[ 52.250239][ T3931] dhcpcd (3931) used greatest stack depth: 20864 bytes left [ 52.266039][ T3934] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.288353][ T3934] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.206' (ED25519) to the list of known hosts. 2026/09/19 08:10:02 parsed 1 programs 2026/09/19 08:10:02 serving rpc on tcp://45821 syzkaller login: [ 82.712094][ T4285] cgroup: Unknown subsys name 'net' [ 82.811310][ T4285] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 84.409177][ T4285] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 85.975397][ T4305] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.983071][ T4305] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.991921][ T4305] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.001400][ T4305] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.009390][ T4305] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 86.016885][ T4305] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.657342][ T126] cfg80211: failed to load regulatory.db [ 88.181664][ T4344] chnl_net:caif_netlink_parms(): no params data found [ 88.256073][ T4344] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.263915][ T4344] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.272172][ T4344] device bridge_slave_0 entered promiscuous mode [ 88.281723][ T4344] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.288999][ T4344] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.297148][ T4344] device bridge_slave_1 entered promiscuous mode [ 88.330254][ T4344] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 88.341635][ T4344] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 88.372049][ T4344] team0: Port device team_slave_0 added [ 88.380096][ T4344] team0: Port device team_slave_1 added [ 88.400652][ T4344] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 88.407965][ T4344] 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. [ 88.433963][ T4344] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 88.452827][ T4344] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.460006][ T4344] 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. [ 88.487016][ T4344] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.526990][ T4344] device hsr_slave_0 entered promiscuous mode [ 88.533684][ T4344] device hsr_slave_1 entered promiscuous mode [ 88.666125][ T4344] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.680655][ T4344] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.692103][ T4344] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.703499][ T4344] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.736899][ T4344] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.744227][ T4344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.752041][ T4344] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.759205][ T4344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.806542][ T4344] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.822105][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.832824][ T76] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.841886][ T76] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.859459][ T4344] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.881265][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.894672][ T76] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.901949][ T76] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.913988][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 88.923714][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.930874][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.952932][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 88.962386][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 88.979632][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.988242][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.007292][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.019032][ T4344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.221292][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 89.229471][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 89.247635][ T4344] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.265822][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 89.274593][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 89.308640][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 89.317664][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 89.327025][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 89.334898][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 89.344392][ T4344] device veth0_vlan entered promiscuous mode [ 89.360149][ T4344] device veth1_vlan entered promiscuous mode [ 89.381255][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 89.390074][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 89.398965][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 89.407950][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 89.423583][ T4344] device veth0_macvtap entered promiscuous mode [ 89.434206][ T4344] device veth1_macvtap entered promiscuous mode [ 89.456259][ T4344] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.464214][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 89.473609][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 89.482063][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 89.491004][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 89.505347][ T4344] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.515719][ T4344] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.525285][ T4344] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.534032][ T4344] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.543416][ T4344] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.555495][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 89.564192][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 89.718788][ T46] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.265752][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.273786][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.299450][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 90.330066][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.342730][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.352307][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/09/19 08:10:13 executed programs: 0 [ 90.921449][ T49] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.929974][ T49] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.939068][ T49] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.947159][ T49] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.954649][ T49] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 90.962095][ T49] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 91.108072][ T4380] chnl_net:caif_netlink_parms(): no params data found [ 91.159738][ T4380] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.167050][ T4380] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.175070][ T4380] device bridge_slave_0 entered promiscuous mode [ 91.183668][ T4380] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.190916][ T4380] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.198819][ T4380] device bridge_slave_1 entered promiscuous mode [ 91.221673][ T4380] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.233251][ T4380] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.257113][ T4380] team0: Port device team_slave_0 added [ 91.265826][ T4380] team0: Port device team_slave_1 added [ 91.284316][ T4380] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.291552][ T4380] 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. [ 91.318255][ T4380] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.330904][ T4380] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.338181][ T4380] 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. [ 91.364341][ T4380] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.404594][ T4380] device hsr_slave_0 entered promiscuous mode [ 91.411397][ T4380] device hsr_slave_1 entered promiscuous mode [ 91.418142][ T4380] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 91.426338][ T4380] Cannot create hsr debugfs directory [ 91.976891][ T46] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.056148][ T4305] Bluetooth: hci0: command 0x0409 tx timeout [ 94.512441][ T46] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.566295][ T46] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.135471][ T4305] Bluetooth: hci0: command 0x041b tx timeout [ 95.433228][ T4380] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.450671][ T46] device hsr_slave_0 left promiscuous mode [ 95.466071][ T46] device hsr_slave_1 left promiscuous mode [ 95.487429][ T46] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 95.494918][ T46] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 95.504158][ T46] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 95.514009][ T46] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 95.522067][ T46] device bridge_slave_1 left promiscuous mode [ 95.531899][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.555957][ T46] device bridge_slave_0 left promiscuous mode [ 95.562212][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.596670][ T46] device veth1_macvtap left promiscuous mode [ 95.603163][ T46] device veth0_macvtap left promiscuous mode [ 95.611800][ T46] device veth1_vlan left promiscuous mode [ 95.618261][ T46] device veth0_vlan left promiscuous mode [ 96.007380][ T46] team0 (unregistering): Port device team_slave_1 removed [ 96.033999][ T46] team0 (unregistering): Port device team_slave_0 removed [ 96.060306][ T46] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 96.087037][ T46] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 96.261507][ T46] bond0 (unregistering): Released all slaves [ 96.353784][ T4380] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.363006][ T4380] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.375800][ T4380] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.443035][ T4380] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.462764][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 96.479938][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 96.491332][ T4380] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.501380][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 96.510625][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 96.519818][ T76] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.527005][ T76] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.537197][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 96.555789][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 96.565382][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 96.573929][ T76] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.581087][ T76] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.601106][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 96.610379][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 96.621098][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 96.630115][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 