Warning: Permanently added '10.128.0.253' (ED25519) to the list of known hosts. 2025/09/23 07:04:49 parsed 1 programs [ 70.023096][ T4187] cgroup: Unknown subsys name 'net' [ 70.140622][ T4187] cgroup: Unknown subsys name 'rlimit' [ 71.317011][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.323678][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.778498][ T4187] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 75.284726][ T144] ODEBUG: Out of memory. ODEBUG disabled [ 75.635199][ T4261] chnl_net:caif_netlink_parms(): no params data found [ 75.680809][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.688770][ T4261] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.696858][ T4261] device bridge_slave_0 entered promiscuous mode [ 75.706616][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.713899][ T4261] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.721728][ T4261] device bridge_slave_1 entered promiscuous mode [ 75.743671][ T4261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.754864][ T4261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.778334][ T4261] team0: Port device team_slave_0 added [ 75.785621][ T4261] team0: Port device team_slave_1 added [ 75.804868][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.811842][ T4261] 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. [ 75.837840][ T4261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.850048][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.857249][ T4261] 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. [ 75.883323][ T4261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.913296][ T4261] device hsr_slave_0 entered promiscuous mode [ 75.920135][ T4261] device hsr_slave_1 entered promiscuous mode [ 76.012181][ T4261] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.022909][ T4261] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.032148][ T4261] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.042058][ T4261] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.066721][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.073942][ T4261] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.081512][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.088645][ T4261] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.151892][ T4261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.185324][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.195816][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.204058][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.212319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.227705][ T4261] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.258319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.267700][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.274814][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.311976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.320977][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.328104][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.342704][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.352313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.364841][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.399052][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.407489][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.418036][ T4261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.530991][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.539476][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.551843][ T4261] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.585942][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.595357][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.612778][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.621447][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.630140][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.638896][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.649705][ T4261] device veth0_vlan entered promiscuous mode [ 76.676499][ T4261] device veth1_vlan entered promiscuous mode [ 76.698518][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.706769][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.715393][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.725013][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.735777][ T4261] device veth0_macvtap entered promiscuous mode [ 76.747331][ T4261] device veth1_macvtap entered promiscuous mode [ 76.784416][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.792325][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.800868][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.809652][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.818688][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.830923][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.840670][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.849561][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.860642][ T4261] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.870605][ T4261] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.879947][ T4261] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.888966][ T4261] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.982085][ T4261] syz-executor (4261) used greatest stack depth: 20096 bytes left [ 77.083851][ T4285] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.091886][ T4285] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.115288][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.131070][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.139704][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.150546][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/09/23 