Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts. 2025/12/20 09:02:21 parsed 1 programs [ 54.523241][ T4187] cgroup: Unknown subsys name 'net' [ 54.656878][ T4187] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 56.013266][ T4187] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 59.210753][ T4254] chnl_net:caif_netlink_parms(): no params data found [ 59.272151][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.279492][ T4254] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.288376][ T4254] device bridge_slave_0 entered promiscuous mode [ 59.296646][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.303975][ T4254] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.311558][ T4254] device bridge_slave_1 entered promiscuous mode [ 59.331087][ T4254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.341550][ T4254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.361583][ T4254] team0: Port device team_slave_0 added [ 59.368590][ T4254] team0: Port device team_slave_1 added [ 59.385126][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.392152][ T4254] 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. [ 59.418291][ T4254] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.430713][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.437684][ T4254] 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. [ 59.463688][ T4254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.507053][ T4254] device hsr_slave_0 entered promiscuous mode [ 59.513763][ T4254] device hsr_slave_1 entered promiscuous mode [ 59.630328][ T4254] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.640893][ T4254] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.649809][ T4254] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.658946][ T4254] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.697180][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.704343][ T4254] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.711946][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.718998][ T4254] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.775457][ T4254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.786849][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.797174][ T1391] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.806526][ T1391] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.814331][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.826459][ T4254] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.837183][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.846067][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.853240][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.881136][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.890615][ T1391] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.897688][ T1391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.913743][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.924307][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.936722][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.966066][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.976977][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.987948][ T4254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.081231][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.089134][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.101308][ T4254] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.135140][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.151562][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.160332][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.169311][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.178842][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.188482][ T4254] device veth0_vlan entered promiscuous mode [ 60.201020][ T4254] device veth1_vlan entered promiscuous mode [ 60.222543][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.230931][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.239820][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.248599][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.260515][ T4254] device veth0_macvtap entered promiscuous mode [ 60.270590][ T4254] device veth1_macvtap entered promiscuous mode [ 60.287973][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.296040][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.304704][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.313486][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.322301][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.334456][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.342641][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.351497][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.363118][ T4254] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.372495][ T4254] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.381196][ T4254] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.390580][ T4254] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.517551][ T4254] syz-executor (4254) used greatest stack depth: 20320 bytes left [ 60.607865][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.630884][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.639426][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.648846][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.659143][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.669459][ T4289] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/12/20 09:02:30 executed programs: 0 [ 61.396614][ T4298] chnl_net:caif_netlink_parms(): no params