Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts. 2025/12/20 14:29:42 parsed 1 programs [ 84.116217][ T5771] cgroup: Unknown subsys name 'net' [ 84.255549][ T5771] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 86.004930][ T5771] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 89.693679][ T5818] chnl_net:caif_netlink_parms(): no params data found [ 90.120572][ T5818] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.134402][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.156997][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.177594][ T5818] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.207576][ T5818] bridge_slave_0: entered allmulticast mode [ 90.216653][ T5818] bridge_slave_0: entered promiscuous mode [ 90.258657][ T5818] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.266055][ T5818] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.287597][ T5818] bridge_slave_1: entered allmulticast mode [ 90.298875][ T5818] bridge_slave_1: entered promiscuous mode [ 90.420191][ T5818] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.468488][ T5818] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.509694][ T1112] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.517811][ T1112] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.595850][ T5818] team0: Port device team_slave_0 added [ 90.624666][ T5818] team0: Port device team_slave_1 added [ 90.855667][ T5818] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.866255][ T5818] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 90.893685][ T5818] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.968427][ T5857] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.979230][ T5857] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.990263][ T5857] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.999275][ T5857] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.008761][ T5857] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 91.016839][ T5857] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 91.019109][ T5818] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.043819][ T5818] 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. [ 91.077055][ T5818] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.274964][ T5818] hsr_slave_0: entered promiscuous mode [ 91.281954][ T5818] hsr_slave_1: entered promiscuous mode [ 91.846361][ T5818] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 91.887855][ T5818] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 91.898932][ T5818] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 91.921907][ T5818] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 92.082361][ T787] cfg80211: failed to load regulatory.db [ 92.176704][ T5818] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.229775][ T5818] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.246787][ T1017] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.254336][ T1017] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.305800][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.313090][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.579222][ T5818] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.642334][ T5818] veth0_vlan: entered promiscuous mode [ 92.654758][ T5818] veth1_vlan: entered promiscuous mode [ 92.701327][ T5818] veth0_macvtap: entered promiscuous mode [ 92.711985][ T5818] veth1_macvtap: entered promiscuous mode [ 92.732099][ T5818] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.775194][ T5818] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.786790][ T5818] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.797614][ T5818] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.806367][ T5818] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.817168][ T5818] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/12/20 14:29:53 executed programs: 0 [ 93.121572][ T5857] Bluetooth: hci0: command tx timeout [ 93.169985][ T5082] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 93.186588][ T5890] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 93.197447][ T5890] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 93.206571][ T5892] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 93.218892][ T5890] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 93.226318][ T5892] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 93.235071][ T5890] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 93.243731][ T5892] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 93.254920][ T5890] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 93.262567][ T5892] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 93.270307][ T5890] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 93.280876][ T5890] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 93.289483][ T5890] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 93.300004][ T5893] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 93.303944][ T5890] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 93.308039][ T5893] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 93.323445][ T5893] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 93.340788][ T5893] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 93.341717][ T5894] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 93.359612][ T5893] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 93.364145][ T5894] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 93.387653][ T51] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 93.395429][ T51] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 93.403321][ T51] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 93.531923][ T1146] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.970402][ T5895] chnl_net:caif_netlink_parms(): no params data found [ 94.064565][ T5885] chnl_net:caif_netlink_parms(): no params data found [ 94.110681][ T5886] chnl_net:caif_netlink_parms(): no params