Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. 2025/08/10 13:18:37 ignoring optional flag "sandboxArg"="0" 2025/08/10 13:18:38 parsed 1 programs [ 90.729136][ T4635] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 92.974339][ T1265] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.986415][ T1265] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.995540][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 93.015427][ T893] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.023393][ T893] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.034150][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 93.237057][ T4678] chnl_net:caif_netlink_parms(): no params data found [ 93.291813][ T4678] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.299010][ T4678] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.307533][ T4678] device bridge_slave_0 entered promiscuous mode [ 93.316904][ T4678] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.324019][ T4678] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.333439][ T4678] device bridge_slave_1 entered promiscuous mode [ 93.362364][ T4678] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.373798][ T4678] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.403918][ T4678] team0: Port device team_slave_0 added [ 93.411691][ T4678] team0: Port device team_slave_1 added [ 93.434739][ T4678] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.443317][ T4678] 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. [ 93.471535][ T4678] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.484434][ T4678] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.491549][ T4678] 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. [ 93.517927][ T4678] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.550593][ T4678] device hsr_slave_0 entered promiscuous mode [ 93.557824][ T4678] device hsr_slave_1 entered promiscuous mode [ 94.131940][ T4678] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.141341][ T4678] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.151200][ T4678] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.160900][ T4678] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.253815][ T4678] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.268007][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.276168][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.288232][ T4678] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.300099][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.319825][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.328844][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.335962][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.355842][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.364461][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.374309][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.383561][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.390712][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.400566][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.410007][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.450488][ T4678] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 94.463398][ T4678] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.476727][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.488232][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.497850][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.509138][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.519729][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.528616][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.538818][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.548524][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.558952][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.567705][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.739331][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.746900][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 94.759992][ T4678] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.778581][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.788727][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.830214][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.839683][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.851952][ T4678] device veth0_vlan entered promiscuous mode [ 94.873352][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.882041][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.894790][ T4678] device veth1_vlan entered promiscuous mode [ 94.931627][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.941741][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.951131][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.960103][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.971555][ T4678] device veth0_macvtap entered promiscuous mode [ 94.993277][ T4678] device veth1_macvtap entered promiscuous mode [ 95.000289][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 95.008585][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 95.025046][ T4678] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.035160][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 95.046001][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 95.062898][ T4678] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.077786][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 95.087049][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 95.109787][ T4678] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.119203][ T4678] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.128569][ T4678] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.138270][ T4678] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/08/10 13:18:47 executed programs: 0 [ 96.986288][ T4835] chnl_net:caif_netlink_parms(): no params data found [ 97.050980][ T4835] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.060497][ T4835] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.068662][ T4835] device bridge_slave_0 entered promiscuous mode [ 97.078914][ T4835] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.086113][ T4835] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.094111][ T4835] device bridge_slave_1 entered promiscuous mode [ 97.126005][ T4835] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.139616][ T4835] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.170521][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.194133][ T4835] team0: Port device team_slave_0 added [ 97.204949][ T4835] team0: Port device team_slave_1 added [ 97.229547][ T4835] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.236817][ T4835] 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. [ 97.263269][ T4835] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.277029][ T4835] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.283985][ T4835] 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. [ 97.310420][ T4835] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.348605][ T4835] device hsr_slave_0 entered promiscuous mode [ 97.357710][ T4835] device hsr_slave_1 entered promiscuous mode [ 97.364287][ T4835] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 97.372736][ T4835] Cannot create hsr debugfs directory [ 98.875541][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 100.660916][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.729896][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.770901][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.945397][ T3522] Bluetooth: hci0: command 0x041b tx timeout [ 101.628983][ T4835] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.640070][ T4835] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.661247][ T4835] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.670498][ T4835] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.728055][ T4835] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.751251][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.759059][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.769147][ T4835] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.778375][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.787391][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.796713][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.803850][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.811574][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 101.833033][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 101.841869][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 