Warning: Permanently added '10.128.1.239' (ED25519) to the list of known hosts. 2025/08/08 22:09:35 ignoring optional flag "sandboxArg"="0" 2025/08/08 22:09:36 parsed 1 programs [ 91.163579][ T4596] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 92.437703][ T4605] chnl_net:caif_netlink_parms(): no params data found [ 92.561635][ T4605] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.569258][ T4605] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.577342][ T4605] device bridge_slave_0 entered promiscuous mode [ 92.585117][ T4605] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.592262][ T4605] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.602593][ T4605] device bridge_slave_1 entered promiscuous mode [ 92.623146][ T4605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.634310][ T4605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.653959][ T4605] team0: Port device team_slave_0 added [ 92.660872][ T4605] team0: Port device team_slave_1 added [ 92.675956][ T4605] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.683071][ T4605] 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. [ 92.709710][ T4605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.721377][ T4605] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.728401][ T4605] 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. [ 92.754385][ T4605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.778935][ T4605] device hsr_slave_0 entered promiscuous mode [ 92.786018][ T4605] device hsr_slave_1 entered promiscuous mode [ 93.288256][ T4605] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.299719][ T4605] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.308512][ T4605] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.322395][ T4605] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.350142][ T4605] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.357471][ T4605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.365651][ T4605] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.372864][ T4605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.431767][ T4605] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.450714][ T4605] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.457876][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.468358][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.477112][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.487654][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 93.506814][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.515881][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.524440][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.531590][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.539563][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.549666][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.558691][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.565823][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.586910][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.596300][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.605533][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.614438][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.641274][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.649963][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.659417][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.671167][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.680856][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.690641][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.699669][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.711401][ T4605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.840592][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.848439][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.863214][ T4605] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.886180][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.896157][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.917393][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.926576][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.935831][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.943450][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.953098][ T4605] device veth0_vlan entered promiscuous mode [ 93.970644][ T4605] device veth1_vlan entered promiscuous mode [ 93.997877][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.007263][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.017061][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.029891][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.042251][ T4605] device veth0_macvtap entered promiscuous mode [ 94.053716][ T4605] device veth1_macvtap entered promiscuous mode [ 94.072845][ T4605] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.082912][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.092607][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.102431][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.111992][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.126088][ T4605] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.136844][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.146857][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.158150][ T4605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.167513][ T4605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.177104][ T4605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.186749][ T4605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.320658][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.455481][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.463495][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.498327][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 95.516243][ T800] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.524255][ T800] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.536791][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 96.471930][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.770507][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.844191][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/08/08 22:09:47 executed programs: 0 [ 99.551639][ T144] device hsr_slave_0 left promiscuous mode [ 99.558357][ T144] device hsr_slave_1 left promiscuous mode [ 99.564532][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.572801][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.581394][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.588832][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.596820][ T144] device bridge_slave_1 left promiscuous mode [ 99.603147][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.611357][ T144] device bridge_slave_0 left promiscuous mode [ 99.617842][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.629377][ T144] device veth1_macvtap left promiscuous mode [ 99.635657][ T144] device veth0_macvtap left promiscuous mode [ 99.641745][ T144] device veth1_vlan left promiscuous mode [ 99.647601][ T144] device veth0_vlan left promiscuous mode [ 99.749563][ T144] team0 (unregistering): Port device team_slave_1 removed [ 99.761029][ T144] team0 (unregistering): Port device team_slave_0 removed [ 99.771590][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 99.783807][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 99.830745][ T144] bond0 (unregistering): Released all slaves [ 99.978354][ T5035] chnl_net:caif_netlink_parms(): no params data found [ 100.070138][ T5035] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.077628][ T5035] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.088972][ T5035] device bridge_slave_0 entered promiscuous mode [ 100.098254][ T5035] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.108933][ T5035] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.117770][ T5035] device bridge_slave_1 entered promiscuous mode [ 100.150020][ T5035] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.164140][ T5035] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.196770][ T5035] team0: Port device team_slave_0 added [ 100.205468][ T5035] team0: Port device team_slave_1 added [ 100.232353][ T5035] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.240737][ T5035] 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. [ 100.267542][ T5035] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.303393][ T5035] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.310607][ T5035] 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. [ 100.337355][ T5035] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.408008][ T5035] device hsr_slave_0 entered promiscuous mode [ 100.415610][ T5035] device hsr_slave_1 entered promiscuous mode [ 100.938436][ T5035] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.959516][ T5035] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.971129][ T5035] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.980933][ T5035] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.168223][ T5035] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.202655][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.211700][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.225296][ T5035] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.238347][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.247728][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.261371][ T800] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.268502][ T800] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.287274][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 101.296834][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 101.306484][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 101.319685][ T800] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.326885][ T800] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.337435][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 101.365186][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 101.374056][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 101.396765][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 101.415951][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 