Warning: Permanently added '10.128.1.73' (ED25519) to the list of known hosts. 2026/02/10 22:10:36 parsed 1 programs [ 55.995764][ T4189] cgroup: Unknown subsys name 'net' [ 56.157053][ T4189] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 57.418081][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 58.943115][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.951173][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.973594][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.987586][ T633] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.995655][ T633] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.003250][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.628009][ T4234] chnl_net:caif_netlink_parms(): no params data found [ 59.689577][ T4234] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.697374][ T4234] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.707042][ T4234] device bridge_slave_0 entered promiscuous mode [ 59.716814][ T4234] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.725360][ T4234] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.738820][ T4234] device bridge_slave_1 entered promiscuous mode [ 59.763499][ T4234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.776498][ T4234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.802449][ T4234] team0: Port device team_slave_0 added [ 59.810123][ T4234] team0: Port device team_slave_1 added [ 59.832377][ T4234] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.839528][ T4234] 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. [ 59.865542][ T4234] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.879121][ T4234] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.886148][ T4234] 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. [ 59.913206][ T4234] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.951483][ T4234] device hsr_slave_0 entered promiscuous mode [ 59.959470][ T4234] device hsr_slave_1 entered promiscuous mode [ 60.089382][ T4234] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.101726][ T4234] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.112463][ T4234] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.123430][ T4234] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.200297][ T4234] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.215521][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.224483][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.235781][ T4234] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.246958][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.257382][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.266620][ T633] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.273879][ T633] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.283499][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.305247][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.314088][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.322818][ T633] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.329870][ T633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.339648][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.348526][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.357736][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.367416][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.376126][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.386027][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.394650][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.412610][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.421667][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.435808][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.445386][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.456575][ T4234] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.549561][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.558323][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.574198][ T4234] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.625459][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.666142][ T4234] device veth0_vlan entered promiscuous mode [ 60.679354][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.702681][ T4234] device veth1_vlan entered promiscuous mode [ 60.714831][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.724703][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.733406][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.750855][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.759528][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.770539][ T4234] device veth0_macvtap entered promiscuous mode [ 60.779947][ T4234] device veth1_macvtap entered promiscuous mode [ 60.795303][ T4234] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.804296][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.813344][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.821724][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.832170][ T4234] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.841308][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.850797][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.860356][ T4234] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.869394][ T4234] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.878326][ T4234] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.887135][ T4234] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/10 22:10:44 executed programs: 0 [ 62.424247][ T4290] chnl_net:caif_netlink_parms(): no params