Warning: Permanently added '10.128.1.149' (ED25519) to the list of known hosts. 1970/01/01 00:01:23 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:23 ignoring optional flag "type"="gce" 1970/01/01 00:01:24 parsed 1 programs [ 86.648587][ T4423] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 92.152065][ T4440] chnl_net:caif_netlink_parms(): no params data found [ 92.186495][ T4440] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.188340][ T4440] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.190796][ T4440] device bridge_slave_0 entered promiscuous mode [ 92.194246][ T4440] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.196053][ T4440] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.198958][ T4440] device bridge_slave_1 entered promiscuous mode [ 92.216580][ T4440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.222342][ T4440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.237294][ T4440] team0: Port device team_slave_0 added [ 92.242953][ T4440] team0: Port device team_slave_1 added [ 92.257621][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.259751][ T4440] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.266026][ T4440] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.270066][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.271853][ T4440] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.278147][ T4440] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.331363][ T4440] device hsr_slave_0 entered promiscuous mode [ 92.368835][ T4440] device hsr_slave_1 entered promiscuous mode [ 93.203988][ T4440] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.270455][ T4440] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.306386][ T4440] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.341348][ T4440] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.474505][ T4440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.490080][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.494205][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.499825][ T4440] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.504335][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.506901][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.512103][ T1889] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.514047][ T1889] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.531582][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.535987][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.539075][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.550226][ T1889] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.552276][ T1889] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.557150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.564742][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.581097][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.584475][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.587152][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.606882][ T4440] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 93.612042][ T4440] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.615673][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.621224][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.623803][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.626389][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.629727][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.632046][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.637872][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.785680][ T4440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.788286][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.791119][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.805037][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.807823][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.830601][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.833286][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.836067][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.842073][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.852218][ T4440] device veth0_vlan entered promiscuous mode [ 93.861343][ T4440] device veth1_vlan entered promiscuous mode [ 93.876430][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.884468][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.886978][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.891094][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.895735][ T4440] device veth0_macvtap entered promiscuous mode [ 93.901413][ T4440] device veth1_macvtap entered promiscuous mode [ 93.912223][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.914148][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.916691][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.920354][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.923338][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.930716][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.933205][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.936337][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.946574][ T4440] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.950263][ T4440] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.952736][ T4440] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.954972][ T4440] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.796362][ T153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.126639][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.128827][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.131644][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 95.148297][ T1889] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.155122][ T1889] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.158095][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:35 executed programs: 0 [ 96.116789][ T4669] chnl_net:caif_netlink_parms(): no params data found [ 96.163075][ T4669] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.164984][ T4669] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.167668][ T4669] device bridge_slave_0 entered promiscuous mode [ 96.172789][ T4669] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.174660][ T4669] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.177168][ T4669] device bridge_slave_1 entered promiscuous mode [ 96.196539][ T4669] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.201595][ T4669] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.219358][ T4669] team0: Port device team_slave_0 added [ 96.222737][ T4669] team0: Port device team_slave_1 added [ 96.236539][ T4669] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.238893][ T4669] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.245392][ T4669] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.249781][ T4669] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.251503][ T4669] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.258047][ T4669] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.320414][ T4669] device hsr_slave_0 entered promiscuous mode [ 96.358817][ T4669] device hsr_slave_1 entered promiscuous mode [ 96.398837][ T4669] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 96.400712][ T4669] Cannot create hsr debugfs directory [ 97.265097][ T153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.039077][ T1534] Bluetooth: hci0: command 0x0409 tx timeout [ 99.704155][ T153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.765243][ T153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.108858][ T4123] Bluetooth: hci0: command 0x041b tx timeout [ 100.656747][ T4669] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.690774][ T4669] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.730892][ T4669] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.794465][ T4669] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.872094][ T4669] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.880963][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 100.883368][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.887150][ T4669] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.891912][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 100.894569][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.897044][ T1889] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.898939][ T1889] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.901343][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 100.906306][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 100.911656][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 100.914201][ T1889] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.916047][ T1889] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.921838][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 100.927136][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 100.935098][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 100.939355][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 100.942571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 100.947091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 100.952544][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 100.957904][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 100.961685][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 100.967897][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 100.971306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.976020][ T4669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 101.050302][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 101.052317][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 101.058085][ T4669] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.070585][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 101.074670][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 101.091123][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 101.093707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 101.096356][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 101.100039][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 101.103726][ T4669] device veth0_vlan entered promiscuous mode [ 101.110659][ T4669] device veth1_vlan entered promiscuous mode [ 101.126151][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 101.131587][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 101.134153][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 101.136805][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 101.141771][ T4669] device veth0_macvtap entered promiscuous mode [ 101.146221][ T4669] device veth1_macvtap entered promiscuous mode [ 101.158168][ T4669] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 101.161755][ T4669] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 101.165172][ T4669] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.167712][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 101.171893][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 101.174323][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 101.176858][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 101.201415][ T4669] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 101.204143][ T4669] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 101.207570][ T4669] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.211916][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 101.214665][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 101.237131][ T4669] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.239831][ T4669] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.241996][ T4669] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.244222][ T4669] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.278171][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.281031][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.283995][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 101.309604][ T1889] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.311621][ T1889] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.314263][ T1889] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:41 executed programs: 2 [ 101.618620][ T4078] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 101.858572][ T4078] usb 1-1: Using ep0 maxpacket: 32 [ 101.978962][ T4078] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 101.981420][ T4078] usb 1-1: config 0 has no interface number 0 [ 102.138644][ T4078] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 102.141134][ T4078] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 102.143197][ T4078] usb 1-1: Product: syz [ 102.144218][ T4078] usb 1-1: Manufacturer: syz [ 102.145363][ T4078] usb 1-1: SerialNumber: syz [ 102.150209][ T4078] usb 1-1: config 0 descriptor?? [ 102.198795][ T4122] Bluetooth: hci0: command 0x040f tx timeout [ 102.392106][ T4082] usb 1-1: USB disconnect, device number 2 [ 102.397308][ T4082] ================================================================== [ 102.399412][ T4082] BUG: KASAN: use-after-free in hdm_disconnect+0xf8/0x190 [ 102.401225][ T4082] Read of size 8 at addr ffff0000d7491978 by task kworker/1:8/4082 [ 102.403221][ T4082] [ 102.403772][ T4082] CPU: 1 PID: 4082 Comm: kworker/1:8 Not tainted 5.15.174-syzkaller #0 [ 102.405886][ T4082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 102.408436][ T4082] Workqueue: usb_hub_wq hub_event [ 102.409749][ T4082] Call trace: [ 102.410554][ T4082] dump_backtrace+0x0/0x530 [ 102.411804][ T4082] show_stack+0x2c/0x3c [ 102.412952][ T4082] dump_stack_lvl+0x108/0x170 [ 102.414142][ T4082] print_address_description+0x7c/0x3f0 [ 102.415528][ T4082] kasan_report+0x174/0x1e4 [ 102.416628][ T4082] __asan_report_load8_noabort+0x44/0x50 [ 102.418136][ T4082] hdm_disconnect+0xf8/0x190 [ 102.419416][ T4082] usb_unbind_interface+0x1a4/0x758 [ 102.420818][ T4082] device_release_driver_internal+0x464/0x6ac [ 102.422491][ T4082] device_release_driver+0x28/0x38 [ 102.423801][ T4082] bus_remove_device+0x298/0x38c [ 102.425123][ T4082] device_del+0x57c/0x9b4 [ 102.426234][ T4082] usb_disable_device+0x354/0x760 [ 102.427645][ T4082] usb_disconnect+0x290/0x7e8 [ 102.428948][ T4082] hub_event+0x1718/0x46b8 [ 102.430182][ T4082] process_one_work+0x790/0x11b8 [ 102.431599][ T4082] worker_thread+0x910/0x1034 [ 102.432976][ T4082] kthread+0x37c/0x45c [ 102.434159][ T4082] ret_from_fork+0x10/0x20 [ 102.435338][ T4082] [ 102.435957][ T4082] Allocated by task 4078: [ 102.437220][ T4082] ____kasan_kmalloc+0xbc/0xfc [ 102.438492][ T4082] __kasan_kmalloc+0x10/0x1c [ 102.439739][ T4082] kmem_cache_alloc_trace+0x27c/0x47c [ 102.441081][ T4082] hdm_probe+0xa4/0x1044 [ 102.442214][ T4082] usb_probe_interface+0x500/0x984 [ 102.443593][ T4082] really_probe+0x26c/0xaec [ 102.444792][ T4082] __driver_probe_device+0x194/0x3b4 [ 102.446268][ T4082] driver_probe_device+0x78/0x34c [ 102.447627][ T4082] __device_attach_driver+0x28c/0x4d8 [ 102.449059][ T4082] bus_for_each_drv+0x158/0x1e0 [ 102.450402][ T4082] __device_attach+0x2f0/0x480 [ 102.451667][ T4082] device_initial_probe+0x24/0x34 [ 102.453004][ T4082] bus_probe_device+0xbc/0x1c8 [ 102.454257][ T4082] device_add+0xae0/0xef4 [ 102.455522][ T4082] usb_set_configuration+0x15e0/0x1b60 [ 102.457056][ T4082] usb_generic_driver_probe+0x8c/0x148 [ 102.458492][ T4082] usb_probe_device+0x120/0x25c [ 102.459756][ T4082] really_probe+0x26c/0xaec [ 102.460923][ T4082] __driver_probe_device+0x194/0x3b4 [ 102.462372][ T4082] driver_probe_device+0x78/0x34c [ 102.463731][ T4082] __device_attach_driver+0x28c/0x4d8 [ 102.465149][ T4082] bus_for_each_drv+0x158/0x1e0 [ 102.466417][ T4082] __device_attach+0x2f0/0x480 [ 102.467724][ T4082] device_initial_probe+0x24/0x34 [ 102.468998][ T4082] bus_probe_device+0xbc/0x1c8 [ 102.470254][ T4082] device_add+0xae0/0xef4 [ 102.471447][ T4082] usb_new_device+0x900/0x145c [ 102.472773][ T4082] hub_event+0x236c/0x46b8 [ 102.473983][ T4082] process_one_work+0x790/0x11b8 [ 102.475325][ T4082] worker_thread+0x910/0x1034 [ 102.476656][ T4082] kthread+0x37c/0x45c [ 102.477767][ T4082] ret_from_fork+0x10/0x20 [ 102.479003][ T4082] [ 102.479678][ T4082] Freed by task 4082: [ 102.480723][ T4082] kasan_set_track+0x4c/0x84 [ 102.481984][ T4082] kasan_set_free_info+0x28/0x4c [ 102.483406][ T4082] ____kasan_slab_free+0x118/0x164 [ 102.484844][ T4082] __kasan_slab_free+0x18/0x28 [ 102.486149][ T4082] slab_free_freelist_hook+0x128/0x1ec [ 102.487677][ T4082] kfree+0x178/0x410 [ 102.488704][ T4082] release_mdev+0x20/0x30 [ 102.489860][ T4082] device_release+0x8c/0x1ac [ 102.491209][ T4082] kobject_put+0x2c4/0x438 [ 102.492353][ T4082] device_unregister+0x3c/0xcc [ 102.493724][ T4082] most_deregister_interface+0x3e0/0x42c [ 102.495260][ T4082] hdm_disconnect+0xe0/0x190 [ 102.496521][ T4082] usb_unbind_interface+0x1a4/0x758 [ 102.497950][ T4082] device_release_driver_internal+0x464/0x6ac [ 102.499616][ T4082] device_release_driver+0x28/0x38 [ 102.500996][ T4082] bus_remove_device+0x298/0x38c [ 102.502375][ T4082] device_del+0x57c/0x9b4 [ 102.503523][ T4082] usb_disable_device+0x354/0x760 [ 102.504923][ T4082] usb_disconnect+0x290/0x7e8 [ 102.506178][ T4082] hub_event+0x1718/0x46b8 [ 102.507411][ T4082] process_one_work+0x790/0x11b8 [ 102.508851][ T4082] worker_thread+0x910/0x1034 [ 102.510067][ T4082] kthread+0x37c/0x45c [ 102.511210][ T4082] ret_from_fork+0x10/0x20 [ 102.512407][ T4082] [ 102.513006][ T4082] The buggy address belongs to the object at ffff0000d7490000 [ 102.513006][ T4082] which belongs to the cache kmalloc-8k of size 8192 [ 102.516871][ T4082] The buggy address is located 6520 bytes inside of [ 102.516871][ T4082] 8192-byte region [ffff0000d7490000, ffff0000d7492000) [ 102.520600][ T4082] The buggy address belongs to the page: [ 102.522076][ T4082] page:000000009d30dd96 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117490 [ 102.524871][ T4082] head:000000009d30dd96 order:3 compound_mapcount:0 compound_pincount:0 [ 102.527136][ T4082] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 102.529269][ T4082] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002c00 [ 102.531646][ T4082] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 102.533937][ T4082] page dumped because: kasan: bad access detected [ 102.535645][ T4082] [ 102.536265][ T4082] Memory state around the buggy address: [ 102.537809][ T4082] ffff0000d7491800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.539940][ T4082] ffff0000d7491880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.542071][ T4082] >ffff0000d7491900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.544228][ T4082] ^ [ 102.546333][ T4082] ffff0000d7491980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.548474][ T4082] ffff0000d7491a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.550551][ T4082] ================================================================== [ 102.552644][ T4082] Disabling lock debugging due to kernel taint [ 102.554942][ T4082] ------------[ cut here ]------------ [ 102.556422][ T4082] refcount_t: underflow; use-after-free. [ 102.558173][ T4082] WARNING: CPU: 1 PID: 4082 at lib/refcount.c:28 refcount_warn_saturate+0x1c8/0x20c [ 102.560793][ T4082] Modules linked in: [ 102.561783][ T4082] CPU: 1 PID: 4082 Comm: kworker/1:8 Tainted: G B 5.15.174-syzkaller #0 [ 102.564321][ T4082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 102.567020][ T4082] Workqueue: usb_hub_wq hub_event [ 102.568484][ T4082] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 102.570511][ T4082] pc : refcount_warn_saturate+0x1c8/0x20c [ 102.572111][ T4082] lr : refcount_warn_saturate+0x1c8/0x20c [ 102.573667][ T4082] sp : ffff8000207d72f0 [ 102.574769][ T4082] x29: ffff8000207d72f0 x28: ffff800016aced00 x27: ffff0000da13a000 [ 102.576961][ T4082] x26: 1fffe0001ab19807 x25: dfff800000000000 x24: ffff0000d58c8030 [ 102.579244][ T4082] x23: 1fffe0001ae920bb x22: ffff0000d58cc03c x21: 0000000000000003 [ 102.581393][ T4082] x20: ffff0000d58cc038 x19: ffff800016fcd000 x18: 0000000000000001 [ 102.583431][ T4082] x17: 0000000000000000 x16: ffff800008336558 x15: 00000000ffffffff [ 102.585709][ T4082] x14: ffff0000c8423680 x13: 0000000000000001 x12: 0000000000000001 [ 102.587888][ T4082] x11: 0000000000000000 x10: 0000000000000000 x9 : b34040b356dd9300 [ 102.590138][ T4082] x8 : b34040b356dd9300 x7 : 0000000000000001 x6 : 0000000000000001 [ 102.592437][ T4082] x5 : ffff8000207d6a58 x4 : ffff800014c50660 x3 : ffff8000083366a4 [ 102.594684][ T4082] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 102.596825][ T4082] Call trace: [ 102.597724][ T4082] refcount_warn_saturate+0x1c8/0x20c [ 102.599148][ T4082] kobject_put+0x1a8/0x438 [ 102.600427][ T4082] put_device+0x28/0x40 [ 102.601578][ T4082] hdm_disconnect+0x170/0x190 [ 102.602931][ T4082] usb_unbind_interface+0x1a4/0x758 [ 102.604440][ T4082] device_release_driver_internal+0x464/0x6ac [ 102.606206][ T4082] device_release_driver+0x28/0x38 [ 102.607533][ T4082] bus_remove_device+0x298/0x38c [ 102.608915][ T4082] device_del+0x57c/0x9b4 [ 102.610076][ T4082] usb_disable_device+0x354/0x760 [ 102.611426][ T4082] usb_disconnect+0x290/0x7e8 [ 102.612683][ T4082] hub_event+0x1718/0x46b8 [ 102.613845][ T4082] process_one_work+0x790/0x11b8 [ 102.615226][ T4082] worker_thread+0x910/0x1034 [ 102.616557][ T4082] kthread+0x37c/0x45c [ 102.617715][ T4082] ret_from_fork+0x10/0x20 [ 102.618879][ T4082] irq event stamp: 66604 [ 102.620025][ T4082] hardirqs last enabled at (66603): [] kasan_quarantine_put+0xdc/0x204 [ 102.622766][ T4082] hardirqs last disabled at (66604): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 102.625566][ T4082] softirqs last enabled at (65928): [] __fib6_clean_all+0x2ac/0x428 [ 102.628197][ T4082] softirqs