Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts. 2026/07/27 06:59:49 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 108.548931][ T4501] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 109.948010][ T4629] chnl_net:caif_netlink_parms(): no params data found [ 109.992726][ T4629] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.999975][ T4629] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.008025][ T4629] device bridge_slave_0 entered promiscuous mode [ 110.016141][ T4629] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.023333][ T4629] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.031303][ T4629] device bridge_slave_1 entered promiscuous mode [ 110.051157][ T4629] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 110.063893][ T4629] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 110.086830][ T4629] team0: Port device team_slave_0 added [ 110.095537][ T4629] team0: Port device team_slave_1 added [ 110.112620][ T4629] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 110.119711][ T4629] 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. [ 110.146367][ T4629] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 110.159421][ T4629] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 110.166505][ T4629] 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. [ 110.192697][ T4629] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 110.222478][ T4629] device hsr_slave_0 entered promiscuous mode [ 110.229490][ T4629] device hsr_slave_1 entered promiscuous mode [ 110.725558][ T4629] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.738554][ T4629] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.748654][ T4629] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.759052][ T4629] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.783573][ T4629] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.790843][ T4629] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.798315][ T4629] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.805427][ T4629] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.860175][ T4629] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.874168][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 110.884041][ T4318] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.892472][ T4318] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.902711][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 110.917728][ T4629] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.932375][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 110.942115][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 110.952449][ T4318] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.959617][ T4318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.976717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 110.985624][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 110.997387][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.004510][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 111.014011][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 111.032442][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 111.042680][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 111.053663][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.072842][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 111.081952][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 111.091263][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.101551][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 111.110779][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 111.120443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 111.129598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 111.141157][ T4629] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 111.269637][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 111.277825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 111.291355][ T4629] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.317987][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 111.328260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 111.352743][ T4629] device veth0_vlan entered promiscuous mode [ 111.360764][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 111.369966][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 111.381610][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 111.391354][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 111.403201][ T4629] device veth1_vlan entered promiscuous mode [ 111.426240][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 111.435253][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 111.445296][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 111.454803][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 