Warning: Permanently added '10.128.0.42' (ED25519) to the list of known hosts.
2026/04/03 09:28:54 parsed 1 programs
syzkaller login: [ 60.897148][ T4189] cgroup: Unknown subsys name 'net'
[ 61.055399][ T4189] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 62.576654][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 64.833456][ T4219] chnl_net:caif_netlink_parms(): no params data found
[ 64.890369][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state
[ 64.898274][ T4219] bridge0: port 1(bridge_slave_0) entered disabled state
[ 64.908264][ T4219] device bridge_slave_0 entered promiscuous mode
[ 64.920371][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state
[ 64.927535][ T4219] bridge0: port 2(bridge_slave_1) entered disabled state
[ 64.936351][ T4219] device bridge_slave_1 entered promiscuous mode
[ 64.968575][ T4219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 64.983009][ T4219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 65.014888][ T4219] team0: Port device team_slave_0 added
[ 65.024352][ T4219] team0: Port device team_slave_1 added
[ 65.049779][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 65.056768][ T4219] 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.
[ 65.084559][ T4219] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 65.109061][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 65.116061][ T4219] 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.
[ 65.144683][ T4219] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 65.185219][ T4219] device hsr_slave_0 entered promiscuous mode
[ 65.193448][ T4219] device hsr_slave_1 entered promiscuous mode
[ 65.340428][ T4219] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 65.353497][ T4219] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 65.364068][ T4219] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 65.374692][ T4219] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 65.408096][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.415371][ T4219] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 65.423686][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.430835][ T4219] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 65.497357][ T4219] 8021q: adding VLAN 0 to HW filter on device bond0
[ 65.516236][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 65.528977][ T145] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.538376][ T145] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.548250][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 65.564848][ T4219] 8021q: adding VLAN 0 to HW filter on device team0
[ 65.578109][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 65.588430][ T145] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.595592][ T145] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 65.619455][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 65.629816][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.636898][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 65.650713][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 65.661392][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 65.683655][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 65.700381][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 65.714018][ T4219] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 65.727594][ T4219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 65.737452][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 65.875962][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 65.884607][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 65.901959][ T4219] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 65.927123][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 65.937260][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 65.960832][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 65.971412][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 65.983018][ T4219] device veth0_vlan entered promiscuous mode
[ 65.991498][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 66.000161][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 66.015144][ T4219] device veth1_vlan entered promiscuous mode
[ 66.041798][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 66.051394][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 66.060345][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 66.070254][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 66.081253][ T4219] device veth0_macvtap entered promiscuous mode
[ 66.091871][ T4219] device veth1_macvtap entered promiscuous mode
[ 66.113037][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 66.121516][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 66.138331][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 66.148689][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 66.158237][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 66.173808][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 66.186840][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 66.198362][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 66.212050][ T4219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.221406][ T4219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.230270][ T4219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.239112][ T4219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.701861][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 66.710258][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 66.734844][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 66.751949][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 66.760414][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 66.776728][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/04/03 09:29:03 executed programs: 0
[ 68.235297][ T4282] chnl_net:caif_netlink_parms(): no params data found
[ 68.295969][ T4282] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.303193][ T4282] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.311767][ T4282] device bridge_slave_0 entered promiscuous mode
[ 68.320753][ T4282] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.328132][ T4282] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.337509][ T4282] device bridge_slave_1 entered promiscuous mode
[ 68.364148][ T4282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 68.377164][ T4282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 68.405860][ T4282] team0: Port device team_slave_0 added
[ 68.413877][ T4282] team0: Port device team_slave_1 added
[ 68.435132][ T4282] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 68.442286][ T4282] 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.
[ 68.469620][ T4282] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 68.482700][ T4282] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 68.491157][ T4282] 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.
