[ 76.402923][ T13] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.234' (ED25519) to the list of known hosts. 2026/02/19 21:02:09 parsed 1 programs [ 84.305371][ T4578] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 86.188266][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.200728][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.209862][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.229892][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.238313][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.246602][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 86.712743][ T4636] chnl_net:caif_netlink_parms(): no params data found [ 86.764368][ T4636] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.771782][ T4636] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.779508][ T4636] device bridge_slave_0 entered promiscuous mode [ 86.787451][ T4636] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.794879][ T4636] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.803761][ T4636] device bridge_slave_1 entered promiscuous mode [ 86.827501][ T4636] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.838791][ T4636] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.863400][ T4636] team0: Port device team_slave_0 added [ 86.871037][ T4636] team0: Port device team_slave_1 added [ 86.892298][ T4636] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.899297][ T4636] 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. [ 86.925287][ T4636] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.937533][ T4636] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.944533][ T4636] 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. [ 86.970631][ T4636] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.997925][ T4636] device hsr_slave_0 entered promiscuous mode [ 87.004618][ T4636] device hsr_slave_1 entered promiscuous mode [ 87.107718][ T3104] ODEBUG: Out of memory. ODEBUG disabled [ 87.558365][ T4636] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 87.568315][ T4636] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.578789][ T4636] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.588897][ T4636] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.649592][ T4636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.662468][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.670590][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.680906][ T4636] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.694880][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 87.703962][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 87.713768][ T1234] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.720846][ T1234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.729642][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.745190][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 87.755022][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.770734][ T1234] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.777958][ T1234] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.791908][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 87.837598][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 87.854945][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 87.867143][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.876351][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 87.886498][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.896126][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.931018][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 87.939897][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.950975][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 87.959936][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.973153][ T4636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 88.102784][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 88.110311][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 88.124536][ T4636] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 88.143701][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 88.153967][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 88.189939][ T4636] device veth0_vlan entered promiscuous mode [ 88.198661][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 88.208822][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 88.218527][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 88.226558][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 88.237268][ T4636] device veth1_vlan entered promiscuous mode [ 88.284059][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 88.293913][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 88.304574][ T4636] device veth0_macvtap entered promiscuous mode [ 88.317367][ T4636] device veth1_macvtap entered promiscuous mode [ 88.358857][ T4636] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 88.372282][ T4636] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 88.379653][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 88.387910][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 88.398299][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 88.407303][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 