[ 84.086505][ T144] device veth1_macvtap left promiscuous mode [ 84.092800][ T144] device veth0_macvtap left promiscuous mode [ 84.099532][ T144] device veth1_vlan left promiscuous mode [ 84.105374][ T144] device veth0_vlan left promiscuous mode [ 84.307153][ T144] team0 (unregistering): Port device team_slave_1 removed [ 84.324635][ T144] team0 (unregistering): Port device team_slave_0 removed [ 84.337341][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 84.353466][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 84.408559][ T144] bond0 (unregistering): Released all slaves [ 86.689855][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.59' (ED25519) to the list of known hosts. 2025/08/10 12:53:53 ignoring optional flag "sandboxArg"="0" 2025/08/10 12:53:54 parsed 1 programs [ 105.747352][ T4645] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 107.516016][ T4663] chnl_net:caif_netlink_parms(): no params data found [ 107.562372][ T4663] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.569877][ T4663] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.577721][ T4663] device bridge_slave_0 entered promiscuous mode [ 107.586712][ T4663] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.593893][ T4663] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.601936][ T4663] device bridge_slave_1 entered promiscuous mode [ 107.625812][ T4663] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.636748][ T4663] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.661455][ T4663] team0: Port device team_slave_0 added [ 107.671649][ T4663] team0: Port device team_slave_1 added [ 107.691194][ T4663] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 107.698304][ T4663] 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. [ 107.724506][ T4663] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 107.739449][ T4663] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 107.746447][ T4663] 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. [ 107.772561][ T4663] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 107.805785][ T4663] device hsr_slave_0 entered promiscuous mode [ 107.812906][ T4663] device hsr_slave_1 entered promiscuous mode [ 108.546317][ T4663] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.561191][ T4663] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.581885][ T4663] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.601140][ T4663] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.747820][ T4663] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.765123][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 108.773826][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 108.792818][ T4663] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.805425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 108.815501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 108.830852][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.837994][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.859177][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 108.868251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 108.877067][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 108.886039][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.893201][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.906918][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 108.922201][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 108.933726][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 108.943707][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 108.962201][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 108.971162][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 108.982465][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 108.992730][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 109.001732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 109.016403][ T4663] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 109.029263][ T4663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 109.037531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 109.048405][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 109.269789][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 109.277413][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 109.304597][ T4663] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.348599][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 