101.426670][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 101.440489][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 101.450913][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 101.466392][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 101.490136][ T5035] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 101.515629][ T5035] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 101.535356][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 101.552809][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 101.566838][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 101.770881][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 101.780614][ T800] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 101.795235][ T5035] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.823257][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 101.833936][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 101.857493][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 101.870615][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 101.892051][ T5035] device veth0_vlan entered promiscuous mode [ 101.899600][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 101.909456][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 101.925270][ T5035] device veth1_vlan entered promiscuous mode [ 101.936664][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 101.963097][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 101.972751][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 101.997826][ T5035] device veth0_macvtap entered promiscuous mode [ 102.010486][ T5035] device veth1_macvtap entered promiscuous mode [ 102.029297][ T5035] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.040437][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 102.049703][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 102.060702][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 102.069867][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 102.084418][ T5035] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.093666][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 102.105000][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 102.116611][ T5035] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.128491][ T5035] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.138349][ T5035] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.149775][ T5035] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.417756][ T800] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.437522][ T800] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.468167][ T4217] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.484555][ T4217] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.498986][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 102.516937][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 103.635096][ T4256] Bluetooth: hci0: command 0x041b tx timeout 2025/08/08 22:09:52 executed programs: 5 [ 105.724791][ T4256] Bluetooth: hci0: command 0x040f tx timeout [ 106.940513][ T144] ================================================================== [ 106.948823][ T144] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c60 [ 106.956325][ T144] Read of size 8 at addr ffff88805cd3ac20 by task kworker/u4:1/144 [ 106.964375][ T144] [ 106.966776][ T144] CPU: 1 PID: 144 Comm: kworker/u4:1 Not tainted 5.15.189-syzkaller #0 [ 106.975106][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 106.985150][ T144] Workqueue: kkcmd kcm_tx_work [ 106.989900][ T144] Call Trace: [ 106.993173][ T144] [ 106.996125][ T144] dump_stack_lvl+0x168/0x230 [ 107.000833][ T144] ? show_regs_print_info+0x20/0x20 [ 107.006012][ T144] ? load_image+0x3b0/0x3b0 [ 107.010497][ T144] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 107.015847][ T144] print_address_description+0x60/0x2d0 [ 107.021370][ T144] ? __lock_acquire+0xf7/0x7c60 [ 107.026206][ T144] kasan_report+0xdf/0x130 [ 107.030601][ T144] ? __lock_acquire+0xf7/0x7c60 [ 107.035443][ T144] __lock_acquire+0xf7/0x7c60 [ 107.040097][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.046074][ T144] ? lock_chain_count+0x20/0x20 [ 107.050912][ T144] ? finish_lock_switch+0x12f/0x280 [ 107.056088][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 107.061262][ T144] ? finish_lock_switch+0x12f/0x280 [ 107.066709][ T144] ? verify_lock_unused+0x140/0x140 [ 107.071906][ T144] ? finish_task_switch+0x12f/0x640 [ 107.077129][ T144] ? __switch_to_asm+0x34/0x60 [ 107.081921][ T144] ? __schedule+0x11c0/0x43b0 [ 107.086611][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.092669][ T144] lock_acquire+0x197/0x3f0 [ 107.097339][ T144] ? __lock_sock+0x152/0x2a0 [ 107.102151][ T144] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 107.108178][ T144] ? __local_bh_disable_ip+0xfb/0x190 [ 107.113615][ T144] ? read_lock_is_recursive+0x10/0x10 [ 107.119107][ T144] ? __local_bh_enable_ip+0x12a/0x1b0 [ 107.124677][ T144] ? kthread_data+0x4b/0xc0 [ 107.129340][ T144] ? kthread_data+0x4b/0xc0 [ 107.133844][ T144] ? __lock_sock+0x152/0x2a0 [ 107.138621][ T144] _raw_spin_lock_bh+0x32/0x50 [ 107.143403][ T144] ? __lock_sock+0x152/0x2a0 [ 107.147981][ T144] __lock_sock+0x152/0x2a0 [ 107.152507][ T144] ? sk_page_frag_refill+0x200/0x200 [ 107.157785][ T144] ? do_raw_spin_lock+0x11d/0x280 [ 107.162903][ T144] ? init_wait_entry+0xd0/0xd0 [ 107.167652][ T144] ? __rwlock_init+0x140/0x140 [ 107.172417][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.178393][ T144] ? lock_sock_nested+0x68/0x100 [ 107.183335][ T144] lock_sock_nested+0x9d/0x100 [ 107.188086][ T144] kcm_tx_work+0x2d/0x180 [ 107.192402][ T144] process_one_work+0x863/0x1000 [ 107.197535][ T144] ? worker_detach_from_pool+0x240/0x240 [ 107.203240][ T144] ? lockdep_hardirqs_off+0x70/0x100 [ 107.208529][ T144] ? _raw_spin_lock_irq+0xab/0xe0 [ 107.213559][ T144] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 107.218914][ T144] ? wq_worker_running+0x97/0x170 [ 107.223919][ T144] worker_thread+0xaa8/0x12a0 [ 107.228587][ T144] kthread+0x436/0x520 [ 107.232746][ T144] ? rcu_lock_release+0x20/0x20 [ 107.237578][ T144] ? kthread_blkcg+0xd0/0xd0 [ 107.242168][ T144] ret_from_fork+0x1f/0x30 [ 107.246588][ T144] [ 107.249695][ T144] [ 107.252055][ T144] Allocated by task 5181: [ 107.256443][ T144] __kasan_slab_alloc+0x9c/0xd0 [ 107.261372][ T144] slab_post_alloc_hook+0x4c/0x380 [ 107.266474][ T144] kmem_cache_alloc+0x100/0x290 [ 107.271547][ T144] sk_prot_alloc+0x57/0x210 [ 107.276043][ T144] sk_alloc+0x2f/0x310 [ 107.280127][ T144] kcm_ioctl+0x211/0xff0 [ 107.284448][ T144] sock_do_ioctl+0xd3/0x2f0 [ 107.288935][ T144] sock_ioctl+0x4ed/0x6e0 [ 107.293273][ T144] __se_sys_ioctl+0xfa/0x170 [ 107.297854][ T144] do_syscall_64+0x4c/0xa0 [ 107.302521][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.308413][ T144] [ 107.310727][ T144] Freed by task 5182: [ 107.314801][ T144] kasan_set_track+0x4b/0x70 [ 107.319477][ T144] kasan_set_free_info+0x1f/0x40 [ 107.324399][ T144] ____kasan_slab_free+0xd5/0x110 [ 107.329424][ T144] slab_free_freelist_hook+0xea/0x170 [ 107.334780][ T144] kmem_cache_free+0x8f/0x210 [ 107.339694][ T144] __sk_destruct+0x54b/0x820 [ 107.344360][ T144] kcm_release+0x51a/0x5b0 [ 107.348760][ T144] sock_close+0xd5/0x240 [ 107.353025][ T144] __fput+0x234/0x930 [ 107.357080][ T144] task_work_run+0x125/0x1a0 [ 107.361745][ T144] exit_to_user_mode_loop+0x10f/0x130 [ 107.367107][ T144] exit_to_user_mode_prepare+0xb1/0x140 [ 107.372722][ T144] syscall_exit_to_user_mode+0x16/0x40 [ 107.378167][ T144] do_syscall_64+0x58/0xa0 [ 107.383102][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.388980][ T144] [ 107.391293][ T144] Last potentially related work creation: [ 107.397010][ T144] kasan_save_stack+0x35/0x60 [ 107.401696][ T144] kasan_record_aux_stack+0xb8/0x100 [ 107.407047][ T144] insert_work+0x54/0x3d0 [ 107.411472][ T144] __queue_work+0x9c5/0xd50 [ 107.415963][ T144] queue_work_on+0x11d/0x1d0 [ 107.420621][ T144] kcm_unattach+0x85e/0xe80 [ 107.425211][ T144] kcm_ioctl+0x78d/0xff0 [ 107.429602][ T144] sock_do_ioctl+0xd3/0x2f0 [ 107.434209][ T144] sock_ioctl+0x4ed/0x6e0 [ 107.438534][ T144] __se_sys_ioctl+0xfa/0x170 [ 107.443135][ T144] do_syscall_64+0x4c/0xa0 [ 107.447558][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.453657][ T144] [ 107.456040][ T144] Second to last potentially related work creation: [ 107.462620][ T144] kasan_save_stack+0x35/0x60 [ 107.467376][ T144] kasan_record_aux_stack+0xb8/0x100 [ 107.472639][ T144] insert_work+0x54/0x3d0 [ 107.476966][ T144] __queue_work+0x9c5/0xd50 [ 107.481449][ T144] queue_work_on+0x11d/0x1d0 [ 107.486039][ T144] kcm_ioctl+0xe4b/0xff0 [ 107.490260][ T144] sock_do_ioctl+0xd3/0x2f0 [ 107.495295][ T144] sock_ioctl+0x4ed/0x6e0 [ 107.499732][ T144] __se_sys_ioctl+0xfa/0x170 [ 107.504311][ T144] do_syscall_64+0x4c/0xa0 [ 107.508708][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.514686][ T144] [ 107.517037][ T144] The buggy address belongs to the object at ffff88805cd3ab80 [ 107.517037][ T144] which belongs to the cache KCM of size 1728 [ 107.530810][ T144] The buggy address is located 160 bytes inside of [ 107.530810][ T144] 1728-byte region [ffff88805cd3ab80, ffff88805cd3b240) [ 107.544296][ T144] The buggy address belongs to the page: [ 107.550040][ T144] page:ffffea0001734e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5cd38 [ 107.560520][ T144] head:ffffea0001734e00 order:3 compound_mapcount:0 compound_pincount:0 [ 107.568890][ T144] memcg:ffff888022fd1601 [ 107.573321][ T144] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 107.581307][ T144] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88814c722780 [ 107.589876][ T144] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff888022fd1601 [ 107.598457][ T144] page dumped because: kasan: bad access detected [ 107.604935][ T144] page_owner tracks the page as allocated [ 107.610663][ 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 5164, ts 103478619775, free_ts 103464492659 [ 107.631840][ T144] get_page_from_freelist+0x1b77/0x1c60 [ 107.637463][ T144] __alloc_pages+0x1e1/0x470 [ 107.642051][ T144] new_slab+0xc0/0x4b0 [ 107.646114][ T144] ___slab_alloc+0x81e/0xdf0 [ 107.650688][ T144] kmem_cache_alloc+0x195/0x290 [ 