data found [ 94.125610][ T5888] chnl_net:caif_netlink_parms(): no params data found [ 94.224647][ T5895] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.231989][ T5895] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.239605][ T5895] bridge_slave_0: entered allmulticast mode [ 94.246641][ T5895] bridge_slave_0: entered promiscuous mode [ 94.289403][ T5895] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.296661][ T5895] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.304269][ T5895] bridge_slave_1: entered allmulticast mode [ 94.311883][ T5895] bridge_slave_1: entered promiscuous mode [ 94.436718][ T5895] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.446057][ T5888] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.453471][ T5888] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.461569][ T5888] bridge_slave_0: entered allmulticast mode [ 94.468921][ T5888] bridge_slave_0: entered promiscuous mode [ 94.476269][ T5885] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.483988][ T5885] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.491366][ T5885] bridge_slave_0: entered allmulticast mode [ 94.498799][ T5885] bridge_slave_0: entered promiscuous mode [ 94.520556][ T5895] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.556600][ T5888] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.564259][ T5888] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.571960][ T5888] bridge_slave_1: entered allmulticast mode [ 94.579855][ T5888] bridge_slave_1: entered promiscuous mode [ 94.586683][ T5885] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.594025][ T5885] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.601612][ T5885] bridge_slave_1: entered allmulticast mode [ 94.609328][ T5885] bridge_slave_1: entered promiscuous mode [ 94.616438][ T5886] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.623769][ T5886] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.632326][ T5886] bridge_slave_0: entered allmulticast mode [ 94.639642][ T5886] bridge_slave_0: entered promiscuous mode [ 94.648091][ T5886] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.655268][ T5886] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.663110][ T5886] bridge_slave_1: entered allmulticast mode [ 94.670412][ T5886] bridge_slave_1: entered promiscuous mode [ 94.682009][ T5895] team0: Port device team_slave_0 added [ 94.754191][ T5895] team0: Port device team_slave_1 added [ 94.770486][ T5888] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.782763][ T5888] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.794848][ T5885] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.861661][ T5885] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.873365][ T5886] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.887419][ T5886] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.912513][ T5888] team0: Port device team_slave_0 added [ 94.921876][ T5888] team0: Port device team_slave_1 added [ 94.966201][ T5895] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.973449][ T5895] 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. [ 95.002212][ T5895] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.047511][ T5886] team0: Port device team_slave_0 added [ 95.058213][ T5885] team0: Port device team_slave_0 added [ 95.064863][ T5895] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.072315][ T5895] 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. [ 95.098911][ T5895] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.131259][ T5886] team0: Port device team_slave_1 added [ 95.153299][ T5885] team0: Port device team_slave_1 added [ 95.182563][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.190007][ T5888] 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. [ 95.217549][ T5888] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.230461][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.237501][ T5888] 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. [ 95.264219][ T5888] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.304818][ T5885] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.312346][ T5885] 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. [ 95.338735][ T5885] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.359373][ T5894] Bluetooth: hci1: command tx timeout [ 95.363097][ T5886] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.372476][ T5886] 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. [ 95.398780][ T5886] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.413421][ T5886] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.421522][ T5886] 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. [ 95.437235][ T5894] Bluetooth: hci3: command tx timeout [ 95.447778][ T5892] Bluetooth: hci2: command tx timeout [ 95.453602][ T51] Bluetooth: hci4: command tx timeout [ 95.464835][ T5886] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.487018][ T5885] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.494025][ T5885] 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. [ 95.520661][ T5885] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.630190][ T5895] hsr_slave_0: entered promiscuous mode [ 95.636709][ T5895] hsr_slave_1: entered promiscuous mode [ 95.644768][ T5895] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 95.653533][ T5895] Cannot create hsr debugfs directory [ 95.665771][ T5888] hsr_slave_0: entered promiscuous mode [ 95.672776][ T5888] hsr_slave_1: entered promiscuous mode [ 95.680587][ T5888] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 95.688244][ T5888] Cannot create hsr debugfs directory [ 95.699114][ T5885] hsr_slave_0: entered promiscuous mode [ 95.706525][ T5885] hsr_slave_1: entered promiscuous mode [ 95.713621][ T5885] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 95.721526][ T5885] Cannot create hsr debugfs directory [ 95.785169][ T5886] hsr_slave_0: entered promiscuous