Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts. 2026/04/16 08:51:43 parsed 1 programs [ 68.050649][ T4188] cgroup: Unknown subsys name 'net' [ 68.184807][ T4188] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 69.646439][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 71.262486][ T1425] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.269292][ T1425] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.844186][ T4214] chnl_net:caif_netlink_parms(): no params data found [ 71.908105][ T4214] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.915960][ T4214] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.925523][ T4214] device bridge_slave_0 entered promiscuous mode [ 71.935344][ T4214] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.943746][ T4214] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.952130][ T4214] device bridge_slave_1 entered promiscuous mode [ 71.980891][ T4214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.993306][ T4214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.021085][ T4214] team0: Port device team_slave_0 added [ 72.029504][ T4214] team0: Port device team_slave_1 added [ 72.052951][ T4214] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.061335][ T4214] 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. [ 72.087762][ T4214] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.103882][ T4214] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.114122][ T4214] 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. [ 72.140420][ T4214] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.189041][ T4214] device hsr_slave_0 entered promiscuous mode [ 72.196053][ T4214] device hsr_slave_1 entered promiscuous mode [ 72.338620][ T4214] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.350450][ T4214] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.362515][ T4214] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.374039][ T4214] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.455014][ T4214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.471633][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.481655][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.495663][ T4214] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.506894][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.517065][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.527413][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.534748][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.545643][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.561320][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.570681][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.583256][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.590407][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.610010][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.621266][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.630212][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.641526][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.661559][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.670194][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.679098][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.687876][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.702377][ T4214] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.715018][ T4214] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.724073][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.862566][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.870984][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.885152][ T4214] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.910175][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.934464][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.944990][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.953525][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.965061][ T4214] device veth0_vlan entered promiscuous mode [ 72.980239][ T4214] device veth1_vlan entered promiscuous mode [ 73.009737][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.018556][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.027975][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.040728][ T4214] device veth0_macvtap entered promiscuous mode [ 73.052512][ T4214] device veth1_macvtap entered promiscuous mode [ 73.071469][ T4214] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.079876][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.088310][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.097918][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.111352][ T4214] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.123010][ T4214] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.132302][ T4214] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.142876][ T4214] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.152268][ T4214] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.164262][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.173807][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.287538][ T4214] syz-executor (4214) used greatest stack depth: 20120 bytes left [ 73.456236][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.552695][ T548] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.560898][ T548] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.574371][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.595212][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.603266][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.611303][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.225220][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.464419][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.507117][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.590039][ T144] device hsr_slave_0 left promiscuous mode [ 79.617418][ T144] device hsr_slave_1 left promiscuous mode [ 79.624572][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.632793][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.642152][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.651564][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.661046][ T144] device bridge_slave_1 left promiscuous mode [ 79.668020][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.683867][ T144] device bridge_slave_0 left promiscuous mode [ 79.690518][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.709475][ T144] device veth1_macvtap left promiscuous mode [ 79.715733][ T144] device veth0_macvtap left promiscuous mode [ 79.721990][ T144] device veth1_vlan left promiscuous mode [ 79.728071][ T144] device veth0_vlan left promiscuous mode [ 79.889682][ T144] team0 (unregistering): Port device team_slave_1 removed [ 79.902867][ T144] team0 (unregistering): Port device team_slave_0 removed [ 79.916151][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.931880][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.986885][ T144] bond0 (unregistering): Released all slaves 2026/04/16 08:51:59 executed programs: 0 [ 81.633404][ T4347] chnl_net:caif_netlink_parms(): no params data found [ 81.733445][ T4347] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.742943][ T4347] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.751538][ T4347] device bridge_slave_0 entered promiscuous mode [ 81.761408][ T4347] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.768611][ T4347] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.776753][ T4347] device bridge_slave_1 entered promiscuous mode [ 81.806753][ T4347] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.819883][ T4347] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.850045][ T4347] team0: Port device team_slave_0 added [ 81.859214][ T4347] team0: Port device team_slave_1 added [ 81.882472][ T4347] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.889722][ T4347] 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. [ 81.915841][ T4347] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.928466][ T4347] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.935434][ T4347] 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. [ 81.961501][ T4347] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.028126][ T4347] device hsr_slave_0 entered promiscuous mode [ 82.035438][ T4347] device hsr_slave_1 entered promiscuous mode [ 82.843559][ T4347] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.853457][ T4347] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.865602][ T4347] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.875595][ T4347] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.946434][ T4347] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.961479][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.971474][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.982740][ T4347] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.995320][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.006221][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.016857][ T1273] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.023981][ T1273] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.041081][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.049609][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.059404][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.067863][ T1273] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.074965][ T1273] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.085094][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.104175][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.113984][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.123892][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.134319][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.144522][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.161236][ T4347] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.171726][ T4347] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.184773][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.194251][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.202999][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.212938][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.223119][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.237050][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.384142][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.393033][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.406743][ T4347] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.459290][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.470300][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.499065][ T1108] Bluetooth: hci0: command 0x0409 tx timeout [ 83.531279][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.540878][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.552983][ T4347] device veth0_vlan