syzkaller login: [ 91.993970][ T9] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:34273' (ED25519) to the list of known hosts.
2025/08/06 20:42:07 ignoring optional flag "sandboxArg"="0"
2025/08/06 20:42:09 parsed 1 programs
[ 121.630332][ T5361] cgroup: Unknown subsys name 'net'
[ 121.715782][ T5361] cgroup: Unknown subsys name 'cpuset'
[ 121.721933][ T5361] cgroup: Unknown subsys name 'rlimit'
[ 123.618478][ T5361] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 128.550812][ T5382] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 130.470325][ T5431] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 130.474604][ T5431] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 130.478509][ T45] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 130.483873][ T45] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 130.487330][ T45] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 132.208778][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 132.219836][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 132.444773][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 132.469810][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 132.761365][ T5398] chnl_net:caif_netlink_parms(): no params data found
[ 133.298856][ T5398] bridge0: port 1(bridge_slave_0) entered blocking state
[ 133.312330][ T5398] bridge0: port 1(bridge_slave_0) entered disabled state
[ 133.325385][ T5398] bridge_slave_0: entered allmulticast mode
[ 133.342388][ T5398] bridge_slave_0: entered promiscuous mode
[ 133.364638][ T5398] bridge0: port 2(bridge_slave_1) entered blocking state
[ 133.367790][ T5398] bridge0: port 2(bridge_slave_1) entered disabled state
[ 133.381622][ T5398] bridge_slave_1: entered allmulticast mode
[ 133.386015][ T5398] bridge_slave_1: entered promiscuous mode
[ 133.475175][ T5398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 133.496747][ T5398] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 133.574259][ T5398] team0: Port device team_slave_0 added
[ 133.578960][ T5398] team0: Port device team_slave_1 added
[ 133.644886][ T5398] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 133.647939][ T5398] 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.
[ 133.698547][ T5398] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 133.722396][ T5398] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 133.725967][ T5398] 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.
[ 133.746103][ T5398] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 133.839862][ T5398] hsr_slave_0: entered promiscuous mode
[ 133.848644][ T5398] hsr_slave_1: entered promiscuous mode
[ 134.153272][ T5398] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 134.163197][ T5398] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 134.170824][ T5398] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 134.178299][ T5398] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 134.267232][ T5398] 8021q: adding VLAN 0 to HW filter on device bond0
[ 134.288819][ T5398] 8021q: adding VLAN 0 to HW filter on device team0
[ 134.300743][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 134.304191][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 134.326009][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 134.329000][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 134.520242][ T5398] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 134.561618][ T5398] veth0_vlan: entered promiscuous mode
[ 134.574870][ T5398] veth1_vlan: entered promiscuous mode
[ 134.606351][ T5398] veth0_macvtap: entered promiscuous mode
[ 134.613810][ T5398] veth1_macvtap: entered promiscuous mode
[ 134.630449][ T5398] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 134.645537][ T5398] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 134.659055][ T31] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 134.670878][ T31] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 134.686271][ T31] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 134.690252][ T31] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2025/08/06 20:42:24 executed programs: 0
[ 134.933695][ T4702] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 134.938104][ T4702] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 134.942043][ T4702] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 134.949860][ T4702] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 134.953360][ T4702] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 134.974798][ T45] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 134.978526][ T45] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 134.989522][ T45] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 135.002378][ T45] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 135.013093][ T45] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 135.075629][ T5398] syz-executor (5398) used greatest stack depth: 19064 bytes left