111.467665][ T4629] device veth0_macvtap entered promiscuous mode [ 111.480471][ T4629] device veth1_macvtap entered promiscuous mode [ 111.502972][ T4629] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 111.511050][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 111.522159][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 111.531682][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 111.542677][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 111.555851][ T4629] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 111.565106][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 111.575375][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 111.588751][ T4629] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.599868][ T4629] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.610152][ T4629] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.620346][ T4629] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.785912][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.004014][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.217904][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.268303][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.005675][ T9] device hsr_slave_0 left promiscuous mode [ 117.013000][ T9] device hsr_slave_1 left promiscuous mode [ 117.023341][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 117.031225][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 117.040767][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 117.049206][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 117.058494][ T9] device bridge_slave_1 left promiscuous mode [ 117.065276][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.080886][ T9] device bridge_slave_0 left promiscuous mode [ 117.087301][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.103060][ T9] device veth1_macvtap left promiscuous mode [ 117.109329][ T9] device veth0_macvtap left promiscuous mode [ 117.115455][ T9] device veth1_vlan left promiscuous mode [ 117.122969][ T9] device veth0_vlan left promiscuous mode [ 117.352511][ T9] team0 (unregistering): Port device team_slave_1 removed [ 117.369865][ T9] team0 (unregistering): Port device team_slave_0 removed [ 117.385894][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 117.417879][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 117.501657][ T9] bond0 (unregistering): Released all slaves [ 117.642657][ T4318] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.654140][ T4318] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.667079][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 117.708617][ T4318] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.716904][ T4318] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.724566][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/07/27 07:00:04 executed programs: 0 [ 119.350263][ T5065] chnl_net:caif_netlink_parms(): no params data found [ 119.453434][ T5065] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.461874][ T5065] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.478775][ T5065] device bridge_slave_0 entered promiscuous mode [ 119.497919][ T5065] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.505161][ T5065] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.513328][ T5065] device bridge_slave_1 entered promiscuous mode [ 119.549010][ T5065] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.561411][ T5065] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.590286][ T5065] team0: Port device team_slave_0 added [ 119.599679][ T5065] team0: Port device team_slave_1 added [ 119.622775][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.630248][ T5065] 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. [ 119.660451][ T5065] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.679039][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.686119][ T5065] 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. [ 119.717905][ T5065] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.757246][ T5065] device hsr_slave_0 entered promiscuous mode [ 119.774117][ T5065] device hsr_slave_1 entered promiscuous mode [ 120.063528][ T9] ODEBUG: Out of memory. ODEBUG disabled [ 120.585748][ T5065] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 120.595856][ T5065] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 120.606043][ T5065] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 120.616718][ T5065] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 120.682970][ T5065] 8021q: adding VLAN 0 to HW filter on device bond0 [ 120.697539][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 120.705527][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 120.717867][ T5065] 8021q: adding VLAN 