Warning: Permanently added '10.128.1.68' (ED25519) to the list of known hosts. 2025/08/15 16:41:03 ignoring optional flag "sandboxArg"="0" 2025/08/15 16:41:04 parsed 1 programs [ 47.785716][ T4187] cgroup: Unknown subsys name 'net' [ 47.946425][ T4187] cgroup: Unknown subsys name 'rlimit' [ 49.207614][ T4187] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 51.808214][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.823073][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.842352][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.860393][ T431] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.869373][ T431] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.878851][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.096580][ T9] ODEBUG: Out of memory. ODEBUG disabled [ 52.117722][ T4242] chnl_net:caif_netlink_parms(): no params data found [ 52.271167][ T4242] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.278649][ T4242] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.292481][ T4242] device bridge_slave_0 entered promiscuous mode [ 52.312253][ T4242] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.319642][ T4242] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.329499][ T4242] device bridge_slave_1 entered promiscuous mode [ 52.359629][ T4242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.371682][ T4242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.393768][ T4242] team0: Port device team_slave_0 added [ 52.401551][ T4242] team0: Port device team_slave_1 added [ 52.417255][ T4242] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.424928][ T4242] 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. [ 52.451412][ T4242] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.466876][ T4242] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.474110][ T4242] 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. [ 52.503046][ T4242] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.543196][ T4242] device hsr_slave_0 entered promiscuous mode [ 52.551253][ T4242] device hsr_slave_1 entered promiscuous mode [ 52.664669][ T4242] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.675350][ T4242] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.684455][ T4242] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.707552][ T4242] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.774349][ T4242] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.806941][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.815849][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.826717][ T4242] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.837623][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.847886][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.858819][ T4238] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.866762][ T4238] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.876811][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.906167][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.915656][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.924433][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.932125][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.943991][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.955055][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.982944][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.992329][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.001588][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.012648][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.023205][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.049263][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.062820][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.074305][ T4242] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.176454][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.184266][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.196097][ T4242] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.224630][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.244185][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.253356][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.261815][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.272108][ T4242] device veth0_vlan entered promiscuous mode [ 53.294510][ T4242] device veth1_vlan entered promiscuous mode [ 53.329338][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.338404][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.348649][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.361064][ T4242] device veth0_macvtap entered promiscuous mode [ 53.373585][ T4242] device veth1_macvtap entered promiscuous mode [ 53.394225][ T4242] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.402303][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.419700][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.428683][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.441442][ T4242] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.453377][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.462469][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.475262][ T4242] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.485285][ T4242] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.494937][ T4242] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.504879][ T4242] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/08/15 