cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88802ad15200 submitted while active WARNING: CPU: 1 PID: 7090 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 UID: 0 PID: 7090 Comm: udevd 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+0x1519/0x1770 drivers/usb/core/urb.c:379 Code: fd eb cb bb fe ff ff ff e9 96 f3 ff ff e8 2f 4e 7a fa c6 05 20 8a 52 09 01 90 48 c7 c7 00 08 74 8c 48 89 de e8 38 f1 38 fa 90 <0f> 0b 90 90 e9 ac fe ff ff bb f8 ff ff ff e9 66 f3 ff ff 48 89 ef RSP: 0018:ffffc90000a08a80 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff88802ad15200 RCX: ffffc90002391000 RDX: 0000000000040000 RSI: ffffffff817a3395 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88806966f057 R14: ffff88805642b640 R15: 000000000000000f FS: 00007f9c2a149880(0000) GS:ffff8881247b5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f30fe4f56c0 CR3: 00000000298b3000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xb80 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x388/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1814/0x3a30 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872 Code: e6 3e 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 22 a2 13 0f 0f 82 74 02 00 00 8b 35 da d3 13 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 79 e6 3e 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc9001b74f970 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e5c1260 RCX: 00000000ef9d33e4 RDX: 0000000000000000 RSI: ffffffff8de2cdb0 RDI: ffffffff8c162d80 RBP: 0000000000000002 R08: 0ac0d5affe09d4ff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:388 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:405 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4376 [inline] __kmalloc_noprof+0x223/0x510 mm/slub.c:4388 kmalloc_noprof include/linux/slab.h:909 [inline] inotify_handle_inode_event+0x1cf/0x6f0 fs/notify/inotify/inotify_fsnotify.c:96 inotify_ignored_and_remove_idr+0x28/0x70 fs/notify/inotify/inotify_user.c:526 fsnotify_free_mark+0xe9/0x140 fs/notify/mark.c:589 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:805 [inline] __se_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:786 [inline] __x64_sys_inotify_rm_watch+0x112/0x1a0 fs/notify/inotify/inotify_user.c:786 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c2a24fa07 Code: 73 01 c3 48 8b 0d f1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 ff 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffeed8bcd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000ff RAX: ffffffffffffffda RBX: 0000558c61f40d50 RCX: 00007f9c2a24fa07 RDX: 0000000000000007 RSI: 0000000000000364 RDI: 0000000000000007 RBP: 0000000000000364 R08: 00000000000001e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeed8bcd30 R13: 0000000003938700 R14: 0000558c35c8c100 R15: 0000558c35c8c140 ---------------- Code disassembly (best guess): 0: e6 3e out %al,$0x3e 2: 12 83 f8 07 0f 87 adc -0x78f0f808(%rbx),%al 8: bc 02 00 00 89 mov $0x89000002,%esp d: c0 48 0f a3 rorb $0xa3,0xf(%rax) 11: 05 22 a2 13 0f add $0xf13a222,%eax 16: 0f 82 74 02 00 00 jb 0x290 1c: 8b 35 da d3 13 0f mov 0xf13d3da(%rip),%esi # 0xf13d3fc 22: 85 f6 test %esi,%esi 24: 0f 85 8d 00 00 00 jne 0xb7 * 2a: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction 2f: 65 48 2b 05 79 e6 3e sub %gs:0x123ee679(%rip),%rax # 0x123ee6b0 36: 12 37: 0f 85 c7 02 00 00 jne 0x304 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c4 .byte 0xc4