[ 68.517345][ T4282] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 68.553041][ T4282] device hsr_slave_0 entered promiscuous mode
[ 68.562315][ T4282] device hsr_slave_1 entered promiscuous mode
[ 68.570692][ T4282] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 68.578635][ T4282] Cannot create hsr debugfs directory
[ 68.672918][ T4282] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 70.129843][ T4296] Bluetooth: hci0: command 0x0409 tx timeout
[ 71.266055][ T4282] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 71.412256][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.419002][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.431562][ T4282] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 71.486657][ T4282] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 71.685171][ T4282] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 71.694155][ T4282] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 71.703855][ T4282] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 71.712975][ T4282] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 71.776073][ T4282] 8021q: adding VLAN 0 to HW filter on device bond0
[ 71.797638][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 71.805802][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 71.815877][ T4282] 8021q: adding VLAN 0 to HW filter on device team0
[ 71.834254][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 71.844838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 71.853445][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 71.860512][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 71.869435][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 71.882063][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 71.890905][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 71.899792][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 71.906860][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 71.934686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 71.944705][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 71.954135][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 71.964971][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 71.973914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 71.983256][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 71.992237][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 72.002628][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 72.011171][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 72.024977][ T1488] device hsr_slave_0 left promiscuous mode
[ 72.031979][ T1488] device hsr_slave_1 left promiscuous mode
[ 72.038400][ T1488] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 72.045977][ T1488] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 72.054828][ T1488] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 72.063326][ T1488] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 72.071046][ T1488] device bridge_slave_1 left promiscuous mode
[ 72.077928][ T1488] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.091428][ T1488] device bridge_slave_0 left promiscuous mode
[ 72.097687][ T1488] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.114224][ T1488] device veth1_macvtap left promiscuous mode
[ 72.120635][ T1488] device veth0_macvtap left promiscuous mode
[ 72.126683][ T1488] device veth1_vlan left promiscuous mode
[ 72.133727][ T1488] device veth0_vlan left promiscuous mode
[ 72.209600][ T4227] Bluetooth: hci0: command 0x041b tx timeout
[ 72.297972][ T1488] team0 (unregistering): Port device team_slave_1 removed
[ 72.312137][ T1488] team0 (unregistering): Port device team_slave_0 removed
[ 72.325070][ T1488] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 72.340123][ T1488] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 72.390908][ T1488] bond0 (unregistering): Released all slaves
[ 72.435976][ T4282] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 72.447279][ T4282] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 72.455301][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 72.463940][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 72.570828][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 72.578277][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 72.591351][ T4282] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 72.614455][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 72.623356][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 72.641097][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 72.650393][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 72.661430][ T4282] device veth0_vlan entered promiscuous mode
[ 72.667837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 72.675760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 72.691176][ T4282] device veth1_vlan entered promiscuous mode
[ 72.710216][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 72.718250][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 72.726501][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 72.735677][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 72.745232][ T4282] device veth0_macvtap entered promiscuous mode