109.367364][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 109.392124][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 109.401748][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 109.420184][ T4663] device veth0_vlan entered promiscuous mode [ 109.428220][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 109.449219][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 109.472932][ T4663] device veth1_vlan entered promiscuous mode [ 109.520160][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 109.537031][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 109.545853][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 109.554605][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 109.565492][ T4663] device veth0_macvtap entered promiscuous mode [ 109.577002][ T4663] device veth1_macvtap entered promiscuous mode [ 109.602340][ T4663] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.610167][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 109.620732][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 109.634035][ T4663] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.643626][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 109.653196][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 109.664775][ T4663] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.691810][ T4663] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.702119][ T4663] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.711246][ T4663] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.274555][ T4288] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.295865][ T4288] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.320670][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 112.332675][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.343893][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.354278][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 112.395829][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/08/10 12:54:06 executed programs: 0 [ 113.556926][ T4900] chnl_net:caif_netlink_parms(): no params data found [ 113.623298][ T4900] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.630552][ T4900] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.639628][ T4900] device bridge_slave_0 entered promiscuous mode [ 113.649970][ T4900] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.657168][ T4900] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.665701][ T4900] device bridge_slave_1 entered promiscuous mode [ 113.697519][ T4900] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 113.712686][ T4900] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 113.747503][ T4900] team0: Port device team_slave_0 added [ 113.759085][ T4900] team0: Port device team_slave_1 added [ 113.786175][ T4900] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 113.796278][ T4900] 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. [ 113.833097][ T4900] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 113.845869][ T4900] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 113.857294][ T4900] 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. [ 113.886000][ T4900] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 113.934424][ T4900] device hsr_slave_0 entered promiscuous mode [ 113.944008][ T4900] device hsr_slave_1 entered promiscuous mode [ 113.951060][ T4900] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 113.961425][ T4900] Cannot create hsr debugfs directory [ 114.053690][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.134133][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.225667][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.040639][ T4900] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 115.083112][ T4900] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 115.095809][ T4900] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 115.107152][ T4900] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 115.204829][ T4900] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.232582][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.243440][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.256356][ T4900] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.267107][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 115.277317][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 115.286976][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.294222][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.329941][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 