Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts. 2026/08/20 08:39:14 parsed 1 programs 2026/08/20 08:39:14 serving rpc on tcp://39125 [ 92.248190][ T9] cfg80211: failed to load regulatory.db [ 92.618281][ T5629] cgroup: Unknown subsys name 'net' [ 92.728564][ T5629] cgroup: Unknown subsys name 'cpuset' [ 92.738853][ T5629] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 94.443841][ T5629] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.747396][ T5641] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 98.298745][ T5652] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.308085][ T5652] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.316863][ T5652] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.327510][ T5652] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.337194][ T5652] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.933278][ T5676] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.934280][ T5676] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.936081][ T5676] bridge_slave_0: entered allmulticast mode [ 99.943987][ T5676] bridge_slave_0: entered promiscuous mode [ 99.961548][ T5676] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.961831][ T5676] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.963274][ T5676] bridge_slave_1: entered allmulticast mode [ 99.976956][ T5676] bridge_slave_1: entered promiscuous mode [ 100.011983][ T5676] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.022771][ T5676] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.058441][ T5676] team0: Port device team_slave_0 added [ 100.065327][ T5676] team0: Port device team_slave_1 added [ 100.096207][ T5676] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.096259][ T5676] 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 1532 would solve the problem. [ 100.096287][ T5676] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.106389][ T5676] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.106443][ T5676] 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 1532 would solve the problem. [ 100.106524][ T5676] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.208908][ T5676] hsr_slave_0: entered promiscuous mode [ 100.214251][ T5676] hsr_slave_1: entered promiscuous mode [ 100.385796][ T5676] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.399853][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 100.404038][ T5676] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.417637][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 100.423955][ T5676] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.436171][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 100.439563][ T5676] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.456879][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 100.546666][ T5676] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.571436][ T5676] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.587275][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.587676][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.613245][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.613506][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.003765][ T5676] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.062855][ T5676] veth0_vlan: entered promiscuous mode [ 101.075961][ T5676] veth1_vlan: entered promiscuous mode [ 101.109771][ T5676] veth0_macvtap: entered promiscuous mode [ 101.118747][ T5676] veth1_macvtap: entered promiscuous mode [ 101.140285][ T5676] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.155317][ T5676] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.188492][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.245665][ T83] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.245742][ T83] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.245798][ T83] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.373668][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.451790][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.532952][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.618750][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.876377][ T83] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.876771][ T83] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.926160][ T83] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.936463][ T83] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/08/20 08:39:29 executed programs: 0 [ 103.571926][ T4933] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.579298][ T4933] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.583079][ T4933] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.598566][ T4933] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.606077][ T4933] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.138596][ T5748] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.141429][ T5748] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.142089][ T5748] bridge_slave_0: entered allmulticast mode [ 104.147806][ T5748] bridge_slave_0: entered promiscuous mode [ 104.187966][ T5748] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.188233][ T5748] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.188665][ T5748] bridge_slave_1: entered allmulticast mode [ 104.196714][ T5748] bridge_slave_1: entered promiscuous mode [ 104.257228][ T5748] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.269387][ T12] bridge_slave_1: left allmulticast mode [ 104.269461][ T12] bridge_slave_1: left promiscuous mode [ 104.274807][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.291709][ T12] bridge_slave_0: left allmulticast mode [ 104.291776][ T12] bridge_slave_0: left promiscuous mode [ 104.292605][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.449538][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.468436][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.479137][ T12] bond0 (unregistering): Released all slaves [ 104.490928][ T5748] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.549651][ T5748] team0: Port device team_slave_0 added [ 104.560127][ T5748] team0: Port device team_slave_1 added [ 104.583695][ T12] hsr_slave_0: left promiscuous mode [ 104.589615][ T12] hsr_slave_1: left promiscuous mode [ 104.592462][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.592569][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.607661][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.607733][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.629971][ T12] veth1_macvtap: left promiscuous mode [ 104.630066][ T12] veth0_macvtap: left promiscuous mode [ 104.630412][ T12] veth1_vlan: left promiscuous mode [ 104.630663][ T12] veth0_vlan: left promiscuous mode [ 104.858921][ T12] team0 (unregistering): Port device team_slave_1 removed [ 104.880605][ T12] team0 (unregistering): Port device team_slave_0 removed [ 105.024321][ T5748] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.024361][ T5748] 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 1532 would solve the problem. [ 105.024407][ T5748] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.033354][ T5748] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.033408][ T5748] 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 1532 would solve the problem. [ 105.033476][ T5748] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.161815][ T5748] hsr_slave_0: entered promiscuous mode [ 105.168149][ T5748] hsr_slave_1: entered promiscuous mode [ 105.696497][ T4933] Bluetooth: hci0: command tx timeout [ 105.880557][ T5278] 8021q: adding VLAN 0 to HW filter on device eth1 [ 106.346941][ T5748] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.368763][ T5748] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 106.377640][ T5748] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.390739][ T5748] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 106.436826][ T5748] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.461250][ T5748] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 106.470784][ T5748] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.482586][ T5748] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 106.719763][ T5748] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.741153][ T5748] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.754079][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.754341][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.775245][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.775790][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.155241][ T5748] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.201871][ T5748] veth0_vlan: entered promiscuous mode [ 107.214304][ T5748] veth1_vlan: entered promiscuous mode [ 107.251097][ T5748] veth0_macvtap: entered promiscuous mode [ 107.259658][ T5748] veth1_macvtap: entered promiscuous mode [ 107.279445][ T5748] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.289033][ T5748] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.345709][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.345780][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.347764][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.347885][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.407574][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.407627][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.449056][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.457224][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.561493][ T5810] loop0: detected capacity change from 0 to 8192 [ 107.568921][ T5810] ======================================================= [ 107.568921][ T5810] WARNING: The mand mount option has been deprecated and [ 107.568921][ T5810] and is ignored by this kernel. Remove the mand [ 107.568921][ T5810] option from the mount to silence this warning. [ 107.568921][ T5810] ======================================================= [ 107.749254][ T5811] loop0: detected capacity change from 8192 to 0 [ 107.756865][ T5810] Buffer I/O error on dev loop0, logical block 33, lost sync page write [ 107.765757][ T4933] Bluetooth: hci0: command tx timeout [ 107.773064][ T5810] Buffer I/O error on dev loop0, logical block 1, lost sync page write [ 107.782061][ T5810] FAT-fs (loop0): FAT read failed (blocknr 1) [ 107.790080][ T5810] FAT-fs (loop0): unable to read inode block for updating (i_pos 1044) [ 107.799217][ T5810] FAT-fs (loop0): unable to read inode block for updating (i_pos 1044) [ 107.818801][ T5748] FAT-fs (loop0): Directory bread(block 65) failed [ 107.818867][ T5748] FAT-fs (loop0): Directory bread(block 66) failed [ 107.818939][ T5748] FAT-fs (loop0): Directory bread(block 67) failed [ 107.819038][ T5748] FAT-fs (loop0): Directory bread(block 68) failed [ 107.819093][ T5748] FAT-fs (loop0): Directory bread(block 69) failed [ 107.819177][ T5748] FAT-fs (loop0): Directory bread(block 70) failed [ 107.819251][ T5748] FAT-fs (loop0): Directory bread(block 71) failed [ 108.886461][ T49] Buffer I/O error on dev loop0, logical block 77, lost async page write [ 108.892615][ T49] Buffer I/O error on dev loop0, logical block 97, lost async page write [ 108.892718][ T49] Buffer I/O error on dev loop0, logical block 98, lost async page write [ 108.892773][ T49] Buffer I/O error on dev loop0, logical block 99, lost async page write [ 108.892827][ T49] Buffer I/O error on dev loop0, logical block 100, lost async page write [ 108.892885][ T49] Buffer I/O error on dev loop0, logical block 101, lost async page write [ 108.892940][ T49] Buffer I/O error on dev loop0, logical block 102, lost async page write [ 108.892999][ T49] Buffer I/O error on dev loop0, logical block 103, lost async page write [ 108.960567][ T5748] FAT-fs (loop0): unable to read inode block for updating (i_pos 1044) [ 109.000924][ T59] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/08/20 08:39:35 executed programs: 4 [ 109.073138][ T5652] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 109.082606][ T5652] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 109.093307][ T5652] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 109.102009][ T5652] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 109.107413][ T5652] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.609616][ T5813] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.610100][ T5813] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.611351][ T5813] bridge_slave_0: entered allmulticast mode [ 109.616998][ T5813] bridge_slave_0: entered promiscuous mode [ 109.629056][ T5813] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.629461][ T5813] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.629868][ T5813] bridge_slave_1: entered allmulticast mode [ 109.638842][ T5813] bridge_slave_1: entered promiscuous mode [ 109.685714][ T5813] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.696839][ T5813] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.727154][ T5813] team0: Port device team_slave_0 added [ 109.733815][ T5813] team0: Port device team_slave_1 added [ 109.760993][ T5813] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.761041][ T5813] 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 1532 would solve the problem. [ 109.761073][ T5813] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.768208][ T5813] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.768226][ T5813] 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 1532 would solve the problem. [ 109.768255][ T5813] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.867823][ T5813] hsr_slave_0: entered promiscuous mode [ 109.870779][ T5813] hsr_slave_1: entered promiscuous mode [ 109.873549][ T5813] debugfs: 'hsr0' already exists in 'hsr' [ 109.873658][ T5813] Cannot create hsr debugfs directory [ 110.048111][ T5813] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 110.060761][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 110.063709][ T5813] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 110.077899][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 110.080648][ T5813] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 110.093236][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 110.099964][ T5813] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 110.109617][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 110.140299][ T5813] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.140668][ T5813] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.142519][ T5813] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.142856][ T5813] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.222920][ T59] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.252112][ T5813] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.262318][ T83] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.270518][ T83] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.297574][ T59] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.321802][ T5813] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.332432][ T83] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.333362][ T83] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.361507][ T83] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.361768][ T83] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.398434][ T59] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.598010][ T59] bridge_slave_1: left allmulticast mode [ 110.598073][ T59] bridge_slave_1: left promiscuous mode [ 110.598605][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.625643][ T59] bridge_slave_0: left allmulticast mode [ 110.625697][ T59] bridge_slave_0: left promiscuous mode [ 110.626320][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.796513][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 110.811427][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 110.818087][ T59] bond0 (unregistering): Released all slaves [ 111.192882][ T59] hsr_slave_0: left promiscuous mode [ 111.202032][ T59] hsr_slave_1: left promiscuous mode [ 111.210870][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 111.210896][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 111.211357][ T4933] Bluetooth: hci0: command tx timeout [ 111.225770][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 111.225845][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 111.255946][ T59] veth1_macvtap: left promiscuous mode [ 111.256028][ T59] veth0_macvtap: left promiscuous mode [ 111.259356][ T59] veth1_vlan: left promiscuous mode [ 111.259551][ T59] veth0_vlan: left promiscuous mode [ 111.594459][ T59] team0 (unregistering): Port device team_slave_1 removed [ 111.617611][ T59] team0 (unregistering): Port device team_slave_0 removed [ 111.733490][ T5278] 8021q: adding VLAN 0 to HW filter on device eth1 [ 111.758765][ T5813] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.916139][ T5813] veth0_vlan: entered promiscuous mode [ 111.941214][ T5813] veth1_vlan: entered promiscuous mode [ 112.016948][ T5813] veth0_macvtap: entered promiscuous mode [ 112.032341][ T5813] veth1_macvtap: entered promiscuous mode [ 112.078087][ T5813] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 112.099730][ T5813] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 112.194664][ T59] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.194744][ T59] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.194852][ T59] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.194950][ T59] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.273234][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.273290][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.333445][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.333496][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.472496][ T5278] 8021q: adding VLAN 0 to HW filter on device eth2 [ 112.531745][ T5876] loop1: detected capacity change from 0 to 8192 [ 112.669210][ T5879] loop1: detected capacity change from 8192 to 0 [ 112.683670][ T5876] FAT-fs (loop1): unable to read inode block for updating (i_pos 1044) [ 112.683920][ T5876] FAT-fs (loop1): unable to read inode block for updating (i_pos 1044) [ 112.722087][ T5813] FAT-fs (loop1): Directory bread(block 65) failed [ 112.722164][ T5813] FAT-fs (loop1): Directory bread(block 66) failed [ 112.722195][ T5813] FAT-fs (loop1): Directory bread(block 67) failed [ 112.722298][ T5813] FAT-fs (loop1): Directory bread(block 68) failed [ 112.722391][ T5813] FAT-fs (loop1): Directory bread(block 69) failed [ 112.722479][ T5813] FAT-fs (loop1): Directory bread(block 70) failed [ 112.722559][ T5813] FAT-fs (loop1): Directory bread(block 71) failed [ 113.080101][ T5278] 8021q: adding VLAN 0 to HW filter on device eth3 [ 113.270653][ T1011] buffer_io_error: 3 callbacks suppressed [ 113.270724][ T1011] Buffer I/O error on dev loop1, logical block 77, lost async page write [ 113.270754][ T1011] Buffer I/O error on dev loop1, logical block 97, lost async page write [ 113.270844][ T1011] Buffer I/O error on dev loop1, logical block 98, lost async page write [ 113.270908][ T1011] Buffer I/O error on dev loop1, logical block 99, lost async page write [ 113.270951][ T1011] Buffer I/O error on dev loop1, logical block 100, lost async page write [ 113.271018][ T1011] Buffer I/O error on dev loop1, logical block 101, lost async page write [ 113.271075][ T1011] Buffer I/O error on dev loop1, logical block 102, lost async page write [ 113.271130][ T1011] Buffer I/O error on dev loop1, logical block 103, lost async page write [ 113.287517][ T5813] FAT-fs (loop1): unable to read inode block for updating (i_pos 1044) [ 113.288728][ T5813] FAT-fs (loop1): unable to read boot sector to mark fs as dirty [ 113.470781][ T12] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.545949][ T5652] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 113.558345][ T5652] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 113.566460][ T5652] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 113.576906][ T5652] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 113.586870][ T5652] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 113.726795][ T12] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.805739][ T5278] 8021q: adding VLAN 0 to HW filter on device eth4 [ 113.958154][ T12] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.040773][ T12] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.312420][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.312651][ T5904] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.314106][ T5904] bridge_slave_0: entered allmulticast mode [ 114.321928][ T5904] bridge_slave_0: entered promiscuous mode [ 114.331127][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.331541][ T5904] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.331942][ T5904] bridge_slave_1: entered allmulticast mode [ 114.341040][ T5904] bridge_slave_1: entered promiscuous mode [ 114.418590][ T5904] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 114.443833][ T5904] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 114.493932][ T12] bridge_slave_1: left allmulticast mode [ 114.493988][ T12] bridge_slave_1: left promiscuous mode [ 114.496735][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.517219][ T12] bridge_slave_0: left allmulticast mode [ 114.517271][ T12] bridge_slave_0: left promiscuous mode [ 114.517935][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.673600][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 114.690073][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 114.700164][ T12] bond0 (unregistering): Released all