mode [ 95.792048][ T5886] hsr_slave_1: entered promiscuous mode [ 95.802712][ T5886] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 95.810651][ T5886] Cannot create hsr debugfs directory [ 95.828009][ T1146] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.412237][ T5888] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 96.422728][ T5888] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 96.433914][ T5888] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 96.444398][ T5888] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 96.532967][ T5888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.552738][ T5888] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.567941][ T1114] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.575100][ T1114] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.592955][ T1017] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.600155][ T1017] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.811623][ T5888] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.858443][ T5888] veth0_vlan: entered promiscuous mode [ 96.872095][ T5888] veth1_vlan: entered promiscuous mode [ 96.905458][ T5888] veth0_macvtap: entered promiscuous mode [ 96.916526][ T5888] veth1_macvtap: entered promiscuous mode [ 96.935373][ T5888] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 96.950501][ T5888] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 96.962803][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.975174][ T5888] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 96.985909][ T5888] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 96.999157][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.013530][ T5888] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.022636][ T5888] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.031533][ T5888] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.040758][ T5888] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.110766][ T1017] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.123876][ T1017] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.154751][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.163920][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.229399][ T5934] syz.2.19[5934]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 97.255695][ T5934] loop2: detected capacity change from 0 to 2048 [ 97.300670][ T5934] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 97.316568][ T28] audit: type=1800 audit(1766240997.855:2): pid=5934 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.19" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 97.342747][ T5933] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 97.366396][ T28] audit: type=1800 audit(1766240997.885:3): pid=5934 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.19" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 97.374449][ T5934] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 97.399855][ T5934] EXT4-fs (loop2): This should not happen!! Data will be lost [ 97.399855][ T5934] [ 97.409851][ T5934] EXT4-fs (loop2): Total free blocks count 0 [ 97.415870][ T5934] EXT4-fs (loop2): Free/Dirty block details [ 97.421949][ T5934] EXT4-fs (loop2): free_blocks=4096 [ 97.427839][ T5934] EXT4-fs (loop2): dirty_blocks=16 [ 97.432982][ T5934] EXT4-fs (loop2): Block reservation details [ 97.441496][ T51] Bluetooth: hci1: command tx timeout [ 97.441723][ T5934] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 97.458843][ T5938] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 97.517260][ T5894] Bluetooth: hci3: command tx timeout [ 97.517892][ T5892] Bluetooth: hci2: command tx timeout [ 97.522781][ T51] Bluetooth: hci4: command tx timeout [ 97.581644][ T5940] loop2: detected capacity change from 0 to 2048 [ 97.603950][ T5940] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 97.626400][ T28] audit: type=1800 audit(1766240998.165:4): pid=5940 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.21" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 97.654905][ T5939] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 97.667944][ T28] audit: type=1800 audit(1766240998.195:5): pid=5940 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.21" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 97.680643][ T5940] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 97.702665][ T5940] EXT4-fs (loop2): This should not happen!! Data will be lost [ 97.702665][ T5940] [ 97.712485][ T5940] EXT4-fs (loop2): Total free blocks count 0 [ 97.718655][ T5940] EXT4-fs (loop2): Free/Dirty block details [ 97.724580][ T5940] EXT4-fs (loop2): free_blocks=4096 [ 97.730507][ T5940] EXT4-fs (loop2): dirty_blocks=16 [ 97.735662][ T5940] EXT4-fs (loop2): Block reservation details [ 97.741789][ T5940] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 97.749923][ T5943] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 97.857411][ T5945] loop2: detected capacity change from 0 to 2048 [ 97.902119][ T5945] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 97.918763][ T5944] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 97.932812][ T28] audit: type=1800 audit(1766240998.455:6): pid=5945 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.22" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 97.935955][ T5945] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 97.965774][ T5945] EXT4-fs (loop2): This should not happen!! Data will be lost [ 97.965774][ T5945] [ 97.976111][ T5945] EXT4-fs (loop2): Total free blocks count 0 [ 97.982621][ T5945] EXT4-fs (loop2): Free/Dirty block details [ 97.988949][ T5945] EXT4-fs (loop2): free_blocks=4096 [ 97.991784][ T28] audit: type=1800 audit(1766240998.465:7): pid=5945 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.22" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 97.994171][ T5945] EXT4-fs (loop2): dirty_blocks=16 [ 98.020951][ T5945] EXT4-fs (loop2): Block