Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts. 2025/08/27 08:47:10 parsed 1 programs [ 63.853472][ T4187] cgroup: Unknown subsys name 'net' [ 63.977396][ T4187] cgroup: Unknown subsys name 'rlimit' [ 65.433813][ T4187] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 68.779745][ T4249] chnl_net:caif_netlink_parms(): no params data found [ 68.965271][ T4249] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.973064][ T4249] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.980979][ T4249] device bridge_slave_0 entered promiscuous mode [ 68.990314][ T4249] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.998443][ T4249] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.006393][ T4249] device bridge_slave_1 entered promiscuous mode [ 69.027628][ T4249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.038515][ T4249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.061764][ T4249] team0: Port device team_slave_0 added [ 69.068907][ T4249] team0: Port device team_slave_1 added [ 69.087038][ T4249] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.094159][ T4249] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.120150][ T4249] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.133174][ T4249] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.140144][ T4249] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.166115][ T4249] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.202379][ T4249] device hsr_slave_0 entered promiscuous mode [ 69.209097][ T4249] device hsr_slave_1 entered promiscuous mode [ 69.299260][ T4249] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.311520][ T4249] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.320721][ T4249] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.330303][ T4249] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.354743][ T4249] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.362064][ T4249] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.370115][ T4249] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.377254][ T4249] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.421701][ T4249] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.435552][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.447042][ T162] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.456055][ T162] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.464190][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.477924][ T4249] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.509411][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.518558][ T162] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.525703][ T162] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.536783][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.545409][ T1282] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.552503][ T1282] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.595188][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.604447][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.616608][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.650814][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.687122][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.696324][ T4249] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.796468][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.804742][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.841064][ T4249] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.859023][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.868436][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.885955][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.894877][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.903841][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.912151][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.923793][ T4249] device veth0_vlan entered promiscuous mode [ 69.957636][ T4249] device veth1_vlan entered promiscuous mode [ 69.976826][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.985183][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.994658][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.003216][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.014894][ T4249] device veth0_macvtap entered promiscuous mode [ 70.025481][ T4249] device veth1_macvtap entered promiscuous mode [ 70.058018][ T4249] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.065667][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.074384][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.082584][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.091183][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.104065][ T4249] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.111594][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.120447][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.148036][ T4249] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.158674][ T4249] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.167676][ T4249] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.176444][ T4249] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.298324][ T4249] syz-executor (4249) used greatest stack depth: 21184 bytes left [ 70.381631][ T162] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.389779][ T162] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.410002][ T1282] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.413595][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.426357][ T1282] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.438233][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/27 08:47:20 executed programs: 0 [ 71.235230][ T4294] chnl_net:caif_netlink_parms(): no params data found [ 71.307125][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.316776][ T4294] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.325266][ T4294] device bridge_slave_0 entered promiscuous mode [ 71.336976][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.344456][ T4294] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.356406][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.363036][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.374563][ T4294] device bridge_slave_1 entered promiscuous mode [ 71.403822][ T4294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.415223][ T4294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.450637][ T4294] team0: Port device team_slave_0 added [ 71.458660][ T4294] team0: Port device team_slave_1 added [ 71.488920][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.497185][ T4294] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.523482][ T4294] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.536645][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.543775][ T4294] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.570906][ T4294] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.608224][ T4294] device hsr_slave_0 entered promiscuous mode [ 71.615161][ T4294] device hsr_slave_1 entered promiscuous mode [ 71.622331][ T4294] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.630215][ T4294] Cannot create hsr debugfs directory [ 71.723501][ T4294] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.112455][ T4268] Bluetooth: hci0: command 0x0409 tx timeout [ 74.819632][ T4294] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.877478][ T4294] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.919689][ T4294] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.031157][ T4294] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.041491][ T4294] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.050272][ T4294] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.069962][ T4294] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.130957][ T4294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.150473][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.158806][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.169640][ T4294] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.179998][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.189689][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.194236][ T4268] Bluetooth: hci0: command 0x041b tx timeout [ 75.199732][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.210769][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.219486][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.237439][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.246235][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.255125][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.262342][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.273233][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.285380][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.308950][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.318595][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.328311][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.338349][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.347657][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.368926][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.377942][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.389284][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.399091][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.418233][ T4294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.523981][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.531535][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.544824][ T4294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.562427][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.571076][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.598541][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.609427][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.619542][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.629049][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.638789][ T4294] device veth0_vlan entered promiscuous mode [ 75.661139][ T4294] device veth1_vlan entered promiscuous mode [ 75.681122][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.689740][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.698619][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.707178][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.718157][ T4294] device veth0_macvtap entered promiscuous mode [ 75.734650][ T4294] device veth1_macvtap entered promiscuous mode [ 75.747115][ T9] device hsr_slave_0 left promiscuous mode [ 75.754972][ T9] device hsr_slave_1 left promiscuous mode [ 75.763091][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.770523][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.779353][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.787278][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.796220][ T9] device bridge_slave_1 left promiscuous mode [ 75.803415][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.817091][ T9] device bridge_slave_0 left promiscuous mode [ 75.823389][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.841811][ T9] device veth1_macvtap left promiscuous mode [ 75.848014][ T9] device veth0_macvtap left promiscuous mode [ 75.854169][ T9] device veth1_vlan left promiscuous mode [ 75.860068][ T9] device veth0_vlan left promiscuous mode [ 76.009714][ T9] team0 (unregistering): Port device team_slave_1 removed [ 76.022976][ T9] team0 (unregistering): Port device team_slave_0 removed [ 76.036240][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.049473][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.105568][ T9] bond0 (unregistering): Released all slaves [ 76.162864][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.171023][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.187561][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.195924][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.204921][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.215886][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.223626][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.232406][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.243239][ T4294] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.252436][ T4294] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.261153][ T4294] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.269909][ T4294] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.335639][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.350558][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.374971][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/08/27 08:47:25 executed programs: 2 [ 76.390149][ T1282] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.399163][ T1282] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.408759][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.451231][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 76.513896][ T4314] ================================================================== [ 76.522205][ T4314] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 76.529453][ T4314] Read of size 4 at addr ffff88814378b038 by task syz.0.19/4314 [ 76.537087][ T4314] [ 76.539419][ T4314] CPU: 1 PID: 4314 Comm: syz.0.19 Not tainted 5.15.189-syzkaller #0 [ 76.547401][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 76.557478][ T4314] Call Trace: [ 76.560756][ T4314] [ 76.563693][ T4314] dump_stack_lvl+0x168/0x230 [ 76.568383][ T4314] ? show_regs_print_info+0x20/0x20 [ 76.573593][ T4314] ? _printk+0xcc/0x110 [ 76.577754][ T4314] ? ax25_fillin_cb+0x459/0x640 [ 76.582613][ T4314] ? load_image+0x3b0/0x3b0 [ 76.587120][ T4314] print_address_description+0x60/0x2d0 [ 76.592669][ T4314] ? ax25_fillin_cb+0x459/0x640 [ 76.597522][ T4314] kasan_report+0xdf/0x130 [ 76.601939][ T4314] ? ax25_fillin_cb+0x459/0x640 [ 76.606795][ T4314] ax25_fillin_cb+0x459/0x640 [ 76.611478][ T4314] ax25_setsockopt+0x8a2/0xa40 [ 76.616245][ T4314] ? ax25_shutdown+0x10/0x10 [ 76.620836][ T4314] ? aa_sock_opt_perm+0x74/0x100 [ 76.625777][ T4314] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 76.631325][ T4314] ? security_socket_setsockopt+0x7a/0xa0 [ 76.637040][ T4314] ? ax25_shutdown+0x10/0x10 [ 76.641633][ T4314] __sys_setsockopt+0x2bf/0x3d0 [ 76.646489][ T4314] __x64_sys_setsockopt+0xb1/0xc0 [ 76.651518][ T4314] do_syscall_64+0x4c/0xa0 [ 76.655938][ T4314] ? clear_bhb_loop+0x30/0x80 [ 76.660616][ T4314] ? clear_bhb_loop+0x30/0x80 [ 76.665294][ T4314] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.671200][ T4314] RIP: 0033:0x7f2af72d5be9 [ 76.675621][ T4314] 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 [ 76.695225][ T4314] RSP: 002b:00007fffe1729248 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 76.703650][ T4314] RAX: ffffffffffffffda RBX: 00007f2af74fcfa0 RCX: 00007f2af72d5be9 [ 76.711639][ T4314] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 76.719611][ T4314] RBP: 00007f2af7358e19 R08: 0000000000000010 R09: 0000000000000000 [ 76.727595][ T4314] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 76.735567][ T4314] R13: 00007f2af74fcfa0 R14: 00007f2af74fcfa0 R15: 0000000000000005 [ 76.743549][ T4314] [ 76.746566][ T4314] [ 76.748887][ T4314] Allocated by task 4312: [ 76.753208][ T4314] __kasan_kmalloc+0xb5/0xf0 [ 76.757801][ T4314] ax25_dev_device_up+0x50/0x580 [ 76.762748][ T4314] ax25_device_event+0x483/0x4f0 [ 76.767682][ T4314] raw_notifier_call_chain+0xcb/0x160 [ 76.773053][ T4314] __dev_notify_flags+0x178/0x2d0 [ 76.778105][ T4314] dev_change_flags+0xe3/0x1a0 [ 76.782882][ T4314] dev_ifsioc+0x147/0xe70 [ 76.787210][ T4314] dev_ioctl+0x55f/0xe50 [ 76.791450][ T4314] sock_do_ioctl+0x222/0x2f0 [ 76.796038][ T4314] sock_ioctl+0x4ed/0x6e0 [ 76.800362][ T4314] __se_sys_ioctl+0xfa/0x170 [ 76.804949][ T4314] do_syscall_64+0x4c/0xa0 [ 76.809363][ T4314] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.815254][ T4314] [ 76.817574][ T4314] Freed by task 4313: [ 76.821547][ T4314] kasan_set_track+0x4b/0x70 [ 76.826135][ T4314] kasan_set_free_info+0x1f/0x40 [ 76.831072][ T4314] ____kasan_slab_free+0xd5/0x110 [ 76.836089][ T4314] slab_free_freelist_hook+0xea/0x170 [ 76.841454][ T4314] kfree+0xef/0x2a0 [ 76.845257][ T4314] ax25_release+0x661/0x870 [ 76.849760][ T4314] sock_close+0xd5/0x240 [ 76.853999][ T4314] __fput+0x234/0x930 [ 76.857977][ T4314] task_work_run+0x125/0x1a0 [ 76.862568][ T4314] exit_to_user_mode_loop+0x10f/0x130 [ 76.867938][ T4314] exit_to_user_mode_prepare+0xb1/0x140 [ 76.873484][ T4314] syscall_exit_to_user_mode+0x16/0x40 [ 76.878946][ T4314] do_syscall_64+0x58/0xa0 [ 76.883360][ T4314] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.889252][ T4314] [ 76.891574][ T4314] The buggy address belongs to the object at ffff88814378b000 [ 76.891574][ T4314] which belongs to the cache kmalloc-192 of size 192 [ 76.905635][ T4314] The buggy address is located 56 bytes inside of [ 76.905635][ T4314] 192-byte region [ffff88814378b000, ffff88814378b0c0) [ 76.918823][ T4314] The buggy address belongs to the page: [ 76.924448][ T4314] page:ffffea00050de2c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14378b [ 76.934678][ T4314] flags: 0x57ff00000000200(slab|node=1|zone=2|lastcpupid=0x7ff) [ 76.942309][ T4314] raw: 057ff00000000200 dead000000000100 dead000000000122 ffff888016841a00 [ 76.950893][ T4314] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 76.959467][ T4314] page dumped because: kasan: bad access detected [ 76.965902][ T4314] page_owner tracks the page as allocated [ 76.971608][ T4314] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 2564140575, free_ts 0 [ 76.986451][ T4314] get_page_from_freelist+0x1b77/0x1c60 [ 76.991996][ T4314] __alloc_pages+0x1e1/0x470 [ 76.996584][ T4314] alloc_page_interleave+0x24/0x1e0 [ 77.001783][ T4314] new_slab+0xc0/0x4b0 [ 77.005848][ T4314] ___slab_alloc+0x81e/0xdf0 [ 77.010426][ T4314] kmem_cache_alloc_trace+0x1a5/0x2a0 [ 77.015804][ T4314] call_usermodehelper_setup+0x8a/0x260 [ 77.021356][ T4314] kobject_uevent_env+0x65e/0x890 [ 77.026374][ T4314] kernel_add_sysfs_param+0xfb/0x120 [ 77.031661][ T4314] param_sysfs_builtin+0x164/0x1e0 [ 77.036770][ T4314] param_sysfs_init+0x66/0x70 [ 77.041445][ T4314] do_one_initcall+0x1ee/0x680 [ 77.046201][ T4314] do_initcall_level+0x137/0x1f0 [ 77.051130][ T4314] do_initcalls+0x4b/0x90 [ 77.055449][ T4314] kernel_init_freeable+0x3ce/0x560 [ 77.060639][ T4314] kernel_init+0x19/0x1b0 [ 77.064966][ T4314] page_owner free stack trace missing [ 77.070324][ T4314] [ 77.072641][ T4314] Memory state around the buggy address: [ 77.078264][ T4314] ffff88814378af00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 77.086320][ T4314] ffff88814378af80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 77.094382][ T4314] >ffff88814378b000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 77.102461][ T4314] ^ [ 77.108350][ T4314] ffff88814378b080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 77.116414][ T4314] ffff88814378b100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 77.124470][ T4314] ================================================================== [ 77.132519][ T4314] Disabling lock debugging due to kernel taint [ 77.141634][ T4314] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 77.148877][ T4314] CPU: 0 PID: 4314 Comm: syz.0.19 Tainted: G B 5.15.189-syzkaller #0 [ 77.158286][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 77.168336][ T4314] Call Trace: [ 77.171635][ T4314] [ 77.174570][ T4314] dump_stack_lvl+0x168/0x230 [ 77.179278][ T4314] ? show_regs_print_info+0x20/0x20 [ 77.184484][ T4314] ? load_image+0x3b0/0x3b0 [ 77.188996][ T4314] panic+0x2c9/0x7f0 [ 77.192892][ T4314] ? bpf_jit_dump+0xd0/0xd0 [ 77.197408][ T4314] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 77.203299][ T4314] ? _raw_spin_unlock+0x40/0x40 [ 77.208146][ T4314] ? print_memory_metadata+0x314/0x400 [ 77.213602][ T4314] ? ax25_fillin_cb+0x459/0x640 [ 77.218452][ T4314] check_panic_on_warn+0x80/0xa0 [ 77.223411][ T4314] ? ax25_fillin_cb+0x459/0x640 [ 77.228258][ T4314] end_report+0x6d/0xf0 [ 77.232419][ T4314] kasan_report+0x102/0x130 [ 77.236917][ T4314] ? ax25_fillin_cb+0x459/0x640 [ 77.241770][ T4314] ax25_fillin_cb+0x459/0x640 [ 77.246460][ T4314] ax25_setsockopt+0x8a2/0xa40 [ 77.251221][ T4314] ? ax25_shutdown+0x10/0x10 [ 77.255809][ T4314] ? aa_sock_opt_perm+0x74/0x100 [ 77.260775][ T4314] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 77.266312][ T4314] ? security_socket_setsockopt+0x7a/0xa0 [ 77.272033][ T4314] ? ax25_shutdown+0x10/0x10 [ 77.276613][ T4314] __sys_setsockopt+0x2bf/0x3d0 [ 77.281455][ T4314] __x64_sys_setsockopt+0xb1/0xc0 [ 77.286474][ T4314] do_syscall_64+0x4c/0xa0 [ 77.290886][ T4314] ? clear_bhb_loop+0x30/0x80 [ 77.295552][ T4314] ? clear_bhb_loop+0x30/0x80 [ 77.300221][ T4314] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.306109][ T4314] RIP: 0033:0x7f2af72d5be9 [ 77.310535][ T4314] 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 [ 77.330145][ T4314] RSP: 002b:00007fffe1729248 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 77.338552][ T4314] RAX: ffffffffffffffda RBX: 00007f2af74fcfa0 RCX: 00007f2af72d5be9 [ 77.346518][ T4314] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 77.354483][ T4314] RBP: 00007f2af7358e19 R08: 0000000000000010 R09: 0000000000000000 [ 77.362445][ T4314] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 77.370418][ T4314] R13: 00007f2af74fcfa0 R14: 00007f2af74fcfa0 R15: 0000000000000005 [ 77.378503][ T4314] [ 77.381857][ T4314] Kernel Offset: disabled [ 77.386188][ T4314] Rebooting in 86400 seconds..