Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts. 2025/12/29 02:27:49 parsed 1 programs [ 111.754418][ T4612] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 114.542791][ T4651] chnl_net:caif_netlink_parms(): no params data found [ 114.605014][ T4651] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.612387][ T4651] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.620665][ T4651] device bridge_slave_0 entered promiscuous mode [ 114.629479][ T4651] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.637007][ T4651] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.645409][ T4651] device bridge_slave_1 entered promiscuous mode [ 114.674101][ T4651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 114.685664][ T4651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 114.715671][ T4651] team0: Port device team_slave_0 added [ 114.723776][ T4651] team0: Port device team_slave_1 added [ 114.749061][ T4651] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 114.756388][ T4651] 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. [ 114.782976][ T4651] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 114.795645][ T4651] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 114.802784][ T4651] 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. [ 114.828958][ T4651] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 114.868759][ T4651] device hsr_slave_0 entered promiscuous mode [ 114.875932][ T4651] device hsr_slave_1 entered promiscuous mode [ 115.694656][ T4651] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 115.705790][ T4651] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 115.716393][ T4651] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 115.727656][ T4651] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 115.797153][ T4651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.814367][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.823164][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.834133][ T4651] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.845452][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 115.855018][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 115.864123][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.871222][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.880427][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 115.895838][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 115.905391][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 115.916506][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.923856][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.960914][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 115.972934][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 115.983307][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 115.993854][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 116.013519][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 116.022473][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 116.031338][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 116.040771][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 116.052898][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 116.063167][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 116.072980][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 116.109046][ T4651] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 116.274453][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 116.285083][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 116.320550][ T4651] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 116.345160][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 116.356669][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 116.405145][ T4651] device veth0_vlan entered promiscuous mode [ 116.413822][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 116.422563][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 116.431202][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 116.440958][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 116.457849][ T4651] device veth1_vlan entered promiscuous mode [ 116.500883][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 116.510404][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 116.520420][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 116.530655][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 116.545120][ T4651] device veth0_macvtap entered promiscuous mode [ 116.571176][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 116.583555][ T4651] device veth1_macvtap entered promiscuous mode [ 116.621189][ T4651] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 116.630775][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 116.639963][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 116.653304][ T4651] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 116.664081][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 116.674628][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 116.686561][ T4651] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.701961][ T4651] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.711049][ T4651] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.721434][ T4651] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.505124][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.518698][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.548756][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 117.574393][ T1255] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.598631][ T1255] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.624420][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 119.027633][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/29 02:28:00 executed programs: 0 [ 119.288802][ T4798] chnl_net:caif_netlink_parms(): no params data found [ 119.354109][ T4798] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.361319][ T4798] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.370030][ T4798] device bridge_slave_0 entered promiscuous mode [ 119.378672][ T4798] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.386122][ T4798] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.395023][ T4798] device bridge_slave_1 entered promiscuous mode [ 119.423462][ T4798] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.435468][ T4798] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.468215][ T4798] team0: Port device team_slave_0 added [ 119.477593][ T4798] team0: Port device team_slave_1 added [ 119.503847][ T4798] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.510890][ T4798] 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. [ 119.537127][ T4798] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.549882][ T4798] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.557133][ T4798] 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. [ 119.583782][ T4798] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.639664][ T4798] device hsr_slave_0 entered promiscuous mode [ 119.649444][ T4798] device hsr_slave_1 entered promiscuous mode [ 119.656745][ T4798] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 119.666929][ T4798] Cannot create hsr debugfs directory [ 121.201328][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 121.232093][ T4205] Bluetooth: hci0: command 0x0409 tx timeout [ 121.268965][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 121.334557][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.130552][ T4798] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 122.154720][ T4798] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 122.165084][ T4798] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 122.177719][ T4798] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 122.320677][ T4798] 8021q: adding VLAN 0 to HW filter on device bond0 [ 122.364883][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.374066][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.387598][ T4798] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.417384][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 122.427324][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 122.436607][ T1255] bridge0: port 1(bridge_slave_0) entered blocking state [ 122.443887][ T1255] bridge0: port 1(bridge_slave_0) entered forwarding state [ 122.456211][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 122.472020][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 122.483348][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 122.495226][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 122.502428][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 122.511672][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 122.544934][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 122.564547][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 122.576656][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 122.587736][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 122.601038][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 122.610641][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 122.645749][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 122.655711][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 122.670223][ T4798] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 122.684353][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 122.698947][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 122.723915][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 122.856176][ T9] device hsr_slave_0 left promiscuous mode [ 122.866840][ T9] device hsr_slave_1 left promiscuous mode [ 122.874250][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 122.885012][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 122.893818][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 122.901447][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 122.934933][ T9] device bridge_slave_1 left promiscuous mode [ 122.941303][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 122.952943][ T9] device bridge_slave_0 left promiscuous mode [ 122.959239][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 122.976362][ T9] device veth1_macvtap left promiscuous mode [ 122.985253][ T9] device veth0_macvtap left promiscuous mode [ 122.991736][ T9] device veth1_vlan left promiscuous mode [ 122.998273][ T9] device veth0_vlan left promiscuous mode [ 123.267249][ T9] team0 (unregistering): Port device team_slave_1 removed [ 123.281716][ T9] team0 (unregistering): Port device team_slave_0 