reservation details [ 98.027405][ T5945] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 98.035715][ T5948] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 2025/12/20 14:29:58 executed programs: 11 [ 98.058662][ T1146] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.151283][ T5950] loop2: detected capacity change from 0 to 2048 [ 98.166627][ T1146] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.207757][ T5950] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 98.223978][ T5949] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 98.232095][ T28] audit: type=1800 audit(1766240998.765:8): pid=5950 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.23" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 98.248627][ T5950] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 98.273537][ T5950] EXT4-fs (loop2): This should not happen!! Data will be lost [ 98.273537][ T5950] [ 98.283657][ T5950] EXT4-fs (loop2): Total free blocks count 0 [ 98.289765][ T5950] EXT4-fs (loop2): Free/Dirty block details [ 98.297087][ T5950] EXT4-fs (loop2): free_blocks=4096 [ 98.302426][ T5950] EXT4-fs (loop2): dirty_blocks=16 [ 98.307674][ T5950] EXT4-fs (loop2): Block reservation details [ 98.313719][ T5950] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 98.320404][ T28] audit: type=1800 audit(1766240998.765:9): pid=5950 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.23" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 98.343197][ T5953] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 98.507647][ T5955] loop2: detected capacity change from 0 to 2048 [ 98.560019][ T5955] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 98.634339][ T5954] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 98.638816][ T28] audit: type=1800 audit(1766240999.175:10): pid=5955 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.24" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 98.680360][ T5955] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 98.743748][ T5955] EXT4-fs (loop2): This should not happen!! Data will be lost [ 98.743748][ T5955] [ 98.753884][ T28] audit: type=1800 audit(1766240999.175:11): pid=5955 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.24" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 98.775968][ T5955] EXT4-fs (loop2): Total free blocks count 0 [ 98.783533][ T5955] EXT4-fs (loop2): Free/Dirty block details [ 98.789585][ T5955] EXT4-fs (loop2): free_blocks=4096 [ 98.794895][ T5955] EXT4-fs (loop2): dirty_blocks=16 [ 98.801911][ T5955] EXT4-fs (loop2): Block reservation details [ 98.808454][ T5955] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 98.816654][ T5962] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 98.989589][ T5966] loop2: detected capacity change from 0 to 2048 [ 99.098711][ T5966] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 99.163994][ T5965] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 99.196663][ T5966] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 99.211986][ T5966] EXT4-fs (loop2): This should not happen!! Data will be lost [ 99.211986][ T5966] [ 99.224969][ T5966] EXT4-fs (loop2): Total free blocks count 0 [ 99.248139][ T5966] EXT4-fs (loop2): Free/Dirty block details [ 99.254122][ T5966] EXT4-fs (loop2): free_blocks=4096 [ 99.260408][ T5966] EXT4-fs (loop2): dirty_blocks=16 [ 99.265588][ T5966] EXT4-fs (loop2): Block reservation details [ 99.274494][ T5966] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 99.294586][ T5976] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 99.478514][ T5979] loop2: detected capacity change from 0 to 2048 [ 99.499020][ T5895] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 99.518407][ T51] Bluetooth: hci1: command tx timeout [ 99.551652][ T5895] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 99.595975][ T5979] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 99.609830][ T51] Bluetooth: hci4: command tx timeout [ 99.609840][ T5892] Bluetooth: hci3: command tx timeout [ 99.618329][ T5892] Bluetooth: hci2: command tx timeout [ 99.639005][ T5977] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 99.655739][ T5979] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 99.674833][ T5979] EXT4-fs (loop2): This should not happen!! Data will be lost [ 99.674833][ T5979] [ 99.686509][ T5979] EXT4-fs (loop2): Total free blocks count 0 [ 99.691977][ T5895] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 99.699521][ T5979] EXT4-fs (loop2): Free/Dirty block details [ 99.710479][ T5979] EXT4-fs (loop2): free_blocks=4096 [ 99.710987][ T5895] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 99.715716][ T5979] EXT4-fs (loop2): dirty_blocks=16 [ 99.728328][ T5979] EXT4-fs (loop2): Block reservation details [ 99.734354][ T5979] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 99.752907][ T5979] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 99.864674][ T5988] loop2: detected capacity change from 0 to 2048 [ 99.888551][ T5988] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 99.910291][ T5986] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 99.932628][ T5988] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 99.953710][ T5988] EXT4-fs (loop2): This should not happen!! Data will be lost [ 99.953710][ T5988] [ 99.966574][ T5988] EXT4-fs (loop2): Total free blocks count 0 [ 99.972762][ T5988] EXT4-fs (loop2): Free/Dirty block details [ 99.979256][ T5988] EXT4-fs (loop2): free_blocks=4096 [ 99.984518][ T5988] EXT4-fs (loop2): dirty_blocks=16 [ 99.989909][ T5988] EXT4-fs (loop2): Block reservation details [ 99.995929][ T5988] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 100.007731][ T5993] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 100.074574][ T5885] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.151574][ T5885] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.176315][ T5995] loop2: detected capacity change from 0 to 2048 [ 