Warning: Permanently added '10.128.1.132' (ED25519) to the list of known hosts. 2025/12/29 22:32:15 parsed 1 programs [ 65.310215][ T4190] cgroup: Unknown subsys name 'net' [ 65.423632][ T4190] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 66.948196][ T4190] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 68.363737][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.377418][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.412259][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.429449][ T1272] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.438395][ T1272] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.449410][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.125721][ T4209] syz-executor (4209) used greatest stack depth: 21152 bytes left [ 71.016582][ T4252] chnl_net:caif_netlink_parms(): no params data found [ 71.062666][ T4252] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.070727][ T4252] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.078775][ T4252] device bridge_slave_0 entered promiscuous mode [ 71.087903][ T4252] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.095026][ T4252] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.102988][ T4252] device bridge_slave_1 entered promiscuous mode [ 71.124606][ T4252] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.135611][ T4252] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.159891][ T4252] team0: Port device team_slave_0 added [ 71.167251][ T4252] team0: Port device team_slave_1 added [ 71.185116][ T4252] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.192238][ T4252] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.218392][ T4252] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.230944][ T4252] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.237964][ T4252] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.263953][ T4252] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.295328][ T4252] device hsr_slave_0 entered promiscuous mode [ 71.302832][ T4252] device hsr_slave_1 entered promiscuous mode [ 71.312271][ T1423] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.319136][ T1423] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.411219][ T4252] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.421678][ T4252] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.431354][ T4252] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.440248][ T4252] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.465794][ T4252] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.473000][ T4252] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.480832][ T4252] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.488037][ T4252] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.554064][ T4252] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.568409][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.577383][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.586107][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.594215][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.608281][ T4252] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.619975][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.629877][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.637025][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.672932][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.681590][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.688715][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.712553][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.721702][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.731738][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.765476][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.776595][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.789263][ T4252] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.912285][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.920403][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.933791][ T4252] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.978258][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.988100][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.005433][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.014412][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.023898][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.032073][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.044938][ T4252] device veth0_vlan entered promiscuous mode [ 72.080021][ T4252] device veth1_vlan entered promiscuous mode [ 72.100541][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.109120][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.119544][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.128757][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.141705][ T4252] device veth0_macvtap entered promiscuous mode [ 72.170758][ T4252] device veth1_macvtap entered promiscuous mode [ 72.187564][ T4252] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.195098][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.204957][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.213165][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.222116][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.234550][ T4252] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.259536][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.268614][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.279977][ T4252] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.289331][ T4252] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.298694][ T4252] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.307469][ T4252] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.432838][ T4252] syz-executor (4252) used greatest stack depth: 21096 bytes left 2025/12/29 22:32:25 executed programs: 0 [ 73.222488][ T4302] chnl_net:caif_netlink_parms(): no params data found [ 73.283259][ T4302] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.290857][ T4302] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.299528][ T4302] device bridge_slave_0 entered promiscuous mode [ 73.308266][ T4302] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.315397][ T4302] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.324337][ T4302] device bridge_slave_1 entered promiscuous mode [ 73.353159][ T4302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.364675][ T4302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.399276][ T4302] team0: Port device team_slave_0 added [ 73.407459][ T4302] team0: Port device team_slave_1 added [ 73.431511][ T4302] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.438528][ T4302] 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. [ 73.464558][ T4302] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.476924][ T4302] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.484029][ T4302] 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. [ 73.510160][ T4302] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.561774][ T4302] device hsr_slave_0 entered promiscuous mode [ 73.569940][ T4302] device hsr_slave_1 entered promiscuous mode [ 73.576630][ T4302] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.585643][ T4302] Cannot create hsr debugfs directory [ 73.683193][ T4302] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.147784][ T4272] Bluetooth: hci0: command 0x0409 tx timeout [ 76.544008][ T4302] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.202173][ T4302] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.228425][ T4270] Bluetooth: hci0: command 0x041b tx timeout [ 77.283494][ T4302] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.485880][ T4302] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.495550][ T4302] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.504657][ T4302] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.513983][ T4302] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.579237][ T4302] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.599416][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.607390][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.617685][ T4302] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.629145][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.638126][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.646574][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.653715][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.661897][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.675881][ T154] device hsr_slave_0 left promiscuous mode [ 77.682526][ T154] device hsr_slave_1 left promiscuous mode [ 77.689178][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.696594][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.705145][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.713239][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.721216][ T154] device bridge_slave_1 left promiscuous mode [ 77.727554][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.742091][ T154] device bridge_slave_0 left promiscuous mode [ 77.749207][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.766517][ T154] device veth1_macvtap left promiscuous mode [ 77.773786][ T154] device veth0_macvtap left promiscuous mode [ 77.780592][ T154] device veth1_vlan left promiscuous mode [ 77.786485][ T154] device veth0_vlan left promiscuous mode [ 77.941246][ T154] team0 (unregistering): Port device team_slave_1 removed [ 77.955762][ T154] team0 (unregistering): Port device team_slave_0 removed [ 77.969265][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.982658][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.039822][ T154] bond0 (unregistering): Released all slaves [ 78.106255][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.115150][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.123859][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.130979][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.141894][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.161911][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.184283][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.195336][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.204312][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.214872][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.223911][ T1272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.242107][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.252912][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.271610][ T4302] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.283010][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.292751][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.302007][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.404432][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.412065][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.424737][ T4302] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.447732][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.457388][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.473009][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.482271][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.491676][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.500070][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.510836][ T4302] device veth0_vlan entered promiscuous mode [ 78.525358][ T4302] device veth1_vlan entered promiscuous mode [ 78.548314][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.556448][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.566256][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.576171][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.588464][ T4302] device veth0_macvtap entered promiscuous mode [ 78.600528][ T4302] device veth1_macvtap entered promiscuous mode [ 78.620324][ T4302] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.628318][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.636428][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.645426][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.654535][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.668970][ T4302] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.676328][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.690155][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.703063][ T4302] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.712436][ T4302] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.722837][ T4302] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.732301][ T4302] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.808154][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.816154][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.848503][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.868449][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.876445][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/12/29 22:32:31 executed programs: 2 [ 78.892845][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.961801][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 79.025939][ T4323] ================================================================== [ 79.034263][ T4323] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 79.041521][ T4323] Read of size 4 at addr ffff88802a46b638 by task syz.0.19/4323 [ 79.049169][ T4323] [ 79.051548][ T4323] CPU: 0 PID: 4323 Comm: syz.0.19 Not tainted syzkaller #0 [ 79.058774][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 79.068866][ T4323] Call Trace: [ 79.072173][ T4323] [ 79.075128][ T4323] dump_stack_lvl+0x168/0x230 [ 79.079835][ T4323] ? show_regs_print_info+0x20/0x20 [ 79.085053][ T4323] ? _printk+0xcc/0x110 [ 79.089239][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 79.094130][ T4323] ? load_image+0x3b0/0x3b0 [ 79.098678][ T4323] print_address_description+0x60/0x2d0 [ 79.104261][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 79.109145][ T4323] kasan_report+0xdf/0x130 [ 79.113619][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 79.118504][ T4323] ax25_fillin_cb+0x459/0x640 [ 79.123233][ T4323] ax25_setsockopt+0x8a2/0xa40 [ 79.128038][ T4323] ? ax25_shutdown+0x10/0x10 [ 79.132670][ T4323] ? aa_sock_opt_perm+0x74/0x100 [ 79.137665][ T4323] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 79.143258][ T4323] ? security_socket_setsockopt+0x7a/0xa0 [ 79.149008][ T4323] ? ax25_shutdown+0x10/0x10 [ 79.153633][ T4323] __sys_setsockopt+0x2bf/0x3d0 [ 79.158515][ T4323] __x64_sys_setsockopt+0xb1/0xc0 [ 79.163578][ T4323] do_syscall_64+0x4c/0xa0 [ 79.168028][ T4323] ? clear_bhb_loop+0x30/0x80 [ 79.172732][ T4323] ? clear_bhb_loop+0x30/0x80 [ 79.177443][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.183371][ T4323] RIP: 0033:0x7fa1f9222749 [ 79.187805][ T4323] 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 [ 79.207435][ T4323] RSP: 002b:00007ffea2409be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 79.215879][ T4323] RAX: ffffffffffffffda RBX: 00007fa1f9478fa0 RCX: 00007fa1f9222749 [ 79.223960][ T4323] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 79.231956][ T4323] RBP: 00007fa1f92a6f91 R08: 0000000000000010 R09: 0000000000000000 [ 79.239955][ T4323] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 79.247948][ T4323] R13: 00007fa1f9478fa0 R14: 00007fa1f9478fa0 R15: 0000000000000005 [ 79.255964][ T4323] [ 79.259008][ T4323] [ 79.261355][ T4323] Allocated by task 4321: [ 79.265693][ T4323] __kasan_kmalloc+0xb5/0xf0 [ 79.270308][ T4323] ax25_dev_device_up+0x50/0x580 [ 79.275266][ T4323] ax25_device_event+0x483/0x4f0 [ 79.280220][ T4323] raw_notifier_call_chain+0xcb/0x160 [ 79.285612][ T4323] __dev_notify_flags+0x178/0x2d0 [ 79.290665][ T4323] dev_change_flags+0xe3/0x1a0 [ 79.295450][ T4323] dev_ifsioc+0x147/0xe70 [ 79.299799][ T4323] dev_ioctl+0x55f/0xe50 [ 79.304079][ T4323] sock_do_ioctl+0x222/0x2f0 [ 79.307696][ T21] Bluetooth: hci0: command 0x040f tx timeout [ 79.308690][ T4323] sock_ioctl+0x4ed/0x6e0 [ 79.319030][ T4323] __se_sys_ioctl+0xfa/0x170 [ 79.323659][ T4323] do_syscall_64+0x4c/0xa0 [ 79.328102][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.334030][ T4323] [ 79.336374][ T4323] Freed by task 4322: [ 79.340371][ T4323] kasan_set_track+0x4b/0x70 [ 79.344986][ T4323] kasan_set_free_info+0x1f/0x40 [ 79.349951][ T4323] ____kasan_slab_free+0xd5/0x110 [ 79.354997][ T4323] slab_free_freelist_hook+0xea/0x170 [ 79.360388][ T4323] kfree+0xef/0x2a0 [ 79.364217][ T4323] ax25_release+0x661/0x870 [ 79.368740][ T4323] sock_close+0xd5/0x240 [ 79.373002][ T4323] __fput+0x234/0x930 [ 79.377007][ T4323] task_work_run+0x125/0x1a0 [ 79.381618][ T4323] exit_to_user_mode_loop+0x10f/0x130 [ 79.387012][ T4323] exit_to_user_mode_prepare+0xee/0x180 [ 79.392594][ T4323] syscall_exit_to_user_mode+0x16/0x40 [ 79.398093][ T4323] do_syscall_64+0x58/0xa0 [ 79.402549][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.408475][ T4323] [ 