07:04:59 executed programs: 0 [ 78.011765][ T4301] chnl_net:caif_netlink_parms(): no params data found [ 78.076167][ T4301] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.085170][ T4301] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.093320][ T4301] device bridge_slave_0 entered promiscuous mode [ 78.104741][ T4301] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.111814][ T4301] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.120549][ T4301] device bridge_slave_1 entered promiscuous mode [ 78.151517][ T4301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.163099][ T4301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.189525][ T4301] team0: Port device team_slave_0 added [ 78.198050][ T4301] team0: Port device team_slave_1 added [ 78.222369][ T4301] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.229610][ T4301] 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. [ 78.256260][ T4301] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.268528][ T4301] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.275630][ T4301] 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. [ 78.302368][ T4301] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.339467][ T4301] device hsr_slave_0 entered promiscuous mode [ 78.347599][ T4301] device hsr_slave_1 entered promiscuous mode [ 78.354928][ T4301] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.362879][ T4301] Cannot create hsr debugfs directory [ 78.460287][ T4301] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.875287][ T4271] Bluetooth: hci0: command 0x0409 tx timeout [ 81.548792][ T4301] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.938445][ T4301] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.954193][ T4313] Bluetooth: hci0: command 0x041b tx timeout [ 82.001440][ T4301] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.144416][ T4301] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.153972][ T4301] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.162815][ T4301] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.172096][ T4301] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.236451][ T4301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.259636][ T406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.267690][ T406] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.280201][ T4301] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.290290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.299352][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.307847][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.314951][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.323219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.346110][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.355266][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.364183][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.371239][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.391911][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.404133][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.418131][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.426899][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.437056][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.456429][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.465510][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.476750][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.485701][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.511405][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.522650][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.532776][ T4301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.626863][ T144] device hsr_slave_0 left promiscuous mode [ 82.634391][ T144] device hsr_slave_1 left promiscuous mode [ 82.643468][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 82.651355][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 82.661477][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 82.668947][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 82.676903][ T144] device bridge_slave_1 left promiscuous mode [ 82.684070][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.697849][ T144] device bridge_slave_0 left promiscuous mode [ 82.705159][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.722809][ T144] device veth1_macvtap left promiscuous mode [ 82.729382][ T144] device veth0_macvtap left promiscuous mode [ 82.735937][ T144] device veth1_vlan left promiscuous mode [ 82.741817][ T144] device veth0_vlan left promiscuous mode [ 82.879501][ T144] team0 (unregistering): Port device team_slave_1 removed [ 82.892340][ T144] team0 (unregistering): Port device team_slave_0 removed [ 82.905985][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.921620][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 82.975085][ T144] bond0 (unregistering): Released all slaves [ 83.026175][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.034423][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.045812][ T4301] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.070467][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.079793][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.097549][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.106227][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.116534][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.125394][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.134239][ T4301] device veth0_vlan entered promiscuous mode [ 83.147583][ T4301] device veth1_vlan entered promiscuous mode [ 83.171846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.180142][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.188226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.197716][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.208676][ T4301] device veth0_macvtap entered promiscuous mode [ 83.218319][ T4301] device veth1_macvtap entered promiscuous mode [ 83.241679][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.249975][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.258611][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.267007][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.276257][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.289130][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.298190][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.307007][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.318523][ T4301] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.327925][ T4301] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.337353][ T4301] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.346309][ T4301] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.423310][ T4321] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.445623][ T4321] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.456459][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/09/23 07:05:05 executed programs: 2 [ 83.481866][ T4321] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.491861][ T4321] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.502161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 83.577589][ T4326] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 83.639835][ T4328] ================================================================== [ 83.648204][ T4328] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 83.655448][ T4328] Read of size 4 at addr ffff8880254c4438 by task syz.0.19/4328 [ 83.663194][ T4328] [ 83.665538][ T4328] CPU: 0 PID: 4328 Comm: syz.0.19 Not tainted syzkaller #0 [ 83.672758][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 83.682856][ T4328] Call Trace: [ 83.686157][ T4328] [ 83.689113][ T4328] dump_stack_lvl+0x168/0x230 [ 83.693919][ T4328] ? show_regs_print_info+0x20/0x20 [ 83.699154][ T4328] ? _printk+0xcc/0x110 [ 83.703333][ T4328] ? ax25_fillin_cb+0x459/0x640 [ 83.708211][ T4328] ? load_image+0x3b0/0x3b0 [ 83.712835][ T4328] print_address_description+0x60/0x2d0 [ 83.718419][ T4328] ? ax25_fillin_cb+0x459/0x640 [ 83.723291][ T4328] kasan_report+0xdf/0x130 [ 83.727731][ T4328] ? ax25_fillin_cb+0x459/0x640 [ 83.732600][ T4328] ax25_fillin_cb+0x459/0x640 [ 83.737392][ T4328] ax25_setsockopt+0x8a2/0xa40 [ 83.742198][ T4328] ? ax25_shutdown+0x10/0x10 [ 83.746804][ T4328] ? aa_sock_opt_perm+0x74/0x100 [ 83.751859][ T4328] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 83.757474][ T4328] ? security_socket_setsockopt+0x7a/0xa0 [ 83.763221][ T4328] ? ax25_shutdown+0x10/0x10 [ 83.767836][ T4328] __sys_setsockopt+0x2bf/0x3d0 [ 83.772718][ T4328] __x64_sys_setsockopt+0xb1/0xc0 [ 83.777767][ T4328] do_syscall_64+0x4c/0xa0 [ 83.782203][ T4328] ? clear_bhb_loop+0x30/0x80 [ 83.786901][ T4328] ? clear_bhb_loop+0x30/0x80 [ 83.791608][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.797534][ T4328] RIP: 0033:0x7f2a5a4abec9 [ 83.801977][ T4328] 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 [ 83.821609][ T4328] RSP: 002b:00007fff700497d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 83.830054][ T4328] RAX: ffffffffffffffda RBX: 00007f2a5a702fa0 RCX: 00007f2a5a4abec9 [ 83.838047][ T4328] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 83.846039][ T4328] RBP: 00007f2a5a52ef91 R08: 0000000000000010 R09: 0000000000000000 [ 83.854211][ T4328] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 83.862201][ T4328] R13: 00007f2a5a702fa0 R14: 00007f2a5a702fa0 R15: 0000000000000005 [ 83.870211][ T4328] [ 83.873243][ T4328] [ 83.875597][ T4328] Allocated by task 4326: [ 83.879932][ T4328] __kasan_kmalloc+0xb5/0xf0 [ 83.884543][ T4328] ax25_dev_device_up+0x50/0x580 [ 83.889500][ T4328] ax25_device_event+0x483/0x4f0 [ 83.894452][ T4328] raw_notifier_call_chain+0xcb/0x160 [ 83.899840][ T4328] __dev_notify_flags+0x178/0x2d0 [ 83.904877][ T4328] dev_change_flags+0xe3/0x1a0 [ 83.909651][ T4328] dev_ifsioc+0x147/0xe70 [ 83.914002][ T4328] dev_ioctl+0x55f/0xe50 [ 83.918263][ T4328] sock_do_ioctl+0x222/0x2f0 [ 83.922868][ T4328] sock_ioctl+0x4ed/0x6e0 [ 83.927219][ T4328] __se_sys_ioctl+0xfa/0x170 [ 83.931823][ T4328] do_syscall_64+0x4c/0xa0 [ 83.936248][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.942153][ T4328] [ 83.944488][ T4328] Freed by task 4327: [ 83.948476][ T4328] kasan_set_track+0x4b/0x70 [ 83.953077][ T4328] kasan_set_free_info+0x1f/0x40 [ 83.958025][ T4328] ____kasan_slab_free+0xd5/0x110 [ 83.963065][ T4328] slab_free_freelist_hook+0xea/0x170 [ 83.968451][ T4328] kfree+0xef/0x2a0 [ 83.972269][ T4328] ax25_release+0x661/0x870 [ 83.976788][ T4328] sock_close+0xd5/0x240 [ 83.981051][ T4328] __fput+0x234/0x930 [ 83.985306][ T4328] task_work_run+0x125/0x1a0 [ 83.989959][ T4328] exit_to_user_mode_loop+0x10f/0x130 [ 83.995354][ T4328] exit_to_user_mode_prepare+0xee/0x180 [ 84.000921][ T4328] syscall_exit_to_user_mode+0x16/0x40 [ 84.006401][ T4328] do_syscall_64+0x58/0xa0 [ 84.010838][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.016751][ T4328] [ 84.019090][ T4328] The buggy address belongs to the object at ffff8880254c4400 [ 84.019090][ T4328] which belongs