Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. 2026/04/09 13:50:39 parsed 1 programs [ 70.170450][ T4188] cgroup: Unknown subsys name 'net' [ 70.327332][ T4188] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.323708][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.330297][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.821877][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 73.433482][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.441653][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.450675][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.474677][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.483054][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.493906][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 73.815834][ T4221] chnl_net:caif_netlink_parms(): no params data found [ 73.869328][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.876881][ T4221] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.885309][ T4221] device bridge_slave_0 entered promiscuous mode [ 73.896497][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.904096][ T4221] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.912256][ T4221] device bridge_slave_1 entered promiscuous mode [ 73.939310][ T4221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.951245][ T4221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.978989][ T4221] team0: Port device team_slave_0 added [ 73.987765][ T4221] team0: Port device team_slave_1 added [ 74.011771][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.018757][ T4221] 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. [ 74.045516][ T4221] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.060986][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.067960][ T4221] 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. [ 74.095615][ T4221] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.138610][ T4221] device hsr_slave_0 entered promiscuous mode [ 74.147003][ T4221] device hsr_slave_1 entered promiscuous mode [ 74.282391][ T4221] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.295861][ T4221] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.306454][ T4221] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.317450][ T4221] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.351251][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.358671][ T4221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.366698][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.373927][ T4221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.438637][ T4221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.449163][ T1555] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.458771][ T1555] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.483673][ T4221] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.490894][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.499199][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.521942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.531732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.540298][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.547468][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.557819][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.568563][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.579201][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.586357][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.596336][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.605664][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.620720][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.632348][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.642229][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.660764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.669706][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.679928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.694419][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.703353][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.713694][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.724467][ T4221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.866096][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.875639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.893578][ T4221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.918326][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.939872][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.963690][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.972914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.984132][ T4221] device veth0_vlan entered promiscuous mode [ 74.991162][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.999519][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.013473][ T4221] device veth1_vlan entered promiscuous mode [ 75.041119][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.050038][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.058967][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.068764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.081231][ T4221] device veth0_macvtap entered promiscuous mode [ 75.095039][ T4221] device veth1_macvtap entered promiscuous mode [ 75.115561][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.124022][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.135328][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.144430][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.153278][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.165493][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.174542][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.184924][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.196313][ T4221] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.206826][ T4221] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.215984][ T4221] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.226824][ T4221] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.339451][ T4221] syz-executor (4221) used greatest stack depth: 19512 bytes left [ 75.643625][ T1209] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.747692][ T1209] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.196215][ T1209] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.239348][ T1209] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.371754][ T1209] device hsr_slave_0 left promiscuous mode [ 82.384051][ T1209] device hsr_slave_1 left promiscuous mode [ 82.392191][ T1209] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 82.399663][ T1209] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 82.408516][ T1209] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 82.417429][ T1209] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 82.425727][ T1209] device bridge_slave_1 left promiscuous mode [ 82.434437][ T1209] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.453508][ T1209] device bridge_slave_0 left promiscuous mode [ 82.459745][ T1209] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.483850][ T1209] device veth1_macvtap left promiscuous mode [ 82.490212][ T1209] device veth0_macvtap left promiscuous mode [ 82.498688][ T1209] device veth1_vlan left promiscuous mode [ 82.504762][ T1209] device veth0_vlan left promiscuous mode [ 82.686568][ T1209] team0 (unregistering): Port device team_slave_1 removed [ 82.700708][ T1209] team0 (unregistering): Port device team_slave_0 removed [ 82.714274][ T1209] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.728353][ T1209] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 82.787217][ T1209] bond0 (unregistering): Released all slaves 2026/04/09 13:50:55 executed programs: 0 [ 83.862586][ T4362] chnl_net:caif_netlink_parms(): no params data found [ 83.994783][ T4362] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.017712][ T4362] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.030662][ T4362] device bridge_slave_0 entered promiscuous mode [ 84.052794][ T4362] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.060037][ T4362] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.082992][ T4362] device bridge_slave_1 entered promiscuous mode [ 84.130352][ T4362] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.143556][ T4362] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.189067][ T4362] team0: Port device team_slave_0 added [ 84.203088][ T4362] team0: Port device team_slave_1 added [ 84.244548][ T4362] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.252897][ T4362] 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. [ 84.280606][ T4362] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 84.303170][ T4362] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 84.310167][ T4362] 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. [ 84.338235][ T4362] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 84.383605][ T4362] device hsr_slave_0 entered promiscuous mode [ 84.392475][ T4362] device hsr_slave_1 entered promiscuous mode [ 85.063567][ T4362] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 85.075143][ T4362] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.106221][ T4362] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 85.123559][ T4362] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.266039][ T4362] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.298895][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 85.307666][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 85.320046][ T4362] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.332376][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 85.343268][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.352992][ T1555] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.360083][ T1555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.383907][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.392604][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 85.403881][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.414731][ T1555] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.421859][ T1555] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.431670][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 85.442299][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 85.462559][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 85.473445][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.485429][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 85.497230][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.508039][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 85.517193][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.532874][ T4362] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 85.545633][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.554933][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.566480][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 85.575447][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.734776][ T4263] Bluetooth: hci0: command 0x0409 tx timeout [ 85.751683][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.759191][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 85.776882][ T4362] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.800869][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 85.818299][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 