data found [ 61.439836][ T4298] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.447031][ T4298] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.455820][ T4298] device bridge_slave_0 entered promiscuous mode [ 61.464795][ T4298] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.472167][ T4298] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.480016][ T4298] device bridge_slave_1 entered promiscuous mode [ 61.505535][ T4298] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.516777][ T4298] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.548914][ T4298] team0: Port device team_slave_0 added [ 61.558489][ T4298] team0: Port device team_slave_1 added [ 61.576377][ T4298] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.583525][ T4298] 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. [ 61.609628][ T4298] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.622886][ T4298] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.629822][ T4298] 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. [ 61.655858][ T4298] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.689166][ T4298] device hsr_slave_0 entered promiscuous mode [ 61.696934][ T4298] device hsr_slave_1 entered promiscuous mode [ 61.703985][ T4298] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.711748][ T4298] Cannot create hsr debugfs directory [ 61.743082][ T1167] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.292513][ T4264] Bluetooth: hci0: command 0x0409 tx timeout [ 64.636785][ T1167] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.372152][ T4264] Bluetooth: hci0: command 0x041b tx timeout [ 65.675974][ T1167] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.728238][ T1167] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.510164][ T4298] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.520207][ T4298] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.528650][ T4298] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.537775][ T4298] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.591498][ T4298] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.611925][ T4289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.620159][ T4289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.630600][ T4298] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.654237][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.663415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.671799][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.678897][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.687167][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.696912][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.705655][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.714083][ T1391] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.721116][ T1391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.740457][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.751173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.770247][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.779620][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.788467][ T1391] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.799037][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.807799][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.823918][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.834216][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.844702][ T4298] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.856146][ T4298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.865584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.874092][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.886507][ T1167] device hsr_slave_0 left promiscuous mode [ 66.893540][ T1167] device hsr_slave_1 left promiscuous mode [ 66.900028][ T1167] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.907583][ T1167] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.915723][ T1167] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.923228][ T1167] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.930695][ T1167] device bridge_slave_1 left promiscuous mode [ 66.937361][ T1167] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.949077][ T1167] device bridge_slave_0 left promiscuous mode [ 66.955368][ T1167] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.970428][ T1167] device veth1_macvtap left promiscuous mode [ 66.976862][ T1167] device veth0_macvtap left promiscuous mode [ 66.983019][ T1167] device veth1_vlan left promiscuous mode [ 66.988839][ T1167] device veth0_vlan left promiscuous mode [ 67.114018][ T1167] team0 (unregistering): Port device team_slave_1 removed [ 67.128674][ T1167] team0 (unregistering): Port device team_slave_0 removed [ 67.140746][ T1167] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.153755][ T1167] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.200210][ T1167] bond0 (unregistering): Released all slaves [ 67.335708][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.343604][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.357370][ T4298] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.380852][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.389602][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.405992][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.414287][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.423399][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.430971][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.440594][ T4298] device veth0_vlan entered promiscuous mode [ 