Warning: Permanently added '10.128.0.13' (ED25519) to the list of known hosts. 2025/10/19 16:36:40 parsed 1 programs [ 93.952444][ T4749] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 96.205739][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.225085][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.243808][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 96.265500][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.275261][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.289161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 97.024766][ T145] ODEBUG: Out of memory. ODEBUG disabled [ 97.452965][ T4818] chnl_net:caif_netlink_parms(): no params data found [ 97.487873][ T4818] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.495136][ T4818] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.503010][ T4818] device bridge_slave_0 entered promiscuous mode [ 97.511391][ T4818] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.519312][ T4818] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.526917][ T4818] device bridge_slave_1 entered promiscuous mode [ 97.544803][ T4818] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.555543][ T4818] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.575999][ T4818] team0: Port device team_slave_0 added [ 97.583244][ T4818] team0: Port device team_slave_1 added [ 97.598800][ T4818] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.605761][ T4818] 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. [ 97.631955][ T4818] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.643837][ T4818] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.651103][ T4818] 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. [ 97.677225][ T4818] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.703617][ T4818] device hsr_slave_0 entered promiscuous mode [ 97.710472][ T4818] device hsr_slave_1 entered promiscuous mode [ 98.249844][ T4818] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.259532][ T4818] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.270210][ T4818] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.280290][ T4818] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.303343][ T4818] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.310571][ T4818] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.317927][ T4818] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.325070][ T4818] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.392062][ T4818] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.406259][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.415660][ T1225] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.425050][ T1225] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.434666][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 98.448407][ T4818] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.460955][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 98.472055][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.481410][ T1225] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.488539][ T1225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.535866][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 98.547103][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.557242][ T1225] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.564380][ T1225] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.576007][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 98.584916][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 98.595259][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 98.605829][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.644515][ T4818] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 98.659140][ T4818] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 98.672929][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.682398][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 98.692975][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.701920][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 98.711061][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.719838][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.728425][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.740098][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.860900][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.870789][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.884112][ T4818] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.934648][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 