cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88803336de00 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.0.0/5359 Modules linked in: CPU: 0 UID: 0 PID: 5359 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 09 17 ef fa 49 83 3e 00 74 40 e8 de fe 7f fa 48 8d 3d f7 48 f9 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 c3 fe 7f fa eb 05 e8 bc fe RSP: 0018:ffffc90000007a18 EFLAGS: 00010046 RAX: ffffffff87464622 RBX: ffff88803336de00 RCX: ffff888034542540 RDX: 0000000000000100 RSI: ffff88803336de00 RDI: ffffffff903f8f20 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000000f40 R12: ffff88801297a048 R13: ffff88801297a030 R14: ffff88803336de08 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff88808c848000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001abde000 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+0x374/0x530 drivers/usb/core/hcd.c:1655 dummy_timer+0xac3/0x4b40 drivers/usb/gadget/udc/dummy_hcd.c:2005 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2113 handle_softirqs+0x225/0x840 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 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:179 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:198 Code: f7 e8 ed 7a ef f5 f7 c3 00 02 00 00 74 05 e8 40 6f 1b f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 04 91 e0 f5 65 8b 05 9d 72 8a 07 85 c0 74 18 5b 41 5e e9 81 48 RSP: 0018:ffffc9000edf7728 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000202 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8c296400 RDI: 0000000000000001 RBP: ffffc9000edf7820 R08: ffffffff9031d0f7 R09: 1ffffffff2063a1e R10: dffffc0000000000 R11: fffffbfff2063a1f R12: dffffc0000000000 R13: ffff88801ce23000 R14: ffffffff8f69e880 R15: 0000000000000001 spin_unlock_irqrestore include/linux/spinlock.h:408 [inline] usb_hcd_poll_rh_status+0x3e9/0x600 drivers/usb/core/hcd.c:756 dummy_pullup+0xde/0x120 drivers/usb/gadget/udc/dummy_hcd.c:918 usb_gadget_disconnect_locked+0x126/0x480 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xc2/0x410 drivers/usb/gadget/udc/core.c:1686 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:1752 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:1004 do_group_exit+0x22d/0x2f0 kernel/exit.c:1147 get_signal+0x121b/0x12c0 kernel/signal.c:3038 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 kernel/entry/common.c:101 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline] irqentry_exit+0x2ba/0x8f0 kernel/entry/common.c:165 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7f39ce377254 Code: Unable to access opcode bytes at 0x7f39ce37722a. RSP: 002b:00007f39cf26d9b8 EFLAGS: 00010287 RAX: 0000000000000270 RBX: 00007f39cf26def0 RCX: 0000000000000000 RDX: 00007f39cf26dfb0 RSI: 0000000000000025 RDI: 00007f39ce44f270 RBP: 00007f39cf24f000 R08: 00007f39cf26e0b3 R09: 00007fffc49091a7 R10: 0000000000000008 R11: 0000000000000202 R12: 00007f39cf26e090 R13: 0000000000000000 R14: 00007f39ce44f270 R15: 00007f39cf26dfb0 ---------------- 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 09 17 ef fa call 0xfaef171e 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 de fe 7f fa call 0xfa7ffefe 20: 48 8d 3d f7 48 f9 08 lea 0x8f948f7(%rip),%rdi # 0x8f9491e 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 c3 fe 7f fa call 0xfa7ffefe 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: bc .byte 0xbc 3f: fe .byte 0xfe