Warning: Permanently added '10.128.1.120' (ED25519) to the list of known hosts. 2025/08/09 05:18:22 ignoring optional flag "sandboxArg"="0" 2025/08/09 05:18:23 parsed 1 programs [ 62.603384][ T4189] cgroup: Unknown subsys name 'net' [ 62.742821][ T4189] cgroup: Unknown subsys name 'rlimit' [ 64.166044][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 65.683800][ T4203] chnl_net:caif_netlink_parms(): no params data found [ 65.728003][ T4203] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.735554][ T4203] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.743532][ T4203] device bridge_slave_0 entered promiscuous mode [ 65.754880][ T4203] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.762327][ T4203] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.770261][ T4203] device bridge_slave_1 entered promiscuous mode [ 65.791706][ T4203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.804756][ T4203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.828612][ T4203] team0: Port device team_slave_0 added [ 65.835901][ T4203] team0: Port device team_slave_1 added [ 65.858030][ T4203] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.864986][ T4203] 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. [ 65.891672][ T4203] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.904482][ T4203] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.911570][ T4203] 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. [ 65.937563][ T4203] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.969539][ T4203] device hsr_slave_0 entered promiscuous mode [ 65.976255][ T4203] device hsr_slave_1 entered promiscuous mode [ 66.074154][ T4203] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.084199][ T4203] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.093291][ T4203] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.102317][ T4203] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.128228][ T4203] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.135359][ T4203] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.143182][ T4203] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.150254][ T4203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.188988][ T4203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.206961][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.217850][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.226584][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.234950][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.248651][ T4203] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.262127][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.271115][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.278217][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.300866][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.311650][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.318798][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.328352][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.348718][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.357385][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.365886][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.374660][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.386748][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.502880][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.511028][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.524971][ T4203] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.546393][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.570456][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.580412][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.588609][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.598784][ T4203] device veth0_vlan entered promiscuous mode [ 66.611162][ T4203] device veth1_vlan entered promiscuous mode [ 66.633410][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.641629][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.650502][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.662293][ T4203] device veth0_macvtap entered promiscuous mode [ 66.673364][ T4203] device veth1_macvtap entered promiscuous mode [ 66.691051][ T4203] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.699727][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.709571][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.721877][ T4203] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.731400][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.740688][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.752503][ T4203] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.761633][ T4203] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.771247][ T4203] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.780255][ T4203] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.890456][ T4203] syz-executor (4203) used greatest stack depth: 20960 bytes left [ 67.570353][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.913167][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.050042][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.056527][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.935074][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.014898][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.350766][ T3091] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.369868][ T3091] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.390611][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.404005][ T1167] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.413036][ T1167] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.422035][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.853455][ T154] device hsr_slave_0 left promiscuous mode [ 72.869671][ T154] device hsr_slave_1 left promiscuous mode [ 72.877931][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.885463][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.894493][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.902121][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.910878][ T154] device bridge_slave_1 left promiscuous mode [ 72.917748][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.933230][ T154] device bridge_slave_0 left promiscuous mode [ 72.939776][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.961561][ T154] device veth1_macvtap left promiscuous mode [ 72.974963][ T154] device veth0_macvtap left promiscuous mode [ 72.981783][ T154] device veth1_vlan left promiscuous mode [ 72.987767][ T154] device veth0_vlan left promiscuous mode 2025/08/09 05:18:36 executed programs: 0 [ 73.173510][ T154] team0 (unregistering): Port device team_slave_1 removed [ 73.191066][ T154] team0 (unregistering): Port device team_slave_0 removed [ 73.214373][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.228823][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.279166][ T154] bond0 (unregistering): Released all slaves [ 73.454420][ T4316] chnl_net:caif_netlink_parms(): no params data found [ 73.523144][ T4316] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.530765][ T4316] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.539004][ T4316] device bridge_slave_0 entered promiscuous mode [ 73.549274][ T4316] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.556436][ T4316] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.564556][ T4316] device bridge_slave_1 entered promiscuous mode [ 73.602533][ T4316] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.613927][ T4316] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.643335][ T4316] team0: Port device team_slave_0 added [ 73.651099][ T4316] team0: Port device team_slave_1 added [ 73.673820][ T4316] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.680995][ T4316] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 73.707362][ T4316] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.719646][ T4316] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.726925][ T4316] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 73.752903][ T4316] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.803166][ T4316] device hsr_slave_0 entered promiscuous mode [ 73.810858][ T4316] device hsr_slave_1 entered promiscuous mode [ 74.342200][ T4316] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.351543][ T4316] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.362439][ T4316] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.372451][ T4316] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.454262][ T4316] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.468818][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.480601][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.491751][ T4316] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.502457][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.511407][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.522659][ T3091] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.529763][ T3091] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.546386][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.554990][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.564589][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.573258][ T3091] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.580613][ T3091] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.590856][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.610142][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.619512][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.631486][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.640764][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.652355][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.661270][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.676047][ T4316] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.688275][ T4316] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.700987][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.709727][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.718711][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.728372][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.736690][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.904284][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.927121][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.940206][ T4316] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.973990][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.988674][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.029755][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.056993][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.076352][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.085225][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.110458][ T4316] device veth0_vlan entered promiscuous mode [ 75.135046][ T4316] device veth1_vlan entered promiscuous mode [ 75.188291][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.197151][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.207971][ T4218] Bluetooth: hci0: command 0x0409 tx timeout [ 75.217829][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.237331][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.259934][ T4316] device veth0_macvtap entered promiscuous mode [ 75.280971][ T4316] device veth1_macvtap entered promiscuous mode [ 75.311113][ T4316] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.328449][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.337565][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.359205][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.377786][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.396152][ T4316] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.407103][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.418666][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.439289][ T4316] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.458475][ T4316] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.476857][ T4316] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.485586][ T4316] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.595672][ T3091] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.632307][ T3091] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.634030][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.642760][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.659819][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.669645][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.726393][ T154] ODEBUG: Out of memory. ODEBUG disabled [ 75.739649][ T4402] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 75.826558][ T4405] ================================================================== [ 75.834851][ T4405] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 75.842085][ T4405] Read of size 4 at addr ffff88807c276538 by task syz.0.19/4405 [ 75.849728][ T4405] [ 75.852063][ T4405] CPU: 1 PID: 4405 Comm: syz.0.19 Not tainted 5.15.189-syzkaller #0 [ 75.860055][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 75.870131][ T4405] Call Trace: [ 75.873435][ T4405] [ 75.876380][ T4405] dump_stack_lvl+0x168/0x230 [ 75.881079][ T4405] ? show_regs_print_info+0x20/0x20 [ 75.886298][ T4405] ? _printk+0xcc/0x110 [ 75.890466][ T4405] ? ax25_fillin_cb+0x459/0x640 [ 75.895341][ T4405] ? load_image+0x3b0/0x3b0 [ 75.899874][ T4405] print_address_description+0x60/0x2d0 [ 75.905448][ T4405] ? ax25_fillin_cb+0x459/0x640 [ 75.910321][ T4405] kasan_report+0xdf/0x130 [ 75.914775][ T4405] ? ax25_fillin_cb+0x459/0x640 [ 75.919654][ T4405] ax25_fillin_cb+0x459/0x640 [ 75.924354][ T4405] ax25_setsockopt+0x8a2/0xa40 [ 75.929155][ T4405] ? ax25_shutdown+0x10/0x10 [ 75.933771][ T4405] ? aa_sock_opt_perm+0x74/0x100 [ 75.938731][ T4405] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 75.944298][ T4405] ? security_socket_setsockopt+0x7a/0xa0 [ 75.950034][ T4405] ? ax25_shutdown+0x10/0x10 [ 75.954651][ T4405] __sys_setsockopt+0x2bf/0x3d0 [ 75.959543][ T4405] __x64_sys_setsockopt+0xb1/0xc0 [ 75.964591][ T4405] do_syscall_64+0x4c/0xa0 [ 75.969040][ T4405] ? clear_bhb_loop+0x30/0x80 [ 75.973728][ T4405] ? clear_bhb_loop+0x30/0x80 [ 75.978421][ T4405] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.984345][ T4405] RIP: 0033:0x7f6e0f6f0be9 [ 75.988775][ T4405] 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 [ 76.008396][ T4405] RSP: 002b:00007ffcea91b648 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 76.017049][ T4405] RAX: ffffffffffffffda RBX: 00007f6e0f917fa0 RCX: 00007f6e0f6f0be9 [ 76.025045][ T4405] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 76.033026][ T4405] RBP: 00007f6e0f773e19 R08: 0000000000000010 R09: 0000000000000000 [ 76.040996][ T4405] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 76.048985][ T4405] R13: 00007f6e0f917fa0 R14: 00007f6e0f917fa0 R15: 0000000000000005 [ 76.056965][ T4405] [ 76.059991][ T4405] [ 76.062304][ T4405] Allocated by task 4402: [ 76.066619][ T4405] __kasan_kmalloc+0xb5/0xf0 [ 76.071209][ T4405] ax25_dev_device_up+0x50/0x580 [ 76.076138][ T4405] ax25_device_event+0x483/0x4f0 [ 76.081062][ T4405] raw_notifier_call_chain+0xcb/0x160 [ 76.086451][ T4405] __dev_notify_flags+0x178/0x2d0 [ 76.091479][ T4405] dev_change_flags+0xe3/0x1a0 [ 76.096232][ T4405] dev_ifsioc+0x147/0xe70 [ 76.100555][ T4405] dev_ioctl+0x55f/0xe50 [ 76.104791][ T4405] sock_do_ioctl+0x222/0x2f0 [ 76.109377][ T4405] sock_ioctl+0x4ed/0x6e0 [ 76.113695][ T4405] __se_sys_ioctl+0xfa/0x170 [ 76.118271][ T4405] do_syscall_64+0x4c/0xa0 [ 76.122680][ T4405] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.128579][ T4405] [ 76.130908][ T4405] Freed by task 4404: [ 76.134872][ T4405] kasan_set_track+0x4b/0x70 [ 76.139472][ T4405] kasan_set_free_info+0x1f/0x40 [ 76.144406][ T4405] ____kasan_slab_free+0xd5/0x110 [ 76.149427][ T4405] slab_free_freelist_hook+0xea/0x170 [ 76.154793][ T4405] kfree+0xef/0x2a0 [ 76.158593][ T4405] ax25_release+0x661/0x870 [ 76.163088][ T4405] sock_close+0xd5/0x240 [ 76.167325][ T4405] __fput+0x234/0x930 [ 76.171300][ T4405] task_work_run+0x125/0x1a0 [ 76.175883][ T4405] exit_to_user_mode_loop+0x10f/0x130 [ 76.181268][ T4405] exit_to_user_mode_prepare+0xb1/0x140 [ 76.186824][ T4405] syscall_exit_to_user_mode+0x16/0x40 [ 76.192276][ T4405] do_syscall_64+0x58/0xa0 [ 76.196692][ T4405] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.202579][ T4405] [ 76.204893][ T4405] The buggy address belongs to the object at ffff88807c276500 [ 76.204893][ T4405] which belongs to the cache kmalloc-192 of size 192 [ 76.218943][ T4405] The buggy address is located 56 bytes inside of [ 76.218943][ T4405] 192-byte region [ffff88807c276500, ffff88807c2765c0) [ 76.232139][ T4405] The buggy address belongs to the page: [ 76.237759][ T4405] page:ffffea0001f09d80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7c276 [ 76.247903][ T4405] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 76.255456][ T4405] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 [ 76.264031][ T4405] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 76.272601][ T4405] page dumped because: kasan: bad access detected [ 76.279013][ T4405] page_owner tracks the page as allocated [ 76.284729][ T4405] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4402, ts 75735159077, free_ts 75616324632 [ 76.300731][ T4405] get_page_from_freelist+0x1b77/0x1c60 [ 76.306276][ T4405] __alloc_pages+0x1e1/0x470 [ 76.310858][ T4405] new_slab+0xb6/0x4b0 [ 76.314918][ T4405] ___slab_alloc+0x81e/0xdf0 [ 76.319510][ T4405] __kmalloc_node+0x200/0x3b0 [ 76.324187][ T4405] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 76.329995][ T4405] slab_post_alloc_hook+0xba/0x380 [ 76.335111][ T4405] kmem_cache_alloc+0x100/0x290 [ 76.339957][ T4405] __d_alloc+0x2a/0x6f0 [ 76.344103][ T4405] d_alloc+0x47/0x1a0 [ 76.348073][ T4405] lookup_one_qstr_excl+0xc6/0x240 [ 76.353170][ T4405] filename_create+0x21e/0x450 [ 76.357923][ T4405] do_symlinkat+0xb3/0x6c0 [ 76.362323][ T4405] __x64_sys_symlinkat+0x95/0xa0 [ 76.367252][ T4405] do_syscall_64+0x4c/0xa0 [ 76.371655][ T4405] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.377547][ T4405] page last free stack trace: [ 76.382228][ T4405] free_unref_page_prepare+0x637/0x6c0 [ 76.387679][ T4405] free_unref_page_list+0x122/0x7e0 [ 76.392881][ T4405] release_pages+0x184b/0x1bb0 [ 76.397633][ T4405] tlb_finish_mmu+0x164/0x2e0 [ 76.402296][ T4405] exit_mmap+0x3a6/0x5f0 [ 76.406525][ T4405] __mmput+0x115/0x3b0 [ 76.410594][ T4405] exit_mm+0x567/0x6c0 [ 76.414659][ T4405] do_exit+0x5a1/0x20a0 [ 76.418825][ T4405] do_group_exit+0x12e/0x300 [ 76.423401][ T4405] __x64_sys_exit_group+0x3b/0x40 [ 76.428417][ T4405] do_syscall_64+0x4c/0xa0 [ 76.432833][ T4405] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.438716][ T4405] [ 76.441024][ T4405] Memory state around the buggy address: [ 76.446637][ T4405] ffff88807c276400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 76.454699][ T4405] ffff88807c276480: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc [ 76.462749][ T4405] >ffff88807c276500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 76.470794][ T4405] ^ [ 76.476668][ T4405] ffff88807c276580: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 76.484735][ T4405] ffff88807c276600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 76.492784][ T4405] ================================================================== [ 76.500836][ T4405] Disabling lock debugging due to kernel taint [ 76.516354][ T4405] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 76.523566][ T4405] CPU: 1 PID: 4405 Comm: syz.0.19 Tainted: G B 5.15.189-syzkaller #0 [ 76.532919][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 76.542963][ T4405] Call Trace: [ 76.546317][ T4405] [ 76.549325][ T4405] dump_stack_lvl+0x168/0x230 [ 76.554016][ T4405] ? show_regs_print_info+0x20/0x20 [ 76.559207][ T4405] ? load_image+0x3b0/0x3b0 [ 76.563705][ T4405] panic+0x2c9/0x7f0 [ 76.567602][ T4405] ? bpf_jit_dump+0xd0/0xd0 [ 76.572112][ T4405] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 76.578004][ T4405] ? _raw_spin_unlock+0x40/0x40 [ 76.582845][ T4405] ? print_memory_metadata+0x314/0x400 [ 76.588301][ T4405] ? ax25_fillin_cb+0x459/0x640 [ 76.593156][ T4405] check_panic_on_warn+0x80/0xa0 [ 76.598094][ T4405] ? ax25_fillin_cb+0x459/0x640 [ 76.602942][ T4405] end_report+0x6d/0xf0 [ 76.607097][ T4405] kasan_report+0x102/0x130 [ 76.611598][ T4405] ? ax25_fillin_cb+0x459/0x640 [ 76.616440][ T4405] ax25_fillin_cb+0x459/0x640 [ 76.621111][ T4405] ax25_setsockopt+0x8a2/0xa40 [ 76.625896][ T4405] ? ax25_shutdown+0x10/0x10 [ 76.630484][ T4405] ? aa_sock_opt_perm+0x74/0x100 [ 76.635425][ T4405] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 76.640977][ T4405] ? security_socket_setsockopt+0x7a/0xa0 [ 76.646687][ T4405] ? ax25_shutdown+0x10/0x10 [ 76.651270][ T4405] __sys_setsockopt+0x2bf/0x3d0 [ 76.656134][ T4405] __x64_sys_setsockopt+0xb1/0xc0 [ 76.661146][ T4405] do_syscall_64+0x4c/0xa0 [ 76.665556][ T4405] ? clear_bhb_loop+0x30/0x80 [ 76.670224][ T4405] ? clear_bhb_loop+0x30/0x80 [ 76.674894][ T4405] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.680783][ T4405] RIP: 0033:0x7f6e0f6f0be9 [ 76.685189][ T4405] 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 [ 76.704804][ T4405] RSP: 002b:00007ffcea91b648 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 76.713221][ T4405] RAX: ffffffffffffffda RBX: 00007f6e0f917fa0 RCX: 00007f6e0f6f0be9 [ 76.721185][ T4405] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 [ 76.729150][ T4405] RBP: 00007f6e0f773e19 R08: 0000000000000010 R09: 0000000000000000 [ 76.737109][ T4405] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 76.745066][ T4405] R13: 00007f6e0f917fa0 R14: 00007f6e0f917fa0 R15: 0000000000000005 [ 76.753032][ T4405] [ 76.756376][ T4405] Kernel Offset: disabled [ 76.760717][ T4405] Rebooting in 86400 seconds..