no interfaces have a carrier [ 51.073446][ T3935] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.084957][ T3935] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.184' (ED25519) to the list of known hosts. 2026/06/03 17:45:06 parsed 1 programs syzkaller login: [ 85.067988][ T4287] cgroup: Unknown subsys name 'net' [ 85.175244][ T4287] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 86.520595][ T7] cfg80211: failed to load regulatory.db [ 86.735108][ T4287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 89.444806][ T4317] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 89.452547][ T4317] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 89.460614][ T4317] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 89.468521][ T4317] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 89.476829][ T4317] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 89.484813][ T4317] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 89.686402][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.694571][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.708894][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 89.736597][ T33] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.744513][ T33] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.752958][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 90.632596][ T4343] chnl_net:caif_netlink_parms(): no params data found [ 90.687364][ T4343] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.695170][ T4343] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.703406][ T4343] device bridge_slave_0 entered promiscuous mode [ 90.717697][ T4343] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.724998][ T4343] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.733061][ T4343] device bridge_slave_1 entered promiscuous mode [ 90.755451][ T4343] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.772384][ T4343] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.796248][ T4343] team0: Port device team_slave_0 added [ 90.803761][ T4343] team0: Port device team_slave_1 added [ 90.822464][ T4343] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.829496][ T4343] 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. [ 90.855555][ T4343] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.873360][ T4343] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.880441][ T4343] 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. [ 90.906480][ T4343] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.944008][ T4343] device hsr_slave_0 entered promiscuous mode [ 90.951156][ T4343] device hsr_slave_1 entered promiscuous mode [ 91.086083][ T4343] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.110152][ T4343] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.144006][ T4343] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.155359][ T4343] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.230916][ T4343] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.247567][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 91.271088][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 91.280073][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.292319][ T4343] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.309780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.319596][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.328518][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.335863][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.346454][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.355538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.364107][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.371352][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.380791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 91.406960][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.421802][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.435815][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.450245][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.462503][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.473405][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.683738][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 91.691505][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 91.705997][ T4343] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.737552][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 91.746476][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 91.764464][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 91.773872][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 91.791855][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 91.801046][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 91.811241][ T4343] device veth0_vlan entered promiscuous mode [ 91.823088][ T4343] device veth1_vlan entered promiscuous mode [ 