Warning: Permanently added '10.128.1.85' (ED25519) to the list of known hosts. 1970/01/01 00:01:21 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:21 ignoring optional flag "type"="gce" 1970/01/01 00:01:21 parsed 1 programs [ 84.682456][ T4412] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 93.119658][ T4442] chnl_net:caif_netlink_parms(): no params data found [ 93.153977][ T4442] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.155911][ T4442] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.158466][ T4442] device bridge_slave_0 entered promiscuous mode [ 93.161986][ T4442] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.164769][ T4442] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.167281][ T4442] device bridge_slave_1 entered promiscuous mode [ 93.185037][ T4442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.189975][ T4442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.205678][ T4442] team0: Port device team_slave_0 added [ 93.208802][ T4442] team0: Port device team_slave_1 added [ 93.221925][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.224183][ T4442] 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. [ 93.231035][ T4442] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.238381][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.240159][ T4442] 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. [ 93.247178][ T4442] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.305400][ T4442] device hsr_slave_0 entered promiscuous mode [ 93.343591][ T4442] device hsr_slave_1 entered promiscuous mode [ 94.134288][ T4442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.175439][ T4442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.215006][ T4442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.266331][ T4442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.395020][ T4442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.417905][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.420317][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.426139][ T4442] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.436789][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.439498][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.441760][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.443718][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.450854][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.454580][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.458910][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.461358][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.463110][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.475578][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.478689][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.481463][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.485930][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.497433][ T4442] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 94.500101][ T4442] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.505083][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.507609][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.510263][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.513863][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.516321][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.526397][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.530355][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.537302][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.671263][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.673645][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 94.685318][ T4442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.714623][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.717273][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.736761][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.739240][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.742194][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.746211][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.751433][ T4442] device veth0_vlan entered promiscuous mode [ 94.757617][ T4442] device veth1_vlan entered promiscuous mode [ 94.775660][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.778190][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.780625][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.790177][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.795252][ T4442] device veth0_macvtap entered promiscuous mode [ 94.799237][ T4442] device veth1_macvtap entered promiscuous mode [ 94.819358][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.821242][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.827524][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.832865][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.835961][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.840800][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.842800][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.848032][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.855059][ T4442] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.857150][ T4442] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.859292][ T4442] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.861392][ T4442] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.244106][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.700921][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.019615][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.090656][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.475521][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.477642][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.480408][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 100.492502][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.496338][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.499256][ T1693] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:41 executed programs: 0 [ 101.736906][ T4888] chnl_net:caif_netlink_parms(): no params data found [ 101.801298][ T4888] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.803107][ T4888] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.805571][ T4888] device bridge_slave_0 entered promiscuous mode [ 101.810420][ T4888] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.812271][ T4888] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.815388][ T4888] device bridge_slave_1 entered promiscuous mode [ 101.832650][ T4888] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.837321][ T4888] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.855276][ T4888] team0: Port device team_slave_0 added [ 101.858689][ T4888] team0: Port device team_slave_1 added [ 101.872448][ T4888] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.874697][ T4888] 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. [ 101.880853][ T4888] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.917365][ T4888] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.919046][ T4888] 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. [ 101.926028][ T4888] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.977967][ T4888] device hsr_slave_0 entered promiscuous mode [ 102.013826][ T4888] device hsr_slave_1 entered promiscuous mode [ 102.053460][ T4888] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 102.055520][ T4888] Cannot create hsr debugfs directory [ 102.620238][ T4888] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 102.655353][ T4888] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.695944][ T4888] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 102.737105][ T4888] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 102.832744][ T9] device hsr_slave_0 left promiscuous mode [ 102.854949][ T9] device hsr_slave_1 left promiscuous mode [ 102.913405][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.915325][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.917613][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.919583][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.921925][ T9] device bridge_slave_1 left promiscuous mode [ 102.925013][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.964504][ T9] device bridge_slave_0 left promiscuous mode [ 102.966067][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.083554][ T9] device veth1_macvtap left promiscuous mode [ 103.085069][ T9] device veth0_macvtap left promiscuous mode [ 103.086726][ T9] device veth1_vlan left promiscuous mode [ 103.088271][ T9] device veth0_vlan left promiscuous mode [ 103.291555][ T9] team0 (unregistering): Port device team_slave_1 removed [ 103.302241][ T9] team0 (unregistering): Port device team_slave_0 removed [ 103.312363][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 103.361415][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 103.490234][ T9] bond0 (unregistering): Released all slaves [ 103.623281][ T4093] Bluetooth: hci1: command 0x0409 tx timeout [ 103.626751][ T4888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.634330][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 103.636594][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 103.643357][ T4888] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.648948][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 103.651627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 103.655274][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.657044][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.666706][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 103.669120][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 103.671728][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 103.674749][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.676526][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.678741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 103.697735][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 103.700716][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 103.707488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 103.710242][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 103.721778][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 103.725484][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 103.728065][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 103.731651][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 103.736928][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 103.741704][ T4888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 103.745041][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 103.831632][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 