79.410827][ T4323] The buggy address belongs to the object at ffff88802a46b600 [ 79.410827][ T4323] which belongs to the cache kmalloc-192 of size 192 [ 79.424902][ T4323] The buggy address is located 56 bytes inside of [ 79.424902][ T4323] 192-byte region [ffff88802a46b600, ffff88802a46b6c0) [ 79.438232][ T4323] The buggy address belongs to the page: [ 79.443908][ T4323] page:ffffea0000a91ac0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2a46b [ 79.454079][ T4323] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 79.461769][ T4323] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 [ 79.470379][ T4323] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 79.478982][ T4323] page dumped because: kasan: bad access detected [ 79.485428][ T4323] page_owner tracks the page as allocated [ 79.491172][ T4323] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4302, ts 78930762306, free_ts 78860259040 [ 79.507176][ T4323] get_page_from_freelist+0x1b77/0x1c60 [ 79.512752][ T4323] __alloc_pages+0x1e1/0x470 [ 79.517365][ T4323] new_slab+0xb6/0x4b0 [ 79.521582][ T4323] ___slab_alloc+0x81e/0xdf0 [ 79.526200][ T4323] __kmalloc_node+0x200/0x3b0 [ 79.530901][ T4323] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 79.536742][ T4323] slab_post_alloc_hook+0xba/0x380 [ 79.541887][ T4323] kmem_cache_alloc+0x100/0x290 [ 79.546762][ T4323] shmem_alloc_inode+0x16/0x30 [ 79.551656][ T4323] new_inode_pseudo+0x5f/0x210 [ 79.556448][ T4323] new_inode+0x25/0x1c0 [ 79.560622][ T4323] shmem_get_inode+0x334/0xa90 [ 79.565411][ T4323] shmem_mknod+0x55/0x1b0 [ 79.569774][ T4323] shmem_mkdir+0x27/0x60 [ 79.574038][ T4323] vfs_mkdir+0x387/0x570 [ 79.578302][ T4323] do_mkdirat+0x1d7/0x5a0 [ 79.582656][ T4323] page last free stack trace: [ 79.587339][ T4323] free_unref_page_prepare+0x637/0x6c0 [ 79.592847][ T4323] free_unref_page+0x94/0x280 [ 79.597548][ T4323] qlist_free_all+0x35/0x90 [ 79.602078][ T4323] kasan_quarantine_reduce+0x150/0x160 [ 79.607559][ T4323] __kasan_slab_alloc+0x2f/0xd0 [ 79.612439][ T4323] slab_post_alloc_hook+0x4c/0x380 [ 79.617570][ T4323] __kmalloc_node_track_caller+0x156/0x3a0 [ 79.623405][ T4323] __alloc_skb+0x22c/0x750 [ 79.627849][ T4323] netlink_ack+0x3a6/0xb60 [ 79.632290][ T4323] netlink_rcv_skb+0x265/0x430 [ 79.637072][ T4323] genl_rcv+0x24/0x40 [ 79.641071][ T4323] netlink_unicast+0x774/0x920 [ 79.645856][ T4323] netlink_sendmsg+0x8ab/0xbc0 [ 79.650645][ T4323] __sys_sendto+0x423/0x580 [ 79.655172][ T4323] __x64_sys_sendto+0xda/0xf0 [ 79.659868][ T4323] do_syscall_64+0x4c/0xa0 [ 79.664314][ T4323] [ 79.666662][ T4323] Memory state around the buggy address: [ 79.672307][ T4323] ffff88802a46b500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.680564][ T4323] ffff88802a46b580: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc [ 79.688650][ T4323] >ffff88802a46b600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 79.696727][ T4323] ^ [ 79.702631][ T4323] ffff88802a46b680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 79.710721][ T4323] ffff88802a46b700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.718802][ T4323] ================================================================== [ 79.726874][ T4323] Disabling lock debugging due to kernel taint [ 79.742093][ T4323] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 79.749337][ T4323] CPU: 0 PID: 4323 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 79.758160][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 79.768238][ T4323] Call Trace: [ 79.771540][ T4323] [ 79.774497][ T4323] dump_stack_lvl+0x168/0x230 [ 79.779209][ T4323] ? show_regs_print_info+0x20/0x20 [ 79.784451][ T4323] ? load_image+0x3b0/0x3b0 [ 79.788986][ T4323] panic+0x2c9/0x7f0 [ 79.793115][ T4323] ? bpf_jit_dump+0xd0/0xd0 [ 79.797654][ T4323] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 79.803849][ T4323] ? _raw_spin_unlock+0x40/0x40 [ 79.808726][ T4323] ? print_memory_metadata+0x314/0x400 [ 79.814219][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 79.819099][ T4323] check_panic_on_warn+0x80/0xa0 [ 79.824070][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 79.828938][ T4323] end_report+0x6d/0xf0 [ 79.833117][ T4323] kasan_report+0x102/0x130 [ 79.837645][ T4323] ? ax25_fillin_cb+0x459/0x640 [ 79.842524][ T4323] ax25_fillin_cb+0x459/0x640 [ 79.847225][ T4323] ax25_setsockopt+0x8a2/0xa40 [ 79.852012][ T4323] ? ax25_shutdown+0x10/0x10 [ 79.856624][ T4323] ? aa_sock_opt_perm+0x74/0x100 [ 79.861586][ T4323] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 79.867166][ T4323] ? security_socket_setsockopt+0x7a/0xa0 [ 79.872907][ T4323] ? ax25_shutdown+0x10/0x10 [ 79.877530][ T4323] __sys_setsockopt+0x2bf/0x3d0 [ 79.882403][ T4323] __x64_sys_setsockopt+0xb1/0xc0 [ 79.887446][ T4323] do_syscall_64+0x4c/0xa0 [ 79.891882][ T4323] ? clear_bhb_loop+0x30/0x80 [ 79.896577][ T4323] ? clear_bhb_loop+0x30/0x80 [ 79.901279][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.907201][ T4323] RIP: 0033:0x7fa1f9222749 [ 79.911634][ T4323] 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 [ 79.931261][ T4323] RSP: 002b:00007ffea2409be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 79.939699][ T4323] RAX: ffffffffffffffda RBX: 00007fa1f9478fa0 RCX: 00007fa1f9222749 [ 79.947695][ T4323] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 79.955687][ T4323] RBP: 00007fa1f92a6f91 R08: 0000000000000010 R09: 0000000000000000 [ 79.963698][ T4323] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 79.971691][ T4323] R13: 00007fa1f9478fa0 R14: 00007fa1f9478fa0 R15: 0000000000000005 [ 79.979700][ T4323] [ 79.983010][ T4323] Kernel Offset: disabled [ 79.987361][ T4323] Rebooting in 86400 seconds..