0 to HW filter on device team0 [ 120.728998][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 120.741328][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 120.751216][ T4318] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.758371][ T4318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.777272][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 120.785888][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 120.796454][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 120.805142][ T4318] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.812294][ T4318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.824066][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 120.842816][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 120.852004][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 120.862877][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 120.873466][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 120.883519][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 120.899833][ T5065] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 120.910886][ T5065] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 120.922611][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 120.932456][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 120.941309][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 120.952490][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 120.961421][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 120.977000][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 121.095237][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 121.104679][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 121.119429][ T5065] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 121.142927][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 121.153871][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 121.216971][ T2288] Bluetooth: hci0: command 0x0409 tx timeout [ 121.225028][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 121.234377][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 121.243885][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 121.252167][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 121.267734][ T5065] device veth0_vlan entered promiscuous mode [ 121.323862][ T5065] device veth1_vlan entered promiscuous mode [ 121.392273][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 121.400819][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 121.412413][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 121.421630][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 121.434766][ T5065] device veth0_macvtap entered promiscuous mode [ 121.484835][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 121.497512][ T5065] device veth1_macvtap entered promiscuous mode [ 121.518827][ T5065] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 121.526239][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 121.538120][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 121.552165][ T5065] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 121.567284][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 121.580856][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 121.592619][ T5065] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.604050][ T5065] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.613735][ T5065] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.624776][ T5065] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.777329][ T4318] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.792723][ T4318] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.813125][ T845] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 121.873962][ T4318] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.883768][ T4318] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.892110][ T845] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 121.981218][ T5179] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready [ 122.091302][ T5187] ================================================================== [ 122.099793][ T5187] BUG: KASAN: use-after-free in ax25_fillin_cb+0x458/0x640 [ 122.107219][ T5187] Read of size 4 at addr ffff88801a184f38 by task syz.0.19/5187 [ 122.114924][ T5187] [ 122.117386][ T5187] CPU: 0 PID: 5187 Comm: syz.0.19 Not tainted syzkaller #0 [ 122.124626][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 122.134751][ T5187] Call Trace: [ 122.138099][ T5187] [ 122.141105][ T5187] dump_stack_lvl+0x188/0x250 [ 122.146007][ T5187] ? show_regs_print_info+0x20/0x20 [ 122.151277][ T5187] ? _printk+0xda/0x130 [ 122.155563][ T5187] ? ax25_fillin_cb+0x458/0x640 [ 122.160542][ T5187] ? load_image+0x410/0x410 [ 122.165185][ T5187] print_address_description+0x60/0x2d0 [ 122.170816][ T5187] ? ax25_fillin_cb+0x458/0x640 [ 122.175792][ T5187] kasan_report+0xdf/0x130 [ 122.180247][ T5187] ? ax25_fillin_cb+0x458/0x640 [ 122.185138][ T5187] ax25_fillin_cb+0x458/0x640 [ 122.189861][ T5187] ax25_setsockopt+0x8c9/0xa60 [ 122.194681][ T5187] ? ax25_shutdown+0x10/0x10 [ 122.199330][ T5187] ? aa_sock_opt_perm+0x74/0x100 [ 122.204316][ T5187] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 122.209943][ T5187] ? security_socket_setsockopt+0x7a/0xa0 [ 122.215706][ T5187] ? ax25_shutdown+0x10/0x10 [ 122.220409][ T5187] __sys_setsockopt+0x2bf/0x3d0 [ 122.225312][ T5187] __x64_sys_setsockopt+0xb1/0xc0 [ 122.230400][ T5187] do_syscall_64+0x4c/0xa0 [ 122.234851][ T5187] ? clear_bhb_loop+0x30/0x80 [ 122.239645][ T5187] ? clear_bhb_loop+0x30/0x80 [ 122.244366][ T5187] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 122.250291][ T5187] RIP: 0033:0x7f253a88d819 [ 122.254750][ T5187] 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 [ 122.274764][ T5187] RSP: 002b:00007f2539eef028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 122.283200][ T5187] RAX: ffffffffffffffda RBX: 00007f253ab06fa0 RCX: 00007f253a88d819 [ 122.291276][ T5187] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 122.299364][ T5187] RBP: 00007f253a923c91 R08: 0000000000000010 R09: 0000000000000000 [ 122.307474][ T5187] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 122.315727][ T5187] R13: 00007f253ab07038 R14: 00007f253ab06fa0 R15: 00007fffc92f9488 [ 122.323747][ T5187] [ 122.326812][ T5187] [ 122.329140][ T5187] Allocated by task 5179: [ 122.333599][ T5187] __kasan_kmalloc+0xaf/0xe0 [ 122.338390][ T5187] ax25_dev_device_up+0x50/0x580 [ 122.343354][ T5187] ax25_device_event+0x487/0x4f0 [ 122.348333][ T5187] raw_notifier_call_chain+0xcb/0x160 [ 122.353793][ T5187] __dev_notify_flags+0x194/0x300 [ 122.358830][ T5187] dev_change_flags+0xda/0x1a0 [ 122.363803][ T5187] dev_ifsioc+0x130/0xd50 [ 122.368144][ T5187] dev_ioctl+0x545/0xe30 [ 122.372506][ T5187] sock_do_ioctl+0x245/0x320 [ 122.377213][ T5187] sock_ioctl+0x48a/0x700 [ 122.381571][ T5187] __se_sys_ioctl+0xfa/0x170 [ 122.386174][ T5187] do_syscall_64+0x4c/0xa0 [ 122.390633][ T5187] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 122.396551][ T5187] [ 122.398909][ T5187] Freed by task 5182: [ 122.402910][ T5187] kasan_set_track+0x4b/0x70 [ 122.407519][ T5187] kasan_set_free_info+0x1f/0x40 [ 122.412486][ T5187] ____kasan_slab_free+0xd5/0x110 [ 122.417553][ T5187] slab_free_freelist_hook+0xec/0x170 [ 122.422959][ T5187] kfree+0xef/0x2a0 [ 122.426795][ T5187] ax25_release+0x60f/0x810 [ 122.431305][ T5187] sock_close+0xbf/0x210 [ 122.435553][ T5187] __fput+0x212/0x8c0 [ 122.439540][ T5187] task_work_run+0x125/0x1a0 [ 122.444164][ T5187] exit_to_user_mode_loop+0x10f/0x130 [ 122.449642][ T5187] exit_to_user_mode_prepare+0xee/0x180 [ 122.455223][ T5187] syscall_exit_to_user_mode+0x16/0x40 [ 122.460709][ T5187] do_syscall_64+0x58/0xa0 [ 122.465150][ T5187] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 122.471058][ T5187] [ 122.473397][ T5187] Last potentially related work creation: [ 122.479218][ T5187] kasan_save_stack+0x35/0x60 [ 122.484021][ T5187] kasan_record_aux_stack+0xb8/0x100 [ 122.489342][ T5187] insert_work+0x54/0x3d0 [ 122.493719][ T5187] __queue_work+0x90b/0xc80 [ 122.498539][ T5187] queue_work_on+0x124/0x1f0 [ 122.503166][ T5187] inet6addr_event+0x9c/0xc0 [ 122.507862][ T5187] atomic_notifier_call_chain+0x15d/0x280 [ 122.513854][ T5187] addrconf_ifdown+0xe41/0x19f0 [ 122.518962][ T5187] addrconf_notify+0x445/0xf20 [ 122.523851][ T5187] raw_notifier_call_chain+0xcb/0x160 [ 122.529504][ T5187] dev_close_many+0x29c/0x400 [ 122.534295][ T5187] unregister_netdevice_many+0x4b8/0x1a40 [ 122.540050][ T5187] unregister_netdevice_queue+0x2e1/0x320 [ 122.545873][ T5187] nsim_destroy+0x49/0x150 [ 122.550297][ T5187] __nsim_dev_port_del+0x155/0x1c0 [ 122.555531][ T5187] nsim_dev_reload_destroy+0x160/0x230 [ 122.561100][ T5187] nsim_dev_remove+0x59/0x120 [ 122.565789][ T5187] device_release_driver_internal+0x44c/0x710 [ 122.572031][ T5187] bus_remove_device+0x2dd/0x400 [ 122.577138][ T5187] device_del+0x63f/0xa80 [ 122.581575][ T5187] device_unregister+0x1c/0xc0 [ 122.586388][ T5187] del_device_store+0x295/0x3a0 [ 122.591281][ T5187] kernfs_fop_write_iter+0x3a8/0x500 [ 122.596584][ T5187] vfs_write+0x748/0xd70 [ 122.600862][ T5187] ksys_write+0x153/0x260 [ 122.605243][ T5187] do_syscall_64+0x4c/0xa0 [ 122.609811][ T5187] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 122.615775][ T5187] [ 122.618166][ T5187] The buggy address belongs to the object at ffff88801a184f00 [ 122.618166][ T5187] which belongs to the cache kmalloc-192 of size 192 [ 122.632396][ T5187] The buggy address is located 