cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88803150af00 submitted while active WARNING: CPU: 0 PID: 8741 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 PID: 8741 Comm: syz.3.1120 Not tainted 6.6.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Code: 04 00 00 eb 58 e8 5b d8 36 fb e9 1a f1 ff ff e8 51 d8 36 fb c6 05 60 7d e6 07 01 48 c7 c7 20 c5 4a 8b 48 89 de e8 0b 59 01 fb <0f> 0b e9 e5 f0 ff ff e8 2f d8 36 fb eb 11 e8 28 d8 36 fb bd 80 00 RSP: 0018:ffffc90000007860 EFLAGS: 00010046 RAX: 1c7567ade3014a00 RBX: ffff88803150af00 RCX: 0000000000040000 RDX: ffffc900020a2000 RSI: 0000000000006fc6 RDI: 0000000000006fc7 RBP: 000000000000000f R08: ffff8880b8e28c13 R09: 1ffff110171c5182 R10: dffffc0000000000 R11: ffffed10171c5183 R12: 1ffff1100fca760a R13: dffffc0000000000 R14: ffff88803150af08 R15: 0000000000000820 FS: 000055555a80f500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb6991812f8 CR3: 000000005e728000 CR4: 00000000003506f0 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+0x8a3/0x31b0 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 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:kobject_uevent_env+0x11f/0x8c0 lib/kobject_uevent.c:-1 Code: a6 00 00 00 e8 e2 02 2c f7 eb b3 4d 8d b5 90 00 00 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 f4 49 83 f7 4d 8b 36 <4c> 89 24 24 49 8d 54 24 3c 49 89 d7 49 c1 ef 03 41 0f b6 04 1f 84 RSP: 0018:ffffc9000f6bfbc0 EFLAGS: 00000246 RAX: 1ffff1102834e212 RBX: dffffc0000000000 RCX: ffff88802cdbda00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: 0000000000000002 R08: ffffc9000f6bfb67 R09: 1ffff92001ed7f6c R10: dffffc0000000000 R11: fffff52001ed7f6d R12: ffff888142f1c010 R13: ffff888141a71000 R14: ffffffff8b20dc80 R15: ffff888142f1c030 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:1716 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+0xb1/0x140 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: 0033:0x7f4fb358ebe9 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:00007ffec34af618 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00000000000353e1 RCX: 00007f4fb358ebe9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f4fb37b7da0 R08: 0000000000000001 R09: 00000003c34af90f R10: 0000001b2da20000 R11: 0000000000000246 R12: 00007f4fb37b5fac R13: 00007f4fb37b5fa0 R14: ffffffffffffffff R15: 00007ffec34af730 ---------------- Code disassembly (best guess): 0: a6 cmpsb %es:(%rdi),%ds:(%rsi) 1: 00 00 add %al,(%rax) 3: 00 e8 add %ch,%al 5: e2 02 loop 0x9 7: 2c f7 sub $0xf7,%al 9: eb b3 jmp 0xffffffbe b: 4d 8d b5 90 00 00 00 lea 0x90(%r13),%r14 12: 4c 89 f0 mov %r14,%rax 15: 48 c1 e8 03 shr $0x3,%rax 19: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 1d: 74 08 je 0x27 1f: 4c 89 f7 mov %r14,%rdi 22: e8 f4 49 83 f7 call 0xf7834a1b 27: 4d 8b 36 mov (%r14),%r14 * 2a: 4c 89 24 24 mov %r12,(%rsp) <-- trapping instruction 2e: 49 8d 54 24 3c lea 0x3c(%r12),%rdx 33: 49 89 d7 mov %rdx,%r15 36: 49 c1 ef 03 shr $0x3,%r15 3a: 41 0f b6 04 1f movzbl (%r15,%rbx,1),%eax 3f: 84 .byte 0x84