cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff8880206c2900 submitted while active WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x15a0/0x1970 drivers/usb/core/urb.c:380, CPU#1: syz.0.5939/28121 Modules linked in: CPU: 1 UID: 0 PID: 28121 Comm: syz.0.5939 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~bpo12+1 04/01/2014 RIP: 0010:usb_submit_urb+0x15a3/0x1970 drivers/usb/core/urb.c:380 Code: 4b 03 00 00 48 8b 04 24 48 8b 90 b0 00 00 00 eb 91 bb ed ff ff ff e9 07 f3 ff ff e8 77 18 aa fa 48 8d 3d 60 a2 80 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 e9 f2 ff ff e8 59 18 aa fa 0f 1f RSP: 0018:ffffc90000590a90 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880206c2900 RCX: ffffffff879efc84 RDX: ffff88807470a4c0 RSI: ffff8880206c2900 RDI: ffffffff9094e870 RBP: ffff88805fc71058 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffff88807470aff0 R12: 0000000000000001 R13: ffff88805fc71057 R14: ffff888061a8c1c0 R15: 000000000000000f FS: 0000000000000000(0000) GS:ffff8880977f6000(0063) knlGS:0000000057b22440 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f73e30b8 CR3: 000000002512d000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xbb0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38b/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1809/0x3ad0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x202/0xc40 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858 handle_softirqs+0x219/0x950 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:1056 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 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+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 66 98 20 f6 48 89 df e8 1e eb 20 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 e5 ed 10 f6 65 8b 05 2e b9 39 08 85 c0 74 16 5b RSP: 0018:ffffc900065e7ae0 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffffffff8f7086a0 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffffffff8dacbd5d RDI: ffffffff8bf2b780 RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff908901d7 R11: 0000000000000001 R12: 1ffff92000cbcf64 R13: ffff8880447a723c R14: ffff888043fd9400 R15: ffff888043fd9418 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+0x142/0x4b0 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xdd/0x510 drivers/usb/gadget/udc/core.c:1685 device_remove+0xcb/0x170 drivers/base/dd.c:569 __device_release_driver drivers/base/dd.c:1282 [inline] device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1305 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1368 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+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:463 __fput+0x402/0xb70 fs/file_table.c:468 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:44 [inline] exit_to_user_mode_loop+0xfb/0x540 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_fast_syscall_32+0x4a4/0x680 arch/x86/entry/syscall_32.c:310 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7fd2579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffdfbaac EFLAGS: 00000202 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 4b 03 00 rex.WXB add (%r8),%rax 3: 00 48 8b add %cl,-0x75(%rax) 6: 04 24 add $0x24,%al 8: 48 8b 90 b0 00 00 00 mov 0xb0(%rax),%rdx f: eb 91 jmp 0xffffffa2 11: bb ed ff ff ff mov $0xffffffed,%ebx 16: e9 07 f3 ff ff jmp 0xfffff322 1b: e8 77 18 aa fa call 0xfaaa1897 20: 48 8d 3d 60 a2 80 09 lea 0x980a260(%rip),%rdi # 0x980a287 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 e9 f2 ff ff jmp 0xfffff322 39: e8 59 18 aa fa call 0xfaaa1897 3e: 0f .byte 0xf 3f: 1f (bad)