Warning: Permanently added '10.128.1.144' (ED25519) to the list of known hosts. 2026/03/11 16:16:22 parsed 1 programs [ 89.691960][ T4596] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 91.167591][ T4608] chnl_net:caif_netlink_parms(): no params data found [ 91.207394][ T4608] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.214694][ T4608] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.224699][ T4608] device bridge_slave_0 entered promiscuous mode [ 91.233017][ T4608] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.240327][ T4608] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.249081][ T4608] device bridge_slave_1 entered promiscuous mode [ 91.274199][ T4608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.285339][ T4608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.309139][ T4608] team0: Port device team_slave_0 added [ 91.316835][ T4608] team0: Port device team_slave_1 added [ 91.334237][ T4608] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.341276][ T4608] 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. [ 91.367535][ T4608] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.379784][ T4608] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.387428][ T4608] 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. [ 91.413559][ T4608] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.443937][ T4608] device hsr_slave_0 entered promiscuous mode [ 91.451563][ T4608] device hsr_slave_1 entered promiscuous mode [ 91.998277][ T4608] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.024878][ T4608] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.045239][ T4608] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.064650][ T4608] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.109257][ T4608] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.116545][ T4608] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.124693][ T4608] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.131944][ T4608] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.182579][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.198212][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.283325][ T4608] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.308656][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 92.321983][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.336022][ T4608] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.368865][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.393131][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.402406][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.409581][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.431433][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.441643][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.462244][ T4300] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.469324][ T4300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.482662][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.492769][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.511584][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.523010][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.542990][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 92.562343][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.582474][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.597820][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 92.606999][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.633774][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 92.642482][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.660860][ T4608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.858224][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 92.871511][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 92.885040][ T4608] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.926617][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 92.938688][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 92.958446][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 92.967327][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 92.979489][ T4608] device veth0_vlan entered promiscuous mode [ 92.986567][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 92.996003][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.010823][ T4608] device veth1_vlan entered promiscuous mode [ 93.071518][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.092737][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.102976][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.113893][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.125920][ T4608] device veth0_macvtap entered promiscuous mode [ 93.136306][ T4608] device veth1_macvtap entered promiscuous mode [ 93.169441][ T4608] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.192632][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.205050][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.213720][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.222990][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.234194][ T4608] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.241966][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.251105][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.267405][ T4608] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.284743][ T4608] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.294033][ T4608] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.303253][ T4608] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.565062][ T4300] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.428128][ T4300] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.505475][ T4300] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.556744][ T4300] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.976927][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.992999][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.020278][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 98.037774][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.045983][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.054033][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 98.254766][ T4300] device hsr_slave_0 left promiscuous mode [ 98.271450][ T4300] device hsr_slave_1 left promiscuous mode [ 98.283940][ T4300] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 98.301298][ T4300] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 98.321859][ T4300] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 98.329282][ T4300] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 98.352035][ T4300] device bridge_slave_1 left promiscuous mode [ 98.358423][ T4300] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.367534][ T4300] device bridge_slave_0 left promiscuous mode [ 98.374074][ T4300] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.386851][ T4300] device veth1_macvtap left promiscuous mode [ 98.393172][ T4300] device veth0_macvtap left promiscuous mode [ 98.399251][ T4300] device veth1_vlan left promiscuous mode [ 98.405612][ T4300] device veth0_vlan left promiscuous mode [ 98.534966][ T4300] team0 (unregistering): Port device team_slave_1 removed [ 98.547306][ T4300] team0 (unregistering): Port device team_slave_0 removed [ 98.558508][ T4300] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 98.571080][ T4300] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 98.617224][ T4300] bond0 (unregistering): Released all slaves 2026/03/11 16:16:36 executed programs: 0 [ 100.723058][ T5095] chnl_net:caif_netlink_parms(): no params data found [ 100.799247][ T5095] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.806464][ T5095] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.814253][ T5095] device bridge_slave_0 entered promiscuous mode [ 100.834024][ T5095] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.842441][ T5095] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.855396][ T5095] device bridge_slave_1 entered promiscuous mode [ 100.981790][ T5095] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.996502][ T5095] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.058663][ T5095] team0: Port device team_slave_0 added [ 101.075303][ T5095] team0: Port device team_slave_1 added [ 101.127676][ T5095] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.134815][ T5095] 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. [ 101.161550][ T5095] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.174015][ T5095] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.180975][ T5095] 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. [ 101.208897][ T5095] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.247267][ T5095] device hsr_slave_0 entered promiscuous mode [ 101.255429][ T5095] device hsr_slave_1 entered promiscuous mode [ 101.650721][ T5095] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.695840][ T5095] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.706421][ T5095] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.716362][ T5095] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.858406][ T5095] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.876600][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.885915][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.897547][ T5095] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.909252][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.919879][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.929092][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.936499][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.993927][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 