cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88806becae00 submitted while active WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#1: syz.4.686/8631 Modules linked in: CPU: 1 UID: 0 PID: 8631 Comm: syz.4.686 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x7e/0x18d0 drivers/usb/core/urb.c:380 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 07 cf 20 fb 49 83 3e 00 74 40 e8 6c 82 ba fa 48 8d 3d e5 1e c8 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 51 82 ba fa eb 05 e8 4a 82 RSP: 0018:ffffc90000a08878 EFLAGS: 00010083 RAX: ffffffff870770c4 RBX: ffff88806becae00 RCX: 0000000000040000 RDX: ffffc90002382000 RSI: ffff88806becae00 RDI: ffffffff8fcf8fb0 RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000141100 R12: 0000000000000820 R13: ffff88804ef10030 R14: ffff88806becae08 R15: dffffc0000000000 FS: 00007f64e03966c0(0000) GS:ffff888125b03000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f10450d9f98 CR3: 0000000078584000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661 dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x27d/0x850 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 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_irq include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202 Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ba 58 39 f6 48 89 df e8 f2 cf 39 f6 e8 bd 39 64 f6 fb bf 01 00 00 00 f2 bf 2b f6 65 8b 05 ab 40 5c 07 85 c0 74 07 5b e9 51 4d 00 00 RSP: 0018:ffffc9000423fc60 EFLAGS: 00000286 RAX: 42bc7a01f5d47600 RBX: ffff88807d302e40 RCX: 42bc7a01f5d47600 RDX: 0000000000000000 RSI: ffffffff8da95064 RDI: 0000000000000001 RBP: 0000000000000011 R08: ffffffff8fc2d477 R09: 1ffffffff1f85a8e R10: dffffc0000000000 R11: fffffbfff1f85a8f R12: 1ffff1100fa6061b R13: 0000000000000000 R14: 0000000004000000 R15: ffff88807d3030d8 spin_unlock_irq include/linux/spinlock.h:401 [inline] get_signal+0x11a7/0x1340 kernel/signal.c:3037 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x87/0x4f0 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_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f64df58f749 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:00007f64e03960e8 EFLAGS: 00000246 RAX: fffffffffffffffc RBX: 00007f64df7e6098 RCX: 00007f64df58f749 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f64df7e6098 RBP: 00007f64df7e6090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f64df7e6128 R14: 00007ffc7e385160 R15: 00007ffc7e385248 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 07 cf 20 fb call 0xfb20cf1c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 6c 82 ba fa call 0xfaba828c 20: 48 8d 3d e5 1e c8 08 lea 0x8c81ee5(%rip),%rdi # 0x8c81f0c 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 51 82 ba fa call 0xfaba828c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 4a rex.WX 3f: 82 .byte 0x82