100.181942][ T5885] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.227407][ T5885] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.246307][ T5995] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 100.296395][ T1146] hsr_slave_0: left promiscuous mode [ 100.304088][ T5994] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 100.342706][ T1146] hsr_slave_1: left promiscuous mode [ 100.349903][ T1146] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 100.363334][ T1146] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.371410][ T5995] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 100.385478][ T1146] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 100.387088][ T5995] EXT4-fs (loop2): This should not happen!! Data will be lost [ 100.387088][ T5995] [ 100.393780][ T1146] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 100.411643][ T1146] bridge_slave_1: left allmulticast mode [ 100.417739][ T1146] bridge_slave_1: left promiscuous mode [ 100.424567][ T1146] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.434861][ T5995] EXT4-fs (loop2): Total free blocks count 0 [ 100.441294][ T5995] EXT4-fs (loop2): Free/Dirty block details [ 100.449819][ T1146] bridge_slave_0: left allmulticast mode [ 100.451566][ T5995] EXT4-fs (loop2): free_blocks=4096 [ 100.455509][ T1146] bridge_slave_0: left promiscuous mode [ 100.463858][ T5995] EXT4-fs (loop2): dirty_blocks=16 [ 100.467182][ T1146] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.472335][ T5995] EXT4-fs (loop2): Block reservation details [ 100.490909][ T5995] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 100.499614][ T6004] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 100.610832][ T1146] veth1_macvtap: left promiscuous mode [ 100.627230][ T1146] veth0_macvtap: left promiscuous mode [ 100.633626][ T1146] veth1_vlan: left promiscuous mode [ 100.652022][ T1146] veth0_vlan: left promiscuous mode [ 100.718339][ T6011] loop2: detected capacity change from 0 to 2048 [ 100.769274][ T6011] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 100.813606][ T6010] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 100.854682][ T6011] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 100.875867][ T6011] EXT4-fs (loop2): This should not happen!! Data will be lost [ 100.875867][ T6011] [ 100.893448][ T6011] EXT4-fs (loop2): Total free blocks count 0 [ 100.900093][ T6011] EXT4-fs (loop2): Free/Dirty block details [ 100.906118][ T6011] EXT4-fs (loop2): free_blocks=4096 [ 100.917829][ T6011] EXT4-fs (loop2): dirty_blocks=16 [ 100.923755][ T6011] EXT4-fs (loop2): Block reservation details [ 100.951520][ T6011] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 100.971899][ T6018] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 101.158417][ T6020] loop2: detected capacity change from 0 to 2048 [ 101.190018][ T6020] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 101.229488][ T6019] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 101.285956][ T6020] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 101.305604][ T6020] EXT4-fs (loop2): This should not happen!! Data will be lost [ 101.305604][ T6020] [ 101.321416][ T6020] EXT4-fs (loop2): Total free blocks count 0 [ 101.348536][ T6020] EXT4-fs (loop2): Free/Dirty block details [ 101.354565][ T6020] EXT4-fs (loop2): free_blocks=4096 [ 101.370209][ T6020] EXT4-fs (loop2): dirty_blocks=16 [ 101.375440][ T6020] EXT4-fs (loop2): Block reservation details [ 101.387415][ T6020] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 101.398464][ T6023] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 101.549342][ T6025] loop2: detected capacity change from 0 to 2048 [ 101.595919][ T6025] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 101.608845][ T5892] Bluetooth: hci1: command tx timeout [ 101.631042][ T6024] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 101.660808][ T6025] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 101.673953][ T6025] EXT4-fs (loop2): This should not happen!! Data will be lost [ 101.673953][ T6025] [ 101.675002][ T1146] team0 (unregistering): Port device team_slave_1 removed [ 101.684671][ T6025] EXT4-fs (loop2): Total free blocks count 0 [ 101.703630][ T5892] Bluetooth: hci2: command tx timeout [ 101.709327][ T51] Bluetooth: hci3: command tx timeout [ 101.714310][ T6025] EXT4-fs (loop2): Free/Dirty block details [ 101.715681][ T51] Bluetooth: hci4: command tx timeout [ 101.726539][ T6025] EXT4-fs (loop2): free_blocks=4096 [ 101.731984][ T6025] EXT4-fs (loop2): dirty_blocks=16 [ 101.737765][ T6025] EXT4-fs (loop2): Block reservation details [ 101.744120][ T6025] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 101.762066][ T6028] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 101.784033][ T1146] team0 (unregistering): Port device team_slave_0 removed [ 101.885966][ T1146] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.900855][ T6030] loop2: detected capacity change from 0 to 2048 [ 101.930091][ T6030] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 101.946495][ T6029] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 101.962291][ T6030] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 101.974891][ T6030] EXT4-fs (loop2): This should not happen!! Data will be lost [ 101.974891][ T6030] [ 101.984669][ T6030] EXT4-fs (loop2): Total free blocks count 0 [ 101.990801][ T6030] EXT4-fs (loop2): Free/Dirty block details [ 101.996741][ T6030] EXT4-fs (loop2): free_blocks=4096 [ 102.002321][ T6030] EXT4-fs (loop2): dirty_blocks=16 [ 102.007562][ T6030] EXT4-fs (loop2): Block reservation details [ 102.013684][ T6030] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 102.014034][ T1146] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 102.028895][ T6030] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 102.153982][ T6034] loop2: detected capacity change from 0 to 2048 [ 102.203453][ T6034] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 