Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts.
2026/03/10 12:06:55 parsed 1 programs
syzkaller login: [ 74.300854][ T4195] cgroup: Unknown subsys name 'net'
[ 74.427745][ T4195] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 75.981210][ T4195] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 79.763336][ T4254] chnl_net:caif_netlink_parms(): no params data found
[ 79.826347][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state
[ 79.834384][ T4254] bridge0: port 1(bridge_slave_0) entered disabled state
[ 79.842673][ T4254] device bridge_slave_0 entered promiscuous mode
[ 79.852416][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state
[ 79.859852][ T4254] bridge0: port 2(bridge_slave_1) entered disabled state
[ 79.868098][ T4254] device bridge_slave_1 entered promiscuous mode
[ 79.901166][ T4254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 79.913393][ T4254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 79.963631][ T4254] team0: Port device team_slave_0 added
[ 79.972091][ T4254] team0: Port device team_slave_1 added
[ 80.000513][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 80.009240][ 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.
[ 80.037932][ T4254] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 80.054981][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 80.062300][ 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.
[ 80.091891][ T4254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 80.146195][ T4254] device hsr_slave_0 entered promiscuous mode
[ 80.154666][ T4254] device hsr_slave_1 entered promiscuous mode
[ 80.256549][ T4254] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 80.267689][ T4254] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 80.277624][ T4254] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 80.287530][ T4254] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 80.310259][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state
[ 80.318168][ T4254] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 80.326533][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state
[ 80.333748][ T4254] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 80.377743][ T4254] 8021q: adding VLAN 0 to HW filter on device bond0
[ 80.392671][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 80.405815][ T1279] bridge0: port 1(bridge_slave_0) entered disabled state
[ 80.415607][ T1279] bridge0: port 2(bridge_slave_1) entered disabled state
[ 80.426108][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 80.440561][ T4254] 8021q: adding VLAN 0 to HW filter on device team0
[ 80.453459][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 80.462897][ T1279] bridge0: port 1(bridge_slave_0) entered blocking state
[ 80.470337][ T1279] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 80.482427][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 80.491647][ T1279] bridge0: port 2(bridge_slave_1) entered blocking state
[ 80.498787][ T1279] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 80.517597][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 80.527034][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 80.540168][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 80.553941][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 80.566346][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 80.582683][ T4254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 80.685797][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 80.694658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 80.709118][ T4254] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 80.745683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 80.764211][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 80.773438][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 80.783788][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 80.794137][ T4254] device veth0_vlan entered promiscuous mode
[ 80.828693][ T4254] device veth1_vlan entered promiscuous mode
[ 80.848861][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 80.859883][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 80.900042][ T4254] device veth0_macvtap entered promiscuous mode
[ 80.909668][ T4254] device veth1_macvtap entered promiscuous mode
[ 80.926945][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 80.935717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 80.945184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 80.954438][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 80.964739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 80.977208][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 80.987127][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 80.996454][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 81.007512][ T4254] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.017211][ T4254] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.027225][ T4254] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.036545][ T4254] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.256297][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 81.269999][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 81.290590][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 81.311849][ T1279] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 81.321771][ T1279] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 81.333623][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 81.664129][ T1108] cfg80211: failed to load regulatory.db
2026/03/10 12:07:05 executed programs: 0
[ 82.521274][ T4297] chnl_net:caif_netlink_parms(): no params data found
[ 82.598247][ T4297] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.606705][ T4297] bridge0: port 1(bridge_slave_0) entered disabled state
[ 82.615474][ T4297] device bridge_slave_0 entered promiscuous mode
[ 82.625398][ T4297] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.633605][ T4297] bridge0: port 2(bridge_slave_1) entered disabled state
[ 82.643171][ T4297] device bridge_slave_1 entered promiscuous mode
[ 82.669659][ T4297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 82.682476][ T4297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 82.712683][ T4297] team0: Port device team_slave_0 added
[ 82.720741][ T4297] team0: Port device team_slave_1 added
[ 82.745699][ T4297] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 82.755531][ T4297] 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.
