Warning: Permanently added '10.128.0.197' (ED25519) to the list of known hosts. 2025/12/29 02:21:36 parsed 1 programs [ 95.155490][ T4616] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 96.759655][ T151] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.767988][ T151] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.783942][ T1164] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 96.796373][ T1164] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.805117][ T1164] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.815555][ T1164] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 97.391317][ T4652] chnl_net:caif_netlink_parms(): no params data found [ 97.447558][ T4652] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.454873][ T4652] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.463042][ T4652] device bridge_slave_0 entered promiscuous mode [ 97.471708][ T4652] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.479286][ T4652] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.487698][ T4652] device bridge_slave_1 entered promiscuous mode [ 97.513420][ T4652] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.525797][ T4652] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.554216][ T4652] team0: Port device team_slave_0 added [ 97.562334][ T4652] team0: Port device team_slave_1 added [ 97.585616][ T4652] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.592752][ T4652] 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. [ 97.619705][ T4652] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.632257][ T4652] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.639265][ T4652] 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. [ 97.665557][ T4652] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.701671][ T4652] device hsr_slave_0 entered promiscuous mode [ 97.708702][ T4652] device hsr_slave_1 entered promiscuous mode [ 98.339528][ T4652] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.388617][ T4652] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.398157][ T4652] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.416428][ T4652] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.505053][ T4652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.520113][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 98.528947][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.540442][ T4652] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.551357][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 98.560290][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.570694][ T151] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.577971][ T151] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.594427][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 98.602651][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 98.613549][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.622991][ T151] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.630251][ T151] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.638586][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 98.668048][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 98.677004][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 98.689212][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.699240][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.739821][ T4652] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 98.752633][ T4652] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 98.766041][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 98.776715][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.786809][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 98.795824][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.808168][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.817071][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.852188][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.952666][ T1164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.960493][ T1164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.983304][ T4652] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.005879][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 99.017467][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 99.049582][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.059126][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.071084][ T4652] device veth0_vlan entered promiscuous mode [ 99.095383][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.103283][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.117508][ T4652] device veth1_vlan entered promiscuous mode [ 99.151264][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.162216][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.171206][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.181361][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.192118][ T4652] device veth0_macvtap entered promiscuous mode [ 99.215487][ T4652] device veth1_macvtap entered promiscuous mode [ 99.233526][ T4652] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.242076][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.251269][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 99.262004][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 99.272140][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 99.287545][ T4652] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.300158][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 99.309786][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 99.334175][ T4652] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.342920][ T4652] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.354465][ T4652] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.363376][ T4652] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/12/29 02:21:44 executed programs: 0 [ 101.422788][ T4809] chnl_net:caif_netlink_parms(): no params data found [ 101.450244][ T4203] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.516534][ T4809] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.524864][ T4809] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.532997][ T4809] device bridge_slave_0 entered promiscuous mode [ 101.544334][ T4809] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.551602][ T4809] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.562212][ T4809] device bridge_slave_1 entered promiscuous mode [ 101.590428][ T4809] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.602158][ T4809] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.631278][ T4809] team0: Port device team_slave_0 added [ 101.639768][ T4809] team0: Port device team_slave_1 added [ 101.663151][ T4809] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.670472][ T4809] 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. [ 101.696677][ T4809] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.709150][ T4809] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.716418][ T4809] 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. [ 101.742795][ T4809] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.778813][ T4809] device hsr_slave_0 entered promiscuous mode [ 101.785881][ T4809] device hsr_slave_1 entered promiscuous mode [ 101.793565][ T4809] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 101.801801][ T4809] Cannot create hsr debugfs directory [ 103.244084][ T4264] Bluetooth: hci0: command 0x0409 tx timeout [ 104.004319][ T4203] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.054590][ T4203] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.112132][ T4203] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.925393][ T4809] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.937135][ T4809] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.961641][ T4809] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.970624][ T4809] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.031065][ T4809] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.057860][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 105.066545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.076697][ T4809] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.093278][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.103020][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.112391][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.119516][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.127401][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.148651][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.158151][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.167908][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.175005][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.205582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.216437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.229050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.238700][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.248100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.276576][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.285647][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.297471][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.306585][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.318679][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.327415][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.333862][ T5046] Bluetooth: hci0: command 0x041b tx timeout [ 105.355844][ T4809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.445252][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.452748][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.466604][ T4809] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.479974][ T4203] device hsr_slave_0 left promiscuous mode [ 105.487498][ T4203] device hsr_slave_1 left promiscuous mode [ 105.494764][ T4203] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 105.502179][ T4203] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 105.510476][ T4203] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 105.520273][ T4203] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 105.528123][ T4203] device bridge_slave_1 left promiscuous mode [ 105.534853][ T4203] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.543648][ T4203] device bridge_slave_0 left promiscuous mode [ 105.550629][ T4203] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.561634][ T4203] device veth1_macvtap left promiscuous mode [ 105.567891][ T4203] device veth0_macvtap left promiscuous mode [ 105.574220][ T4203] device veth1_vlan left promiscuous mode [ 105.580009][ T4203] device veth0_vlan left promiscuous mode [ 105.715210][ T4203] team0 (unregistering): Port device team_slave_1 removed [ 105.731792][ T4203] team0 (unregistering): Port device team_slave_0 removed [ 105.742729][ T4203] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 105.756394][ T4203] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 105.806080][ T4203] bond0 (unregistering): Released all slaves [ 105.872342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 105.881780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.903541][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 105.912631][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.921723][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.930056][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.942553][ T4809] device veth0_vlan entered promiscuous mode [ 105.955227][ T4809] device veth1_vlan entered promiscuous mode [ 105.981298][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.989758][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 105.998919][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 106.007807][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 106.019444][ T4809] device veth0_macvtap entered promiscuous mode [ 106.029575][ T4809] device veth1_macvtap entered promiscuous mode [ 106.046688][ T4809] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.056197][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 106.065056][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 106.073297][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 106.082847][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 106.096601][ T4809] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.105846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 106.114803][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 106.125190][ T4809] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.134490][ T4809] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.143181][ T4809] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.152289][ T4809] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.234133][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.242290][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.256363][ T1164] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 106.268690][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2025/12/29 02:21:50 executed programs: 2 [ 106.284319][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.297924][ T1164] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 