cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88802ea89400 submitted while active WARNING: CPU: 0 PID: 8 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.6.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: 0x0 (events) RIP: 0010:usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Code: 04 00 00 eb 58 e8 5b d8 36 fb e9 1a f1 ff ff e8 51 d8 36 fb c6 05 60 7d e6 07 01 48 c7 c7 20 c5 4a 8b 48 89 de e8 0b 59 01 fb <0f> 0b e9 e5 f0 ff ff e8 2f d8 36 fb eb 11 e8 28 d8 36 fb bd 80 00 RSP: 0018:ffffc90000007860 EFLAGS: 00010046 RAX: abb1bd66f750aa00 RBX: ffff88802ea89400 RCX: 0000000000040000 RDX: ffffc900020f1000 RSI: 000000000000453f RDI: 0000000000004540 RBP: 000000000000000f R08: ffff8880b8e28c13 R09: 1ffff110171c5182 R10: dffffc0000000000 R11: ffffed10171c5183 R12: 1ffff11005d7840a R13: dffffc0000000000 R14: ffff88802ea89408 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2eb13ff8 CR3: 000000005d76e000 CR4: 00000000003506f0 Call Trace: cm109_urb_irq_callback+0x72c/0xc90 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650 dummy_timer+0x8a3/0x31b0 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:finish_task_switch+0x26a/0x920 kernel/sched/core.c:5254 Code: 0f 84 37 01 00 00 48 85 db 0f 85 56 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 c0 a3 1a 09 e8 ab a2 2f 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 RSP: 0018:ffffc900000d7b38 EFLAGS: 00000282 RAX: abb1bd66f750aa00 RBX: 0000000000000000 RCX: abb1bd66f750aa00 RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0 RBP: ffffc900000d7b90 R08: ffffffff8e4a882f R09: 1ffffffff1c95105 R10: dffffc0000000000 R11: fffffbfff1c95106 R12: ffff888019e75a00 R13: dffffc0000000000 R14: ffff88801b265a00 R15: ffff8880b8e3cf08 context_switch kernel/sched/core.c:5383 [inline] __schedule+0x14da/0x44d0 kernel/sched/core.c:6699 schedule+0xbd/0x170 kernel/sched/core.c:6773 worker_thread+0xc01/0xfc0 kernel/workqueue.c:2807 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 ---------------- Code disassembly (best guess): 0: 0f 84 37 01 00 00 je 0x13d 6: 48 85 db test %rbx,%rbx 9: 0f 85 56 01 00 00 jne 0x165 f: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 14: 4c 8b 75 d0 mov -0x30(%rbp),%r14 18: 4c 89 e7 mov %r12,%rdi 1b: e8 c0 a3 1a 09 call 0x91aa3e0 20: e8 ab a2 2f 00 call 0x2fa2d0 25: fb sti 26: 4c 8b 65 c0 mov -0x40(%rbp),%r12 * 2a: 49 8d bc 24 f8 15 00 lea 0x15f8(%r12),%rdi <-- trapping instruction 31: 00 32: 48 89 f8 mov %rdi,%rax 35: 48 c1 e8 03 shr $0x3,%rax 39: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 3e: 84 c0 test %al,%al