cm109 7-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88805ad9ed00 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x15fa/0x1910 drivers/usb/core/urb.c:379, CPU#2: syz.2.2125/13428 Modules linked in: CPU: 2 UID: 0 PID: 13428 Comm: syz.2.2125 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 04/01/2014 RIP: 0010:usb_submit_urb+0x15fd/0x1910 drivers/usb/core/urb.c:379 Code: 00 48 8b 04 24 48 8b 90 b0 00 00 00 e9 73 ff ff ff bb ed ff ff ff e9 be f2 ff ff e8 ed 91 b7 fa 48 8d 3d a6 10 95 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 a0 f2 ff ff c7 44 24 30 00 00 00 RSP: 0018:ffffc90000648ab0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88805ad9ed00 RCX: ffffffff87d467b0 RDX: ffff888059f1a4c0 RSI: ffff88805ad9ed00 RDI: ffffffff90e65ec0 RBP: ffff888027b05058 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888027b05057 R14: ffff88805addd860 R15: 000000000000000f FS: 000055555efca500(0000) GS:ffff8880d653f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3186c7 CR3: 000000003817c000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x479/0xa90 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xd85/0x3670 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1785 [inline] __hrtimer_run_queues+0x50e/0xa70 kernel/time/hrtimer.c:1849 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1866 handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xef/0x150 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+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 d6 ab 51 f6 48 89 df e8 be fb 51 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 65 1c 42 f6 65 8b 05 5e ae 7a 08 85 c0 74 16 5b RSP: 0018:ffffc900040a7af8 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffffffff8fbb8ee0 RCX: 0000000000000040 RDX: 0000000000000000 RSI: ffffffff8de782ff RDI: ffffffff8c1b11a0 RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000814f67 R13: ffff88802cf9d23c R14: ffff888025f4bd00 R15: ffff888025f4bd18 spin_unlock_irqrestore include/linux/spinlock.h:407 [inline] usb_hcd_poll_rh_status+0x5c4/0x7e0 drivers/usb/core/hcd.c:758 dummy_pullup+0x1f6/0x280 drivers/usb/gadget/udc/dummy_hcd.c:928 usb_gadget_disconnect_locked+0x142/0x510 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xd8/0x4f0 drivers/usb/gadget/udc/core.c:1685 device_remove+0xcb/0x180 drivers/base/dd.c:571 __device_release_driver drivers/base/dd.c:1284 [inline] device_release_driver_internal+0x42e/0x600 drivers/base/dd.c:1307 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1370 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:784 driver_unregister+0x76/0xb0 drivers/base/driver.c:277 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1751 raw_release+0x19b/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463 __fput+0x3ff/0xb40 fs/file_table.c:469 task_work_run+0x150/0x240 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:67 [inline] exit_to_user_mode_loop+0x100/0x4a0 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline] do_syscall_64+0x67c/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdbd919c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd7965f208 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fdbd9417da0 RCX: 00007fdbd919c799 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fdbd9417da0 R08: 00007fdbd9416038 R09: 0000000000000000 R10: 00000000003ffc08 R11: 0000000000000246 R12: 000000000003525d R13: 00007fdbd941609c R14: 00000000000346a4 R15: 00007ffd7965f310 ---------------- Code disassembly (best guess): 0: 00 48 8b add %cl,-0x75(%rax) 3: 04 24 add $0x24,%al 5: 48 8b 90 b0 00 00 00 mov 0xb0(%rax),%rdx c: e9 73 ff ff ff jmp 0xffffff84 11: bb ed ff ff ff mov $0xffffffed,%ebx 16: e9 be f2 ff ff jmp 0xfffff2d9 1b: e8 ed 91 b7 fa call 0xfab7920d 20: 48 8d 3d a6 10 95 09 lea 0x99510a6(%rip),%rdi # 0x99510cd 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 a0 f2 ff ff jmp 0xfffff2d9 39: c7 .byte 0xc7 3a: 44 24 30 rex.R and $0x30,%al 3d: 00 00 add %al,(%rax)