Warning: Permanently added '10.128.0.77' (ED25519) to the list of known hosts. 2024/10/25 07:46:07 ignoring optional flag "sandboxArg"="0" 2024/10/25 07:46:08 parsed 1 programs [ 86.272073][ T24] audit: type=1400 audit(1729842368.010:66): avc: denied { node_bind } for pid=345 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 87.241491][ T24] audit: type=1400 audit(1729842368.980:67): avc: denied { mounton } for pid=350 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 87.242551][ T350] cgroup: Unknown subsys name 'net' [ 87.264083][ T24] audit: type=1400 audit(1729842368.980:68): avc: denied { mount } for pid=350 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 87.290963][ T24] audit: type=1400 audit(1729842369.020:69): avc: denied { unmount } for pid=350 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 87.291122][ T350] cgroup: Unknown subsys name 'devices' [ 87.489036][ T350] cgroup: Unknown subsys name 'hugetlb' [ 87.494518][ T350] cgroup: Unknown subsys name 'rlimit' [ 87.656586][ T24] audit: type=1400 audit(1729842369.390:70): avc: denied { setattr } for pid=350 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=249 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 87.679546][ T24] audit: type=1400 audit(1729842369.400:71): avc: denied { create } for pid=350 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 87.699672][ T24] audit: type=1400 audit(1729842369.400:72): avc: denied { write } for pid=350 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 87.714252][ T357] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 87.719714][ T24] audit: type=1400 audit(1729842369.400:73): avc: denied { read } for pid=350 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 87.748093][ T24] audit: type=1400 audit(1729842369.400:74): avc: denied { module_request } for pid=350 comm="syz-executor" kmod="netdev-wpan0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 87.769650][ T24] audit: type=1400 audit(1729842369.400:75): avc: denied { mounton } for pid=350 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 87.797762][ T350] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 88.205498][ T359] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 88.537360][ T393] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.544199][ T393] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.551720][ T393] device bridge_slave_0 entered promiscuous mode [ 88.559407][ T393] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.566231][ T393] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.573416][ T393] device bridge_slave_1 entered promiscuous mode [ 88.608039][ T393] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.614871][ T393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.622040][ T393] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.628878][ T393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.645427][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.652868][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.659960][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.670279][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.678239][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.685048][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.693278][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 88.701270][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.708101][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.720384][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 88.728958][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 88.741737][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 88.752121][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 88.760198][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 88.767674][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 88.775295][ T393] device veth0_vlan entered promiscuous mode [ 88.785755][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 88.794498][ T393] device veth1_macvtap entered promiscuous mode [ 88.803025][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 88.812692][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2024/10/25 07:46:10 executed programs: 0 [ 88.990480][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.997739][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.004825][ T417] device bridge_slave_0 entered promiscuous mode [ 89.011606][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.018454][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.025528][ T417] device bridge_slave_1 entered promiscuous mode [ 89.059705][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.066659][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.073773][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.080564][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.102454][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.110192][ T398] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.117607][ T398] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.130091][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.138224][ T398] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.145210][ T398] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.153596][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.161813][ T398] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.168668][ T398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.185951][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.194682][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.208298][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 89.223464][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 89.231367][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 89.238640][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 89.251325][ T417] device veth0_vlan entered promiscuous mode [ 89.261079][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 89.273768][ T417] device veth1_macvtap entered promiscuous mode [ 89.282871][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 89.291303][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 89.300445][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 89.308622][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 89.607078][ T15] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 89.967160][ T15] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 90.067362][ T15] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 90.076234][ T15] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 90.084062][ T15] usb 3-1: SerialNumber: syz [ 90.178574][ T49] device bridge_slave_1 left promiscuous mode [ 90.184489][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.192015][ T49] device bridge_slave_0 left promiscuous mode [ 90.197973][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.205395][ T49] device veth1_macvtap left promiscuous mode [ 90.211272][ T49] device veth0_vlan left promiscuous mode [ 90.788258][ T15] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 91.187722][ T445] usb 3-1: USB disconnect, device number 2 [ 91.237454][ T445] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device [ 91.956986][ T15] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 92.317062][ T15] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 92.407232][ T15] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 92.416099][ T15] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 92.423945][ T15] usb 3-1: SerialNumber: syz [ 93.128307][ T15] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 93.527725][ T445] usb 