cm109 7-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff8880206da300 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#0: ktimers/0/16 Modules linked in: CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 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 29 bc 4e fb 49 83 3e 00 74 40 e8 5e 0d e3 fa 48 8d 3d 37 fd da 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 43 0d e3 fa eb 05 e8 3c 0d RSP: 0000:ffffc90000157798 EFLAGS: 00010283 RAX: ffffffff86e36c62 RBX: ffff8880206da300 RCX: 0000000000040000 RDX: ffffc900032f7000 RSI: ffff8880206da300 RDI: ffffffff8fbe69a0 RBP: dffffc0000000000 R08: 0000000000000100 R09: 0000000000000100 R10: 0000000000000000 R11: ffffffff8e1c3ac0 R12: ffff88803a7780c2 R13: ffff88802b8c2bc4 R14: ffff8880206da308 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff888125bd4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd99816f10 CR3: 0000000079e06000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x6f1/0xc90 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x3bc/0x5f0 drivers/usb/core/hcd.c:1657 dummy_timer+0xaac/0x4d50 drivers/usb/gadget/udc/dummy_hcd.c:2019 __run_hrtimer kernel/time/hrtimer.c:2067 [inline] __hrtimer_run_queues+0x3eb/0xaf0 kernel/time/hrtimer.c:2124 hrtimer_run_softirq+0x1e1/0x2e0 kernel/time/hrtimer.c:2141 handle_softirqs+0x1da/0x6d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] run_ktimerd+0x6a/0x100 kernel/softirq.c:1183 smpboot_thread_fn+0x565/0xa70 kernel/smpboot.c:160 kthread+0x38b/0x470 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 29 bc 4e fb call 0xfb4ebc3e 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 5e 0d e3 fa call 0xfae30d7e 20: 48 8d 3d 37 fd da 08 lea 0x8dafd37(%rip),%rdi # 0x8dafd5e 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 43 0d e3 fa call 0xfae30d7e 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 3c 0d cmp $0xd,%al