Warning: Permanently added '10.128.0.66' (ED25519) to the list of known hosts. 2026/02/25 21:56:10 parsed 1 programs [ 71.471777][ T4187] cgroup: Unknown subsys name 'net' [ 71.630831][ T4187] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 73.238728][ T4187] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 76.185580][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.193576][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.224354][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.242038][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.250861][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.259609][ T4232] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.865663][ T4249] chnl_net:caif_netlink_parms(): no params data found [ 76.930279][ T4249] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.938504][ T4249] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.947659][ T4249] device bridge_slave_0 entered promiscuous mode [ 76.956964][ T4249] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.964077][ T4249] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.972046][ T4249] device bridge_slave_1 entered promiscuous mode [ 76.995487][ T4249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.009531][ T4249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.056632][ T4249] team0: Port device team_slave_0 added [ 77.064558][ T4249] team0: Port device team_slave_1 added [ 77.095064][ T4249] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.102171][ T4249] 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. [ 77.128750][ T4249] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.144829][ T4249] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.152126][ T4249] 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. [ 77.179880][ T4249] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.265662][ T4249] device hsr_slave_0 entered promiscuous mode [ 77.273077][ T4249] device hsr_slave_1 entered promiscuous mode [ 77.389266][ T4249] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.399984][ T4249] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.409971][ T4249] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.419374][ T4249] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.519583][ T4249] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.533816][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.543114][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.556044][ T4249] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.567533][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.578307][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.588133][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.595460][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.635441][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.643562][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.652369][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.661326][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.669535][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.678232][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.688397][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.697443][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.706610][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.721308][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.729519][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.739054][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.748414][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.781895][ T4232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.793465][ T4249] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.897681][ T4232] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.907056][ T4232] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.943631][ T4249] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.961571][ T4232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.986498][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.997208][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.006506][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.036074][ T4249] device veth0_vlan entered promiscuous mode [ 78.048188][ T4249] device veth1_vlan entered promiscuous mode [ 78.067472][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.077170][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.086157][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.098137][ T4249] device veth0_macvtap entered promiscuous mode [ 78.124997][ T4249] device veth1_macvtap entered promiscuous mode [ 78.143195][ T4249] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.150987][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.160759][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.169571][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.181397][ T4249] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.191241][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.200473][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.215911][ T4249] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.224921][ T4249] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.233805][ T4249] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.242762][ T4249] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/25 21:56:21 executed programs: 0 [ 79.590706][ T4294] chnl_net:caif_netlink_parms(): no params