cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88807a458f00 submitted while active
WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18d0 drivers/usb/core/urb.c:380, CPU#1: syz.1.77/6174
Modules linked in:
CPU: 1 UID: 0 PID: 6174 Comm: syz.1.77 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:usb_submit_urb+0x7e/0x18d0 drivers/usb/core/urb.c:380
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 67 1d 1c fb 49 83 3e 00 74 40 e8 2c 48 b5 fa 48 8d 3d 85 12 c5 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 11 48 b5 fa eb 05 e8 0a 48
RSP: 0018:ffffc90000a08978 EFLAGS: 00010083
RAX: ffffffff870c2174 RBX: ffff88807a458f00 RCX: 0000000000040000
RDX: ffffc90002352000 RSI: ffff88807a458f00 RDI: ffffffff8fd13400
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000141130 R12: 0000000000000820
R13: ffff888077c38030 R14: ffff88807a458f08 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888125aad000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561b97758cc0 CR3: 000000000e13e000 CR4: 00000000003526f0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657
dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22b/0x7c0 kernel/softirq.c:626
__do_softirq kernel/softirq.c:660 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x60/0x150 kernel/softirq.c:727
irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
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:lock_release+0x2d8/0x3b0 kernel/locking/lockdep.c:5893
Code: 94 28 11 00 00 00 00 eb b5 e8 54 70 c9 09 f7 c3 00 02 00 00 74 b9 65 48 8b 05 74 4e 28 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 59 4c cc 09 cc 48 8d 3d 81 e1 28
RSP: 0018:ffffc900057a75e0 EFLAGS: 00000282
RAX: 0c0470ce8f488a00 RBX: 0000000000000202 RCX: 0000000000000046
RDX: 0000000000000001 RSI: ffffffff8dca1eb1 RDI: ffffffff8be264e0
RBP: ffff88802b8ee5f0 R08: ffffc900057a7747 R09: 0000000000000000
R10: ffffc900057a7738 R11: fffff52000af4ee9 R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8e344ce0 R15: ffff88802b8edac0
rcu_lock_release include/linux/rcupdate.h:322 [inline]
rcu_read_unlock include/linux/rcupdate.h:881 [inline]
class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
unwind_next_frame+0x1ab1/0x23d0 arch/x86/kernel/unwind_orc.c:695
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556
slab_free_hook mm/slub.c:2729 [inline]
slab_free mm/slub.c:6911 [inline]
kmem_cache_free+0x486/0x630 mm/slub.c:7022
exit_mmap+0x4fe/0xae0 mm/mmap.c:1302
__mmput+0x118/0x430 kernel/fork.c:1173
exit_mm+0x169/0x230 kernel/exit.c:581
do_exit+0x627/0x22f0 kernel/exit.c:959
do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
__do_sys_exit_group kernel/exit.c:1123 [inline]
__se_sys_exit_group kernel/exit.c:1121 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1121
x64_sys_call+0x2210/0x2210 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb6b8f8f749
Code: Unable to access opcode bytes at 0x7fb6b8f8f71f.
RSP: 002b:00007ffc617ee038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb6b8f8f749
RDX: 00007fb6b8f46c47 RSI: 0000000000000000 RDI: 000000000000000b
RBP: 0000000000000003 R08: 00007ffc617ee4c7 R09: 000000000000000b
R10: 00007fb6b91e5fa0 R11: 0000000000000246 R12: 00007fb6b91e627c
R13: 00007fb6b91e6270 R14: 00000000000005b9 R15: 0000000000000003
----------------
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 67 1d 1c fb call 0xfb1c1d7c
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 2c 48 b5 fa call 0xfab5484c
20: 48 8d 3d 85 12 c5 08 lea 0x8c51285(%rip),%rdi # 0x8c512ac
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 11 48 b5 fa call 0xfab5484c
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: 0a .byte 0xa
3f: 48 rex.W