cm109 10-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88802b1d5b00 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#0: pr/ttyS0/16
Modules linked in:
CPU: 0 UID: 0 PID: 16 Comm: pr/ttyS0 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_submit_urb+0x7c/0x18b0 drivers/usb/core/urb.c:379
Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 d9 c9 c9 fa 49 83 3e 00 74 40 e8 1e f2 59 fa 48 8d 3d 27 ff 19 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 03 f2 59 fa eb 05 e8 fc f1
RSP: 0000:ffffc900000079f8 EFLAGS: 00010083
RAX: ffffffff876dc902 RBX: ffff88802b1d5b00 RCX: 0000000000040000
RDX: ffffc900020a1000 RSI: ffff88802b1d5b00 RDI: ffffffff9087c830
RBP: dffffc0000000000 R08: 0000000000000100 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f3c R12: ffff888057176048
R13: ffff888057176030 R14: ffff88802b1d5b08 R15: 0000000000000820
FS: 0000000000000000(0000) GS:ffff888124cd8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f74a5014 CR3: 000000000eb48000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x6fb/0xca0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x378/0x540 drivers/usb/core/hcd.c:1657
dummy_timer+0xa91/0x4cf0 drivers/usb/gadget/udc/dummy_hcd.c:2019
__run_hrtimer kernel/time/hrtimer.c:2067 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2124
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2141
handle_softirqs+0x226/0x860 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0xcb/0x220 kernel/softirq.c:767
irq_exit_rcu+0x9/0x30 kernel/softirq.c:784
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221
Code: f7 e8 5d c5 bc f5 f7 c3 00 02 00 00 74 05 e8 50 02 e9 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 f4 de ad f5 65 48 8b 05 9c 81 ad 07 48 85 c0 74 18 5b 41 5e c3
RSP: 0000:ffffc90000157ca8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000206 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e474cae RDI: 0000000000000001
RBP: ffffc90000157e18 R08: ffffffff907a157f R09: 1ffffffff20f42af
R10: dffffc0000000000 R11: fffffbfff20f42b0 R12: 0000000000000002
R13: ffff88801e298000 R14: ffffffff9ad33080 R15: dffffc0000000000
nbcon_emit_one kernel/printk/nbcon.c:1165 [inline]
nbcon_kthread_func+0x6c4/0x880 kernel/printk/nbcon.c:1271
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
----------------
Code disassembly (best guess):
0: 4c 89 f0 mov %r14,%rax
3: 48 c1 e8 03 shr $0x3,%rax
7: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1)
b: 74 08 je 0x15
d: 4c 89 f7 mov %r14,%rdi
10: e8 d9 c9 c9 fa call 0xfac9c9ee
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 1e f2 59 fa call 0xfa59f23e
20: 48 8d 3d 27 ff 19 09 lea 0x919ff27(%rip),%rdi # 0x919ff4e
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 03 f2 59 fa call 0xfa59f23e
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: fc cld
3f: f1 int1