[ 82.788716][ T4297] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 82.803345][ T4297] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 82.811418][ T4297] 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.
[ 82.839465][ T4297] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 82.885993][ T4297] device hsr_slave_0 entered promiscuous mode
[ 82.893210][ T4297] device hsr_slave_1 entered promiscuous mode
[ 82.900157][ T4297] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 82.911701][ T4297] Cannot create hsr debugfs directory
[ 83.007639][ T4297] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 83.127661][ T155] ODEBUG: Out of memory. ODEBUG disabled
[ 84.301740][ T1108] Bluetooth: hci0: command 0x0409 tx timeout
[ 85.936803][ T4297] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 85.975927][ T4297] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 86.027396][ T4297] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 86.106487][ T4297] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 86.115456][ T4297] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 86.124659][ T4297] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 86.135395][ T4297] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 86.188513][ T4297] 8021q: adding VLAN 0 to HW filter on device bond0
[ 86.200594][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 86.209043][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 86.229265][ T4297] 8021q: adding VLAN 0 to HW filter on device team0
[ 86.240083][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 86.249898][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 86.258712][ T144] bridge0: port 1(bridge_slave_0) entered blocking state
[ 86.266154][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 86.276097][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 86.298325][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 86.310797][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 86.320681][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 86.327811][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 86.344053][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 86.355639][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 86.367495][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 86.377313][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 86.381037][ T4275] Bluetooth: hci0: command 0x041b tx timeout
[ 86.404297][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 86.412594][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 86.422218][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 86.435866][ T4297] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 86.446535][ T4297] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 86.460733][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 86.469674][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 86.478416][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 86.488160][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 86.497357][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 86.599593][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 86.607696][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 86.621779][ T4297] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 86.647377][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 86.656890][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 86.680749][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 86.690224][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 86.698969][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 86.706951][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 86.717794][ T4297] device veth0_vlan entered promiscuous mode
[ 86.743785][ T4297] device veth1_vlan entered promiscuous mode
[ 86.762365][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 86.770624][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 86.779586][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 86.790593][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 86.801460][ T4297] device veth0_macvtap entered promiscuous mode
