cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888033596400 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#0: syz.0.0/5324 Modules linked in: CPU: 0 UID: 0 PID: 5324 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 04/01/2014 RIP: 0010:usb_submit_urb+0x7c/0x18b0 drivers/usb/core/urb.c:379 Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 f9 2c c9 fa 49 83 3e 00 74 40 e8 ae 86 57 fa 48 8d 3d 17 c0 17 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 93 86 57 fa eb 05 e8 8c 86 RSP: 0018:ffffc900000079f8 EFLAGS: 00010046 RAX: ffffffff87705ce2 RBX: ffff888033596400 RCX: ffff88803f052580 RDX: 0000000000000100 RSI: ffff888033596400 RDI: ffffffff90881d00 RBP: dffffc0000000000 R08: 0000000000000100 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000000f3c R12: ffff888011f30848 R13: ffff888011f30830 R14: ffff888033596408 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff88808c2c3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555561377a58 CR3: 0000000012ebb000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x6fb/0xca0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x378/0x540 drivers/usb/core/hcd.c:1657 dummy_timer+0xa91/0x4cf0 drivers/usb/gadget/udc/dummy_hcd.c:2019 __run_hrtimer kernel/time/hrtimer.c:2074 [inline] __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2131 hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2148 handle_softirqs+0x226/0x860 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221 Code: f7 e8 2d 68 b9 f5 f7 c3 00 02 00 00 74 05 e8 a0 c3 e5 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 94 75 aa f5 65 48 8b 05 0c 61 ab 07 48 85 c0 74 18 5b 41 5e e9 RSP: 0018:ffffc9000dc5f7d8 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000246 RCX: 8000000000000001 RDX: 0000000000000006 RSI: ffffffff8e417e07 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff907a667f R09: 1ffffffff20f4ccf R10: dffffc0000000000 R11: fffffbfff20f4cd0 R12: 0000000000000246 R13: dffffc0000000000 R14: ffff888034cc4000 R15: ffff88801f603400 spin_unlock_irqrestore include/linux/spinlock.h:425 [inline] dummy_pullup+0xcf/0x120 drivers/usb/gadget/udc/dummy_hcd.c:934 usb_gadget_disconnect_locked+0x126/0x480 drivers/usb/gadget/udc/core.c:785 gadget_unbind_driver+0xc2/0x410 drivers/usb/gadget/udc/core.c:1718 device_remove drivers/base/dd.c:616 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1435 bus_remove_driver+0x226/0x320 drivers/base/bus.c:832 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1784 raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463 __fput+0x418/0xa50 fs/file_table.c:512 task_work_run+0x1d9/0x270 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x73a/0x2360 kernel/exit.c:1011 do_group_exit+0x22d/0x2f0 kernel/exit.c:1154 get_signal+0x121b/0x12c0 kernel/signal.c:3051 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f590ef9e159 Code: Unable to access opcode bytes at 0x7f590ef9e12f. RSP: 002b:00007f590ff44fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000000002 RBX: 00007f590f225fa0 RCX: 00007f590ef9e159 RDX: 0000000000000002 RSI: 0000200000000100 RDI: 0000000000000009 RBP: 00007f590f03506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f590f226038 R14: 00007f590f225fa0 R15: 00007ffdac629be8 ---------------- Code disassembly (best guess): 0: 4c 89 f0 mov %r14,%rax 3: 48 c1 e8 03 shr $0x3,%rax 7: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 f9 2c c9 fa call 0xfac92d0e 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 ae 86 57 fa call 0xfa5786ce 20: 48 8d 3d 17 c0 17 09 lea 0x917c017(%rip),%rdi # 0x917c03e 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 93 86 57 fa call 0xfa5786ce 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 8c .byte 0x8c 3f: 86 .byte 0x86