88.418078][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 88.427866][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 88.440394][ T4636] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.454182][ T4636] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.464784][ T4636] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.473929][ T4636] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/19 21:02:16 executed programs: 0 [ 88.835549][ T4736] chnl_net:caif_netlink_parms(): no params data found [ 88.946437][ T4736] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.973129][ T4736] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.981493][ T4736] device bridge_slave_0 entered promiscuous mode [ 88.993564][ T4736] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.010177][ T4736] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.034172][ T4736] device bridge_slave_1 entered promiscuous mode [ 89.090195][ T4736] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.115219][ T4736] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.165238][ T4736] team0: Port device team_slave_0 added [ 89.174799][ T4736] team0: Port device team_slave_1 added [ 89.199031][ T4736] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.208372][ T4736] 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. [ 89.248556][ T4736] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.268421][ T4736] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.276747][ T4736] 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. [ 89.305967][ T4736] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.357644][ T4736] device hsr_slave_0 entered promiscuous mode [ 89.366711][ T4736] device hsr_slave_1 entered promiscuous mode [ 89.383894][ T4736] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 89.403241][ T4736] Cannot create hsr debugfs directory [ 89.516915][ T4736] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.731230][ T4264] Bluetooth: hci0: command 0x0409 tx timeout [ 91.786806][ T4736] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.801422][ T4264] Bluetooth: hci0: command 0x041b tx timeout [ 93.244678][ T4736] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.345386][ T4736] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.542835][ T4736] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.551646][ T4736] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.559958][ T4736] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.572739][ T4736] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.610503][ T4736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.622221][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.631031][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.645043][ T4736] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.654339][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.663145][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.673035][ T1234] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.680158][ T1234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.687923][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.698676][ T3104] device hsr_slave_0 left promiscuous mode [ 93.705957][ T3104] device hsr_slave_1 left promiscuous mode [ 93.712276][ T3104] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 93.719659][ T3104] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 93.728914][ T3104] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 93.736581][ T3104] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 93.745308][ T3104] device bridge_slave_1 left promiscuous mode [ 93.751535][ T3104] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.759650][ T3104] device bridge_slave_0 left promiscuous mode [ 93.766241][ T3104] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.776427][ T3104] device veth1_macvtap left promiscuous mode [ 93.782542][ T3104] device veth0_macvtap left promiscuous mode [ 93.788534][ T3104] device veth1_vlan left promiscuous mode [ 93.794383][ T3104] device veth0_vlan left promiscuous mode [ 93.885045][ T3104] team0 (unregistering): Port device team_slave_1 removed [ 93.896934][ T3104] team0 (unregistering): Port device team_slave_0 removed [ 93.908760][ T3104] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 93.920593][ T3104] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 93.963617][ T3104] bond0 (unregistering): Released all slaves [ 94.009693][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.018363][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.027428][ T1234] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.034611][ T1234] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.045005][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.058354][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.070637][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.079764][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.088540][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.108013][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.116704][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.127466][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.136014][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.147902][ T4736] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.164893][ T4736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.174081][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.182715][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.257956][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.266541][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 94.278199][ T4736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.303849][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.313200][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.332528][ T4736] device veth0_vlan entered promiscuous mode [ 94.339006][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.348197][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.356897][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.366221][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.378383][ T4736] device veth1_vlan entered promiscuous mode [ 94.402328][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.410780][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.420024][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.429627][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.440984][ T4736] device veth0_macvtap entered promiscuous mode [ 94.450815][ T4736] device veth1_macvtap entered promiscuous mode [ 94.467901][ T4736] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.476533][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.485740][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.494849][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.503934][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.516664][ T4736] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.524769][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.534099][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.545667][ T4736] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.555244][ T4736] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.565697][ T4736] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.576035][ T4736] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.627343][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.638948][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.655246][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/02/19 21:02:23 executed programs: 2 [ 94.675373][ T1234] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.691570][ T1234] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.699144][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 94.881207][ T4675] Bluetooth: hci0: command 0x040f tx timeout [ 94.941313][ T5025] loop0: detected capacity change from 0 to 32768 [ 95.071425][ T5025] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5025) [ 95.123639][ T5025] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm [ 95.152851][ T5025] BTRFS info (device loop0): metadata ratio 2 [ 95.158976][ T5025] BTRFS info (device loop0): force zlib compression, level 3 [ 95.171947][ T5025] BTRFS info (device loop0): use zlib compression, level 3 [ 95.179183][ T5025] BTRFS info (device loop0): enabling auto defrag [ 95.187157][ T5025] BTRFS info (device loop0): max_inline at 0 [ 95.195136][ T5025] BTRFS info (device loop0): using free space tree [ 95.204866][ T5025] BTRFS info (device loop0): has skinny extents [ 95.308842][ T5025] BTRFS info (device loop0): enabling ssd optimizations [ 95.332411][ T26] audit: type=1800 audit(1771534943.601:2): pid=5025 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.15" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 96.961231][ T4675] Bluetooth: hci0: command 0x0419 tx timeout [ 104.841804][ T5050] chnl_net:caif_netlink_parms(): no params data found [ 104.873878][ T5050] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.881047][ T5050] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.889143][ T5050] device bridge_slave_0 entered promiscuous mode [ 104.896869][ T5050] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.904022][ T5050] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.912113][ T5050] device bridge_slave_1 entered promiscuous mode [ 104.929486][ T5050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.940381][ T5050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.960103][ T5050] team0: Port device team_slave_0 added [ 104.967393][ T5050] team0: Port device team_slave_1 added [ 104.982144][ T5050] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.989179][ T5050] 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. [ 105.015278][ T5050] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.027093][ T5050] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.034047][ T5050] 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. [ 105.060597][ T5050] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.086593][ T5050] device hsr_slave_0 entered promiscuous mode [ 105.093343][ T5050] device hsr_slave_1 entered promiscuous mode [ 105.143874][ T5050] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.208960][ T5050] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.260202][ T5050] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.334505][ T5050] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.394867][ T5050] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.403809][ T5050] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.413321][ T5050] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.421899][ T5050] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.438408][ T5050] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.445575][ T5050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.453123][ T5050] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.460182][ T5050] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.492637][ T5050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.504806][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.512770][ T3104] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.520238][ T3104] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.528466][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 105.539507][ T5050] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.549723][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.558295][ T3104] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.565346][ T3104] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.582897][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.591722][ T3104] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.598761][ T3104] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.607725][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.616248][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.626787][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.638388][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.650343][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.661826][ T5050] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.726797][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.734708][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.745628][ T5050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.760257][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.776489][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.784941][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.794078][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.804346][ T5050] device veth0_vlan entered promiscuous mode [ 105.814862][ T5050] device veth1_vlan entered promiscuous mode [ 105.822350][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.839811][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 105.848858][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 105.859946][ T5050] device veth0_macvtap entered promiscuous mode [ 105.868481][ T5050] device veth1_macvtap entered promiscuous mode [ 105.882159][ T5050] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 105.892947][ T5050] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 105.904354][ T5050] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.912273][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 105.920389][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 105.928611][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 105.937310][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 105.947954][ T5050] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 105.958800][ T5050] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 105.970071][ T5050] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.979920][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 105.988552][ T1234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 105.999117][ T5050] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.008165][ T5050] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.019283][ T5050] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.028477][ T5050] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.086792][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.112442][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.121399][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/02/19 21:02:34 executed programs: 3 [ 106.137631][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.146059][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.153968][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 106.801468][ T4675] Bluetooth: hci1: command 0x0409 tx timeout [ 108.881335][ T4675] Bluetooth: hci1: command 0x041b tx timeout [ 110.961426][ T4674] Bluetooth: hci1: command 0x040f tx timeout 2026/02/19 21:02:39 executed programs: 25 [ 113.041187][ T4675] Bluetooth: hci1: command 0x0419 tx timeout 2026/02/19 21:02:44 executed programs: 49 2026/02/19 21:02:49 executed programs: 73 2026/02/19 21:02:54 executed programs: 96 2026/02/19 21:02:59 executed programs: 119 [ 132.724301][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.730596][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 2026/02/19 21:03:05 executed programs: 142 2026/02/19 21:03:10 executed programs: 166 2026/02/19 21:03:15 executed programs: 190 2026/02/19 21:03:20 executed programs: 214 2026/02/19 21:03:25 executed programs: 238 2026/02/19 21:03:30 executed programs: 262 2026/02/19 21:03:36 executed programs: 286 2026/02/19 21:03:41 executed programs: 310 2026/02/19 21:03:46 executed programs: 333 2026/02/19 21:03:51 executed programs: 357 2026/02/19 21:03:56 executed programs: 380 2026/02/19 21:04:01 executed programs: 404 [ 