115.339405][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 115.348955][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 115.357485][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.364939][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.375876][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 115.418501][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 115.427774][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 115.437415][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 115.449795][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 115.470193][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 115.479153][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 115.487839][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 115.488164][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 115.503577][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 115.512775][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 115.522249][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 115.533876][ T4900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 115.724564][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 115.732492][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 115.748542][ T4900] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 115.763207][ T9] device hsr_slave_0 left promiscuous mode [ 115.770277][ T9] device hsr_slave_1 left promiscuous mode [ 115.776890][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 115.785138][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 115.795484][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 115.804098][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 115.815092][ T9] device bridge_slave_1 left promiscuous mode [ 115.821686][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.833328][ T9] device bridge_slave_0 left promiscuous mode [ 115.840697][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.857212][ T9] device veth1_macvtap left promiscuous mode [ 115.863389][ T9] device veth0_macvtap left promiscuous mode [ 115.872530][ T9] device veth1_vlan left promiscuous mode [ 115.878494][ T9] device veth0_vlan left promiscuous mode [ 116.105861][ T9] team0 (unregistering): Port device team_slave_1 removed [ 116.125291][ T9] team0 (unregistering): Port device team_slave_0 removed [ 116.142346][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 116.161637][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 116.251484][ T9] bond0 (unregistering): Released all slaves [ 116.329774][ T1133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 116.340916][ T1133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 116.364518][ T1133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 116.375293][ T1133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 116.388873][ T1133] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 116.397458][ T1133] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 116.409919][ T4900] device veth0_vlan entered promiscuous mode [ 116.433267][ T4900] device veth1_vlan entered promiscuous mode [ 116.476126][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 116.488996][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 116.502096][ T4900] device veth0_macvtap entered promiscuous mode [ 116.514541][ T4900] device veth1_macvtap entered promiscuous mode [ 116.549582][ T4900] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 116.557335][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 116.566252][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 116.575714][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 116.585666][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 116.600783][ T4900] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 116.617367][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 116.645226][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 116.659553][ T4900] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.669405][ T4900] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.679392][ T4900] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.688736][ T4900] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.793163][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.807770][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.830390][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 