[ 86.810212][ T4297] device veth1_macvtap entered promiscuous mode
[ 86.832769][ T4297] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 86.844773][ T4297] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 86.856924][ T4297] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 86.873753][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 86.882024][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 86.890319][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 86.900109][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 86.910388][ T4297] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 86.921452][ T4297] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 86.933290][ T4297] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 86.944491][ T4297] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 86.953946][ T4297] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 86.963195][ T4297] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 86.972320][ T4297] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 86.984502][ T4308] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 86.994713][ T4308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 87.031961][ T155] device hsr_slave_0 left promiscuous mode
[ 87.038835][ T155] device hsr_slave_1 left promiscuous mode
[ 87.045634][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 87.053437][ T155] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 87.062689][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 87.071218][ T155] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 87.079111][ T155] device bridge_slave_1 left promiscuous mode
[ 87.086716][ T155] bridge0: port 2(bridge_slave_1) entered disabled state
[ 87.098623][ T155] device bridge_slave_0 left promiscuous mode
[ 87.106026][ T155] bridge0: port 1(bridge_slave_0) entered disabled state
[ 87.123957][ T155] device veth1_macvtap left promiscuous mode
[ 87.130426][ T155] device veth0_macvtap left promiscuous mode
[ 87.136718][ T155] device veth1_vlan left promiscuous mode
[ 87.142867][ T155] device veth0_vlan left promiscuous mode
[ 87.271181][ T155] team0 (unregistering): Port device team_slave_1 removed
[ 87.287528][ T155] team0 (unregistering): Port device team_slave_0 removed
[ 87.303547][ T155] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 87.317646][ T155] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 87.366888][ T155] bond0 (unregistering): Released all slaves
[ 87.463816][ T4308] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 87.475025][ T4308] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 87.490781][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 87.505884][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
2026/03/10 12:07:10 executed programs: 2
[ 87.515147][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 87.524074][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 87.578073][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready
[ 87.635496][ T4311] ==================================================================
[ 87.644476][ T4311] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640
[ 87.652040][ T4311] Read of size 4 at addr ffff8880239aaf38 by task syz.0.19/4311
[ 87.659779][ T4311]
[ 87.662111][ T4311] CPU: 1 PID: 4311 Comm: syz.0.19 Not tainted syzkaller #0
[ 87.669798][ T4311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 87.680607][ T4311] Call Trace:
[ 87.684016][ T4311]
[ 87.687401][ T4311] dump_stack_lvl+0x188/0x250
[ 87.692272][ T4311] ? show_regs_print_info+0x20/0x20
[ 87.697503][ T4311] ? _printk+0xda/0x130
[ 87.701655][ T4311] ? ax25_fillin_cb+0x459/0x640
[ 87.706506][ T4311] ? load_image+0x400/0x400
[ 87.711094][ T4311] print_address_description+0x60/0x2d0
[ 87.717204][ T4311] ? ax25_fillin_cb+0x459/0x640
[ 87.722239][ T4311] kasan_report+0xdf/0x130
[ 87.726772][ T4311] ? ax25_fillin_cb+0x459/0x640
[ 87.732163][ T4311] ax25_fillin_cb+0x459/0x640
[ 87.736998][ T4311] ax25_setsockopt+0x8c9/0xa60
