cm109 3-1:0.8: cm109_urb_ctl_callback: urb status -71 cm109 3-1:0.8: cm109_urb_ctl_callback: urb status -71 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5190 at kernel/kcov.c:870 kcov_remote_start+0x274/0x6e0 kernel/kcov.c:870 Modules linked in: CPU: 0 PID: 5190 Comm: kworker/0:6 Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:kcov_remote_start+0x274/0x6e0 kernel/kcov.c:870 Code: c0 22 49 89 47 08 e9 87 00 00 00 f6 c4 01 0f 85 06 fe ff ff e9 dc fd ff ff 44 8b 95 1c 16 00 00 45 85 d2 0f 84 d5 fe ff ff 90 <0f> 0b 90 e9 b9 00 00 00 65 8b 05 e5 9a 74 7e 49 c7 c0 31 4c 3b 8d RSP: 0018:ffffc90000007570 EFLAGS: 00010002 RAX: 0000000000010102 RBX: 000000000002d648 RCX: ffffffff816c2f4e RDX: 0000000000000002 RSI: ffffffff8b2cc320 RDI: ffffffff8b902bc0 RBP: ffff888026eb5a00 R08: 0000000000000000 R09: fffffbfff2850465 R10: 0000000000000001 R11: 0000000000000007 R12: ffff8880b922d648 R13: 0000000000000000 R14: 0100000000000003 R15: ffff888026eb5a00 FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020062000 CR3: 0000000052a06000 CR4: 0000000000350ef0 Call Trace: kcov_remote_start_usb include/linux/kcov.h:53 [inline] kcov_remote_start_usb_softirq include/linux/kcov.h:66 [inline] __usb_hcd_giveback_urb+0x331/0x5c0 drivers/usb/core/hcd.c:1647 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1732 dummy_timer+0x17f6/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x20f/0xcc0 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x112/0x450 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 66 94 80 f6 48 89 df e8 4e 11 81 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 65 53 72 f6 65 8b 05 f6 58 17 75 85 c0 74 16 5b RSP: 0018:ffffc90000007ae0 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff8880236f2378 RCX: 1ffffffff2855c04 RDX: 0000000000000000 RSI: ffffffff8b2cc020 RDI: ffffffff8b902bc0 RBP: 0000000000000287 R08: 0000000000000001 R09: fffffbfff2850465 R10: ffffffff9428232f R11: 0000000000000009 R12: 0000000000000287 R13: ffff8880236f2378 R14: 0000000000000001 R15: 0000000000000002 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] hub_resubmit_irq_urb+0xe7/0x190 drivers/usb/core/hub.c:694 hub_irq+0x32f/0x440 drivers/usb/core/hub.c:807 __usb_hcd_giveback_urb+0x367/0x5c0 drivers/usb/core/hcd.c:1648 usb_giveback_urb_bh+0x28f/0x570 drivers/usb/core/hcd.c:1682 process_one_work+0x9fe/0x1b60 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] bh_worker+0x5a4/0x8a0 kernel/workqueue.c:3572 workqueue_softirq_action+0x12c/0x190 kernel/workqueue.c:3599 tasklet_hi_action+0x17/0x70 kernel/softirq.c:816 handle_softirqs+0x219/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 66 94 80 f6 48 89 df e8 4e 11 81 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 65 53 72 f6 65 8b 05 f6 58 17 75 85 c0 74 16 5b RSP: 0018:ffffc9000369f4b0 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffffffff8edd5180 RCX: 1ffffffff2855cb3 RDX: 0000000000000000 RSI: ffffffff8b2cc020 RDI: ffffffff8b902bc0 RBP: 0000000000000283 R08: 0000000000000001 R09: fffffbfff2850466 R10: ffffffff94282337 R11: 0000000000000000 R12: 1ffff920006d3e9e R13: ffff88802362623c R14: ffff888023501100 R15: ffff888023501118 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] usb_hcd_poll_rh_status+0x572/0x7f0 drivers/usb/core/hcd.c:762 dummy_hub_control+0x57d/0x1f30 drivers/usb/gadget/udc/dummy_hcd.c:2360 rh_call_control drivers/usb/core/hcd.c:656 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:821 [inline] usb_hcd_submit_urb+0x16b9/0x2090 drivers/usb/core/hcd.c:1529 usb_submit_urb+0x87c/0x1730 drivers/usb/core/urb.c:581 usb_start_wait_urb+0x103/0x4c0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x327/0x4b0 drivers/usb/core/message.c:154 get_port_status drivers/usb/core/hub.c:604 [inline] hub_ext_port_status+0x14e/0x670 drivers/usb/core/hub.c:621 usb_hub_port_status drivers/usb/core/hub.c:671 [inline] port_event drivers/usb/core/hub.c:5714 [inline] hub_event+0x6e0/0x4e20 drivers/usb/core/hub.c:5903 process_one_work+0x9fe/0x1b60 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c4/0x3a0 kernel/kthread.c:389 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---------------- Code disassembly (best guess): 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 66 94 80 f6 call 0xf6809479 13: 48 89 df mov %rbx,%rdi 16: e8 4e 11 81 f6 call 0xf6811169 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 23 jne 0x46 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 37 jne 0x61 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 65 53 72 f6 call 0xf6725399 34: 65 8b 05 f6 58 17 75 mov %gs:0x751758f6(%rip),%eax # 0x75175931 3b: 85 c0 test %eax,%eax 3d: 74 16 je 0x55 3f: 5b pop %rbx