91.847670][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 91.857087][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 91.865814][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 91.875031][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 91.893400][ T4343] device veth0_macvtap entered promiscuous mode [ 91.903047][ T4343] device veth1_macvtap entered promiscuous mode [ 91.920697][ T4343] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.928283][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 91.937090][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 91.945770][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 91.954531][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 91.977398][ T4343] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.985753][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 91.994658][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 92.005622][ T4343] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.015728][ T4343] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.025262][ T4343] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.034024][ T4343] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.394578][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/06/03 17:45:16 executed programs: 0 [ 93.078684][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.086809][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.094713][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.103404][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.111280][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 93.118828][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.249889][ T4376] chnl_net:caif_netlink_parms(): no params data found [ 93.304669][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.311837][ T4376] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.320491][ T4376] device bridge_slave_0 entered promiscuous mode [ 93.329998][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.337153][ T4376] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.345364][ T4376] device bridge_slave_1 entered promiscuous mode [ 93.368428][ T4376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.379818][ T4376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.404897][ T4376] team0: Port device team_slave_0 added [ 93.414077][ T4376] team0: Port device team_slave_1 added [ 93.432721][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.439774][ T4376] 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. [ 93.466049][ T4376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.478093][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.485795][ T4376] 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. [ 93.511911][ T4376] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.547914][ T4376] device hsr_slave_0 entered promiscuous mode [ 93.555798][ T4376] device hsr_slave_1 entered promiscuous mode [ 93.562522][ T4376] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 93.570551][ T4376] Cannot create hsr debugfs directory [ 94.509925][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.169158][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 96.708378][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.791158][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.252210][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 97.641123][ T4376] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.653933][ T4376] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.664413][ T4376] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.682219][ T11] device hsr_slave_0 left promiscuous mode [ 97.692862][ T11] device hsr_slave_1 left promiscuous mode [ 97.699865][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 97.707324][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 97.718512][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 97.727127][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 97.737735][ T11] device bridge_slave_1 left promiscuous mode [ 97.745173][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.760401][ T11] device bridge_slave_0 left promiscuous mode [ 97.766635][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.798113][ T11] device veth1_macvtap left promiscuous mode [ 97.804881][ T11] device veth0_macvtap left promiscuous mode [ 97.814025][ T11] device veth1_vlan left promiscuous mode [ 97.820171][ T11] device veth0_vlan left promiscuous mode [ 98.231451][ T11] team0 (unregistering): Port device team_slave_1 removed [ 98.257381][ T11] team0 (unregistering): Port device team_slave_0 removed [ 98.285013][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 98.312408][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 98.480631][ T11] bond0 (unregistering): Released all slaves [ 98.562136][ T4376] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.641967][ T4376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.655352][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 98.670227][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.682969][ T4376] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.716247][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 98.726035][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.735124][ T4349] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.742309][ T4349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.761240][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 98.772511][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 98.784057][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.799412][ T4349] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.807414][ T4349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.818642][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 98.842981][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 98.852078][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 98.862583][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.874050][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 98.883568][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.893608][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 98.903611][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.913710][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.927159][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.936497][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.946933][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.277337][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 99.285728][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 99.298584][ T4376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.317355][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 99.326498][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 99.331598][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 99.354828][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.363360][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.372060][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.380663][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.400746][ T4376] device veth0_vlan entered promiscuous mode [ 99.412096][ T4376] device veth1_vlan entered promiscuous mode [ 99.431906][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.441087][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.450028][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.458488][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.480433][ T4376] device veth0_macvtap entered promiscuous mode [ 99.489862][ T4376] device veth1_macvtap entered promiscuous mode [ 99.505546][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.513078][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.523325][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 99.531468][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 99.540716][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 99.565079][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.573680][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 99.582629][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 99.593180][ T4376] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.603247][ T4376] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.612049][ T4376] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.621846][ T4376] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.693274][ T4349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.702427][ T4349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.724935][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/06/03 17:45:23 executed programs: 2 [ 99.744449][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.753285][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.761171][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 99.822031][ T4416] ================================================================== [ 99.830152][ T4416] BUG: KASAN: slab-out-of-bounds in __bpf_get_stackid+0x6c9/0x920 [ 99.837999][ T4416] Write of size 32 at addr ffff888073394060 by task syz.0.17/4416 [ 99.845810][ T4416] [ 99.848272][ T4416] CPU: 1 PID: 4416 Comm: syz.0.17 Not tainted syzkaller #0 [ 99.855484][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 99.865554][ T4416] Call Trace: [ 99.868862][ T4416] [ 99.871818][ T4416] dump_stack_lvl+0x188/0x24e [ 99.876503][ T4416] ? __lock_acquire+0x7d10/0x7d10 [ 99.881578][ T4416] ? show_regs_print_info+0x12/0x12 [ 99.886821][ T4416] ? load_image+0x400/0x400 [ 99.891356][ T4416] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 99.896835][ T4416] ? __virt_addr_valid+0x188/0x540 [ 99.901971][ T4416] ? __virt_addr_valid+0x465/0x540 [ 99.907121][ T4416] ? __bpf_get_stackid+0x6c9/0x920 [ 99.912254][ T4416] print_report+0xa8/0x210 [ 99.916694][ T4416] kasan_report+0x10b/0x140 [ 99.921221][ T4416] ? __bpf_get_stackid+0x6c9/0x920 [ 99.926350][ T4416] kasan_check_range+0x235/0x290 [ 99.931310][ T4416] ? __bpf_get_stackid+0x6c9/0x920 [ 99.936443][ T4416] memcpy+0x3c/0x60 [ 99.940271][ T4416] __bpf_get_stackid+0x6c9/0x920 [ 99.945228][ T4416] bpf_get_stackid_pe+0x2ec/0x400 [ 99.950283][ T4416] bpf_prog_ee169d054574282b+0x24/0x39 [ 99.955775][ T4416] bpf_overflow_handler+0x522/0x7c0 [ 99.960994][ T4416] ? bpf_overflow_handler+0xd9/0x7c0 [ 99.966301][ T4416] ? perf_swevent_overflow+0x230/0x230 [ 99.971803][ T4416] ? __perf_event_account_interrupt+0x187/0x280 [ 99.978070][ T4416] __perf_event_overflow+0x448/0x610 [ 99.983384][ T4416] perf_swevent_event+0x315/0x570 [ 99.988433][ T4416] ? perf_tp_event+0xc30/0xc30 [ 99.993216][ T4416] ? get_futex_key+0x867/0xf60 [ 99.998004][ T4416] ___perf_sw_event+0x49e/0x6e0 [ 100.002881][ T4416] ? ___perf_sw_event+0x180/0x6e0 [ 100.007933][ T4416] ? perf_swevent_put_recursion_context+0xb0/0xb0 [ 100.014383][ T4416] ? futex_wake+0x3f6/0x4f0 [ 100.018911][ T4416] ? do_user_addr_fault+0x77d/0xb10 [ 100.024127][ T4416] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 100.030135][ T4416] ? lock_chain_count+0x20/0x20 [ 100.035007][ T4416] __perf_sw_event+0x135/0x260 [ 100.039818][ T4416] do_user_addr_fault+0xaea/0xb10 [ 100.044866][ T4416] ? lock_chain_count+0x20/0x20 [ 100.049738][ T4416] ? trace_hardirqs_off_finish+0x86/0x180 [ 100.055474][ T4416] exc_page_fault+0x60/0x100 [ 100.060085][ T4416] ? clear_bhb_loop+0x60/0xb0 [ 100.064785][ T4416] asm_exc_page_fault+0x22/0x30 [ 100.069653][ T4416] RIP: 0033:0x7f199b4655c3 [ 100.074104][ T4416] Code: 53 48 83 ec 38 80 3d 5b ca 3a 00 00 89 7c 24 18 48 89 74 24 28 0f 85 cd 09 00 00 80 3d 2a 01 ee 00 00 49 89 f1 41 89 d2 89 cb 05 36 ca 3a 00 01 41 89 d7 0f 85 45 04 00 00 80 3d f6 00 ee 00 [ 100.093727][ T4416] RSP: 002b:00007ffc3b190870 EFLAGS: 00010246 [ 100.099826][ T4416] RAX: 00007f199b815fa0 RBX: 0000000000000000 RCX: 0000000000000000 [ 100.107812][ T4416] RDX: 0000000000000003 RSI: 00007f199b816038 RDI: 0000000000000006 [ 100.115808][ T4416] RBP: 00007f199b815fb0 R08: 0000000000000000 R09: 00007f199b816038 [ 100.123813][ T4416] R10: 0000000000000003 R11: 0000000000000000 R12: 00007f199b815fa0 [ 100.131804][ T4416] R13: 0000200000000000 R14: 00007ffc3b1908e8 R15: 00007f199b815fa0 [ 100.139797][ T4416] [ 100.142847][ T4416] [ 100.145192][ T4416] Allocated by task 4416: [ 100.149525][ T4416] kasan_set_track+0x4b/0x70 [ 100.154136][ T4416] __kasan_kmalloc+0x8e/0xa0 [ 100.158747][ T4416] __kmalloc_node+0xb0/0x240 [ 100.163371][ T4416] bpf_map_area_alloc+0x47/0xe0 [ 100.168236][ T4416] prealloc_elems_and_freelist+0x86/0x1c0 [ 100.173974][ T4416] stack_map_alloc+0x390/0x520 [ 100.178759][ T4416] map_create+0x534/0x1000 [ 100.183194][ T4416] __sys_bpf+0x38b/0x780 [ 100.187455][ T4416] __x64_sys_bpf+0x78/0x90 [ 100.191894][ T4416] do_syscall_64+0x4c/0xa0 [ 100.196324][ T4416] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 100.202260][ T4416] [ 100.204598][ T4416] The buggy address belongs to the object at ffff888073394000 [ 100.204598][ T4416] which belongs to the cache kmalloc-cg-128 of size 128 [ 100.218929][ T4416] The buggy address is located 96 bytes inside of [ 100.218929][ T4416] 128-byte region [ffff888073394000, ffff888073394080) [ 100.232150][ T4416] [ 100.234493][ T4416] The buggy address belongs to the physical page: [ 100.240927][ T4416] page:ffffea0001cce500 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x73394 [ 100.251091][ T4416] memcg:ffff8880246fd901 [ 100.255334][ T4416] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 100.262900][ T4416] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888017442a00 [ 100.271526][ T4416] raw: 0000000000000000 0000000080100010 00000001ffffffff ffff8880246fd901 [ 100.280119][ T4416] page dumped because: kasan: bad access detected [ 100.286542][ T4416] page_owner tracks the page as allocated [ 100.292263][ T4416] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4416, tgid 4416 (syz.0.17), ts 99812824705, free_ts 99671295880 [ 100.310159][ T4416] post_alloc_hook+0x173/0x1a0 [ 100.314947][ T4416] get_page_from_freelist+0x1a1e/0x1ab0 [ 100.320524][ T4416] __alloc_pages+0x1ec/0x4f0 [ 100.325137][ T4416] alloc_slab_page+0x5d/0x160 [ 100.329832][ T4416] new_slab+0x87/0x2c0 [ 100.333923][ T4416] ___slab_alloc+0xbc6/0x1240 [ 100.338611][ T4416] __kmem_cache_alloc_node+0x1a0/0x260 [ 100.344081][ T4416] __kmalloc_node+0xa0/0x240 [ 100.348693][ T4416] bpf_map_area_alloc+0x47/0xe0 [ 100.353562][ T4416] prealloc_elems_and_freelist+0x86/0x1c0 [ 100.359301][ T4416] stack_map_alloc+0x390/0x520 [ 100.364091][ T4416] map_create+0x534/0x1000 [ 100.368527][ T4416] __sys_bpf+0x38b/0x780 [ 100.372790][ T4416] __x64_sys_bpf+0x78/0x90 [ 100.377233][ T4416] do_syscall_64+0x4c/0xa0 [ 100.381666][ T4416] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 