to the cache kmalloc-192 of size 192 [ 84.033160][ T4328] The buggy address is located 56 bytes inside of [ 84.033160][ T4328] 192-byte region [ffff8880254c4400, ffff8880254c44c0) [ 84.033839][ T4272] Bluetooth: hci0: command 0x040f tx timeout [ 84.046368][ T4328] The buggy address belongs to the page: [ 84.046422][ T4328] page:ffffea0000953100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x254c4 [ 84.068188][ T4328] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 84.075770][ T4328] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 [ 84.084458][ T4328] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 84.093049][ T4328] page dumped because: kasan: bad access detected [ 84.099478][ T4328] page_owner tracks the page as allocated [ 84.105206][ T4328] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4326, ts 83572925387, free_ts 83366997992 [ 84.121201][ T4328] get_page_from_freelist+0x1b77/0x1c60 [ 84.126791][ T4328] __alloc_pages+0x1e1/0x470 [ 84.131448][ T4328] new_slab+0xb6/0x4b0 [ 84.135534][ T4328] ___slab_alloc+0x81e/0xdf0 [ 84.140145][ T4328] __kmalloc_node+0x200/0x3b0 [ 84.144832][ T4328] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 84.150662][ T4328] slab_post_alloc_hook+0xba/0x380 [ 84.155804][ T4328] kmem_cache_alloc+0x100/0x290 [ 84.160665][ T4328] __d_alloc+0x2a/0x6f0 [ 84.164833][ T4328] d_alloc+0x47/0x1a0 [ 84.168828][ T4328] lookup_one_qstr_excl+0xc6/0x240 [ 84.173955][ T4328] filename_create+0x21e/0x450 [ 84.178729][ T4328] do_symlinkat+0xb3/0x6c0 [ 84.183161][ T4328] __x64_sys_symlinkat+0x95/0xa0 [ 84.188112][ T4328] do_syscall_64+0x4c/0xa0 [ 84.192548][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.198463][ T4328] page last free stack trace: [ 84.203181][ T4328] free_unref_page_prepare+0x637/0x6c0 [ 84.208658][ T4328] free_unref_page+0x94/0x280 [ 84.213351][ T4328] __unfreeze_partials+0x1a5/0x200 [ 84.218487][ T4328] put_cpu_partial+0x12d/0x190 [ 84.223262][ T4328] qlist_free_all+0x35/0x90 [ 84.227784][ T4328] kasan_quarantine_reduce+0x150/0x160 [ 84.233269][ T4328] __kasan_slab_alloc+0x2f/0xd0 [ 84.238143][ T4328] slab_post_alloc_hook+0x4c/0x380 [ 84.243281][ T4328] kmem_cache_alloc_node+0x12d/0x2d0 [ 84.248594][ T4328] __alloc_skb+0xf4/0x750 [ 84.252951][ T4328] netlink_ack+0x3a6/0xb60 [ 84.257401][ T4328] netlink_rcv_skb+0x265/0x430 [ 84.262201][ T4328] netlink_unicast+0x774/0x920 [ 84.266991][ T4328] netlink_sendmsg+0x8ab/0xbc0 [ 84.271779][ T4328] __sys_sendto+0x423/0x580 [ 84.276300][ T4328] __x64_sys_sendto+0xda/0xf0 [ 84.281015][ T4328] [ 84.283349][ T4328] Memory state around the buggy address: [ 84.288996][ T4328] ffff8880254c4300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.297077][ T4328] ffff8880254c4380: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 84.305155][ T4328] >ffff8880254c4400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 84.313231][ T4328] ^ [ 84.319242][ T4328] ffff8880254c4480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 84.327334][ T4328] ffff8880254c4500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.335412][ T4328] ================================================================== [ 84.343491][ T4328] Disabling lock debugging due to kernel taint [ 84.359832][ T4328] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 84.367161][ T4328] CPU: 0 PID: 4328 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 84.375770][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 84.385845][ T4328] Call Trace: [ 84.389138][ T4328] [ 84.392081][ T4328] dump_stack_lvl+0x168/0x230 [ 84.396883][ T4328] ? show_regs_print_info+0x20/0x20 [ 84.402124][ T4328] ? load_image+0x3b0/0x3b0 [ 84.406664][ T4328] panic+0x2c9/0x7f0 [ 84.410588][ T4328] ? bpf_jit_dump+0xd0/0xd0 [ 84.415112][ T4328] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 84.421063][ T4328] ? _raw_spin_unlock+0x40/0x40 [ 84.425923][ T4328] ? print_memory_metadata+0x314/0x400 [ 84.431511][ T4328] ? ax25_fillin_cb+0x459/0x640 [ 84.436375][ T4328] check_panic_on_warn+0x80/0xa0 [ 84.441336][ T4328] ? ax25_fillin_cb+0x459/0x640 [ 84.446189][ T4328] end_report+0x6d/0xf0 [ 84.450345][ T4328] kasan_report+0x102/0x130 [ 84.454846][ T4328] ? ax25_fillin_cb+0x459/0x640 [ 84.459693][ T4328] ax25_fillin_cb+0x459/0x640 [ 84.464377][ T4328] ax25_setsockopt+0x8a2/0xa40 [ 84.469152][ T4328] ? ax25_shutdown+0x10/0x10 [ 84.473744][ T4328] ? aa_sock_opt_perm+0x74/0x100 [ 84.478680][ T4328] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 84.484381][ T4328] ? security_socket_setsockopt+0x7a/0xa0 [ 84.490138][ T4328] ? ax25_shutdown+0x10/0x10 [ 84.494729][ T4328] __sys_setsockopt+0x2bf/0x3d0 [ 84.499583][ T4328] __x64_sys_setsockopt+0xb1/0xc0 [ 84.504606][ T4328] do_syscall_64+0x4c/0xa0 [ 84.509022][ T4328] ? clear_bhb_loop+0x30/0x80 [ 84.513702][ T4328] ? clear_bhb_loop+0x30/0x80 [ 84.518461][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.524382][ T4328] RIP: 0033:0x7f2a5a4abec9 [ 84.528819][ T4328] 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 [ 84.548512][ T4328] RSP: 002b:00007fff700497d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 84.556932][ T4328] RAX: ffffffffffffffda RBX: 00007f2a5a702fa0 RCX: 00007f2a5a4abec9 [ 84.564916][ T4328] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 84.572892][ T4328] RBP: 00007f2a5a52ef91 R08: 0000000000000010 R09: 0000000000000000 [ 84.580863][ T4328] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 84.588843][ T4328] R13: 00007f2a5a702fa0 R14: 00007f2a5a702fa0 R15: 0000000000000005 [ 84.596852][ T4328] [ 84.599988][ T4328] Kernel Offset: disabled [ 84.604320][ T4328] Rebooting in 86400 seconds..