[ 135.088839][ T45] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 135.098055][ T45] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 135.112599][ T45] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 135.117857][ T45] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 135.122969][ T45] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 135.152494][ T4702] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 135.159774][ T4702] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 135.164403][ T4702] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 135.169038][ T4702] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 135.174498][ T4702] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 135.205886][ T4702] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 135.210403][ T4702] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 135.214417][ T4702] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 135.236382][ T5431] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 135.239726][ T5431] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[ 135.253954][ T45] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1
[ 135.267540][ T45] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9
[ 135.276954][ T45] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9
[ 135.282472][ T45] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4
[ 135.291831][ T45] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2
[ 135.776537][ T12] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 136.385019][ T12] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 137.023941][ T45] Bluetooth: hci0: command tx timeout
[ 137.060442][ T5487] chnl_net:caif_netlink_parms(): no params data found
[ 137.102401][ T45] Bluetooth: hci1: command tx timeout
[ 137.105644][ T12] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 137.182658][ T45] Bluetooth: hci2: command tx timeout
[ 137.266243][ T45] Bluetooth: hci4: command tx timeout
[ 137.269184][ T45] Bluetooth: hci3: command tx timeout
[ 137.342374][ T45] Bluetooth: hci5: command tx timeout
[ 137.475021][ T5487] bridge0: port 1(bridge_slave_0) entered blocking state
[ 137.478430][ T5487] bridge0: port 1(bridge_slave_0) entered disabled state
[ 137.481783][ T5487] bridge_slave_0: entered allmulticast mode
[ 137.488731][ T5487] bridge_slave_0: entered promiscuous mode
[ 137.549569][ T5487] bridge0: port 2(bridge_slave_1) entered blocking state
[ 137.554217][ T5487] bridge0: port 2(bridge_slave_1) entered disabled state
[ 137.557664][ T5487] bridge_slave_1: entered allmulticast mode
[ 137.561509][ T5487] bridge_slave_1: entered promiscuous mode
[ 137.761428][ T5487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 137.786401][ T5487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 137.830429][ T5498] chnl_net:caif_netlink_parms(): no params data found
[ 137.941802][ T5492] chnl_net:caif_netlink_parms(): no params data found
[ 137.967346][ T12] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 138.016794][ T5487] team0: Port device team_slave_0 added
[ 138.036524][ T5485] chnl_net:caif_netlink_parms(): no params data found
[ 138.053469][ T5494] chnl_net:caif_netlink_parms(): no params data found
[ 138.070275][ T5487] team0: Port device team_slave_1 added
[ 138.077743][ T1317] ieee802154 phy0 wpan0: encryption failed: -22
[ 138.080662][ T1317] ieee802154 phy1 wpan1: encryption failed: -22
[ 138.211785][ T5495] chnl_net:caif_netlink_parms(): no params data found
[ 138.278732][ T5487] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 138.281968][ T5487] 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.
[ 138.297114][ T5487] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 138.379825][ T5487] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 138.396014][ T5487] 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.
[ 138.410394][ T5487] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 138.467698][ T5498] bridge0: port 1(bridge_slave_0) entered blocking state
[ 138.472550][ T5498] bridge0: port 1(bridge_slave_0) entered disabled state
[ 138.479764][ T5498] bridge_slave_0: entered allmulticast mode
[ 138.487807][ T5498] bridge_slave_0: entered promiscuous mode
[ 138.549671][ T5498] bridge0: port 2(bridge_slave_1) entered blocking state
[ 138.553289][ T5498] bridge0: port 2(bridge_slave_1) entered disabled state
[ 138.556646][ T5498] bridge_slave_1: entered allmulticast mode
[ 138.561311][ T5498] bridge_slave_1: entered promiscuous mode
[ 138.826486][ T5498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 138.858067][ T5498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 138.904146][ T5492] bridge0: port 1(bridge_slave_0) entered blocking state
[ 138.907208][ T5492] bridge0: port 1(bridge_slave_0) entered disabled state
[ 138.910427][ T5492] bridge_slave_0: entered allmulticast mode
[ 138.935434][ T5492] bridge_slave_0: entered promiscuous mode
[ 138.939645][ T5492] bridge0: port 2(bridge_slave_1) entered blocking state
[ 138.952958][ T5492] bridge0: port 2(bridge_slave_1) entered disabled state
[ 138.965606][ T5492] bridge_slave_1: entered allmulticast mode
[ 138.974157][ T5492] bridge_slave_1: entered promiscuous mode
[ 138.987113][ T5485] bridge0: port 1(bridge_slave_0) entered blocking state
[ 138.990477][ T5485] bridge0: port 1(bridge_slave_0) entered disabled state
[ 139.006221][ T5485] bridge_slave_0: entered allmulticast mode