entered promiscuous mode [ 83.570373][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.578287][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.591796][ T4347] device veth1_vlan entered promiscuous mode [ 83.629299][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.653154][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.664435][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.676404][ T4347] device veth0_macvtap entered promiscuous mode [ 83.688064][ T4347] device veth1_macvtap entered promiscuous mode [ 83.740911][ T4347] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.748301][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.759398][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.767507][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.778000][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.793257][ T4347] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.802666][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.812536][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.831424][ T4347] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.842456][ T4347] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.851448][ T4347] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.860597][ T4347] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.995048][ T548] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.008447][ T548] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.017934][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.065451][ T1273] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.079473][ T1273] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.087063][ T548] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.192024][ T4455] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 84.312527][ T4459] ================================================================== [ 84.320917][ T4459] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 84.328154][ T4459] Read of size 4 at addr ffff88802030c538 by task syz.0.19/4459 [ 84.335814][ T4459] [ 84.338175][ T4459] CPU: 1 PID: 4459 Comm: syz.0.19 Not tainted syzkaller #0 [ 84.345389][ T4459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.355473][ T4459] Call Trace: [ 84.358788][ T4459] [ 84.361745][ T4459] dump_stack_lvl+0x188/0x250 [ 84.366450][ T4459] ? show_regs_print_info+0x20/0x20 [ 84.371675][ T4459] ? _printk+0xda/0x130 [ 84.375850][ T4459] ? ax25_fillin_cb+0x459/0x640 [ 84.380748][ T4459] ? load_image+0x400/0x400 [ 84.385296][ T4459] print_address_description+0x60/0x2d0 [ 84.391036][ T4459] ? ax25_fillin_cb+0x459/0x640 [ 84.395924][ T4459] kasan_report+0xdf/0x130 [ 84.400373][ T4459] ? ax25_fillin_cb+0x459/0x640 [ 84.405341][ T4459] ax25_fillin_cb+0x459/0x640 [ 84.410047][ T4459] ax25_setsockopt+0x8c9/0xa60 [ 84.414855][ T4459] ? ax25_shutdown+0x10/0x10 [ 84.419480][ T4459] ? aa_sock_opt_perm+0x74/0x100 [ 84.424477][ T4459] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 84.430043][ T4459] ? security_socket_setsockopt+0x7a/0xa0 [ 84.435796][ T4459] ? ax25_shutdown+0x10/0x10 [ 84.440422][ T4459] __sys_setsockopt+0x2bf/0x3d0 [ 84.445323][ T4459] __x64_sys_setsockopt+0xb1/0xc0 [ 84.450388][ T4459] do_syscall_64+0x4c/0xa0 [ 84.454840][ T4459] ? clear_bhb_loop+0x30/0x80 [ 84.459544][ T4459] ? clear_bhb_loop+0x30/0x80 [ 84.464254][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.470199][ T4459] RIP: 0033:0x7f6660f7d819 [ 84.474654][ T4459] 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 [ 84.494301][ T4459] RSP: 002b:00007ffe40d44388 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 84.502792][ T4459] RAX: ffffffffffffffda RBX: 00007f66611f6fa0 RCX: 00007f6660f7d819 [ 84.510806][ T4459] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 84.518831][ T4459] RBP: 00007f6661013c91 R08: 0000000000000010 R09: 0000000000000000 [ 84.526828][ T4459] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 84.534822][ T4459] R13: 00007f66611f6fac R14: 00007f66611f6fa0 R15: 00007f66611f6fa0 [ 84.542837][ T4459] [ 84.545871][ T4459] [ 84.548206][ T4459] Allocated by task 4455: [ 84.552664][ T4459] __kasan_kmalloc+0xb5/0xf0 [ 84.557319][ T4459] ax25_dev_device_up+0x50/0x580 [ 84.562278][ T4459] ax25_device_event+0x483/0x4f0 [ 84.567227][ T4459] raw_notifier_call_chain+0xcb/0x160 [ 84.572611][ T4459] __dev_notify_flags+0x194/0x300 [ 84.577650][ T4459] dev_change_flags+0xe3/0x1a0 [ 84.582466][ T4459] dev_ifsioc+0x130/0xd50 [ 84.586806][ T4459] dev_ioctl+0x545/0xe30 [ 84.591070][ T4459] sock_do_ioctl+0x245/0x320 [ 84.595687][ T4459] sock_ioctl+0x4d2/0x710 [ 84.600082][ T4459] __se_sys_ioctl+0xfa/0x170 [ 84.604687][ T4459] do_syscall_64+0x4c/0xa0 [ 84.609116][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.615029][ T4459] [ 84.617380][ T4459] Freed by task 4457: [ 84.621372][ T4459] kasan_set_track+0x4b/0x70 [ 84.625985][ T4459] kasan_set_free_info+0x1f/0x40 [ 84.630949][ T4459] ____kasan_slab_free+0xd5/0x110 [ 84.636017][ T4459] slab_free_freelist_hook+0xea/0x170 [ 84.641413][ T4459] kfree+0xef/0x2a0 [ 84.645250][ T4459] ax25_release+0x661/0x870 [ 84.649782][ T4459] sock_close+0xd5/0x240 [ 84.654063][ T4459] __fput+0x234/0x930 [ 84.658060][ T4459] task_work_run+0x125/0x1a0 [ 84.662665][ T4459] exit_to_user_mode_loop+0x10f/0x130 [ 84.668055][ T4459] exit_to_user_mode_prepare+0xee/0x180 [ 84.673611][ T4459] syscall_exit_to_user_mode+0x16/0x40 [ 84.679111][ T4459] do_syscall_64+0x58/0xa0 [ 84.683550][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.689479][ T4459] [ 84.691824][ T4459] The buggy address belongs to the object at ffff88802030c500 [ 84.691824][ T4459] which belongs to the cache kmalloc-192 of size 192 [ 84.705899][ T4459] The buggy address is located 56 bytes inside of [ 84.705899][ T4459] 192-byte region [ffff88802030c500, ffff88802030c5c0) [ 84.719097][ T4459] The buggy address belongs to the page: [ 84.724749][ T4459] page:ffffea000080c300 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2030c [ 84.734914][ T4459] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 84.742501][ T4459] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016c41a00 [ 84.751104][ T4459] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 84.759705][ T4459] page dumped because: kasan: bad access detected [ 84.766142][ T4459] page_owner tracks the page as allocated [ 84.771864][ T4459] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4347, ts 84172810879, free_ts 84172469547 [ 84.787852][ T4459] get_page_from_freelist+0x1bbd/0x1ca0 [ 84.793416][ T4459] __alloc_pages+0x1ee/0x480 [ 84.798022][ T4459] new_slab+0xb6/0x4b0 [ 84.802141][ T4459] ___slab_alloc+0x80a/0xdd0 [ 84.806793][ T4459] __kmalloc_node+0x200/0x3b0 [ 84.811487][ T4459] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 84.817318][ T4459] slab_post_alloc_hook+0xba/0x380 [ 84.822448][ T4459] kmem_cache_alloc+0x100/0x290 [ 84.827318][ T4459] dup_fd+0x53/0xc70 [ 84.831240][ T4459] copy_files+0x72/0xe0 [ 84.835427][ T4459] copy_process+0x16aa/0x3e20 [ 84.840124][ T4459] kernel_clone+0x23f/0x990 [ 84.844760][ T4459] __x64_sys_clone+0x19a/0x210 [ 84.849563][ T4459] do_syscall_64+0x4c/0xa0 [ 84.854003][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.859931][ T4459] page last free stack trace: [ 84.864626][ T4459] free_unref_page_prepare+0x637/0x6c0 [ 84.870106][ T4459] free_unref_page+0x8f/0x2a0 [ 84.874806][ T4459] __vunmap+0x8b9/0xa50 [ 84.878988][ T4459] __do_replace+0x85b/0x9c0 [ 84.883510][ T4459] do_ip6t_set_ctl+0xaaa/0xd90 [ 84.888326][ T4459] nf_setsockopt+0x25f/0x280 [ 84.892938][ T4459] ipv6_setsockopt+0x2086/0x3cc0 [ 84.897891][ T4459] tcp_setsockopt+0x240/0x1e90 [ 84.902666][ T4459] __sys_setsockopt+0x2bf/0x3d0 [ 84.907531][ T4459] __x64_sys_setsockopt+0xb1/0xc0 [ 84.912572][ T4459] do_syscall_64+0x4c/0xa0 [ 84.917008][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.922923][ T4459] [ 84.925268][ T4459] Memory state around the buggy address: [ 84.930915][ T4459] ffff88802030c400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.938998][ T4459] ffff88802030c480: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc [ 84.947071][ T4459] >ffff88802030c500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 84.955140][ T4459] ^ [ 84.961055][ T4459] ffff88802030c580: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 84.969139][ T4459] ffff88802030c600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.977235][ T4459] ================================================================== [ 84.985311][ T4459] Disabling lock debugging due to kernel taint [ 84.993596][ T4459] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 85.000825][ T4459] CPU: 0 PID: 4459 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 85.009448][ T4459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.019520][ T4459] Call Trace: [ 85.022819][ T4459] [ 85.025784][ T4459] dump_stack_lvl+0x188/0x250 [ 85.030493][ T4459] ? show_regs_print_info+0x20/0x20 [ 85.035726][ T4459] ? load_image+0x400/0x400 [ 85.040279][ T4459] panic+0x2e5/0x810 [ 85.044245][ T4459] ? bpf_jit_dump+0xd0/0xd0 [ 85.048781][ T4459] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 85.054811][ T4459] ? _raw_spin_unlock+0x40/0x40 [ 85.059688][ T4459] ? print_memory_metadata+0x314/0x400 [ 85.065176][ T4459] ? ax25_fillin_cb+0x459/0x640 [ 85.070061][ T4459] check_panic_on_warn+0x80/0xa0 [ 85.075062][ T4459] ? ax25_fillin_cb+0x459/0x640 [ 85.079939][ T4459] end_report+0x6d/0xf0 [ 85.084114][ T4459] kasan_report+0x102/0x130 [ 85.088650][ T4459] ? ax25_fillin_cb+0x459/0x640 [ 85.093534][ T4459] ax25_fillin_cb+0x459/0x640 [ 85.098258][ T4459] ax25_setsockopt+0x8c9/0xa60 [ 85.103057][ T4459] ? ax25_shutdown+0x10/0x10 [ 85.107675][ T4459] ? aa_sock_opt_perm+0x74/0x100 [ 85.112630][ T4459] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 85.118219][ T4459] ? security_socket_setsockopt+0x7a/0xa0 [ 85.123968][ T4459] ? ax25_shutdown+0x10/0x10 [ 85.128580][ T4459] __sys_setsockopt+0x2bf/0x3d0 [ 85.133459][ T4459] __x64_sys_setsockopt+0xb1/0xc0 [ 85.138510][ T4459] do_syscall_64+0x4c/0xa0 [ 85.142951][ T4459] ? clear_bhb_loop+0x30/0x80 [ 85.147660][ T4459] ? clear_bhb_loop+0x30/0x80 [ 85.152365][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.158290][ T4459] RIP: 0033:0x7f6660f7d819 [ 85.162993][ T4459] 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 [ 85.182637][ T4459] RSP: 002b:00007ffe40d44388 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 85.191083][ T4459] RAX: ffffffffffffffda RBX: 00007f66611f6fa0 RCX: 00007f6660f7d819 [ 85.199093][ T4459] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 85.207094][ T4459] RBP: 00007f6661013c91 R08: 0000000000000010 R09: 0000000000000000 [ 85.215093][ T4459] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 85.223087][ T4459] R13: 00007f66611f6fac R14: 00007f66611f6fa0 R15: 00007f66611f6fa0 [ 85.231106][ T4459] [ 85.234485][ T4459] Kernel Offset: disabled [ 85.238837][ T4459] Rebooting in 86400 seconds..