102.002989][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 102.015032][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 102.025844][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.032969][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.043773][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 102.053218][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 102.063529][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 102.074056][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 102.084480][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 102.093679][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 102.107382][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 102.116337][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 102.154015][ T5095] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 102.167510][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 102.176770][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 102.188568][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 102.335130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 102.343552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 102.356086][ T5095] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.409279][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 102.418546][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 102.439614][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 102.448676][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 102.459201][ T5095] device veth0_vlan entered promiscuous mode [ 102.468703][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 102.477305][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 102.518629][ T5095] device veth1_vlan entered promiscuous mode [ 102.541390][ T4294] Bluetooth: hci0: command 0x0409 tx timeout [ 102.548924][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 102.559104][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 102.567870][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 102.578135][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 102.590496][ T5095] device veth0_macvtap entered promiscuous mode [ 102.617599][ T5095] device veth1_macvtap entered promiscuous mode [ 102.637767][ T5095] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.646948][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 102.657779][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 102.666902][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 102.677050][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 102.695060][ T5095] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.715698][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 102.725511][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 102.749007][ T5095] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.758040][ T5095] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.767325][ T5095] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.776549][ T5095] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.883045][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.893365][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.906575][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 102.943426][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.954688][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.975753][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 104.631309][ T23] Bluetooth: hci0: command 0x041b tx timeout 2026/03/11 16:16:41 executed programs: 5 [ 106.701377][ T23] Bluetooth: hci0: command 0x040f tx timeout [ 108.781377][ T23] Bluetooth: hci0: command 0x0419 tx timeout 2026/03/11 16:16:46 executed programs: 11 2026/03/11 16:16:51 executed programs: 17 2026/03/11 16:16:56 executed programs: 23 2026/03/11 16:17:02 executed programs: 29 2026/03/11 16:17:07 executed programs: 35 [ 133.106074][ T1423] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.112530][ T1423] ieee802154 phy1 wpan1: encryption failed: -22 2026/03/11 16:17:12 executed programs: 41 2026/03/11 16:17:17 executed programs: 47 [ 145.553383][ T4300] ================================================================== [ 145.561749][ T4300] BUG: KASAN: use-after-free in kcm_write_msgs+0x2f3/0x12e0 [ 145.569055][ T4300] Write of size 1 at addr ffff8880793f06a2 by task kworker/u4:5/4300 [ 145.577222][ T4300] [ 145.579553][ T4300] CPU: 1 PID: 4300 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 145.587097][ T4300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 145.597566][ T4300] Workqueue: kkcmd kcm_tx_work [ 145.602365][ T4300] Call Trace: [ 145.605681][ T4300] [ 145.608606][ T4300] dump_stack_lvl+0x188/0x250 [ 145.613284][ T4300] ? show_regs_print_info+0x20/0x20 [ 145.618486][ T4300] ? _printk+0xda/0x130 [ 145.622637][ T4300] ? kcm_write_msgs+0x2f3/0x12e0 [ 145.627566][ T4300] ? load_image+0x400/0x400 [ 145.632055][ T4300] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 145.637533][ T4300] ? mark_lock+0x94/0x320 [ 145.641961][ T4300] print_address_description+0x60/0x2d0 [ 145.647630][ T4300] ? kcm_write_msgs+0x2f3/0x12e0 [ 145.652585][ T4300] kasan_report+0xdf/0x130 [ 145.657030][ T4300] ? kcm_write_msgs+0x2f3/0x12e0 [ 145.661967][ T4300] kcm_write_msgs+0x2f3/0x12e0 [ 145.666772][ T4300] ? lockdep_hardirqs_on+0x94/0x140 [ 145.672102][ T4300] ? __local_bh_enable_ip+0x136/0x1c0 [ 145.677516][ T4300] ? _local_bh_enable+0xa0/0xa0 [ 145.682377][ T4300] ? do_raw_spin_unlock+0x11d/0x230 [ 145.687593][ T4300] kcm_tx_work+0x35/0x180 [ 145.692544][ T4300] process_one_work+0x85f/0x1010 [ 145.697614][ T4300] ? worker_detach_from_pool+0x240/0x240 [ 145.703259][ T4300] ? lockdep_hardirqs_off+0x70/0x100 [ 145.708548][ T4300] ? _raw_spin_lock_irq+0xb7/0xf0 [ 145.713584][ T4300] ? _raw_spin_lock_irqsave+0x100/0x100 [ 145.719219][ T4300] ? wq_worker_running+0x97/0x170 [ 145.724241][ T4300] worker_thread+0xaa6/0x1290 [ 145.729114][ T4300] ? lockdep_hardirqs_on+0x94/0x140 [ 145.734425][ T4300] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 145.740553][ T4300] kthread+0x436/0x520 [ 145.745374][ T4300] ? rcu_lock_release+0x20/0x20 [ 145.750239][ T4300] ? kthread_blkcg+0xd0/0xd0 [ 145.754993][ T4300] ret_from_fork+0x1f/0x30 [ 145.759483][ T4300] [ 145.762516][ T4300] [ 145.764847][ T4300] Allocated by task 5489: [ 145.769161][ T4300] __kasan_slab_alloc+0x9c/0xd0 [ 145.774058][ T4300] slab_post_alloc_hook+0x4c/0x380 [ 145.779167][ T4300] kmem_cache_alloc+0x100/0x290 [ 145.784007][ T4300] sk_prot_alloc+0x57/0x210 [ 145.788912][ T4300] sk_alloc+0x2f/0x310 [ 145.793093][ T4300] kcm_ioctl+0x20f/0x1090 [ 145.797821][ T4300] sock_do_ioctl+0xfb/0x320 [ 145.802335][ T4300] sock_ioctl+0x4d2/0x710 [ 145.806674][ T4300] __se_sys_ioctl+0xfa/0x170 [ 145.811267][ T4300] do_syscall_64+0x4c/0xa0 [ 145.815687][ T4300] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 145.821577][ T4300] [ 145.823949][ T4300] Freed by task 5490: [ 145.827929][ T4300] kasan_set_track+0x4b/0x70 [ 145.832530][ T4300] kasan_set_free_info+0x1f/0x40 [ 145.837474][ T4300] ____kasan_slab_free+0xd5/0x110 [ 145.842492][ T4300] slab_free_freelist_hook+0xea/0x170 [ 145.847854][ T4300] kmem_cache_free+0x8f/0x210 [ 145.852542][ T4300] __sk_destruct+0x569/0x840 [ 145.857145][ T4300] kcm_release+0x51a/0x5b0 [ 145.861552][ T4300] sock_close+0xd5/0x240 [ 145.865783][ T4300] __fput+0x234/0x930 [ 145.869881][ T4300] task_work_run+0x125/0x1a0 [ 145.874481][ T4300] exit_to_user_mode_loop+0x10f/0x130 [ 145.879854][ T4300] exit_to_user_mode_prepare+0xee/0x180 [ 145.885394][ T4300] syscall_exit_to_user_mode+0x16/0x40 [ 145.891059][ T4300] do_syscall_64+0x58/0xa0 [ 145.895589][ T4300] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 145.901495][ T4300] [ 145.903842][ T4300] Last potentially related work creation: [ 145.909558][ T4300] kasan_save_stack+0x35/0x60 [ 145.914238][ T4300] kasan_record_aux_stack+0xb8/0x100 [ 145.919520][ T4300] insert_work+0x54/0x3d0 [ 145.923927][ T4300] __queue_work+0x9c5/0xd50 [ 145.928416][ T4300] queue_work_on+0x124/0x1f0 [ 145.932992][ T4300] kcm_unattach+0x85e/0xe80 [ 145.937488][ T4300] kcm_ioctl+0x7c0/0x1090 [ 145.941822][ T4300] sock_do_ioctl+0xfb/0x320 [ 145.946467][ T4300] sock_ioctl+0x4d2/0x710 [ 145.950818][ T4300] __se_sys_ioctl+0xfa/0x170 [ 145.955420][ T4300] do_syscall_64+0x4c/0xa0 [ 145.959952][ T4300] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 145.965888][ T4300] [ 145.968331][ T4300] Second to last potentially related work creation: [ 145.974905][ T4300] kasan_save_stack+0x35/0x60 [ 145.979582][ T4300] kasan_record_aux_stack+0xb8/0x100 [ 145.984968][ T4300] insert_work+0x54/0x3d0 [ 145.989331][ T4300] __queue_work+0x9c5/0xd50 [ 145.993823][ T4300] queue_work_on+0x124/0x1f0 [ 145.998411][ T4300] kcm_ioctl+0xee0/0x1090 [ 146.002748][ T4300] sock_do_ioctl+0xfb/0x320 [ 146.007260][ T4300] sock_ioctl+0x4d2/0x710 [ 146.011587][ T4300] __se_sys_ioctl+0xfa/0x170 [ 146.016165][ T4300] do_syscall_64+0x4c/0xa0 [ 146.020607][ T4300] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.026488][ T4300] [ 146.028888][ T4300] The buggy address belongs to the object at ffff8880793f0000 [ 146.028888][ T4300] which belongs to the cache KCM of size 1736 [ 146.042421][ T4300] The buggy address is located 1698 bytes inside of [ 146.042421][ T4300] 1736-byte region [ffff8880793f0000, ffff8880793f06c8) [ 146.055895][ T4300] The buggy address belongs to the page: [ 146.061530][ T4300] page:ffffea0001e4fc00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x793f0 [ 146.071680][ T4300] head:ffffea0001e4fc00 order:3 compound_mapcount:0 compound_pincount:0 [ 146.080002][ T4300] memcg:ffff888025869d01 [ 146.084233][ T4300] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 146.092218][ T4300] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88802bb9f780 [ 146.100801][ T4300] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff888025869d01 [ 146.109462][ T4300] page dumped because: kasan: bad access detected [ 146.115875][ T4300] page_owner tracks the page as allocated [ 146.121570][ T4300] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5489, ts 145551127267, free_ts 99636682213 [ 146.142219][ T4300] get_page_from_freelist+0x1bbd/0x1ca0 [ 146.147767][ T4300] __alloc_pages+0x1ee/0x480 [ 146.152348][ T4300] new_slab+0xc0/0x4b0 [ 146.156497][ T4300] ___slab_alloc+0x80a/0xdd0 [ 146.161259][ T4300] kmem_cache_alloc+0x195/0x290 [ 146.166228][ T4300] sk_prot_alloc+0x57/0x210 [ 146.170739][ T4300] sk_alloc+0x2f/0x310 [ 146.175031][ T4300] kcm_ioctl+0x20f/0x1090 [ 146.179369][ T4300] sock_do_ioctl+0xfb/0x320 [ 146.183905][ T4300] sock_ioctl+0x4d2/0x710 [ 146.188237][ T4300] __se_sys_ioctl+0xfa/0x170 [ 146.192927][ T4300] do_syscall_64+0x4c/0xa0 [ 146.197584][ T4300] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.203581][ T4300] page last free stack trace: [ 146.208258][ T4300] free_unref_page_prepare+0x637/0x6c0 [ 146.213860][ T4300] free_unref_page+0x8f/0x2a0 [ 146.218661][ T4300] __vunmap+0x8b9/0xa50 [ 146.222812][ T4300] kcov_close+0x27/0x50 [ 146.227134][ T4300] __fput+0x234/0x930 [ 146.231107][ T4300] task_work_run+0x125/0x1a0 [ 146.235776][ T4300] do_exit+0x626/0x20c0 [ 146.240019][ T4300] do_group_exit+0x12e/0x300 [ 146.244607][ T4300] get_signal+0x6ca/0x12c0 [ 146.249108][ T4300] arch_do_signal_or_restart+0xe7/0x12c0 [ 146.254749][ T4300] exit_to_user_mode_loop+0x9e/0x130 [ 146.260032][ T4300] exit_to_user_mode_prepare+0xee/0x180 [ 146.265572][ T4300] syscall_exit_to_user_mode+0x16/0x40 [ 146.271114][ T4300] do_syscall_64+0x58/0xa0 [ 146.275529][ T4300] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.281476][ T4300] [ 146.283796][ T4300] Memory state around the buggy address: [ 146.290035][ T4300] ffff8880793f0580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 146.298856][ T4300] ffff8880793f0600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 146.306972][ T4300] >ffff8880793f0680: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 146.315137][ T4300] ^ [ 146.320342][ T4300] ffff8880793f0700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 146.328932][ T4300] ffff8880793f0780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 146.337023][ T4300] ================================================================== [ 146.345118][ T4300] Disabling lock debugging due to kernel taint [ 146.352115][ T4300] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 146.359615][ T4300] CPU: 1 PID: 4300 Comm: kworker/u4:5 Tainted: G B syzkaller #0 [ 146.368643][ T4300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 146.378884][ T4300] Workqueue: kkcmd kcm_tx_work [ 146.383665][ T4300] Call Trace: [ 146.387014][ T4300] [ 146.390028][ T4300] dump_stack_lvl+0x188/0x250 [ 146.395072][ T4300] ? show_regs_print_info+0x20/0x20 [ 146.400600][ T4300] ? load_image+0x400/0x400 [ 146.405132][ T4300] panic+0x2e5/0x810 [ 146.409028][ T4300] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 146.415295][ T4300] ? bpf_jit_dump+0xd0/0xd0 [ 146.419813][ T4300] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 146.425819][ T4300] ? _raw_spin_unlock+0x40/0x40 [ 146.430701][ T4300] ? kcm_write_msgs+0x2f3/0x12e0 [ 146.435663][ T4300] check_panic_on_warn+0x80/0xa0 [ 146.440592][ T4300] ? kcm_write_msgs+0x2f3/0x12e0 [ 146.445518][ T4300] end_report+0x6d/0xf0 [ 146.449661][ T4300] kasan_report+0x102/0x130 [ 146.454150][ T4300] ? kcm_write_msgs+0x2f3/0x12e0 [ 146.459090][ T4300] kcm_write_msgs+0x2f3/0x12e0 [ 146.463888][ T4300] ? lockdep_hardirqs_on+0x94/0x140 [ 146.469087][ T4300] ? __local_bh_enable_ip+0x136/0x1c0 [ 146.474456][ T4300] ? _local_bh_enable+0xa0/0xa0 [ 146.479316][ T4300] ? do_raw_spin_unlock+0x11d/0x230 [ 146.484535][ T4300] kcm_tx_work+0x35/0x180 [ 146.488935][ T4300] process_one_work+0x85f/0x1010 [ 146.493962][ T4300] ? worker_detach_from_pool+0x240/0x240 [ 146.499599][ T4300] ? lockdep_hardirqs_off+0x70/0x100 [ 146.505024][ T4300] ? _raw_spin_lock_irq+0xb7/0xf0 [ 146.510082][ T4300] ? _raw_spin_lock_irqsave+0x100/0x100 [ 146.515636][ T4300] ? wq_worker_running+0x97/0x170 [ 146.520738][ T4300] worker_thread+0xaa6/0x1290 [ 146.525416][ T4300] ? lockdep_hardirqs_on+0x94/0x140 [ 146.530702][ T4300] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 146.536758][ T4300] kthread+0x436/0x520 [ 146.540841][ T4300] ? rcu_lock_release+0x20/0x20 [ 146.545700][ T4300] ? kthread_blkcg+0xd0/0xd0 [ 146.550312][ T4300] ret_from_fork+0x1f/0x30 [ 146.554729][ T4300] [ 146.558234][ T4300] Kernel Offset: disabled [ 146.562552][ T4300] Rebooting in 86400 seconds..