103.837797][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 103.848269][ T4888] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.867564][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 103.870028][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 103.893868][ T4888] device veth0_vlan entered promiscuous mode [ 103.896155][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 103.898840][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 103.901597][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 103.907003][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 103.913094][ T4888] device veth1_vlan entered promiscuous mode [ 103.932109][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 103.935651][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 103.938146][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 103.941216][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 103.951258][ T4888] device veth0_macvtap entered promiscuous mode [ 103.956265][ T4888] device veth1_macvtap entered promiscuous mode [ 103.970906][ T4888] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.972909][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 103.977879][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 103.980427][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 103.986017][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 103.991580][ T4888] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.994340][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 103.997464][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 104.002355][ T4888] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.007288][ T4888] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.009533][ T4888] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.011873][ T4888] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.079478][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.081587][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.087941][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 104.112401][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.117024][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.119884][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 104.434841][ T4093] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 104.674933][ T4093] usb 1-1: Using ep0 maxpacket: 32 [ 104.793519][ T4093] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 104.795813][ T4093] usb 1-1: config 0 has no interface number 0 [ 104.953759][ T4093] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 104.956031][ T4093] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 104.957933][ T4093] usb 1-1: Product: syz [ 104.959436][ T4093] usb 1-1: Manufacturer: syz [ 104.960572][ T4093] usb 1-1: SerialNumber: syz [ 104.973601][ T4093] usb 1-1: config 0 descriptor?? [ 105.216679][ T4111] usb 1-1: USB disconnect, device number 2 [ 105.221828][ T4111] ================================================================== [ 105.223921][ T4111] BUG: KASAN: use-after-free in hdm_disconnect+0xf8/0x190 [ 105.225688][ T4111] Read of size 8 at addr ffff0000d0f59978 by task kworker/0:7/4111 [ 105.227631][ T4111] [ 105.228246][ T4111] CPU: 0 PID: 4111 Comm: kworker/0:7 Not tainted 5.15.167-syzkaller #0 [ 105.230362][ T4111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 105.232855][ T4111] Workqueue: usb_hub_wq hub_event [ 105.234170][ T4111] Call trace: [ 105.234981][ T4111] dump_backtrace+0x0/0x530 [ 105.236124][ T4111] show_stack+0x2c/0x3c [ 105.237137][ T4111] dump_stack_lvl+0x108/0x170 [ 105.238238][ T4111] print_address_description+0x7c/0x3f0 [ 105.239598][ T4111] kasan_report+0x174/0x1e4 [ 105.240687][ T4111] __asan_report_load8_noabort+0x44/0x50 [ 105.242049][ T4111] hdm_disconnect+0xf8/0x190 [ 105.243224][ T4111] usb_unbind_interface+0x1a4/0x758 [ 105.244489][ T4111] device_release_driver_internal+0x464/0x6ac [ 105.246046][ T4111] device_release_driver+0x28/0x38 [ 105.247328][ T4111] bus_remove_device+0x298/0x38c [ 105.248482][ T4111] device_del+0x57c/0x9b4 [ 105.249509][ T4111] usb_disable_device+0x354/0x760 [ 105.250703][ T4111] usb_disconnect+0x290/0x7e8 [ 105.251822][ T4111] hub_event+0x1718/0x46b8 [ 105.252916][ T4111] process_one_work+0x790/0x11b8 [ 105.254209][ T4111] worker_thread+0x910/0x1034 [ 105.255383][ T4111] kthread+0x37c/0x45c [ 105.256472][ T4111] ret_from_fork+0x10/0x20 [ 105.257517][ T4111] [ 105.258081][ T4111] Allocated by task 4093: [ 105.259120][ T4111] ____kasan_kmalloc+0xbc/0xfc [ 105.260243][ T4111] __kasan_kmalloc+0x10/0x1c [ 105.261420][ T4111] kmem_cache_alloc_trace+0x27c/0x47c [ 105.262793][ T4111] hdm_probe+0xa4/0x1044 [ 105.263994][ T4111] usb_probe_interface+0x500/0x984 [ 105.265380][ T4111] really_probe+0x26c/0xaec [ 105.266552][ T4111] __driver_probe_device+0x194/0x3b4 [ 105.267928][ T4111] driver_probe_device+0x78/0x34c [ 105.269243][ T4111] __device_attach_driver+0x28c/0x4d8 [ 105.270657][ T4111] bus_for_each_drv+0x158/0x1e0 [ 105.271881][ T4111] __device_attach+0x2f0/0x480 [ 105.273142][ T4111] device_initial_probe+0x24/0x34 [ 105.274343][ T4111] bus_probe_device+0xbc/0x1c8 [ 105.275511][ T4111] device_add+0xae0/0xef4 [ 105.276627][ T4111] usb_set_configuration+0x15e0/0x1b60 [ 105.277998][ T4111] usb_generic_driver_probe+0x8c/0x148 [ 105.279446][ T4111] usb_probe_device+0x120/0x25c [ 105.280685][ T4111] really_probe+0x26c/0xaec [ 105.281900][ T4111] __driver_probe_device+0x194/0x3b4 [ 105.283260][ T4111] driver_probe_device+0x78/0x34c [ 105.284631][ T4111] __device_attach_driver+0x28c/0x4d8 [ 105.286010][ T4111] bus_for_each_drv+0x158/0x1e0 [ 105.287293][ T4111] __device_attach+0x2f0/0x480 [ 105.288516][ T4111] device_initial_probe+0x24/0x34 [ 105.289782][ T4111] bus_probe_device+0xbc/0x1c8 [ 105.291046][ T4111] device_add+0xae0/0xef4 [ 105.292171][ T4111] usb_new_device+0x900/0x145c [ 105.293424][ T4111] hub_event+0x236c/0x46b8 [ 105.294586][ T4111] process_one_work+0x790/0x11b8 [ 105.295799][ T4111] worker_thread+0x910/0x1034 [ 105.297026][ T4111] kthread+0x37c/0x45c [ 105.298076][ T4111] ret_from_fork+0x10/0x20 [ 105.299319][ T4111] [ 105.299871][ T4111] Freed by task 4111: [ 105.300953][ T4111] kasan_set_track+0x4c/0x84 [ 105.302097][ T4111] kasan_set_free_info+0x28/0x4c [ 105.303385][ T4111] ____kasan_slab_free+0x118/0x164 [ 105.304742][ T4111] __kasan_slab_free+0x18/0x28 [ 105.305939][ T4111] slab_free_freelist_hook+0x128/0x1ec [ 105.307388][ T4111] kfree+0x178/0x410 [ 105.308414][ T4111] release_mdev+0x20/0x30 [ 105.309522][ T4111] device_release+0x8c/0x1ac [ 105.310646][ T4111] kobject_put+0x2c4/0x438 [ 105.311810][ T4111] device_unregister+0x3c/0xcc [ 105.312979][ T4111] most_deregister_interface+0x3e0/0x42c [ 105.314434][ T4111] hdm_disconnect+0xe0/0x190 [ 105.315581][ T4111] usb_unbind_interface+0x1a4/0x758 [ 105.316917][ T4111] device_release_driver_internal+0x464/0x6ac [ 105.318541][ T4111] device_release_driver+0x28/0x38 [ 105.319903][ T4111] bus_remove_device+0x298/0x38c [ 105.321221][ T4111] device_del+0x57c/0x9b4 [ 105.322318][ T4111] usb_disable_device+0x354/0x760 [ 105.323613][ T4111] usb_disconnect+0x290/0x7e8 [ 105.324808][ T4111] hub_event+0x1718/0x46b8 [ 105.325963][ T4111] process_one_work+0x790/0x11b8 [ 105.327234][ T4111] worker_thread+0x910/0x1034 [ 105.328497][ T4111] kthread+0x37c/0x45c [ 105.329512][ T4111] ret_from_fork+0x10/0x20 [ 105.330574][ T4111] [ 105.331146][ T4111] The buggy address belongs to the object at ffff0000d0f58000 [ 105.331146][ T4111] which belongs to the cache kmalloc-8k of size 8192 [ 105.334776][ T4111] The buggy address is located 6520 bytes inside of [ 105.334776][ T4111] 8192-byte region [ffff0000d0f58000, ffff0000d0f5a000) [ 105.338285][ T4111] The buggy address belongs to the page: [ 105.339734][ T4111] page:00000000265749a4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x110f58 [ 105.342427][ T4111] head:00000000265749a4 order:3 compound_mapcount:0 compound_pincount:0 [ 105.344651][ T4111] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 105.346738][ T4111] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002c00 [ 105.348814][ T4111] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 105.350902][ T4111] page dumped because: kasan: bad access detected [ 105.352586][ T4111] [ 105.353158][ T4111] Memory state around the buggy address: [ 105.354543][ T4111] ffff0000d0f59800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 105.356573][ T4111] ffff0000d0f59880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 105.358674][ T4111] >ffff0000d0f59900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 105.360856][ T4111] ^ [ 105.362880][ T4111] ffff0000d0f59980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 105.364887][ T4111] ffff0000d0f59a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 105.366975][ T4111] ================================================================== [ 105.369027][ T4111] Disabling lock debugging due to kernel taint [ 105.371239][ T4111] ------------[ cut here ]------------ [ 105.372643][ T4111] refcount_t: underflow; use-after-free. [ 105.374417][ T4111] WARNING: CPU: 0 PID: 4111 at lib/refcount.c:28 refcount_warn_saturate+0x1c8/0x20c [ 105.376824][ T4111] Modules linked in: [ 105.377752][ T4111] CPU: 0 PID: 4111 Comm: kworker/0:7 Tainted: G B 5.15.167-syzkaller #0 [ 105.380141][ T4111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 105.382763][ T4111] Workqueue: usb_hub_wq hub_event [ 105.384019][ T4111] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 105.385966][ T4111] pc : refcount_warn_saturate+0x1c8/0x20c [ 105.387476][ T4111] lr : refcount_warn_saturate+0x1c8/0x20c [ 105.388862][ T4111] sp : ffff8000202a72f0 [ 105.389888][ T4111] x29: ffff8000202a72f0 x28: ffff800016a0e140 x27: ffff0000c9aec000 [ 105.391950][ T4111] x26: 1fffe0001a98ca07 x25: dfff800000000000 x24: ffff0000dc060030 [ 105.393911][ T4111] x23: 1fffe0001a1eb0bb x22: ffff0000d4c6503c x21: 0000000000000003 [ 105.395965][ T4111] x20: ffff0000d4c65038 x19: ffff800016f0c000 x18: 1fffe00036831b8e [ 105.398023][ T4111] x17: 1fffe00036831b8e x16: ffff800011ac1408 x15: ffff800014b5ef40 [ 105.400020][ T4111] x14: ffff0001b418dc80 x13: ffff0001b418dc7c x12: 0000000000000001 [ 105.402022][ T4111] x11: 0000000000000000 x10: 0000000000000000 x9 : da1e73c5d68d5400 [ 105.404088][ T4111] x8 : da1e73c5d68d5400 x7 : 0000000000000000 x6 : ffff80000826acb8 [ 105.406116][ T4111] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80000804605c [ 105.408036][ T4111] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 105.410032][ T4111] Call trace: [ 105.410888][ T4111] refcount_warn_saturate+0x1c8/0x20c [ 105.412259][ T4111] kobject_put+0x1a8/0x438 [ 105.413362][ T4111] put_device+0x28/0x40 [ 105.414396][ T4111] hdm_disconnect+0x170/0x190 [ 105.415628][ T4111] usb_unbind_interface+0x1a4/0x758 [ 105.416940][ T4111] device_release_driver_internal+0x464/0x6ac [ 105.418547][ T4111] device_release_driver+0x28/0x38 [ 105.419836][ T4111] bus_remove_device+0x298/0x38c [ 105.421076][ T4111] device_del+0x57c/0x9b4 [ 105.422141][ T4111] usb_disable_device+0x354/0x760 [ 105.423503][ T4111] usb_disconnect+0x290/0x7e8 [ 105.424686][ T4111] hub_event+0x1718/0x46b8 [ 105.425833][ T4111] process_one_work+0x790/0x11b8 [ 105.427126][ T4111] worker_thread+0x910/0x1034 [ 105.428234][ T4111] kthread+0x37c/0x45c [ 105.429254][ T4111] ret_from_fork+0x10/0x20 [ 105.430332][ T4111] irq event stamp: 56792 [ 105.431448][ T4111] hardirqs last enabled at (56791): [] kasan_quarantine_put+0xdc/0x204 [ 105.433922][ T4111] hardirqs last disabled at (56792): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 105.436509][ T4111] softirqs last enabled at (56136): [] handle_softirqs+0xb88/0xdbc [ 105.439003][ T4111] softirqs last disabled at (56113): [] do_softirq+0xfc/0x1b0 [ 105.441352][ T4111] ---[ end trace cf3f885fa433e8be ]--- [ 105.704268][ T4093] Bluetooth: hci1: command 0x041b tx timeout [ 106.074401][ T5028] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 106.333400][ T5028] usb 1-1: Using ep0 maxpacket: 32 [ 106.473541][ T5028] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 106.475708][ T5028] usb 1-1: config 0 has no interface number 0 [ 106.663609][ T5028] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 106.666012][ T5028] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 106.667895][ T5028] usb 1-1: Product: syz [ 106.668940][ T5028] usb 1-1: Manufacturer: syz [ 106.670050][ T5028] usb 1-1: SerialNumber: syz [ 106.674546][ T5028] usb 1-1: config 0 descriptor?? [ 106.914243][ T5027] usb 1-1: USB disconnect, device number 3 1970/01/01 00:01:47 executed programs: 4 [ 107.693354][ T4093] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 107.783429][ T4109] Bluetooth: hci1: command 0x040f tx timeout [ 107.953290][ T4093] usb 1-1: Using ep0 maxpacket: 32 [ 108.103439][ T4093] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 108.105344][ T4093] usb 1-1: config 0 has no interface number 0 [ 108.273447][ T4093] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 108.275733][ T4093] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 108.277782][ T4093] usb 1-1: Product: syz [ 108.278775][ T4093] usb 1-1: Manufacturer: syz [ 108.279938][ T4093] usb 1-1: SerialNumber: syz [ 108.283524][ T4093] usb 1-1: config 0 descriptor?? [ 108.524181][ T4093] usb 1-1: USB disconnect, device number 4 [ 109.303297][ T5027] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 109.563277][ T5027] usb 1-1: Using ep0 maxpacket: 32 [ 109.693326][ T5027] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 109.695460][ T5027] usb 1-1: config 0 has no interface number 0 [ 109.863826][ T4093] Bluetooth: hci1: command 0x0419 tx timeout [ 109.883393][ T5027] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 109.885784][ T5027] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 109.887881][ T5027] usb 1-1: Product: syz [ 109.888881][ T5027] usb 1-1: Manufacturer: syz [ 109.889989][ T5027] usb 1-1: SerialNumber: syz [ 109.892685][ T5027] usb 1-1: config 0 descriptor?? [ 110.135445][ T4093] usb 1-1: USB disconnect, device number 5 [ 110.933283][ T4098] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 111.203374][ T4098] usb 1-1: Using ep0 maxpacket: 32 [ 111.323374][ T4098] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 111.325544][ T4098] usb 1-1: config 0 has no interface number 0 [ 111.484544][ T4098] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 111.486759][ T4098] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 111.488769][ T4098] usb 1-1: Product: syz [ 111.489826][ T4098] usb 1-1: Manufacturer: syz [ 111.490906][ T4098] usb 1-1: SerialNumber: syz [ 111.498722][ T4098] usb 1-1: config 0 descriptor?? [ 111.735949][ T4093] usb 1-1: USB disconnect, device number 6 [ 112.523301][ T4098] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 112.773287][ T4098] usb 1-1: Using ep0 maxpacket: 32 [ 112.893310][ T4098] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 112.895382][ T4098] usb 1-1: config 0 has no interface number 0 [ 113.063407][ T4098] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 113.065618][ T4098] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 113.067581][ T4098] usb 1-1: Product: syz [ 113.068585][ T4098] usb 1-1: Manufacturer: syz [ 113.069603][ T4098] usb 1-1: SerialNumber: syz [ 113.072345][ T4098] usb 1-1: config 0 descriptor?? [ 113.324799][ T4093] usb 1-1: USB disconnect, device number 7 1970/01/01 00:01:53 executed programs: 8 [ 114.103410][ T4093] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 114.343302][ T4093] usb 1-1: Using ep0 maxpacket: 32 [ 114.463333][ T4093] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 114.465412][ T4093] usb 1-1: config 0 has no interface number 0 [ 114.623463][ T4093] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=55.89 [ 114.625834][ T4093] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 114.627708][ T4093] usb 1-1: Product: syz [ 114.628772][ T4093] usb 1-1: Manufacturer: syz [ 114.629866][ T4093] usb 1-1: SerialNumber: syz [ 114.634192][ T4093] usb 1-1: config 0 descriptor?? [ 114.874080][ T4093] usb 1-1: USB disconnect, device number 8