101.850685][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.857794][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.869439][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 101.883980][ T9] device hsr_slave_0 left promiscuous mode [ 101.890953][ T9] device hsr_slave_1 left promiscuous mode [ 101.897709][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 101.905086][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 101.914031][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 101.921506][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 101.929280][ T9] device bridge_slave_1 left promiscuous mode [ 101.936179][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.944238][ T9] device bridge_slave_0 left promiscuous mode [ 101.950741][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.963518][ T9] device veth1_macvtap left promiscuous mode [ 101.969596][ T9] device veth0_macvtap left promiscuous mode [ 101.975799][ T9] device veth1_vlan left promiscuous mode [ 101.981557][ T9] device veth0_vlan left promiscuous mode [ 102.102815][ T9] team0 (unregistering): Port device team_slave_1 removed [ 102.115134][ T9] team0 (unregistering): Port device team_slave_0 removed [ 102.128150][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 102.140720][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 102.186616][ T9] bond0 (unregistering): Released all slaves [ 102.240477][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 102.254133][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 102.263765][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 102.272397][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 102.282059][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 102.291859][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 102.305568][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 102.314141][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 102.322829][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 102.332093][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 102.342415][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 102.426764][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 102.434291][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 102.446834][ T4835] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.461965][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 102.471143][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 102.494200][ T4835] device veth0_vlan entered promiscuous mode [ 102.501567][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 102.510639][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 102.519616][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 102.528539][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 102.540808][ T4835] device veth1_vlan entered promiscuous mode [ 102.557295][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 102.566421][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 102.575990][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 102.584437][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 102.595677][ T4835] device veth0_macvtap entered promiscuous mode [ 102.604096][ T4835] device veth1_macvtap entered promiscuous mode [ 102.623021][ T4835] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.635404][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 102.650875][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 102.659602][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 102.669592][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 102.680429][ T4835] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.690538][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 102.699586][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 102.710534][ T4835] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.720246][ T4835] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.729456][ T4835] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.738491][ T4835] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.797608][ T1265] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.816396][ T1265] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.824134][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.833072][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/08/10 13:18:53 executed programs: 2 [ 102.844079][ T893] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 102.854716][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 103.035348][ T3522] Bluetooth: hci0: command 0x040f tx timeout [ 105.105386][ T3522] Bluetooth: hci0: command 0x0419 tx timeout [ 106.349638][ T1232] ================================================================== [ 106.357724][ T1232] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c60 [ 106.365009][ T1232] Read of size 8 at addr ffff88807bb79da0 by task kworker/u4:4/1232 [ 106.373076][ T1232] [ 106.375397][ T1232] CPU: 0 PID: 1232 Comm: kworker/u4:4 Not tainted 5.15.189-syzkaller #0 [ 106.383713][ T1232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 106.393771][ T1232] Workqueue: kkcmd kcm_tx_work [ 106.398650][ T1232] Call Trace: [ 106.401916][ T1232] [ 106.404839][ T1232] dump_stack_lvl+0x168/0x230 [ 106.409515][ T1232] ? show_regs_print_info+0x20/0x20 [ 106.414787][ T1232] ? load_image+0x3b0/0x3b0 [ 106.419309][ T1232] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 106.424673][ T1232] print_address_description+0x60/0x2d0 [ 106.430204][ T1232] ? __lock_acquire+0xf7/0x7c60 [ 106.435114][ T1232] kasan_report+0xdf/0x130 [ 106.439574][ T1232] ? __lock_acquire+0xf7/0x7c60 [ 106.444427][ T1232] __lock_acquire+0xf7/0x7c60 [ 106.449273][ T1232] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 106.455255][ T1232] ? lock_chain_count+0x20/0x20 [ 106.460102][ T1232] ? finish_lock_switch+0x12f/0x280 [ 106.465380][ T1232] ? lockdep_hardirqs_on+0x94/0x140 [ 106.470675][ T1232] ? finish_lock_switch+0x12f/0x280 [ 106.475880][ T1232] ? verify_lock_unused+0x140/0x140 [ 106.481061][ T1232] ? finish_task_switch+0x12f/0x640 [ 106.486251][ T1232] ? __switch_to_asm+0x34/0x60 [ 106.491014][ T1232] ? __schedule+0x11c0/0x43b0 [ 106.495789][ T1232] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 106.501859][ T1232] lock_acquire+0x197/0x3f0 [ 106.506363][ T1232] ? __lock_sock+0x152/0x2a0 [ 106.510943][ T1232] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 106.516920][ T1232] ? __local_bh_disable_ip+0xfb/0x190 [ 106.522281][ T1232] ? read_lock_is_recursive+0x10/0x10 [ 106.527656][ T1232] ? __local_bh_enable_ip+0x12a/0x1b0 [ 106.533107][ T1232] ? kthread_data+0x4b/0xc0 [ 106.537658][ T1232] ? kthread_data+0x4b/0xc0 [ 106.542152][ T1232] ? __lock_sock+0x152/0x2a0 [ 106.546848][ T1232] _raw_spin_lock_bh+0x32/0x50 [ 106.551698][ T1232] ? __lock_sock+0x152/0x2a0 [ 106.556275][ T1232] __lock_sock+0x152/0x2a0 [ 106.560676][ T1232] ? sk_page_frag_refill+0x200/0x200 [ 106.566057][ T1232] ? do_raw_spin_lock+0x11d/0x280 [ 106.571082][ T1232] ? init_wait_entry+0xd0/0xd0 [ 106.575849][ T1232] ? __rwlock_init+0x140/0x140 [ 106.580604][ T1232] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 106.586573][ T1232] ? lock_sock_nested+0x68/0x100 [ 106.591516][ T1232] lock_sock_nested+0x9d/0x100 [ 106.596276][ T1232] kcm_tx_work+0x2d/0x180 [ 106.600614][ T1232] process_one_work+0x863/0x1000 [ 106.605550][ T1232] ? worker_detach_from_pool+0x240/0x240 [ 106.611178][ T1232] ? lockdep_hardirqs_off+0x70/0x100 [ 106.616456][ T1232] ? _raw_spin_lock_irq+0xab/0xe0 [ 106.621534][ T1232] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 106.627244][ T1232] ? wq_worker_running+0x97/0x170 [ 106.632264][ T1232] worker_thread+0xaa8/0x12a0 [ 106.637076][ T1232] kthread+0x436/0x520 [ 106.641150][ T1232] ? rcu_lock_release+0x20/0x20 [ 106.646254][ T1232] ? kthread_blkcg+0xd0/0xd0 [ 106.650862][ T1232] ret_from_fork+0x1f/0x30 [ 106.655289][ T1232] [ 106.658453][ T1232] [ 106.660770][ T1232] Allocated by task 5125: [ 106.665201][ T1232] __kasan_slab_alloc+0x9c/0xd0 [ 106.670053][ T1232] slab_post_alloc_hook+0x4c/0x380 [ 106.675150][ T1232] kmem_cache_alloc+0x100/0x290 [ 106.680132][ T1232] sk_prot_alloc+0x57/0x210 [ 106.684624][ T1232] sk_alloc+0x2f/0x310 [ 106.688683][ T1232] kcm_ioctl+0x211/0xff0 [ 106.693021][ T1232] sock_do_ioctl+0xd3/0x2f0 [ 106.697621][ T1232] sock_ioctl+0x4ed/0x6e0 [ 106.702028][ T1232] __se_sys_ioctl+0xfa/0x170 [ 106.706638][ T1232] do_syscall_64+0x4c/0xa0 [ 106.711284][ T1232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.717284][ T1232] [ 106.719774][ T1232] Freed by task 5126: [ 106.723806][ T1232] kasan_set_track+0x4b/0x70 [ 106.728453][ T1232] kasan_set_free_info+0x1f/0x40 [ 106.733484][ T1232] ____kasan_slab_free+0xd5/0x110 [ 106.738492][ T1232] slab_free_freelist_hook+0xea/0x170 [ 106.743864][ T1232] kmem_cache_free+0x8f/0x210 [ 106.748539][ T1232] __sk_destruct+0x54b/0x820 [ 106.753123][ T1232] kcm_release+0x51a/0x5b0 [ 106.757625][ T1232] sock_close+0xd5/0x240 [ 106.761940][ T1232] __fput+0x234/0x930 [ 106.765905][ T1232] task_work_run+0x125/0x1a0 [ 106.770480][ T1232] exit_to_user_mode_loop+0x10f/0x130 [ 106.775835][ T1232] exit_to_user_mode_prepare+0xb1/0x140 [ 106.781362][ T1232] syscall_exit_to_user_mode+0x16/0x40 [ 106.786818][ T1232] do_syscall_64+0x58/0xa0 [ 106.791233][ T1232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.797241][ T1232] [ 106.799572][ T1232] Last potentially related work creation: [ 106.805432][ T1232] kasan_save_stack+0x35/0x60 [ 106.810204][ T1232] kasan_record_aux_stack+0xb8/0x100 [ 106.815735][ T1232] insert_work+0x54/0x3d0 [ 106.820070][ T1232] __queue_work+0x9c5/0xd50 [ 106.824568][ T1232] queue_work_on+0x11d/0x1d0 [ 106.829163][ T1232] kcm_unattach+0x85e/0xe80 [ 106.833654][ T1232] kcm_ioctl+0x78d/0xff0 [ 106.837890][ T1232] sock_do_ioctl+0xd3/0x2f0 [ 106.842405][ T1232] sock_ioctl+0x4ed/0x6e0 [ 106.846811][ T1232] __se_sys_ioctl+0xfa/0x170 [ 106.851398][ T1232] do_syscall_64+0x4c/0xa0 [ 106.855891][ T1232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.861804][ T1232] [ 106.864145][ T1232] Second to last potentially related work creation: [ 106.870836][ T1232] kasan_save_stack+0x35/0x60 [ 106.875640][ T1232] kasan_record_aux_stack+0xb8/0x100 [ 106.880934][ T1232] insert_work+0x54/0x3d0 [ 106.885265][ T1232] __queue_work+0x9c5/0xd50 [ 106.889864][ T1232] queue_work_on+0x11d/0x1d0 [ 106.894465][ T1232] kcm_ioctl+0xe4b/0xff0 [ 106.898705][ T1232] sock_do_ioctl+0xd3/0x2f0 [ 106.903219][ T1232] sock_ioctl+0x4ed/0x6e0 [ 106.907635][ T1232] __se_sys_ioctl+0xfa/0x170 [ 106.912225][ T1232] do_syscall_64+0x4c/0xa0 [ 106.916652][ T1232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.922544][ T1232] [ 106.924860][ T1232] The buggy address belongs to the object at ffff88807bb79d00 [ 106.924860][ T1232] which belongs to the cache KCM of size 1728 [ 106.938287][ T1232] The buggy address is located 160 bytes inside of [ 106.938287][ T1232] 1728-byte region [ffff88807bb79d00, ffff88807bb7a3c0) [ 106.951662][ T1232] The buggy address belongs to the page: [ 106.957394][ T1232] page:ffffea0001eede00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7bb78 [ 106.967533][ T1232] head:ffffea0001eede00 order:3 compound_mapcount:0 compound_pincount:0 [ 106.975855][ T1232] memcg:ffff888021f0d001 [ 106.980078][ T1232] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 106.988064][ T1232] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88802a690000 [ 106.996740][ T1232] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff888021f0d001 [ 107.005306][ T1232] page dumped because: kasan: bad access detected [ 107.011843][ T1232] page_owner tracks the page as allocated [ 107.017564][ T1232] 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 5109, ts 102963166262, free_ts 102164836367 [ 107.038310][ T1232] get_page_from_freelist+0x1b77/0x1c60 [ 107.043850][ T1232] __alloc_pages+0x1e1/0x470 [ 107.048859][ T1232] new_slab+0xc0/0x4b0 [ 107.052950][ T1232] ___slab_alloc+0x81e/0xdf0 [ 107.057699][ T1232] kmem_cache_alloc+0x195/0x290 [ 107.062541][ T1232] sk_prot_alloc+0x57/0x210 [ 107.067032][ T1232] sk_alloc+0x2f/0x310 [ 107.071097][ T1232] kcm_ioctl+0x211/0xff0 [ 107.075444][ T1232] sock_do_ioctl+0xd3/0x2f0 [ 107.079947][ T1232] sock_ioctl+0x4ed/0x6e0 [ 107.084444][ T1232] __se_sys_ioctl+0xfa/0x170 [ 107.089021][ T1232] do_syscall_64+0x4c/0xa0 [ 107.093446][ T1232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.099796][ T1232] page last free stack trace: [ 107.104558][ T1232] free_unref_page_prepare+0x637/0x6c0 [ 107.110138][ T1232] free_unref_page+0x94/0x280 [ 107.115412][ T1232] qlist_free_all+0x35/0x90 [ 107.119906][ T1232] kasan_quarantine_reduce+0x150/0x160 [ 107.125353][ T1232] __kasan_slab_alloc+0x2f/0xd0 [ 107.130367][ T1232] slab_post_alloc_hook+0x4c/0x380 [ 107.135479][ T1232] kmem_cache_alloc_node+0x12d/0x2d0 [ 107.140747][ T1232] __alloc_skb+0xf4/0x750 [ 107.145061][ T1232] inet6_netconf_notify_devconf+0x10b/0x1d0 [ 107.150938][ T1232] addrconf_ifdown+0x162b/0x1970 [ 107.156039][ T1232] addrconf_notify+0x445/0xf00 [ 107.160801][ T1232] raw_notifier_call_chain+0xcb/0x160 [ 107.166245][ T1232] unregister_netdevice_many+0xf57/0x18f0 [ 107.171971][ T1232] default_device_exit_batch+0x336/0x390 [ 107.177583][ T1232] cleanup_net+0x77b/0xb80 [ 107.181982][ T1232] process_one_work+0x863/0x1000 [ 107.187009][ T1232] [ 107.189407][ T1232] Memory state around the buggy address: [ 107.195197][ T1232] ffff88807bb79c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 107.203266][ T1232] ffff88807bb79d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.211305][ T1232] >ffff88807bb79d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.219340][ T1232] ^ [ 107.224425][ T1232] ffff88807bb79e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.232595][ T1232] ffff88807bb79e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.240637][ T1232] ================================================================== [ 107.248769][ T1232] Disabling lock debugging due to kernel taint [ 107.254930][ T1232] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 107.262120][ T1232] CPU: 0 PID: 1232 Comm: kworker/u4:4 Tainted: G B 5.15.189-syzkaller #0 [ 107.271998][ T1232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 107.282050][ T1232] Workqueue: kkcmd kcm_tx_work [ 107.286878][ T1232] Call Trace: [ 107.290144][ T1232] [ 107.293070][ T1232] dump_stack_lvl+0x168/0x230 [ 107.297839][ T1232] ? show_regs_print_info+0x20/0x20 [ 107.303071][ T1232] ? load_image+0x3b0/0x3b0 [ 107.307562][ T1232] panic+0x2c9/0x7f0 [ 107.311485][ T1232] ? bpf_jit_dump+0xd0/0xd0 [ 107.315983][ T1232] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 107.321862][ T1232] ? _raw_spin_unlock+0x40/0x40 [ 107.326982][ T1232] ? __lock_acquire+0xf7/0x7c60 [ 107.331878][ T1232] check_panic_on_warn+0x80/0xa0 [ 107.337154][ T1232] ? __lock_acquire+0xf7/0x7c60 [ 107.341990][ T1232] end_report+0x6d/0xf0 [ 107.346304][ T1232] kasan_report+0x102/0x130 [ 107.350877][ T1232] ? __lock_acquire+0xf7/0x7c60 [ 107.355712][ T1232] __lock_acquire+0xf7/0x7c60 [ 107.360415][ T1232] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.366392][ T1232] ? lock_chain_count+0x20/0x20 [ 107.371230][ T1232] ? finish_lock_switch+0x12f/0x280 [ 107.376505][ T1232] ? lockdep_hardirqs_on+0x94/0x140 [ 107.381739][ T1232] ? finish_lock_switch+0x12f/0x280 [ 107.387097][ T1232] ? verify_lock_unused+0x140/0x140 [ 107.392499][ T1232] ? finish_task_switch+0x12f/0x640 [ 107.397684][ T1232] ? __switch_to_asm+0x34/0x60 [ 107.402428][ T1232] ? __schedule+0x11c0/0x43b0 [ 107.407112][ T1232] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.413076][ T1232] lock_acquire+0x197/0x3f0 [ 107.417585][ T1232] ? __lock_sock+0x152/0x2a0 [ 107.422769][ T1232] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 107.428779][ T1232] ? __local_bh_disable_ip+0xfb/0x190 [ 107.434143][ T1232] ? read_lock_is_recursive+0x10/0x10 [ 107.439524][ T1232] ? __local_bh_enable_ip+0x12a/0x1b0 [ 107.444879][ T1232] ? kthread_data+0x4b/0xc0 [ 107.449404][ T1232] ? kthread_data+0x4b/0xc0 [ 107.453919][ T1232] ? __lock_sock+0x152/0x2a0 [ 107.458497][ T1232] _raw_spin_lock_bh+0x32/0x50 [ 107.463247][ T1232] ? __lock_sock+0x152/0x2a0 [ 107.467818][ T1232] __lock_sock+0x152/0x2a0 [ 107.472215][ T1232] ? sk_page_frag_refill+0x200/0x200 [ 107.477739][ T1232] ? do_raw_spin_lock+0x11d/0x280 [ 107.482922][ T1232] ? init_wait_entry+0xd0/0xd0 [ 107.487679][ T1232] ? __rwlock_init+0x140/0x140 [ 107.492425][ T1232] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.498498][ T1232] ? lock_sock_nested+0x68/0x100 [ 107.503505][ T1232] lock_sock_nested+0x9d/0x100 [ 107.508279][ T1232] kcm_tx_work+0x2d/0x180 [ 107.512594][ T1232] process_one_work+0x863/0x1000 [ 107.517530][ T1232] ? worker_detach_from_pool+0x240/0x240 [ 107.523234][ T1232] ? lockdep_hardirqs_off+0x70/0x100 [ 107.528588][ T1232] ? _raw_spin_lock_irq+0xab/0xe0 [ 107.533597][ T1232] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 107.538957][ T1232] ? wq_worker_running+0x97/0x170 [ 107.543971][ T1232] worker_thread+0xaa8/0x12a0 [ 107.548642][ T1232] kthread+0x436/0x520 [ 107.552693][ T1232] ? rcu_lock_release+0x20/0x20 [ 107.557533][ T1232] ? kthread_blkcg+0xd0/0xd0 [ 107.562137][ T1232] ret_from_fork+0x1f/0x30 [ 107.566543][ T1232] [ 107.569855][ T1232] Kernel Offset: disabled [ 107.574182][ T1232] Rebooting in 86400 seconds..