data found [ 62.480343][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.489722][ T4290] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.498141][ T4290] device bridge_slave_0 entered promiscuous mode [ 62.509426][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.516906][ T4290] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.527450][ T4290] device bridge_slave_1 entered promiscuous mode [ 62.551640][ T4290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.565444][ T4290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.595144][ T4290] team0: Port device team_slave_0 added [ 62.603502][ T4290] team0: Port device team_slave_1 added [ 62.626091][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.635440][ T4290] 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. [ 62.664200][ T4290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.677335][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.686820][ T4290] 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. [ 62.715380][ T4290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.753910][ T4290] device hsr_slave_0 entered promiscuous mode [ 62.760779][ T4290] device hsr_slave_1 entered promiscuous mode [ 62.773865][ T4290] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.781934][ T4290] Cannot create hsr debugfs directory [ 62.865674][ T4290] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.352699][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 65.828275][ T4290] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.867954][ T4290] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.937369][ T4290] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.216879][ T4290] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.238447][ T4290] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.247206][ T4290] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.255921][ T4290] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.313685][ T4290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.328269][ T1225] device hsr_slave_0 left promiscuous mode [ 66.335539][ T1225] device hsr_slave_1 left promiscuous mode [ 66.343752][ T1225] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.351154][ T1225] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.359387][ T1225] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.366937][ T1225] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.374810][ T1225] device bridge_slave_1 left promiscuous mode [ 66.381892][ T1225] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.396347][ T1225] device bridge_slave_0 left promiscuous mode [ 66.402817][ T1225] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.420350][ T1225] device veth1_macvtap left promiscuous mode [ 66.426666][ T1225] device veth0_macvtap left promiscuous mode [ 66.434406][ T1225] device veth1_vlan left promiscuous mode [ 66.440283][ T1225] device veth0_vlan left promiscuous mode [ 66.442047][ T4258] Bluetooth: hci0: command 0x041b tx timeout [ 66.581713][ T1225] team0 (unregistering): Port device team_slave_1 removed [ 66.594413][ T1225] team0 (unregistering): Port device team_slave_0 removed [ 66.607234][ T1225] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.621598][ T1225] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.673886][ T1225] bond0 (unregistering): Released all slaves [ 66.721656][ T4290] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.729138][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.737842][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.751175][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.760210][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.769042][ T3087] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.776142][ T3087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.783879][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.795384][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.804346][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.819914][ T633] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.827044][ T633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.839841][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.850493][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.863468][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.872525][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.882662][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.900025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.911090][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.920264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.929740][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.938251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.946853][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.955899][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.040051][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.047862][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.058780][ T4290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.085005][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.094500][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.114109][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.123611][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.133549][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.141335][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.152697][ T4290] device veth0_vlan entered promiscuous mode [ 67.165309][ T4290] device veth1_vlan entered promiscuous mode [ 