Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hosts. 2025/09/17 04:17:40 parsed 1 programs [ 47.316300][ T4188] cgroup: Unknown subsys name 'net' [ 47.453959][ T4188] cgroup: Unknown subsys name 'rlimit' [ 48.646245][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 51.252707][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.270261][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.278869][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.303043][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.311583][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.320907][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.571688][ T4240] syz-executor (4240) used greatest stack depth: 20992 bytes left [ 51.839693][ T4250] chnl_net:caif_netlink_parms(): no params data found [ 51.915103][ T4250] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.922511][ T4250] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.930740][ T4250] device bridge_slave_0 entered promiscuous mode [ 51.938835][ T4250] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.946110][ T4250] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.953765][ T4250] device bridge_slave_1 entered promiscuous mode [ 51.972735][ T4250] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.983008][ T4250] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.002907][ T4250] team0: Port device team_slave_0 added [ 52.010357][ T4250] team0: Port device team_slave_1 added [ 52.021730][ T4250] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.028648][ T4250] 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. [ 52.054786][ T4250] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.066901][ T4250] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.073871][ T4250] 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. [ 52.099928][ T4250] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.124950][ T4250] device hsr_slave_0 entered promiscuous mode [ 52.132028][ T4250] device hsr_slave_1 entered promiscuous mode [ 52.202888][ T4250] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.212689][ T4250] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.221159][ T4250] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.229920][ T4250] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.251095][ T4250] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.258204][ T4250] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.265977][ T4250] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.273053][ T4250] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.291714][ T3156] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.299934][ T3156] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.326785][ T4250] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.337167][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.345478][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.355849][ T4250] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.366237][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.375158][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.384019][ T3156] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.391086][ T3156] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.402504][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.411219][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.419680][ T3106] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.426695][ T3106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.437235][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.470201][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.478791][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.487576][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.496274][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.505751][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.516101][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.526595][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.534987][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.564550][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.573111][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.583036][ T4250] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.685030][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.692778][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.704902][ T4250] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.740956][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.750354][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.761078][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.769366][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.777658][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.786285][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.797385][ T4250] device veth0_vlan entered promiscuous mode [ 52.827570][ T4250] device veth1_vlan entered promiscuous mode [ 52.844702][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.852609][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.860818][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.869583][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.882280][ T4250] device veth0_macvtap entered promiscuous mode [ 52.892148][ T4250] device veth1_macvtap entered promiscuous mode [ 52.925867][ T4250] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.936903][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.945140][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.953725][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.962425][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.972226][ T4250] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.981177][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.989781][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.001618][ T4250] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.010606][ T4250] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.019482][ T4250] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.028156][ T4250] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/09/17 04:17:48 executed programs: 0 [ 53.677171][ T4295] chnl_net:caif_netlink_parms(): no params data found [ 53.730973][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.738091][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.746249][ T4295] device bridge_slave_0 entered promiscuous mode [ 53.754611][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.761920][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.770165][ T4295] device bridge_slave_1 entered promiscuous mode [ 53.793974][ T4295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.805085][ T4295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.836398][ T4295] team0: Port device team_slave_0 added [ 53.846617][ T4295] team0: Port device team_slave_1 added [ 53.868322][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.877584][ T4295] 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. [ 53.906349][ T4295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.920734][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.927691][ T4295] 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. [ 53.955714][ T4295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.994467][ T4295] device hsr_slave_0 entered promiscuous mode [ 54.003263][ T4295] device hsr_slave_1 entered promiscuous mode [ 54.009942][ T4295] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.017760][ T4295] Cannot create hsr debugfs directory [ 54.105414][ T4295] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.255965][ T9] ODEBUG: Out of memory. ODEBUG disabled [ 55.569619][ T4268] Bluetooth: hci0: command 0x0409 tx timeout [ 56.693998][ T4295] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.649563][ T4268] Bluetooth: hci0: command 0x041b tx timeout [ 58.153220][ T4295] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.213965][ T4295] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.394455][ T4295] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.403399][ T4295] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.413108][ T4295] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.421538][ T4295] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.435126][ T9] device hsr_slave_0 left promiscuous mode [ 58.441654][ T9] device hsr_slave_1 left promiscuous mode [ 58.447904][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.455903][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.464096][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.471533][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.479251][ T9] device bridge_slave_1 left promiscuous mode [ 58.485998][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.498526][ T9] device bridge_slave_0 left promiscuous mode [ 58.505508][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.519504][ T9] device veth1_macvtap left promiscuous mode [ 58.525616][ T9] device veth0_macvtap left promiscuous mode [ 58.531868][ T9] device veth1_vlan left promiscuous mode [ 58.537675][ T9] device veth0_vlan left promiscuous mode [ 58.637057][ T9] team0 (unregistering): Port device team_slave_1 removed [ 58.648202][ T9] team0 (unregistering): Port device team_slave_0 removed [ 58.661320][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.673850][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.714722][ T9] bond0 (unregistering): Released all slaves [ 58.793914][ T4295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.806724][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.816492][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.826213][ T4295] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.835059][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.844154][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.853198][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.860273][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.867873][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.884458][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.893229][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.904604][ T3156] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.911676][ T3156] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.920283][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.928747][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.945464][ T4295] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.955894][ T4295] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.969162][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.977874][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.986448][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.995097][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.003554][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.011812][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.020515][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.028696][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.036877][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.045731][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.127710][ T4295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.135053][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.142583][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.158080][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.166859][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.184679][ T4295] device veth0_vlan entered promiscuous mode [ 59.191404][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.200325][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.208461][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.216341][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.234571][ T4295] device veth1_vlan entered promiscuous mode [ 59.253652][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.261954][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.270255][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.278690][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.289902][ T4295] device veth0_macvtap entered promiscuous mode [ 59.298729][ T4295] device veth1_macvtap entered promiscuous mode [ 59.316451][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.323896][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.331962][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.340081][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.348533][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.360952][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.370296][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.380099][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.389560][ T4295] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.398251][ T4295] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.407310][ T4295] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.416425][ T4295] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.462919][ T3106] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.478739][ T3106] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.487498][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.495762][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.505768][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/09/17 04:17:54 executed programs: 2 [ 59.515300][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.554000][ T4319] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 59.591973][ T4321] ================================================================== [ 59.600224][ T4321] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 59.607434][ T4321] Read of size 4 at addr ffff888023eb6538 by task syz.0.19/4321 [ 59.615101][ T4321] [ 59.617425][ T4321] CPU: 1 PID: 4321 Comm: syz.0.19 Not tainted syzkaller #0 [ 59.624608][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 59.634664][ T4321] Call Trace: [ 59.637938][ T4321] [ 59.640859][ T4321] dump_stack_lvl+0x168/0x230 [ 59.645534][ T4321] ? show_regs_print_info+0x20/0x20 [ 59.650721][ T4321] ? _printk+0xcc/0x110 [ 59.654866][ T4321] ? ax25_fillin_cb+0x459/0x640 [ 59.659712][ T4321] ? load_image+0x3b0/0x3b0 [ 59.664218][ T4321] print_address_description+0x60/0x2d0 [ 59.669765][ T4321] ? ax25_fillin_cb+0x459/0x640 [ 59.674612][ T4321] kasan_report+0xdf/0x130 [ 59.679026][ T4321] ? ax25_fillin_cb+0x459/0x640 [ 59.683871][ T4321] ax25_fillin_cb+0x459/0x640 [ 59.688538][ T4321] ax25_setsockopt+0x8a2/0xa40 [ 59.693300][ T4321] ? ax25_shutdown+0x10/0x10 [ 59.697882][ T4321] ? aa_sock_opt_perm+0x74/0x100 [ 59.702812][ T4321] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 59.708353][ T4321] ? security_socket_setsockopt+0x7a/0xa0 [ 59.714060][ T4321] ? ax25_shutdown+0x10/0x10 [ 59.718641][ T4321] __sys_setsockopt+0x2bf/0x3d0 [ 59.723487][ T4321] __x64_sys_setsockopt+0xb1/0xc0 [ 59.728506][ T4321] do_syscall_64+0x4c/0xa0 [ 59.732908][ T4321] ? clear_bhb_loop+0x30/0x80 [ 59.737575][ T4321] ? clear_bhb_loop+0x30/0x80 [ 59.742248][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.748147][ T4321] RIP: 0033:0x7f1af4504ba9 [ 59.752556][ T4321] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 59.772154][ T4321] RSP: 002b:00007fff3dd95148 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 59.780558][ T4321] RAX: ffffffffffffffda RBX: 00007f1af474bfa0 RCX: 00007f1af4504ba9 [ 59.788518][ T4321] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 59.796478][ T4321] RBP: 00007f1af4587e19 R08: 0000000000000010 R09: 0000000000000000 [ 59.804436][ T4321] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.812399][ T4321] R13: 00007f1af474bfa0 R14: 00007f1af474bfa0 R15: 0000000000000005 [ 59.820375][ T4321] [ 59.823383][ T4321] [ 59.825691][ T4321] Allocated by task 4319: [ 59.829999][ T4321] __kasan_kmalloc+0xb5/0xf0 [ 59.834581][ T4321] ax25_dev_device_up+0x50/0x580 [ 59.839506][ T4321] ax25_device_event+0x483/0x4f0 [ 59.844434][ T4321] raw_notifier_call_chain+0xcb/0x160 [ 59.849795][ T4321] __dev_notify_flags+0x178/0x2d0 [ 59.854812][ T4321] dev_change_flags+0xe3/0x1a0 [ 59.859564][ T4321] dev_ifsioc+0x147/0xe70 [ 59.863881][ T4321] dev_ioctl+0x55f/0xe50 [ 59.868112][ T4321] sock_do_ioctl+0x222/0x2f0 [ 59.872690][ T4321] sock_ioctl+0x4ed/0x6e0 [ 59.877007][ T4321] __se_sys_ioctl+0xfa/0x170 [ 59.881585][ T4321] do_syscall_64+0x4c/0xa0 [ 59.885988][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.891868][ T4321] [ 59.894178][ T4321] Freed by task 4320: [ 59.898140][ T4321] kasan_set_track+0x4b/0x70 [ 59.902719][ T4321] kasan_set_free_info+0x1f/0x40 [ 59.907648][ T4321] ____kasan_slab_free+0xd5/0x110 [ 59.912661][ T4321] slab_free_freelist_hook+0xea/0x170 [ 59.918018][ T4321] kfree+0xef/0x2a0 [ 59.921813][ T4321] ax25_release+0x661/0x870 [ 59.926301][ T4321] sock_close+0xd5/0x240 [ 59.930529][ T4321] __fput+0x234/0x930 [ 59.934497][ T4321] task_work_run+0x125/0x1a0 [ 59.939074][ T4321] exit_to_user_mode_loop+0x10f/0x130 [ 59.944439][ T4321] exit_to_user_mode_prepare+0xee/0x180 [ 59.949973][ T4321] syscall_exit_to_user_mode+0x16/0x40 [ 