cm109 3-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff8881487c5500 submitted while active WARNING: CPU: 1 PID: 5001 at drivers/usb/core/urb.c:378 usb_submit_urb+0x1057/0x1980 drivers/usb/core/urb.c:378 Modules linked in: CPU: 1 PID: 5001 Comm: syz.2.235 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:usb_submit_urb+0x1057/0x1980 drivers/usb/core/urb.c:378 Code: a7 a8 fb eb 53 e8 39 a7 a8 fb e9 54 f0 ff ff e8 2f a7 a8 fb c6 05 75 f6 85 07 01 48 c7 c7 00 62 a4 8a 48 89 de e8 e9 8c c7 03 <0f> 0b e9 1f f0 ff ff e8 0d a7 a8 fb eb 20 e8 06 a7 a8 fb 4c 8b 74 RSP: 0018:ffffc90000dd0780 EFLAGS: 00010046 RAX: 1b06bf08ec3df900 RBX: ffff8881487c5500 RCX: 0000000000040000 RDX: ffffc9000232a000 RSI: 0000000000018495 RDI: 0000000000018496 RBP: 000000000000000f R08: dffffc0000000000 R09: fffff520001ba055 R10: fffff520001ba055 R11: 1ffff920001ba054 R12: 0000000000000a20 R13: dffffc0000000000 R14: ffff8881487c5508 R15: ffff888024e11048 FS: 000055556e44d500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000239cd000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cm109_urb_irq_callback+0x728/0xc90 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1674 dummy_timer+0x827/0x2e10 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1767 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x328/0x820 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:___slab_alloc+0x4c4/0xdf0 mm/slub.c:2982 Code: 00 44 8b 74 24 0c 0f 84 c8 fb ff ff fb e9 c2 fb ff ff e8 8f e8 e4 07 41 f7 c6 00 02 00 00 0f 84 b1 fe ff ff fb 44 8b 74 24 0c <49> 83 7c 24 18 00 0f 84 be 00 00 00 48 c7 44 24 38 00 00 00 00 9c RSP: 0018:ffffc9000360fc10 EFLAGS: 00000206 RAX: 1b06bf08ec3df900 RBX: ffff888016842140 RCX: 1b06bf08ec3df900 RDX: dffffc0000000000 RSI: ffffffff8a0b11c0 RDI: ffffffff8a59a740 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ff3627 R10: fffffbfff1ff3627 R11: 1ffffffff1ff3626 R12: ffff8880b913dfa0 R13: ffff8880b913dfc0 R14: 0000000000000dc0 R15: ffffffff7fff0000 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc_trace+0x1a5/0x2a0 mm/slub.c:3245 kmalloc include/linux/slab.h:604 [inline] kzalloc include/linux/slab.h:735 [inline] kobject_uevent_env+0x27a/0x890 lib/kobject_uevent.c:539 usb_gadget_unregister_driver+0x15d/0x440 drivers/usb/gadget/udc/core.c:1609 raw_release+0xd6/0x260 drivers/usb/gadget/legacy/raw_gadget.c:415 __fput+0x234/0x930 fs/file_table.c:311 task_work_run+0x125/0x1a0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7d3b052929 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:00007ffdc059f058 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000024905 RCX: 00007f7d3b052929 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f7d3b27bba0 R08: 0000000000000001 R09: 00000007c059f34f R10: 00007f7d3aec4000 R11: 0000000000000246 R12: 00007f7d3b279fac R13: 00007f7d3b279fa0 R14: ffffffffffffffff R15: 00007ffdc059f170 ---------------- Code disassembly (best guess): 0: 00 44 8b 74 add %al,0x74(%rbx,%rcx,4) 4: 24 0c and $0xc,%al 6: 0f 84 c8 fb ff ff je 0xfffffbd4 c: fb sti d: e9 c2 fb ff ff jmp 0xfffffbd4 12: e8 8f e8 e4 07 call 0x7e4e8a6 17: 41 f7 c6 00 02 00 00 test $0x200,%r14d 1e: 0f 84 b1 fe ff ff je 0xfffffed5 24: fb sti 25: 44 8b 74 24 0c mov 0xc(%rsp),%r14d * 2a: 49 83 7c 24 18 00 cmpq $0x0,0x18(%r12) <-- trapping instruction 30: 0f 84 be 00 00 00 je 0xf4 36: 48 c7 44 24 38 00 00 movq $0x0,0x38(%rsp) 3d: 00 00 3f: 9c pushf