98.944862][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 98.967561][ T4818] device veth0_vlan entered promiscuous mode [ 98.981575][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.005558][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.016901][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.025319][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.064945][ T4818] device veth1_vlan entered promiscuous mode [ 99.085240][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.095724][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.106239][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.116352][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.127834][ T4818] device veth0_macvtap entered promiscuous mode [ 99.137666][ T4818] device veth1_macvtap entered promiscuous mode [ 99.174880][ T4818] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.199692][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.209940][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 99.229997][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 99.249872][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 99.273056][ T4818] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.284209][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 99.299566][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 99.321958][ T4818] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.332848][ T4818] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.341943][ T4818] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.352388][ T4818] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/10/19 16:36:48 executed programs: 0 [ 100.340234][ T4942] chnl_net:caif_netlink_parms(): no params data found [ 100.436855][ T4942] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.451412][ T4942] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.460923][ T4942] device bridge_slave_0 entered promiscuous mode [ 100.483182][ T4942] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.490590][ T4942] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.498883][ T4942] device bridge_slave_1 entered promiscuous mode [ 100.542838][ T4942] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.573725][ T4942] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.610594][ T4942] team0: Port device team_slave_0 added [ 100.623554][ T4942] team0: Port device team_slave_1 added [ 100.661744][ T4942] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.669142][ T4942] 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. [ 100.713058][ T4942] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.742186][ T4942] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.758101][ T4942] 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. [ 100.818088][ T4942] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.896056][ T4942] device hsr_slave_0 entered promiscuous mode [ 100.915209][ T4942] device hsr_slave_1 entered promiscuous mode [ 100.925619][ T4942] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 100.934305][ T4942] Cannot create hsr debugfs directory [ 101.116227][ T4942] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.168156][ T4810] Bluetooth: hci0: command 0x0409 tx timeout [ 104.243838][ T4942] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.248162][ T4809] Bluetooth: hci0: command 0x041b tx timeout [ 104.483130][ T4942] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.525158][ T4942] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.605197][ T4942] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.615983][ T4942] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.625025][ T4942] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.634573][ T4942] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.687551][ T4942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.699363][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.707287][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.725649][ T4942] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.737652][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.746698][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.756759][ T1225] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.763862][ T1225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.773215][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 104.789740][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 104.798750][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 