16:41:12 executed programs: 0 [ 54.723268][ T4294] chnl_net:caif_netlink_parms(): no params data found [ 54.783288][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.791330][ T4294] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.800669][ T4294] device bridge_slave_0 entered promiscuous mode [ 54.814373][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.822824][ T4294] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.831777][ T4294] device bridge_slave_1 entered promiscuous mode [ 54.854924][ T4294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.867168][ T4294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.898987][ T4294] team0: Port device team_slave_0 added [ 54.907662][ T4294] team0: Port device team_slave_1 added [ 54.924613][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.933552][ T4294] 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. [ 54.964302][ T4294] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.980917][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.987977][ T4294] 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. [ 55.015961][ T4294] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.035112][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.061966][ T4294] device hsr_slave_0 entered promiscuous mode [ 55.068558][ T4294] device hsr_slave_1 entered promiscuous mode [ 55.075583][ T4294] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.083815][ T4294] Cannot create hsr debugfs directory [ 56.650816][ T4198] Bluetooth: hci0: command 0x0409 tx timeout [ 58.015738][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.363885][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.446014][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.720755][ T4258] Bluetooth: hci0: command 0x041b tx timeout [ 59.230964][ T4294] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.239917][ T4294] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.248787][ T4294] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.268069][ T4294] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.324960][ T4294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.337416][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.349957][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.363386][ T4294] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.381839][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.391478][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.401945][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.409021][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.425973][ T9] device hsr_slave_0 left promiscuous mode [ 59.433958][ T9] device hsr_slave_1 left promiscuous mode [ 59.441785][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 59.449684][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 59.458427][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 59.467785][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 59.476720][ T9] device bridge_slave_1 left promiscuous mode [ 59.483731][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.496756][ T9] device bridge_slave_0 left promiscuous mode [ 59.504738][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.522858][ T9] device veth1_macvtap left promiscuous mode [ 59.530160][ T9] device veth0_macvtap left promiscuous mode [ 59.538083][ T9] device veth1_vlan left promiscuous mode [ 59.547436][ T9] device veth0_vlan left promiscuous mode [ 59.665114][ T9] team0 (unregistering): Port device team_slave_1 removed [ 59.676951][ T9] team0 (unregistering): Port device team_slave_0 removed [ 59.689456][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 59.707068][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 59.754898][ T9] bond0 (unregistering): Released all slaves [ 59.823284][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.831715][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.841499][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.850269][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.857883][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.867632][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.881034][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.895443][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.904824][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.916919][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.925038][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.934847][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.951561][ T4294] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.963220][ T4294] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.979680][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.988940][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.998035][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.008107][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.019092][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.114929][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.124229][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.136042][ T4294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.151770][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.162575][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.184181][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.192446][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.201708][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.210849][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.222197][ T4294] device veth0_vlan entered promiscuous mode [ 60.241474][ T4294] device veth1_vlan entered promiscuous mode [ 60.273602][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.293410][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.310706][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.331124][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.345218][ T4294] device veth0_macvtap entered promiscuous mode [ 60.356835][ T4294] device veth1_macvtap entered promiscuous mode [ 60.378452][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.386464][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.396969][ T4238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.412746][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.421874][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.431163][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.443093][ T4294] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.452240][ T4294] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.462045][ T4294] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.473314][ T4294] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.546300][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.558886][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.579534][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.581749][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/08/15 16:41:18 executed programs: 2 [ 60.595534][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.605369][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.645848][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 60.686908][ T4351] ================================================================== [ 60.697496][ T4351] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 [ 60.705673][ T4351] Read of size 4 at addr ffff888070fe2838 by task syz.0.19/4351 [ 60.713669][ T4351] [ 60.716333][ T4351] CPU: 1 PID: 4351 Comm: syz.0.19 Not tainted 5.15.189-syzkaller #0 [ 60.724499][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 60.734680][ T4351] Call Trace: [ 60.737974][ T4351] [ 60.740909][ T4351] dump_stack_lvl+0x168/0x230 [ 60.746046][ T4351] ? show_regs_print_info+0x20/0x20 [ 60.751611][ T4351] ? _printk+0xcc/0x110 [ 60.755944][ T4351] ? ax25_fillin_cb+0x459/0x640 [ 60.760989][ T4351] ? load_image+0x3b0/0x3b0 [ 60.765691][ T4351] print_address_description+0x60/0x2d0 [ 60.771323][ T4351] ? ax25_fillin_cb+0x459/0x640 [ 60.776383][ T4351] kasan_report+0xdf/0x130 [ 60.781263][ T4351] ? ax25_fillin_cb+0x459/0x640 [ 60.786169][ T4351] ax25_fillin_cb+0x459/0x640 [ 60.791020][ T4351] ax25_setsockopt+0x8a2/0xa40 [ 60.795974][ T4351] ? ax25_shutdown+0x10/0x10 [ 60.800123][ T4258] Bluetooth: hci0: command 0x040f tx timeout [ 60.800662][ T4351] ? aa_sock_opt_perm+0x74/0x100 [ 60.811698][ T4351] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 60.817432][ T4351] ? security_socket_setsockopt+0x7a/0xa0 [ 60.823218][ T4351] ? ax25_shutdown+0x10/0x10 [ 60.827817][ T4351] __sys_setsockopt+0x2bf/0x3d0 [ 60.832690][ T4351] __x64_sys_setsockopt+0xb1/0xc0 [ 60.837726][ T4351] do_syscall_64+0x4c/0xa0 [ 60.842315][ T4351] ? clear_bhb_loop+0x30/0x80 [ 60.847074][ T4351] ? clear_bhb_loop+0x30/0x80 [ 60.851747][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.857832][ T4351] RIP: 0033:0x7f9f52bcebe9 [ 60.862601][ T4351] 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 [ 60.882815][ T4351] RSP: 002b:00007fff6a11c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 60.891351][ T4351] RAX: ffffffffffffffda RBX: 00007f9f52df5fa0 RCX: 00007f9f52bcebe9 [ 60.899425][ T4351] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000005 [ 60.907422][ T4351] RBP: 00007f9f52c51e19 R08: 0000000000000010 R09: 0000000000000000 [ 60.915677][ T4351] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 60.923748][ T4351] R13: 00007f9f52df5fa0 R14: 00007f9f52df5fa0 R15: 0000000000000005 [ 60.932044][ T4351] [ 60.935068][ T4351] [ 60.937514][ T4351] Allocated by task 4349: [ 60.941852][ T4351] __kasan_kmalloc+0xb5/0xf0 [ 60.946599][ T4351] ax25_dev_device_up+0x50/0x580 [ 60.951699][ T4351] ax25_device_event+0x483/0x4f0 [ 60.956657][ T4351] raw_notifier_call_chain+0xcb/0x160 [ 60.962043][ T4351] __dev_notify_flags+0x178/0x2d0 [ 60.967248][ T4351] dev_change_flags+0xe3/0x1a0 [ 60.972025][ T4351] dev_ifsioc+0x147/0xe70 [ 60.976477][ T4351] dev_ioctl+0x55f/0xe50 [ 60.980724][ T4351] sock_do_ioctl+0x222/0x2f0 [ 60.985310][ T4351] sock_ioctl+0x4ed/0x6e0 [ 60.989642][ T4351] __se_sys_ioctl+0xfa/0x170 [ 60.994385][ T4351] do_syscall_64+0x4c/0xa0 [ 60.998817][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.004728][ T4351] [ 61.007055][ T4351] Freed by task 4350: [ 61.011027][ T4351] kasan_set_track+0x4b/0x70 [ 61.015639][ T4351] kasan_set_free_info+0x1f/0x40 [ 61.020694][ T4351] ____kasan_slab_free+0xd5/0x110 [ 61.025987][ T4351] slab_free_freelist_hook+0xea/0x170 [ 61.031891][ T4351] kfree+0xef/0x2a0 [ 61.035704][ T4351] ax25_release+0x661/0x870 [ 61.040209][ T4351] sock_close+0xd5/0x240 [ 61.044473][ T4351] __fput+0x234/0x930 [ 61.048537][ T4351] task_work_run+0x125/0x1a0 [ 61.053228][ T4351] exit_to_user_mode_loop+0x10f/0x130 [ 61.058781][ T4351] exit_to_user_mode_prepare+0xb1/0x140 [ 61.064335][ T4351] syscall_exit_to_user_mode+0x16/0x40 [ 61.070019][ T4351] do_syscall_64+0x58/0xa0 [ 