slaves [ 114.713253][ T5904] team0: Port device team_slave_0 added [ 114.720379][ T5904] team0: Port device team_slave_1 added [ 114.773123][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 114.773167][ T5904] 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 1532 would solve the problem. [ 114.773443][ T5904] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 114.787943][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 114.787994][ T5904] 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 1532 would solve the problem. [ 114.788067][ T5904] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 114.915977][ T5904] hsr_slave_0: entered promiscuous mode [ 114.923691][ T5904] hsr_slave_1: entered promiscuous mode [ 115.096854][ T12] hsr_slave_0: left promiscuous mode [ 115.102469][ T12] hsr_slave_1: left promiscuous mode [ 115.108821][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 115.108862][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 115.122286][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 115.122361][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 115.144084][ T12] veth1_macvtap: left promiscuous mode [ 115.150783][ T12] veth0_macvtap: left promiscuous mode [ 115.150963][ T12] veth1_vlan: left promiscuous mode [ 115.151063][ T12] veth0_vlan: left promiscuous mode [ 115.483851][ T12] team0 (unregistering): Port device team_slave_1 removed [ 115.501128][ T12] team0 (unregistering): Port device team_slave_0 removed [ 115.604611][ T4933] Bluetooth: hci0: command tx timeout [ 115.680179][ T5278] 8021q: adding VLAN 0 to HW filter on device eth5 [ 115.972650][ T5904] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 115.983178][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 115.989756][ T5904] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 116.005359][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 116.013839][ T5904] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 116.026536][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 116.035937][ T5904] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 116.047321][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 116.186238][ T5904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.211671][ T5904] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.224098][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.224339][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.251827][ T59] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.252091][ T59] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.513768][ T5278] 8021q: adding VLAN 0 to HW filter on device eth6 [ 116.812016][ T5904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 116.881521][ T5904] veth0_vlan: entered promiscuous mode [ 116.898322][ T5904] veth1_vlan: entered promiscuous mode [ 116.940040][ T5904] veth0_macvtap: entered promiscuous mode [ 116.951051][ T5904] veth1_macvtap: entered promiscuous mode [ 116.980266][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 116.994369][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 117.106127][ T59] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.116405][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.116462][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.182573][ T1011] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.182628][ T1011] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.207698][ T59] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.214152][ T59] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.214283][ T59] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/08/20 08:39:43 executed programs: 8 [ 117.253153][ T5278] 8021q: adding VLAN 0 to HW filter on device eth7 [ 117.400350][ T5992] loop2: detected capacity change from 0 to 8192 [ 117.611635][ T5999] loop2: detected capacity change from 8192 to 0 [ 117.618993][ T5992] Buffer I/O error on dev loop2, logical block 1, lost sync page write [ 117.619032][ T5992] FAT-fs (loop2): FAT read failed (blocknr 1) [ 117.619508][ T5992] FAT-fs (loop2): unable to read inode block for updating (i_pos 1044) [ 117.619594][ T5992] FAT-fs (loop2): unable to read inode block for updating (i_pos 1044) [ 117.680601][ T5904] FAT-fs (loop2): Directory bread(block 65) failed [ 117.680671][ T5904] FAT-fs (loop2): Directory bread(block 66) failed [ 117.688060][ T4933] Bluetooth: hci0: command tx timeout [ 117.699532][ T5904] FAT-fs (loop2): Directory bread(block 67) failed [ 117.699640][ T5904] FAT-fs (loop2): Directory bread(block 68) failed [ 117.699709][ T5904] FAT-fs (loop2): Directory bread(block 69) failed [ 117.699784][ T5904] FAT-fs (loop2): Directory bread(block 70) failed [ 117.699869][ T5904] FAT-fs (loop2): Directory bread(block 71) failed [ 117.899581][ T5278] 8021q: adding VLAN 0 to HW filter on device eth8 [ 118.850974][ T12] Buffer I/O error on dev loop2, logical block 77, lost async page write [ 118.851039][ T12] Buffer I/O error on dev loop2, logical block 97, lost async page write [ 118.851551][ T12] Buffer I/O error on dev loop2, logical block 98, lost async page write [ 118.851632][ T12] Buffer I/O error on dev loop2, logical block 99, lost async page write [ 118.851686][ T12] Buffer I/O error on dev loop2, logical block 100, lost async page write [ 118.851745][ T12] Buffer I/O error on dev loop2, logical block 101, lost async page write [ 118.851801][ T12] Buffer I/O