59.955420][ T4321] do_syscall_64+0x58/0xa0 [ 59.959821][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.965744][ T4321] [ 59.968053][ T4321] The buggy address belongs to the object at ffff888023eb6500 [ 59.968053][ T4321] which belongs to the cache kmalloc-192 of size 192 [ 59.982091][ T4321] The buggy address is located 56 bytes inside of [ 59.982091][ T4321] 192-byte region [ffff888023eb6500, ffff888023eb65c0) [ 59.995263][ T4321] The buggy address belongs to the page: [ 60.000897][ T4321] page:ffffea00008fad80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x23eb6 [ 60.011036][ T4321] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 60.018574][ T4321] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 [ 60.027146][ T4321] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 60.035712][ T4321] page dumped because: kasan: bad access detected [ 60.042117][ T4321] page_owner tracks the page as allocated [ 60.047817][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4295, ts 59545002313, free_ts 59461870240 [ 60.063778][ T4321] get_page_from_freelist+0x1b77/0x1c60 [ 60.069322][ T4321] __alloc_pages+0x1e1/0x470 [ 60.073902][ T4321] new_slab+0xb6/0x4b0 [ 60.077958][ T4321] ___slab_alloc+0x81e/0xdf0 [ 60.082534][ T4321] __kmalloc_node+0x200/0x3b0 [ 60.087197][ T4321] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 60.092992][ T4321] new_slab+0x100/0x4b0 [ 60.097134][ T4321] ___slab_alloc+0x81e/0xdf0 [ 60.101708][ T4321] kmem_cache_alloc+0x195/0x290 [ 60.106543][ T4321] __d_alloc+0x2a/0x6f0 [ 60.110685][ T4321] d_alloc_pseudo+0x19/0x70 [ 60.115172][ T4321] alloc_file_pseudo+0xc8/0x1f0 [ 60.120007][ T4321] sock_alloc_file+0xb3/0x240 [ 60.124671][ T4321] __sys_socket+0x11d/0x170 [ 60.129159][ T4321] __x64_sys_socket+0x76/0x80 [ 60.133822][ T4321] do_syscall_64+0x4c/0xa0 [ 60.138227][ T4321] page last free stack trace: [ 60.142885][ T4321] free_unref_page_prepare+0x637/0x6c0 [ 60.148336][ T4321] free_unref_page+0x94/0x280 [ 60.153003][ T4321] qlist_free_all+0x35/0x90 [ 60.157498][ T4321] kasan_quarantine_reduce+0x150/0x160 [ 60.162950][ T4321] __kasan_slab_alloc+0x2f/0xd0 [ 60.167789][ T4321] slab_post_alloc_hook+0x4c/0x380 [ 60.172886][ T4321] __kmalloc+0x127/0x330 [ 60.177112][ T4321] tomoyo_realpath_from_path+0x118/0x610 [ 60.182733][ T4321] tomoyo_path_number_perm+0x1d5/0x5d0 [ 60.188178][ T4321] security_file_ioctl+0x6c/0xa0 [ 60.193102][ T4321] __se_sys_ioctl+0x48/0x170 [ 60.197679][ T4321] do_syscall_64+0x4c/0xa0 [ 60.202074][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.207961][ T4321] [ 60.210262][ T4321] Memory state around the buggy address: [ 60.215861][ T4321] ffff888023eb6400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 60.223890][ T4321] ffff888023eb6480: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 60.231919][ T4321] >ffff888023eb6500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 60.239948][ T4321] ^ [ 60.245813][ T4321] ffff888023eb6580: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 60.253860][ T4321] ffff888023eb6600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 60.261902][ T4321] ================================================================== [ 60.269931][ T4321] Disabling lock debugging due to kernel taint [ 60.278172][ T1324] Bluetooth: hci0: command 0x040f tx timeout [ 60.283267][ T4321] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 60.291330][ T4321] CPU: 0 PID: 4321 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 60.299890][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 60.309915][ T4321] Call Trace: [ 60.313167][ T4321] [ 60.316070][ T4321] dump_stack_lvl+0x168/0x230 [ 60.320720][ T4321] ? show_regs_print_info+0x20/0x20 [ 60.325888][ T4321] ? load_image+0x3b0/0x3b0 [ 60.330365][ T4321] panic+0x2c9/0x7f0 [ 60.334233][ T4321] ? bpf_jit_dump+0xd0/0xd0 [ 60.338704][ T4321] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 60.344567][ T4321] ? _raw_spin_unlock+0x40/0x40 [ 60.349388][ T4321] ? print_memory_metadata+0x314/0x400 [ 60.354818][ T4321] ? ax25_fillin_cb+0x459/0x640 [ 60.359638][ T4321] check_panic_on_warn+0x80/0xa0 [ 60.364547][ T4321] ? ax25_fillin_cb+0x459/0x640 [ 60.369367][ T4321] end_report+0x6d/0xf0 [ 60.373499][ T4321] kasan_report+0x102/0x130 [ 60.377976][ T4321] ? ax25_fillin_cb+0x459/0x640 [ 60.382799][ T4321] ax25_fillin_cb+0x459/0x640 [ 60.387447][ T4321] ax25_setsockopt+0x8a2/0xa40 [ 60.392181][ T4321] ? ax25_shutdown+0x10/0x10 [ 60.396743][ T4321] ? aa_sock_opt_perm+0x74/0x100 [ 60.401649][ T4321] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 60.407165][ T4321] ? security_socket_setsockopt+0x7a/0xa0 [ 60.412853][ T4321] ? ax25_shutdown+0x10/0x10 [ 60.417418][ T4321] __sys_setsockopt+0x2bf/0x3d0 [ 60.422253][ T4321] __x64_sys_setsockopt+0xb1/0xc0 [ 60.427257][ T4321] do_syscall_64+0x4c/0xa0 [ 60.431647][ T4321] ? clear_bhb_loop+0x30/0x80 [ 60.436294][ T4321] ? clear_bhb_loop+0x30/0x80 [ 60.440945][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.446820][ T4321] RIP: 0033:0x7f1af4504ba9 [ 60.451218][ T4321] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 60.470800][ T4321] RSP: 002b:00007fff3dd95148 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 60.479189][ T4321] RAX: ffffffffffffffda RBX: 00007f1af474bfa0 RCX: 00007f1af4504ba9 [ 60.487141][ T4321] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 60.495086][ T4321] RBP: 00007f1af4587e19 R08: 0000000000000010 R09: 0000000000000000 [ 60.503032][ T4321] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.510978][ T4321] R13: 00007f1af474bfa0 R14: 00007f1af474bfa0 R15: 0000000000000005 [ 60.518928][ T4321] [ 60.522098][ T4321] Kernel Offset: disabled [ 60.526410][ T4321] Rebooting in 86400 seconds..