[ 139.014308][ T5485] bridge_slave_0: entered promiscuous mode
[ 139.028799][ T5485] bridge0: port 2(bridge_slave_1) entered blocking state
[ 139.043073][ T5485] bridge0: port 2(bridge_slave_1) entered disabled state
[ 139.046527][ T5485] bridge_slave_1: entered allmulticast mode
[ 139.050391][ T5485] bridge_slave_1: entered promiscuous mode
[ 139.101072][ T12] bridge_slave_1: left allmulticast mode
[ 139.106128][ T45] Bluetooth: hci0: command tx timeout
[ 139.109601][ T12] bridge_slave_1: left promiscuous mode
[ 139.122584][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 139.145146][ T12] bridge_slave_0: left allmulticast mode
[ 139.147679][ T12] bridge_slave_0: left promiscuous mode
[ 139.150364][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 139.182970][ T45] Bluetooth: hci1: command tx timeout
[ 139.263428][ T45] Bluetooth: hci2: command tx timeout
[ 139.350573][ T45] Bluetooth: hci3: command tx timeout
[ 139.357713][ T4702] Bluetooth: hci4: command tx timeout
[ 139.422370][ T45] Bluetooth: hci5: command tx timeout
[ 139.505938][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 139.516318][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 139.524122][ T12] bond0 (unregistering): Released all slaves
[ 139.541201][ T5487] hsr_slave_0: entered promiscuous mode
[ 139.548163][ T5487] hsr_slave_1: entered promiscuous mode
[ 139.551979][ T5487] debugfs: 'hsr0' already exists in 'hsr'
[ 139.563900][ T5487] Cannot create hsr debugfs directory
[ 139.566475][ T5494] bridge0: port 1(bridge_slave_0) entered blocking state
[ 139.569892][ T5494] bridge0: port 1(bridge_slave_0) entered disabled state
[ 139.576764][ T5494] bridge_slave_0: entered allmulticast mode
[ 139.598245][ T5494] bridge_slave_0: entered promiscuous mode
[ 139.608829][ T5494] bridge0: port 2(bridge_slave_1) entered blocking state
[ 139.620192][ T5494] bridge0: port 2(bridge_slave_1) entered disabled state
[ 139.625316][ T5494] bridge_slave_1: entered allmulticast mode
[ 139.629385][ T5494] bridge_slave_1: entered promiscuous mode
[ 139.719006][ T12] hsr_slave_0: left promiscuous mode
[ 139.723831][ T12] hsr_slave_1: left promiscuous mode
[ 139.726947][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 139.730429][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 139.738446][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 139.743427][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 139.757087][ T12] veth1_macvtap: left promiscuous mode
[ 139.759784][ T12] veth0_macvtap: left promiscuous mode
[ 139.763586][ T12] veth1_vlan: left promiscuous mode
[ 139.765999][ T12] veth0_vlan: left promiscuous mode
[ 140.116931][ T12] team0 (unregistering): Port device team_slave_1 removed
[ 140.140130][ T12] team0 (unregistering): Port device team_slave_0 removed
[ 140.512941][ T5495] bridge0: port 1(bridge_slave_0) entered blocking state
[ 140.516026][ T5495] bridge0: port 1(bridge_slave_0) entered disabled state
[ 140.519125][ T5495] bridge_slave_0: entered allmulticast mode
[ 140.529761][ T5495] bridge_slave_0: entered promiscuous mode
[ 140.535312][ T5498] team0: Port device team_slave_0 added
[ 140.538724][ T5495] bridge0: port 2(bridge_slave_1) entered blocking state
[ 140.541912][ T5495] bridge0: port 2(bridge_slave_1) entered disabled state
[ 140.549793][ T5495] bridge_slave_1: entered allmulticast mode
[ 140.554115][ T5495] bridge_slave_1: entered promiscuous mode
[ 140.590285][ T5492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 140.596984][ T5492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 140.608451][ T5485] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 140.627712][ T5485] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 140.633576][ T5498] team0: Port device team_slave_1 added
[ 140.672964][ T5494] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 140.767605][ T5494] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 140.793863][ T5485] team0: Port device team_slave_0 added
[ 140.827826][ T5498] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 140.830701][ T5498] 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.
[ 140.849795][ T5498] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 140.859888][ T5495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 140.934807][ T5492] team0: Port device team_slave_0 added
[ 140.938746][ T5485] team0: Port device team_slave_1 added
[ 140.946636][ T5494] team0: Port device team_slave_0 added
[ 140.950988][ T5494] team0: Port device team_slave_1 added
[ 140.969400][ T5498] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 140.987273][ T5498] 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.
[ 141.014376][ T5498] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 141.028539][ T5495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 141.080586][ T5492] team0: Port device team_slave_1 added
[ 141.185020][ T45] Bluetooth: hci0: command tx timeout
[ 141.263474][ T45] Bluetooth: hci1: command tx timeout
[ 141.300508][ T5495] team0: Port device team_slave_0 added
[ 141.324158][ T5492] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 141.327200][ T5492] 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.
