Warning: Permanently added '10.128.1.97' (ED25519) to the list of known hosts. executing program [ 90.595183][ T3322] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 90.955273][ T3322] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 91.035216][ T3322] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 91.037483][ T3322] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 91.039418][ T3322] usb 1-1: SerialNumber: syz [ 91.739905][ T3322] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 92.511786][ T1960] usb 1-1: USB disconnect, device number 2 executing program [ 95.615444][ T1960] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 96.155480][ T1960] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 96.565290][ T1960] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 96.665206][ T1960] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 96.667632][ T1960] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 96.669598][ T1960] usb 1-1: SerialNumber: syz [ 97.358455][ T1960] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 97.526561][ T3322] usb 1-1: USB disconnect, device number 3 [ 97.528851][ T3322] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 97.955189][ T3322] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 98.315213][ T3322] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 98.405431][ T3322] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 98.407638][ T3322] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 98.409587][ T3322] usb 1-1: SerialNumber: syz [ 99.100040][ T3322] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 99.771883][ T3322] usb 1-1: USB disconnect, device number 4 executing program [ 102.509274][ T3322] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 103.025171][ T3322] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 103.425677][ T3322] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 103.505568][ T3322] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 103.507966][ T3322] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 103.509907][ T3322] usb 1-1: SerialNumber: syz [ 104.218341][ T3322] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 104.783234][ T1960] usb 1-1: USB disconnect, device number 5 [ 106.764304][ T1960] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 107.785235][ T1960] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 108.205461][ T1960] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 108.285333][ T1960] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 108.287746][ T1960] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 108.289773][ T1960] usb 1-1: SerialNumber: syz [ 108.987319][ T1960] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 112.312456][ T3322] usb 1-1: USB disconnect, device number 6 executing program executing program executing program [ 125.366263][ T3322] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 125.865423][ T3322] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 126.225407][ T3322] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 126.305428][ T3322] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 126.307736][ T3322] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 126.309727][ T3322] usb 1-1: SerialNumber: syz [ 127.017562][ T3322] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 127.362416][ T3322] usb 1-1: USB disconnect, device number 7 executing program [ 128.557237][ T3322] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 129.045146][ T3322] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 129.405216][ T3322] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 129.485252][ T3322] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 129.487583][ T3322] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 129.489575][ T3322] usb 1-1: SerialNumber: syz [ 130.187349][ T3322] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 130.860823][ T3322] usb 1-1: USB disconnect, device number 8 [ 134.934601][ T3322] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program executing program [ 136.285162][ T3322] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 136.645504][ T3322] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 136.725796][ T3322] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 136.728536][ T3322] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 136.730619][ T3322] usb 1-1: SerialNumber: syz [ 137.437791][ T3322] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 140.884042][ T1960] usb 1-1: USB disconnect, device number 9 executing program [ 145.215351][ C1] ------------[ cut here ]------------ [ 145.216814][ C1] NETDEV WATCHDOG: eth0 (cdc_ether): transmit queue 0 timed out [ 145.219184][ C1] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:478 dev_watchdog+0x89c/0xb4c [ 145.221454][ C1] Modules linked in: [ 145.222444][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.175-syzkaller #0 [ 145.224377][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 145.226964][ C1] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 145.228938][ C1] pc : dev_watchdog+0x89c/0xb4c [ 145.230110][ C1] lr : dev_watchdog+0x89c/0xb4c [ 145.231239][ C1] sp : ffff800008017ab0 [ 145.232378][ C1] x29: ffff800008017b00 x28: ffffffffffffffbf x27: ffff0000db68c000 [ 145.234270][ C1] x26: 0000000000000002 x25: 0000000000000000 x24: 0000000000000000 [ 145.236207][ C1] x23: ffff0000db68c440 x22: ffff0000db68c540 x21: dfff800000000000 [ 145.238151][ C1] x20: 00000000ffffc150 x19: ffff800016fce000 x18: 0000000000000103 [ 145.240064][ C1] x17: 0000000000000000 x16: ffff800011b4eaf8 x15: 00000000ffffffff [ 145.242051][ C1] x14: ffff0000c0a68000 x13: 0000000000000001 x12: 0000000000000001 [ 145.244087][ C1] x11: 0000000000000102 x10: 0000000000000000 x9 : 8754922c57af8f00 [ 145.246091][ C1] x8 : 8754922c57af8f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 145.248067][ C1] x5 : ffff800008017218 x4 : ffff800014c50660 x3 : ffff800008555fe4 [ 145.250009][ C1] x2 : 0000000000000001 x1 : 0000000000000102 x0 : 000000000000003d [ 145.252057][ C1] Call trace: [ 145.252881][ C1] dev_watchdog+0x89c/0xb4c [ 145.253969][ C1] call_timer_fn+0x19c/0x8f0 [ 145.255168][ C1] __run_timers+0x554/0x718 [ 145.256221][ C1] run_timer_softirq+0x7c/0x114 [ 145.257432][ C1] handle_softirqs+0x384/0xdbc [ 145.258642][ C1] __irq_exit_rcu+0x268/0x4d8 [ 145.259891][ C1] irq_exit+0x14/0x88 [ 145.260860][ C1] handle_domain_irq+0xf4/0x178 [ 145.262060][ C1] gic_handle_irq+0x78/0x1c8 [ 145.263219][ C1] call_on_irq_stack+0x24/0x4c [ 145.264480][ C1] do_interrupt_handler+0x74/0x94 [ 145.265741][ C1] el1_interrupt+0x30/0x58 [ 145.266823][ C1] el1h_64_irq_handler+0x18/0x24 [ 145.268058][ C1] el1h_64_irq+0x78/0x7c [ 145.269127][ C1] arch_local_irq_enable+0xc/0x18 [ 145.270433][ C1] default_idle_call+0xcc/0x4a8 [ 145.271629][ C1] do_idle+0x1d4/0x4dc [ 145.272659][ C1] cpu_startup_entry+0x24/0x28 [ 145.273874][ C1] secondary_start_kernel+0x240/0x298 [ 145.275196][ C1] __secondary_switched+0x94/0x98 [ 145.276472][ C1] irq event stamp: 495791 [ 145.277563][ C1] hardirqs last enabled at (495790): [] __up_console_sem+0xb4/0x100 [ 145.279922][ C1] hardirqs last disabled at (495791): [] el1_dbg+0x24/0x80 [ 145.282055][ C1] softirqs last enabled at (495710): [] handle_softirqs+0xb88/0xdbc [ 145.284542][ C1] softirqs last disabled at (495723): [] __irq_exit_rcu+0x268/0x4d8 [ 145.286942][ C1] ---[ end trace a0b00e37f214428a ]--- [ 145.288912][ T1960] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 146.585388][ T1960] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 147.015230][ T1960] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 147.115486][ T1960] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 147.117843][ T1960] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 147.119780][ T1960] usb 1-1: SerialNumber: syz [ 147.828614][ T1960] cdc_ether 1-1:1.0 eth0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 151.092616][ T1960] usb 1-1: USB disconnect, device number 10 executing program [ 153.964281][ T1960] cdc_ether 1-1:1.0 eth0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 155.185156][ T1960] usb 1-1: new high-speed USB device number 11 using dummy_hcd