cm109 3-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff8880571fe900 submitted while active WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18d0 drivers/usb/core/urb.c:380, CPU#1: ktimers/1/29 Modules linked in: CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Tainted: G L syzkaller #0 PREEMPT_{RT,(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 f7 38 a7 fb 49 83 3e 00 74 40 e8 7c 02 45 fb 48 8d 3d 25 3c 6c 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 61 02 45 fb eb 05 e8 5a 02 RSP: 0018:ffffc90000a3f698 EFLAGS: 00010287 RAX: ffffffff867aa774 RBX: ffff8880571fe900 RCX: 0000000000040000 RDX: ffffc90002eb5000 RSI: ffff8880571fe900 RDI: ffffffff8ee6e3a0 RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffffbfff1db668f R12: 0000000000000820 R13: ffff8880354033c4 R14: ffff8880571fe908 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888126def000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d6ae2a60 CR3: 000000000d3a8000 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+0x704/0xcc0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x3b4/0x5e0 drivers/usb/core/hcd.c:1661 dummy_timer+0x8a0/0x46f0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x542/0xd00 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x1a3/0x2e0 kernel/time/hrtimer.c:1858 handle_softirqs+0x1df/0x650 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] run_ktimerd+0x69/0x100 kernel/softirq.c:1138 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x510/0xa50 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 f7 38 a7 fb call 0xfba7390c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 7c 02 45 fb call 0xfb45029c 20: 48 8d 3d 25 3c 6c 08 lea 0x86c3c25(%rip),%rdi # 0x86c3c4c 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 02 45 fb call 0xfb45029c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 5a pop %rdx 3f: 02 .byte 0x2