cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888025b09f00 submitted while active WARNING: CPU: 0 PID: 13766 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 PID: 13766 Comm: syz.3.2403 Not tainted 6.6.94-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Code: 04 00 00 eb 58 e8 7b fa 35 fb e9 1a f1 ff ff e8 71 fa 35 fb c6 05 9f c0 e4 07 01 48 c7 c7 80 b3 4a 8b 48 89 de e8 5b 5f 00 fb <0f> 0b e9 e5 f0 ff ff e8 4f fa 35 fb eb 11 e8 48 fa 35 fb bd 80 00 RSP: 0018:ffffc90000007860 EFLAGS: 00010046 RAX: 6923e538ba004600 RBX: ffff888025b09f00 RCX: 0000000000040000 RDX: ffffc90002111000 RSI: 000000000000634d RDI: 000000000000634e RBP: 000000000000000f R08: ffff8880b8e28c13 R09: 1ffff110171c5182 R10: dffffc0000000000 R11: ffffed10171c5183 R12: 1ffff1100315a70a R13: dffffc0000000000 R14: ffff888025b09f08 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f80ffa90f98 CR3: 000000005da7c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:get_current arch/x86/include/asm/current.h:41 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x60 kernel/kcov.c:215 Code: 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d 8c 17 c4 0c 48 89 de 5b e9 83 d6 57 00 cc cc cc f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d 20 24 7e 7e 65 8b 15 21 24 7e 7e 81 e2 00 01 ff 00 74 RSP: 0018:ffffc90004dbeee8 EFLAGS: 00000246 RAX: ffffffff813a9b13 RBX: ffffffff8ecbc39c RCX: 0000000000000003 RDX: ffffffff813a9a02 RSI: ffffffff8cb9e0e0 RDI: 0000000000000005 RBP: ffffc90004dbf078 R08: ffff88802f1c1e00 R09: 0000000000000008 R10: 0000000000000009 R11: 0000000000000000 R12: ffffc90004dbf028 R13: dffffc0000000000 R14: 0000000000000005 R15: ffffffff8ecbc3a0 unwind_next_frame+0x853/0x2970 arch/x86/kernel/unwind_orc.c:517 __unwind_start+0x66a/0x7e0 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xf8/0x190 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf7/0x1f0 mm/page_owner.c:128 __set_page_owner+0x1d/0x60 mm/page_owner.c:192 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554 prep_new_page mm/page_alloc.c:1561 [inline] get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191 __alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457 alloc_slab_page+0x5d/0x170 mm/slub.c:1876 allocate_slab mm/slub.c:2023 [inline] new_slab+0x87/0x2e0 mm/slub.c:2076 ___slab_alloc+0xc6d/0x12f0 mm/slub.c:3230 __slab_alloc mm/slub.c:3329 [inline] __slab_alloc_node mm/slub.c:3382 [inline] slab_alloc_node mm/slub.c:3475 [inline] kmem_cache_alloc_node+0x1ea/0x330 mm/slub.c:3530 __alloc_skb+0x108/0x2c0 net/core/skbuff.c:640 alloc_skb include/linux/skbuff.h:1284 [inline] alloc_uevent_skb+0x7d/0x230 lib/kobject_uevent.c:290 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline] kobject_uevent_net_broadcast+0x2e6/0x530 lib/kobject_uevent.c:409 kobject_uevent_env+0x550/0x8c0 lib/kobject_uevent.c:608 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 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x903/0x23c0 kernel/exit.c:874 do_group_exit+0x21b/0x2d0 kernel/exit.c:1023 get_signal+0x12fc/0x1400 kernel/signal.c:2902 arch_do_signal_or_restart+0x96/0x780 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 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: 0033:0x7fb91e18e929 Code: Unable to access opcode bytes at 0x7fb91e18e8ff. RSP: 002b:00007fb91ef5f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: fffffffffffffffc RBX: 00007fb91e3b5fa0 RCX: 00007fb91e18e929 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000062040200 RBP: 00007fb91e210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb91e3b5fa0 R15: 00007ffc1185b498 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: f3 0f 1e fa endbr64 6: 53 push %rbx 7: 48 89 fb mov %rdi,%rbx a: e8 13 00 00 00 call 0x22 f: 48 8b 3d 8c 17 c4 0c mov 0xcc4178c(%rip),%rdi # 0xcc417a2 16: 48 89 de mov %rbx,%rsi 19: 5b pop %rbx 1a: e9 83 d6 57 00 jmp 0x57d6a2 1f: cc int3 20: cc int3 21: cc int3 22: f3 0f 1e fa endbr64 26: 48 8b 04 24 mov (%rsp),%rax * 2a: 65 48 8b 0d 20 24 7e mov %gs:0x7e7e2420(%rip),%rcx # 0x7e7e2452 <-- trapping instruction 31: 7e 32: 65 8b 15 21 24 7e 7e mov %gs:0x7e7e2421(%rip),%edx # 0x7e7e245a 39: 81 e2 00 01 ff 00 and $0xff0100,%edx 3f: 74 .byte 0x74