100.387579][ T4416] page last free stack trace: [ 100.392256][ T4416] free_unref_page_prepare+0x8b4/0x9a0 [ 100.397736][ T4416] free_unref_page+0x2e/0x3f0 [ 100.402433][ T4416] __unfreeze_partials+0x1a5/0x200 [ 100.407563][ T4416] put_cpu_partial+0x17c/0x250 [ 100.412347][ T4416] qlist_free_all+0x76/0xe0 [ 100.416868][ T4416] kasan_quarantine_reduce+0x144/0x160 [ 100.422345][ T4416] __kasan_slab_alloc+0x1e/0x80 [ 100.427218][ T4416] slab_post_alloc_hook+0x4b/0x480 [ 100.432342][ T4416] __kmem_cache_alloc_node+0x140/0x260 [ 100.437815][ T4416] kmalloc_trace+0x26/0xe0 [ 100.442260][ T4416] kernfs_fop_open+0x3f1/0xcc0 [ 100.447044][ T4416] do_dentry_open+0x7e9/0x10d0 [ 100.451824][ T4416] path_openat+0x2635/0x2ee0 [ 100.456429][ T4416] do_filp_open+0x1f1/0x430 [ 100.460950][ T4416] do_sys_openat2+0x150/0x4b0 [ 100.465662][ T4416] __x64_sys_openat+0x135/0x160 [ 100.470571][ T4416] [ 100.472922][ T4416] Memory state around the buggy address: [ 100.478570][ T4416] ffff888073393f00: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc [ 100.486644][ T4416] ffff888073393f80: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc [ 100.494713][ T4416] >ffff888073394000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 100.502788][ T4416] ^ [ 100.510776][ T4416] ffff888073394080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 100.518872][ T4416] ffff888073394100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 100.526941][ T4416] ================================================================== [ 100.535011][ T4416] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 100.542211][ T4416] CPU: 1 PID: 4416 Comm: syz.0.17 Not tainted syzkaller #0 [ 100.549421][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 100.559492][ T4416] Call Trace: [ 100.562789][ T4416] [ 100.565737][ T4416] dump_stack_lvl+0x188/0x24e [ 100.570441][ T4416] ? memcpy+0x3c/0x60 [ 100.574449][ T4416] ? show_regs_print_info+0x12/0x12 [ 100.579660][ T4416] ? load_image+0x400/0x400 [ 100.584188][ T4416] panic+0x2e5/0x730 [ 100.588109][ T4416] ? __lock_acquire+0x7d10/0x7d10 [ 100.593172][ T4416] ? bpf_jit_dump+0xd0/0xd0 [ 100.597697][ T4416] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 100.603606][ T4416] ? _raw_spin_unlock+0x40/0x40 [ 100.608474][ T4416] check_panic_on_warn+0x80/0xa0 [ 100.613437][ T4416] ? __bpf_get_stackid+0x6c9/0x920 [ 100.618564][ T4416] end_report+0x66/0x110 [ 100.622826][ T4416] kasan_report+0x118/0x140 [ 100.627346][ T4416] ? __bpf_get_stackid+0x6c9/0x920 [ 100.632482][ T4416] kasan_check_range+0x235/0x290 [ 100.637457][ T4416] ? __bpf_get_stackid+0x6c9/0x920 [ 100.642585][ T4416] memcpy+0x3c/0x60 [ 100.646429][ T4416] __bpf_get_stackid+0x6c9/0x920 [ 100.651385][ T4416] bpf_get_stackid_pe+0x2ec/0x400 [ 100.656438][ T4416] bpf_prog_ee169d054574282b+0x24/0x39 [ 100.661930][ T4416] bpf_overflow_handler+0x522/0x7c0 [ 100.667141][ T4416] ? bpf_overflow_handler+0xd9/0x7c0 [ 100.672443][ T4416] ? perf_swevent_overflow+0x230/0x230 [ 100.677922][ T4416] ? __perf_event_account_interrupt+0x187/0x280 [ 100.684174][ T4416] __perf_event_overflow+0x448/0x610 [ 100.689476][ T4416] perf_swevent_event+0x315/0x570 [ 100.694534][ T4416] ? perf_tp_event+0xc30/0xc30 [ 100.699319][ T4416] ? get_futex_key+0x867/0xf60 [ 100.704096][ T4416] ___perf_sw_event+0x49e/0x6e0 [ 100.708966][ T4416] ? ___perf_sw_event+0x180/0x6e0 [ 100.714010][ T4416] ? perf_swevent_put_recursion_context+0xb0/0xb0 [ 100.720442][ T4416] ? futex_wake+0x3f6/0x4f0 [ 100.724963][ T4416] ? do_user_addr_fault+0x77d/0xb10 [ 100.730178][ T4416] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 100.736181][ T4416] ? lock_chain_count+0x20/0x20 [ 100.741051][ T4416] __perf_sw_event+0x135/0x260 [ 100.745837][ T4416] do_user_addr_fault+0xaea/0xb10 [ 100.750885][ T4416] ? lock_chain_count+0x20/0x20 [ 100.755755][ T4416] ? trace_hardirqs_off_finish+0x86/0x180 [ 100.761495][ T4416] exc_page_fault+0x60/0x100 [ 100.766130][ T4416] ? clear_bhb_loop+0x60/0xb0 [ 100.770828][ T4416] asm_exc_page_fault+0x22/0x30 [ 100.775715][ T4416] RIP: 0033:0x7f199b4655c3 [ 100.780142][ T4416] Code: 53 48 83 ec 38 80 3d 5b ca 3a 00 00 89 7c 24 18 48 89 74 24 28 0f 85 cd 09 00 00 80 3d 2a 01 ee 00 00 49 89 f1 41 89 d2 89 cb 05 36 ca 3a 00 01 41 89 d7 0f 85 45 04 00 00 80 3d f6 00 ee 00 [ 100.799757][ T4416] RSP: 002b:00007ffc3b190870 EFLAGS: 00010246 [ 100.805929][ T4416] RAX: 00007f199b815fa0 RBX: 0000000000000000 RCX: 0000000000000000 [ 100.813913][ T4416] RDX: 0000000000000003 RSI: 00007f199b816038 RDI: 0000000000000006 [ 100.821894][ T4416] RBP: 00007f199b815fb0 R08: 0000000000000000 R09: 00007f199b816038 [ 100.829884][ T4416] R10: 0000000000000003 R11: 0000000000000000 R12: 00007f199b815fa0 [ 100.837871][ T4416] R13: 0000200000000000 R14: 00007ffc3b1908e8 R15: 00007f199b815fa0 [ 100.845862][ T4416] [ 100.849030][ T4416] Kernel Offset: disabled [ 100.853364][ T4416] Rebooting in 86400 seconds..