56 bytes inside of [ 122.632396][ T5187] 192-byte region [ffff88801a184f00, ffff88801a184fc0) [ 122.645815][ T5187] The buggy address belongs to the page: [ 122.651501][ T5187] page:ffffea0000686100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a184 [ 122.661780][ T5187] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 122.669551][ T5187] raw: 00fff00000000200 dead000000000100 dead000000000122 ffff888016c41a00 [ 122.678178][ T5187] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 122.686875][ T5187] page dumped because: kasan: bad access detected [ 122.693343][ T5187] page_owner tracks the page as allocated [ 122.699612][ T5187] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 2988772848, free_ts 0 [ 122.714499][ T5187] get_page_from_freelist+0x24f6/0x2670 [ 122.720130][ T5187] __alloc_pages+0x1ee/0x480 [ 122.724759][ T5187] alloc_page_interleave+0x24/0x1e0 [ 122.729990][ T5187] new_slab+0xc0/0x4b0 [ 122.734125][ T5187] ___slab_alloc+0x807/0xdd0 [ 122.738768][ T5187] kmem_cache_alloc_trace+0xf9/0x290 [ 122.744088][ T5187] call_usermodehelper_setup+0x8a/0x260 [ 122.749676][ T5187] kobject_uevent_env+0x658/0x890 [ 122.754753][ T5187] kernel_add_sysfs_param+0xfb/0x120 [ 122.760192][ T5187] param_sysfs_builtin+0x183/0x200 [ 122.765390][ T5187] param_sysfs_init+0x66/0x70 [ 122.770099][ T5187] do_one_initcall+0x272/0x730 [ 122.774898][ T5187] do_initcall_level+0x13d/0x1f0 [ 122.779884][ T5187] do_initcalls+0x4b/0x90 [ 122.784254][ T5187] kernel_init_freeable+0x3d5/0x560 [ 122.789515][ T5187] kernel_init+0x19/0x1b0 [ 122.793977][ T5187] page_owner free stack trace missing [ 122.799370][ T5187] [ 122.801719][ T5187] Memory state around the buggy address: [ 122.807370][ T5187] ffff88801a184e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 122.815648][ T5187] ffff88801a184e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 122.824030][ T5187] >ffff88801a184f00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 122.832125][ T5187] ^ [ 122.838060][ T5187] ffff88801a184f80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 122.846165][ T5187] ffff88801a185000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 122.854525][ T5187] ================================================================== [ 122.862709][ T5187] Disabling lock debugging due to kernel taint [ 122.879010][ T5187] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 122.886278][ T5187] CPU: 0 PID: 5187 Comm: syz.0.19 Tainted: G B syzkaller #0 [ 122.894906][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 122.905194][ T5187] Call Trace: [ 122.908500][ T5187] [ 122.911456][ T5187] dump_stack_lvl+0x188/0x250 [ 122.916286][ T5187] ? show_regs_print_info+0x20/0x20 [ 122.921635][ T5187] ? load_image+0x410/0x410 [ 122.926202][ T5187] panic+0x2f8/0x850 [ 122.930148][ T5187] ? bpf_jit_dump+0xd0/0xd0 [ 122.934948][ T5187] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 122.941247][ T5187] ? _raw_spin_unlock+0x40/0x40 [ 122.946414][ T5187] ? print_memory_metadata+0x314/0x400 [ 122.951916][ T5187] ? ax25_fillin_cb+0x458/0x640 [ 122.956897][ T5187] check_panic_on_warn+0x80/0xa0 [ 122.961871][ T5187] ? ax25_fillin_cb+0x458/0x640 [ 122.966753][ T5187] end_report+0x6d/0xf0 [ 122.970967][ T5187] kasan_report+0x102/0x130 [ 122.975770][ T5187] ? ax25_fillin_cb+0x458/0x640 [ 122.980668][ T5187] ax25_fillin_cb+0x458/0x640 [ 122.985380][ T5187] ax25_setsockopt+0x8c9/0xa60 [ 122.990174][ T5187] ? ax25_shutdown+0x10/0x10 [ 122.994805][ T5187] ? aa_sock_opt_perm+0x74/0x100 [ 123.000238][ T5187] ? bpf_lsm_socket_setsockopt+0x5/0x10 [ 123.006023][ T5187] ? security_socket_setsockopt+0x7a/0xa0 [ 123.011978][ T5187] ? ax25_shutdown+0x10/0x10 [ 123.016995][ T5187] __sys_setsockopt+0x2bf/0x3d0 [ 123.021929][ T5187] __x64_sys_setsockopt+0xb1/0xc0 [ 123.027092][ T5187] do_syscall_64+0x4c/0xa0 [ 123.031728][ T5187] ? clear_bhb_loop+0x30/0x80 [ 123.036439][ T5187] ? clear_bhb_loop+0x30/0x80 [ 123.041159][ T5187] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 123.047109][ T5187] RIP: 0033:0x7f253a88d819 [ 123.051728][ T5187] 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 [ 123.071372][ T5187] RSP: 002b:00007f2539eef028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 123.079932][ T5187] RAX: ffffffffffffffda RBX: 00007f253ab06fa0 RCX: 00007f253a88d819 [ 123.088001][ T5187] RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000006 [ 123.096244][ T5187] RBP: 00007f253a923c91 R08: 0000000000000010 R09: 0000000000000000 [ 123.104624][ T5187] R10: 0000200000000240 R11: 0000000000000246 R12: 0000000000000000 [ 123.112639][ T5187] R13: 00007f253ab07038 R14: 00007f253ab06fa0 R15: 00007fffc92f9488 [ 123.120805][ T5187] [ 123.124099][ T5187] Kernel Offset: disabled [ 123.128479][ T5187] Rebooting in 86400 seconds..