102.256184][ T6033] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 102.277873][ T6034] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 102.299006][ T6034] EXT4-fs (loop2): This should not happen!! Data will be lost [ 102.299006][ T6034] [ 102.314772][ T6034] EXT4-fs (loop2): Total free blocks count 0 [ 102.321190][ T6034] EXT4-fs (loop2): Free/Dirty block details [ 102.334561][ T6034] EXT4-fs (loop2): free_blocks=4096 [ 102.340665][ T6034] EXT4-fs (loop2): dirty_blocks=16 [ 102.345848][ T6034] EXT4-fs (loop2): Block reservation details [ 102.352344][ T6034] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 102.361626][ T6037] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 102.481945][ T6039] loop2: detected capacity change from 0 to 2048 [ 102.544853][ T6039] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 102.561139][ T28] kauditd_printk_skb: 18 callbacks suppressed [ 102.561154][ T28] audit: type=1800 audit(1766241003.105:30): pid=6039 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.34" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 102.562966][ T6038] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 102.597033][ T28] audit: type=1800 audit(1766241003.105:31): pid=6039 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.34" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 102.623561][ T6039] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 102.637746][ T6039] EXT4-fs (loop2): This should not happen!! Data will be lost [ 102.637746][ T6039] [ 102.648029][ T6039] EXT4-fs (loop2): Total free blocks count 0 [ 102.654084][ T6039] EXT4-fs (loop2): Free/Dirty block details [ 102.660641][ T6039] EXT4-fs (loop2): free_blocks=4096 [ 102.672648][ T6039] EXT4-fs (loop2): dirty_blocks=16 [ 102.684907][ T6039] EXT4-fs (loop2): Block reservation details [ 102.698436][ T6039] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 102.711267][ T6043] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 102.862010][ T6045] loop2: detected capacity change from 0 to 2048 [ 102.909123][ T6045] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 102.931100][ T6044] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 102.951121][ T28] audit: type=1800 audit(1766241003.475:32): pid=6045 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.35" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 102.968765][ T6045] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 102.985120][ T28] audit: type=1800 audit(1766241003.475:33): pid=6045 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.35" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 102.995299][ T1146] bond0 (unregistering): Released all slaves [ 103.008746][ T6045] EXT4-fs (loop2): This should not happen!! Data will be lost [ 103.008746][ T6045] [ 103.027419][ T6045] EXT4-fs (loop2): Total free blocks count 0 [ 103.033476][ T6045] EXT4-fs (loop2): Free/Dirty block details [ 103.040638][ T6045] EXT4-fs (loop2): free_blocks=4096 [ 103.045895][ T6045] EXT4-fs (loop2): dirty_blocks=16 [ 103.051372][ T6045] EXT4-fs (loop2): Block reservation details [ 103.057742][ T6045] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 103.065490][ T6048] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 2025/12/20 14:30:03 executed programs: 24 [ 103.173182][ T6050] loop2: detected capacity change from 0 to 2048 [ 103.238210][ T6050] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 103.255071][ T28] audit: type=1800 audit(1766241003.795:34): pid=6050 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.36" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 103.256011][ T6049] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 103.292636][ T5886] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 103.309480][ T28] audit: type=1800 audit(1766241003.795:35): pid=6050 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.36" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 103.318092][ T6050] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 103.353172][ T6050] EXT4-fs (loop2): This should not happen!! Data will be lost [ 103.353172][ T6050] [ 103.373498][ T6050] EXT4-fs (loop2): Total free blocks count 0 [ 103.382703][ T5886] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 103.387225][ T6050] EXT4-fs (loop2): Free/Dirty block details [ 103.399004][ T6050] EXT4-fs (loop2): free_blocks=4096 [ 103.404277][ T6050] EXT4-fs (loop2): dirty_blocks=16 [ 103.412004][ T6050] EXT4-fs (loop2): Block reservation details [ 103.418483][ T6050] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 103.426486][ T6057] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 103.430314][ T5886] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 103.493124][ T5886] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 103.608975][ T6061] loop2: detected capacity change from 0 to 2048 [ 103.643256][ T5895] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.673410][ T6061] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 103.710665][ T28] audit: type=1800 audit(1766241004.255:36): pid=6061 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.37" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 103.739053][ T6058] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 103.750697][ T5895] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.772833][ T6061] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 103.798255][ T28] audit: type=1800 audit(1766241004.285:37): pid=6061 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.37" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 103.801606][ T6061] EXT4-fs (loop2): This should not happen!! Data will be lost [ 103.801606][ T6061] [ 103.828617][ T6061] EXT4-fs (loop2): Total free blocks count 0 [ 103.834675][ T6061] EXT4-fs (loop2): Free/Dirty block details [ 103.849648][ T1114] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.856950][ T1114] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.865601][ T6061] EXT4-fs (loop2): free_blocks=4096 [ 103.875761][ T6061] EXT4-fs (loop2): dirty_blocks=16 [ 103.895648][ T6061] EXT4-fs (loop2): Block reservation details [ 103.902309][ T6061] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 103.915369][ T1114] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.916052][ T6068] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 103.922606][ T1114] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.075532][ T6070] loop2: detected capacity change from 0 to 2048 [ 104.082895][ T5885] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.115995][ T5895] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 104.132910][ T6070] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 104.159454][ T6069] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 104.171825][ T28] audit: type=1800 audit(1766241004.695:38): pid=6070 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.38" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 104.175488][ T6070] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 104.207941][ T6070] EXT4-fs (loop2): This should not happen!! Data will be lost [ 104.207941][ T6070] [ 104.217776][ T6070] EXT4-fs (loop2): Total free blocks count 0 [ 104.223916][ T6070] EXT4-fs (loop2): Free/Dirty block details [ 104.229944][ T6070] EXT4-fs (loop2): free_blocks=4096 [ 104.235276][ T6070] EXT4-fs (loop2): dirty_blocks=16 [ 104.241541][ T6070] EXT4-fs (loop2): Block reservation details [ 104.248615][ T6070] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 104.254987][ T28] audit: type=1800 audit(1766241004.705:39): pid=6070 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.38" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 104.278313][ T6074] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 104.313974][ T5885] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.353220][ T1112] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.360463][ T1112] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.413979][ T5886] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.471348][ T1146] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.478654][ T1146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.508778][ T6077] loop2: detected capacity change from 0 to 2048 [ 104.569233][ T6077] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 104.594933][ T5886] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.604408][ T6076] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 104.646032][ T6077] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 104.658657][ T6077] EXT4-fs (loop2): This should not happen!! Data will be lost [ 104.658657][ T6077] [ 104.659295][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.668458][ T6077] EXT4-fs (loop2): Total free blocks count 0 [ 104.675600][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.681522][ T6077] EXT4-fs (loop2): Free/Dirty block details [ 104.694849][ T6077] EXT4-fs (loop2): free_blocks=4096 [ 104.702837][ T6077] EXT4-fs (loop2): dirty_blocks=16 [ 104.709236][ T6077] EXT4-fs (loop2): Block reservation details [ 104.735291][ T6077] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 104.766191][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.773435][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.783321][ T6077] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 2 with error 28 [ 104.876356][ T5895] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.035451][ T6084] loop2: detected capacity change from 0 to 2048 [ 105.060583][ T5895] veth0_vlan: entered promiscuous mode [ 105.103928][ T5895] veth1_vlan: entered promiscuous mode [ 105.114479][ T6084] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 105.141749][ T6083] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1215: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 105.164173][ T5895] veth0_macvtap: entered promiscuous mode [ 105.240536][ T5895] veth1_macvtap: entered promiscuous mode [ 105.272223][ T6084] ------------[ cut here ]------------ [ 105.278270][ T6084] WARNING: CPU: 0 PID: 6084 at fs/ext4/inode.c:3388 ext4_iomap_begin+0x95f/0xad0 [ 105.287726][ T6084] Modules linked in: [ 105.291704][ T6084] CPU: 0 PID: 6084 Comm: syz.2.40 Not tainted syzkaller #0 [ 105.299059][ T6084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 105.310551][ T6084] RIP: 0010:ext4_iomap_begin+0x95f/0xad0 [ 105.316263][ T6084] Code: 3b 84 24 00 01 00 00 75 6d 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b 2e 55 ff e9 77 ff ff ff e8 91 2e 55 ff <0f> 0b 41 be de ff ff ff 49 bf 00 00 00 00 00 fc ff df eb 88 89 d9 [ 105.336782][ T6084] RSP: 0000:ffffc90003a07640 EFLAGS: 00010293 [ 105.343072][ T6084] RAX: ffffffff8230622f RBX: ffff88807251978a RCX: ffff88802a3bbc00 [ 105.345597][ T5895] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 105.351129][ T6084] RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000 [ 105.351167][ T6084] RBP: ffffc90003a07790 R08: ffff888072519457 R09: 1ffff1100e4a328a [ 105.351183][ T6084] R10: dffffc0000000000 R11: ffffed100e4a328b R12: 00000000000000d4 [ 105.351198][ T6084] R13: 1ffff1100e4a32f1 R14: 000000000000000b R15: 0000000000000000 [ 105.351212][ T6084] FS: 00007fe3cb91d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 105.351229][ T6084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.351243][ T6084] CR2: 00002000000000f4 CR3: 0000000060dd3000 CR4: 00000000003506f0 [ 105.351262][ T6084] Call Trace: [ 105.351270][ T6084] [ 105.351293][ T6084] ? invalidate_mapping_pages+0x30/0x30 [ 105.351332][ T6084] ? ext4_alloc_da_blocks+0x240/0x240 [ 105.351372][ T6084] ? ext4_alloc_da_blocks+0x240/0x240 [ 105.442367][ T6084] iomap_iter+0x6b1/0xec0 [ 105.446742][ T6084] ? blk_start_plug+0x6e/0x1a0 [ 105.449057][ T5895] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 105.451680][ T6084] __iomap_dio_rw+0xb9c/0x1c40 [ 105.466259][ T6084] ? iomap_dio_deferred_complete+0x20/0x20 [ 105.466607][ T5895] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.472213][ T6084] ? __might_sleep+0xe0/0xe0 [ 105.472245][ T6084] ? inode_needs_update_time+0x3ef/0x4a0 [ 105.472279][ T6084] ? ext4_fc_replay_link_internal+0x280/0x280 [ 105.472311][ T6084] ? ext4_journal_check_start+0x178/0x250 [ 105.501828][ T6084] iomap_dio_rw+0x45/0xa0 [ 105.506228][ T6084] ext4_file_write_iter+0x13ff/0x1870 [ 105.511782][ T6084] ? ext4_file_read_iter+0x670/0x670 [ 105.517363][ T6084] vfs_write+0x43b/0x940 [ 105.521681][ T6084] ? file_end_write+0x250/0x250 [ 105.526606][ T6084] ? __fget_files+0x44a/0x4d0 [ 105.531615][ T6084] ? __fdget+0x180/0x210 [ 105.535924][ T6084] ? __x64_sys_pwrite64+0xf0/0x220 [ 105.541227][ T6084] __x64_sys_pwrite64+0x195/0x220 [ 105.546330][ T6084] ? ksys_pwrite64+0x1c0/0x1c0 [ 105.551306][ T6084] ? lockdep_hardirqs_on+0x98/0x150 [ 105.556566][ T6084] do_syscall_64+0x55/0xb0 [ 105.561107][ T6084] ? clear_bhb_loop+0x40/0x90 [ 105.565854][ T6084] ? clear_bhb_loop+0x40/0x90 [ 105.568238][ T5895] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 105.570621][ T6084] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 105.586404][ T5895] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 105.586985][ T6084] RIP: 0033:0x7fe3ca98f749 [ 105.587019][ T6084] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 105.587037][ T6084] RSP: 002b:00007fe3cb91d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 105.587063][ T6084] RAX: ffffffffffffffda RBX: 00007fe3cabe5fa0 RCX: 00007fe3ca98f749 [ 105.587079][ T6084] RDX: 00000000fffffd55 RSI: 0000200000000280 RDI: 0000000000000004 [ 105.587093][ T6084] RBP: 00007fe3caa13f91 R08: 0000000000000000 R09: 0000000000000000 [ 105.587106][ T6084] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000 [ 105.587118][ T6084] R13: 00007fe3cabe6038 R14: 00007fe3cabe5fa0 R15: 00007fff79a8eaf8 [ 105.587149][ T6084] [ 105.611937][ T5895] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.621571][ T6084] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 105.621586][ T6084] CPU: 0 PID: 6084 Comm: syz.2.40 Not tainted syzkaller #0 [ 105.621606][ T6084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 105.621620][ T6084] Call Trace: [ 105.621628][ T6084] [ 105.621636][ T6084] dump_stack_lvl+0x16c/0x230 [ 105.621680][ T6084] ? show_regs_print_info+0x20/0x20 [ 105.621793][ T6084] ? load_image+0x3b0/0x3b0 [ 105.621845][ T6084] panic+0x2c0/0x710 [ 105.621881][ T6084] ? bpf_jit_dump+0xd0/0xd0 [ 105.621929][ T6084] __warn+0x2e0/0x470 [ 105.621955][ T6084] ? ext4_iomap_begin+0x95f/0xad0 [ 105.621986][ T6084] ? ext4_iomap_begin+0x95f/0xad0 [ 105.622013][ T6084] report_bug+0x2be/0x4f0 [ 105.622036][ T6084] ? ext4_iomap_begin+0x95f/0xad0 [ 105.622065][ T6084] ? ext4_iomap_begin+0x95f/0xad0 [ 105.622093][ T6084] ? ext4_iomap_begin+0x961/0xad0 [ 105.622120][ T6084] handle_bug+0xcf/0x120 [ 105.622141][ T6084] exc_invalid_op+0x1a/0x50 [ 105.622163][ T6084] asm_exc_invalid_op+0x1a/0x20 [ 105.622189][ T6084] RIP: 0010:ext4_iomap_begin+0x95f/0xad0 [ 105.622218][ T6084] Code: 3b 84 24 00 01 00 00 75 6d 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b 2e 55 ff e9 77 ff ff ff e8 91 2e 55 ff <0f> 0b 41 be de ff ff ff 49 bf 00 00 00 00 00 fc ff df eb 88 89 d9 [ 105.622236][ T6084] RSP: 0000:ffffc90003a07640 EFLAGS: 00010293 [ 105.622259][ T6084] RAX: ffffffff8230622f RBX: ffff88807251978a RCX: ffff88802a3bbc00 [ 105.622276][ T6084] RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000 [ 105.622288][ T6084] RBP: ffffc90003a07790 R08: ffff888072519457 R09: 1ffff1100e4a328a [ 105.622304][ T6084] R10: dffffc0000000000 R11: ffffed100e4a328b R12: 00000000000000d4 [ 105.622320][ T6084] R13: 1ffff1100e4a32f1 R14: 000000000000000b R15: 0000000000000000 [ 105.622341][ T6084] ? ext4_iomap_begin+0x95f/0xad0 [ 105.622378][ T6084] ? invalidate_mapping_pages+0x30/0x30 [ 105.622417][ T6084] ? ext4_alloc_da_blocks+0x240/0x240 [ 105.622458][ T6084] ? ext4_alloc_da_blocks+0x240/0x240 [ 105.622486][ T6084] iomap_iter+0x6b1/0xec0 [ 105.622516][ T6084] ? blk_start_plug+0x6e/0x1a0 [ 105.622543][ T6084] __iomap_dio_rw+0xb9c/0x1c40 [ 105.622597][ T6084] ? iomap_dio_deferred_complete+0x20/0x20 [ 105.622645][ T6084] ? __might_sleep+0xe0/0xe0 [ 105.622674][ T6084] ? inode_needs_update_time+0x3ef/0x4a0 [ 105.622724][ T6084] ? ext4_fc_replay_link_internal+0x280/0x280 [ 105.622762][ T6084] ? ext4_journal_check_start+0x178/0x250 [ 105.622797][ T6084] iomap_dio_rw+0x45/0xa0 [ 105.622831][ T6084] ext4_file_write_iter+0x13ff/0x1870 [ 105.622880][ T6084] ? ext4_file_read_iter+0x670/0x670 [ 105.622919][ T6084] vfs_write+0x43b/0x940 [ 105.622954][ T6084] ? file_end_write+0x250/0x250 [ 105.622989][ T6084] ? __fget_files+0x44a/0x4d0 [ 105.623027][ T6084] ? __fdget+0x180/0x210 [ 105.623052][ T6084] ? __x64_sys_pwrite64+0xf0/0x220 [ 105.623084][ T6084] __x64_sys_pwrite64+0x195/0x220 [ 105.623118][ T6084] ? ksys_pwrite64+0x1c0/0x1c0 [ 105.623152][ T6084] ? lockdep_hardirqs_on+0x98/0x150 [ 105.623182][ T6084] do_syscall_64+0x55/0xb0 [ 105.623207][ T6084] ? clear_bhb_loop+0x40/0x90 [ 105.623232][ T6084] ? clear_bhb_loop+0x40/0x90 [ 105.623260][ T6084] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 105.623285][ T6084] RIP: 0033:0x7fe3ca98f749 [ 105.623305][ T6084] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 105.623322][ T6084] RSP: 002b:00007fe3cb91d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 105.623344][ T6084] RAX: ffffffffffffffda RBX: 00007fe3cabe5fa0 RCX: 00007fe3ca98f749 [ 105.623360][ T6084] RDX: 00000000fffffd55 RSI: 0000200000000280 RDI: 0000000000000004 [ 105.623374][ T6084] RBP: 00007fe3caa13f91 R08: 0000000000000000 R09: 0000000000000000 [ 105.623405][ T6084] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000 [ 105.623419][ T6084] R13: 00007fe3cabe6038 R14: 00007fe3cabe5fa0 R15: 00007fff79a8eaf8 [ 105.623449][ T6084] [ 105.630118][ T6084] Kernel Offset: disabled