96.641181][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 96.658780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 96.667955][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 96.681496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 96.690245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 96.710438][ T4380] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 96.722188][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 96.730579][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 96.744745][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 97.029715][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 97.037516][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 97.051451][ T4380] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.070915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 97.080552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 97.103792][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 97.113283][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 97.127229][ T4380] device veth0_vlan entered promiscuous mode [ 97.137871][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 97.146579][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 97.157264][ T4380] device veth1_vlan entered promiscuous mode [ 97.179584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 97.196058][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 97.215516][ T4305] Bluetooth: hci0: command 0x040f tx timeout [ 97.218287][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 97.246065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 97.257502][ T4380] device veth0_macvtap entered promiscuous mode [ 97.302977][ T4380] device veth1_macvtap entered promiscuous mode [ 97.347266][ T4380] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.375422][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 97.383582][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 97.392474][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 97.402051][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 97.416983][ T4380] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.450196][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 97.461930][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.472911][ T4380] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.481823][ T4380] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.490660][ T4380] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.499399][ T4380] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.590263][ T30] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.598647][ T30] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.607306][ T4423] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/09/19 08:10:20 executed programs: 2 [ 97.648539][ T30] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.657549][ T30] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.665196][ T4423] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 99.295694][ T49] Bluetooth: hci0: command 0x0419 tx timeout 2026/09/19 08:10:26 executed programs: 4 2026/09/19 08:10:32 executed programs: 6 2026/09/19 08:10:38 executed programs: 8 2026/09/19 08:10:44 executed programs: 10 2026/09/19 08:10:50 executed programs: 12 [ 132.746999][ T1280] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.753582][ T1280] ieee802154 phy1 wpan1: encryption failed: -22 2026/09/19 08:10:56 executed programs: 14 2026/09/19 08:11:02 executed programs: 16 2026/09/19 08:11:08 executed programs: 18 2026/09/19 08:11:14 executed programs: 20 2026/09/19 08:11:20 executed programs: 22 [ 158.665830][ C1] [ 158.668205][ C1] ================================ [ 158.673311][ C1] WARNING: inconsistent lock state [ 158.678451][ C1] syzkaller #0 Not tainted [ 158.682860][ C1] -------------------------------- [ 158.687962][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 158.694816][ C1] ksoftirqd/1/21 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 158.701060][ C1] ffff88802f586130 (sk_lock-AF_X25){+.?.}-{0:0}, at: x25_kill_by_neigh+0x109/0x250 [ 158.710393][ C1] {SOFTIRQ-ON-W} state was registered at: [ 158.716107][ C1] lock_acquire+0x1bb/0x4a0 [ 158.720800][ C1] lock_sock_nested+0x44/0x100 [ 158.725658][ C1] x25_bind+0x1aa/0x3e0 [ 158.729904][ C1] __sys_bind+0x2e9/0x3e0 [ 158.734326][ C1] __x64_sys_bind+0x76/0x80 [ 158.738925][ C1] do_syscall_64+0x4c/0xa0 [ 158.743439][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 158.749441][ C1] irq event stamp: 329474 [ 158.753760][ C1] hardirqs last enabled at (329474): [] __local_bh_enable_ip+0x136/0x1c0 [ 158.763843][ C1] hardirqs last disabled at (329473): [] __local_bh_enable_ip+0xd7/0x1c0 [ 158.773824][ C1] softirqs last enabled at (329226): [] run_ksoftirqd+0xa4/0x100 [ 158.783232][ C1] softirqs last disabled at (329231): [] run_ksoftirqd+0xa4/0x100 [ 158.792603][ C1] [ 158.792603][ C1] other info that might help us debug this: [ 158.800660][ C1] Possible unsafe locking scenario: [ 158.800660][ C1] [ 158.808114][ C1] CPU0 [ 158.811425][ C1] ---- [ 158.814718][ C1] lock(sk_lock-AF_X25); [ 158.819080][ C1] [ 158.822547][ C1] lock(sk_lock-AF_X25); [ 158.827071][ C1] [ 158.827071][ C1] *** DEADLOCK *** [ 158.827071][ C1] [ 158.835227][ C1] 1 lock held by ksoftirqd/1/21: [ 158.840189][ C1] #0: ffffffff8cb2d7e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_core+0x30/0x230 [ 158.850232][ C1] [ 158.850232][ C1] stack backtrace: [ 158.856149][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 158.863448][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 158.873535][ C1] Call Trace: [ 158.876846][ C1] [ 158.879802][ C1] dump_stack_lvl+0x188/0x24e [ 158.884497][ C1] ? show_regs_print_info+0x12/0x12 [ 158.889717][ C1] valid_state+0x13b/0x1d0 [ 158.894170][ C1] mark_lock_irq+0xa9/0x900 [ 158.898694][ C1] ? stack_trace_save+0xa6/0xf0 [ 158.903570][ C1] ? save_trace+0xbb0/0xbb0 [ 158.908098][ C1] ? mark_lock+0x94/0x320 [ 158.912453][ C1] ? save_trace+0x5a/0xbb0 [ 158.916900][ C1] mark_lock+0x208/0x320 [ 158.921179][ C1] __lock_acquire+0xce0/0x7c40 [ 158.925994][ C1] ? debug_objects_fill_pool+0x87/0x780 [ 158.931567][ C1] ? verify_lock_unused+0x140/0x140 [ 158.936788][ C1] ? verify_lock_unused+0x140/0x140 [ 158.942022][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 158.948118][ C1] ? __lock_acquire+0x7c40/0x7c40 [ 158.953204][ C1] ? lock_chain_count+0x20/0x20 [ 158.959172][ C1] lock_acquire+0x1bb/0x4a0 [ 158.964515][ C1] ? x25_kill_by_neigh+0x109/0x250 [ 158.971596][ C1] ? x25_kill_by_neigh+0xff/0x250 [ 158.976755][ C1] ? read_lock_is_recursive+0x10/0x10 [ 158.982170][ C1] ? __local_bh_enable_ip+0x136/0x1c0 [ 158.987599][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 158.992843][ C1] ? __local_bh_enable_ip+0x136/0x1c0 [ 158.998236][ C1] ? _local_bh_enable+0xa0/0xa0 [ 159.003111][ C1] lock_sock_nested+0x44/0x100 [ 159.007911][ C1] ? x25_kill_by_neigh+0x109/0x250 [ 159.013057][ C1] x25_kill_by_neigh+0x109/0x250 [ 159.018032][ C1] x25_lapb_receive_frame+0x1a3/0xf20 [ 159.023459][ C1] ? psi_task_switch+0x36b/0x740 [ 159.028431][ C1] ? netif_receive_skb_core+0x30/0x230 [ 159.033919][ C1] ? netif_receive_skb_core+0x30/0x230 [ 159.039409][ C1] ? x25_device_event+0x250/0x250 [ 159.044547][ C1] netif_receive_skb_core+0x166/0x230 [ 159.049946][ C1] lapbeth_napi_poll+0x3e/0x80 [ 159.054731][ C1] __napi_poll+0xbb/0x460 [ 159.059087][ C1] net_rx_action+0x622/0xbc0 [ 159.063710][ C1] ? net_tx_action+0x930/0x930 [ 159.068491][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 159.074520][ C1] ? __bpf_trace_tasklet+0x10/0x10 [ 159.079646][ C1] ? lock_chain_count+0x20/0x20 [ 159.084518][ C1] ? finish_task_switch+0x262/0x8e0 [ 159.089745][ C1] handle_softirqs+0x291/0x910 [ 159.094545][ C1] ? run_ksoftirqd+0xa4/0x100 [ 159.099256][ C1] ? do_softirq+0x210/0x210 [ 159.103777][ C1] run_ksoftirqd+0xa4/0x100 [ 159.108307][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 159.113520][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 159.118919][ C1] ? takeover_tasklets+0x770/0x770 [ 159.124046][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 159.129263][ C1] smpboot_thread_fn+0x667/0xa30 [ 159.134228][ C1] ? smpboot_thread_fn+0x49/0xa30 [ 159.139279][ C1] kthread+0x29d/0x330 [ 159.143363][ C1] ? cpu_report_death+0x250/0x250 [ 159.148416][ C1] ? kthread_blkcg+0xd0/0xd0 [ 159.153018][ C1] ret_from_fork+0x1f/0x30 [ 159.157459][ C1] [ 159.160585][ C1] BUG: sleeping function called from invalid context at net/core/sock.c:3506 [ 159.169399][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 21, name: ksoftirqd/1 [ 159.178391][ C1] preempt_count: 100, expected: 0 [ 159.184091][ C1] RCU nest depth: 1, expected: 0 [ 159.190352][ C1] INFO: lockdep is turned off. [ 159.195176][ C1] Preemption disabled at: [ 159.195187][ C1] [] handle_softirqs+0xfd/0x910 [ 159.206389][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 159.215116][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 159.225559][ C1] Call Trace: [ 159.228877][ C1] [ 159.231838][ C1] dump_stack_lvl+0x188/0x24e [ 159.236550][ C1] ? show_regs_print_info+0x12/0x12 [ 159.241784][ C1] ? load_image+0x410/0x410 [ 159.246323][ C1] ? handle_softirqs+0xfd/0x910 [ 159.251201][ C1] __might_resched+0x489/0x5f0 [ 159.255990][ C1] ? handle_softirqs+0xfd/0x910 [ 159.260858][ C1] ? __might_sleep+0xd0/0xd0 [ 159.265474][ C1] ? read_lock_is_recursive+0x10/0x10 [ 159.270876][ C1] ? __local_bh_enable_ip+0x136/0x1c0 [ 159.276272][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 159.281492][ C1] ? __local_bh_enable_ip+0x136/0x1c0 [ 159.286886][ C1] ? _local_bh_enable+0xa0/0xa0 [ 159.291756][ C1] lock_sock_nested+0x59/0x100 [ 159.296572][ C1] x25_kill_by_neigh+0x109/0x250 [ 159.301538][ C1] x25_lapb_receive_frame+0x1a3/0xf20 [ 159.306942][ C1] ? psi_task_switch+0x36b/0x740 [ 159.312020][ C1] ? netif_receive_skb_core+0x30/0x230 [ 159.317504][ C1] ? netif_receive_skb_core+0x30/0x230 [ 159.322992][ C1] ? x25_device_event+0x250/0x250 [ 159.328041][ C1] netif_receive_skb_core+0x166/0x230 [ 159.333436][ C1] lapbeth_napi_poll+0x3e/0x80 [ 159.338226][ C1] __napi_poll+0xbb/0x460 [ 159.342579][ C1] net_rx_action+0x622/0xbc0 [ 159.347196][ C1] ? net_tx_action+0x930/0x930 [ 159.351982][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 159.357995][ C1] ? __bpf_trace_tasklet+0x10/0x10 [ 159.363217][ C1] ? lock_chain_count+0x20/0x20 [ 159.368102][ C1] ? finish_task_switch+0x262/0x8e0 [ 159.373325][ C1] handle_softirqs+0x291/0x910 [ 159.378130][ C1] ? run_ksoftirqd+0xa4/0x100 [ 159.382828][ C1] ? do_softirq+0x210/0x210 [ 159.387358][ C1] run_ksoftirqd+0xa4/0x100 [ 159.391881][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 159.397097][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 159.402498][ C1] ? takeover_tasklets+0x770/0x770 [ 159.407711][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 159.412926][ C1] smpboot_thread_fn+0x667/0xa30 [ 159.417910][ C1] ? smpboot_thread_fn+0x49/0xa30 [ 159.422960][ C1] kthread+0x29d/0x330 [ 159.427065][ C1] ? cpu_report_death+0x250/0x250 [ 159.432126][ C1] ? kthread_blkcg+0xd0/0xd0 [ 159.436734][ C1] ret_from_fork+0x1f/0x30 [ 159.441272][ C1] 2026/09/19 08:11:27 executed programs: 25