194.163247][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.169586][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 2026/02/19 21:04:06 executed programs: 426 2026/02/19 21:04:11 executed programs: 450 2026/02/19 21:04:17 executed programs: 474 [ 211.611215][ T4674] Bluetooth: hci0: command 0x0406 tx timeout 2026/02/19 21:04:22 executed programs: 498 2026/02/19 21:04:27 executed programs: 521 2026/02/19 21:04:32 executed programs: 544 [ 226.971164][ T4675] Bluetooth: hci1: command 0x0406 tx timeout 2026/02/19 21:04:37 executed programs: 568 2026/02/19 21:04:42 executed programs: 592 [ 236.894252][ T6878] chnl_net:caif_netlink_parms(): no params data found [ 236.925788][ T6878] bridge0: port 1(bridge_slave_0) entered blocking state [ 236.932992][ T6878] bridge0: port 1(bridge_slave_0) entered disabled state [ 236.940562][ T6878] device bridge_slave_0 entered promiscuous mode [ 236.948337][ T6878] bridge0: port 2(bridge_slave_1) entered blocking state [ 236.955505][ T6878] bridge0: port 2(bridge_slave_1) entered disabled state [ 236.963208][ T6878] device bridge_slave_1 entered promiscuous mode [ 236.980542][ T6878] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 236.995563][ T6878] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 237.013609][ T1234] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 237.030775][ T6878] team0: Port device team_slave_0 added [ 237.039541][ T6878] team0: Port device team_slave_1 added [ 237.054984][ T6878] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 237.062677][ T6878] 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. [ 237.088831][ T6878] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 237.101003][ T6878] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 237.108064][ T6878] 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. [ 237.134138][ T6878] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 237.152280][ T1234] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 237.175734][ T6878] device hsr_slave_0 entered promiscuous mode [ 237.182399][ T6878] device hsr_slave_1 entered promiscuous mode [ 237.188758][ T6878] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 237.196679][ T6878] Cannot create hsr debugfs directory [ 237.213282][ T1234] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 237.264734][ T1234] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 238.017470][ T1234] device hsr_slave_0 left promiscuous mode [ 238.025034][ T1234] device hsr_slave_1 left promiscuous mode [ 238.032362][ T1234] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 238.039738][ T1234] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 238.047886][ T1234] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 238.055336][ T1234] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 238.063312][ T1234] device bridge_slave_1 left promiscuous mode [ 238.069461][ T1234] bridge0: port 2(bridge_slave_1) entered disabled state [ 238.077591][ T1234] device bridge_slave_0 left promiscuous mode [ 238.084510][ T1234] bridge0: port 1(bridge_slave_0) entered disabled state [ 238.096597][ T1234] device veth1_macvtap left promiscuous mode [ 238.102710][ T1234] device veth0_macvtap left promiscuous mode [ 238.108889][ T1234] device veth1_vlan left promiscuous mode [ 238.114724][ T1234] device veth0_vlan left promiscuous mode [ 238.205344][ T1234] team0 (unregistering): Port device team_slave_1 removed [ 238.218220][ T1234] team0 (unregistering): Port device team_slave_0 removed [ 238.228715][ T1234] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 238.241092][ T1234] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 238.283488][ T1234] bond0 (unregistering): Released all slaves [ 238.360743][ T6878] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 238.370004][ T6878] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 238.378477][ T6878] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 238.387503][ T6878] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 238.435526][ T6878] 8021q: adding VLAN 0 to HW filter on device bond0 [ 238.447137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 238.455204][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 238.470771][ T6878] 8021q: adding VLAN 0 to HW filter on device team0 [ 238.481868][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 238.490444][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 238.500090][ T1182] bridge0: port 1(bridge_slave_0) entered blocking state [ 238.507164][ T1182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 238.517456][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 238.525525][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 238.534203][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 238.543029][ T1182] bridge0: port 2(bridge_slave_1) entered blocking state [ 238.550069][ T1182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 238.571285][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 238.580715][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 238.589455][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 238.603647][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 238.612174][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 238.620669][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 