67.452198][ T4316] Bluetooth: hci0: command 0x040f tx timeout [ 67.458494][ T4298] device veth1_vlan entered promiscuous mode [ 67.480856][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.489502][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.497840][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.506603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.517301][ T4298] device veth0_macvtap entered promiscuous mode [ 67.526565][ T4298] device veth1_macvtap entered promiscuous mode [ 67.542380][ T4298] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.549784][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.558328][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.566318][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.575377][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.586147][ T4298] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.595012][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.604067][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.614450][ T4298] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.623483][ T4298] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.632377][ T4298] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.641071][ T4298] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.690481][ T150] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.712896][ T150] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.720482][ T4289] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.730380][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/12/20 09:02:37 executed programs: 2 [ 67.738941][ T4289] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.747760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.801018][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 67.874954][ T4353] ================================================================== [ 67.883269][ T4353] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 67.890480][ T4353] Read of size 4 at addr ffff888075035e38 by task syz.0.19/4353 [ 67.898156][ T4353] [ 67.900492][ T4353] CPU: 0 PID: 4353 Comm: syz.0.19 Not tainted syzkaller #0 [ 67.907684][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 67.917746][ T4353] Call Trace: [ 67.921039][ T4353] [ 67.923974][ T4353] dump_stack_lvl+0x168/0x230 [ 67.928695][ T4353] ? show_regs_print_info+0x20/0x20 [ 67.933924][ T4353] ? _printk+0xcc/0x110 [ 67.938114][ T4353] ? ax25_fillin_cb+0x459/0x640 [ 67.942982][ T4353] ? load_image+0x3b0/0x3b0 [ 67.947494][ T4353] print_address_description+0x60/0x2d0 [ 67.953042][ T4353] ? ax25_fillin_cb+0x459/0x640 [ 67.957923][ T4353] kasan_report+0xdf/0x130 [ 67.962344][ T4353] ? ax25_fillin_cb+0x459/0x640 [ 67.967209][ T4353] ax25_fillin_cb+0x459/0x640 [ 67.971891][ T4353] ax25_setsockopt+0x8a2/0xa40 [ 67.976696][ T4353] ? ax25_shutdown+0x10/0x10 [ 67.981295][ T4353] ? aa_sock_opt_perm+0x74/0x100 [ 67.986278][ T4353] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 67.991827][ T4353] ? security_socket_setsockopt+0x7a/0xa0 [ 67.997547][ T4353] ? ax25_shutdown+0x10/0x10 [ 68.002139][ T4353] __sys_setsockopt+0x2bf/0x3d0 [ 68.007005][ T4353] __x64_sys_setsockopt+0xb1/0xc0 [ 68.012030][ T4353] do_syscall_64+0x4c/0xa0 [ 68.016459][ T4353] ? clear_bhb_loop+0x30/0x80 [ 68.021134][ T4353] ? clear_bhb_loop+0x30/0x80 [ 68.025826][ T4353] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.031731][ T4353] RIP: 0033:0x7fef8893d749 [ 68.036152][ T4353] 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 [ 68.055760][ T4353] RSP: 002b:00007fffbfb27d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 68.064178][ T4353] RAX: ffffffffffffffda RBX: 00007fef88b93fa0 RCX: 00007fef8893d749 [ 68.072150][ T4353] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 68.080120][ T4353] RBP: 00007fef889c1f91 R08: 0000000000000010 R09: 0000000000000000 [ 68.088089][ T4353] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.096071][ T4353] R13: 00007fef88b93fa0 R14: 00007fef88b93fa0 R15: 0000000000000005 [ 68.104056][ T4353] [ 68.107079][ T4353] [ 68.109397][ T4353] Allocated by task 4351: [ 68.113730][ T4353] __kasan_kmalloc+0xb5/0xf0 [ 68.118330][ T4353] ax25_dev_device_up+0x50/0x580 [ 68.123268][ T4353] ax25_device_event+0x483/0x4f0 [ 68.128211][ T4353] raw_notifier_call_chain+0xcb/0x160 [ 68.133589][ T4353] __dev_notify_flags+0x178/0x2d0 [ 68.138627][ T4353] dev_change_flags+0xe3/0x1a0 [ 68.143435][ T4353] dev_ifsioc+0x147/0xe70 [ 68.147772][ T4353] dev_ioctl+0x55f/0xe50 [ 68.152011][ T4353] sock_do_ioctl+0x222/0x2f0 [ 68.156617][ T4353] sock_ioctl+0x4ed/0x6e0 [ 68.160958][ T4353] __se_sys_ioctl+0xfa/0x170 [ 68.165549][ T4353] do_syscall_64+0x4c/0xa0 [ 68.169968][ T4353] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.175863][ T4353] [ 68.178195][ T4353] Freed by task 4352: [ 68.182173][ T4353] kasan_set_track+0x4b/0x70 [ 68.186759][ T4353] kasan_set_free_info+0x1f/0x40 [ 68.191704][ T4353] ____kasan_slab_free+0xd5/0x110 [ 68.196729][ T4353] slab_free_freelist_hook+0xea/0x170 [ 68.202100][ T4353] kfree+0xef/0x2a0 [ 68.205904][ T4353] ax25_release+0x661/0x870 [ 68.210410][ T4353] sock_close+0xd5/0x240 [ 68.214650][ T4353] __fput+0x234/0x930 [ 68.218630][ T4353] task_work_run+0x125/0x1a0 [ 68.223218][ T4353] exit_to_user_mode_loop+0x10f/0x130 [ 68.228596][ T4353] exit_to_user_mode_prepare+0xee/0x180 [ 68.234144][ T4353] syscall_exit_to_user_mode+0x16/0x40 [ 68.239605][ T4353] do_syscall_64+0x58/0xa0 [ 68.244028][ T4353] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.249918][ T4353] [ 68.252235][ T4353] The buggy address belongs to the object at ffff888075035e00 [ 68.252235][ T4353] which belongs to the cache kmalloc-192 of size 192 [ 68.266279][ T4353] The buggy address is located 56 bytes inside of [ 68.266279][ T4353] 192-byte region [ffff888075035e00, ffff888075035ec0) [ 68.279467][ T4353] The buggy address belongs to the page: [ 68.285100][ T4353] page:ffffea0001d40d40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x75035 [ 68.295257][ T4353] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 68.302842][ T4353] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 [ 68.311425][ T4353] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 68.320033][ T4353] page dumped because: kasan: bad access detected [ 68.326445][ T4353] page_owner tracks the page as allocated [ 68.332156][ T4353] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4298, ts 67688636539, free_ts 67677806938 [ 68.348133][ T4353] get_page_from_freelist+0x1b77/0x1c60 [ 68.353699][ T4353] __alloc_pages+0x1e1/0x470 [ 68.358290][ T4353] new_slab+0xb6/0x4b0 [ 68.362354][ T4353] ___slab_alloc+0x81e/0xdf0 [ 68.366939][ T4353] __kmalloc_node+0x200/0x3b0 [ 68.371613][ T4353] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 68.377425][ T4353] new_slab+0x100/0x4b0 [ 68.381591][ T4353] ___slab_alloc+0x81e/0xdf0 [ 68.386175][ T4353] kmem_cache_alloc+0x195/0x290 [ 68.391021][ T4353] __d_alloc+0x2a/0x6f0 [ 68.395183][ T4353] d_alloc_parallel+0x7b/0x1330 [ 68.400040][ T4353] __lookup_slow+0x113/0x3d0 [ 68.404626][ T4353] lookup_one_len+0x18e/0x2c0 [ 68.409340][ T4353] start_creating+0x184/0x310 [ 68.414027][ T4353] __debugfs_create_file+0x6f/0x510 [ 68.419229][ T4353] ieee80211_debugfs_add_netdev+0x1ff/0xec0 [ 68.425122][ T4353] page last free stack trace: [ 68.429793][ T4353] free_unref_page_prepare+0x637/0x6c0 [ 68.435252][ T4353] free_unref_page+0x94/0x280 [ 68.439927][ T4353] __unfreeze_partials+0x1a5/0x200 [ 68.445051][ T4353] put_cpu_partial+0x12d/0x190 [ 68.449813][ T4353] qlist_free_all+0x35/0x90 [ 68.454325][ T4353] kasan_quarantine_reduce+0x150/0x160 [ 68.459783][ T4353] __kasan_slab_alloc+0x2f/0xd0 [ 68.464634][ T4353] slab_post_alloc_hook+0x4c/0x380 [ 68.469740][ T4353] __kmalloc_track_caller+0x125/0x330 [ 68.475111][ T4353] kvasprintf+0xd4/0x180 [ 68.479362][ T4353] kobject_set_name_vargs+0x5d/0x110 [ 68.484642][ T4353] dev_set_name+0xd1/0x120 [ 68.489069][ T4353] rfkill_register+0xa8/0x8a0 [ 68.493752][ T4353] wiphy_register+0x23ba/0x2b20 [ 68.498606][ T4353] ieee80211_register_hw+0x29b1/0x39d0 [ 68.504075][ T4353] mac80211_hwsim_new_radio+0x20d3/0x4080 [ 68.509794][ T4353] [ 68.512116][ T4353] Memory state around the buggy address: [ 68.517750][ T4353] ffff888075035d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 68.525828][ T4353] ffff888075035d80: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc [ 68.533891][ T4353] >ffff888075035e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 68.541950][ T4353] ^ [ 68.547840][ T4353] ffff888075035e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 68.555904][ T4353] ffff888075035f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 68.563969][ T4353] ================================================================== [ 68.572018][ T4353] Disabling lock debugging due to kernel taint [ 68.588916][ T4353] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 68.596120][ T4353] CPU: 0 PID: 4353 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 68.604720][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 68.614770][ T4353] Call Trace: [ 68.618043][ T4353] [ 68.620967][ T4353] dump_stack_lvl+0x168/0x230 [ 68.625639][ T4353] ? show_regs_print_info+0x20/0x20 [ 68.630832][ T4353] ? load_image+0x3b0/0x3b0 [ 68.635338][ T4353] panic+0x2c9/0x7f0 [ 68.639227][ T4353] ? bpf_jit_dump+0xd0/0xd0 [ 68.643723][ T4353] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 68.649603][ T4353] ? _raw_spin_unlock+0x40/0x40 [ 68.654435][ T4353] ? print_memory_metadata+0x314/0x400 [ 68.659881][ T4353] ? ax25_fillin_cb+0x459/0x640 [ 68.664722][ T4353] check_panic_on_warn+0x80/0xa0 [ 68.669656][ T4353] ? ax25_fillin_cb+0x459/0x640 [ 68.674489][ T4353] end_report+0x6d/0xf0 [ 68.678631][ T4353] kasan_report+0x102/0x130 [ 68.683126][ T4353] ? ax25_fillin_cb+0x459/0x640 [ 68.687969][ T4353] ax25_fillin_cb+0x459/0x640 [ 68.692635][ T4353] ax25_setsockopt+0x8a2/0xa40 [ 68.697427][ T4353] ? ax25_shutdown+0x10/0x10 [ 68.702001][ T4353] ? aa_sock_opt_perm+0x74/0x100 [ 68.706933][ T4353] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 68.712471][ T4353] ? security_socket_setsockopt+0x7a/0xa0 [ 68.718171][ T4353] ? ax25_shutdown+0x10/0x10 [ 68.722747][ T4353] __sys_setsockopt+0x2bf/0x3d0 [ 68.727582][ T4353] __x64_sys_setsockopt+0xb1/0xc0 [ 68.732590][ T4353] do_syscall_64+0x4c/0xa0 [ 68.736989][ T4353] ? clear_bhb_loop+0x30/0x80 [ 68.741649][ T4353] ? clear_bhb_loop+0x30/0x80 [ 68.746312][ T4353] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.752193][ T4353] RIP: 0033:0x7fef8893d749 [ 68.756592][ T4353] 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 [ 68.776177][ T4353] RSP: 002b:00007fffbfb27d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 68.784570][ T4353] RAX: ffffffffffffffda RBX: 00007fef88b93fa0 RCX: 00007fef8893d749 [ 68.792535][ T4353] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 68.800489][ T4353] RBP: 00007fef889c1f91 R08: 0000000000000010 R09: 0000000000000000 [ 68.808445][ T4353] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.816402][ T4353] R13: 00007fef88b93fa0 R14: 00007fef88b93fa0 R15: 0000000000000005 [ 68.824363][ T4353] [ 68.827622][ T4353] Kernel Offset: disabled [ 68.831949][ T4353] Rebooting in 86400 seconds..