85.857233][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 85.867882][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 85.879624][ T4362] device veth0_vlan entered promiscuous mode [ 85.889493][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 85.899052][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 85.914852][ T4362] device veth1_vlan entered promiscuous mode [ 85.938957][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 85.949673][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 85.958291][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 85.974260][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 85.986550][ T4362] device veth0_macvtap entered promiscuous mode [ 86.002283][ T4362] device veth1_macvtap entered promiscuous mode [ 86.023902][ T4362] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.033527][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 86.042531][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 86.060811][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 86.072930][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 86.087139][ T4362] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.104262][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 86.116331][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 86.128117][ T4362] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.139156][ T4362] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.148940][ T4362] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.159713][ T4362] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.259987][ T1555] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.279493][ T1555] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.303521][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.326340][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.334330][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.342436][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 86.424088][ T4459] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 86.511036][ T4465] ================================================================== [ 86.519401][ T4465] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 86.526656][ T4465] Read of size 4 at addr ffff88802038d538 by task syz.0.19/4465 [ 86.534295][ T4465] [ 86.536668][ T4465] CPU: 0 PID: 4465 Comm: syz.0.19 Not tainted syzkaller #0 [ 86.543886][ T4465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.553964][ T4465] Call Trace: [ 86.557267][ T4465] [ 86.560216][ T4465] dump_stack_lvl+0x188/0x250 [ 86.564916][ T4465] ? show_regs_print_info+0x20/0x20 [ 86.570195][ T4465] ? _printk+0xda/0x130 [ 86.574396][ T4465] ? ax25_fillin_cb+0x459/0x640 [ 86.579278][ T4465] ? load_image+0x400/0x400 [ 86.583802][ T4465] print_address_description+0x60/0x2d0 [ 86.589367][ T4465] ? ax25_fillin_cb+0x459/0x640 [ 86.594232][ T4465] kasan_report+0xdf/0x130 [ 86.598673][ T4465] ? ax25_fillin_cb+0x459/0x640 [ 86.603540][ T4465] ax25_fillin_cb+0x459/0x640 [ 86.608235][ T4465] ax25_setsockopt+0x8c9/0xa60 [ 86.613028][ T4465] ? ax25_shutdown+0x10/0x10 [ 86.617643][ T4465] ? aa_sock_opt_perm+0x74/0x100 [ 86.622605][ T4465] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 86.628166][ T4465] ? security_socket_setsockopt+0x7a/0xa0 [ 86.633897][ T4465] ? ax25_shutdown+0x10/0x10 [ 86.638516][ T4465] __sys_setsockopt+0x2bf/0x3d0 [ 86.643564][ T4465] __x64_sys_setsockopt+0xb1/0xc0 [ 86.648613][ T4465] do_syscall_64+0x4c/0xa0 [ 86.653051][ T4465] ? clear_bhb_loop+0x30/0x80 [ 86.657742][ T4465] ? clear_bhb_loop+0x30/0x80 [ 86.662434][ T4465] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.668352][ T4465] RIP: 0033:0x7fc673068819 [ 86.672783][ T4465] 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 [ 86.692399][ T4465] RSP: 002b:00007ffecef02f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 86.700829][ T4465] RAX: ffffffffffffffda RBX: 00007fc6732e1fa0 RCX: 00007fc673068819 [ 86.708814][ T4465] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 86.716796][ T4465] RBP: 00007fc6730fec91 R08: 0000000000000010 R09: 0000000000000000 [ 86.724782][ T4465] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 86.732776][ T4465] R13: 00007fc6732e1fac R14: 00007fc6732e1fa0 R15: 00007fc6732e1fa0 [ 86.740774][ T4465] [ 86.743810][ T4465] [ 86.746149][ T4465] Allocated by task 4459: [ 86.750497][ T4465] __kasan_kmalloc+0xb5/0xf0 [ 86.755110][ T4465] ax25_dev_device_up+0x50/0x580 [ 86.760085][ T4465] ax25_device_event+0x483/0x4f0 [ 86.765066][ T4465] raw_notifier_call_chain+0xcb/0x160 [ 86.770457][ T4465] __dev_notify_flags+0x194/0x300 [ 86.775502][ T4465] dev_change_flags+0xe3/0x1a0 [ 86.780287][ T4465] dev_ifsioc+0x130/0xd50 [ 86.784628][ T4465] dev_ioctl+0x545/0xe30 [ 86.788886][ T4465] sock_do_ioctl+0x245/0x320 [ 86.793487][ T4465] sock_ioctl+0x4d2/0x710 [ 86.797827][ T4465] __se_sys_ioctl+0xfa/0x170 [ 86.802427][ T4465] do_syscall_64+0x4c/0xa0 [ 86.806854][ T4465] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.812765][ T4465] [ 86.815124][ T4465] Freed by task 4462: [ 86.819114][ T4465] kasan_set_track+0x4b/0x70 [ 86.823724][ T4465] kasan_set_free_info+0x1f/0x40 [ 86.828673][ T4465] ____kasan_slab_free+0xd5/0x110 [ 86.833715][ T4465] slab_free_freelist_hook+0xea/0x170 [ 86.839099][ T4465] kfree+0xef/0x2a0 [ 86.843063][ T4465] ax25_release+0x661/0x870 [ 86.847592][ T4465] sock_close+0xd5/0x240 [ 86.851851][ T4465] __fput+0x234/0x930 [ 86.855849][ T4465] task_work_run+0x125/0x1a0 [ 86.860457][ T4465] exit_to_user_mode_loop+0x10f/0x130 [ 86.865850][ T4465] exit_to_user_mode_prepare+0xee/0x180 [ 86.871423][ T4465] syscall_exit_to_user_mode+0x16/0x40 [ 86.876905][ T4465] do_syscall_64+0x58/0xa0 [ 86.881337][ T4465] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.887275][ T4465] [ 86.889612][ T4465] The buggy address belongs to the object at ffff88802038d500 [ 86.889612][ T4465] which belongs to the cache kmalloc-192 of size 192 [ 86.903673][ T4465] The buggy address is located 56 bytes inside of [ 86.903673][ T4465] 192-byte region [ffff88802038d500, ffff88802038d5c0) [ 86.916889][ T4465] The buggy address belongs to the page: [ 86.922537][ T4465] page:ffffea000080e340 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2038d [ 86.932705][ T4465] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 86.940279][ T4465] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016c41a00 [ 86.948881][ T4465] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 86.957469][ T4465] page dumped because: kasan: bad access detected [ 86.963903][ T4465] page_owner tracks the page as allocated [ 86.969619][ T4465] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4459, ts 86419404045, free_ts 86320434860 [ 86.985603][ T4465] get_page_from_freelist+0x1bbd/0x1ca0 [ 86.991175][ T4465] __alloc_pages+0x1ee/0x480 [ 86.995784][ T4465] new_slab+0xb6/0x4b0 [ 86.999865][ T4465] ___slab_alloc+0x80a/0xdd0 [ 87.004470][ T4465] __kmalloc_node+0x200/0x3b0 [ 87.009159][ T4465] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 87.014975][ T4465] new_slab+0x100/0x4b0 [ 87.019146][ T4465] ___slab_alloc+0x80a/0xdd0 [ 87.023748][ T4465] kmem_cache_alloc+0x195/0x290 [ 87.028610][ T4465] shmem_alloc_inode+0x16/0x30 [ 87.033429][ T4465] new_inode_pseudo+0x5f/0x210 [ 87.038229][ T4465] new_inode+0x25/0x1c0 [ 87.042406][ T4465] shmem_get_inode+0x334/0xa90 [ 87.047197][ T4465] shmem_symlink+0x97/0x6c0 [ 87.051723][ T4465] vfs_symlink+0x247/0x3d0 [ 87.056160][ T4465] do_symlinkat+0x1ab/0x6b0 [ 87.060686][ T4465] page last free stack trace: [ 87.065377][ T4465] free_unref_page_prepare+0x637/0x6c0 [ 87.070855][ T4465] free_unref_page+0x8f/0x2a0 [ 87.075549][ T4465] __mmdrop+0xaa/0x3e0 [ 87.079623][ T4465] finish_task_switch+0x215/0x640 [ 87.084664][ T4465] __schedule+0x11f7/0x43c0 [ 87.089197][ T4465] schedule+0x11b/0x1e0 [ 87.093360][ T4465] schedule_preempt_disabled+0xf/0x20 [ 87.098746][ T4465] __mutex_lock_common+0xcfc/0x2400 [ 87.103965][ T4465] mutex_lock_nested+0x17/0x20 [ 87.108743][ T4465] nl80211_pre_doit+0x28/0x540 [ 87.113517][ T4465] genl_rcv_msg+0xcb3/0xf90 [ 87.118055][ T4465] netlink_rcv_skb+0x1f5/0x440 [ 87.122830][ T4465] genl_rcv+0x24/0x40 [ 87.126828][ T4465] netlink_unicast+0x774/0x920 [ 87.131599][ T4465] netlink_sendmsg+0x8ba/0xbe0 [ 87.136384][ T4465] __sys_sendto+0x46d/0x620 [ 87.140919][ T4465] [ 87.143262][ T4465] Memory state around the buggy address: [ 87.148908][ T4465] ffff88802038d400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 87.156997][ T4465] ffff88802038d480: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 87.165087][ T4465] >ffff88802038d500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 87.173282][ T4465] ^ [ 87.179580][ T4465] ffff88802038d580: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 87.187657][ T4465] ffff88802038d600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 87.195731][ T4465] ================================================================== [ 87.203800][ T4465] Disabling lock debugging due to kernel taint [ 87.211378][ T7] cfg80211: failed to load regulatory.db [ 87.219671][ T4465] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 87.226899][ T4465] CPU: 0 PID: 4465 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 87.235506][ T4465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.245578][ T4465] Call Trace: [ 87.248880][ T4465] [ 87.251851][ T4465] dump_stack_lvl+0x188/0x250 [ 87.256561][ T4465] ? show_regs_print_info+0x20/0x20 [ 87.261794][ T4465] ? load_image+0x400/0x400 [ 87.266329][ T4465] panic+0x2e5/0x810 [ 87.270257][ T4465] ? bpf_jit_dump+0xd0/0xd0 [ 87.274789][ T4465] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 87.280800][ T4465] ? _raw_spin_unlock+0x40/0x40 [ 87.285676][ T4465] ? print_memory_metadata+0x314/0x400 [ 87.291196][ T4465] ? ax25_fillin_cb+0x459/0x640 [ 87.296072][ T4465] check_panic_on_warn+0x80/0xa0 [ 87.301039][ T4465] ? ax25_fillin_cb+0x459/0x640 [ 87.305925][ T4465] end_report+0x6d/0xf0 [ 87.310118][ T4465] kasan_report+0x102/0x130 [ 87.314648][ T4465] ? ax25_fillin_cb+0x459/0x640 [ 87.319532][ T4465] ax25_fillin_cb+0x459/0x640 [ 87.324241][ T4465] ax25_setsockopt+0x8c9/0xa60 [ 87.329036][ T4465] ? ax25_shutdown+0x10/0x10 [ 87.333660][ T4465] ? aa_sock_opt_perm+0x74/0x100 [ 87.338630][ T4465] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 87.344208][ T4465] ? security_socket_setsockopt+0x7a/0xa0 [ 87.349973][ T4465] ? ax25_shutdown+0x10/0x10 [ 87.354594][ T4465] __sys_setsockopt+0x2bf/0x3d0 [ 87.359485][ T4465] __x64_sys_setsockopt+0xb1/0xc0 [ 87.364544][ T4465] do_syscall_64+0x4c/0xa0 [ 87.368992][ T4465] ? clear_bhb_loop+0x30/0x80 [ 87.373696][ T4465] ? clear_bhb_loop+0x30/0x80 [ 87.378402][ T4465] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.384355][ T4465] RIP: 0033:0x7fc673068819 [ 87.388797][ T4465] 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 [ 87.408439][ T4465] RSP: 002b:00007ffecef02f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 87.416879][ T4465] RAX: ffffffffffffffda RBX: 00007fc6732e1fa0 RCX: 00007fc673068819 [ 87.424878][ T4465] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 87.432938][ T4465] RBP: 00007fc6730fec91 R08: 0000000000000010 R09: 0000000000000000 [ 87.440945][ T4465] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 87.448951][ T4465] R13: 00007fc6732e1fac R14: 00007fc6732e1fa0 R15: 00007fc6732e1fa0 [ 87.456956][ T4465] [ 87.460196][ T4465] Kernel Offset: disabled [ 87.464539][ T4465] Rebooting in 86400 seconds..