cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff8880255f9a00 submitted while active WARNING: CPU: 0 PID: 7 at drivers/usb/core/urb.c:378 usb_submit_urb+0xfba/0x18d0 drivers/usb/core/urb.c:378 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0xfba/0x18d0 drivers/usb/core/urb.c:378 Code: c5 8a 44 89 ea e8 f6 46 d6 03 e9 f3 fb ff ff e8 7c 2d 97 fb c6 05 42 6e 95 07 01 48 c7 c7 60 1d c5 8a 48 89 de e8 96 64 d2 03 <0f> 0b e9 bc f0 ff ff e8 5a 2d 97 fb eb 1f e8 53 2d 97 fb 44 8b 64 RSP: 0018:ffffc90000007798 EFLAGS: 00010046 RAX: 92344ff144703f00 RBX: ffff8880255f9a00 RCX: ffff888016e8bb80 RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 000000000000000f R08: ffff8880b902795b R09: 1ffff11017204f2b R10: dffffc0000000000 R11: ffffed1017204f2c R12: 0000000000000a20 R13: ffff88802aaa1830 R14: ffff8880255f9a08 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 00000000765a3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cm109_urb_irq_callback+0x73d/0xcc0 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35d/0x520 drivers/usb/core/hcd.c:1672 dummy_timer+0xa41/0x33c0 drivers/usb/gadget/udc/dummy_hcd.c:1998 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648 expire_timers kernel/time/timer.c:1699 [inline] __run_timers+0x56c/0x810 kernel/time/timer.c:1970 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983 handle_softirqs+0x336/0x830 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:console_unlock+0xc90/0x10f0 kernel/printk/printk.c:2749 Code: 75 11 e8 83 d7 18 00 4d 85 e4 75 16 e8 79 d7 18 00 eb 15 e8 72 d7 18 00 e8 4d fb 5e 08 4d 85 e4 74 ea e8 63 d7 18 00 fb 31 ff <89> de e8 b9 da 18 00 85 db 0f 94 c0 22 44 24 1f 3c 01 75 1f e8 47 RSP: 0018:ffffc90000cc7300 EFLAGS: 00000246 RAX: ffffffff81601b3d RBX: 0000000000000000 RCX: ffff888016e8bb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000cc7570 R08: ffffffff901e90c7 R09: 1ffffffff203d218 R10: dffffc0000000000 R11: fffffbfff203d219 R12: 0000000000000200 R13: 0000000000000040 R14: 0000000000000000 R15: dffffc0000000000 vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274 dev_vprintk_emit+0x2c2/0x360 drivers/base/core.c:4665 dev_printk_emit+0xeb/0x140 drivers/base/core.c:4676 _dev_info+0x11b/0x170 drivers/base/core.c:4734 usb_disconnect+0xdd/0x8a0 drivers/usb/core/hub.c:2269 hub_port_connect drivers/usb/core/hub.c:5341 [inline] hub_port_connect_change drivers/usb/core/hub.c:5637 [inline] port_event drivers/usb/core/hub.c:5799 [inline] hub_event+0x1d64/0x5260 drivers/usb/core/hub.c:5881 process_one_work+0x867/0xff0 kernel/workqueue.c:2310 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 ---------------- Code disassembly (best guess): 0: 75 11 jne 0x13 2: e8 83 d7 18 00 call 0x18d78a 7: 4d 85 e4 test %r12,%r12 a: 75 16 jne 0x22 c: e8 79 d7 18 00 call 0x18d78a 11: eb 15 jmp 0x28 13: e8 72 d7 18 00 call 0x18d78a 18: e8 4d fb 5e 08 call 0x85efb6a 1d: 4d 85 e4 test %r12,%r12 20: 74 ea je 0xc 22: e8 63 d7 18 00 call 0x18d78a 27: fb sti 28: 31 ff xor %edi,%edi * 2a: 89 de mov %ebx,%esi <-- trapping instruction 2c: e8 b9 da 18 00 call 0x18daea 31: 85 db test %ebx,%ebx 33: 0f 94 c0 sete %al 36: 22 44 24 1f and 0x1f(%rsp),%al 3a: 3c 01 cmp $0x1,%al 3c: 75 1f jne 0x5d 3e: e8 .byte 0xe8 3f: 47 rex.RXB