[ 141.342841][ T45] Bluetooth: hci2: command tx timeout
[ 141.379934][ T5492] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 141.388147][ T5485] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 141.391319][ T5485] 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.
[ 141.406265][ T5485] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 141.412853][ T5494] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 141.415987][ T5494] 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.
[ 141.432349][ T45] Bluetooth: hci3: command tx timeout
[ 141.434900][ T45] Bluetooth: hci4: command tx timeout
[ 141.439944][ T5494] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 141.505417][ T4702] Bluetooth: hci5: command tx timeout
[ 141.609522][ T5495] team0: Port device team_slave_1 added
[ 141.638023][ T5492] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 141.641192][ T5492] 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.
[ 141.706810][ T5492] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 141.728643][ T5485] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 141.731578][ T5485] 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.
[ 141.759552][ T5485] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 141.780156][ T5494] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 141.790710][ T5494] 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.
[ 141.809705][ T5494] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 141.818827][ T5498] hsr_slave_0: entered promiscuous mode
[ 141.825367][ T5498] hsr_slave_1: entered promiscuous mode
[ 141.939013][ T5495] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 141.941991][ T5495] 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.
[ 141.957468][ T5495] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 142.017355][ T5495] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 142.020544][ T5495] 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.
[ 142.052384][ T5495] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 142.158430][ T5485] hsr_slave_0: entered promiscuous mode
[ 142.170029][ T5485] hsr_slave_1: entered promiscuous mode
[ 142.183172][ T5485] debugfs: 'hsr0' already exists in 'hsr'
[ 142.185745][ T5485] Cannot create hsr debugfs directory
[ 142.304881][ T5492] hsr_slave_0: entered promiscuous mode
[ 142.308307][ T5492] hsr_slave_1: entered promiscuous mode
[ 142.311244][ T5492] debugfs: 'hsr0' already exists in 'hsr'
[ 142.336119][ T5492] Cannot create hsr debugfs directory
[ 142.501530][ T5494] hsr_slave_0: entered promiscuous mode
[ 142.523026][ T5494] hsr_slave_1: entered promiscuous mode
[ 142.526204][ T5494] debugfs: 'hsr0' already exists in 'hsr'
[ 142.528749][ T5494] Cannot create hsr debugfs directory
[ 142.567830][ T5495] hsr_slave_0: entered promiscuous mode
[ 142.571140][ T5495] hsr_slave_1: entered promiscuous mode
[ 142.577297][ T5495] debugfs: 'hsr0' already exists in 'hsr'
[ 142.579901][ T5495] Cannot create hsr debugfs directory
[ 142.964904][ T5487] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 142.988629][ T5487] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 143.032759][ T5487] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 143.142366][ T5487] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 143.262846][ T4702] Bluetooth: hci0: command tx timeout
[ 143.342425][ T4702] Bluetooth: hci1: command tx timeout
[ 143.422292][ T4702] Bluetooth: hci2: command tx timeout
[ 143.490327][ T5498] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 143.506028][ T4702] Bluetooth: hci4: command tx timeout
[ 143.508451][ T4702] Bluetooth: hci3: command tx timeout
[ 143.570426][ T5498] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 143.586458][ T45] Bluetooth: hci5: command tx timeout
[ 143.608195][ T5498] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 143.669046][ T5498] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 143.869233][ T5485] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 143.927791][ T5485] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 143.988680][ T5485] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 144.013215][ T5485] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 144.199434][ T5492] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 144.231529][ T5498] 8021q: adding VLAN 0 to HW filter on device bond0
[ 144.298614][ T5492] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 144.340207][ T5487] 8021q: adding VLAN 0 to HW filter on device bond0
[ 144.366801][ T5492] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 144.391298][ T5498] 8021q: adding VLAN 0 to HW filter on device team0
[ 144.421910][ T5487] 8021q: adding VLAN 0 to HW filter on device team0
[ 144.454365][ T5492] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 144.476039][ T1086] bridge0: port 1(bridge_slave_0) entered blocking state
[ 144.479234][ T1086] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 144.491141][ T1086] bridge0: port 2(bridge_slave_1) entered blocking state
[ 144.494422][ T1086] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 144.561976][ T1086] bridge0: port 1(bridge_slave_0) entered blocking state
[ 144.565823][ T1086] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 144.589106][ T5494] netdevsim netdevsim5 netdevsim0: renamed from eth0
[ 144.637959][ T1086] bridge0: port 2(bridge_slave_1) entered blocking state
[ 144.641274][ T1086] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 144.650048][ T5494] netdevsim netdevsim5 netdevsim1: renamed from eth1
[ 144.755298][ T5494] netdevsim netdevsim5 netdevsim2: renamed from eth2
[ 144.841853][ T5494] netdevsim netdevsim5 netdevsim3: renamed from eth3