67.186294][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.195489][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.204728][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.213522][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.224248][ T4290] device veth0_macvtap entered promiscuous mode [ 67.234511][ T4290] device veth1_macvtap entered promiscuous mode [ 67.251153][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.259691][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.268141][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.276677][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.286686][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.300537][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.310468][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.319506][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.330255][ T4290] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.339488][ T4290] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.349547][ T4290] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.359071][ T4290] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.426191][ T3087] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.443355][ T3087] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.450903][ T633] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/02/10 22:10:49 executed programs: 2 [ 67.476445][ T633] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.485020][ T633] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.498016][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.565853][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 67.635226][ T4323] ================================================================== [ 67.643521][ T4323] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 67.650746][ T4323] Read of size 4 at addr ffff88802ac8c238 by task syz.0.19/4323 [ 67.658377][ T4323] [ 67.660722][ T4323] CPU: 1 PID: 4323 Comm: syz.0.19 Not tainted syzkaller #0 [ 67.667911][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 67.677966][ T4323] Call Trace: [ 67.681243][ T4323] [ 67.684172][ T4323] dump_stack_lvl+0x188/0x250 [ 67.688856][ T4323] ? show_regs_print_info+0x20/0x20 [ 67.694054][ T4323] ? _printk+0xda/0x130 [ 67.698215][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 67.703161][ T4323] ? load_image+0x400/0x400 [ 67.707854][ T4323] print_address_description+0x60/0x2d0 [ 67.713418][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 67.718272][ T4323] kasan_report+0xdf/0x130 [ 67.722691][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 67.727545][ T4323] ax25_fillin_cb+0x459/0x640 [ 67.732224][ T4323] ax25_setsockopt+0x8c9/0xa60 [ 67.736992][ T4323] ? ax25_shutdown+0x10/0x10 [ 67.741584][ T4323] ? aa_sock_opt_perm+0x74/0x100 [ 67.746522][ T4323] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 67.752065][ T4323] ? security_socket_setsockopt+0x7a/0xa0 [ 67.757782][ T4323] ? ax25_shutdown+0x10/0x10 [ 67.762369][ T4323] __sys_setsockopt+0x2bf/0x3d0 [ 67.767225][ T4323] __x64_sys_setsockopt+0xb1/0xc0 [ 67.772250][ T4323] do_syscall_64+0x4c/0xa0 [ 67.776660][ T4323] ? clear_bhb_loop+0x30/0x80 [ 67.781332][ T4323] ? clear_bhb_loop+0x30/0x80 [ 67.786007][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.791918][ T4323] RIP: 0033:0x7f6f78ad5f79 [ 67.796328][ T4323] 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 [ 67.815933][ T4323] RSP: 002b:00007ffd72dd43e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 67.824352][ T4323] RAX: ffffffffffffffda RBX: 00007f6f78d4ffa0 RCX: 00007f6f78ad5f79 [ 67.832323][ T4323] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 67.840296][ T4323] RBP: 00007f6f78b6c7e0 R08: 0000000000000010 R09: 0000000000000000 [ 67.848263][ T4323] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 67.856236][ T4323] R13: 00007f6f78d4ffac R14: 00007f6f78d4ffa0 R15: 00007f6f78d4ffa0 [ 67.864223][ T4323] [ 67.867233][ T4323] [ 67.869549][ T4323] Allocated by task 4321: [ 67.873863][ T4323] __kasan_kmalloc+0xb5/0xf0 [ 67.878453][ T4323] ax25_dev_device_up+0x50/0x580 [ 67.883485][ T4323] ax25_device_event+0x483/0x4f0 [ 67.888416][ T4323] raw_notifier_call_chain+0xcb/0x160 [ 67.893786][ T4323] __dev_notify_flags+0x194/0x300 [ 67.898804][ T4323] dev_change_flags+0xe3/0x1a0 [ 67.903563][ T4323] dev_ifsioc+0x130/0xd50 [ 67.907884][ T4323] dev_ioctl+0x545/0xe30 [ 67.912155][ T4323] sock_do_ioctl+0x245/0x320 [ 67.916739][ T4323] sock_ioctl+0x4d2/0x710 [ 67.921065][ T4323] __se_sys_ioctl+0xfa/0x170 [ 67.925649][ T4323] do_syscall_64+0x4c/0xa0 [ 67.930063][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.935948][ T4323] [ 67.938270][ T4323] Freed by task 4322: [ 67.942237][ T4323] kasan_set_track+0x4b/0x70 [ 67.946823][ T4323] kasan_set_free_info+0x1f/0x40 [ 67.951753][ T4323] ____kasan_slab_free+0xd5/0x110 [ 67.956773][ T4323] slab_free_freelist_hook+0xea/0x170 [ 67.962150][ T4323] kfree+0xef/0x2a0 [ 67.965952][ T4323] ax25_release+0x661/0x870 [ 67.970447][ T4323] sock_close+0xd5/0x240 [ 67.974695][ T4323] __fput+0x234/0x930 [ 67.978761][ T4323] task_work_run+0x125/0x1a0 [ 67.983348][ T4323] exit_to_user_mode_loop+0x10f/0x130 [ 67.988721][ T4323] exit_to_user_mode_prepare+0xee/0x180 [ 67.994264][ T4323] syscall_exit_to_user_mode+0x16/0x40 [ 67.999717][ T4323] do_syscall_64+0x58/0xa0 [ 68.004144][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.010048][ T4323] [ 68.012373][ T4323] The buggy address belongs to the object at ffff88802ac8c200 [ 68.012373][ T4323] which belongs to the cache kmalloc-192 of size 192 [ 