error on dev loop2, logical block 102, lost async page write [ 118.851853][ T12] Buffer I/O error on dev loop2, logical block 103, lost async page write [ 118.863423][ T5904] Buffer I/O error on dev loop2, logical block 0, lost sync page write [ 118.982986][ T59] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.035728][ T5652] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 119.044391][ T5652] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 119.051938][ T5652] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 119.060466][ T5652] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 119.061142][ T5652] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 119.572257][ T6013] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.572648][ T6013] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.573815][ T6013] bridge_slave_0: entered allmulticast mode [ 119.581723][ T6013] bridge_slave_0: entered promiscuous mode [ 119.598276][ T6013] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.598574][ T6013] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.599072][ T6013] bridge_slave_1: entered allmulticast mode [ 119.606912][ T6013] bridge_slave_1: entered promiscuous mode [ 119.647647][ T6013] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.656872][ T6013] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.695575][ T6013] team0: Port device team_slave_0 added [ 119.707377][ T6013] team0: Port device team_slave_1 added [ 119.735018][ T6013] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.735066][ T6013] 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 1532 would solve the problem. [ 119.735093][ T6013] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.741663][ T6013] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.741715][ T6013] 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 1532 would solve the problem. [ 119.741791][ T6013] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.846684][ T6013] hsr_slave_0: entered promiscuous mode [ 119.852710][ T6013] hsr_slave_1: entered promiscuous mode [ 119.858399][ T6013] debugfs: 'hsr0' already exists in 'hsr' [ 119.858438][ T6013] Cannot create hsr debugfs directory [ 120.029106][ T6013] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 120.038881][ T6013] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 120.047870][ T6013] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 120.058319][ T6013] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 120.061244][ T6013] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 120.078756][ T6013] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 120.086347][ T6013] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 120.098410][ T6013] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 120.125374][ T59] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 120.192684][ T59] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 120.237333][ T6013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 120.279586][ T59] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 120.302128][ T6013] 8021q: adding VLAN 0 to HW filter on device team0 [ 120.313410][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.313665][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.332648][ T1011] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.332899][ T1011] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.488238][ T59] bridge_slave_1: left allmulticast mode [ 120.494089][ T59] bridge_slave_1: left promiscuous mode [ 120.501470][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.512613][ T59] bridge_slave_0: left allmulticast mode [ 120.519196][ T59] bridge_slave_0: left promiscuous mode [ 120.525889][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.695977][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 120.712152][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 120.722746][ T59] bond0 (unregistering): Released all slaves [ 121.077129][ T59] hsr_slave_0: left promiscuous mode [ 121.082741][ T59] hsr_slave_1: left promiscuous mode [ 121.089550][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 121.089598][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 121.109447][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 121.109495][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 121.127218][ T4933] Bluetooth: hci0: command tx timeout [ 121.138772][ T59] veth1_macvtap: left promiscuous mode [ 121.138831][ T59] veth0_macvtap: left promiscuous mode [ 121.138961][ T59] veth1_vlan: left promiscuous mode [ 121.139032][ T59] veth0_vlan: left promiscuous mode [ 121.506310][ T59] team0 (unregistering): Port device team_slave_1 removed [ 121.523393][ T59] team0 (unregistering): Port device team_slave_0 removed [ 121.647575][ T5278] 8021q: adding VLAN 0 to HW filter on device eth9 [ 121.847950][ T6013] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 121.956526][ T6013] veth0_vlan: entered promiscuous mode [ 121.970946][ T6013] veth1_vlan: entered promiscuous mode [ 122.014894][ T6013] veth0_macvtap: entered promiscuous mode [ 122.027167][ T6013] veth1_macvtap: entered promiscuous mode [ 122.059511][ T6013] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 122.071860][ T6013] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 122.189901][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.189953][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.236485][ T1011] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.248066][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.248116][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.265767][ T12] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.266234][ T12] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.266612][ T12] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/08/20 08:39:48 executed programs: 11 [ 122.452597][ T6084] loop3: detected capacity change from 0 to 8192 [ 122.574111][ T5278] 8021q: adding VLAN 0 to HW filter on device eth10 [ 122.583324][ T6087] loop3: detected capacity change from 8192 to 0 [ 122.590501][ ** replaying previous printk message ** [ 122.590501][ T6084] Buffer I/O error on dev loop3, logical block 1, lost sync page write [ 122.591207][ T6084] ------------[ cut here ]------------ [ 122.591236][ T6084] !buffer_uptodate(bh) [ 122.591260][ T6084] WARNING: fs/buffer.c:991 at mark_buffer_dirty+0x299/0x410, CPU#0: syz.3.26/6084 [ 122.623978][ T6084] Modules linked in: [ 122.628571][ T6084] CPU: 0 UID: 0 PID: 6084 Comm: syz.3.26 Not tainted syzkaller #0 PREEMPT(full) [ 122.638143][ T6084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 122.648622][ T6084] RIP: 0010:mark_buffer_dirty+0x299/0x410 [ 122.654410][ T6084] Code: 4c 89 f7 e8 09 0a d8 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 74 52 fb ff e8 4f 40 68 ff eb 8c e8 48 40 68 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 3a 40 68 ff 90 0f 0b 90 e9 cf fd ff ff [ 122.674284][ T6084] RSP: 0018:ffffc900034bf2d0 EFLAGS: 00010293 [ 122.680458][ T6084] RAX: ffffffff825f7f28 RBX: ffff88806f478d20 RCX: ffff88802923ddc0 [ 122.688571][ T6084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 122.696640][ T6084] RBP: dffffc0000000001 R08: ffff88806f478d27 R09: 1ffff1100de8f1a4 [ 122.704826][ T6084] R10: dffffc0000000000 R11: ffffed100de8f1a5 R12: ffffffff8c288c60 [ 122.712857][ T6084] R13: ffff88807b29c248 R14: dffffc0000000000 R15: ffff888068550dd8 [ 122.720963][ T6084] FS: 00007f26fd5a96c0(0000) GS:ffff888124cda000(0000) knlGS:0000000000000000 [ 122.730862][ T6084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.737907][ T6084] CR2: 00007f458bcf9e9c CR3: 00000000757cc000 CR4: 00000000003526f0 [ 122.746568][ T6084] Call Trace: [ 122.749922][ T6084] [ 122.752895][ T6084] mmb_mark_buffer_dirty+0x2c/0x1f0 [ 122.758854][ T6084] fat_ent_write+0xb8/0x190 [ 122.763431][ T6084] fat_chain_add+0x409/0x8e0 [ 122.769065][ T6084] ? __pfx_fat_chain_add+0x10/0x10 [ 122.774857][ T6084] ? clean_bdev_aliases+0x62e/0x750 [ 122.780140][ T6084] ? fat_bmap+0x487/0x5a0 [ 122.785125][ T6084] fat_get_block+0x768/0xae0 [ 122.789795][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 122.795584][ T6084] ? do_raw_spin_unlock+0xf5/0x200 [ 122.800777][ T6084] ? _raw_spin_unlock+0x28/0x50 [ 122.806243][ T6084] ? create_empty_buffers+0x460/0x520 [ 122.811689][ T6084] __block_write_begin_int+0x6c2/0x1900 [ 122.818204][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 122.823962][ T6084] ? __pfx___block_write_begin_int+0x10/0x10 [ 122.830644][ T6084] cont_write_begin+0x71b/0xac0 [ 122.835824][ T6084] ? rcu_is_watching+0x16/0xb0 [ 122.841145][ T6084] ? __pfx_cont_write_begin+0x10/0x10 [ 122.847049][ T6084] ? folio_unlock+0x101/0x160 [ 122.851806][ T6084] fat_write_begin+0x7a/0x150 [ 122.856650][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 122.861840][ T6084] cont_write_begin+0x2d6/0xac0 [ 122.866849][ T6084] ? __pfx_cont_write_begin+0x10/0x10 [ 122.872278][ T6084] ? do_raw_spin_lock+0x12b/0x2f0 [ 122.877422][ T6084] ? reacquire_held_locks+0x117/0x1a0 [ 122.882855][ T6084] ? __mark_inode_dirty+0x705/0x13b0 [ 122.888366][ T6084] fat_write_begin+0x7a/0x150 [ 122.893113][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 122.898335][ T6084] generic_perform_write+0x2d5/0x8f0 [ 122.903693][ T6084] ? __pfx_generic_perform_write+0x10/0x10 [ 122.909665][ T6084] ? file_update_time_flags+0x3ab/0x440 [ 122.915331][ T6084] ? __generic_file_write_iter+0xf9/0x230 [ 122.921110][ T6084] ? generic_file_write_iter+0x9a/0x330 [ 122.926825][ T6084] generic_file_write_iter+0xae/0x330 [ 122.932268][ T6084] vfs_write+0x612/0xba0 [ 122.937136][ T6084] ? __pfx_vfs_write+0x10/0x10 [ 122.941985][ T6084] ? __fget_files+0x2a/0x420 [ 122.947044][ T6084] __x64_sys_pwrite64+0x196/0x220 [ 122.952215][ T6084] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 122.957907][ T6084] do_syscall_64+0x166/0x520 [ 122.962592][ T6084] ? trace_irq_disable+0x3b/0x140 [ 122.967895][ T6084] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.974066][ T6084] ? clear_bhb_loop+0x70/0xc0 [ 122.978833][ T6084] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.984814][ T6084] RIP: 0033:0x7f26fc79e0d9 [ 122.989294][ T6084] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 123.009033][ T6084] RSP: 002b:00007f26fd5a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 123.017604][ T6084] RAX: ffffffffffffffda RBX: 00007f26fca25fa0 RCX: 00007f26fc79e0d9 [ 123.025683][ T6084] RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000004 [ 123.033704][ T6084] RBP: 00007f26fc835024 R08: 0000000000000000 R09: 0000000000000000 [ 123.042287][ T6084] R10: 000000000000fecc R11: 0000000000000246 R12: 0000000000000000 [ 123.050898][ T6084] R13: 00007f26fca26038 R14: 00007f26fca25fa0 R15: 00007fffa0525388 [ 123.059021][ T6084] [ 123.062084][ T6084] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 123.069413][ T6084] CPU: 0 UID: 0 PID: 6084 Comm: syz.3.26 Not tainted syzkaller #0 PREEMPT(full) [ 123.078573][ T6084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 123.088712][ T6084] Call Trace: [ 123.092064][ T6084] [ 123.095047][ T6084] vpanic+0x56d/0xa60 [ 123.099097][ T6084] ? __pfx__printk+0x10/0x10 [ 123.103734][ T6084] ? __pfx_vpanic+0x10/0x10 [ 123.108288][ T6084] ? is_bpf_text_address+0x292/0x2b0 [ 123.113628][ T6084] ? is_bpf_text_address+0x26/0x2b0 [ 123.118878][ T6084] panic+0xc5/0xd0 [ 123.122653][ T6084] ? __pfx_panic+0x10/0x10 [ 123.127145][ T6084] __warn+0x315/0x4c0 [ 123.131177][ T6084] ? mark_buffer_dirty+0x299/0x410 [ 123.136339][ T6084] ? mark_buffer_dirty+0x299/0x410 [ 123.141494][ T6084] __report_bug+0x276/0x570 [ 123.146059][ T6084] ? mark_buffer_dirty+0x299/0x410 [ 123.151225][ T6084] ? __pfx___report_bug+0x10/0x10 [ 123.156303][ T6084] ? __wake_up_klogd+0xf0/0x130 [ 123.161208][ T6084] ? vprintk_emit+0x4ee/0x560 [ 123.165960][ T6084] ? __pfx_vprintk_emit+0x10/0x10 [ 123.171052][ T6084] ? mark_buffer_dirty+0x299/0x410 [ 123.176226][ T6084] report_bug+0x16b/0x220 [ 123.180626][ T6084] ? mark_buffer_dirty+0x299/0x410 [ 123.185785][ T6084] ? mark_buffer_dirty+0x29b/0x410 [ 123.190942][ T6084] handle_bug+0x9c/0x200 [ 123.195254][ T6084] exc_invalid_op+0x1a/0x50 [ 123.199821][ T6084] asm_exc_invalid_op+0x1a/0x20 [ 123.204709][ T6084] RIP: 0010:mark_buffer_dirty+0x299/0x410 [ 123.210481][ T6084] Code: 4c 89 f7 e8 09 0a d8 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 74 52 fb ff e8 4f 40 68 ff eb 8c e8 48 40 68 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 3a 40 68 ff 90 0f 0b 90 e9 cf fd ff ff [ 123.230127][ T6084] RSP: 0018:ffffc900034bf2d0 EFLAGS: 00010293 [ 123.236234][ T6084] RAX: ffffffff825f7f28 RBX: ffff88806f478d20 RCX: ffff88802923ddc0 [ 123.244245][ T6084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 123.252278][ T6084] RBP: dffffc0000000001 R08: ffff88806f478d27 R09: 1ffff1100de8f1a4 [ 123.260289][ T6084] R10: dffffc0000000000 R11: ffffed100de8f1a5 R12: ffffffff8c288c60 [ 123.268302][ T6084] R13: ffff88807b29c248 R14: dffffc0000000000 R15: ffff888068550dd8 [ 123.276334][ T6084] ? mark_buffer_dirty+0x298/0x410 [ 123.281505][ T6084] mmb_mark_buffer_dirty+0x2c/0x1f0 [ 123.286755][ T6084] fat_ent_write+0xb8/0x190 [ 123.291316][ T6084] fat_chain_add+0x409/0x8e0 [ 123.295957][ T6084] ? __pfx_fat_chain_add+0x10/0x10 [ 123.301099][ T6084] ? clean_bdev_aliases+0x62e/0x750 [ 123.306344][ T6084] ? fat_bmap+0x487/0x5a0 [ 123.310727][ T6084] fat_get_block+0x768/0xae0 [ 123.315394][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 123.320565][ T6084] ? do_raw_spin_unlock+0xf5/0x200 [ 123.325734][ T6084] ? _raw_spin_unlock+0x28/0x50 [ 123.330642][ T6084] ? create_empty_buffers+0x460/0x520 [ 123.336069][ T6084] __block_write_begin_int+0x6c2/0x1900 [ 123.341689][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 123.346861][ T6084] ? __pfx___block_write_begin_int+0x10/0x10 [ 123.352896][ T6084] cont_write_begin+0x71b/0xac0 [ 123.357812][ T6084] ? rcu_is_watching+0x16/0xb0 [ 123.362637][ T6084] ? __pfx_cont_write_begin+0x10/0x10 [ 123.368050][ T6084] ? folio_unlock+0x101/0x160 [ 123.372786][ T6084] fat_write_begin+0x7a/0x150 [ 123.377523][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 123.382684][ T6084] cont_write_begin+0x2d6/0xac0 [ 123.387604][ T6084] ? __pfx_cont_write_begin+0x10/0x10 [ 123.393025][ T6084] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.398111][ T6084] ? reacquire_held_locks+0x117/0x1a0 [ 123.403536][ T6084] ? __mark_inode_dirty+0x705/0x13b0 [ 123.408893][ T6084] fat_write_begin+0x7a/0x150 [ 123.413629][ T6084] ? __pfx_fat_get_block+0x10/0x10 [ 123.418790][ T6084] generic_perform_write+0x2d5/0x8f0 [ 123.424128][ T6084] ? __pfx_generic_perform_write+0x10/0x10 [ 123.429983][ T6084] ? file_update_time_flags+0x3ab/0x440 [ 123.435624][ T6084] ? __generic_file_write_iter+0xf9/0x230 [ 123.441401][ T6084] ? generic_file_write_iter+0x9a/0x330 [ 123.447025][ T6084] generic_file_write_iter+0xae/0x330 [ 123.452458][ T6084] vfs_write+0x612/0xba0 [ 123.456756][ T6084] ? __pfx_vfs_write+0x10/0x10 [ 123.461584][ T6084] ? __fget_files+0x2a/0x420 [ 123.466239][ T6084] __x64_sys_pwrite64+0x196/0x220 [ 123.471326][ T6084] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 123.476927][ T6084] do_syscall_64+0x166/0x520 [ 123.481592][ T6084] ? trace_irq_disable+0x3b/0x140 [ 123.486666][ T6084] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.492775][ T6084] ? clear_bhb_loop+0x70/0xc0 [ 123.497503][ T6084] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.503459][ T6084] RIP: 0033:0x7f26fc79e0d9 [ 123.507919][ T6084] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 123.527576][ T6084] RSP: 002b:00007f26fd5a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 123.536049][ T6084] RAX: ffffffffffffffda RBX: 00007f26fca25fa0 RCX: 00007f26fc79e0d9 [ 123.544084][ T6084] RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000004 [ 123.552100][ T6084] RBP: 00007f26fc835024 R08: 0000000000000000 R09: 0000000000000000 [ 123.560117][ T6084] R10: 000000000000fecc R11: 0000000000000246 R12: 0000000000000000 [ 123.568136][ T6084] R13: 00007f26fca26038 R14: 00007f26fca25fa0 R15: 00007fffa0525388 [ 123.576166][ T6084] [ 123.579829][ T6084] Kernel Offset: disabled [ 123.584180][ T6084] Rebooting in 86400 seconds..