238.629350][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 238.637862][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 238.646651][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 238.654960][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 238.664063][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 238.672547][ T6878] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 238.754002][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 238.761952][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 238.773194][ T6878] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 238.792696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 238.801298][ T4268] Bluetooth: hci2: command 0x0409 tx timeout [ 238.805551][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 238.827367][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 238.838701][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 238.848632][ T6878] device veth0_vlan entered promiscuous mode [ 238.858011][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 238.866749][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 238.881461][ T6878] device veth1_vlan entered promiscuous mode [ 238.903948][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 238.916564][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 238.927640][ T6878] device veth0_macvtap entered promiscuous mode [ 238.939722][ T6878] device veth1_macvtap entered promiscuous mode [ 238.954285][ T6878] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.967666][ T6878] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.978699][ T6878] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 238.989563][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 238.997937][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 239.007921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 239.016578][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 239.029788][ T6878] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.042098][ T6878] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.055443][ T6878] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 239.063727][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 239.074781][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 239.085621][ T6878] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.097239][ T6878] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.106104][ T6878] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.117289][ T6878] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.175730][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 239.185877][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 239.194032][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 239.220733][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 239.228941][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 239.237282][ T1182] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/02/19 21:04:47 executed programs: 604 [ 240.883907][ T4675] Bluetooth: hci2: command 0x041b tx timeout [ 242.961160][ T4268] Bluetooth: hci2: command 0x040f tx timeout 2026/02/19 21:04:53 executed programs: 627 [ 245.041142][ T4674] Bluetooth: hci2: command 0x0419 tx timeout 2026/02/19 21:04:58 executed programs: 650 [ 253.691783][ T27] INFO: task kworker/u4:1:144 blocked for more than 143 seconds. [ 253.699856][ T27] Not tainted syzkaller #0 [ 253.709763][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.718602][ T27] task:kworker/u4:1 state:D stack:21080 pid: 144 ppid: 2 flags:0x00004000 [ 253.731342][ T27] Workqueue: btrfs-endio-write btrfs_work_helper [ 253.737808][ T27] Call Trace: [ 253.743415][ T27] [ 253.751275][ T27] __schedule+0x11ef/0x43c0 [ 253.755941][ T27] ? wait_extent_bit+0x3a8/0x4e0 [ 253.760924][ T27] ? release_firmware_map_entry+0x190/0x190 [ 253.774202][ T27] ? __lock_acquire+0x7d10/0x7d10 [ 253.779270][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 253.785453][ T27] ? kthread_data+0x4b/0xc0 [ 253.789975][ T27] schedule+0x11b/0x1e0 [ 253.796592][ T27] wait_extent_bit+0x3ad/0x4e0 [ 253.801430][ T27] ? lock_extent_bits+0x110/0x110 [ 253.806457][ T27] ? init_wait_entry+0xd0/0xd0 [ 253.813266][ T27] lock_extent_bits+0x85/0x110 [ 253.818060][ T27] btrfs_finish_ordered_io+0x6ab/0x1be0 [ 253.823761][ T27] ? free_async_extent_pages+0x3a0/0x3a0 [ 253.829413][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 253.837488][ T27] btrfs_work_helper+0x354/0xb80 [ 253.842534][ T27] process_one_work+0x85f/0x1010 [ 253.847488][ T27] ? worker_detach_from_pool+0x240/0x240 [ 253.855165][ T27] ? lockdep_hardirqs_off+0x70/0x100 [ 253.860471][ T27] ? _raw_spin_lock_irq+0xb7/0xf0 [ 253.865646][ T27] ? _raw_spin_lock_irqsave+0x100/0x100 [ 253.873176][ T27] ? wq_worker_running+0x97/0x170 [ 253.878234][ T27] worker_thread+0xaa6/0x1290 [ 253.882984][ T27] kthread+0x436/0x520 [ 253.887384][ T27] ? rcu_lock_release+0x20/0x20 [ 253.894178][ T27] ? kthread_blkcg+0xd0/0xd0 [ 253.898883][ T27] ret_from_fork+0x1f/0x30 [ 253.903942][ T27] [ 253.907088][ T27] INFO: task syz.0.15:5025 blocked for more than 143 seconds. [ 253.916788][ T27] Not tainted syzkaller #0 [ 253.921770][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.930430][ T27] task:syz.0.15 state:D stack:24048 