[ 87.741981][ T4311] ? ax25_shutdown+0x10/0x10
[ 87.746877][ T4311] ? aa_sock_opt_perm+0x74/0x100
[ 87.751921][ T4311] ? bpf_lsm_socket_setsockopt+0x5/0x10
[ 87.758012][ T4311] ? security_socket_setsockopt+0x7a/0xa0
[ 87.763908][ T4311] ? ax25_shutdown+0x10/0x10
[ 87.768644][ T4311] __sys_setsockopt+0x2bf/0x3d0
[ 87.773558][ T4311] __x64_sys_setsockopt+0xb1/0xc0
[ 87.778677][ T4311] do_syscall_64+0x4c/0xa0
[ 87.783112][ T4311] ? clear_bhb_loop+0x30/0x80
[ 87.788286][ T4311] ? clear_bhb_loop+0x30/0x80
[ 87.793434][ T4311] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 87.799489][ T4311] RIP: 0033:0x7f408b418799
[ 87.804010][ T4311] 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
[ 87.824791][ T4311] RSP: 002b:00007ffcc757c0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 87.833233][ T4311] RAX: ffffffffffffffda RBX: 00007f408b691fa0 RCX: 00007f408b418799
[ 87.841652][ T4311] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006
[ 87.850007][ T4311] RBP: 00007f408b4aebd9 R08: 0000000000000010 R09: 0000000000000000
[ 87.858346][ T4311] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000
[ 87.867202][ T4311] R13: 00007f408b691fac R14: 00007f408b691fa0 R15: 00007f408b691fa0
[ 87.877366][ T4311]
[ 87.880403][ T4311]
[ 87.882735][ T4311] Allocated by task 4309:
[ 87.887163][ T4311] __kasan_kmalloc+0xb5/0xf0
[ 87.892113][ T4311] ax25_dev_device_up+0x50/0x580
[ 87.897451][ T4311] ax25_device_event+0x483/0x4f0
[ 87.902935][ T4311] raw_notifier_call_chain+0xcb/0x160
[ 87.908678][ T4311] __dev_notify_flags+0x194/0x300
[ 87.913847][ T4311] dev_change_flags+0xe3/0x1a0
[ 87.919009][ T4311] dev_ifsioc+0x130/0xd50
[ 87.923437][ T4311] dev_ioctl+0x545/0xe30
[ 87.928090][ T4311] sock_do_ioctl+0x245/0x320
[ 87.932697][ T4311] sock_ioctl+0x4d2/0x710
[ 87.937171][ T4311] __se_sys_ioctl+0xfa/0x170
[ 87.942190][ T4311] do_syscall_64+0x4c/0xa0
[ 87.946834][ T4311] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 87.952904][ T4311]
[ 87.955368][ T4311] Freed by task 4310:
[ 87.959461][ T4311] kasan_set_track+0x4b/0x70
[ 87.964155][ T4311] kasan_set_free_info+0x1f/0x40
[ 87.969302][ T4311] ____kasan_slab_free+0xd5/0x110
[ 87.974687][ T4311] slab_free_freelist_hook+0xea/0x170
[ 87.980240][ T4311] kfree+0xef/0x2a0
[ 87.984192][ T4311] ax25_release+0x661/0x870
[ 87.988909][ T4311] sock_close+0xd5/0x240
[ 87.993332][ T4311] __fput+0x234/0x930
[ 87.997578][ T4311] task_work_run+0x125/0x1a0
[ 88.002294][ T4311] exit_to_user_mode_loop+0x10f/0x130
[ 88.007915][ T4311] exit_to_user_mode_prepare+0xee/0x180
[ 88.013919][ T4311] syscall_exit_to_user_mode+0x16/0x40
[ 88.019528][ T4311] do_syscall_64+0x58/0xa0
[ 88.024095][ T4311] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 88.030282][ T4311]
[ 88.032721][ T4311] The buggy address belongs to the object at ffff8880239aaf00
[ 88.032721][ T4311] which belongs to the cache kmalloc-192 of size 192
[ 88.047324][ T4311] The buggy address is located 56 bytes inside of
[ 88.047324][ T4311] 192-byte region [ffff8880239aaf00, ffff8880239aafc0)
[ 88.060901][ T4311] The buggy address belongs to the page:
[ 88.066819][ T4311] page:ffffea00008e6a80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x239aa
[ 88.077502][ T4311] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 88.085067][ T4311] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016c41a00
[ 88.094138][ T4311] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 88.103072][ T4311] page dumped because: kasan: bad access detected
[ 88.109513][ T4311] page_owner tracks the page as allocated
[ 88.115301][ T4311] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4297, ts 87564812630, free_ts 87564699308
[ 88.131372][ T4311] get_page_from_freelist+0x1bbd/0x1ca0
[ 88.136942][ T4311] __alloc_pages+0x1ee/0x480
[ 88.141653][ T4311] new_slab+0xb6/0x4b0
[ 88.146114][ T4311] ___slab_alloc+0x80a/0xdd0
[ 88.150957][ T4311] __kmalloc_node+0x200/0x3b0
[ 88.155737][ T4311] memcg_alloc_page_obj_cgroups+0x81/0x120
[ 88.161574][ T4311] slab_post_alloc_hook+0xba/0x380
[ 88.166856][ T4311] kmem_cache_alloc+0x100/0x290