104.807025][ T1225] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.814133][ T1225] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.822206][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 104.838738][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 104.849856][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 104.860072][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 104.874836][ T4942] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 104.885945][ T4942] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 104.898638][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 104.906497][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 104.915715][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 104.924694][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 104.933786][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 104.942586][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 104.951202][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 104.959558][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.043789][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.051487][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.063951][ T4942] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.085324][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 105.094297][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.116526][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 105.125116][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.134232][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.142437][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.154594][ T145] device hsr_slave_0 left promiscuous mode [ 105.161132][ T145] device hsr_slave_1 left promiscuous mode [ 105.167612][ T145] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 105.175710][ T145] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 105.184367][ T145] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 105.191994][ T145] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 105.199812][ T145] device bridge_slave_1 left promiscuous mode [ 105.206295][ T145] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.215594][ T145] device bridge_slave_0 left promiscuous mode [ 105.222146][ T145] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.232299][ T145] device veth1_macvtap left promiscuous mode [ 105.238777][ T145] device veth0_macvtap left promiscuous mode [ 105.244859][ T145] device veth1_vlan left promiscuous mode [ 105.250865][ T145] device veth0_vlan left promiscuous mode [ 105.352905][ T145] team0 (unregistering): Port device team_slave_1 removed [ 105.364860][ T145] team0 (unregistering): Port device team_slave_0 removed [ 105.375694][ T145] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 105.387946][ T145] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 105.432897][ T145] bond0 (unregistering): Released all slaves [ 105.472319][ T4942] device veth0_vlan entered promiscuous mode [ 105.483773][ T4942] device veth1_vlan entered promiscuous mode [ 105.502180][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.510512][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 105.518710][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 105.527112][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 105.536970][ T4942] device veth0_macvtap entered promiscuous mode [ 105.548735][ T4942] device veth1_macvtap entered promiscuous mode [ 105.572121][ T4942] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.579899][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 105.588114][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 105.595965][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 105.604942][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 105.615595][ T4942] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.624125][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 105.633521][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 105.644887][ T4942] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.654186][ T4942] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.663377][ T4942] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.672507][ T4942] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.734931][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.751157][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.758665][ T4408] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.766658][ T4408] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.769673][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/10/19 16:36:54 executed programs: 2 [ 105.809867][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 106.328067][ T4809] Bluetooth: hci0: command 0x040f tx timeout [ 108.408432][ T4813] Bluetooth: hci0: command 0x0419 tx timeout 2025/10/19 16:36:59 executed programs: 8 [ 112.675567][ T4408] ================================================================== [ 112.683762][ T4408] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c60 [ 112.690993][ T4408] Read of size 8 at addr ffff888079822da0 by task kworker/u4:5/4408 [ 112.698949][ T4408] [ 112.701268][ T4408] CPU: 0 PID: 4408 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 112.708788][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 112.718828][ T4408] Workqueue: kkcmd kcm_tx_work [ 112.723602][ T4408] Call Trace: [ 112.727005][ T4408] [ 112.730054][ T4408] dump_stack_lvl+0x168/0x230 [ 112.734764][ T4408] ? show_regs_print_info+0x20/0x20 [ 112.740004][ T4408] ? load_image+0x3b0/0x3b0 [ 112.744493][ T4408] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 112.750235][ T4408] print_address_description+0x60/0x2d0 [ 112.755808][ T4408] ? __lock_acquire+0xf7/0x7c60 [ 112.760733][ T4408] kasan_report+0xdf/0x130 [ 112.765273][ T4408] ? __lock_acquire+0xf7/0x7c60 [ 112.770210][ T4408] __lock_acquire+0xf7/0x7c60 [ 112.774995][ T4408] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 112.781056][ T4408] ? lock_chain_count+0x20/0x20 [ 112.785900][ T4408] ? finish_lock_switch+0x12f/0x280 [ 112.791177][ T4408] ? lockdep_hardirqs_on+0x94/0x140 [ 112.796373][ T4408] ? finish_lock_switch+0x12f/0x280 [ 112.801556][ T4408] ? verify_lock_unused+0x140/0x140 [ 112.806882][ T4408] ? finish_task_switch+0x12f/0x640 [ 112.812064][ T4408] ? __switch_to_asm+0x34/0x60 [ 112.816817][ T4408] ? __schedule+0x11c3/0x4390 [ 112.821475][ T4408] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 112.827437][ T4408] lock_acquire+0x197/0x3f0 [ 112.831926][ T4408] ? __lock_sock+0x152/0x2a0 [ 112.836528][ T4408] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 112.842528][ T4408] ? __local_bh_disable_ip+0xfb/0x190 [ 112.847996][ T4408] ? read_lock_is_recursive+0x10/0x10 [ 112.853369][ T4408] ? __local_bh_enable_ip+0x12a/0x1b0 [ 112.858722][ T4408] ? kthread_data+0x4b/0xc0 [ 112.863224][ T4408] ? kthread_data+0x4b/0xc0 [ 112.867706][ T4408] ? __lock_sock+0x152/0x2a0 [ 112.872285][ T4408] _raw_spin_lock_bh+0x32/0x50 [ 112.877120][ T4408] ? __lock_sock+0x152/0x2a0 [ 112.881693][ T4408] __lock_sock+0x152/0x2a0 [ 112.886113][ T4408] ? sk_page_frag_refill+0x200/0x200 [ 112.891492][ T4408] ? do_raw_spin_lock+0x11d/0x280 [ 112.896521][ T4408] ? init_wait_entry+0xd0/0xd0 [ 112.901388][ T4408] ? __rwlock_init+0x140/0x140 [ 112.906240][ T4408] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 112.912382][ T4408] ? lock_sock_nested+0x68/0x100 [ 112.917407][ T4408] lock_sock_nested+0x9d/0x100 [ 112.922441][ T4408] kcm_tx_work+0x2d/0x180 [ 112.926862][ T4408] process_one_work+0x863/0x1000 [ 112.931885][ T4408] ? worker_detach_from_pool+0x240/0x240 [ 112.937506][ T4408] ? lockdep_hardirqs_off+0x70/0x100 [ 112.943038][ T4408] ? _raw_spin_lock_irq+0xab/0xe0 [ 112.948226][ T4408] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 112.953681][ T4408] ? wq_worker_running+0x97/0x170 [ 112.958716][ T4408] worker_thread+0xaa8/0x12a0 [ 112.963374][ T4408] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 112.969249][ T4408] ? lockdep_hardirqs_on+0x94/0x140 [ 112.974432][ T4408] ? lockdep_hardirqs_on+0x94/0x140 [ 112.979624][ T4408] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 112.985590][ T4408] kthread+0x436/0x520 [ 112.989644][ T4408] ? rcu_lock_release+0x20/0x20 [ 112.994482][ T4408] ? kthread_blkcg+0xd0/0xd0 [ 112.999147][ T4408] ret_from_fork+0x1f/0x30 [ 113.003849][ T4408] [ 113.006948][ T4408] [ 113.009283][ T4408] Allocated by task 5233: [ 113.013678][ T4408] __kasan_slab_alloc+0x9c/0xd0 [ 113.018644][ T4408] slab_post_alloc_hook+0x4c/0x380 [ 113.023832][ T4408] kmem_cache_alloc+0x100/0x290 [ 113.028668][ T4408] sk_prot_alloc+0x57/0x210 [ 113.033250][ T4408] sk_alloc+0x2f/0x310 [ 113.037418][ T4408] kcm_ioctl+0x211/0xff0 [ 113.041648][ T4408] sock_do_ioctl+0xd3/0x2f0 [ 113.046350][ T4408] sock_ioctl+0x4ed/0x6e0 [ 113.050680][ T4408] __se_sys_ioctl+0xfa/0x170 [ 113.055279][ T4408] do_syscall_64+0x4c/0xa0 [ 113.059698][ T4408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 113.065802][ T4408] [ 113.068116][ T4408] Freed by task 5234: [ 113.072099][ T4408] kasan_set_track+0x4b/0x70 [ 113.076669][ T4408] kasan_set_free_info+0x1f/0x40 [ 113.081675][ T4408] ____kasan_slab_free+0xd5/0x110 [ 113.086679][ T4408] slab_free_freelist_hook+0xea/0x170 [ 113.092033][ T4408] kmem_cache_free+0x8f/0x210 [ 113.096790][ T4408] __sk_destruct+0x569/0x840 [ 113.101353][ T4408] kcm_release+0x51a/0x5b0 [ 113.105748][ T4408] sock_close+0xd5/0x240 [ 113.109979][ T4408] __fput+0x234/0x930 [ 113.113964][ T4408] task_work_run+0x125/0x1a0 [ 113.118535][ T4408] exit_to_user_mode_loop+0x10f/0x130 [ 113.123985][ T4408] exit_to_user_mode_prepare+0xee/0x180 [ 113.129526][ T4408] syscall_exit_to_user_mode+0x16/0x40 [ 113.135065][ T4408] do_syscall_64+0x58/0xa0 [ 113.139461][ T4408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 113.145340][ T4408] [ 113.147646][ T4408] Last potentially related work creation: [ 113.153358][ T4408] kasan_save_stack+0x35/0x60 [ 113.158032][ T4408] kasan_record_aux_stack+0xb8/0x100 [ 113.163297][ T4408] insert_work+0x54/0x3d0 [ 113.167630][ T4408] __queue_work+0x9c5/0xd50 [ 113.172130][ T4408] queue_work_on+0x11d/0x1d0 [ 113.176706][ T4408] kcm_unattach+0x85e/0xe80 [ 113.181441][ T4408] kcm_ioctl+0x78d/0xff0 [ 113.185674][ T4408] sock_do_ioctl+0xd3/0x2f0 [ 113.190286][ T4408] sock_ioctl+0x4ed/0x6e0 [ 113.194973][ T4408] __se_sys_ioctl+0xfa/0x170 [ 113.199561][ T4408] do_syscall_64+0x4c/0xa0 [ 113.203958][ T4408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 113.209945][ T4408] [ 113.212260][ T4408] Second to last potentially related work creation: [ 113.218821][ T4408] kasan_save_stack+0x35/0x60 [ 113.223566][ T4408] kasan_record_aux_stack+0xb8/0x100 [ 113.228834][ T4408] insert_work+0x54/0x3d0 [ 113.233330][ T4408] __queue_work+0x9c5/0xd50 [ 113.238115][ T4408] queue_work_on+0x11d/0x1d0 [ 113.242688][ T4408] kcm_ioctl+0xe4b/0xff0 [ 113.247020][ T4408] sock_do_ioctl+0xd3/0x2f0 [ 113.251708][ T4408] sock_ioctl+0x4ed/0x6e0 [ 113.256478][ T4408] __se_sys_ioctl+0xfa/0x170 [ 113.261255][ T4408] do_syscall_64+0x4c/0xa0 [ 113.265655][ T4408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 113.271535][ T4408] [ 113.273847][ T4408] The buggy address belongs to the object at ffff888079822d00 [ 113.273847][ T4408] which belongs to the cache KCM of size 1736 [ 113.287372][ T4408] The buggy address is located 160 bytes inside of [ 113.287372][ T4408] 1736-byte region [ffff888079822d00, ffff8880798233c8) [ 113.301192][ T4408] The buggy address belongs to the page: [ 113.306823][ T4408] page:ffffea0001e60800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x79820 [ 113.317425][ T4408] head:ffffea0001e60800 order:3 compound_mapcount:0 compound_pincount:0 [ 113.325794][ T4408] memcg:ffff88801a3aec01 [ 113.330024][ T4408] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 113.338146][ T4408] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88802aaaac80 [ 113.346924][ T4408] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff88801a3aec01 [ 113.355752][ T4408] page dumped because: kasan: bad access detected [ 113.362374][ T4408] page_owner tracks the page as allocated [ 113.368197][ T4408] 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 5200, ts 105844366679, free_ts 105804985200 [ 113.388840][ T4408] get_page_from_freelist+0x1b77/0x1c60 [ 113.394567][ T4408] __alloc_pages+0x1e1/0x470 [ 113.399260][ T4408] new_slab+0xc0/0x4b0 [ 113.403323][ T4408] ___slab_alloc+0x81e/0xdf0 [ 113.407925][ T4408] kmem_cache_alloc+0x195/0x290 [ 113.412871][ T4408] sk_prot_alloc+0x57/0x210 [ 113.417396][ T4408] sk_alloc+0x2f/0x310 [ 113.421457][ T4408] kcm_create+0xfc/0x570 [ 113.425679][ T4408] __sock_create+0x47b/0x900 [ 113.430266][ T4408] __sys_socket+0xe2/0x170 [ 113.435000][ T4408] __x64_sys_socket+0x76/0x80 [ 113.439670][ T4408] do_syscall_64+0x4c/0xa0 [ 113.444282][ T4408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 113.450264][ T4408] page last free stack trace: [ 113.455048][ T4408] free_unref_page_prepare+0x637/0x6c0 [ 113.460946][ T4408] free_unref_page+0x94/0x280 [ 113.465617][ T4408] __unfreeze_partials+0x1a5/0x200 [ 113.470712][ T4408] put_cpu_partial+0x12d/0x190 [ 113.475465][ T4408] qlist_free_all+0x35/0x90 [ 113.480297][ T4408] kasan_quarantine_reduce+0x150/0x160 [ 113.485983][ T4408] __kasan_slab_alloc+0x2f/0xd0 [ 113.490817][ T4408] slab_post_alloc_hook+0x4c/0x380 [ 113.496009][ T4408] __kmalloc+0x127/0x330 [ 113.500244][ T4408] fib6_info_alloc+0x2e/0xe0 [ 113.504813][ T4408] ip6_route_info_create+0x44f/0x1210 [ 113.510180][ T4408] ip6_route_add+0x24/0x130 [ 