3-1: USB disconnect, device number 3 [ 93.573198][ T445] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device 2024/10/25 07:46:15 executed programs: 4 [ 94.297010][ T429] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 94.657190][ T429] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 94.747131][ T429] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 94.755982][ T429] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 94.763989][ T429] usb 3-1: SerialNumber: syz [ 95.468195][ T429] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 95.868169][ T429] usb 3-1: USB disconnect, device number 4 [ 95.898111][ T429] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device [ 96.637014][ T445] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 96.997051][ T445] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 97.087128][ T445] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 97.096041][ T445] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 97.103917][ T445] usb 3-1: SerialNumber: syz [ 97.798132][ T445] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 98.199080][ T445] usb 3-1: USB disconnect, device number 5 [ 98.242966][ T445] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device [ 98.967105][ T428] usb 3-1: new high-speed USB device number 6 using dummy_hcd [ 99.327132][ T428] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 99.417038][ T428] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 99.425962][ T428] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 99.433835][ T428] usb 3-1: SerialNumber: syz [ 100.138200][ T428] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 100.538100][ T428] usb 3-1: USB disconnect, device number 6 [ 100.568754][ T428] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device 2024/10/25 07:46:22 executed programs: 7 [ 101.307010][ T428] usb 3-1: new high-speed USB device number 7 using dummy_hcd [ 101.677021][ T428] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 101.767120][ T428] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 101.775950][ T428] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 101.783803][ T428] usb 3-1: SerialNumber: syz [ 102.488330][ T428] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 102.726977][ T133] check_preemption_disabled: 35 callbacks suppressed [ 102.726989][ T133] BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/133 [ 102.741965][ T133] caller is debug_smp_processor_id+0x17/0x20 [ 102.747736][ T133] CPU: 1 PID: 133 Comm: dhcpcd Not tainted 5.10.226-syzkaller #0 [ 102.755272][ T133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 102.765163][ T133] Call Trace: [ 102.768295][ T133] dump_stack_lvl+0x1e2/0x24b [ 102.772798][ T133] ? wake_up_klogd+0xb8/0xf0 [ 102.777225][ T133] ? bfq_pos_tree_add_move+0x43b/0x43b [ 102.782523][ T133] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 102.787819][ T133] ? _raw_spin_lock+0x1b0/0x1b0 [ 102.792501][ T133] dump_stack+0x15/0x17 [ 102.796492][ T133] check_preemption_disabled+0xf2/0x100 [ 102.801875][ T133] debug_smp_processor_id+0x17/0x20 [ 102.806909][ T133] usbnet_skb_return+0x48/0x270 [ 102.811613][ T133] usbnet_resume_rx+0x4d/0xd0 [ 102.816107][ T133] usbnet_change_mtu+0x4ed/0x670 [ 102.820881][ T133] dev_set_mtu_ext+0x43c/0x670 [ 102.825481][ T133] ? dev_validate_mtu+0x160/0x160 [ 102.830344][ T133] dev_set_mtu+0xa0/0x180 [ 102.834507][ T133] ? selinux_capable+0x2f1/0x430 [ 102.839282][ T133] ? call_netdevice_notifiers_mtu+0x220/0x220 [ 102.845183][ T133] ? full_name_hash+0xa0/0xf0 [ 102.849696][ T133] dev_ifsioc+0x3a2/0xae0 [ 102.853867][ T133] ? dev_ioctl+0xb40/0xb40 [ 102.858120][ T133] ? dev_get_by_name_rcu+0xc5/0xf0 [ 102.863073][ T133] dev_ioctl+0x526/0xb40 [ 102.867152][ T133] sock_do_ioctl+0x295/0x3a0 [ 102.871573][ T133] ? sock_show_fdinfo+0xa0/0xa0 [ 102.876258][ T133] ? alloc_file_pseudo+0x280/0x2f0 [ 102.881214][ T133] ? selinux_file_ioctl+0x3cc/0x540 [ 102.886237][ T133] sock_ioctl+0x4a6/0x760 [ 102.890404][ T133] ? __fd_install+0x11e/0x220 [ 102.895057][ T133] ? sock_poll+0x340/0x340 [ 102.899312][ T133] ? fd_install+0x50/0x60 [ 102.903475][ T133] ? __sys_socket+0x1d2/0x370 [ 102.907990][ T133] ? security_file_ioctl+0x84/0xb0 [ 102.912933][ T133] ? sock_poll+0x340/0x340 [ 102.917227][ T133] __se_sys_ioctl+0x114/0x190 [ 102.921703][ T133] __x64_sys_ioctl+0x7b/0x90 [ 102.926126][ T133] do_syscall_64+0x34/0x70 [ 102.930382][ T133] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 102.936108][ T133] RIP: 0033:0x7f3a94f8cd49 [ 102.940363][ T133] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 102.959802][ T133] RSP: 002b:00007ffe41725c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 102.968045][ T133] RAX: ffffffffffffffda RBX: 00007f3a94ebe6c0 RCX: 00007f3a94f8cd49 [ 102.975856][ T133] RDX: 00007ffe41735e58 RSI: 0000000000008922 RDI: 0000000000000012 [ 102.983670][ T133] RBP: 00007ffe41746018 R08: 00007ffe41735e18 R09: 00007ffe41735dc8 [ 102.991480][ T133] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 102.999293][ T133] R13: 00007ffe41735e58 R14: 0000000000000028 R15: 0000000000008922 [ 103.010495][ T15] usb 3-1: USB disconnect, device number 7 [ 103.064912][ T15] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device [ 103.776987][ T15] usb 3-1: new high-speed USB device number 8 using dummy_hcd [ 104.137074][ T15] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 104.227089][ T15] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 104.235936][ T15] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 104.243768][ T15] usb 3-1: SerialNumber: syz [ 104.938405][ T15] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 105.337818][ T428] usb 3-1: USB disconnect, device number 8 [ 105.391475][ T428] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device [ 106.107000][ T445] usb 3-1: new high-speed USB device number 9 using dummy_hcd [ 106.467144][ T445] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 106.557100][ T445] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 106.565939][ T445] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 106.573794][ T445] usb 3-1: SerialNumber: syz [ 107.278603][ T445] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 107.678064][ T445] usb 3-1: USB disconnect, device number 9 [ 107.709080][ T445] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device 2024/10/25 07:46:29 executed programs: 10 [ 108.446997][ T426] usb 3-1: new high-speed USB device number 10 using dummy_hcd [ 108.807069][ T426] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 108.897113][ T426] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 108.906477][ T426] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 108.914421][ T426] usb 3-1: SerialNumber: syz [ 109.618384][ T426] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 110.017869][ T15] usb 3-1: USB disconnect, device number 10 [ 110.062253][ T15] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device [ 110.787001][ T443] usb 3-1: new high-speed USB device number 11 using dummy_hcd [ 111.147067][ T443] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 26 [ 111.237116][ T443] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 111.245947][ T443] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 111.253784][ T443] usb 3-1: SerialNumber: syz [ 111.958338][ T443] cdc_ether 3-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.2-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 112.357826][ T15] usb 3-1: USB disconnect, device number 11 [ 112.408890][ T15] cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device