cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88814c641900 submitted while active WARNING: CPU: 0 PID: 11631 at drivers/usb/core/urb.c:379 usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 UID: 0 PID: 11631 Comm: syz.4.1441 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379 Code: 44 89 f2 e8 31 dc 00 fa e9 13 fc ff ff e8 07 f3 93 fa c6 05 7c c1 61 08 01 90 48 c7 c7 a0 fb 34 8c 48 89 de e8 f0 91 57 fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 e1 f2 93 fa eb 11 e8 da f2 93 fa bd RSP: 0018:ffffc900000077b8 EFLAGS: 00010046 RAX: d944f259f0fe1300 RBX: ffff88814c641900 RCX: 0000000000040000 RDX: ffffc90002191000 RSI: 00000000000004dd RDI: 00000000000004de RBP: 000000000000000f R08: ffff8880b8624253 R09: 1ffff110170c484a R10: dffffc0000000000 R11: ffffed10170c484b R12: dffffc0000000000 R13: ffff88803031d830 R14: ffff88814c641908 R15: 0000000000000820 FS: 00007f9c8dea36c0(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000012c0 CR3: 0000000046e48000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x709/0xca0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x417/0x690 drivers/usb/core/hcd.c:1663 dummy_timer+0x862/0x4550 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0x864/0xc40 kernel/printk/printk.c:3239 Code: 4c 89 f7 e8 fe b1 82 00 4d 8b 36 48 89 df 4c 89 f6 e8 00 4b 1f 00 4c 39 f3 76 30 e8 96 48 1f 00 48 8b 44 24 40 42 80 3c 20 00 <4c> 8b 74 24 48 74 08 4c 89 f7 e8 bd b2 82 00 49 89 1e 45 84 ed 75 RSP: 0018:ffffc9001d2bf460 EFLAGS: 00000246 RAX: 1ffff92003a57ebb RBX: 0000000000001d20 RCX: ffff88807d74bc00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000001d20 RBP: ffffc9001d2bf5b0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e9b3e20 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline] console_unlock+0xc4/0x270 kernel/printk/printk.c:3325 do_con_write+0x5117/0x5200 drivers/tty/vt/vt.c:3187 con_write+0x24/0x40 drivers/tty/vt/vt.c:3516 process_output_block drivers/tty/n_tty.c:561 [inline] n_tty_write+0xd29/0x1200 drivers/tty/n_tty.c:2377 iterate_tty_write drivers/tty/tty_io.c:1006 [inline] file_tty_write+0x551/0xa20 drivers/tty/tty_io.c:1081 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c8cf8ebe9 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:00007f9c8dea3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f9c8d1b6090 RCX: 00007f9c8cf8ebe9 RDX: 0000000000001006 RSI: 0000200000000280 RDI: 0000000000000009 RBP: 00007f9c8d011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9c8d1b6128 R14: 00007f9c8d1b6090 R15: 00007f9c8d2dfa28 ---------------- Code disassembly (best guess): 0: 4c 89 f7 mov %r14,%rdi 3: e8 fe b1 82 00 call 0x82b206 8: 4d 8b 36 mov (%r14),%r14 b: 48 89 df mov %rbx,%rdi e: 4c 89 f6 mov %r14,%rsi 11: e8 00 4b 1f 00 call 0x1f4b16 16: 4c 39 f3 cmp %r14,%rbx 19: 76 30 jbe 0x4b 1b: e8 96 48 1f 00 call 0x1f48b6 20: 48 8b 44 24 40 mov 0x40(%rsp),%rax 25: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) * 2a: 4c 8b 74 24 48 mov 0x48(%rsp),%r14 <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 bd b2 82 00 call 0x82b2f6 39: 49 89 1e mov %rbx,(%r14) 3c: 45 84 ed test %r13b,%r13b 3f: 75 .byte 0x75