113.514667][ T4408] addrconf_add_dev+0x250/0x350 [ 113.519495][ T4408] addrconf_init_auto_addrs+0x5f8/0xa80 [ 113.525021][ T4408] addrconf_notify+0xa6b/0xf00 [ 113.529771][ T4408] raw_notifier_call_chain+0xcb/0x160 [ 113.535208][ T4408] [ 113.537522][ T4408] Memory state around the buggy address: [ 113.543131][ T4408] ffff888079822c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 113.551197][ T4408] ffff888079822d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 113.559248][ T4408] >ffff888079822d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 113.567291][ T4408] ^ [ 113.572467][ T4408] ffff888079822e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 113.580505][ T4408] ffff888079822e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 113.588853][ T4408] ================================================================== [ 113.596935][ T4408] Disabling lock debugging due to kernel taint [ 113.603099][ T4408] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 113.610474][ T4408] CPU: 0 PID: 4408 Comm: kworker/u4:5 Tainted: G B syzkaller #0 [ 113.619414][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 113.629636][ T4408] Workqueue: kkcmd kcm_tx_work [ 113.634416][ T4408] Call Trace: [ 113.637690][ T4408] [ 113.640694][ T4408] dump_stack_lvl+0x168/0x230 [ 113.645482][ T4408] ? show_regs_print_info+0x20/0x20 [ 113.650965][ T4408] ? load_image+0x3b0/0x3b0 [ 113.655462][ T4408] panic+0x2c9/0x7f0 [ 113.659359][ T4408] ? bpf_jit_dump+0xd0/0xd0 [ 113.663934][ T4408] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 113.669979][ T4408] ? _raw_spin_unlock+0x40/0x40 [ 113.674833][ T4408] ? __lock_acquire+0xf7/0x7c60 [ 113.679804][ T4408] check_panic_on_warn+0x80/0xa0 [ 113.684740][ T4408] ? __lock_acquire+0xf7/0x7c60 [ 113.689591][ T4408] end_report+0x6d/0xf0 [ 113.693795][ T4408] kasan_report+0x102/0x130 [ 113.698278][ T4408] ? __lock_acquire+0xf7/0x7c60 [ 113.703317][ T4408] __lock_acquire+0xf7/0x7c60 [ 113.708073][ T4408] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 113.714064][ T4408] ? lock_chain_count+0x20/0x20 [ 113.718906][ T4408] ? finish_lock_switch+0x12f/0x280 [ 113.724187][ T4408] ? lockdep_hardirqs_on+0x94/0x140 [ 113.729507][ T4408] ? finish_lock_switch+0x12f/0x280 [ 113.734787][ T4408] ? verify_lock_unused+0x140/0x140 [ 113.739972][ T4408] ? finish_task_switch+0x12f/0x640 [ 113.745154][ T4408] ? __switch_to_asm+0x34/0x60 [ 113.749901][ T4408] ? __schedule+0x11c3/0x4390 [ 113.754559][ T4408] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 113.760529][ T4408] lock_acquire+0x197/0x3f0 [ 113.765119][ T4408] ? __lock_sock+0x152/0x2a0 [ 113.769963][ T4408] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 113.775930][ T4408] ? __local_bh_disable_ip+0xfb/0x190 [ 113.781426][ T4408] ? read_lock_is_recursive+0x10/0x10 [ 113.786839][ T4408] ? __local_bh_enable_ip+0x12a/0x1b0 [ 113.792313][ T4408] ? kthread_data+0x4b/0xc0 [ 113.796811][ T4408] ? kthread_data+0x4b/0xc0 [ 113.801306][ T4408] ? __lock_sock+0x152/0x2a0 [ 113.805885][ T4408] _raw_spin_lock_bh+0x32/0x50 [ 113.810649][ T4408] ? __lock_sock+0x152/0x2a0 [ 113.815306][ T4408] __lock_sock+0x152/0x2a0 [ 113.819734][ T4408] ? sk_page_frag_refill+0x200/0x200 [ 113.824997][ T4408] ? do_raw_spin_lock+0x11d/0x280 [ 113.830001][ T4408] ? init_wait_entry+0xd0/0xd0 [ 113.834756][ T4408] ? __rwlock_init+0x140/0x140 [ 113.839584][ T4408] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 113.845633][ T4408] ? lock_sock_nested+0x68/0x100 [ 113.850551][ T4408] lock_sock_nested+0x9d/0x100 [ 113.855302][ T4408] kcm_tx_work+0x2d/0x180 [ 113.859701][ T4408] process_one_work+0x863/0x1000 [ 113.864659][ T4408] ? worker_detach_from_pool+0x240/0x240 [ 113.870394][ T4408] ? lockdep_hardirqs_off+0x70/0x100 [ 113.875695][ T4408] ? _raw_spin_lock_irq+0xab/0xe0 [ 113.880789][ T4408] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 113.886232][ T4408] ? wq_worker_running+0x97/0x170 [ 113.891327][ T4408] worker_thread+0xaa8/0x12a0 [ 113.895994][ T4408] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 113.901908][ T4408] ? lockdep_hardirqs_on+0x94/0x140 [ 113.907143][ T4408] ? lockdep_hardirqs_on+0x94/0x140 [ 113.912323][ T4408] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 113.918198][ T4408] kthread+0x436/0x520 [ 113.922248][ T4408] ? rcu_lock_release+0x20/0x20 [ 113.927181][ T4408] ? kthread_blkcg+0xd0/0xd0 [ 113.931844][ T4408] ret_from_fork+0x1f/0x30 [ 113.936248][ T4408] [ 113.939498][ T4408] Kernel Offset: disabled [ 113.943855][ T4408] Rebooting in 86400 seconds..