68.026427][ T4323] The buggy address is located 56 bytes inside of [ 68.026427][ T4323] 192-byte region [ffff88802ac8c200, ffff88802ac8c2c0) [ 68.039622][ T4323] The buggy address belongs to the page: [ 68.045386][ T4323] page:ffffea0000ab2300 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ac8c [ 68.055543][ T4323] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 68.063111][ T4323] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016c41a00 [ 68.071785][ T4323] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 68.080358][ T4323] page dumped because: kasan: bad access detected [ 68.086759][ T4323] page_owner tracks the page as allocated [ 68.092453][ T4323] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4321, ts 67561495906, free_ts 67296456812 [ 68.108405][ T4323] get_page_from_freelist+0x1bbd/0x1ca0 [ 68.113940][ T4323] __alloc_pages+0x1ee/0x480 [ 68.118514][ T4323] new_slab+0xb6/0x4b0 [ 68.122564][ T4323] ___slab_alloc+0x80a/0xdd0 [ 68.127146][ T4323] __kmalloc_node+0x200/0x3b0 [ 68.131803][ T4323] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 68.137599][ T4323] slab_post_alloc_hook+0xba/0x380 [ 68.142690][ T4323] kmem_cache_alloc+0x100/0x290 [ 68.147532][ T4323] __d_alloc+0x2a/0x6f0 [ 68.151664][ T4323] d_alloc_parallel+0x7b/0x1330 [ 68.156490][ T4323] __lookup_slow+0x134/0x410 [ 68.161061][ T4323] lookup_slow+0x53/0x70 [ 68.165282][ T4323] walk_component+0x319/0x460 [ 68.169936][ T4323] link_path_walk+0x665/0xd70 [ 68.174587][ T4323] path_openat+0x28d/0x2fa0 [ 68.179069][ T4323] do_filp_open+0x1e2/0x410 [ 68.183550][ T4323] page last free stack trace: [ 68.188198][ T4323] free_unref_page_prepare+0x637/0x6c0 [ 68.193647][ T4323] free_unref_page+0x8f/0x2a0 [ 68.198339][ T4323] qlist_free_all+0x35/0x90 [ 68.202822][ T4323] kasan_quarantine_reduce+0x150/0x160 [ 68.208261][ T4323] __kasan_slab_alloc+0x2f/0xd0 [ 68.213089][ T4323] slab_post_alloc_hook+0x4c/0x380 [ 68.218178][ T4323] __kmalloc+0x127/0x330 [ 68.222399][ T4323] fib6_info_alloc+0x2e/0xe0 [ 68.226981][ T4323] ip6_route_info_create+0x44f/0x1210 [ 68.232340][ T4323] ip6_route_add+0x24/0x130 [ 68.236822][ T4323] addrconf_add_dev+0x295/0x3c0 [ 68.241644][ T4323] addrconf_init_auto_addrs+0x6a0/0xb00 [ 68.247253][ T4323] addrconf_notify+0xa6b/0xf00 [ 68.252010][ T4323] raw_notifier_call_chain+0xcb/0x160 [ 68.257366][ T4323] netdev_state_change+0xe0/0x160 [ 68.262370][ T4323] linkwatch_do_dev+0x10d/0x160 [ 68.267214][ T4323] [ 68.269516][ T4323] Memory state around the buggy address: [ 68.275120][ T4323] ffff88802ac8c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 68.283170][ T4323] ffff88802ac8c180: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 68.291262][ T4323] >ffff88802ac8c200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 68.299298][ T4323] ^ [ 68.305189][ T4323] ffff88802ac8c280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 68.313228][ T4323] ffff88802ac8c300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 68.321263][ T4323] ================================================================== [ 68.329297][ T4323] Disabling lock debugging due to kernel taint [ 68.340385][ T4323] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 68.347846][ T4323] CPU: 1 PID: 4323 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 68.356413][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 68.366448][ T4323] Call Trace: [ 68.369707][ T4323] [ 68.372613][ T4323] dump_stack_lvl+0x188/0x250 [ 68.377272][ T4323] ? show_regs_print_info+0x20/0x20 [ 68.382447][ T4323] ? load_image+0x400/0x400 [ 68.386932][ T4323] panic+0x2e5/0x810 [ 68.390808][ T4323] ? bpf_jit_dump+0xd0/0xd0 [ 68.395286][ T4323] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 68.401239][ T4323] ? _raw_spin_unlock+0x40/0x40 [ 68.406060][ T4323] ? print_memory_metadata+0x314/0x400 [ 68.411491][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 68.416317][ T4323] check_panic_on_warn+0x80/0xa0 [ 68.421231][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 68.426060][ T4323] end_report+0x6d/0xf0 [ 68.430195][ T4323] kasan_report+0x102/0x130 [ 68.434673][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 68.439513][ T4323] ax25_fillin_cb+0x459/0x640 [ 68.444163][ T4323] ax25_setsockopt+0x8c9/0xa60 [ 68.448900][ T4323] ? ax25_shutdown+0x10/0x10 [ 68.453463][ T4323] ? aa_sock_opt_perm+0x74/0x100 [ 68.458376][ T4323] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 68.463899][ T4323] ? security_socket_setsockopt+0x7a/0xa0 [ 68.469593][ T4323] ? ax25_shutdown+0x10/0x10 [ 68.474159][ T4323] __sys_setsockopt+0x2bf/0x3d0 [ 68.478998][ T4323] __x64_sys_setsockopt+0xb1/0xc0 [ 68.484001][ T4323] do_syscall_64+0x4c/0xa0 [ 68.488402][ T4323] ? clear_bhb_loop+0x30/0x80 [ 68.493057][ T4323] ? clear_bhb_loop+0x30/0x80 [ 68.497712][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.503581][ T4323] RIP: 0033:0x7f6f78ad5f79 [ 68.507974][ T4323] 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 [ 68.527560][ T4323] RSP: 002b:00007ffd72dd43e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 68.535952][ T4323] RAX: ffffffffffffffda RBX: 00007f6f78d4ffa0 RCX: 00007f6f78ad5f79 [ 68.543906][ T4323] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 68.551858][ T4323] RBP: 00007f6f78b6c7e0 R08: 0000000000000010 R09: 0000000000000000 [ 68.559809][ T4323] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 68.567783][ T4323] R13: 00007f6f78d4ffac R14: 00007f6f78d4ffa0 R15: 00007f6f78d4ffa0 [ 68.575738][ T4323] [ 68.579105][ T4323] Kernel Offset: disabled [ 68.583418][ T4323] Rebooting in 86400 seconds..