[ 72.755542][ T4282] device veth1_macvtap entered promiscuous mode
[ 72.762929][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 72.771222][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 72.790715][ T4282] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 72.798041][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 72.808109][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 72.820910][ T4282] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 72.831180][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 72.841116][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 72.853253][ T4282] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.863832][ T4282] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.872825][ T4282] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.881760][ T4282] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.938499][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.954499][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 72.964185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
2026/04/03 09:29:08 executed programs: 2
[ 72.990382][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.998224][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 73.006201][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 73.057548][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready
[ 73.132470][ T4309] ==================================================================
[ 73.140777][ T4309] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640
[ 73.148002][ T4309] Read of size 4 at addr ffff88807abf8d38 by task syz.0.19/4309
[ 73.155736][ T4309]
[ 73.158075][ T4309] CPU: 1 PID: 4309 Comm: syz.0.19 Not tainted syzkaller #0
[ 73.165288][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 73.175713][ T4309] Call Trace:
[ 73.179180][ T4309]
[ 73.182128][ T4309] dump_stack_lvl+0x188/0x250
[ 73.186828][ T4309] ? show_regs_print_info+0x20/0x20
[ 73.192216][ T4309] ? _printk+0xda/0x130
[ 73.196464][ T4309] ? ax25_fillin_cb+0x459/0x640
[ 73.201359][ T4309] ? load_image+0x400/0x400
[ 73.205969][ T4309] print_address_description+0x60/0x2d0
[ 73.211531][ T4309] ? ax25_fillin_cb+0x459/0x640
[ 73.216488][ T4309] kasan_report+0xdf/0x130
[ 73.220922][ T4309] ? ax25_fillin_cb+0x459/0x640
[ 73.225795][ T4309] ax25_fillin_cb+0x459/0x640
[ 73.230486][ T4309] ax25_setsockopt+0x8c9/0xa60
[ 73.235272][ T4309] ? ax25_shutdown+0x10/0x10
[ 73.239902][ T4309] ? aa_sock_opt_perm+0x74/0x100
[ 73.244865][ T4309] ? bpf_lsm_socket_setsockopt+0x5/0x10
[ 73.250433][ T4309] ? security_socket_setsockopt+0x7a/0xa0
[ 73.256590][ T4309] ? ax25_shutdown+0x10/0x10
[ 73.261215][ T4309] __sys_setsockopt+0x2bf/0x3d0
[ 73.266106][ T4309] __x64_sys_setsockopt+0xb1/0xc0
[ 73.271152][ T4309] do_syscall_64+0x4c/0xa0
[ 73.275670][ T4309] ? clear_bhb_loop+0x30/0x80
[ 73.280366][ T4309] ? clear_bhb_loop+0x30/0x80
[ 73.285060][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.291056][ T4309] RIP: 0033:0x7f94a7bf6819
[ 73.295497][ T4309] 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
[ 73.315408][ T4309] RSP: 002b:00007ffe07a46148 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 73.323857][ T4309] RAX: ffffffffffffffda RBX: 00007f94a7e6ffa0 RCX: 00007f94a7bf6819
[ 73.331847][ T4309] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006
[ 73.339841][ T4309] RBP: 00007f94a7c8cc91 R08: 0000000000000010 R09: 0000000000000000
[ 73.347827][ T4309] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000
[ 73.355893][ T4309] R13: 00007f94a7e6ffac R14: 00007f94a7e6ffa0 R15: 00007f94a7e6ffa0
[ 73.363984][ T4309]
[ 73.367018][ T4309]
[ 73.369461][ T4309] Allocated by task 4307:
[ 73.373798][ T4309] __kasan_kmalloc+0xb5/0xf0
[ 73.378434][ T4309] ax25_dev_device_up+0x50/0x580
[ 73.383389][ T4309] ax25_device_event+0x483/0x4f0
[ 73.388340][ T4309] raw_notifier_call_chain+0xcb/0x160
[ 73.393737][ T4309] __dev_notify_flags+0x194/0x300
[ 73.398781][ T4309] dev_change_flags+0xe3/0x1a0
[ 73.403565][ T4309] dev_ifsioc+0x130/0xd50
[ 73.407917][ T4309] dev_ioctl+0x545/0xe30
[ 73.412173][ T4309] sock_do_ioctl+0x245/0x320
[ 73.416772][ T4309] sock_ioctl+0x4d2/0x710
[ 73.421116][ T4309] __se_sys_ioctl+0xfa/0x170
[ 73.425717][ T4309] do_syscall_64+0x4c/0xa0
[ 73.430157][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.436152][ T4309]
[ 73.438488][ T4309] Freed by task 4308:
[ 73.442598][ T4309] kasan_set_track+0x4b/0x70
[ 73.447232][ T4309] kasan_set_free_info+0x1f/0x40
[ 73.452286][ T4309] ____kasan_slab_free+0xd5/0x110
[ 73.457342][ T4309] slab_free_freelist_hook+0xea/0x170
[ 73.462729][ T4309] kfree+0xef/0x2a0
[ 73.466561][ T4309] ax25_release+0x661/0x870
[ 73.471077][ T4309] sock_close+0xd5/0x240
[ 73.475340][ T4309] __fput+0x234/0x930
[ 73.479336][ T4309] task_work_run+0x125/0x1a0
[ 73.483946][ T4309] exit_to_user_mode_loop+0x10f/0x130
[ 73.489768][ T4309] exit_to_user_mode_prepare+0xee/0x180
[ 73.495345][ T4309] syscall_exit_to_user_mode+0x16/0x40
[ 73.500819][ T4309] do_syscall_64+0x58/0xa0
[ 73.505247][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.511271][ T4309]
[ 73.513615][ T4309] The buggy address belongs to the object at ffff88807abf8d00
[ 73.513615][ T4309] which belongs to the cache kmalloc-192 of size 192
[ 73.527681][ T4309] The buggy address is located 56 bytes inside of
[ 73.527681][ T4309] 192-byte region [ffff88807abf8d00, ffff88807abf8dc0)
[ 73.540893][ T4309] The buggy address belongs to the page:
[ 73.546626][ T4309] page:ffffea0001eafe00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7abf8
[ 73.556792][ T4309] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 73.564354][ T4309] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016c41a00
[ 73.572949][ T4309] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 73.581540][ T4309] page dumped because: kasan: bad access detected
[ 73.587961][ T4309] page_owner tracks the page as allocated
[ 73.593683][ T4309] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4282, ts 73040017310, free_ts 73039778775
[ 73.609857][ T4309] get_page_from_freelist+0x1bbd/0x1ca0
[ 73.615534][ T4309] __alloc_pages+0x1ee/0x480
[ 73.620147][ T4309] new_slab+0xb6/0x4b0
[ 73.624228][ T4309] ___slab_alloc+0x80a/0xdd0
[ 73.628921][ T4309] __kmalloc_node+0x200/0x3b0
[ 73.633610][ T4309] memcg_alloc_page_obj_cgroups+0x81/0x120
[ 73.639437][ T4309] slab_post_alloc_hook+0xba/0x380
[ 73.645021][ T4309] kmem_cache_alloc+0x100/0x290
[ 73.650076][ T4309] __d_alloc+0x2a/0x6f0
[ 73.654254][ T4309] d_alloc_pseudo+0x19/0x70
[ 73.658876][ T4309] alloc_file_pseudo+0xe0/0x200
[ 73.663757][ T4309] sock_alloc_file+0xb3/0x240
[ 73.668450][ T4309] __sys_socket+0x11d/0x170
[ 73.672969][ T4309] __x64_sys_socket+0x76/0x80
[ 73.677675][ T4309] do_syscall_64+0x4c/0xa0
[ 73.682127][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.688054][ T4309] page last free stack trace:
[ 73.692742][ T4309] free_unref_page_prepare+0x637/0x6c0
[ 73.698223][ T4309] free_unref_page+0x8f/0x2a0
[ 73.703003][ T4309] __vunmap+0x8b9/0xa50
[ 73.707174][ T4309] do_ipt_get_ctl+0xe5e/0x1110
[ 73.711950][ T4309] nf_getsockopt+0x25e/0x280
[ 73.716556][ T4309] ip_getsockopt+0x1256/0x16a0
[ 73.721338][ T4309] tcp_getsockopt+0x200/0x25a0
[ 73.726123][ T4309] __sys_getsockopt+0x1b0/0x230
[ 73.730987][ T4309] __x64_sys_getsockopt+0xb1/0xc0
[ 73.736047][ T4309] do_syscall_64+0x4c/0xa0
[ 73.740478][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.746391][ T4309]
[ 73.748731][ T4309] Memory state around the buggy address:
[ 73.754375][ T4309] ffff88807abf8c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 73.762440][ T4309] ffff88807abf8c80: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 73.770506][ T4309] >ffff88807abf8d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 73.778587][ T4309] ^
[ 73.785019][ T4309] ffff88807abf8d80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 73.793094][ T4309] ffff88807abf8e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 73.801245][ T4309] ==================================================================
[ 73.809307][ T4309] Disabling lock debugging due to kernel taint
[ 73.817733][ T4309] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 73.825041][ T4309] CPU: 0 PID: 4309 Comm: syz.0.19 Tainted: G B syzkaller #0
[ 73.833827][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 73.843903][ T4309] Call Trace:
[ 73.847178][ T4309]
[ 73.850093][ T4309] dump_stack_lvl+0x188/0x250
[ 73.855051][ T4309] ? show_regs_print_info+0x20/0x20
[ 73.860329][ T4309] ? load_image+0x400/0x400
[ 73.864841][ T4309] panic+0x2e5/0x810
[ 73.868918][ T4309] ? bpf_jit_dump+0xd0/0xd0
[ 73.873407][ T4309] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 73.879370][ T4309] ? _raw_spin_unlock+0x40/0x40
[ 73.884208][ T4309] ? print_memory_metadata+0x314/0x400
[ 73.889655][ T4309] ? ax25_fillin_cb+0x459/0x640
[ 73.894499][ T4309] check_panic_on_warn+0x80/0xa0
[ 73.899422][ T4309] ? ax25_fillin_cb+0x459/0x640
[ 73.904345][ T4309] end_report+0x6d/0xf0
[ 73.908491][ T4309] kasan_report+0x102/0x130
[ 73.913019][ T4309] ? ax25_fillin_cb+0x459/0x640
[ 73.917856][ T4309] ax25_fillin_cb+0x459/0x640
[ 73.922521][ T4309] ax25_setsockopt+0x8c9/0xa60
[ 73.927274][ T4309] ? ax25_shutdown+0x10/0x10
[ 73.931848][ T4309] ? aa_sock_opt_perm+0x74/0x100
[ 73.936783][ T4309] ? bpf_lsm_socket_setsockopt+0x5/0x10
[ 73.942348][ T4309] ? security_socket_setsockopt+0x7a/0xa0
[ 73.948097][ T4309] ? ax25_shutdown+0x10/0x10
[ 73.952680][ T4309] __sys_setsockopt+0x2bf/0x3d0
[ 73.957540][ T4309] __x64_sys_setsockopt+0xb1/0xc0
[ 73.962648][ T4309] do_syscall_64+0x4c/0xa0
[ 73.967143][ T4309] ? clear_bhb_loop+0x30/0x80
[ 73.971811][ T4309] ? clear_bhb_loop+0x30/0x80
[ 73.976480][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.982363][ T4309] RIP: 0033:0x7f94a7bf6819
[ 73.986771][ T4309] 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
[ 74.006368][ T4309] RSP: 002b:00007ffe07a46148 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 74.014786][ T4309] RAX: ffffffffffffffda RBX: 00007f94a7e6ffa0 RCX: 00007f94a7bf6819
[ 74.022747][ T4309] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006
[ 74.030705][ T4309] RBP: 00007f94a7c8cc91 R08: 0000000000000010 R09: 0000000000000000
[ 74.038661][ T4309] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000
[ 74.046629][ T4309] R13: 00007f94a7e6ffac R14: 00007f94a7e6ffa0 R15: 00007f94a7e6ffa0
[ 74.054607][ T4309]
[ 74.057972][ T4309] Kernel Offset: disabled
[ 74.062291][ T4309] Rebooting in 86400 seconds..