cm109 8-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88801f2a9e00 submitted while active WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#0: swapper/0/0 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:usb_submit_urb+0x15a3/0x1970 drivers/usb/core/urb.c:380 Code: 4b 03 00 00 48 8b 04 24 48 8b 90 b0 00 00 00 eb 91 bb ed ff ff ff e9 07 f3 ff ff e8 67 20 a9 fa 48 8d 3d 60 79 7e 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 e9 f2 ff ff e8 49 20 a9 fa 0f 1f RSP: 0018:ffffc90000007a90 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88801f2a9e00 RCX: ffffffff87a091b4 RDX: ffffffff8e097b40 RSI: ffff88801f2a9e00 RDI: ffffffff90943cc0 RBP: ffff88803f610858 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff8e098670 R12: 0000000000000001 R13: ffff88803f610857 R14: ffff8880612ef480 R15: 000000000000000f FS: 0000000000000000(0000) GS:ffff8880d68fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f01e0869f98 CR3: 00000000243ae000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xbb0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38b/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1809/0x3ad0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x202/0xc40 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858 handle_softirqs+0x219/0x950 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82 Code: 26 60 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 13 d9 12 00 fb f4 cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0018:ffffffff8e007df8 EFLAGS: 00000286 RAX: 00000000001042f1 RBX: 0000000000000000 RCX: ffffffff8b7786d9 RDX: 0000000000000000 RSI: ffffffff8dacbd07 RDI: ffffffff8bf2a800 RBP: fffffbfff1c12f68 R08: 0000000000000001 R09: ffffed100d48673d R10: ffff88806a4339eb R11: ffffffff8e098670 R12: 0000000000000000 R13: ffffffff8e097b40 R14: ffffffff908880d0 R15: 0000000000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:767 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x38d/0x510 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x16b/0x2b0 init/main.c:757 start_kernel+0x3ef/0x4d0 init/main.c:1206 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x130/0x190 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148 ---------------- Code disassembly (best guess): 0: 4b 03 00 rex.WXB add (%r8),%rax 3: 00 48 8b add %cl,-0x75(%rax) 6: 04 24 add $0x24,%al 8: 48 8b 90 b0 00 00 00 mov 0xb0(%rax),%rdx f: eb 91 jmp 0xffffffa2 11: bb ed ff ff ff mov $0xffffffed,%ebx 16: e9 07 f3 ff ff jmp 0xfffff322 1b: e8 67 20 a9 fa call 0xfaa92087 20: 48 8d 3d 60 79 7e 09 lea 0x97e7960(%rip),%rdi # 0x97e7987 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: bb f0 ff ff ff mov $0xfffffff0,%ebx 34: e9 e9 f2 ff ff jmp 0xfffff322 39: e8 49 20 a9 fa call 0xfaa92087 3e: 0f .byte 0xf 3f: 1f (bad)