cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88801b39df00 submitted while active WARNING: CPU: 1 PID: 5903 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf35/0x17d0 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 5903 Comm: syz.0.13 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0xf35/0x17d0 drivers/usb/core/urb.c:379 Code: 4a 8b 44 89 fa e8 ab 67 10 04 e9 28 fc ff ff e8 61 a6 35 fb c6 05 88 df e4 07 01 48 c7 c7 c0 dc 4a 8b 48 89 de e8 7b 22 00 fb <0f> 0b e9 45 f1 ff ff e8 3f a6 35 fb eb 11 e8 38 a6 35 fb bd 80 00 RSP: 0018:ffffc900001f0888 EFLAGS: 00010046 RAX: a5e00209c413dd00 RBX: ffff88801b39df00 RCX: 0000000000040000 RDX: ffffc90002301000 RSI: 00000000000060d0 RDI: 00000000000060d1 RBP: 000000000000000f R08: ffffc900001f0487 R09: 1ffff9200003e090 R10: dffffc0000000000 R11: fffff5200003e091 R12: dffffc0000000000 R13: ffff8880552be830 R14: ffff88801b39df08 R15: 0000000000000820 FS: 000055558a1f1500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff9253a17e0 CR3: 000000002ebd5000 CR4: 00000000003506e0 Call Trace: cm109_urb_irq_callback+0x72c/0xc90 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650 dummy_timer+0x88a/0x3140 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1750 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1814 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa9/0x110 kernel/locking/spinlock.c:194 Code: 74 05 e8 0a d9 1a f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 e2 53 ea f6 65 8b 05 d3 9a 92 75 85 c0 74 3c 48 c7 04 24 0e 36 RSP: 0018:ffffc90004aaf9e0 EFLAGS: 00000206 RAX: a5e00209c413dd00 RBX: 0000000000000a06 RCX: a5e00209c413dd00 RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001 RBP: ffffc90004aafa70 R08: ffffffff90d9460f R09: 1ffffffff21b28c1 R10: dffffc0000000000 R11: fffffbfff21b28c2 R12: dffffc0000000000 R13: ffff888142ff3100 R14: ffffffff8d8c45a0 R15: 1ffff92000955f3c spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] usb_hcd_poll_rh_status+0x3fd/0x600 drivers/usb/core/hcd.c:764 dummy_pullup+0x198/0x200 drivers/usb/gadget/udc/dummy_hcd.c:927 usb_gadget_disconnect_locked+0x13d/0x470 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xc7/0x420 drivers/usb/gadget/udc/core.c:1669 device_remove drivers/base/dd.c:567 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x468/0x7a0 drivers/base/dd.c:1295 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1358 bus_remove_driver+0x221/0x2f0 drivers/base/bus.c:744 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1735 raw_release+0xda/0x260 drivers/usb/gadget/legacy/raw_gadget.c:415 __fput+0x234/0x970 fs/file_table.c:384 task_work_run+0x1ce/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fc05af8f749 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:00007ffd5b501c68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000017dfa RCX: 00007fc05af8f749 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fc05b1e7da0 R08: 0000000000000001 R09: 000000115b501f5f R10: 0000001b33f20000 R11: 0000000000000246 R12: 00007fc05b1e5fac R13: 00007fc05b1e5fa0 R14: ffffffffffffffff R15: 00007ffd5b501d80 ---------------- Code disassembly (best guess): 0: 74 05 je 0x7 2: e8 0a d9 1a f7 call 0xf71ad911 7: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp) e: 00 00 10: 9c pushf 11: 8f 44 24 20 pop 0x20(%rsp) 15: f6 44 24 21 02 testb $0x2,0x21(%rsp) 1a: 75 4b jne 0x67 1c: f7 c3 00 02 00 00 test $0x200,%ebx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 e2 53 ea f6 call 0xf6ea5411 <-- trapping instruction 2f: 65 8b 05 d3 9a 92 75 mov %gs:0x75929ad3(%rip),%eax # 0x75929b09 36: 85 c0 test %eax,%eax 38: 74 3c je 0x76 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss