Warning: Permanently added '10.128.1.239' (ED25519) to the list of known hosts.
2025/09/20 13:10:36 parsed 1 programs
syzkaller login: [ 57.822036][ T4189] cgroup: Unknown subsys name 'net'
[ 57.922043][ T4189] cgroup: Unknown subsys name 'rlimit'
[ 59.211890][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 60.692616][ T1235] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 60.700724][ T1235] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 60.712534][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 60.727447][ T3098] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 60.735368][ T3098] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 60.744267][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 61.498339][ T4228] syz-executor (4228) used greatest stack depth: 21056 bytes left
[ 61.966375][ T4240] chnl_net:caif_netlink_parms(): no params data found
[ 62.019859][ T4240] bridge0: port 1(bridge_slave_0) entered blocking state
[ 62.027604][ T4240] bridge0: port 1(bridge_slave_0) entered disabled state
[ 62.035599][ T4240] device bridge_slave_0 entered promiscuous mode
[ 62.045505][ T4240] bridge0: port 2(bridge_slave_1) entered blocking state
[ 62.052886][ T4240] bridge0: port 2(bridge_slave_1) entered disabled state
[ 62.061000][ T4240] device bridge_slave_1 entered promiscuous mode
[ 62.083211][ T4240] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 62.094633][ T4240] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 62.118350][ T4240] team0: Port device team_slave_0 added
[ 62.126248][ T4240] team0: Port device team_slave_1 added
[ 62.150316][ T4240] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 62.157343][ T4240] 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.
[ 62.184892][ T4240] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 62.198343][ T4240] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 62.205286][ T4240] 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.
[ 62.231262][ T4240] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 62.259260][ T4240] device hsr_slave_0 entered promiscuous mode
[ 62.266093][ T4240] device hsr_slave_1 entered promiscuous mode
[ 62.435150][ T4240] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 62.445119][ T4240] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 62.453702][ T4240] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 62.463471][ T4240] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 62.484972][ T4240] bridge0: port 2(bridge_slave_1) entered blocking state
[ 62.492153][ T4240] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 62.500003][ T4240] bridge0: port 1(bridge_slave_0) entered blocking state
[ 62.507083][ T4240] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 62.542083][ T4240] 8021q: adding VLAN 0 to HW filter on device bond0
[ 62.554303][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 62.563542][ T3098] bridge0: port 1(bridge_slave_0) entered disabled state
[ 62.571777][ T3098] bridge0: port 2(bridge_slave_1) entered disabled state
[ 62.583128][ T4240] 8021q: adding VLAN 0 to HW filter on device team0
[ 62.594633][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 62.603297][ T3098] bridge0: port 1(bridge_slave_0) entered blocking state
[ 62.610378][ T3098] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 62.622347][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 62.630855][ T3098] bridge0: port 2(bridge_slave_1) entered blocking state
[ 62.637922][ T3098] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 62.654614][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 62.663525][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 62.679622][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 62.688369][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 62.698964][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 62.711099][ T4240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 62.788619][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 62.796076][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 62.809561][ T4240] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 62.823996][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 62.832945][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 62.862485][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 62.871057][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 62.881605][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 62.889294][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 62.897951][ T4240] device veth0_vlan entered promiscuous mode
[ 62.921539][ T4240] device veth1_vlan entered promiscuous mode
[ 62.936758][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 62.946081][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 62.954514][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 62.963620][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 62.973826][ T4240] device veth0_macvtap entered promiscuous mode
[ 62.996592][ T4240] device veth1_macvtap entered promiscuous mode
[ 63.015716][ T4240] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 63.023284][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 63.031943][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 63.040077][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 63.048885][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 63.060132][ T4240] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 63.070248][ T4240] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 63.079222][ T4240] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 63.088435][ T4240] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 63.097346][ T4240] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 63.108153][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 63.116579][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 63.211800][ T4240] syz-executor (4240) used greatest stack depth: 20704 bytes left
2025/09/20 13:10:44 executed programs: 0
[ 64.357721][ T4295] chnl_net:caif_netlink_parms(): no params data found
[ 64.414168][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state
[ 64.421531][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state
[ 64.432324][ T4295] device bridge_slave_0 entered promiscuous mode
[ 64.442220][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state
[ 64.451806][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state
[ 64.460102][ T4295] device bridge_slave_1 entered promiscuous mode
[ 64.488698][ T4295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 64.505370][ T4295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 64.537759][ T4295] team0: Port device team_slave_0 added
[ 64.545654][ T4295] team0: Port device team_slave_1 added
[ 64.571226][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 64.580889][ T4295] 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.
[ 64.609387][ T4295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 64.622141][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 64.631659][ T4295] 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.
[ 64.659830][ T4295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 64.702068][ T4295] device hsr_slave_0 entered promiscuous mode
[ 64.711433][ T4295] device hsr_slave_1 entered promiscuous mode
[ 64.718879][ T4295] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 64.726712][ T4295] Cannot create hsr debugfs directory
[ 64.820045][ T4295] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.277656][ T4257] Bluetooth: hci0: command 0x0409 tx timeout
[ 67.873406][ T4295] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 67.991341][ T4295] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 68.064178][ T4295] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 68.144415][ T4295] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 68.153567][ T4295] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 68.163534][ T4295] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 68.174363][ T4295] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 68.233038][ T4295] 8021q: adding VLAN 0 to HW filter on device bond0
[ 68.259781][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 68.267571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 68.278973][ T4295] 8021q: adding VLAN 0 to HW filter on device team0
[ 68.289245][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 68.298504][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 68.306896][ T3098] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.313969][ T3098] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.323704][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 68.338602][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 68.347416][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 68.356341][ T3098] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.363411][ T3098] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.368408][ T4264] Bluetooth: hci0: command 0x041b tx timeout
[ 68.389309][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 68.398547][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 68.408773][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 68.418600][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 68.429581][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 68.454592][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 68.463293][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 68.473029][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 68.482064][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 68.507430][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 68.515860][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 68.526112][ T4295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 68.616234][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 68.623954][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 68.635114][ T4295] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 68.650925][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 68.660932][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 68.679177][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 68.688324][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 68.696531][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 68.705821][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 68.715881][ T4295] device veth0_vlan entered promiscuous mode
[ 68.726693][ T154] device hsr_slave_0 left promiscuous mode
[ 68.733248][ T154] device hsr_slave_1 left promiscuous mode
[ 68.740262][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 68.748071][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 68.756039][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 68.763775][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 68.771982][ T154] device bridge_slave_1 left promiscuous mode
[ 68.779364][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.792053][ T154] device bridge_slave_0 left promiscuous mode
[ 68.799339][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.815363][ T154] device veth1_macvtap left promiscuous mode
[ 68.822329][ T154] device veth0_macvtap left promiscuous mode
[ 68.828604][ T154] device veth1_vlan left promiscuous mode
[ 68.834514][ T154] device veth0_vlan left promiscuous mode
[ 68.964033][ T154] team0 (unregistering): Port device team_slave_1 removed
[ 68.976697][ T154] team0 (unregistering): Port device team_slave_0 removed
[ 68.989720][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 69.002155][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 69.051557][ T154] bond0 (unregistering): Released all slaves
[ 69.104749][ T4295] device veth1_vlan entered promiscuous mode
[ 69.125877][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 69.134489][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 69.142772][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 69.151950][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 69.162145][ T4295] device veth0_macvtap entered promiscuous mode
[ 69.173702][ T4295] device veth1_macvtap entered promiscuous mode
[ 69.190463][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 69.203051][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 69.211394][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 69.219769][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 69.228616][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 69.237217][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 69.245798][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 69.259525][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 69.273775][ T4295] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.282765][ T4295] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.291624][ T4295] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.300471][ T4295] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.360390][ T1276] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.380730][ T1276] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/09/20 13:10:49 executed programs: 2
[ 69.405368][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 69.414638][ T1276] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.423032][ T1276] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.432138][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 69.471701][ T4313] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready
[ 69.512714][ T4315] ==================================================================
[ 69.520963][ T4315] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640
[ 69.528180][ T4315] Read of size 4 at addr ffff888024382b38 by task syz.0.19/4315
[ 69.535800][ T4315]
[ 69.538124][ T4315] CPU: 1 PID: 4315 Comm: syz.0.19 Not tainted syzkaller #0
[ 69.545310][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 69.555368][ T4315] Call Trace:
[ 69.558643][ T4315]
[ 69.561568][ T4315] dump_stack_lvl+0x168/0x230
[ 69.566244][ T4315] ? show_regs_print_info+0x20/0x20
[ 69.571442][ T4315] ? _printk+0xcc/0x110
[ 69.575603][ T4315] ? ax25_fillin_cb+0x459/0x640
[ 69.580456][ T4315] ? load_image+0x3b0/0x3b0
[ 69.584972][ T4315] print_address_description+0x60/0x2d0
[ 69.590518][ T4315] ? ax25_fillin_cb+0x459/0x640
[ 69.595360][ T4315] kasan_report+0xdf/0x130
[ 69.599774][ T4315] ? ax25_fillin_cb+0x459/0x640
[ 69.604621][ T4315] ax25_fillin_cb+0x459/0x640
[ 69.609295][ T4315] ax25_setsockopt+0x8a2/0xa40
[ 69.614065][ T4315] ? ax25_shutdown+0x10/0x10
[ 69.618655][ T4315] ? aa_sock_opt_perm+0x74/0x100
[ 69.623587][ T4315] ? bpf_lsm_socket_setsockopt+0x5/0x10
[ 69.629128][ T4315] ? security_socket_setsockopt+0x7a/0xa0
[ 69.634858][ T4315] ? ax25_shutdown+0x10/0x10
[ 69.639464][ T4315] __sys_setsockopt+0x2bf/0x3d0
[ 69.644336][ T4315] __x64_sys_setsockopt+0xb1/0xc0
[ 69.649369][ T4315] do_syscall_64+0x4c/0xa0
[ 69.653792][ T4315] ? clear_bhb_loop+0x30/0x80
[ 69.658465][ T4315] ? clear_bhb_loop+0x30/0x80
[ 69.663157][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.669053][ T4315] RIP: 0033:0x7f1e99750c29
[ 69.673464][ T4315] 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
[ 69.693098][ T4315] RSP: 002b:00007ffcb110ddd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 69.701971][ T4315] RAX: ffffffffffffffda RBX: 00007f1e99997fa0 RCX: 00007f1e99750c29
[ 69.710062][ T4315] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007
[ 69.718127][ T4315] RBP: 00007f1e997d3e41 R08: 0000000000000010 R09: 0000000000000000
[ 69.726093][ T4315] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000
[ 69.734058][ T4315] R13: 00007f1e99997fa0 R14: 00007f1e99997fa0 R15: 0000000000000005
[ 69.742069][ T4315]
[ 69.745080][ T4315]
[ 69.747392][ T4315] Allocated by task 4313:
[ 69.751705][ T4315] __kasan_kmalloc+0xb5/0xf0
[ 69.756291][ T4315] ax25_dev_device_up+0x50/0x580
[ 69.761224][ T4315] ax25_device_event+0x483/0x4f0
[ 69.766160][ T4315] raw_notifier_call_chain+0xcb/0x160
[ 69.771614][ T4315] __dev_notify_flags+0x178/0x2d0
[ 69.776631][ T4315] dev_change_flags+0xe3/0x1a0
[ 69.781382][ T4315] dev_ifsioc+0x147/0xe70
[ 69.785794][ T4315] dev_ioctl+0x55f/0xe50
[ 69.790032][ T4315] sock_do_ioctl+0x222/0x2f0
[ 69.794613][ T4315] sock_ioctl+0x4ed/0x6e0
[ 69.798938][ T4315] __se_sys_ioctl+0xfa/0x170
[ 69.803525][ T4315] do_syscall_64+0x4c/0xa0
[ 69.807946][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.813848][ T4315]
[ 69.816167][ T4315] Freed by task 4314:
[ 69.820138][ T4315] kasan_set_track+0x4b/0x70
[ 69.824728][ T4315] kasan_set_free_info+0x1f/0x40
[ 69.829661][ T4315] ____kasan_slab_free+0xd5/0x110
[ 69.834678][ T4315] slab_free_freelist_hook+0xea/0x170
[ 69.840039][ T4315] kfree+0xef/0x2a0
[ 69.843838][ T4315] ax25_release+0x661/0x870
[ 69.848330][ T4315] sock_close+0xd5/0x240
[ 69.852566][ T4315] __fput+0x234/0x930
[ 69.856540][ T4315] task_work_run+0x125/0x1a0
[ 69.861120][ T4315] exit_to_user_mode_loop+0x10f/0x130
[ 69.866489][ T4315] exit_to_user_mode_prepare+0xee/0x180
[ 69.872031][ T4315] syscall_exit_to_user_mode+0x16/0x40
[ 69.877487][ T4315] do_syscall_64+0x58/0xa0
[ 69.881893][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.887780][ T4315]
[ 69.890093][ T4315] The buggy address belongs to the object at ffff888024382b00
[ 69.890093][ T4315] which belongs to the cache kmalloc-192 of size 192
[ 69.904136][ T4315] The buggy address is located 56 bytes inside of
[ 69.904136][ T4315] 192-byte region [ffff888024382b00, ffff888024382bc0)
[ 69.917317][ T4315] The buggy address belongs to the page:
[ 69.922951][ T4315] page:ffffea000090e080 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x24382
[ 69.933126][ T4315] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 69.940685][ T4315] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00
[ 69.950560][ T4315] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 69.959129][ T4315] page dumped because: kasan: bad access detected
[ 69.965541][ T4315] page_owner tracks the page as allocated
[ 69.971239][ T4315] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4295, ts 69460627970, free_ts 69402477832
[ 69.987201][ T4315] get_page_from_freelist+0x1b77/0x1c60
[ 69.992743][ T4315] __alloc_pages+0x1e1/0x470
[ 69.997324][ T4315] new_slab+0xb6/0x4b0
[ 70.001381][ T4315] ___slab_alloc+0x81e/0xdf0
[ 70.005956][ T4315] __kmalloc_node+0x200/0x3b0
[ 70.010618][ T4315] memcg_alloc_page_obj_cgroups+0x81/0x120
[ 70.016508][ T4315] slab_post_alloc_hook+0xba/0x380
[ 70.021607][ T4315] kmem_cache_alloc+0x100/0x290
[ 70.026447][ T4315] sock_alloc_inode+0x17/0xb0
[ 70.031122][ T4315] new_inode_pseudo+0x5f/0x210
[ 70.035876][ T4315] __sock_create+0x129/0x900
[ 70.040458][ T4315] __sys_socket+0xe2/0x170
[ 70.044861][ T4315] __x64_sys_socket+0x76/0x80
[ 70.049527][ T4315] do_syscall_64+0x4c/0xa0
[ 70.053933][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.059824][ T4315] page last free stack trace:
[ 70.064486][ T4315] free_unref_page_prepare+0x637/0x6c0
[ 70.069940][ T4315] free_unref_page+0x94/0x280
[ 70.074608][ T4315] __unfreeze_partials+0x1a5/0x200
[ 70.079717][ T4315] put_cpu_partial+0x12d/0x190
[ 70.084473][ T4315] qlist_free_all+0x35/0x90
[ 70.088979][ T4315] kasan_quarantine_reduce+0x150/0x160
[ 70.094430][ T4315] __kasan_slab_alloc+0x2f/0xd0
[ 70.099269][ T4315] slab_post_alloc_hook+0x4c/0x380
[ 70.104379][ T4315] kmem_cache_alloc_node+0x12d/0x2d0
[ 70.109656][ T4315] __alloc_skb+0xf4/0x750
[ 70.113980][ T4315] netlink_ack+0x3a6/0xb60
[ 70.118389][ T4315] netlink_rcv_skb+0x265/0x430
[ 70.123144][ T4315] genl_rcv+0x24/0x40
[ 70.127149][ T4315] netlink_unicast+0x774/0x920
[ 70.131903][ T4315] netlink_sendmsg+0x8ab/0xbc0
[ 70.136653][ T4315] __sys_sendto+0x423/0x580
[ 70.141150][ T4315]
[ 70.143457][ T4315] Memory state around the buggy address:
[ 70.149160][ T4315] ffff888024382a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 70.157206][ T4315] ffff888024382a80: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
[ 70.165254][ T4315] >ffff888024382b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.173301][ T4315] ^
[ 70.179181][ T4315] ffff888024382b80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 70.187229][ T4315] ffff888024382c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 70.195274][ T4315] ==================================================================
[ 70.203402][ T4315] Disabling lock debugging due to kernel taint
[ 70.213302][ T4315] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 70.220506][ T4315] CPU: 1 PID: 4315 Comm: syz.0.19 Tainted: G B syzkaller #0
[ 70.229082][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 70.239122][ T4315] Call Trace:
[ 70.242386][ T4315]
[ 70.245302][ T4315] dump_stack_lvl+0x168/0x230
[ 70.249972][ T4315] ? show_regs_print_info+0x20/0x20
[ 70.255165][ T4315] ? load_image+0x3b0/0x3b0
[ 70.259657][ T4315] panic+0x2c9/0x7f0
[ 70.263536][ T4315] ? bpf_jit_dump+0xd0/0xd0
[ 70.268024][ T4315] ? _raw_spin_unlock_irqrestore+0xf6/0x100
[ 70.273906][ T4315] ? _raw_spin_unlock+0x40/0x40
[ 70.278742][ T4315] ? print_memory_metadata+0x314/0x400
[ 70.284247][ T4315] ? ax25_fillin_cb+0x459/0x640
[ 70.289082][ T4315] check_panic_on_warn+0x80/0xa0
[ 70.294011][ T4315] ? ax25_fillin_cb+0x459/0x640
[ 70.298846][ T4315] end_report+0x6d/0xf0
[ 70.302986][ T4315] kasan_report+0x102/0x130
[ 70.307565][ T4315] ? ax25_fillin_cb+0x459/0x640
[ 70.312401][ T4315] ax25_fillin_cb+0x459/0x640
[ 70.317058][ T4315] ax25_setsockopt+0x8a2/0xa40
[ 70.321796][ T4315] ? ax25_shutdown+0x10/0x10
[ 70.326354][ T4315] ? aa_sock_opt_perm+0x74/0x100
[ 70.331265][ T4315] ? bpf_lsm_socket_setsockopt+0x5/0x10
[ 70.336784][ T4315] ? security_socket_setsockopt+0x7a/0xa0
[ 70.342477][ T4315] ? ax25_shutdown+0x10/0x10
[ 70.347039][ T4315] __sys_setsockopt+0x2bf/0x3d0
[ 70.352086][ T4315] __x64_sys_setsockopt+0xb1/0xc0
[ 70.357102][ T4315] do_syscall_64+0x4c/0xa0
[ 70.361510][ T4315] ? clear_bhb_loop+0x30/0x80
[ 70.366177][ T4315] ? clear_bhb_loop+0x30/0x80
[ 70.370829][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.376700][ T4315] RIP: 0033:0x7f1e99750c29
[ 70.381093][ T4315] 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
[ 70.400787][ T4315] RSP: 002b:00007ffcb110ddd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 70.409202][ T4315] RAX: ffffffffffffffda RBX: 00007f1e99997fa0 RCX: 00007f1e99750c29
[ 70.417152][ T4315] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007
[ 70.425202][ T4315] RBP: 00007f1e997d3e41 R08: 0000000000000010 R09: 0000000000000000
[ 70.433147][ T4315] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000
[ 70.441094][ T4315] R13: 00007f1e99997fa0 R14: 00007f1e99997fa0 R15: 0000000000000005
[ 70.449048][ T4315]
[ 70.452264][ T4315] Kernel Offset: disabled
[ 70.456595][ T4315] Rebooting in 86400 seconds..