Warning: Permanently added '10.128.1.49' (ED25519) to the list of known hosts. 2026/05/12 10:08:46 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 88.124563][ T4792] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 89.706084][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.715333][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.723729][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 89.738374][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.746426][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.754365][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 90.420702][ T4837] chnl_net:caif_netlink_parms(): no params data found [ 90.475232][ T4837] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.483442][ T4837] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.491938][ T4837] device bridge_slave_0 entered promiscuous mode [ 90.500440][ T4837] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.508954][ T4837] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.517365][ T4837] device bridge_slave_1 entered promiscuous mode [ 90.544019][ T4837] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.555436][ T4837] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.585671][ T4837] team0: Port device team_slave_0 added [ 90.594656][ T4837] team0: Port device team_slave_1 added [ 90.616332][ T4837] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.623424][ T4837] 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. [ 90.650230][ T4837] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.664141][ T4837] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.671086][ T4837] 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. [ 90.699035][ T4837] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.738480][ T4837] device hsr_slave_0 entered promiscuous mode [ 90.745553][ T4837] device hsr_slave_1 entered promiscuous mode [ 91.347047][ T4837] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.358369][ T4837] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.369193][ T4837] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.378867][ T4837] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.441104][ T4837] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.456574][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 91.466369][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.477620][ T4837] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.487926][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.498234][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.507956][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.515084][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.524825][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 91.539711][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.549499][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.559316][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.566434][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.576979][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 91.596701][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.606106][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 91.618379][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.627258][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 91.637862][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.656661][ T4837] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 91.667684][ T4837] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 91.699938][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.707930][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.717118][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.726666][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.869555][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 91.879165][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 91.892351][ T4837] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.933100][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 91.942583][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 91.958297][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 91.968398][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 91.977232][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 91.985372][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 92.005562][ T4837] device veth0_vlan entered promiscuous mode [ 92.016989][ T4837] device veth1_vlan entered promiscuous mode [ 92.038945][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 92.047850][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 92.056748][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 92.065532][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 92.077533][ T4837] device veth0_macvtap entered promiscuous mode [ 92.105751][ T4837] device veth1_macvtap entered promiscuous mode [ 92.124538][ T4837] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.151347][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 92.159608][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 92.169278][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 92.178483][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 92.192912][ T4837] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.200750][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 92.211572][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 92.222861][ T4837] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.233079][ T4837] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.242377][ T4837] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.251083][ T4837] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/05/12 10:08:55 executed programs: 0 [ 94.214986][ T4990] chnl_net:caif_netlink_parms(): no params data found [ 94.292309][ T4990] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.304487][ T4990] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.312811][ T4990] device bridge_slave_0 entered promiscuous mode [ 94.321070][ T4990] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.333703][ T4990] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.342281][ T4990] device bridge_slave_1 entered promiscuous mode [ 94.364769][ T4410] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.387374][ T4990] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.400659][ T4990] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.428168][ T4990] team0: Port device team_slave_0 added [ 94.438664][ T4990] team0: Port device team_slave_1 added [ 94.460580][ T4990] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.468066][ T4990] 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. [ 94.496321][ T4990] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.508759][ T4990] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.517999][ T4990] 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. [ 94.546153][ T4990] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.580695][ T4990] device hsr_slave_0 entered promiscuous mode [ 94.589454][ T4990] device hsr_slave_1 entered promiscuous mode [ 94.596803][ T4990] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 94.607171][ T4990] Cannot create hsr debugfs directory [ 96.122387][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 96.807105][ T4410] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.856801][ T4410] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.916547][ T4410] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.753953][ T4990] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.762628][ T4990] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.771572][ T4990] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.780866][ T4990] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.831997][ T4990] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.855529][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 97.863686][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.873908][ T4990] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.884056][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 97.892726][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.901214][ T1168] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.908301][ T1168] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.916536][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 97.935952][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 97.944795][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 97.956131][ T1168] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.963267][ T1168] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.974563][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 97.988139][ T4410] device hsr_slave_0 left promiscuous mode [ 97.994843][ T4410] device hsr_slave_1 left promiscuous mode [ 98.001196][ T4410] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 98.009779][ T4410] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 98.017430][ T4410] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 98.025064][ T4410] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 98.033735][ T4410] device bridge_slave_1 left promiscuous mode [ 98.039935][ T4410] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.049337][ T4410] device bridge_slave_0 left promiscuous mode [ 98.055712][ T4410] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.065983][ T4410] device veth1_macvtap left promiscuous mode [ 98.072907][ T4410] device veth0_macvtap left promiscuous mode [ 98.079210][ T4410] device veth1_vlan left promiscuous mode [ 98.085207][ T4410] device veth0_vlan left promiscuous mode [ 98.201585][ T5231] Bluetooth: hci0: command 0x041b tx timeout [ 98.209395][ T4410] team0 (unregistering): Port device team_slave_1 removed [ 98.221217][ T4410] team0 (unregistering): Port device team_slave_0 removed [ 98.235125][ T4410] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 98.249764][ T4410] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 98.296055][ T4410] bond0 (unregistering): Released all slaves [ 98.336871][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 98.349154][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 98.358717][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.367276][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.377132][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 98.386219][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.401020][ T4990] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 98.417538][ T4990] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 98.430446][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 98.439270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.447784][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.456448][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.468789][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.552041][ T4990] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.559510][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.569524][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.586112][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 