removed [ 123.297448][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 123.312046][ T23] Bluetooth: hci0: command 0x041b tx timeout [ 123.318412][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 123.397768][ T9] bond0 (unregistering): Released all slaves [ 123.487576][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 123.497467][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 123.516190][ T4798] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 123.544631][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 123.555746][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 123.589161][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 123.599626][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 123.609613][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 123.618401][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 123.629680][ T4798] device veth0_vlan entered promiscuous mode [ 123.676080][ T4798] device veth1_vlan entered promiscuous mode [ 123.703940][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 123.715106][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 123.727055][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 123.737663][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 123.751249][ T4798] device veth0_macvtap entered promiscuous mode [ 123.771513][ T4798] device veth1_macvtap entered promiscuous mode [ 123.816889][ T4798] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 123.825641][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 123.836494][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 123.846513][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 123.857955][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 123.871558][ T4798] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 123.882473][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 123.894373][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 123.914442][ T4798] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.924506][ T4798] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.934161][ T4798] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.951988][ T4798] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 124.070693][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 124.092902][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 124.115618][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 124.134348][ T1255] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 124.148684][ T1255] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/12/29 02:28:05 executed programs: 2 [ 124.182109][ T1255] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 125.383382][ T4306] Bluetooth: hci0: command 0x040f tx timeout [ 127.462239][ T4306] Bluetooth: hci0: command 0x0419 tx timeout 2025/12/29 02:28:11 executed programs: 8 [ 132.904227][ T1423] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.910618][ T1423] ieee802154 phy1 wpan1: encryption failed: -22 2025/12/29 02:28:16 executed programs: 14 [ 134.536669][ T144] ================================================================== [ 134.544782][ T144] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c60 [ 134.552023][ T144] Read of size 8 at addr ffff88807d245320 by task kworker/u4:1/144 [ 134.559927][ T144] [ 134.562277][ T144] CPU: 1 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 134.569894][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 134.579982][ T144] Workqueue: kkcmd kcm_tx_work [ 134.584796][ T144] Call Trace: [ 134.588100][ T144] [ 134.591047][ T144] dump_stack_lvl+0x168/0x230 [ 134.595743][ T144] ? show_regs_print_info+0x20/0x20 [ 134.600958][ T144] ? load_image+0x3b0/0x3b0 [ 134.605475][ T144] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 134.610883][ T144] print_address_description+0x60/0x2d0 [ 134.616471][ T144] ? __lock_acquire+0xf7/0x7c60 [ 134.621509][ T144] kasan_report+0xdf/0x130 [ 134.625943][ T144] ? __lock_acquire+0xf7/0x7c60 [ 134.630812][ T144] __lock_acquire+0xf7/0x7c60 [ 134.635502][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 134.641504][ T144] ? lock_chain_count+0x20/0x20 [ 134.646376][ T144] ? finish_lock_switch+0x12f/0x280 [ 134.651764][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 134.657071][ T144] ? finish_lock_switch+0x12f/0x280 [ 134.662542][ T144] ? verify_lock_unused+0x140/0x140 [ 134.667760][ T144] ? finish_task_switch+0x12f/0x640 [ 134.672973][ T144] ? __switch_to_asm+0x34/0x60 [ 134.677759][ T144] ? __schedule+0x11c3/0x4390 [ 134.682454][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 134.688456][ T144] lock_acquire+0x197/0x3f0 [ 134.692975][ T144] ? __lock_sock+0x152/0x2a0 [ 134.697592][ T144] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 134.703695][ T144] ? __local_bh_disable_ip+0xfb/0x190 [ 134.709097][ T144] ? read_lock_is_recursive+0x10/0x10 [ 134.714497][ T144] ? __local_bh_enable_ip+0x12a/0x1b0 [ 134.719889][ T144] ? kthread_data+0x4b/0xc0 [ 134.724414][ T144] ? kthread_data+0x4b/0xc0 [ 134.728939][ T144] ? __lock_sock+0x152/0x2a0 [ 134.733544][ T144] _raw_spin_lock_bh+0x32/0x50 [ 134.738330][ T144] ? __lock_sock+0x152/0x2a0 [ 134.742939][ T144] __lock_sock+0x152/0x2a0 [ 134.747377][ T144] ? sk_page_frag_refill+0x200/0x200 [ 134.752675][ T144] ? do_raw_spin_lock+0x11d/0x280 [ 134.757713][ T144] ? init_wait_entry+0xd0/0xd0 [ 134.762510][ T144] ? __rwlock_init+0x140/0x140 [ 134.767286][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 134.773375][ T144] ? lock_sock_nested+0x68/0x100 [ 134.778330][ T144] lock_sock_nested+0x9d/0x100 [ 134.783111][ T144] kcm_tx_work+0x2d/0x180 [ 134.787458][ T144] process_one_work+0x863/0x1000 [ 134.792423][ T144] ? worker_detach_from_pool+0x240/0x240 [ 134.798072][ T144] ? lockdep_hardirqs_off+0x70/0x100 [ 134.803383][ T144] ? _raw_spin_lock_irq+0xab/0xe0 [ 134.808507][ T144] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 134.813985][ T144] ? wq_worker_running+0x97/0x170 [ 134.819028][ T144] worker_thread+0xaa8/0x12a0 [ 134.823725][ T144] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 134.829638][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 134.834851][ T144] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 134.840765][ T144] kthread+0x436/0x520 [ 134.844844][ T144] ? rcu_lock_release+0x20/0x20 [ 134.849718][ T144] ? kthread_blkcg+0xd0/0xd0 [ 134.854318][ T144] ret_from_fork+0x1f/0x30 [ 134.858763][ T144] [ 134.861805][ T144] [ 134.864152][ T144] Allocated by task 5098: [ 134.868495][ T144] __kasan_slab_alloc+0x9c/0xd0 [ 134.873419][ T144] slab_post_alloc_hook+0x4c/0x380 [ 134.878555][ T144] kmem_cache_alloc+0x100/0x290 [ 134.883420][ T144] sk_prot_alloc+0x57/0x210 [ 134.887938][ T144] sk_alloc+0x2f/0x310 [ 134.892379][ T144] kcm_ioctl+0x211/0xff0 [ 134.896648][ T144] sock_do_ioctl+0xd3/0x2f0 [ 134.901166][ T144] sock_ioctl+0x4ed/0x6e0 [ 134.905506][ T144] __se_sys_ioctl+0xfa/0x170 [ 134.910119][ T144] do_syscall_64+0x4c/0xa0 [ 134.914573][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 134.920861][ T144] [ 134.923203][ T144] Freed by task 5099: [ 134.927198][ T144] kasan_set_track+0x4b/0x70 [ 134.931906][ T144] kasan_set_free_info+0x1f/0x40 [ 134.936855][ T144] ____kasan_slab_free+0xd5/0x110 [ 134.941893][ T144] slab_free_freelist_hook+0xea/0x170 [ 134.947276][ T144] kmem_cache_free+0x8f/0x210 [ 134.952054][ T144] __sk_destruct+0x569/0x840 [ 134.956667][ T144] kcm_release+0x51a/0x5b0 [ 134.961099][ T144] sock_close+0xd5/0x240 [ 134.965350][ T144] __fput+0x234/0x930 [ 134.969341][ T144] task_work_run+0x125/0x1a0 [ 134.973946][ T144] exit_to_user_mode_loop+0x10f/0x130 [ 134.979336][ T144] exit_to_user_mode_prepare+0xee/0x180 [ 134.985027][ T144] syscall_exit_to_user_mode+0x16/0x40 [ 134.990524][ T144] do_syscall_64+0x58/0xa0 [ 134.994962][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.000880][ T144] [ 135.003216][ T144] Last potentially related work creation: [ 135.008941][ T144] kasan_save_stack+0x35/0x60 [ 135.013639][ T144] kasan_record_aux_stack+0xb8/0x100 [ 135.018939][ T144] insert_work+0x54/0x3d0 [ 135.023291][ T144] __queue_work+0x9c5/0xd50 [ 135.027815][ T144] queue_work_on+0x11d/0x1d0 [ 135.032435][ T144] kcm_unattach+0x85e/0xe80 [ 135.036955][ T144] kcm_ioctl+0x78d/0xff0 [ 135.041251][ T144] sock_do_ioctl+0xd3/0x2f0 [ 135.045860][ T144] sock_ioctl+0x4ed/0x6e0 [ 135.050203][ T144] __se_sys_ioctl+0xfa/0x170 [ 135.054808][ T144] do_syscall_64+0x4c/0xa0 [ 135.059255][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.065213][ T144] [ 135.067560][ T144] Second to last potentially related work creation: [ 135.074157][ T144] kasan_save_stack+0x35/0x60 [ 135.078866][ T144] kasan_record_aux_stack+0xb8/0x100 [ 135.084167][ T144] insert_work+0x54/0x3d0 [ 135.088534][ T144] __queue_work+0x9c5/0xd50 [ 135.093162][ T144] queue_work_on+0x11d/0x1d0 [ 135.097780][ T144] kcm_ioctl+0xe4b/0xff0 [ 135.102052][ T144] sock_do_ioctl+0xd3/0x2f0 [ 135.106579][ T144] sock_ioctl+0x4ed/0x6e0 [ 135.111020][ T144] __se_sys_ioctl+0xfa/0x170 [ 135.115644][ T144] do_syscall_64+0x4c/0xa0 [ 135.120077][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.125983][ T144] [ 135.128326][ T144] The buggy address belongs to the object at ffff88807d245280 [ 135.128326][ T144] which belongs to the cache KCM of size 1736 [ 135.141801][ T144] The buggy address is located 160 bytes inside of [ 135.141801][ T144] 1736-byte region [ffff88807d245280, ffff88807d245948) [ 135.155186][ T144] The buggy address belongs to the page: [ 135.160838][ T144] page:ffffea0001f49000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d240 [ 135.171001][ T144] head:ffffea0001f49000 order:3 compound_mapcount:0 compound_pincount:0 [ 135.179335][ T144] memcg:ffff888027ec5c01 [ 135.183585][ T144] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 135.191596][ T144] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88814c24d280 [ 135.200189][ T144] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff888027ec5c01 [ 135.208787][ T144] page dumped because: kasan: bad access detected [ 135.215230][ T144] page_owner tracks the page as allocated [ 135.220965][ T144] 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 5036, ts 124344272623, free_ts 124344192818 [ 135.241660][ T144] get_page_from_freelist+0x1b77/0x1c60 [ 135.247329][ T144] __alloc_pages+0x1e1/0x470 [ 135.251938][ T144] new_slab+0xc0/0x4b0 [ 135.256018][ T144] ___slab_alloc+0x81e/0xdf0 [ 135.260619][ T144] kmem_cache_alloc+0x195/0x290 [ 135.265492][ T144] sk_prot_alloc+0x57/0x210 [ 135.270179][ T144] sk_alloc+0x2f/0x310 [ 135.274264][ T144] kcm_ioctl+0x211/0xff0 [ 135.278517][ T144] sock_do_ioctl+0xd3/0x2f0 [ 135.283034][ T144] sock_ioctl+0x4ed/0x6e0 [ 135.287462][ T144] __se_sys_ioctl+0xfa/0x170 [ 135.292160][ T144] do_syscall_64+0x4c/0xa0 [ 135.296593][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.302511][ T144] page last free stack trace: [ 135.307276][ T144] free_unref_page_prepare+0x637/0x6c0 [ 135.312748][ T144] free_unref_page+0x94/0x280 [ 135.317438][ T144] qlist_free_all+0x35/0x90 [ 135.321952][ T144] kasan_quarantine_reduce+0x150/0x160 [ 135.327426][ T144] __kasan_slab_alloc+0x2f/0xd0 [ 135.332390][ T144] slab_post_alloc_hook+0x4c/0x380 [ 135.337532][ T144] kmem_cache_alloc+0x100/0x290 [ 135.342392][ T144] sock_alloc_inode+0x17/0xb0 [ 135.347081][ T144] new_inode_pseudo+0x5f/0x210 [ 135.351882][ T144] sock_alloc+0x42/0x220 [ 135.356142][ T144] kcm_ioctl+0xe8/0xff0 [ 135.360313][ T144] sock_do_ioctl+0xd3/0x2f0 [ 135.364857][ T144] sock_ioctl+0x4ed/0x6e0 [ 135.369211][ T144] __se_sys_ioctl+0xfa/0x170 [ 135.373822][ T144] do_syscall_64+0x4c/0xa0 [ 135.378302][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.384221][ T144] [ 135.386559][ T144] Memory state around the buggy address: [ 135.392252][ T144] ffff88807d245200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 135.400329][ T144] ffff88807d245280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 135.408413][ T144] >ffff88807d245300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 135.416491][ T144] ^ [ 135.421701][ T144] ffff88807d245380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 135.429778][ T144] ffff88807d245400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 135.437851][ T144] ================================================================== [ 135.445918][ T144] Disabling lock debugging due to kernel taint [ 135.452100][ T144] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 135.459313][ T144] CPU: 1 PID: 144 Comm: kworker/u4:1 Tainted: G B syzkaller #0 [ 135.468175][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 135.478243][ T144] Workqueue: kkcmd kcm_tx_work [ 135.483138][ T144] Call Trace: [ 135.486519][ T144] [ 135.489471][ T144] dump_stack_lvl+0x168/0x230 [ 135.494172][ T144] ? show_regs_print_info+0x20/0x20 [ 135.499385][ T144] ? load_image+0x3b0/0x3b0 [ 135.504286][ T144] panic+0x2c9/0x7f0 [ 135.508205][ T144] ? bpf_jit_dump+0xd0/0xd0 [ 135.512722][ T144] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 135.518629][ T144] ? _raw_spin_unlock+0x40/0x40 [ 135.523540][ T144] ? __lock_acquire+0xf7/0x7c60 [ 135.528416][ T144] check_panic_on_warn+0x80/0xa0 [ 135.533371][ T144] ? __lock_acquire+0xf7/0x7c60 [ 135.538241][ T144] end_report+0x6d/0xf0 [ 135.542415][ T144] kasan_report+0x102/0x130 [ 135.546930][ T144] ? __lock_acquire+0xf7/0x7c60 [ 135.551798][ T144] __lock_acquire+0xf7/0x7c60 [ 135.556494][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 135.562581][ T144] ? lock_chain_count+0x20/0x20 [ 135.567448][ T144] ? finish_lock_switch+0x12f/0x280 [ 135.572669][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 135.577882][ T144] ? finish_lock_switch+0x12f/0x280 [ 135.583092][ T144] ? verify_lock_unused+0x140/0x140 [ 135.588507][ T144] ? finish_task_switch+0x12f/0x640 [ 135.593861][ T144] ? __switch_to_asm+0x34/0x60 [ 135.598659][ T144] ? __schedule+0x11c3/0x4390 [ 135.603364][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 135.609381][ T144] lock_acquire+0x197/0x3f0 [ 135.614097][ T144] ? __lock_sock+0x152/0x2a0 [ 135.618722][ T144] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 135.624875][ T144] ? __local_bh_disable_ip+0xfb/0x190 [ 135.630370][ T144] ? read_lock_is_recursive+0x10/0x10 [ 135.635775][ T144] ? __local_bh_enable_ip+0x12a/0x1b0 [ 135.641266][ T144] ? kthread_data+0x4b/0xc0 [ 135.645784][ T144] ? kthread_data+0x4b/0xc0 [ 135.650395][ T144] ? __lock_sock+0x152/0x2a0 [ 135.655081][ T144] _raw_spin_lock_bh+0x32/0x50 [ 135.659870][ T144] ? __lock_sock+0x152/0x2a0 [ 135.664496][ T144] __lock_sock+0x152/0x2a0 [ 135.669051][ T144] ? sk_page_frag_refill+0x200/0x200 [ 135.674359][ T144] ? do_raw_spin_lock+0x11d/0x280 [ 135.679425][ T144] ? init_wait_entry+0xd0/0xd0 [ 135.684206][ T144] ? __rwlock_init+0x140/0x140 [ 135.688983][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 135.694986][ T144] ? lock_sock_nested+0x68/0x100 [ 135.699943][ T144] lock_sock_nested+0x9d/0x100 [ 135.704725][ T144] kcm_tx_work+0x2d/0x180 [ 135.709069][ T144] process_one_work+0x863/0x1000 [ 135.714031][ T144] ? worker_detach_from_pool+0x240/0x240 [ 135.719773][ T144] ? lockdep_hardirqs_off+0x70/0x100 [ 135.725095][ T144] ? _raw_spin_lock_irq+0xab/0xe0 [ 135.730168][ T144] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 135.735562][ T144] ? wq_worker_running+0x97/0x170 [ 135.740628][ T144] worker_thread+0xaa8/0x12a0 [ 135.745320][ T144] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 135.751235][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 135.756452][ T144] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 135.762361][ T144] kthread+0x436/0x520 [ 135.766441][ T144] ? rcu_lock_release+0x20/0x20 [ 135.771312][ T144] ? kthread_blkcg+0xd0/0xd0 [ 135.775930][ T144] ret_from_fork+0x1f/0x30 [ 135.780369][ T144] [ 135.783505][ T144] Kernel Offset: disabled [ 135.788440][ T144] Rebooting in 86400 seconds..