[ 81.879280][ T155] device veth1_macvtap left promiscuous mode [ 81.885442][ T155] device veth0_macvtap left promiscuous mode [ 81.892938][ T155] device veth1_vlan left promiscuous mode [ 81.899290][ T155] device veth0_vlan left promiscuous mode [ 82.016521][ T155] team0 (unregistering): Port device team_slave_1 removed [ 82.029594][ T155] team0 (unregistering): Port device team_slave_0 removed [ 82.045180][ T155] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.059118][ T155] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 82.106022][ T155] bond0 (unregistering): Released all slaves [ 86.851187][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.39' (ED25519) to the list of known hosts. 2026/05/12 09:36:26 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 101.173026][ T4623] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 102.945636][ T4656] chnl_net:caif_netlink_parms(): no params data found [ 102.985418][ T4656] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.993327][ T4656] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.003083][ T4656] device bridge_slave_0 entered promiscuous mode [ 103.013839][ T4656] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.021673][ T4656] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.029940][ T4656] device bridge_slave_1 entered promiscuous mode [ 103.047182][ T4656] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.060071][ T4656] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.086858][ T4656] team0: Port device team_slave_0 added [ 103.095508][ T4656] team0: Port device team_slave_1 added [ 103.115605][ T4656] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.122899][ T4656] 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. [ 103.150483][ T4656] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.164123][ T4656] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.171609][ T4656] 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. [ 103.198956][ T4656] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.235302][ T4656] device hsr_slave_0 entered promiscuous mode [ 103.242422][ T4656] device hsr_slave_1 entered promiscuous mode [ 103.833520][ T4656] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.860173][ T4656] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.879709][ T4656] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.901234][ T4656] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.015366][ T4656] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.047897][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.065436][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.091891][ T4656] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.112962][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.126348][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.138094][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.145328][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.179070][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 104.200403][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 104.211594][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 104.222568][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.229706][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.251272][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 104.269822][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 104.290474][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 104.311131][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 104.330212][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 104.350566][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 104.368992][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 104.377368][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 104.387431][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 104.396466][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 104.407256][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 104.425309][ T4656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 104.591023][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 104.598530][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 104.613648][ T4656] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.728566][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 104.738344][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 104.777092][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 104.787483][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 104.814218][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 104.823188][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 104.836879][ T4656] device veth0_vlan entered promiscuous mode [ 104.850287][ T4656] device veth1_vlan entered promiscuous mode [ 104.874342][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 104.884841][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 104.893901][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 104.904777][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 104.917625][ T4656] device veth0_macvtap entered promiscuous mode [ 104.936695][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 104.947674][ T4656] device veth1_macvtap entered promiscuous mode [ 104.966407][ T4656] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.974669][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 104.985023][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 104.997171][ T4656] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.007210][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 105.017491][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 105.031122][ T4656] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.041105][ T4656] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.051054][ T4656] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.060865][ T4656] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.071733][ T4276] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.089113][ T4276] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.123114][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 106.134646][ T4276] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.159955][ T4276] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.168434][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 107.596806][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/05/12 09:36:36 executed programs: 0 [ 108.123199][ T4863] chnl_net:caif_netlink_parms(): no params data found [ 108.178929][ T4863] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.186251][ T4863] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.194518][ T4863] device bridge_slave_0 entered promiscuous mode [ 108.203175][ T4863] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.217782][ T4863] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.226449][ T4863] device bridge_slave_1 entered promiscuous mode [ 108.250436][ T4863] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.261615][ T4863] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.287691][ T4863] team0: Port device team_slave_0 added [ 108.295785][ T4863] team0: Port device team_slave_1 added [ 108.316468][ T4863] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.323558][ T4863] 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. [ 108.350385][ T4863] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.363990][ T4863] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.371787][ T4863] 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. [ 108.399471][ T4863] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.435034][ T4863] device hsr_slave_0 entered promiscuous mode [ 108.442428][ T4863] device hsr_slave_1 entered promiscuous mode [ 108.449870][ T4863] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 108.457977][ T4863] Cannot create hsr debugfs directory [ 109.524701][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.580249][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.638967][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.056003][ T5007] Bluetooth: hci0: command 0x0409 tx timeout [ 110.464840][ T4863] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.509426][ T4863] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.519589][ T4863] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.531201][ T4863] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.660898][ T4863] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.675295][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 110.692196][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 110.737493][ T4863] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.751506][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 110.761047][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 110.771539][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.779412][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.806376][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 110.815376][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 110.826748][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 110.836907][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.844128][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.856430][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.866548][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.878346][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 110.891232][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 110.900682][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 110.936500][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 110.947010][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 110.958633][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 110.968382][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 110.982413][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 110.992919][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 111.005468][ T4863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 111.126574][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 111.135492][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 111.147434][ T4863] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.163690][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 111.173097][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 111.214652][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 111.223426][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 111.233749][ T4863] device veth0_vlan entered promiscuous mode [ 111.240809][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 111.251423][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 111.278984][ T4863] device veth1_vlan entered promiscuous mode [ 111.296643][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 111.305505][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 111.314222][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 111.324193][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 111.341395][ T4863] device veth0_macvtap entered promiscuous mode [ 111.367938][ T4863] device veth1_macvtap entered promiscuous mode [ 111.382474][ T4863] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 111.393844][ T4863] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 111.405384][ T4863] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 111.413645][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 111.423377][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 111.432163][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 111.441374][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 111.454595][ T4863] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 111.466299][ T4863] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 111.479128][ T4863] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 111.487432][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 111.497306][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 111.519535][ T4863] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.528434][ T4863] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.538313][ T4863] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.547732][ T4863] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.628974][ T145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.637286][ T145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.654974][ T9] device hsr_slave_0 left promiscuous mode [ 111.662181][ T9] device hsr_slave_1 left promiscuous mode [ 111.670246][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 111.678024][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 111.686873][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 111.694887][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 111.702975][ T9] device bridge_slave_1 left promiscuous mode [ 111.710244][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.719185][ T9] device bridge_slave_0 left promiscuous mode [ 111.725617][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.737316][ T9] device veth1_macvtap left promiscuous mode [ 111.743895][ T9] device veth0_macvtap left promiscuous mode [ 111.750843][ T9] device veth1_vlan left promiscuous mode [ 111.756754][ T9] device veth0_vlan left promiscuous mode [ 111.905328][ T9] team0 (unregistering): Port device team_slave_1 removed [ 111.920256][ T9] team0 (unregistering): Port device team_slave_0 removed [ 111.934185][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 111.947902][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 112.004166][ T9] bond0 (unregistering): Released all slaves [ 112.048623][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 112.069916][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.081595][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.091448][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 112.134540][ T5007] Bluetooth: hci0: command 0x041b tx timeout [ 112.151400][ T5070] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 112.217537][ T5074] ================================================================== [ 112.226681][ T5074] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 112.234241][ T5074] Read of size 4 at addr ffff88805cb69338 by task syz.0.19/5074 [ 112.242033][ T5074] [ 112.244442][ T5074] CPU: 1 PID: 5074 Comm: syz.0.19 Not tainted syzkaller #0 [ 112.251705][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 112.262115][ T5074] Call Trace: [ 112.265603][ T5074] [ 112.268640][ T5074] dump_stack_lvl+0x188/0x250 [ 112.273413][ T5074] ? show_regs_print_info+0x20/0x20 [ 112.278905][ T5074] ? _printk+0xda/0x130 [ 112.283889][ T5074] ? ax25_fillin_cb+0x459/0x640 [ 112.289068][ T5074] ? load_image+0x400/0x400 [ 112.293783][ T5074] print_address_description+0x60/0x2d0 [ 112.299624][ T5074] ? ax25_fillin_cb+0x459/0x640 [ 112.304939][ T5074] kasan_report+0xdf/0x130 [ 112.309456][ T5074] ? ax25_fillin_cb+0x459/0x640 [ 112.314624][ T5074] ax25_fillin_cb+0x459/0x640 [ 112.319507][ T5074] ax25_setsockopt+0x8c9/0xa60 [ 112.324661][ T5074] ? ax25_shutdown+0x10/0x10 [ 112.329566][ T5074] ? aa_sock_opt_perm+0x74/0x100 [ 112.335303][ T5074] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 112.341054][ T5074] ? security_socket_setsockopt+0x7a/0xa0 [ 112.346987][ T5074] ? ax25_shutdown+0x10/0x10 [ 112.352095][ T5074] __sys_setsockopt+0x2bf/0x3d0 [ 112.357321][ T5074] __x64_sys_setsockopt+0xb1/0xc0 [ 112.362666][ T5074] do_syscall_64+0x4c/0xa0 [ 112.367763][ T5074] ? clear_bhb_loop+0x30/0x80 [ 112.372578][ T5074] ? clear_bhb_loop+0x30/0x80 [ 112.377864][ T5074] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 112.384249][ T5074] RIP: 0033:0x7efdc28fc819 [ 112.388683][ T5074] 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 [ 112.409533][ T5074] RSP: 002b:00007efdc1f5e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 112.418454][ T5074] RAX: ffffffffffffffda RBX: 00007efdc2b75fa0 RCX: 00007efdc28fc819 [ 112.427206][ T5074] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 112.435604][ T5074] RBP: 00007efdc2992c91 R08: 0000000000000010 R09: 0000000000000000 [ 112.444167][ T5074] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 112.452428][ T5074] R13: 00007efdc2b76038 R14: 00007efdc2b75fa0 R15: 00007ffdb6d2bf28 [ 112.460949][ T5074] [ 112.464178][ T5074] [ 112.466486][ T5074] Allocated by task 5070: [ 112.470979][ T5074] __kasan_kmalloc+0xb5/0xf0 [ 112.475756][ T5074] ax25_dev_device_up+0x50/0x580 [ 112.480876][ T5074] ax25_device_event+0x483/0x4f0 [ 112.485888][ T5074] raw_notifier_call_chain+0xcb/0x160 [ 112.491662][ T5074] __dev_notify_flags+0x194/0x300 [ 112.496842][ T5074] dev_change_flags+0xe3/0x1a0 [ 112.501690][ T5074] dev_ifsioc+0x130/0xd50 [ 112.506268][ T5074] dev_ioctl+0x545/0xe30 [ 112.510494][ T5074] sock_do_ioctl+0x245/0x320 [ 112.515239][ T5074] sock_ioctl+0x4d2/0x710 [ 112.519767][ T5074] __se_sys_ioctl+0xfa/0x170 [ 112.524457][ T5074] do_syscall_64+0x4c/0xa0 [ 112.529173][ T5074] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 112.535265][ T5074] [ 112.537707][ T5074] Freed by task 5071: [ 112.541892][ T5074] kasan_set_track+0x4b/0x70 [ 112.546712][ T5074] kasan_set_free_info+0x1f/0x40 [ 112.551935][ T5074] ____kasan_slab_free+0xd5/0x110 [ 112.557815][ T5074] slab_free_freelist_hook+0xea/0x170 [ 112.563773][ T5074] kfree+0xef/0x2a0 [ 112.567888][ T5074] ax25_release+0x661/0x870 [ 112.572477][ T5074] sock_close+0xd5/0x240 [ 112.576880][ T5074] __fput+0x234/0x930 [ 112.581199][ T5074] task_work_run+0x125/0x1a0 [ 112.585786][ T5074] exit_to_user_mode_loop+0x10f/0x130 [ 112.591567][ T5074] exit_to_user_mode_prepare+0xee/0x180 [ 112.597273][ T5074] syscall_exit_to_user_mode+0x16/0x40 [ 112.603345][ T5074] do_syscall_64+0x58/0xa0 [ 112.608386][ T5074] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 112.614590][ T5074] [ 112.617062][ T5074] The buggy address belongs to the object at ffff88805cb69300 [ 112.617062][ T5074] which belongs to the cache kmalloc-192 of size 192 [ 112.632133][ T5074] The buggy address is located 56 bytes inside of [ 112.632133][ T5074] 192-byte region [ffff88805cb69300, ffff88805cb693c0) [ 112.646181][ T5074] The buggy address belongs to the page: [ 112.652543][ T5074] page:ffffea000172da40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5cb69 [ 112.663403][ T5074] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 112.671212][ T5074] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016c41a00 [ 112.679893][ T5074] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 112.689162][ T5074] page dumped because: kasan: bad access detected [ 112.695938][ T5074] page_owner tracks the page as allocated [ 112.701845][ T5074] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4863, ts 112144476922, free_ts 112144271933 [ 112.718642][ T5074] get_page_from_freelist+0x1bbd/0x1ca0 [ 112.724183][ T5074] __alloc_pages+0x1ee/0x480 [ 112.728771][ T5074] new_slab+0xb6/0x4b0 [ 112.733033][ T5074] ___slab_alloc+0x80a/0xdd0 [ 112.738175][ T5074] __kmalloc_node+0x200/0x3b0 [ 112.742934][ T5074] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 112.749308][ T5074] slab_post_alloc_hook+0xba/0x380 [ 112.754914][ T5074] kmem_cache_alloc+0x100/0x290 [ 112.759939][ T5074] dup_fd+0x53/0xc70 [ 112.764331][ T5074] copy_files+0x72/0xe0 [ 112.769106][ T5074] copy_process+0x16aa/0x3e20 [ 112.774121][ T5074] kernel_clone+0x23f/0x990 [ 112.778983][ T5074] __x64_sys_clone+0x19a/0x210 [ 112.784215][ T5074] do_syscall_64+0x4c/0xa0 [ 112.789568][ T5074] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 112.797358][ T5074] page last free stack trace: [ 112.802389][ T5074] free_unref_page_prepare+0x637/0x6c0 [ 112.808889][ T5074] free_unref_page+0x8f/0x2a0 [ 112.813996][ T5074] __vunmap+0x8b9/0xa50 [ 112.818844][ T5074] __do_replace+0x85b/0x9c0 [ 112.823371][ T5074] do_ip6t_set_ctl+0xaaa/0xd90 [ 112.828622][ T5074] nf_setsockopt+0x25f/0x280 [ 112.833345][ T5074] ipv6_setsockopt+0x2086/0x3cc0 [ 112.838582][ T5074] tcp_setsockopt+0x240/0x1e90 [ 112.843618][ T5074] __sys_setsockopt+0x2bf/0x3d0 [ 112.848674][ T5074] __x64_sys_setsockopt+0xb1/0xc0 [ 112.854450][ T5074] do_syscall_64+0x4c/0xa0 [ 112.859327][ T5074] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 112.865850][ T5074] [ 112.868294][ T5074] Memory state around the buggy address: [ 112.873913][ T5074] ffff88805cb69200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 112.882257][ T5074] ffff88805cb69280: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc [ 112.890415][ T5074] >ffff88805cb69300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 112.899605][ T5074] ^ [ 112.906263][ T5074] ffff88805cb69380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 112.914410][ T5074] ffff88805cb69400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 112.923008][ T5074] ================================================================== [ 112.931324][ T5074] Disabling lock debugging due to kernel taint [ 112.946318][ T5074] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 112.953946][ T5074] CPU: 1 PID: 5074 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 112.962964][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 112.973293][ T5074] Call Trace: [ 112.976693][ T5074] [ 112.979798][ T5074] dump_stack_lvl+0x188/0x250 [ 112.984472][ T5074] ? show_regs_print_info+0x20/0x20 [ 112.990198][ T5074] ? load_image+0x400/0x400 [ 112.995530][ T5074] panic+0x2e5/0x810 [ 112.999695][ T5074] ? bpf_jit_dump+0xd0/0xd0 [ 113.004806][ T5074] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 113.011211][ T5074] ? _raw_spin_unlock+0x40/0x40 [ 113.016671][ T5074] ? print_memory_metadata+0x314/0x400 [ 113.022482][ T5074] ? ax25_fillin_cb+0x459/0x640 [ 113.027583][ T5074] check_panic_on_warn+0x80/0xa0 [ 113.033388][ T5074] ? ax25_fillin_cb+0x459/0x640 [ 113.038802][ T5074] end_report+0x6d/0xf0 [ 113.043649][ T5074] kasan_report+0x102/0x130 [ 113.048568][ T5074] ? ax25_fillin_cb+0x459/0x640 [ 113.053957][ T5074] ax25_fillin_cb+0x459/0x640 [ 113.058904][ T5074] ax25_setsockopt+0x8c9/0xa60 [ 113.064474][ T5074] ? ax25_shutdown+0x10/0x10 [ 113.069235][ T5074] ? aa_sock_opt_perm+0x74/0x100 [ 113.075243][ T5074] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 113.081638][ T5074] ? security_socket_setsockopt+0x7a/0xa0 [ 113.087909][ T5074] ? ax25_shutdown+0x10/0x10 [ 113.093175][ T5074] __sys_setsockopt+0x2bf/0x3d0 [ 113.098317][ T5074] __x64_sys_setsockopt+0xb1/0xc0 [ 113.104943][ T5074] do_syscall_64+0x4c/0xa0 [ 113.109750][ T5074] ? clear_bhb_loop+0x30/0x80 [ 113.115251][ T5074] ? clear_bhb_loop+0x30/0x80 [ 113.120699][ T5074] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 113.127993][ T5074] RIP: 0033:0x7efdc28fc819 [ 113.132937][ T5074] 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 [ 113.154323][ T5074] RSP: 002b:00007efdc1f5e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 113.163226][ T5074] RAX: ffffffffffffffda RBX: 00007efdc2b75fa0 RCX: 00007efdc28fc819 [ 113.171639][ T5074] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 113.179601][ T5074] RBP: 00007efdc2992c91 R08: 0000000000000010 R09: 0000000000000000 [ 113.187745][ T5074] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 113.196178][ T5074] R13: 00007efdc2b76038 R14: 00007efdc2b75fa0 R15: 00007ffdb6d2bf28 [ 113.204632][ T5074] [ 113.208618][ T5074] Kernel Offset: disabled [ 113.213487][ T5074] Rebooting in 86400 seconds..