Warning: Permanently added '10.128.1.31' (ED25519) to the list of known hosts. 2025/07/25 16:15:10 ignoring optional flag "sandboxArg"="0" 2025/07/25 16:15:11 parsed 1 programs [ 57.541167][ T4189] cgroup: Unknown subsys name 'net' [ 57.698272][ T4189] cgroup: Unknown subsys name 'rlimit' [ 59.059128][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 61.113559][ T4222] chnl_net:caif_netlink_parms(): no params data found [ 61.181070][ T4222] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.190171][ T4222] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.199012][ T4222] device bridge_slave_0 entered promiscuous mode [ 61.210187][ T4222] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.217404][ T4222] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.226645][ T4222] device bridge_slave_1 entered promiscuous mode [ 61.258700][ T4222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.270916][ T4222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.305628][ T4222] team0: Port device team_slave_0 added [ 61.314198][ T4222] team0: Port device team_slave_1 added [ 61.339121][ T4222] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.347558][ T4222] 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. [ 61.375559][ T4222] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.389647][ T4222] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.398036][ T4222] 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. [ 61.425332][ T4222] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.466294][ T4222] device hsr_slave_0 entered promiscuous mode [ 61.475153][ T4222] device hsr_slave_1 entered promiscuous mode [ 61.607860][ T4222] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.621940][ T4222] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.633519][ T4222] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.646321][ T4222] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.682730][ T4222] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.690073][ T4222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.698753][ T4222] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.705927][ T4222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.771732][ T4222] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.790268][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.806508][ T145] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.817894][ T145] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.826494][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.839106][ T4222] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.869001][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.878888][ T145] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.886141][ T145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.894627][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.903520][ T145] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.910674][ T145] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.920215][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.931143][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.951603][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.960469][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.972593][ T4222] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.985330][ T4222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.999200][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.101214][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.111267][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.124324][ T4222] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.146814][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.156027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.226118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.235321][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.245105][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.254259][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.265693][ T4222] device veth0_vlan entered promiscuous mode [ 62.284157][ T4222] device veth1_vlan entered promiscuous mode [ 62.303945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.312422][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.321233][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.330012][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.341881][ T4222] device veth0_macvtap entered promiscuous mode [ 62.352798][ T4222] device veth1_macvtap entered promiscuous mode [ 62.368148][ T4222] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.377955][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.386620][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.395855][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.405877][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.425845][ T4222] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.434213][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.443385][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.469767][ T4222] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.480922][ T4222] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.493639][ T4222] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.505236][ T4222] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.598053][ T4222] syz-executor (4222) used greatest stack depth: 21184 bytes left [ 63.067063][ T145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.083194][ T145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.096569][ T1219] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.098896][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.114223][ T1219] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.126777][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/07/25 16:15:19 executed programs: 0 [ 64.152302][ T4284] chnl_net:caif_netlink_parms(): no params data found [ 64.210046][ T4284] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.217417][ T4284] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.225524][ T4284] device bridge_slave_0 entered promiscuous mode [ 64.234770][ T4284] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.242250][ T4284] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.256259][ T4284] device bridge_slave_1 entered promiscuous mode [ 64.281100][ T4284] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.293691][ T4284] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.321825][ T4284] team0: Port device team_slave_0 added [ 64.331017][ T4284] team0: Port device team_slave_1 added [ 64.364447][ T4284] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.371525][ T4284] 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. [ 64.398946][ T4284] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.413423][ T4284] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.420499][ T4284] 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. [ 64.447543][ T4284] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.478434][ T4284] device hsr_slave_0 entered promiscuous mode [ 64.486721][ T4284] device hsr_slave_1 entered promiscuous mode [ 64.494461][ T4284] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.502640][ T4284] Cannot create hsr debugfs directory [ 64.533826][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.084219][ T2362] Bluetooth: hci0: command 0x0409 tx timeout [ 67.529277][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.609784][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.691629][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.173074][ T4316] Bluetooth: hci0: command 0x041b tx timeout [ 68.545031][ T4284] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.554880][ T4284] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.564996][ T4284] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.574269][ T4284] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.639595][ T4284] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.671222][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.680446][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.690505][ T4284] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.700807][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.710244][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.719329][ T145] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.726433][ T145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.748496][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.757201][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.766331][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.776606][ T145] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.784004][ T145] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.792102][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.818219][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.828604][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.838768][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.855278][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.865588][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.875514][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.885684][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.894884][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.904492][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.913651][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.923507][ T4284] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.037512][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.046383][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.060484][ T4284] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.095416][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.104618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.142163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.151954][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.162255][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.170520][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.179161][ T4284] device veth0_vlan entered promiscuous mode [ 69.192001][ T4284] device veth1_vlan entered promiscuous mode [ 69.226277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.235686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.244070][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.252500][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.271897][ T4284] device veth0_macvtap entered promiscuous mode [ 69.281819][ T4284] device veth1_macvtap entered promiscuous mode [ 69.306837][ T4284] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.318208][ T4284] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.329546][ T4284] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.337771][ T1219] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.346625][ T1219] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.355261][ T1219] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.364483][ T1219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.376564][ T4284] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.387247][ T4284] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.398583][ T4284] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.411912][ T4284] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.425474][ T4284] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.434816][ T4284] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.448562][ T4284] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.461470][ T1219] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.472337][ T1219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.486765][ T144] device hsr_slave_0 left promiscuous mode [ 69.495231][ T144] device hsr_slave_1 left promiscuous mode [ 69.502372][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.511412][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.521646][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.534365][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.543254][ T144] device bridge_slave_1 left promiscuous mode [ 69.551211][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.566080][ T144] device bridge_slave_0 left promiscuous mode [ 69.572459][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.589646][ T144] device veth1_macvtap left promiscuous mode [ 69.597003][ T144] device veth0_macvtap left promiscuous mode [ 69.604662][ T144] device veth1_vlan left promiscuous mode [ 69.611034][ T144] device veth0_vlan left promiscuous mode [ 69.761745][ T144] team0 (unregistering): Port device team_slave_1 removed [ 69.777357][ T144] team0 (unregistering): Port device team_slave_0 removed [ 69.791645][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 69.804923][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 69.857511][ T144] bond0 (unregistering): Released all slaves [ 69.954109][ T145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.962254][ T145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.985785][ T1219] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.987609][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.995607][ T1219] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.016168][ T1219] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/07/25 16:15:25 executed programs: 2 [ 70.074812][ T4347] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 70.145358][ T4349] ================================================================== [ 70.153808][ T4349] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 70.161307][ T4349] Read of size 4 at addr ffff88802349b538 by task syz.0.18/4349 [ 70.169016][ T4349] [ 70.171363][ T4349] CPU: 0 PID: 4349 Comm: syz.0.18 Not tainted 5.15.189-syzkaller #0 [ 70.179613][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.189767][ T4349] Call Trace: [ 70.193559][ T4349] [ 70.196684][ T4349] dump_stack_lvl+0x168/0x230 [ 70.201550][ T4349] ? show_regs_print_info+0x20/0x20 [ 70.206744][ T4349] ? _printk+0xcc/0x110 [ 70.211182][ T4349] ? ax25_fillin_cb+0x459/0x640 [ 70.216052][ T4349] ? load_image+0x3b0/0x3b0 [ 70.220590][ T4349] print_address_description+0x60/0x2d0 [ 70.226240][ T4349] ? ax25_fillin_cb+0x459/0x640 [ 70.231146][ T4349] kasan_report+0xdf/0x130 [ 70.235554][ T4349] ? ax25_fillin_cb+0x459/0x640 [ 70.240397][ T4349] ax25_fillin_cb+0x459/0x640 [ 70.243117][ T4316] Bluetooth: hci0: command 0x040f tx timeout [ 70.245350][ T4349] ax25_setsockopt+0x8a2/0xa40 [ 70.258639][ T4349] ? ax25_shutdown+0x10/0x10 [ 70.263707][ T4349] ? aa_sock_opt_perm+0x74/0x100 [ 70.268956][ T4349] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 70.274634][ T4349] ? security_socket_setsockopt+0x7a/0xa0 [ 70.281087][ T4349] ? ax25_shutdown+0x10/0x10 [ 70.286171][ T4349] __sys_setsockopt+0x2bf/0x3d0 [ 70.291268][ T4349] __x64_sys_setsockopt+0xb1/0xc0 [ 70.296309][ T4349] do_syscall_64+0x4c/0xa0 [ 70.301011][ T4349] ? clear_bhb_loop+0x30/0x80 [ 70.306270][ T4349] ? clear_bhb_loop+0x30/0x80 [ 70.311226][ T4349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.317711][ T4349] RIP: 0033:0x7f586955f9a9 [ 70.322255][ T4349] 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 [ 70.342042][ T4349] RSP: 002b:00007ffebd5b4808 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 70.350728][ T4349] RAX: ffffffffffffffda RBX: 00007f5869786fa0 RCX: 00007f586955f9a9 [ 70.358834][ T4349] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 70.366895][ T4349] RBP: 00007f58695e1d69 R08: 0000000000000010 R09: 0000000000000000 [ 70.374871][ T4349] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 70.383046][ T4349] R13: 00007f5869786fa0 R14: 00007f5869786fa0 R15: 0000000000000005 [ 70.391208][ T4349] [ 70.394233][ T4349] [ 70.396638][ T4349] Allocated by task 4347: [ 70.401044][ T4349] __kasan_kmalloc+0xb5/0xf0 [ 70.405719][ T4349] ax25_dev_device_up+0x50/0x580 [ 70.410644][ T4349] ax25_device_event+0x483/0x4f0 [ 70.415570][ T4349] raw_notifier_call_chain+0xcb/0x160 [ 70.420943][ T4349] __dev_notify_flags+0x178/0x2d0 [ 70.425962][ T4349] dev_change_flags+0xe3/0x1a0 [ 70.430805][ T4349] dev_ifsioc+0x147/0xe70 [ 70.435125][ T4349] dev_ioctl+0x55f/0xe50 [ 70.439351][ T4349] sock_do_ioctl+0x222/0x2f0 [ 70.443954][ T4349] sock_ioctl+0x4ed/0x6e0 [ 70.448270][ T4349] __se_sys_ioctl+0xfa/0x170 [ 70.452935][ T4349] do_syscall_64+0x4c/0xa0 [ 70.457366][ T4349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.463247][ T4349] [ 70.465553][ T4349] Freed by task 4348: [ 70.469902][ T4349] kasan_set_track+0x4b/0x70 [ 70.474527][ T4349] kasan_set_free_info+0x1f/0x40 [ 70.479486][ T4349] ____kasan_slab_free+0xd5/0x110 [ 70.484510][ T4349] slab_free_freelist_hook+0xea/0x170 [ 70.489962][ T4349] kfree+0xef/0x2a0 [ 70.494032][ T4349] ax25_release+0x661/0x870 [ 70.500444][ T4349] sock_close+0xd5/0x240 [ 70.506462][ T4349] __fput+0x234/0x930 [ 70.511829][ T4349] task_work_run+0x125/0x1a0 [ 70.516963][ T4349] exit_to_user_mode_loop+0x10f/0x130 [ 70.522438][ T4349] exit_to_user_mode_prepare+0xb1/0x140 [ 70.527997][ T4349] syscall_exit_to_user_mode+0x16/0x40 [ 70.533639][ T4349] do_syscall_64+0x58/0xa0 [ 70.538123][ T4349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.544023][ T4349] [ 70.546340][ T4349] The buggy address belongs to the object at ffff88802349b500 [ 70.546340][ T4349] which belongs to the cache kmalloc-192 of size 192 [ 70.560557][ T4349] The buggy address is located 56 bytes inside of [ 70.560557][ T4349] 192-byte region [ffff88802349b500, ffff88802349b5c0) [ 70.573832][ T4349] The buggy address belongs to the page: [ 70.579519][ T4349] page:ffffea00008d26c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2349b [ 70.589653][ T4349] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 70.597302][ T4349] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 [ 70.605875][ T4349] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 70.614527][ T4349] page dumped because: kasan: bad access detected [ 70.620969][ T4349] page_owner tracks the page as allocated [ 70.626678][ T4349] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4284, ts 70064854522, free_ts 69222858335 [ 70.642637][ T4349] get_page_from_freelist+0x1b77/0x1c60 [ 70.648185][ T4349] __alloc_pages+0x1e1/0x470 [ 70.652767][ T4349] new_slab+0xb6/0x4b0 [ 70.656835][ T4349] ___slab_alloc+0x81e/0xdf0 [ 70.661411][ T4349] __kmalloc_node+0x200/0x3b0 [ 70.666074][ T4349] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 70.671966][ T4349] slab_post_alloc_hook+0xba/0x380 [ 70.677165][ T4349] kmem_cache_alloc+0x100/0x290 [ 70.682085][ T4349] sock_alloc_inode+0x17/0xb0 [ 70.686740][ T4349] new_inode_pseudo+0x5f/0x210 [ 70.691511][ T4349] __sock_create+0x129/0x900 [ 70.696089][ T4349] __sys_socket+0xe2/0x170 [ 70.700503][ T4349] __x64_sys_socket+0x76/0x80 [ 70.705162][ T4349] do_syscall_64+0x4c/0xa0 [ 70.709561][ T4349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.715436][ T4349] page last free stack trace: [ 70.720084][ T4349] free_unref_page_prepare+0x637/0x6c0 [ 70.725539][ T4349] free_unref_page+0x94/0x280 [ 70.730294][ T4349] __unfreeze_partials+0x1a5/0x200 [ 70.735380][ T4349] put_cpu_partial+0x12d/0x190 [ 70.740127][ T4349] qlist_free_all+0x35/0x90 [ 70.744695][ T4349] kasan_quarantine_reduce+0x150/0x160 [ 70.750722][ T4349] __kasan_slab_alloc+0x2f/0xd0 [ 70.755667][ T4349] slab_post_alloc_hook+0x4c/0x380 [ 70.760859][ T4349] kmem_cache_alloc+0x100/0x290 [ 70.766246][ T4349] sock_alloc_inode+0x17/0xb0 [ 70.771777][ T4349] new_inode_pseudo+0x5f/0x210 [ 70.777157][ T4349] __sock_create+0x129/0x900 [ 70.782273][ T4349] __sys_socket+0xe2/0x170 [ 70.786976][ T4349] __x64_sys_socket+0x76/0x80 [ 70.792473][ T4349] do_syscall_64+0x4c/0xa0 [ 70.797033][ T4349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.803074][ T4349] [ 70.805406][ T4349] Memory state around the buggy address: [ 70.811035][ T4349] ffff88802349b400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 70.819387][ T4349] ffff88802349b480: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 70.827526][ T4349] >ffff88802349b500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 70.835576][ T4349] ^ [ 70.841728][ T4349] ffff88802349b580: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 70.850474][ T4349] ffff88802349b600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 70.858739][ T4349] ================================================================== [ 70.867253][ T4349] Disabling lock debugging due to kernel taint [ 70.879399][ T4349] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 70.886808][ T4349] CPU: 0 PID: 4349 Comm: syz.0.18 Tainted: G B 5.15.189-syzkaller #0 [ 70.896844][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.907171][ T4349] Call Trace: [ 70.910441][ T4349] [ 70.913373][ T4349] dump_stack_lvl+0x168/0x230 [ 70.918157][ T4349] ? show_regs_print_info+0x20/0x20 [ 70.923432][ T4349] ? load_image+0x3b0/0x3b0 [ 70.928236][ T4349] panic+0x2c9/0x7f0 [ 70.932511][ T4349] ? bpf_jit_dump+0xd0/0xd0 [ 70.937013][ T4349] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 70.942903][ T4349] ? _raw_spin_unlock+0x40/0x40 [ 70.947985][ T4349] ? print_memory_metadata+0x314/0x400 [ 70.953554][ T4349] ? ax25_fillin_cb+0x459/0x640 [ 70.958450][ T4349] check_panic_on_warn+0x80/0xa0 [ 70.963386][ T4349] ? ax25_fillin_cb+0x459/0x640 [ 70.968355][ T4349] end_report+0x6d/0xf0 [ 70.972701][ T4349] kasan_report+0x102/0x130 [ 70.977302][ T4349] ? ax25_fillin_cb+0x459/0x640 [ 70.982159][ T4349] ax25_fillin_cb+0x459/0x640 [ 70.987054][ T4349] ax25_setsockopt+0x8a2/0xa40 [ 70.991917][ T4349] ? ax25_shutdown+0x10/0x10 [ 70.996775][ T4349] ? aa_sock_opt_perm+0x74/0x100 [ 71.002279][ T4349] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 71.007873][ T4349] ? security_socket_setsockopt+0x7a/0xa0 [ 71.015970][ T4349] ? ax25_shutdown+0x10/0x10 [ 71.024653][ T4349] __sys_setsockopt+0x2bf/0x3d0 [ 71.030105][ T4349] __x64_sys_setsockopt+0xb1/0xc0 [ 71.035145][ T4349] do_syscall_64+0x4c/0xa0 [ 71.039568][ T4349] ? clear_bhb_loop+0x30/0x80 [ 71.044258][ T4349] ? clear_bhb_loop+0x30/0x80 [ 71.048930][ T4349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.054900][ T4349] RIP: 0033:0x7f586955f9a9 [ 71.059405][ T4349] 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 [ 71.079200][ T4349] RSP: 002b:00007ffebd5b4808 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 71.087619][ T4349] RAX: ffffffffffffffda RBX: 00007f5869786fa0 RCX: 00007f586955f9a9 [ 71.095756][ T4349] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 71.103720][ T4349] RBP: 00007f58695e1d69 R08: 0000000000000010 R09: 0000000000000000 [ 71.112038][ T4349] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 71.120096][ T4349] R13: 00007f5869786fa0 R14: 00007f5869786fa0 R15: 0000000000000005 [ 71.128177][ T4349] [ 71.131504][ T4349] Kernel Offset: disabled [ 71.135830][ T4349] Rebooting in 86400 seconds..