data found [ 79.662067][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.669518][ T4294] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.680550][ T4294] device bridge_slave_0 entered promiscuous mode [ 79.690225][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.700057][ T4294] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.709735][ T4294] device bridge_slave_1 entered promiscuous mode [ 79.748459][ T4294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.760808][ T4294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.789807][ T4294] team0: Port device team_slave_0 added [ 79.799123][ T4294] team0: Port device team_slave_1 added [ 79.830575][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.840856][ T4294] 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. [ 79.869989][ T4294] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.883269][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.893391][ T4294] 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. [ 79.922997][ T4294] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.961506][ T4294] device hsr_slave_0 entered promiscuous mode [ 79.968744][ T4294] device hsr_slave_1 entered promiscuous mode [ 79.976160][ T4294] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.984497][ T4294] Cannot create hsr debugfs directory [ 80.092564][ T4294] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.485610][ T4240] Bluetooth: hci0: command 0x0409 tx timeout [ 83.512236][ T4294] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.564440][ T4189] Bluetooth: hci0: command 0x041b tx timeout [ 83.576836][ T4294] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.645553][ T4294] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.748262][ T4294] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.760717][ T4294] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.769970][ T4294] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.793017][ T4294] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.854785][ T4294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.878581][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.889133][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.899900][ T4294] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.910938][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.922217][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.932156][ T658] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.939320][ T658] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.949348][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.974890][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.984689][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.993210][ T658] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.000479][ T658] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.011154][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 84.042491][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.056157][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 84.066281][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.076032][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.101663][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 84.111950][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.129103][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 84.138526][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.147551][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.156440][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.179459][ T4294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.231225][ T9] device hsr_slave_0 left promiscuous mode [ 84.238396][ T9] device hsr_slave_1 left promiscuous mode [ 84.248646][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 84.256550][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 84.266322][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 84.273753][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 84.281848][ T9] device bridge_slave_1 left promiscuous mode [ 84.289294][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.303414][ T9] device bridge_slave_0 left promiscuous mode [ 84.311033][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.330196][ T9] device veth1_macvtap left promiscuous mode [ 84.337055][ T9] device veth0_macvtap left promiscuous mode [ 84.343206][ T9] device veth1_vlan left promiscuous mode [ 84.349516][ T9] device veth0_vlan left promiscuous mode [ 84.529189][ T9] team0 (unregistering): Port device team_slave_1 removed [ 84.545355][ T9] team0 (unregistering): Port device team_slave_0 removed [ 84.560847][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 84.577478][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 84.638962][ T9] bond0 (unregistering): Released all slaves [ 84.753483][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.761098][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.777774][ T4294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.799511][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 84.808484][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.828221][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 84.837267][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.848691][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.857295][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.868306][ T4294] device veth0_vlan entered promiscuous