61.074968][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.081665][ T4351] [ 61.084202][ T4351] The buggy address belongs to the object at ffff888070fe2800 [ 61.084202][ T4351] which belongs to the cache kmalloc-192 of size 192 [ 61.099720][ T4351] The buggy address is located 56 bytes inside of [ 61.099720][ T4351] 192-byte region [ffff888070fe2800, ffff888070fe28c0) [ 61.113422][ T4351] The buggy address belongs to the page: [ 61.119502][ T4351] page:ffffea0001c3f880 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x70fe2 [ 61.130462][ T4351] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 61.138446][ T4351] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 [ 61.148333][ T4351] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 61.157817][ T4351] page dumped because: kasan: bad access detected [ 61.165782][ T4351] page_owner tracks the page as allocated [ 61.172383][ T4351] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4294, ts 60635074617, free_ts 60625977468 [ 61.189473][ T4351] get_page_from_freelist+0x1b77/0x1c60 [ 61.195060][ T4351] __alloc_pages+0x1e1/0x470 [ 61.200518][ T4351] new_slab+0xb6/0x4b0 [ 61.206156][ T4351] ___slab_alloc+0x81e/0xdf0 [ 61.210942][ T4351] __kmalloc_node+0x200/0x3b0 [ 61.216130][ T4351] memcg_alloc_page_obj_cgroups+0x81/0x120 [ 61.222906][ T4351] slab_post_alloc_hook+0xba/0x380 [ 61.228325][ T4351] kmem_cache_alloc+0x100/0x290 [ 61.233366][ T4351] shmem_alloc_inode+0x16/0x30 [ 61.238212][ T4351] new_inode_pseudo+0x5f/0x210 [ 61.243263][ T4351] new_inode+0x25/0x1c0 [ 61.247856][ T4351] shmem_get_inode+0x334/0xa90 [ 61.252796][ T4351] shmem_mknod+0x55/0x1b0 [ 61.258148][ T4351] shmem_mkdir+0x27/0x60 [ 61.263245][ T4351] vfs_mkdir+0x387/0x570 [ 61.268124][ T4351] do_mkdirat+0x1d7/0x5a0 [ 61.273668][ T4351] page last free stack trace: [ 61.279017][ T4351] free_unref_page_prepare+0x637/0x6c0 [ 61.284745][ T4351] free_unref_page+0x94/0x280 [ 61.289510][ T4351] qlist_free_all+0x35/0x90 [ 61.294336][ T4351] kasan_quarantine_reduce+0x150/0x160 [ 61.300105][ T4351] __kasan_slab_alloc+0x2f/0xd0 [ 61.305202][ T4351] slab_post_alloc_hook+0x4c/0x380 [ 61.310670][ T4351] __kmalloc_track_caller+0x125/0x330 [ 61.316744][ T4351] strndup_user+0x71/0x150 [ 61.324864][ T4351] __se_sys_mount+0x9b/0x3c0 [ 61.330869][ T4351] do_syscall_64+0x4c/0xa0 [ 61.336344][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.343621][ T4351] [ 61.345972][ T4351] Memory state around the buggy address: [ 61.353923][ T4351] ffff888070fe2700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 61.362568][ T4351] ffff888070fe2780: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 61.372244][ T4351] >ffff888070fe2800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.382155][ T4351] ^ [ 61.388693][ T4351] ffff888070fe2880: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 61.400037][ T4351] ffff888070fe2900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 61.409464][ T4351] ================================================================== [ 61.418137][ T4351] Disabling lock debugging due to kernel taint [ 61.426787][ T4351] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 61.434711][ T4351] CPU: 1 PID: 4351 Comm: syz.0.19 Tainted: G B 5.15.189-syzkaller #0 [ 61.444643][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 61.455260][ T4351] Call Trace: [ 61.458697][ T4351] [ 61.462060][ T4351] dump_stack_lvl+0x168/0x230 [ 61.467179][ T4351] ? show_regs_print_info+0x20/0x20 [ 61.472659][ T4351] ? load_image+0x3b0/0x3b0 [ 61.477378][ T4351] panic+0x2c9/0x7f0 [ 61.481297][ T4351] ? bpf_jit_dump+0xd0/0xd0 [ 61.485992][ T4351] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 61.492326][ T4351] ? _raw_spin_unlock+0x40/0x40 [ 61.497519][ T4351] ? print_memory_metadata+0x314/0x400 [ 61.503213][ T4351] ? ax25_fillin_cb+0x459/0x640 [ 61.508295][ T4351] check_panic_on_warn+0x80/0xa0 [ 61.513769][ T4351] ? ax25_fillin_cb+0x459/0x640 [ 61.519669][ T4351] end_report+0x6d/0xf0 [ 61.524663][ T4351] kasan_report+0x102/0x130 [ 61.530360][ T4351] ? ax25_fillin_cb+0x459/0x640 [ 61.536437][ T4351] ax25_fillin_cb+0x459/0x640 [ 61.541733][ T4351] ax25_setsockopt+0x8a2/0xa40 [ 61.547141][ T4351] ? ax25_shutdown+0x10/0x10 [ 61.552875][ T4351] ? aa_sock_opt_perm+0x74/0x100 [ 61.558257][ T4351] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 61.566420][ T4351] ? security_socket_setsockopt+0x7a/0xa0 [ 61.573856][ T4351] ? ax25_shutdown+0x10/0x10 [ 61.578793][ T4351] __sys_setsockopt+0x2bf/0x3d0 [ 61.584017][ T4351] __x64_sys_setsockopt+0xb1/0xc0 [ 61.589207][ T4351] do_syscall_64+0x4c/0xa0 [ 61.593713][ T4351] ? clear_bhb_loop+0x30/0x80 [ 61.598905][ T4351] ? clear_bhb_loop+0x30/0x80 [ 61.604422][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.610718][ T4351] RIP: 0033:0x7f9f52bcebe9 [ 61.615433][ T4351] 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 [ 61.638149][ T4351] RSP: 002b:00007fff6a11c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 61.647413][ T4351] RAX: ffffffffffffffda RBX: 00007f9f52df5fa0 RCX: 00007f9f52bcebe9 [ 61.655781][ T4351] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000005 [ 61.665002][ T4351] RBP: 00007f9f52c51e19 R08: 0000000000000010 R09: 0000000000000000 [ 61.673165][ T4351] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 [ 61.682157][ T4351] R13: 00007f9f52df5fa0 R14: 00007f9f52df5fa0 R15: 0000000000000005 [ 61.691844][ T4351] [ 61.695080][ T4351] Kernel Offset: disabled [ 61.700221][ T4351] Rebooting in 86400 seconds..