cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888025dee400 submitted while active WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#1: ksoftirqd/1/23 Modules linked in: CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP 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 47 e6 28 fb 49 83 3e 00 74 40 e8 7c 94 c2 fa 48 8d 3d 35 14 8f 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 61 94 c2 fa eb 05 e8 5a 94 RSP: 0018:ffffc900001d7558 EFLAGS: 00010083 RAX: ffffffff86ff1c74 RBX: ffff888025dee400 RCX: 0000000000040000 RDX: ffffc90002392000 RSI: ffff888025dee400 RDI: ffffffff8f8e30b0 RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff5200003ae9c R12: 0000000000000820 R13: ffff888056ca1030 R14: ffff888025dee408 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125f44000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002f815ff8 CR3: 000000005c0dc000 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:1661 dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x27d/0x850 kernel/softirq.c:622 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1063 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 ---------------- 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 47 e6 28 fb call 0xfb28e65c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 7c 94 c2 fa call 0xfac2949c 20: 48 8d 3d 35 14 8f 08 lea 0x88f1435(%rip),%rdi # 0x88f145c 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 61 94 c2 fa call 0xfac2949c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 5a pop %rdx 3f: 94 xchg %eax,%esp