_release_driver_internal+0x4be/0x850 drivers/base/dd.c:1286
driver_detach+0x1ef/0x2d0 drivers/base/dd.c:1349
bus_remove_driver+0x11c/0x230 drivers/base/bus.c:679
usb_gadget_unregister_driver+0x4a/0x70 drivers/usb/gadget/udc/core.c:1735
raw_release+0xd6/0x260 drivers/usb/gadget/legacy/raw_gadget.c:416
__fput+0x22c/0x920 fs/file_table.c:320
task_work_run+0x1d0/0x260 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd2cb79ce59
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:00007ffc4a21add8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc4a21aec0 RCX: 00007fd2cb79ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000021089 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b2eb20000 R11: 0000000000000246 R12: 00007ffc4a21af00
R13: 00007fd2cba15fac R14: 000000000002158d R15: 00007fd2cba15fa0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: fc cld
3: ff lcall (bad)
4: df 48 89 fisttps -0x77(%rax)
7: f8 clc
8: 48 c1 e8 03 shr $0x3,%rax
c: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax
11: 84 c0 test %al,%al
13: 75 47 jne 0x5c
15: 83 3b 00 cmpl $0x0,(%rbx)
18: 74 3a je 0x54
1a: 48 83 c3 48 add $0x48,%rbx
1e: 49 89 df mov %rbx,%r15
21: 49 c1 ef 03 shr $0x3,%r15
25: 43 80 3c 37 00 cmpb $0x0,(%r15,%r14,1)
* 2a: 74 08 je 0x34 <-- trapping instruction
2c: 48 89 df mov %rbx,%rdi
2f: e8 3f 68 9a 00 call 0x9a6873
34: 48 8b 3b mov (%rbx),%rdi
37: e8 97 26 1d 00 call 0x1d26d3
3c: 85 c0 test %eax,%eax
3e: 74 14 je 0x54