98.595146][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 98.615436][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 98.623942][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 98.633082][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 98.640783][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 98.659203][ T4990] device veth0_vlan entered promiscuous mode [ 98.671343][ T4990] device veth1_vlan entered promiscuous mode [ 98.694259][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 98.702843][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 98.710992][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 98.722056][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 98.732382][ T4990] device veth0_macvtap entered promiscuous mode [ 98.743092][ T4990] device veth1_macvtap entered promiscuous mode [ 98.760937][ T4990] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.768430][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 98.777983][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 98.786321][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 98.795755][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 98.810089][ T4990] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.820816][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 98.830379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 98.843671][ T4990] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.852631][ T4990] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.861691][ T4990] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.870379][ T4990] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.932544][ T1168] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.940383][ T1168] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.956256][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/05/12 10:09:00 executed programs: 2 [ 98.975747][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.985685][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.995112][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 99.050872][ T5260] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 99.107319][ T5264] ================================================================== [ 99.115724][ T5264] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 99.122955][ T5264] Read of size 4 at addr ffff888017b0f538 by task syz.0.19/5264 [ 99.130597][ T5264] [ 99.132943][ T5264] CPU: 1 PID: 5264 Comm: syz.0.19 Not tainted syzkaller #0 [ 99.140137][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 99.150389][ T5264] Call Trace: [ 99.153675][ T5264] [ 99.156694][ T5264] dump_stack_lvl+0x188/0x250 [ 99.161378][ T5264] ? show_regs_print_info+0x20/0x20 [ 99.166593][ T5264] ? _printk+0xda/0x130 [ 99.170742][ T5264] ? ax25_fillin_cb+0x459/0x640 [ 99.175598][ T5264] ? load_image+0x400/0x400 [ 99.180116][ T5264] print_address_description+0x60/0x2d0 [ 99.185660][ T5264] ? ax25_fillin_cb+0x459/0x640 [ 99.190522][ T5264] kasan_report+0xdf/0x130 [ 99.194955][ T5264] ? ax25_fillin_cb+0x459/0x640 [ 99.199814][ T5264] ax25_fillin_cb+0x459/0x640 [ 99.204508][ T5264] ax25_setsockopt+0x8c9/0xa60 [ 99.209286][ T5264] ? ax25_shutdown+0x10/0x10 [ 99.213896][ T5264] ? aa_sock_opt_perm+0x74/0x100 [ 99.218850][ T5264] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 99.224392][ T5264] ? security_socket_setsockopt+0x7a/0xa0 [ 99.230103][ T5264] ? ax25_shutdown+0x10/0x10 [ 99.234690][ T5264] __sys_setsockopt+0x2bf/0x3d0 [ 99.239543][ T5264] __x64_sys_setsockopt+0xb1/0xc0 [ 99.244575][ T5264] do_syscall_64+0x4c/0xa0 [ 99.248991][ T5264] ? clear_bhb_loop+0x30/0x80 [ 99.253663][ T5264] ? clear_bhb_loop+0x30/0x80 [ 99.258429][ T5264] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.264342][ T5264] RIP: 0033:0x7f61848d4819 [ 99.268761][ T5264] 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 [ 99.288366][ T5264] RSP: 002b:00007f6183f36028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 99.296876][ T5264] RAX: ffffffffffffffda RBX: 00007f6184b4dfa0 RCX: 00007f61848d4819 [ 99.304859][ T5264] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 99.312838][ T5264] RBP: 00007f618496ac91 R08: 0000000000000010 R09: 0000000000000000 [ 99.320813][ T5264] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 99.328967][ T5264] R13: 00007f6184b4e038 R14: 00007f6184b4dfa0 R15: 00007ffcf9537f48 [ 99.336958][ T5264] [ 99.339971][ T5264] [ 99.342291][ T5264] Allocated by task 5260: [ 99.346617][ T5264] __kasan_kmalloc+0xb5/0xf0 [ 99.351203][ T5264] ax25_dev_device_up+0x50/0x580 [ 99.356135][ T5264] ax25_device_event+0x483/0x4f0 [ 99.361065][ T5264] raw_notifier_call_chain+0xcb/0x160 [ 99.366521][ T5264] __dev_notify_flags+0x194/0x300 [ 99.371553][ T5264] dev_change_flags+0xe3/0x1a0 [ 99.376309][ T5264] dev_ifsioc+0x130/0xd50 [ 99.380714][ T5264] dev_ioctl+0x545/0xe30 [ 99.384947][ T5264] sock_do_ioctl+0x245/0x320 [ 99.389536][ T5264] sock_ioctl+0x4d2/0x710 [ 99.393948][ T5264] __se_sys_ioctl+0xfa/0x170 [ 99.398532][ T5264] do_syscall_64+0x4c/0xa0 [ 99.402940][ T5264] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.408829][ T5264] [ 99.411145][ T5264] Freed by task 5261: [ 99.415110][ T5264] kasan_set_track+0x4b/0x70 [ 99.419806][ T5264] kasan_set_free_info+0x1f/0x40 [ 99.424751][ T5264] ____kasan_slab_free+0xd5/0x110 [ 99.429770][ T5264] slab_free_freelist_hook+0xea/0x170 [ 99.435134][ T5264] kfree+0xef/0x2a0 [ 99.438940][ T5264] ax25_release+0x661/0x870 [ 99.443453][ T5264] sock_close+0xd5/0x240 [ 99.447712][ T5264] __fput+0x234/0x930 [ 99.451691][ T5264] task_work_run+0x125/0x1a0 [ 99.456315][ T5264] exit_to_user_mode_loop+0x10f/0x130 [ 99.461775][ T5264] exit_to_user_mode_prepare+0xee/0x180 [ 99.467321][ T5264] syscall_exit_to_user_mode+0x16/0x40 [ 99.472870][ T5264] do_syscall_64+0x58/0xa0 [ 99.477284][ T5264] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.483271][ T5264] [ 99.485587][ T5264] The buggy address belongs to the object at ffff888017b0f500 [ 99.485587][ T5264] which belongs to the cache kmalloc-192 of size 192 [ 99.499636][ T5264] The buggy address is located 56 bytes inside of [ 99.499636][ T5264] 192-byte region [ffff888017b0f500, ffff888017b0f5c0) [ 99.512820][ T5264] The buggy address belongs to the page: [ 99.518451][ T5264] page:ffffea00005ec3c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17b0f [ 99.528603][ T5264] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 99.536167][ T5264] raw: 00fff00000000200 dead000000000100 dead000000000122 ffff888016c41a00 [ 99.544746][ T5264] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 99.553319][ T5264] page dumped because: kasan: bad access detected [ 99.559733][ T5264] page_owner tracks the page as allocated [ 99.565532][ T5264] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 3468995597, free_ts 2317697129 [ 99.581252][ T5264] get_page_from_freelist+0x1bbd/0x1ca0 [ 99.586802][ T5264] __alloc_pages+0x1ee/0x480 [ 99.591389][ T5264] alloc_page_interleave+0x24/0x1e0 [ 99.596580][ T5264] new_slab+0xc0/0x4b0 [ 99.600638][ T5264] ___slab_alloc+0x80a/0xdd0 [ 99.605210][ T5264] __kmalloc+0x1cd/0x330 [ 99.609535][ T5264] __register_sysctl_table+0xe0/0x1230 [ 99.614986][ T5264] __register_sysctl_paths+0x3d7/0x590 [ 99.620560][ T5264] fscache_init+0x291/0x3e0 [ 99.625066][ T5264] do_one_initcall+0x272/0x730 [ 99.629828][ T5264] do_initcall_level+0x137/0x1f0 [ 99.634758][ T5264] do_initcalls+0x4b/0x90 [ 99.639293][ T5264] kernel_init_freeable+0x3e9/0x570 [ 99.644470][ T5264] kernel_init+0x19/0x1b0 [ 99.648784][ T5264] ret_from_fork+0x1f/0x30 [ 99.653180][ T5264] page last free stack trace: [ 99.657826][ T5264] free_unref_page_prepare+0x637/0x6c0 [ 99.663267][ T5264] free_unref_page+0x8f/0x2a0 [ 99.667926][ T5264] __vunmap+0x8b9/0xa50 [ 99.672056][ T5264] free_work+0x56/0x80 [ 99.676100][ T5264] process_one_work+0x85f/0x1010 [ 99.681020][ T5264] worker_thread+0xaa6/0x1290 [ 99.685760][ T5264] kthread+0x436/0x520 [ 99.689803][ T5264] ret_from_fork+0x1f/0x30 [ 99.694205][ T5264] [ 99.696511][ T5264] Memory state around the buggy address: [ 99.702202][ T5264] ffff888017b0f400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 99.710326][ T5264] ffff888017b0f480: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 99.718369][ T5264] >ffff888017b0f500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 99.726415][ T5264] ^ [ 99.732311][ T5264] ffff888017b0f580: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 99.740353][ T5264] ffff888017b0f600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 99.748476][ T5264] ================================================================== [ 99.756510][ T5264] Disabling lock debugging due to kernel taint [ 99.765372][ T5264] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 99.772576][ T5264] CPU: 1 PID: 5264 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 99.781287][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 99.791631][ T5264] Call Trace: [ 99.794930][ T5264] [ 99.797955][ T5264] dump_stack_lvl+0x188/0x250 [ 99.802627][ T5264] ? show_regs_print_info+0x20/0x20 [ 99.807944][ T5264] ? load_image+0x400/0x400 [ 99.812917][ T5264] panic+0x2e5/0x810 [ 99.816816][ T5264] ? bpf_jit_dump+0xd0/0xd0 [ 99.821311][ T5264] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 99.827265][ T5264] ? _raw_spin_unlock+0x40/0x40 [ 99.832179][ T5264] ? print_memory_metadata+0x314/0x400 [ 99.837618][ T5264] ? ax25_fillin_cb+0x459/0x640 [ 99.842460][ T5264] check_panic_on_warn+0x80/0xa0 [ 99.847376][ T5264] ? ax25_fillin_cb+0x459/0x640 [ 99.852215][ T5264] end_report+0x6d/0xf0 [ 99.856370][ T5264] kasan_report+0x102/0x130 [ 99.860849][ T5264] ? ax25_fillin_cb+0x459/0x640 [ 99.865676][ T5264] ax25_fillin_cb+0x459/0x640 [ 99.870333][ T5264] ax25_setsockopt+0x8c9/0xa60 [ 99.875093][ T5264] ? ax25_shutdown+0x10/0x10 [ 99.879666][ T5264] ? aa_sock_opt_perm+0x74/0x100 [ 99.884764][ T5264] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 99.890297][ T5264] ? security_socket_setsockopt+0x7a/0xa0 [ 99.896267][ T5264] ? ax25_shutdown+0x10/0x10 [ 99.900931][ T5264] __sys_setsockopt+0x2bf/0x3d0 [ 99.905775][ T5264] __x64_sys_setsockopt+0xb1/0xc0 [ 99.910787][ T5264] do_syscall_64+0x4c/0xa0 [ 99.915183][ T5264] ? clear_bhb_loop+0x30/0x80 [ 99.920041][ T5264] ? clear_bhb_loop+0x30/0x80 [ 99.924705][ T5264] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.930576][ T5264] RIP: 0033:0x7f61848d4819 [ 99.935268][ T5264] 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 [ 99.955148][ T5264] RSP: 002b:00007f6183f36028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 99.963572][ T5264] RAX: ffffffffffffffda RBX: 00007f6184b4dfa0 RCX: 00007f61848d4819 [ 99.971521][ T5264] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 99.979469][ T5264] RBP: 00007f618496ac91 R08: 0000000000000010 R09: 0000000000000000 [ 99.987436][ T5264] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 99.995764][ T5264] R13: 00007f6184b4e038 R14: 00007f6184b4dfa0 R15: 00007ffcf9537f48 [ 100.003834][ T5264] [ 100.007171][ T5264] Kernel Offset: disabled [ 100.011500][ T5264] Rebooting in 86400 seconds..