pid: 5025 ppid: 4736 flags:0x00004004 [ 253.941442][ T27] Call Trace: [ 253.945076][ T27] [ 253.948018][ T27] __schedule+0x11ef/0x43c0 [ 253.952915][ T27] ? wait_extent_bit+0x3a8/0x4e0 [ 253.957947][ T27] ? release_firmware_map_entry+0x190/0x190 [ 253.965215][ T27] ? __lock_acquire+0x7d10/0x7d10 [ 253.970345][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 253.977269][ T27] ? _raw_spin_unlock+0x40/0x40 [ 253.984521][ T27] schedule+0x11b/0x1e0 [ 253.989450][ T27] wait_extent_bit+0x3ad/0x4e0 [ 253.994639][ T27] ? lock_extent_bits+0x110/0x110 [ 253.999678][ T27] ? init_wait_entry+0xd0/0xd0 [ 254.006810][ T27] ? __might_sleep+0xf0/0xf0 [ 254.011975][ T27] ? file_update_time+0x3d7/0x440 [ 254.017097][ T27] lock_extent_bits+0x85/0x110 [ 254.024282][ T27] btrfs_page_mkwrite+0x5cf/0xc80 [ 254.029428][ T27] ? btrfs_submit_direct+0x10d0/0x10d0 [ 254.035265][ T27] ? __lock_acquire+0x7d10/0x7d10 [ 254.050510][ T27] do_page_mkwrite+0x168/0x3c0 [ 254.057491][ T27] wp_page_shared+0x16b/0x6d0 [ 254.073800][ T27] handle_mm_fault+0x1f06/0x4410 [ 254.078793][ T27] ? get_page+0xe0/0xe0 [ 254.084700][ T27] ? vmacache_find+0x238/0x590 [ 254.093198][ T27] ? find_vma+0xd2/0x230 [ 254.101115][ T27] do_user_addr_fault+0x489/0xc80 [ 254.106181][ T27] exc_page_fault+0x60/0x100 [ 254.121412][ T27] asm_exc_page_fault+0x22/0x30 [ 254.126373][ T27] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 254.138946][ T27] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 254.158716][ T27] RSP: 0018:ffffc9000306f6a0 EFLAGS: 00050202 [ 254.171052][ T27] RAX: ffffffff83e3d001 RBX: 0000000000000038 RCX: 0000000000000007 [ 254.179048][ T27] RDX: 0000000000000000 RSI: ffffc9000306f740 RDI: 00000000200058e0 [ 254.187852][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 1ffff9200060deee [ 254.196009][ T27] R10: dffffc0000000000 R11: fffff5200060deef R12: 00007ffffffff000 [ 254.204039][ T27] R13: 0000000020005918 R14: ffffc9000306f740 R15: 00000000200058e0 [ 254.212269][ T27] ? _copy_to_user+0x1/0x130 [ 254.216917][ T27] _copy_to_user+0xf0/0x130 [ 254.221638][ T27] fiemap_fill_next_extent+0x1ba/0x390 [ 254.227115][ T27] ? vfs_ioctl+0xb0/0xb0 [ 254.231972][ T27] extent_fiemap+0x117a/0x15b0 [ 254.236785][ T27] ? try_release_extent_mapping+0x570/0x570 [ 254.242784][ T27] ? fiemap_prep+0x1be/0x240 [ 254.247379][ T27] btrfs_fiemap+0xc0/0x110 [ 254.251948][ T27] ? btrfs_getattr+0x4a0/0x4a0 [ 254.256714][ T27] ? __might_fault+0xb3/0x110 [ 254.261454][ T27] ? _copy_from_user+0x111/0x170 [ 254.266398][ T27] do_vfs_ioctl+0x152d/0x1ef0 [ 254.271173][ T27] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 254.276842][ T27] ? rcu_lock_release+0x5/0x20 [ 254.281669][ T27] ? __lock_acquire+0x7d10/0x7d10 [ 254.286710][ T27] ? kfree+0xef/0x2a0 [ 254.290709][ T27] ? tomoyo_path_number_perm+0x5b4/0x660 [ 254.296518][ T27] ? verify_lock_unused+0x140/0x140 [ 254.301827][ T27] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 254.307352][ T27] ? bpf_lsm_file_ioctl+0x5/0x10 [ 254.312444][ T27] ? security_file_ioctl+0x7c/0xa0 [ 254.331115][ T27] __se_sys_ioctl+0x83/0x170 [ 254.335749][ T27] do_syscall_64+0x4c/0xa0 [ 254.340182][ T27] ? clear_bhb_loop+0x30/0x80 [ 254.346052][ T27] ? clear_bhb_loop+0x30/0x80 [ 254.350748][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 254.356801][ T27] RIP: 0033:0x7fdfa5dd3be9 [ 254.361305][ T27] RSP: 002b:00007fdfa504a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 254.369723][ T27] RAX: ffffffffffffffda RBX: 00007fdfa5fa1f80 RCX: 00007fdfa5dd3be9 [ 254.377768][ T27] RDX: 00000000200058c0 RSI: 00000000c020660b RDI: 0000000000000004 [ 254.385782][ T27] RBP: 00007fdfa5e572bf R08: 0000000000000000 R09: 0000000000000000 [ 254.393922][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 254.402110][ T27] R13: 0000000000000000 R14: 00007fdfa5fa1f80 R15: 00007ffc860f4388 [ 254.410386][ T27] [ 254.413620][ T27] [ 254.413620][ T27] Showing all locks held in the system: [ 254.422171][ T27] 1 lock held by khungtaskd/27: [ 254.427034][ T27] #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 254.436846][ T27] 2 locks held by kworker/u4:1/144: [ 254.444745][ T27] #0: ffff88801fc35938 ((wq_completion)btrfs-endio-write){+.+.}-{0:0}, at: process_one_work+0x761/0x1010 [ 254.470844][ T27] #1: ffffc900016afd00 ((work_completion)(&work->normal_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010 [ 254.491112][ T27] 2 locks held by getty/3952: [ 254.495836][ T27] #0: ffff88802ccd9098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 254.517132][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70 [ 254.527379][ T27] 3 locks held by syz.0.15/5025: [ 254.532606][ T27] #0: ffff88807e3f4e28 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 254.542721][ T27] #1: ffff88807d83a558 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x168/0x3c0 [ 254.552443][ T27] #2: ffff8880702f1838 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_page_mkwrite+0x480/0xc80 [ 254.563168][ T27] [ 254.565494][ T27] ============================================= [ 254.565494][ T27] [ 254.574067][ T27] NMI backtrace for cpu 0 [ 254.578405][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 254.585683][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 254.595938][ T27] Call Trace: [ 254.599217][ T27] [ 254.602232][ T27] dump_stack_lvl+0x188/0x250 [ 254.606914][ T27] ? show_regs_print_info+0x20/0x20 [ 254.612122][ T27] ? load_image+0x400/0x400 [ 254.616638][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0 [ 254.621758][ T27] nmi_cpu_backtrace+0x3a2/0x3d0 [ 254.626694][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 254.632849][ T27] ? _printk+0xda/0x130 [ 254.637011][ T27] ? load_image+0x400/0x400 [ 254.641514][ T27] ? load_image+0x400/0x400 [ 254.646014][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 254.652081][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 254.658064][ T27] watchdog+0xe0f/0xe50 [ 254.662228][ T27] kthread+0x436/0x520 [ 254.666294][ T27] ? hungtask_pm_notify+0x40/0x40 [ 254.671400][ T27] ? kthread_blkcg+0xd0/0xd0 [ 254.675986][ T27] ret_from_fork+0x1f/0x30 [ 254.680493][ T27] [ 254.683861][ T27] Sending NMI from CPU 0 to CPUs 1: [ 254.689075][ C1] NMI backtrace for cpu 1 [ 254.689085][ C1] CPU: 1 PID: 3562 Comm: udevd Not tainted syzkaller #0 [ 254.689098][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 254.689106][ C1] RIP: 0010:kasan_check_range+0x84/0x290 [ 254.689126][ C1] Code: 49 c1 e9 03 4b 8d 1c 21 49 89 df 4d 29 df 49 83 ff 10 7f 29 4d 85 ff 0f 84 38 01 00 00 4c 89 cb 48 f7 d3 4c 01 f3 41 80 3b 00 <0f> 85 86 01 00 00 49 ff c3 48 ff c3 75 ee e9 18 01 00 00 44 89 dd [ 254.689138][ C1] RSP: 0018:ffffc90002267ab0 EFLAGS: 00000046 [ 254.689151][ C1] RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff815d0b6a [ 254.689161][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901d30d0 [ 254.689169][ C1] RBP: ffffc90002267d30 R08: ffffffff901d30d7 R09: 1ffffffff203a61a [ 254.689179][ C1] R10: dffffc0000000000 R11: fffffbfff203a61a R12: dffffc0000000001 [ 254.689189][ C1] R13: 0000000000000010 R14: 1ffffffff203a61a R15: 0000000000000001 [ 254.689198][ C1] FS: 00007ffbcb9c5880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 254.689210][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 254.689219][ C1] CR2: 00007fd870df5c80 CR3: 000000001ea07000 CR4: 00000000003506e0 [ 254.689231][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 254.689239][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 254.689247][ C1] Call Trace: [ 254.689251][ C1] [ 254.689256][ C1] __lock_acquire+0x52a/0x7d10 [ 254.689274][ C1] ? lock_chain_count+0x20/0x20 [ 254.689295][ C1] ? verify_lock_unused+0x140/0x140 [ 254.689309][ C1] ? rcu_read_lock_any_held+0xb0/0x130 [ 254.689324][ C1] ? rcu_read_lock_bh_held+0xf0/0xf0 [ 254.689340][ C1] ? kernfs_fop_write_iter+0x417/0x4c0 [ 254.689356][ C1] ? file_end_write+0x156/0x250 [ 254.689369][ C1] ? vfs_write+0x8b2/0xd60 [ 254.689383][ C1] lock_acquire+0x19e/0x400 [ 254.689396][ C1] ? __context_tracking_exit+0x4c/0x80 [ 254.689415][ C1] ? __context_tracking_enter+0x60/0x90 [ 254.689429][ C1] ? read_lock_is_recursive+0x10/0x10 [ 254.689444][ C1] ? __lock_acquire+0x7d10/0x7d10 [ 254.689462][ C1] vtime_user_exit+0x95/0x3e0 [ 254.689476][ C1] ? __context_tracking_exit+0x4c/0x80 [ 254.689489][ C1] ? vtime_user_enter+0x1f0/0x2d0 [ 254.689503][ C1] ? __context_tracking_exit+0x4c/0x80 [ 254.689518][ C1] __context_tracking_exit+0x4c/0x80 [ 254.689532][ C1] syscall_enter_from_user_mode+0x56/0x70 [ 254.689547][ C1] do_syscall_64+0x24/0xa0 [ 254.689559][ C1] ? clear_bhb_loop+0x30/0x80 [ 254.689572][ C1] ? clear_bhb_loop+0x30/0x80 [ 254.689585][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 254.689598][ C1] RIP: 0033:0x7ffbcbb21a67 [ 254.689609][ C1] Code: 44 00 00 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 01 31 c9 e8 ca 19 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 b3 0d 00 f7 d8 64 89 02 b8 [ 254.689619][ C1] RSP: 002b:00007fff86a3bf28 EFLAGS: 00000297 ORIG_RAX: 0000000000000003 [ 254.689632][ C1] RAX: ffffffffffffffda RBX: 00005575a80e98a0 RCX: 00007ffbcbb21a67 [ 254.689642][ C1] RDX: 00007ffbcbbfbea0 RSI: 00005575a8169c70 RDI: 000000000000000c [ 254.689650][ C1] RBP: 00007ffbcbbfbff0 R08: 0000000000000000 R09: 0000000000000000 2026/02/19 21:05:03 executed programs: 671 [ 254.689658][ C1] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000000 [ 254.689666][ C1] R13: 000055758f7db100 R14: 00007fff86a3c290 R15: 00007fff86a3c180 [ 254.689680][ C1] [ 255.027614][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 255.034496][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 255.041754][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 255.051803][ T27] Call Trace: [ 255.055076][ T27] [ 255.058002][ T27] dump_stack_lvl+0x188/0x250 [ 255.062683][ T27] ? show_regs_print_info+0x20/0x20 [ 255.067888][ T27] ? load_image+0x400/0x400 [ 255.072402][ T27] panic+0x2e5/0x810 [ 255.076291][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 255.081920][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 255.086417][ T27] ? __irq_work_queue_local+0x12c/0x190 [ 255.091970][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280 [ 255.098127][ T27] watchdog+0xe4e/0xe50 [ 255.102302][ T27] kthread+0x436/0x520 [ 255.106369][ T27] ? hungtask_pm_notify+0x40/0x40 [ 255.111386][ T27] ? kthread_blkcg+0xd0/0xd0 [ 255.116172][ T27] ret_from_fork+0x1f/0x30 [ 255.120598][ T27] [ 255.123732][ T27] Kernel Offset: disabled [ 255.128183][ T27] Rebooting in 86400 seconds..