116.853025][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.869314][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.885058][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 117.568011][ T4235] Bluetooth: hci0: command 0x041b tx timeout 2025/08/10 12:54:11 executed programs: 4 [ 118.726769][ T1133] ================================================================== [ 118.734906][ T1133] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c60 [ 118.742117][ T1133] Read of size 8 at addr ffff88807bef9660 by task kworker/u4:3/1133 [ 118.750089][ T1133] [ 118.752415][ T1133] CPU: 0 PID: 1133 Comm: kworker/u4:3 Not tainted 5.15.189-syzkaller #0 [ 118.760755][ T1133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 118.770813][ T1133] Workqueue: kkcmd kcm_tx_work [ 118.775593][ T1133] Call Trace: [ 118.779162][ T1133] [ 118.782098][ T1133] dump_stack_lvl+0x168/0x230 [ 118.786880][ T1133] ? show_regs_print_info+0x20/0x20 [ 118.792083][ T1133] ? load_image+0x3b0/0x3b0 [ 118.796590][ T1133] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 118.802013][ T1133] print_address_description+0x60/0x2d0 [ 118.807574][ T1133] ? __lock_acquire+0xf7/0x7c60 [ 118.812431][ T1133] kasan_report+0xdf/0x130 [ 118.816854][ T1133] ? __lock_acquire+0xf7/0x7c60 [ 118.821719][ T1133] __lock_acquire+0xf7/0x7c60 [ 118.826420][ T1133] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 118.832495][ T1133] ? lock_chain_count+0x20/0x20 [ 118.837373][ T1133] ? finish_lock_switch+0x12f/0x280 [ 118.842608][ T1133] ? lockdep_hardirqs_on+0x94/0x140 [ 118.847815][ T1133] ? finish_lock_switch+0x12f/0x280 [ 118.853034][ T1133] ? verify_lock_unused+0x140/0x140 [ 118.858256][ T1133] ? finish_task_switch+0x12f/0x640 [ 118.863619][ T1133] ? __switch_to_asm+0x34/0x60 [ 118.868400][ T1133] ? __schedule+0x11c0/0x43b0 [ 118.873112][ T1133] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 118.879132][ T1133] lock_acquire+0x197/0x3f0 [ 118.883680][ T1133] ? __lock_sock+0x152/0x2a0 [ 118.888287][ T1133] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 118.894294][ T1133] ? __local_bh_disable_ip+0xfb/0x190 [ 118.899945][ T1133] ? read_lock_is_recursive+0x10/0x10 [ 118.905337][ T1133] ? __local_bh_enable_ip+0x12a/0x1b0 [ 118.910719][ T1133] ? kthread_data+0x4b/0xc0 [ 118.915257][ T1133] ? kthread_data+0x4b/0xc0 [ 118.919785][ T1133] ? __lock_sock+0x152/0x2a0 [ 118.924377][ T1133] _raw_spin_lock_bh+0x32/0x50 [ 118.929237][ T1133] ? __lock_sock+0x152/0x2a0 [ 118.933847][ T1133] __lock_sock+0x152/0x2a0 [ 118.938271][ T1133] ? sk_page_frag_refill+0x200/0x200 [ 118.943602][ T1133] ? do_raw_spin_lock+0x11d/0x280 [ 118.948629][ T1133] ? init_wait_entry+0xd0/0xd0 [ 118.953394][ T1133] ? __rwlock_init+0x140/0x140 [ 118.958155][ T1133] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 118.964243][ T1133] ? lock_sock_nested+0x68/0x100 [ 118.969199][ T1133] lock_sock_nested+0x9d/0x100 [ 118.973973][ T1133] kcm_tx_work+0x2d/0x180 [ 118.978309][ T1133] process_one_work+0x863/0x1000 [ 118.983293][ T1133] ? worker_detach_from_pool+0x240/0x240 [ 118.988935][ T1133] ? lockdep_hardirqs_off+0x70/0x100 [ 118.994227][ T1133] ? _raw_spin_lock_irq+0xab/0xe0 [ 118.999262][ T1133] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 119.004676][ T1133] ? wq_worker_running+0x97/0x170 [ 119.009705][ T1133] worker_thread+0xaa8/0x12a0 [ 119.014386][ T1133] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 119.020282][ T1133] ? lockdep_hardirqs_on+0x94/0x140 [ 119.025481][ T1133] ? lockdep_hardirqs_on+0x94/0x140 [ 119.030710][ T1133] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 119.036611][ T1133] kthread+0x436/0x520 [ 119.040690][ T1133] ? rcu_lock_release+0x20/0x20 [ 119.045580][ T1133] ? kthread_blkcg+0xd0/0xd0 [ 119.050188][ T1133] ret_from_fork+0x1f/0x30 [ 119.054717][ T1133] [ 119.057750][ T1133] [ 119.060067][ T1133] Allocated by task 5099: [ 119.064389][ T1133] __kasan_slab_alloc+0x9c/0xd0 [ 119.069237][ T1133] slab_post_alloc_hook+0x4c/0x380 [ 119.074787][ T1133] kmem_cache_alloc+0x100/0x290 [ 119.079666][ T1133] sk_prot_alloc+0x57/0x210 [ 119.084171][ T1133] sk_alloc+0x2f/0x310 [ 119.088263][ T1133] kcm_ioctl+0x211/0xff0 [ 119.092501][ T1133] sock_do_ioctl+0xd3/0x2f0 [ 119.097010][ T1133] sock_ioctl+0x4ed/0x6e0 [ 119.101343][ T1133] __se_sys_ioctl+0xfa/0x170 [ 119.105948][ T1133] do_syscall_64+0x4c/0xa0 [ 119.110370][ T1133] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.116386][ T1133] [ 119.118709][ T1133] Freed by task 5100: [ 119.122712][ T1133] kasan_set_track+0x4b/0x70 [ 119.127347][ T1133] kasan_set_free_info+0x1f/0x40 [ 119.132296][ T1133] ____kasan_slab_free+0xd5/0x110 [ 119.137324][ T1133] slab_free_freelist_hook+0xea/0x170 [ 119.142726][ T1133] kmem_cache_free+0x8f/0x210 [ 119.147402][ T1133] __sk_destruct+0x54b/0x820 [ 119.151997][ T1133] kcm_release+0x51a/0x5b0 [ 119.156415][ T1133] sock_close+0xd5/0x240 [ 119.160665][ T1133] __fput+0x234/0x930 [ 119.164644][ T1133] task_work_run+0x125/0x1a0 [ 119.169228][ T1133] exit_to_user_mode_loop+0x10f/0x130 [ 119.174596][ T1133] exit_to_user_mode_prepare+0xb1/0x140 [ 119.180140][ T1133] syscall_exit_to_user_mode+0x16/0x40 [ 119.185688][ T1133] do_syscall_64+0x58/0xa0 [ 119.190131][ T1133] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.196112][ T1133] [ 119.198434][ T1133] Last potentially related work creation: [ 119.204167][ T1133] kasan_save_stack+0x35/0x60 [ 119.208839][ T1133] kasan_record_aux_stack+0xb8/0x100 [ 119.214128][ T1133] insert_work+0x54/0x3d0 [ 119.218483][ T1133] __queue_work+0x9c5/0xd50 [ 119.223017][ T1133] queue_work_on+0x11d/0x1d0 [ 119.227647][ T1133] kcm_unattach+0x85e/0xe80 [ 119.232173][ T1133] kcm_ioctl+0x78d/0xff0 [ 119.236435][ T1133] sock_do_ioctl+0xd3/0x2f0 [ 119.240948][ T1133] sock_ioctl+0x4ed/0x6e0 [ 119.245275][ T1133] __se_sys_ioctl+0xfa/0x170 [ 119.249862][ T1133] do_syscall_64+0x4c/0xa0 [ 119.254273][ T1133] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.260171][ T1133] [ 119.262514][ T1133] Second to last potentially related work creation: [ 119.269222][ T1133] kasan_save_stack+0x35/0x60 [ 119.273934][ T1133] kasan_record_aux_stack+0xb8/0x100 [ 119.279234][ T1133] insert_work+0x54/0x3d0 [ 119.283564][ T1133] __queue_work+0x9c5/0xd50 [ 119.288070][ T1133] queue_work_on+0x11d/0x1d0 [ 119.292685][ T1133] kcm_ioctl+0xe4b/0xff0 [ 119.296965][ T1133] sock_do_ioctl+0xd3/0x2f0 [ 119.301465][ T1133] sock_ioctl+0x4ed/0x6e0 [ 119.305790][ T1133] __se_sys_ioctl+0xfa/0x170 [ 119.310376][ T1133] do_syscall_64+0x4c/0xa0 [ 119.314792][ T1133] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.320682][ T1133] [ 119.323002][ T1133] The buggy address belongs to the object at ffff88807bef95c0 [ 119.323002][ T1133] which belongs to the cache KCM of size 1728 [ 119.336440][ T1133] The buggy address is located 160 bytes inside of [ 119.336440][ T1133] 1728-byte region [ffff88807bef95c0, ffff88807bef9c80) [ 119.349798][ T1133] The buggy address belongs to the page: [ 119.355424][ T1133] page:ffffea0001efbe00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7bef8 [ 119.365567][ T1133] head:ffffea0001efbe00 order:3 compound_mapcount:0 compound_pincount:0 [ 119.373884][ T1133] memcg:ffff88802334a601 [ 119.378117][ T1133] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 119.386143][ T1133] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88802a3c28c0 [ 119.394729][ T1133] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff88802334a601 [ 119.403300][ T1133] page dumped because: kasan: bad access detected [ 119.409714][ T1133] page_owner tracks the page as allocated [ 119.415458][ T1133] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5060, ts 116979660464, free_ts 116954385815 [ 119.436119][ T1133] get_page_from_freelist+0x1b77/0x1c60 [ 119.441719][ T1133] __alloc_pages+0x1e1/0x470 [ 119.446321][ T1133] new_slab+0xc0/0x4b0 [ 119.450386][ T1133] ___slab_alloc+0x81e/0xdf0 [ 119.454965][ T1133] kmem_cache_alloc+0x195/0x290 [ 119.459812][ T1133] sk_prot_alloc+0x57/0x210 [ 119.464316][ T1133] sk_alloc+0x2f/0x310 [ 119.468401][ T1133] kcm_create+0xfc/0x570 [ 119.472638][ T1133] __sock_create+0x47b/0x900 [ 119.477233][ T1133] __sys_socket+0xe2/0x170 [ 119.481650][ T1133] __x64_sys_socket+0x76/0x80 [ 119.486322][ T1133] do_syscall_64+0x4c/0xa0 [ 119.490735][ T1133] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.496652][ T1133] page last free stack trace: [ 119.501327][ T1133] free_unref_page_prepare+0x637/0x6c0 [ 119.506804][ T1133] free_unref_page+0x94/0x280 [ 119.511503][ T1133] __unfreeze_partials+0x1a5/0x200 [ 119.516613][ T1133] put_cpu_partial+0x12d/0x190 [ 119.521374][ T1133] qlist_free_all+0x35/0x90 [ 119.525903][ T1133] kasan_quarantine_reduce+0x150/0x160 [ 119.531368][ T1133] __kasan_slab_alloc+0x2f/0xd0 [ 119.536226][ T1133] slab_post_alloc_hook+0x4c/0x380 [ 119.541344][ T1133] kmem_cache_alloc+0x100/0x290 [ 119.546197][ T1133] getname_flags+0xb5/0x500 [ 119.550701][ T1133] do_sys_openat2+0xcf/0x4a0 [ 119.555296][ T1133] __x64_sys_openat+0x135/0x160 [ 119.560151][ T1133] do_syscall_64+0x4c/0xa0 [ 119.564572][ T1133] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.570499][ T1133] [ 119.572826][ T1133] Memory state around the buggy address: [ 119.578488][ T1133] ffff88807bef9500: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 119.586903][ T1133] ffff88807bef9580: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 119.595314][ T1133] >ffff88807bef9600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 119.603388][ T1133] ^ [ 119.610579][ T1133] ffff88807bef9680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 119.618634][ T1133] ffff88807bef9700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 119.626693][ T1133] ================================================================== [ 119.634768][ T1133] Disabling lock debugging due to kernel taint [ 119.640924][ T1133] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 119.648122][ T1133] CPU: 0 PID: 1133 Comm: kworker/u4:3 Tainted: G B 5.15.189-syzkaller #0 [ 119.657836][ T1133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 119.667983][ T1133] Workqueue: kkcmd kcm_tx_work [ 119.672801][ T1133] Call Trace: [ 119.676083][ T1133] [ 119.679019][ T1133] dump_stack_lvl+0x168/0x230 [ 119.683731][ T1133] ? show_regs_print_info+0x20/0x20 [ 119.689035][ T1133] ? load_image+0x3b0/0x3b0 [ 119.693543][ T1133] panic+0x2c9/0x7f0 [ 119.697440][ T1133] ? bpf_jit_dump+0xd0/0xd0 [ 119.701942][ T1133] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 119.707838][ T1133] ? _raw_spin_unlock+0x40/0x40 [ 119.712691][ T1133] ? __lock_acquire+0xf7/0x7c60 [ 119.717540][ T1133] check_panic_on_warn+0x80/0xa0 [ 119.722478][ T1133] ? __lock_acquire+0xf7/0x7c60 [ 119.727329][ T1133] end_report+0x6d/0xf0 [ 119.731485][ T1133] kasan_report+0x102/0x130 [ 119.735996][ T1133] ? __lock_acquire+0xf7/0x7c60 [ 119.740849][ T1133] __lock_acquire+0xf7/0x7c60 [ 119.745528][ T1133] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 119.751514][ T1133] ? lock_chain_count+0x20/0x20 [ 119.756372][ T1133] ? finish_lock_switch+0x12f/0x280 [ 119.761578][ T1133] ? lockdep_hardirqs_on+0x94/0x140 [ 119.766775][ T1133] ? finish_lock_switch+0x12f/0x280 [ 119.771973][ T1133] ? verify_lock_unused+0x140/0x140 [ 119.777178][ T1133] ? finish_task_switch+0x12f/0x640 [ 119.782378][ T1133] ? __switch_to_asm+0x34/0x60 [ 119.787143][ T1133] ? __schedule+0x11c0/0x43b0 [ 119.791824][ T1133] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 119.797806][ T1133] lock_acquire+0x197/0x3f0 [ 119.802312][ T1133] ? __lock_sock+0x152/0x2a0 [ 119.806897][ T1133] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 119.812882][ T1133] ? __local_bh_disable_ip+0xfb/0x190 [ 119.818287][ T1133] ? read_lock_is_recursive+0x10/0x10 [ 119.823799][ T1133] ? __local_bh_enable_ip+0x12a/0x1b0 [ 119.829188][ T1133] ? kthread_data+0x4b/0xc0 [ 119.833840][ T1133] ? kthread_data+0x4b/0xc0 [ 119.838367][ T1133] ? __lock_sock+0x152/0x2a0 [ 119.842966][ T1133] _raw_spin_lock_bh+0x32/0x50 [ 119.847743][ T1133] ? __lock_sock+0x152/0x2a0 [ 119.852382][ T1133] __lock_sock+0x152/0x2a0 [ 119.856805][ T1133] ? sk_page_frag_refill+0x200/0x200 [ 119.862356][ T1133] ? do_raw_spin_lock+0x11d/0x280 [ 119.867396][ T1133] ? init_wait_entry+0xd0/0xd0 [ 119.872166][ T1133] ? __rwlock_init+0x140/0x140 [ 119.876941][ T1133] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 119.882967][ T1133] ? lock_sock_nested+0x68/0x100 [ 119.887941][ T1133] lock_sock_nested+0x9d/0x100 [ 119.892708][ T1133] kcm_tx_work+0x2d/0x180 [ 119.897042][ T1133] process_one_work+0x863/0x1000 [ 119.901999][ T1133] ? worker_detach_from_pool+0x240/0x240 [ 119.907669][ T1133] ? lockdep_hardirqs_off+0x70/0x100 [ 119.912967][ T1133] ? _raw_spin_lock_irq+0xab/0xe0 [ 119.917999][ T1133] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 119.923378][ T1133] ? wq_worker_running+0x97/0x170 [ 119.928414][ T1133] worker_thread+0xaa8/0x12a0 [ 119.933102][ T1133] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 119.939000][ T1133] ? lockdep_hardirqs_on+0x94/0x140 [ 119.944206][ T1133] ? lockdep_hardirqs_on+0x94/0x140 [ 119.949749][ T1133] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 119.955676][ T1133] kthread+0x436/0x520 [ 119.959758][ T1133] ? rcu_lock_release+0x20/0x20 [ 119.964623][ T1133] ? kthread_blkcg+0xd0/0xd0 [ 119.969227][ T1133] ret_from_fork+0x1f/0x30 [ 119.973659][ T1133] [ 119.976954][ T1133] Kernel Offset: disabled [ 119.981541][ T1133] Rebooting in 86400 seconds..