mode [ 84.897039][ T4294] device veth1_vlan entered promiscuous mode [ 84.916922][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.925751][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.937432][ T4294] device veth0_macvtap entered promiscuous mode [ 84.948678][ T4294] device veth1_macvtap entered promiscuous mode [ 84.972171][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.980423][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.989364][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.997956][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 85.007127][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 85.019572][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.031342][ T4294] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.040525][ T4294] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.049708][ T4294] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.058579][ T4294] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.069518][ T670] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 85.078760][ T670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 85.151339][ T670] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.162020][ T670] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.176186][ T658] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/02/25 21:56:27 executed programs: 2 [ 85.200408][ T658] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.209965][ T658] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.221038][ T670] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.291898][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 85.348103][ T4309] ================================================================== [ 85.356437][ T4309] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 85.363698][ T4309] Read of size 4 at addr ffff88802ae7f738 by task syz.0.19/4309 [ 85.371439][ T4309] [ 85.373817][ T4309] CPU: 1 PID: 4309 Comm: syz.0.19 Not tainted syzkaller #0 [ 85.381135][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 85.391227][ T4309] Call Trace: [ 85.394529][ T4309] [ 85.397492][ T4309] dump_stack_lvl+0x188/0x250 [ 85.402237][ T4309] ? show_regs_print_info+0x20/0x20 [ 85.407651][ T4309] ? _printk+0xda/0x130 [ 85.411832][ T4309] ? ax25_fillin_cb+0x459/0x640 [ 85.416807][ T4309] ? load_image+0x400/0x400 [ 85.421353][ T4309] print_address_description+0x60/0x2d0 [ 85.426935][ T4309] ? ax25_fillin_cb+0x459/0x640 [ 85.431815][ T4309] kasan_report+0xdf/0x130 [ 85.436262][ T4309] ? ax25_fillin_cb+0x459/0x640 [ 85.441142][ T4309] ax25_fillin_cb+0x459/0x640 [ 85.445852][ T4309] ax25_setsockopt+0x8c9/0xa60 [ 85.450676][ T4309] ? ax25_shutdown+0x10/0x10 [ 85.455295][ T4309] ? aa_sock_opt_perm+0x74/0x100 [ 85.460267][ T4309] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 85.466011][ T4309] ? security_socket_setsockopt+0x7a/0xa0 [ 85.471780][ T4309] ? ax25_shutdown+0x10/0x10 [ 85.476493][ T4309] __sys_setsockopt+0x2bf/0x3d0 [ 85.481385][ T4309] __x64_sys_setsockopt+0xb1/0xc0 [ 85.486454][ T4309] do_syscall_64+0x4c/0xa0 [ 85.490894][ T4309] ? clear_bhb_loop+0x30/0x80 [ 85.495602][ T4309] ? clear_bhb_loop+0x30/0x80 [ 85.500305][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.506235][ T4309] RIP: 0033:0x7f6a64f71629 [ 85.510690][ T4309] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 85.530461][ T4309] RSP: 002b:00007ffd26aba538 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 85.539091][ T4309] RAX: ffffffffffffffda RBX: 00007f6a651eafa0 RCX: 00007f6a64f71629 [ 85.547100][ T4309] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 85.555195][ T4309] RBP: 00007f6a65007b39 R08: 0000000000000010 R09: 0000000000000000 [ 85.563300][ T4309] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 85.571602][ T4309] R13: 00007f6a651eafac R14: 00007f6a651eafa0 R15: 00007f6a651eafa0 [ 85.579975][ T4309] [ 85.583026][ T4309] [ 85.585368][ T4309] Allocated by task 4307: [ 85.589914][ T4309] __kasan_kmalloc+0xb5/0xf0 [ 85.594548][ T4309] ax25_dev_device_up+0x50/0x580 [ 85.599618][ T4309] ax25_device_event+0x483/0x4f0 [ 85.604589][ T4309] raw_notifier_call_chain+0xcb/0x160 [ 85.610005][ T4309] __dev_notify_flags+0x194/0x300 [ 85.615075][ T4309] dev_change_flags+0xe3/0x1a0 [ 85.619859][ T4309] dev_ifsioc+0x130/0xd50 [ 85.624216][ T4309] dev_ioctl+0x545/0xe30 [ 85.628484][ T4309] sock_do_ioctl+0x245/0x320 [ 85.633096][ T4309] sock_ioctl+0x4d2/0x710 [ 85.637446][ T4309] __se_sys_ioctl+0xfa/0x170 [ 85.642151][ T4309] do_syscall_64+0x4c/0xa0 [ 85.646587][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.652498][ T4309] [ 85.654838][ T4309] Freed by task 4308: [ 85.658839][ T4309] kasan_set_track+0x4b/0x70 [ 85.663476][ T4309] kasan_set_free_info+0x1f/0x40 [ 85.668444][ T4309] ____kasan_slab_free+0xd5/0x110 [ 85.673609][ T4309] slab_free_freelist_hook+0xea/0x170 [ 85.679012][ T4309] kfree+0xef/0x2a0 [ 85.682838][ T4309] ax25_release+0x661/0x870 [ 85.687359][ T4309] sock_close+0xd5/0x240 [ 85.691625][ T4309] __fput+0x234/0x930 [ 85.695714][ T4309] task_work_run+0x125/0x1a0 [ 85.700328][ T4309] exit_to_user_mode_loop+0x10f/0x130 [ 85.705825][ T4309] exit_to_user_mode_prepare+0xee/0x180 [ 85.711393][ T4309] syscall_exit_to_user_mode+0x16/0x40 [ 85.716985][ T4309] do_syscall_64+0x58/0xa0 [ 85.721438][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.727488][ T4309] [ 85.729842][ T4309] The buggy address belongs to the object at ffff88802ae7f700 [ 85.729842][ T4309] which belongs to the cache kmalloc-192 of size 192 [ 85.743915][ T4309] The buggy address is located 56 bytes inside of [ 85.743915][ T4309] 192-byte region [ffff88802ae7f700, ffff88802ae7f7c0) [ 85.757130][ T4309] The buggy address belongs to the page: [ 85.762790][ T4309] page:ffffea0000ab9fc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ae7f [ 85.773065][ T4309] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 85.780667][ T4309] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016c41a00 [ 85.789286][ T4309] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 85.797881][ T4309] page dumped because: kasan: bad access detected [ 85.804322][ T4309] page_owner tracks the page as allocated [ 85.810051][ T4309] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4294, ts 85280469678, free_ts 85278891150 [ 85.826049][ T4309] get_page_from_freelist+0x1bbd/0x1ca0 [ 85.831630][ T4309] __alloc_pages+0x1ee/0x480 [ 85.836245][ T4309] new_slab+0xb6/0x4b0 [ 85.840340][ T4309] ___slab_alloc+0x80a/0xdd0 [ 85.844951][ T4309] __kmalloc_node+0x200/0x3b0 [ 85.849646][ T4309] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 85.855503][ T4309] slab_post_alloc_hook+0xba/0x380 [ 85.860648][ T4309] kmem_cache_alloc+0x100/0x290 [ 85.865522][ T4309] __d_alloc+0x2a/0x6f0 [ 85.869696][ T4309] d_alloc_pseudo+0x19/0x70 [ 85.874225][ T4309] alloc_file_pseudo+0xe0/0x200 [ 85.879105][ T4309] sock_alloc_file+0xb3/0x240 [ 85.883804][ T4309] __sys_socket+0x11d/0x170 [ 85.888332][ T4309] __x64_sys_socket+0x76/0x80 [ 85.893029][ T4309] do_syscall_64+0x4c/0xa0 [ 85.897471][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.903493][ T4309] page last free stack trace: [ 85.908212][ T4309] free_unref_page_prepare+0x637/0x6c0 [ 85.913743][ T4309] free_unref_page+0x8f/0x2a0 [ 85.918630][ T4309] qlist_free_all+0x35/0x90 [ 85.923154][ T4309] kasan_quarantine_reduce+0x150/0x160 [ 85.928729][ T4309] __kasan_slab_alloc+0x2f/0xd0 [ 85.933697][ T4309] slab_post_alloc_hook+0x4c/0x380 [ 85.938827][ T4309] kmem_cache_alloc+0x100/0x290 [ 85.943697][ T4309] getname_flags+0xb5/0x500 [ 85.948234][ T4309] do_sys_openat2+0xdd/0x4b0 [ 85.952848][ T4309] __x64_sys_openat+0x135/0x160 [ 85.957730][ T4309] do_syscall_64+0x4c/0xa0 [ 85.962178][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.968109][ T4309] [ 85.970446][ T4309] Memory state around the buggy address: [ 85.976092][ T4309] ffff88802ae7f600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 85.984167][ T4309] ffff88802ae7f680: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 85.992250][ T4309] >ffff88802ae7f700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 86.000508][ T4309] ^ [ 86.006424][ T4309] ffff88802ae7f780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 86.014607][ T4309] ffff88802ae7f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.022706][ T4309] ================================================================== [ 86.030782][ T4309] Disabling lock debugging due to kernel taint [ 86.040211][ T1109] Bluetooth: hci0: command 0x040f tx timeout [ 86.056690][ T4309] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 86.063932][ T4309] CPU: 1 PID: 4309 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 86.072545][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 86.082708][ T4309] Call Trace: [ 86.086006][ T4309] [ 86.088959][ T4309] dump_stack_lvl+0x188/0x250 [ 86.093786][ T4309] ? show_regs_print_info+0x20/0x20 [ 86.099011][ T4309] ? load_image+0x400/0x400 [ 86.103555][ T4309] panic+0x2e5/0x810 [ 86.107471][ T4309] ? bpf_jit_dump+0xd0/0xd0 [ 86.111994][ T4309] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 86.118025][ T4309] ? _raw_spin_unlock+0x40/0x40 [ 86.122903][ T4309] ? print_memory_metadata+0x314/0x400 [ 86.128383][ T4309] ? ax25_fillin_cb+0x459/0x640 [ 86.133256][ T4309] check_panic_on_warn+0x80/0xa0 [ 86.138225][ T4309] ? ax25_fillin_cb+0x459/0x640 [ 86.143098][ T4309] end_report+0x6d/0xf0 [ 86.147277][ T4309] kasan_report+0x102/0x130 [ 86.151809][ T4309] ? ax25_fillin_cb+0x459/0x640 [ 86.156685][ T4309] ax25_fillin_cb+0x459/0x640 [ 86.161517][ T4309] ax25_setsockopt+0x8c9/0xa60 [ 86.166310][ T4309] ? ax25_shutdown+0x10/0x10 [ 86.170929][ T4309] ? aa_sock_opt_perm+0x74/0x100 [ 86.175979][ T4309] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 86.181552][ T4309] ? security_socket_setsockopt+0x7a/0xa0 [ 86.187288][ T4309] ? ax25_shutdown+0x10/0x10 [ 86.192028][ T4309] __sys_setsockopt+0x2bf/0x3d0 [ 86.196908][ T4309] __x64_sys_setsockopt+0xb1/0xc0 [ 86.201980][ T4309] do_syscall_64+0x4c/0xa0 [ 86.206419][ T4309] ? clear_bhb_loop+0x30/0x80 [ 86.211125][ T4309] ? clear_bhb_loop+0x30/0x80 [ 86.215829][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.221750][ T4309] RIP: 0033:0x7f6a64f71629 [ 86.226190][ T4309] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 86.245822][ T4309] RSP: 002b:00007ffd26aba538 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 86.254393][ T4309] RAX: ffffffffffffffda RBX: 00007f6a651eafa0 RCX: 00007f6a64f71629 [ 86.262383][ T4309] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 86.270463][ T4309] RBP: 00007f6a65007b39 R08: 0000000000000010 R09: 0000000000000000 [ 86.278459][ T4309] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 86.286538][ T4309] R13: 00007f6a651eafac R14: 00007f6a651eafa0 R15: 00007f6a651eafa0 [ 86.295324][ T4309] [ 86.298670][ T4309] Kernel Offset: disabled [ 86.303040][ T4309] Rebooting in 86400 seconds..