last disabled at (65922): [] __fib6_clean_all+0x1e8/0x428 [ 102.630871][ T4082] ---[ end trace 6d6c727493c01ec4 ]--- [ 102.911413][ T153] device hsr_slave_0 left promiscuous mode [ 102.948959][ T153] device hsr_slave_1 left promiscuous mode [ 103.038594][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 103.040521][ T153] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 103.042809][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 103.044800][ T153] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 103.047035][ T153] device bridge_slave_1 left promiscuous mode [ 103.049428][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.089685][ T153] device bridge_slave_0 left promiscuous mode [ 103.091364][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.208771][ T153] device veth1_macvtap left promiscuous mode [ 103.210297][ T153] device veth0_macvtap left promiscuous mode [ 103.211820][ T153] device veth1_vlan left promiscuous mode [ 103.213233][ T153] device veth0_vlan left promiscuous mode [ 103.248803][ T4124] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 103.364546][ T153] team0 (unregistering): Port device team_slave_1 removed [ 103.371707][ T153] team0 (unregistering): Port device team_slave_0 removed [ 103.377821][ T153] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 103.415046][ T153] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 103.488556][ T4124] usb 1-1: Using ep0 maxpacket: 32 [ 103.526198][ T153] bond0 (unregistering): Released all slaves [ 103.608520][ T4124] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 103.610606][ T4124] usb 1-1: config 0 has no interface number 0 [ 103.788738][ T4124] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 103.791144][ T4124] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 103.793140][ T4124] usb 1-1: Product: syz [ 103.794229][ T4124] usb 1-1: Manufacturer: syz [ 103.795380][ T4124] usb 1-1: SerialNumber: syz [ 103.799990][ T4124] usb 1-1: config 0 descriptor?? [ 104.049572][ T4082] usb 1-1: USB disconnect, device number 3 [ 104.268587][ T4082] Bluetooth: hci0: command 0x0419 tx timeout [ 104.828542][ T4082] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 105.088524][ T4082] usb 1-1: Using ep0 maxpacket: 32 [ 105.228522][ T4082] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 105.230657][ T4082] usb 1-1: config 0 has no interface number 0 [ 105.409021][ T4082] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 105.411311][ T4082] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 105.413338][ T4082] usb 1-1: Product: syz [ 105.414350][ T4082] usb 1-1: Manufacturer: syz [ 105.415467][ T4082] usb 1-1: SerialNumber: syz [ 105.418731][ T4082] usb 1-1: config 0 descriptor?? [ 105.669375][ T4082] usb 1-1: USB disconnect, device number 4 [ 106.448564][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 106.708515][ T7] usb 1-1: Using ep0 maxpacket: 32 [ 106.828529][ T7] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 106.830704][ T7] usb 1-1: config 0 has no interface number 0 [ 106.998540][ T7] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 107.001052][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 107.003042][ T7] usb 1-1: Product: syz [ 107.004119][ T7] usb 1-1: Manufacturer: syz [ 107.005253][ T7] usb 1-1: SerialNumber: syz [ 107.008422][ T7] usb 1-1: config 0 descriptor?? [ 107.251838][ T7] usb 1-1: USB disconnect, device number 5 1970/01/01 00:01:47 executed programs: 6 [ 108.048625][ T4082] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 108.288549][ T4082] usb 1-1: Using ep0 maxpacket: 32 [ 108.418578][ T4082] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 108.420729][ T4082] usb 1-1: config 0 has no interface number 0 [ 108.618578][ T4082] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 108.621175][ T4082] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 108.623221][ T4082] usb 1-1: Product: syz [ 108.624257][ T4082] usb 1-1: Manufacturer: syz [ 108.625366][ T4082] usb 1-1: SerialNumber: syz [ 108.628084][ T4082] usb 1-1: config 0 descriptor?? [ 108.869492][ T4082] usb 1-1: USB disconnect, device number 6 [ 109.648464][ T7] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 109.898472][ T7] usb 1-1: Using ep0 maxpacket: 32 [ 110.038622][ T7] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 110.040973][ T7] usb 1-1: config 0 has no interface number 0 [ 110.248605][ T7] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 110.251056][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 110.253131][ T7] usb 1-1: Product: syz [ 110.254176][ T7] usb 1-1: Manufacturer: syz [ 110.255336][ T7] usb 1-1: SerialNumber: syz [ 110.258869][ T7] usb 1-1: config 0 descriptor?? [ 110.510207][ T4082] usb 1-1: USB disconnect, device number 7 [ 111.298519][ T4082] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 111.538517][ T4082] usb 1-1: Using ep0 maxpacket: 32 [ 111.658624][ T4082] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 111.660716][ T4082] usb 1-1: config 0 has no interface number 0 [ 111.818753][ T4082] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 111.821025][ T4082] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 111.823051][ T4082] usb 1-1: Product: syz [ 111.824108][ T4082] usb 1-1: Manufacturer: syz [ 111.825281][ T4082] usb 1-1: SerialNumber: syz [ 111.828321][ T4082] usb 1-1: config 0 descriptor?? [ 112.069260][ T4082] usb 1-1: USB disconnect, device number 8