107.259725][ T4203] ================================================================== [ 107.267825][ T4203] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c60 [ 107.275032][ T4203] Read of size 8 at addr ffff88807cf20fa0 by task kworker/u4:4/4203 [ 107.283438][ T4203] [ 107.285766][ T4203] CPU: 0 PID: 4203 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 107.293476][ T4203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 107.303523][ T4203] Workqueue: kkcmd kcm_tx_work [ 107.308600][ T4203] Call Trace: [ 107.311867][ T4203] [ 107.314785][ T4203] dump_stack_lvl+0x168/0x230 [ 107.319453][ T4203] ? show_regs_print_info+0x20/0x20 [ 107.324648][ T4203] ? load_image+0x3b0/0x3b0 [ 107.329176][ T4203] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 107.334553][ T4203] print_address_description+0x60/0x2d0 [ 107.340107][ T4203] ? __lock_acquire+0xf7/0x7c60 [ 107.345015][ T4203] kasan_report+0xdf/0x130 [ 107.349548][ T4203] ? __lock_acquire+0xf7/0x7c60 [ 107.354395][ T4203] __lock_acquire+0xf7/0x7c60 [ 107.359067][ T4203] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.365032][ T4203] ? lock_chain_count+0x20/0x20 [ 107.369876][ T4203] ? finish_lock_switch+0x12f/0x280 [ 107.375068][ T4203] ? lockdep_hardirqs_on+0x94/0x140 [ 107.380265][ T4203] ? finish_lock_switch+0x12f/0x280 [ 107.385450][ T4203] ? verify_lock_unused+0x140/0x140 [ 107.390728][ T4203] ? finish_task_switch+0x12f/0x640 [ 107.396008][ T4203] ? __switch_to_asm+0x34/0x60 [ 107.400760][ T4203] ? __schedule+0x11c3/0x4390 [ 107.405437][ T4203] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.411595][ T4203] lock_acquire+0x197/0x3f0 [ 107.416112][ T4203] ? __lock_sock+0x152/0x2a0 [ 107.420693][ T4203] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 107.426657][ T4203] ? __local_bh_disable_ip+0xfb/0x190 [ 107.432046][ T4203] ? read_lock_is_recursive+0x10/0x10 [ 107.437420][ T4203] ? __local_bh_enable_ip+0x12a/0x1b0 [ 107.442814][ T4203] ? kthread_data+0x4b/0xc0 [ 107.447334][ T4203] ? kthread_data+0x4b/0xc0 [ 107.451860][ T4203] ? __lock_sock+0x152/0x2a0 [ 107.456442][ T4203] _raw_spin_lock_bh+0x32/0x50 [ 107.461202][ T4203] ? __lock_sock+0x152/0x2a0 [ 107.465806][ T4203] __lock_sock+0x152/0x2a0 [ 107.470215][ T4203] ? sk_page_frag_refill+0x200/0x200 [ 107.475487][ T4203] ? do_raw_spin_lock+0x11d/0x280 [ 107.480500][ T4203] ? init_wait_entry+0xd0/0xd0 [ 107.485251][ T4203] ? __rwlock_init+0x140/0x140 [ 107.490614][ T4203] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.496675][ T4203] ? lock_sock_nested+0x68/0x100 [ 107.501610][ T4203] lock_sock_nested+0x9d/0x100 [ 107.506374][ T4203] kcm_tx_work+0x2d/0x180 [ 107.510702][ T4203] process_one_work+0x863/0x1000 [ 107.515636][ T4203] ? worker_detach_from_pool+0x240/0x240 [ 107.521259][ T4203] ? lockdep_hardirqs_off+0x70/0x100 [ 107.526532][ T4203] ? _raw_spin_lock_irq+0xab/0xe0 [ 107.531541][ T4203] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 107.536909][ T4203] ? wq_worker_running+0x97/0x170 [ 107.541929][ T4203] worker_thread+0xaa8/0x12a0 [ 107.546622][ T4203] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 107.552538][ T4203] ? lockdep_hardirqs_on+0x94/0x140 [ 107.557744][ T4203] ? lockdep_hardirqs_on+0x94/0x140 [ 107.562964][ T4203] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 107.568850][ T4203] kthread+0x436/0x520 [ 107.572999][ T4203] ? rcu_lock_release+0x20/0x20 [ 107.577834][ T4203] ? kthread_blkcg+0xd0/0xd0 [ 107.582415][ T4203] ret_from_fork+0x1f/0x30 [ 107.586996][ T4203] [ 107.590001][ T4203] [ 107.592308][ T4203] Allocated by task 5092: [ 107.596872][ T4203] __kasan_slab_alloc+0x9c/0xd0 [ 107.601712][ T4203] slab_post_alloc_hook+0x4c/0x380 [ 107.606821][ T4203] kmem_cache_alloc+0x100/0x290 [ 107.611662][ T4203] sk_prot_alloc+0x57/0x210 [ 107.616158][ T4203] sk_alloc+0x2f/0x310 [ 107.620210][ T4203] kcm_ioctl+0x211/0xff0 [ 107.624439][ T4203] sock_do_ioctl+0xd3/0x2f0 [ 107.628937][ T4203] sock_ioctl+0x4ed/0x6e0 [ 107.633251][ T4203] __se_sys_ioctl+0xfa/0x170 [ 107.637822][ T4203] do_syscall_64+0x4c/0xa0 [ 107.642218][ T4203] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.648097][ T4203] [ 107.650408][ T4203] Freed by task 5093: [ 107.654365][ T4203] kasan_set_track+0x4b/0x70 [ 107.658945][ T4203] kasan_set_free_info+0x1f/0x40 [ 107.663875][ T4203] ____kasan_slab_free+0xd5/0x110 [ 107.668883][ T4203] slab_free_freelist_hook+0xea/0x170 [ 107.674238][ T4203] kmem_cache_free+0x8f/0x210 [ 107.678924][ T4203] __sk_destruct+0x569/0x840 [ 107.683505][ T4203] kcm_release+0x51a/0x5b0 [ 107.688285][ T4203] sock_close+0xd5/0x240 [ 107.692566][ T4203] __fput+0x234/0x930 [ 107.696535][ T4203] task_work_run+0x125/0x1a0 [ 107.701112][ T4203] exit_to_user_mode_loop+0x10f/0x130 [ 107.706571][ T4203] exit_to_user_mode_prepare+0xee/0x180 [ 107.712118][ T4203] syscall_exit_to_user_mode+0x16/0x40 [ 107.717696][ T4203] do_syscall_64+0x58/0xa0 [ 107.722123][ T4203] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.728008][ T4203] [ 107.730316][ T4203] Last potentially related work creation: [ 107.736009][ T4203] kasan_save_stack+0x35/0x60 [ 107.740678][ T4203] kasan_record_aux_stack+0xb8/0x100 [ 107.745951][ T4203] insert_work+0x54/0x3d0 [ 107.750269][ T4203] __queue_work+0x9c5/0xd50 [ 107.754941][ T4203] queue_work_on+0x11d/0x1d0 [ 107.759605][ T4203] kcm_unattach+0x85e/0xe80 [ 107.764105][ T4203] kcm_ioctl+0x78d/0xff0 [ 107.768388][ T4203] sock_do_ioctl+0xd3/0x2f0 [ 107.772876][ T4203] sock_ioctl+0x4ed/0x6e0 [ 107.777298][ T4203] __se_sys_ioctl+0xfa/0x170 [ 107.781906][ T4203] do_syscall_64+0x4c/0xa0 [ 107.786315][ T4203] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.792771][ T4203] [ 107.795378][ T4203] Second to last potentially related work creation: [ 107.802052][ T4203] kasan_save_stack+0x35/0x60 [ 107.806829][ T4203] kasan_record_aux_stack+0xb8/0x100 [ 107.812142][ T4203] insert_work+0x54/0x3d0 [ 107.816803][ T4203] __queue_work+0x9c5/0xd50 [ 107.821300][ T4203] queue_work_on+0x11d/0x1d0 [ 107.825879][ T4203] kcm_ioctl+0xe4b/0xff0 [ 107.830146][ T4203] sock_do_ioctl+0xd3/0x2f0 [ 107.834652][ T4203] sock_ioctl+0x4ed/0x6e0 [ 107.838981][ T4203] __se_sys_ioctl+0xfa/0x170 [ 107.843748][ T4203] do_syscall_64+0x4c/0xa0 [ 107.848257][ T4203] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 107.854145][ T4203] [ 107.856453][ T4203] The buggy address belongs to the object at ffff88807cf20f00 [ 107.856453][ T4203] which belongs to the cache KCM of size 1736 [ 107.869991][ T4203] The buggy address is located 160 bytes inside of [ 107.869991][ T4203] 1736-byte region [ffff88807cf20f00, ffff88807cf215c8) [ 107.883693][ T4203] The buggy address belongs to the page: [ 107.889457][ T4203] page:ffffea0001f3c800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7cf20 [ 107.899684][ T4203] head:ffffea0001f3c800 order:3 compound_mapcount:0 compound_pincount:0 [ 107.907996][ T4203] memcg:ffff8880247cf701 [ 107.912226][ T4203] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 107.920217][ T4203] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88802a271b40 [ 107.928795][ T4203] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff8880247cf701 [ 107.937359][ T4203] page dumped because: kasan: bad access detected [ 107.943763][ T4203] page_owner tracks the page as allocated [ 107.949496][ T4203] 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 5087, ts 106356226044, free_ts 106346420903 [ 107.970344][ T4203] get_page_from_freelist+0x1b77/0x1c60 [ 107.976338][ T4203] __alloc_pages+0x1e1/0x470 [ 107.980917][ T4203] new_slab+0xc0/0x4b0 [ 107.984972][ T4203] ___slab_alloc+0x81e/0xdf0 [ 107.989633][ T4203] kmem_cache_alloc+0x195/0x290 [ 107.994477][ T4203] sk_prot_alloc+0x57/0x210 [ 107.998968][ T4203] sk_alloc+0x2f/0x310 [ 108.003058][ T4203] kcm_create+0xfc/0x570 [ 108.007298][ T4203] __sock_create+0x47b/0x900 [ 108.011888][ T4203] __sys_socket+0xe2/0x170 [ 108.016304][ T4203] __x64_sys_socket+0x76/0x80 [ 108.020968][ T4203] do_syscall_64+0x4c/0xa0 [ 108.025386][ T4203] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 108.031266][ T4203] page last free stack trace: [ 108.035917][ T4203] free_unref_page_prepare+0x637/0x6c0 [ 108.041364][ T4203] free_unref_page+0x94/0x280 [ 108.046072][ T4203] __unfreeze_partials+0x1a5/0x200 [ 108.051178][ T4203] put_cpu_partial+0x12d/0x190 [ 108.055923][ T4203] qlist_free_all+0x35/0x90 [ 108.060406][ T4203] kasan_quarantine_reduce+0x150/0x160 [ 108.065844][ T4203] __kasan_slab_alloc+0x2f/0xd0 [ 108.070764][ T4203] slab_post_alloc_hook+0x4c/0x380 [ 108.075964][ T4203] __kmalloc+0x127/0x330 [ 108.080207][ T4203] tomoyo_realpath_from_path+0x118/0x610 [ 108.085822][ T4203] tomoyo_path_perm+0x1cd/0x510 [ 108.090658][ T4203] security_inode_getattr+0xcf/0x120 [ 108.095922][ T4203] vfs_getattr+0x26/0x3a0 [ 108.100241][ T4203] vfs_statx+0x149/0x4d0 [ 108.104468][ T4203] __x64_sys_newfstatat+0x12c/0x1b0 [ 108.109677][ T4203] do_syscall_64+0x4c/0xa0 [ 108.114075][ T4203] [ 108.116375][ T4203] Memory state around the buggy address: [ 108.121978][ T4203] ffff88807cf20e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 108.130013][ T4203] ffff88807cf20f00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.138134][ T4203] >ffff88807cf20f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.146173][ T4203] ^ [ 108.151257][ T4203] ffff88807cf21000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.159294][ T4203] ffff88807cf21080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.167330][ T4203] ================================================================== [ 108.175363][ T4203] Disabling lock debugging due to kernel taint [ 108.181501][ T4203] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 108.188683][ T4203] CPU: 0 PID: 4203 Comm: kworker/u4:4 Tainted: G B syzkaller #0 [ 108.197959][ T4203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 108.208012][ T4203] Workqueue: kkcmd kcm_tx_work [ 108.212824][ T4203] Call Trace: [ 108.216088][ T4203] [ 108.219006][ T4203] dump_stack_lvl+0x168/0x230 [ 108.223672][ T4203] ? show_regs_print_info+0x20/0x20 [ 108.229030][ T4203] ? load_image+0x3b0/0x3b0 [ 108.233519][ T4203] panic+0x2c9/0x7f0 [ 108.237404][ T4203] ? bpf_jit_dump+0xd0/0xd0 [ 108.241983][ T4203] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 108.247865][ T4203] ? _raw_spin_unlock+0x40/0x40 [ 108.252698][ T4203] ? __lock_acquire+0xf7/0x7c60 [ 108.257535][ T4203] check_panic_on_warn+0x80/0xa0 [ 108.262497][ T4203] ? __lock_acquire+0xf7/0x7c60 [ 108.267328][ T4203] end_report+0x6d/0xf0 [ 108.271465][ T4203] kasan_report+0x102/0x130 [ 108.275950][ T4203] ? __lock_acquire+0xf7/0x7c60 [ 108.280784][ T4203] __lock_acquire+0xf7/0x7c60 [ 108.285529][ T4203] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 108.291853][ T4203] ? lock_chain_count+0x20/0x20 [ 108.296728][ T4203] ? finish_lock_switch+0x12f/0x280 [ 108.301997][ T4203] ? lockdep_hardirqs_on+0x94/0x140 [ 108.307177][ T4203] ? finish_lock_switch+0x12f/0x280 [ 108.312355][ T4203] ? verify_lock_unused+0x140/0x140 [ 108.317539][ T4203] ? finish_task_switch+0x12f/0x640 [ 108.322722][ T4203] ? __switch_to_asm+0x34/0x60 [ 108.327471][ T4203] ? __schedule+0x11c3/0x4390 [ 108.332133][ T4203] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 108.338095][ T4203] lock_acquire+0x197/0x3f0 [ 108.342585][ T4203] ? __lock_sock+0x152/0x2a0 [ 108.347243][ T4203] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 108.353206][ T4203] ? __local_bh_disable_ip+0xfb/0x190 [ 108.358645][ T4203] ? read_lock_is_recursive+0x10/0x10 [ 108.364008][ T4203] ? __local_bh_enable_ip+0x12a/0x1b0 [ 108.369402][ T4203] ? kthread_data+0x4b/0xc0 [ 108.374034][ T4203] ? kthread_data+0x4b/0xc0 [ 108.378548][ T4203] ? __lock_sock+0x152/0x2a0 [ 108.383123][ T4203] _raw_spin_lock_bh+0x32/0x50 [ 108.387875][ T4203] ? __lock_sock+0x152/0x2a0 [ 108.392448][ T4203] __lock_sock+0x152/0x2a0 [ 108.396846][ T4203] ? sk_page_frag_refill+0x200/0x200 [ 108.402114][ T4203] ? do_raw_spin_lock+0x11d/0x280 [ 108.407542][ T4203] ? init_wait_entry+0xd0/0xd0 [ 108.412307][ T4203] ? __rwlock_init+0x140/0x140 [ 108.417155][ T4203] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 108.423145][ T4203] ? lock_sock_nested+0x68/0x100 [ 108.428086][ T4203] lock_sock_nested+0x9d/0x100 [ 108.432871][ T4203] kcm_tx_work+0x2d/0x180 [ 108.437211][ T4203] process_one_work+0x863/0x1000 [ 108.442151][ T4203] ? worker_detach_from_pool+0x240/0x240 [ 108.447895][ T4203] ? lockdep_hardirqs_off+0x70/0x100 [ 108.453546][ T4203] ? _raw_spin_lock_irq+0xab/0xe0 [ 108.458654][ T4203] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 108.464099][ T4203] ? wq_worker_running+0x97/0x170 [ 108.469106][ T4203] worker_thread+0xaa8/0x12a0 [ 108.473860][ T4203] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 108.479817][ T4203] ? lockdep_hardirqs_on+0x94/0x140 [ 108.484996][ T4203] ? lockdep_hardirqs_on+0x94/0x140 [ 108.490175][ T4203] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 108.496064][ T4203] kthread+0x436/0x520 [ 108.500158][ T4203] ? rcu_lock_release+0x20/0x20 [ 108.505139][ T4203] ? kthread_blkcg+0xd0/0xd0 [ 108.509737][ T4203] ret_from_fork+0x1f/0x30 [ 108.514148][ T4203] [ 108.517495][ T4203] Kernel Offset: disabled [ 108.521826][ T4203] Rebooting in 86400 seconds..