[ 88.171751][ T4311] sock_alloc_inode+0x17/0xb0
[ 88.176524][ T4311] new_inode_pseudo+0x5f/0x210
[ 88.181286][ T4311] __sock_create+0x129/0x900
[ 88.186070][ T4311] __sys_socket+0xe2/0x170
[ 88.190781][ T4311] __x64_sys_socket+0x76/0x80
[ 88.195831][ T4311] do_syscall_64+0x4c/0xa0
[ 88.200509][ T4311] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 88.206747][ T4311] page last free stack trace:
[ 88.211540][ T4311] free_unref_page_prepare+0x637/0x6c0
[ 88.217170][ T4311] free_unref_page+0x8f/0x2a0
[ 88.221845][ T4311] __vunmap+0x8b9/0xa50
[ 88.226000][ T4311] do_ipt_get_ctl+0xe5e/0x1110
[ 88.230848][ T4311] nf_getsockopt+0x25e/0x280
[ 88.236024][ T4311] ip_getsockopt+0x1256/0x16a0
[ 88.240967][ T4311] tcp_getsockopt+0x200/0x25a0
[ 88.246179][ T4311] __sys_getsockopt+0x1b0/0x230
[ 88.251613][ T4311] __x64_sys_getsockopt+0xb1/0xc0
[ 88.256935][ T4311] do_syscall_64+0x4c/0xa0
[ 88.262024][ T4311] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 88.268127][ T4311]
[ 88.270626][ T4311] Memory state around the buggy address:
[ 88.276509][ T4311] ffff8880239aae00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 88.284924][ T4311] ffff8880239aae80: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
[ 88.293712][ T4311] >ffff8880239aaf00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.302318][ T4311] ^
[ 88.308391][ T4311] ffff8880239aaf80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 88.316536][ T4311] ffff8880239ab000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 88.324763][ T4311] ==================================================================
[ 88.333039][ T4311] Disabling lock debugging due to kernel taint
[ 88.344699][ T4311] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 88.352188][ T4311] CPU: 1 PID: 4311 Comm: syz.0.19 Tainted: G B syzkaller #0
[ 88.361049][ T4311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 88.371664][ T4311] Call Trace:
[ 88.374943][ T4311]
[ 88.377882][ T4311] dump_stack_lvl+0x188/0x250
[ 88.382648][ T4311] ? show_regs_print_info+0x20/0x20
[ 88.388013][ T4311] ? load_image+0x400/0x400
[ 88.392704][ T4311] panic+0x2e5/0x810
[ 88.396677][ T4311] ? bpf_jit_dump+0xd0/0xd0
[ 88.401448][ T4311] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 88.407909][ T4311] ? _raw_spin_unlock+0x40/0x40
[ 88.413035][ T4311] ? print_memory_metadata+0x314/0x400
[ 88.418657][ T4311] ? ax25_fillin_cb+0x459/0x640
[ 88.423608][ T4311] check_panic_on_warn+0x80/0xa0
[ 88.428993][ T4311] ? ax25_fillin_cb+0x459/0x640
[ 88.434239][ T4311] end_report+0x6d/0xf0
[ 88.438863][ T4311] kasan_report+0x102/0x130
[ 88.443572][ T4311] ? ax25_fillin_cb+0x459/0x640
[ 88.448658][ T4311] ax25_fillin_cb+0x459/0x640
[ 88.453764][ T4311] ax25_setsockopt+0x8c9/0xa60
[ 88.458668][ T4311] ? ax25_shutdown+0x10/0x10
[ 88.463701][ T4311] ? aa_sock_opt_perm+0x74/0x100
[ 88.468839][ T4311] ? bpf_lsm_socket_setsockopt+0x5/0x10
[ 88.474542][ T4311] ? security_socket_setsockopt+0x7a/0xa0
[ 88.480277][ T4311] ? ax25_shutdown+0x10/0x10
[ 88.484973][ T4311] __sys_setsockopt+0x2bf/0x3d0
[ 88.490228][ T4311] __x64_sys_setsockopt+0xb1/0xc0
[ 88.495440][ T4311] do_syscall_64+0x4c/0xa0
[ 88.500060][ T4311] ? clear_bhb_loop+0x30/0x80
[ 88.504825][ T4311] ? clear_bhb_loop+0x30/0x80
[ 88.509533][ T4311] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 88.515772][ T4311] RIP: 0033:0x7f408b418799
[ 88.520494][ T4311] 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
[ 88.541914][ T4311] RSP: 002b:00007ffcc757c0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 88.550420][ T4311] RAX: ffffffffffffffda RBX: 00007f408b691fa0 RCX: 00007f408b418799
[ 88.558712][ T4311] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006
[ 88.568019][ T4311] RBP: 00007f408b4aebd9 R08: 0000000000000010 R09: 0000000000000000
[ 88.576514][ T4311] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000
[ 88.585210][ T4311] R13: 00007f408b691fac R14: 00007f408b691fa0 R15: 00007f408b691fa0
[ 88.593680][ T4311]
[ 88.597271][ T4311] Kernel Offset: disabled
[ 88.601697][ T4311] Rebooting in 86400 seconds..