[ 145.028145][ T5485] 8021q: adding VLAN 0 to HW filter on device bond0
[ 145.070303][ T5485] 8021q: adding VLAN 0 to HW filter on device team0
[ 145.341477][ T1086] bridge0: port 1(bridge_slave_0) entered blocking state
[ 145.344849][ T1086] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 145.376747][ T1086] bridge0: port 2(bridge_slave_1) entered blocking state
[ 145.380094][ T1086] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 145.620282][ T5485] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 145.891664][ T5494] 8021q: adding VLAN 0 to HW filter on device bond0
[ 145.916136][ T5498] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 145.947793][ T5492] 8021q: adding VLAN 0 to HW filter on device bond0
[ 146.040975][ T5494] 8021q: adding VLAN 0 to HW filter on device team0
[ 146.111243][ T5492] 8021q: adding VLAN 0 to HW filter on device team0
[ 146.254827][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 146.257734][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 146.295988][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 146.298896][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 146.316467][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 146.319694][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 146.400970][ T5487] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 146.428320][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 146.431591][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 146.471695][ T5495] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 146.499846][ T5485] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 146.517609][ T5495] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 146.599279][ T5495] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 146.726691][ T5495] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 146.958807][ T5485] veth0_vlan: entered promiscuous mode
[ 147.089842][ T5485] veth1_vlan: entered promiscuous mode
[ 147.127593][ T5487] veth0_vlan: entered promiscuous mode
[ 147.138774][ T5498] veth0_vlan: entered promiscuous mode
[ 147.249673][ T5498] veth1_vlan: entered promiscuous mode
[ 147.354872][ T5487] veth1_vlan: entered promiscuous mode
[ 147.547898][ T5498] veth0_macvtap: entered promiscuous mode
[ 147.589372][ T5487] veth0_macvtap: entered promiscuous mode
[ 147.606356][ T5487] veth1_macvtap: entered promiscuous mode
[ 147.637642][ T5485] veth0_macvtap: entered promiscuous mode
[ 147.655972][ T5498] veth1_macvtap: entered promiscuous mode
[ 147.738894][ T5495] 8021q: adding VLAN 0 to HW filter on device bond0
[ 147.758242][ T5485] veth1_macvtap: entered promiscuous mode
[ 147.798980][ T5487] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 147.842054][ T5485] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 147.868568][ T5494] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 147.898946][ T5492] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 147.946069][ T5495] 8021q: adding VLAN 0 to HW filter on device team0
[ 147.965859][ T5485] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 148.008110][ T5498] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 148.044054][ T5487] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 148.053400][ T31] bridge0: port 1(bridge_slave_0) entered blocking state
[ 148.056363][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 148.097210][ T13] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.108414][ T5498] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 148.154405][ T1040] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.159865][ T31] bridge0: port 2(bridge_slave_1) entered blocking state
[ 148.162970][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 148.295742][ T1040] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.327901][ T5492] veth0_vlan: entered promiscuous mode
[ 148.435695][ T1040] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.498068][ T1040] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.544076][ T5492] veth1_vlan: entered promiscuous mode
[ 148.706828][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.777482][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.848262][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.878463][ T13] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.918901][ T13] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.923386][ T75] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 148.926943][ T75] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 148.931922][ T13] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.998131][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 149.001433][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 149.055399][ T13] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 149.066498][ T5492] veth0_macvtap: entered promiscuous mode
[ 149.071569][ T5492] veth1_macvtap: entered promiscuous mode
[ 149.150233][ T5492] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 149.249896][ T5494] veth0_vlan: entered promiscuous mode
[ 149.298352][ T5492] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 149.335351][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 149.338691][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 149.351769][ T5494] veth1_vlan: entered promiscuous mode
[ 149.448864][ T5495] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 149.455682][ T1086] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 149.519182][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 149.523277][ T1086] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 149.531595][ T5494] veth0_macvtap: entered promiscuous mode
