cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88802a949a00 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#1: syz.1.517/7231 Modules linked in: CPU: 1 UID: 0 PID: 7231 Comm: syz.1.517 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 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 99 e0 d2 fa 49 83 3e 00 74 40 e8 2e 4c 65 fa 48 8d 3d 67 c9 03 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 13 4c 65 fa eb 05 e8 0c 4c RSP: 0018:ffffc90000a089f8 EFLAGS: 00010083 RAX: ffffffff8761b7d2 RBX: ffff88802a949a00 RCX: 0000000000040000 RDX: ffffc900022c2000 RSI: ffff88802a949a00 RDI: ffffffff90658140 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff5200014113c R12: ffff888069a94848 R13: ffff888069a94830 R14: ffff88802a949a08 R15: 0000000000000820 FS: 00005555842fd500(0000) GS:ffff88812504e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34015ff8 CR3: 00000000534a3000 CR4: 0000000000350ef0 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:1657 dummy_timer+0xa91/0x4cf0 drivers/usb/gadget/udc/dummy_hcd.c:2019 __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:usb_hcd_poll_rh_status+0x14f/0x600 drivers/usb/core/hcd.c:733 Code: 4c 89 f7 e8 43 b1 d3 fa 41 bf 98 00 00 00 4d 03 3e 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 24 b1 d3 fa 4d 8b 1f <48> 89 df 48 8d 74 24 60 2e e8 13 f4 72 04 41 89 c7 31 ff 89 c6 e8 RSP: 0018:ffffc900032a7aa0 EFLAGS: 00000246 RAX: 1ffffffff1f3f3b7 RBX: ffff888029a41000 RCX: 0000000000000000 RDX: 0000000000000006 RSI: 0000000000000000 RDI: ffffc900032a7b06 RBP: ffffc900032a7b80 R08: 0000000000000005 R09: ffffc900032a7b00 R10: dffffc0000000000 R11: ffffffff87b75f00 R12: dffffc0000000000 R13: 1ffff92000654f5c R14: ffff888029a41210 R15: ffffffff8f9f9db8 dummy_pullup+0xde/0x120 drivers/usb/gadget/udc/dummy_hcd.c:936 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 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1fa/0x730 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:318 [inline] do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fac8bf9de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc3c83f2d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffc3c83f3c0 RCX: 00007fac8bf9de99 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000024187 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32e20000 R11: 0000000000000246 R12: 00007ffc3c83f400 R13: 00007fac8c225fac R14: 000000000002464b R15: 00007fac8c225fa0 ---------------- 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 99 e0 d2 fa call 0xfad2e0ae 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 2e 4c 65 fa call 0xfa654c4e 20: 48 8d 3d 67 c9 03 09 lea 0x903c967(%rip),%rdi # 0x903c98e 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 13 4c 65 fa call 0xfa654c4e 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 0c 4c or $0x4c,%al