107.655805][ T144] sk_prot_alloc+0x57/0x210 [ 107.660288][ T144] sk_alloc+0x2f/0x310 [ 107.664418][ T144] kcm_create+0xfc/0x570 [ 107.668641][ T144] __sock_create+0x47b/0x900 [ 107.673296][ T144] __sys_socket+0xe2/0x170 [ 107.677703][ T144] __x64_sys_socket+0x76/0x80 [ 107.682371][ T144] do_syscall_64+0x4c/0xa0 [ 107.686764][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.692658][ T144] page last free stack trace: [ 107.697301][ T144] free_unref_page_prepare+0x637/0x6c0 [ 107.702738][ T144] free_unref_page+0x94/0x280 [ 107.707416][ T144] __unfreeze_partials+0x1a5/0x200 [ 107.712528][ T144] put_cpu_partial+0x12d/0x190 [ 107.717286][ T144] qlist_free_all+0x35/0x90 [ 107.721993][ T144] kasan_quarantine_reduce+0x150/0x160 [ 107.727465][ T144] __kasan_slab_alloc+0x2f/0xd0 [ 107.732415][ T144] slab_post_alloc_hook+0x4c/0x380 [ 107.737532][ T144] kmem_cache_alloc+0x100/0x290 [ 107.742386][ T144] getname_flags+0xb5/0x500 [ 107.746893][ T144] user_path_at_empty+0x2a/0x190 [ 107.751834][ T144] __x64_sys_umount+0xf1/0x160 [ 107.756680][ T144] do_syscall_64+0x4c/0xa0 [ 107.761244][ T144] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.767148][ T144] [ 107.769468][ T144] Memory state around the buggy address: [ 107.775100][ T144] ffff88805cd3ab00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 107.783162][ T144] ffff88805cd3ab80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.791230][ T144] >ffff88805cd3ac00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.799277][ T144] ^ [ 107.804378][ T144] ffff88805cd3ac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.812690][ T144] ffff88805cd3ad00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.820737][ T144] ================================================================== [ 107.828796][ T144] Disabling lock debugging due to kernel taint [ 107.834946][ T144] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 107.842243][ T144] CPU: 1 PID: 144 Comm: kworker/u4:1 Tainted: G B 5.15.189-syzkaller #0 [ 107.851869][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 107.862014][ T144] Workqueue: kkcmd kcm_tx_work [ 107.866781][ T144] Call Trace: [ 107.870061][ T144] [ 107.872992][ T144] dump_stack_lvl+0x168/0x230 [ 107.877674][ T144] ? show_regs_print_info+0x20/0x20 [ 107.882962][ T144] ? load_image+0x3b0/0x3b0 [ 107.887467][ T144] panic+0x2c9/0x7f0 [ 107.891380][ T144] ? bpf_jit_dump+0xd0/0xd0 [ 107.896432][ T144] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 107.902452][ T144] ? _raw_spin_unlock+0x40/0x40 [ 107.907329][ T144] ? __lock_acquire+0xf7/0x7c60 [ 107.912312][ T144] check_panic_on_warn+0x80/0xa0 [ 107.917270][ T144] ? __lock_acquire+0xf7/0x7c60 [ 107.922126][ T144] end_report+0x6d/0xf0 [ 107.926367][ T144] kasan_report+0x102/0x130 [ 107.930864][ T144] ? __lock_acquire+0xf7/0x7c60 [ 107.935802][ T144] __lock_acquire+0xf7/0x7c60 [ 107.940477][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.946454][ T144] ? lock_chain_count+0x20/0x20 [ 107.951387][ T144] ? finish_lock_switch+0x12f/0x280 [ 107.956587][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 107.961779][ T144] ? finish_lock_switch+0x12f/0x280 [ 107.966970][ T144] ? verify_lock_unused+0x140/0x140 [ 107.972166][ T144] ? finish_task_switch+0x12f/0x640 [ 107.977627][ T144] ? __switch_to_asm+0x34/0x60 [ 107.982473][ T144] ? __schedule+0x11c0/0x43b0 [ 107.987142][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.993116][ T144] lock_acquire+0x197/0x3f0 [ 107.997615][ T144] ? __lock_sock+0x152/0x2a0 [ 108.002286][ T144] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 108.008270][ T144] ? __local_bh_disable_ip+0xfb/0x190 [ 108.013637][ T144] ? read_lock_is_recursive+0x10/0x10 [ 108.019034][ T144] ? __local_bh_enable_ip+0x12a/0x1b0 [ 108.024401][ T144] ? kthread_data+0x4b/0xc0 [ 108.028902][ T144] ? kthread_data+0x4b/0xc0 [ 108.033485][ T144] ? __lock_sock+0x152/0x2a0 [ 108.038065][ T144] _raw_spin_lock_bh+0x32/0x50 [ 108.042888][ T144] ? __lock_sock+0x152/0x2a0 [ 108.047474][ T144] __lock_sock+0x152/0x2a0 [ 108.051885][ T144] ? sk_page_frag_refill+0x200/0x200 [ 108.057271][ T144] ? do_raw_spin_lock+0x11d/0x280 [ 108.062289][ T144] ? init_wait_entry+0xd0/0xd0 [ 108.067059][ T144] ? __rwlock_init+0x140/0x140 [ 108.071823][ T144] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 108.077810][ T144] ? lock_sock_nested+0x68/0x100 [ 108.082744][ T144] lock_sock_nested+0x9d/0x100 [ 108.087516][ T144] kcm_tx_work+0x2d/0x180 [ 108.091884][ T144] process_one_work+0x863/0x1000 [ 108.096818][ T144] ? worker_detach_from_pool+0x240/0x240 [ 108.102450][ T144] ? lockdep_hardirqs_off+0x70/0x100 [ 108.107831][ T144] ? _raw_spin_lock_irq+0xab/0xe0 [ 108.113064][ T144] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 108.118566][ T144] ? wq_worker_running+0x97/0x170 [ 108.123598][ T144] worker_thread+0xaa8/0x12a0 [ 108.128295][ T144] kthread+0x436/0x520 [ 108.132356][ T144] ? rcu_lock_release+0x20/0x20 [ 108.137201][ T144] ? kthread_blkcg+0xd0/0xd0 [ 108.141790][ T144] ret_from_fork+0x1f/0x30 [ 108.146207][ T144] [ 108.149317][ T144] Kernel Offset: disabled [ 108.153643][ T144] Rebooting in 86400 seconds..