[ 149.545458][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 149.588804][ T1086] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 149.606961][ T1086] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 149.619310][ T5494] veth1_macvtap: entered promiscuous mode
[ 149.755771][ T1040] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 149.758838][ T1040] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/08/06 20:42:40 executed programs: 12
[ 149.846827][ T5494] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 149.941419][ T1040] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 149.946093][ T5494] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 149.962481][ T1040] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 150.158540][ T5495] veth0_vlan: entered promiscuous mode
[ 150.196294][ T5714] loop0: detected capacity change from 0 to 2048
[ 150.279414][ T1086] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 150.295441][ T1086] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 150.387573][ T5495] veth1_vlan: entered promiscuous mode
[ 150.394654][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 150.398151][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 150.467089][ T5714] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 150.473715][ T1086] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 150.503056][ T5714] ext4 filesystem being mounted at /0/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 150.597951][ T1086] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 150.712436][ T5495] veth0_macvtap: entered promiscuous mode
[ 150.809190][ T5495] veth1_macvtap: entered promiscuous mode
[ 150.865614][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 150.869124][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 150.972667][ T5495] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 151.051822][ T5495] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 151.165900][ T13] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 151.184602][ T13] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 151.297348][ T5714] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.17: bg 0: block 345: padding at end of block bitmap is not set
[ 151.352537][ T13] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 151.370776][ T1086] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 151.383915][ T5714] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 151.389494][ T5714] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 151.389494][ T5714]
[ 151.428265][ T1086] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 151.475171][ T13] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 151.748449][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 151.758188][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 152.007575][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 152.011053][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 152.057999][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 152.471666][ T1086] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 152.513550][ T1086] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 152.550058][ T5737] loop0: detected capacity change from 0 to 2048
[ 152.684263][ T5737] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 152.763352][ T5737] ext4 filesystem being mounted at /1/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 153.651840][ T5737] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.27: bg 0: block 345: padding at end of block bitmap is not set
[ 153.723870][ T5737] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 153.787168][ T5737] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 153.787168][ T5737]
[ 154.328466][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 154.719783][ T5760] loop0: detected capacity change from 0 to 2048
[ 154.869930][ T5760] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 154.948078][ T5760] ext4 filesystem being mounted at /2/file0 supports timestamps until 2038-01-19 (0x7fffffff)
2025/08/06 20:42:45 executed programs: 40
[ 155.672645][ T5760] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.39: bg 0: block 345: padding at end of block bitmap is not set
[ 155.732768][ T5760] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 155.738149][ T5760] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 155.738149][ T5760]
[ 156.275882][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 156.521827][ T5778] loop0: detected capacity change from 0 to 2048
[ 156.676773][ T5778] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 156.702791][ T5778] ext4 filesystem being mounted at /3/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 157.345581][ T5778] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.54: bg 0: block 345: padding at end of block bitmap is not set
[ 157.373610][ T5778] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 157.379029][ T5778] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 157.379029][ T5778]
[ 157.909461][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 158.245804][ T5792] loop0: detected capacity change from 0 to 2048
[ 158.367758][ T5792] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 158.415139][ T5792] ext4 filesystem being mounted at /4/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 159.162535][ T5792] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.66: bg 0: block 345: padding at end of block bitmap is not set
[ 159.224937][ T5792] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 159.275803][ T5792] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 159.275803][ T5792]
[ 159.660974][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 160.036971][ T5809] loop0: detected capacity change from 0 to 2048
