cm109 9-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888039fda000 submitted while active WARNING: CPU: 2 PID: 13664 at drivers/usb/core/urb.c:380 usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Modules linked in: CPU: 2 UID: 0 PID: 13664 Comm: syz.4.2625 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+0x16f5/0x1990 drivers/usb/core/urb.c:380 Code: ff ff ff bb fe ff ff ff e9 c9 f1 ff ff e8 23 d0 ae fa c6 05 2d 0d 5e 09 01 90 48 c7 c7 e0 61 51 8c 48 89 de e8 ac 08 6d fa 90 <0f> 0b 90 90 e9 a6 fe ff ff bb f8 ff ff ff e9 99 f1 ff ff c7 44 24 RSP: 0018:ffffc90000648a90 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff888039fda000 RCX: ffffffff817aaee8 RDX: ffff888055100000 RSI: ffffffff817aaef5 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888037a05857 R14: ffff8880544d0fa0 R15: 000000000000000f FS: 000055555bf34500(0000) GS:ffff8880d6bdf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3b4e28 CR3: 00000000504d0000 CR4: 0000000000352ef0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xb80 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x388/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1809/0x3a00 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858 handle_softirqs+0x216/0x8e0 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:1052 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [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 86 83 30 f6 48 89 df e8 6e d7 30 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 b5 e2 20 f6 65 8b 05 5e 45 3c 08 85 c0 74 16 5b RSP: 0018:ffffc90006327b20 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffffffff8f6ca360 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffffffff8db026b0 RDI: ffffffff8bf1cfc0 RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff908323d7 R11: 0000000000000002 R12: 1ffff92000c64f6c R13: ffff8881068d723c R14: ffff888028a6b600 R15: ffff888028a6b618 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] usb_hcd_poll_rh_status+0x570/0x7e0 drivers/usb/core/hcd.c:762 dummy_pullup+0x20c/0x270 drivers/usb/gadget/udc/dummy_hcd.c:928 usb_gadget_disconnect_locked+0x13f/0x4e0 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xd7/0x4e0 drivers/usb/gadget/udc/core.c:1670 device_remove+0xc8/0x170 drivers/base/dd.c:569 __device_release_driver drivers/base/dd.c:1274 [inline] device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1360 bus_remove_driver+0x13b/0x2c0 drivers/base/bus.c:747 driver_unregister+0x76/0xb0 drivers/base/driver.c:277 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1736 raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x3ff/0xb70 fs/file_table.c:468 task_work_run+0x14d/0x240 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x130 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x426/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f99b438eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc445c1218 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000035133 RCX: 00007f99b438eec9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f99b45e7da0 R08: 0000000000000001 R09: 0000000a445c150f R10: 0000001b2df20000 R11: 0000000000000246 R12: 00007f99b45e5fac R13: 00007f99b45e5fa0 R14: ffffffffffffffff R15: 00007ffc445c1330 ---------------- Code disassembly (best guess): 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 86 83 30 f6 call 0xf6308399 13: 48 89 df mov %rbx,%rdi 16: e8 6e d7 30 f6 call 0xf630d789 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 23 jne 0x46 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 37 jne 0x61 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 b5 e2 20 f6 call 0xf620e2e9 34: 65 8b 05 5e 45 3c 08 mov %gs:0x83c455e(%rip),%eax # 0x83c4599 3b: 85 c0 test %eax,%eax 3d: 74 16 je 0x55 3f: 5b pop %rbx