cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888036545d00 submitted while active WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#0: syz.0.0/5337 Modules linked in: CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 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+0x7e/0x18d0 drivers/usb/core/urb.c:380 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 57 e5 28 fb 49 83 3e 00 74 40 e8 1c 09 c1 fa 48 8d 3d 35 9c ad 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 01 09 c1 fa eb 05 e8 fa 08 RSP: 0018:ffffc90000007878 EFLAGS: 00010046 RAX: ffffffff8700b774 RBX: ffff888036545d00 RCX: ffff8880002b24c0 RDX: 0000000000000100 RSI: ffff888036545d00 RDI: ffffffff8fae53b0 RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000000f00 R12: 0000000000000820 R13: ffff8880372e8830 R14: ffff888036545d08 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cb247b07d0 CR3: 0000000011825000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661 dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x27d/0x850 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 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+0xa6/0xc0 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:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194 Code: 74 05 e8 1b 39 6a f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 93 ad 31 f6 65 8b 05 4c 11 3f 07 85 c0 74 40 48 c7 04 24 0e 36 RSP: 0018:ffffc9000b5cf6e0 EFLAGS: 00000206 RAX: e3f650a0cf2db300 RBX: 0000000000000a02 RCX: e3f650a0cf2db300 RDX: 0000000000000006 RSI: ffffffff8d98cee4 RDI: 0000000000000001 RBP: ffffc9000b5cf768 R08: ffffffff8fa19777 R09: 1ffffffff1f432ee R10: dffffc0000000000 R11: fffffbfff1f432ef R12: dffffc0000000000 R13: 1ffff1100696617f R14: ffff888034b30000 R15: 1ffff920016b9edc spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] dummy_pullup+0x18c/0x200 drivers/usb/gadget/udc/dummy_hcd.c:926 usb_gadget_disconnect_locked+0x143/0x490 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xc7/0x460 drivers/usb/gadget/udc/core.c:1685 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1282 [inline] device_release_driver_internal+0x46f/0x800 drivers/base/dd.c:1305 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1368 bus_remove_driver+0x226/0x320 drivers/base/bus.c:784 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1751 raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463 __fput+0x44c/0xa70 fs/file_table.c:468 task_work_run+0x1d4/0x260 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6c5/0x2310 kernel/exit.c:971 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112 get_signal+0x1285/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x87/0x4f0 kernel/entry/common.c:75 __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_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f17ee58f7c9 Code: Unable to access opcode bytes at 0x7f17ee58f79f. RSP: 002b:00007f17ea9f5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffef RBX: 00007f17ee7e6090 RCX: 00007f17ee58f7c9 RDX: 0000000000000000 RSI: 0000200000000100 RDI: ffffffffffffff9c RBP: 00007f17ee613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f17ee7e6128 R14: 00007f17ee7e6090 R15: 00007fff7dc6fcf8 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 57 e5 28 fb call 0xfb28e56c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 1c 09 c1 fa call 0xfac1093c 20: 48 8d 3d 35 9c ad 08 lea 0x8ad9c35(%rip),%rdi # 0x8ad9c5c 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 01 09 c1 fa call 0xfac1093c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: fa cli 3f: 08 .byte 0x8