cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888057e3f800 submitted while active
WARNING: CPU: 1 PID: 5326 at drivers/usb/core/urb.c:378 usb_submit_urb+0xfec/0x1900 drivers/usb/core/urb.c:378
Modules linked in:
CPU: 1 PID: 5326 Comm: syz.4.23 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0xfec/0x1900 drivers/usb/core/urb.c:378
Code: 67 a4 8a 89 ea e8 b4 57 d3 03 e9 fb fb ff ff e8 6a 2b a9 fb c6 05 ea 4e 87 07 01 48 c7 c7 40 65 a4 8a 48 89 de e8 24 88 cf 03 <0f> 0b e9 8a f0 ff ff e8 48 2b a9 fb eb 21 e8 41 2b a9 fb 44 8b 6c
RSP: 0018:ffffc90000dd0780 EFLAGS: 00010046
RAX: bf3f0b0f3d2e5200 RBX: ffff888057e3f800 RCX: ffff88807eb65940
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: 000000000000000f R08: dffffc0000000000 R09: ffffed1017224f2c
R10: ffffed1017224f2c R11: 1ffff11017224f2b R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff888057e3f808 R15: ffff88805dd68048
FS: 00007fc598bf26c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000021c49000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
cm109_urb_irq_callback+0x728/0xc90 drivers/input/misc/cm109.c:422
__usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1674
dummy_timer+0x827/0x2e10 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x525/0x7c0 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0xf/0x20
Code: be 03 00 00 00 e8 d1 2f c7 02 bf 21 10 01 c0 be 0e 00 00 00 e9 c2 2f c7 02 00 00 48 8b 04 fd 20 28 bc 8b 80 b8 50 74 02 00 00 <0f> 95 c0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41
RSP: 0018:ffffc9000383f9c8 EFLAGS: 00000246
RAX: ffff8880b9000000 RBX: 1ffff1100fc32819 RCX: ffffffff815b3ab8
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff88807e194118 R08: dffffc0000000000 R09: ffffed100fd6cb29
R10: ffffed100fd6cb29 R11: 1ffff1100fd6cb28 R12: ffff8880254f8000
R13: ffff88807e1940c8 R14: 0000000000000000 R15: dffffc0000000000
pv_vcpu_is_preempted arch/x86/include/asm/paravirt.h:607 [inline]
vcpu_is_preempted arch/x86/include/asm/qspinlock.h:62 [inline]
mutex_spin_on_owner+0x1d3/0x380 kernel/locking/mutex.c:365
mutex_optimistic_spin+0x38/0x300 kernel/locking/mutex.c:469
__mutex_lock_common+0x210/0x2390 kernel/locking/mutex.c:599
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_interruptible_nested+0x17/0x20 kernel/locking/mutex.c:765
tty_write_lock drivers/tty/tty_io.c:964 [inline]
do_tty_write drivers/tty/tty_io.c:984 [inline]
file_tty_write+0x47a/0x910 drivers/tty/tty_io.c:1110
call_write_iter include/linux/fs.h:2172 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0x712/0xd00 fs/read_write.c:594
ksys_write+0x14d/0x250 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc599582be9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc598bf2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc5997a9fa0 RCX: 00007fc599582be9
RDX: 0000000000001006 RSI: 0000200000000280 RDI: 0000000000000005
RBP: 00007fc599605e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5997aa038 R14: 00007fc5997a9fa0 R15: 00007fff32bd14e8
----------------
Code disassembly (best guess):
0: be 03 00 00 00 mov $0x3,%esi
5: e8 d1 2f c7 02 call 0x2c72fdb
a: bf 21 10 01 c0 mov $0xc0011021,%edi
f: be 0e 00 00 00 mov $0xe,%esi
14: e9 c2 2f c7 02 jmp 0x2c72fdb
19: 00 00 add %al,(%rax)
1b: 48 8b 04 fd 20 28 bc mov -0x7443d7e0(,%rdi,8),%rax
22: 8b
23: 80 b8 50 74 02 00 00 cmpb $0x0,0x27450(%rax)
* 2a: 0f 95 c0 setne %al <-- trapping instruction
2d: c3 ret
2e: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
35: 00 00 00
38: 0f 1f 00 nopl (%rax)
3b: 55 push %rbp
3c: 48 89 e5 mov %rsp,%rbp
3f: 41 rex.B