2025/08/06 20:42:50 executed programs: 79
[ 160.253247][ T5809] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 160.296813][ T5809] ext4 filesystem being mounted at /5/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 160.968553][ T5809] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.80: bg 0: block 345: padding at end of block bitmap is not set
[ 161.009330][ T5809] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 161.055950][ T5809] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 161.055950][ T5809]
[ 161.441607][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 161.797262][ T5826] loop0: detected capacity change from 0 to 2048
[ 161.933673][ T5826] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 162.002379][ T5826] ext4 filesystem being mounted at /6/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 162.639720][ T5826] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.94: bg 0: block 345: padding at end of block bitmap is not set
[ 162.694494][ T5826] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 162.699743][ T5826] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 162.699743][ T5826]
[ 163.183871][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 163.470333][ T5840] loop0: detected capacity change from 0 to 2048
[ 163.681820][ T5840] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 163.752899][ T5840] ext4 filesystem being mounted at /7/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 164.352249][ T5840] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.109: bg 0: block 345: padding at end of block bitmap is not set
[ 164.435185][ T5840] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 164.440942][ T5840] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 164.440942][ T5840]
[ 164.909593][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 165.251502][ T5856] loop0: detected capacity change from 0 to 2048
2025/08/06 20:42:55 executed programs: 121
[ 165.339016][ T5856] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 165.422509][ T5856] ext4 filesystem being mounted at /8/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 166.053000][ T5856] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.121: bg 0: block 345: padding at end of block bitmap is not set
[ 166.129047][ T5856] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1024 with error 117
[ 166.176601][ T5856] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 166.176601][ T5856]
[ 166.588516][ T5487] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 166.887882][ T5872] loop0: detected capacity change from 0 to 2048
[ 167.043389][ T5872] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[ 167.048729][ T5872] ext4 filesystem being mounted at /9/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 167.405818][ T5875] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 345: padding at end of block bitmap is not set
[ 167.529377][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 609 with error 28
[ 167.583276][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 167.583276][ T12]
[ 167.612904][ T12] EXT4-fs (loop0): Total free blocks count 0
[ 167.615623][ T12] EXT4-fs (loop0): Free/Dirty block details
[ 167.648819][ T12] EXT4-fs (loop0): free_blocks=0
[ 167.651204][ T12] EXT4-fs (loop0): dirty_blocks=624
[ 167.687900][ T12] EXT4-fs (loop0): Block reservation details
[ 167.711971][ T12] EXT4-fs (loop0): i_reserved_data_blocks=39
[ 167.845255][ T5872] ------------[ cut here ]------------
[ 167.847586][ T5872] WARNING: CPU: 0 PID: 5872 at fs/ext4/inode.c:4000 ext4_dirty_folio+0x167/0x1b0
[ 167.851349][ T5872] Modules linked in:
[ 167.853244][ T5872] CPU: 0 UID: 0 PID: 5872 Comm: syz.0.135 Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0 PREEMPT(full)
[ 167.858638][ T5872] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 167.864553][ T5872] RIP: 0010:ext4_dirty_folio+0x167/0x1b0
[ 167.867079][ T5872] Code: cf fa ad ff 49 83 3f 00 74 1a e8 94 11 49 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8f a7 d0 ff e8 7a 11 49 ff 90 <0f> 0b 90 eb e0 e8 6f 11 49 ff 90 0f 0b 90 eb a7 e8 64 11 49 ff 48
[ 167.875814][ T5872] RSP: 0018:ffffc9000d477ac0 EFLAGS: 00010293
[ 167.878452][ T5872] RAX: ffffffff8276a9e6 RBX: ffffea0001188080 RCX: ffff888036152440
[ 167.881946][ T5872] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 167.885569][ T5872] RBP: 1ffffd4000231010 R08: ffffea0001188087 R09: 1ffffd4000231010
[ 167.889089][ T5872] R10: dffffc0000000000 R11: fffff94000231011 R12: ffff88805523c7a8
[ 167.893146][ T5872] R13: 1ffffd4000231011 R14: 0000000000000001 R15: ffffea00011880a8
[ 167.896582][ T5872] FS: 000055558c2b0500(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000
[ 167.901854][ T5872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 167.905877][ T5872] CR2: 000020000034afa4 CR3: 0000000055986000 CR4: 0000000000352ef0
[ 167.909405][ T5872] Call Trace:
[ 167.911115][ T5872]
[ 167.912886][ T5872] unpin_user_pages_dirty_lock+0x37d/0x510
[ 167.915709][ T5872] process_vm_rw+0x841/0xaf0
[ 167.917732][ T5872] ? __pfx_process_vm_rw+0x10/0x10
[ 167.920115][ T5872] ? futex_wake+0x4b2/0x560
[ 167.922178][ T5872] ? exc_page_fault+0x76/0xf0
[ 167.924225][ T5872] ? __pfx___se_sys_futex+0x10/0x10
[ 167.926455][ T5872] __x64_sys_process_vm_writev+0xe0/0x100
[ 167.928978][ T5872] do_syscall_64+0xfa/0x3b0
[ 167.931053][ T5872] ? lockdep_hardirqs_on+0x9c/0x150
[ 167.933862][ T5872] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.937484][ T5872] ? clear_bhb_loop+0x60/0xb0
[ 167.940179][ T5872] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.943077][ T5872] RIP: 0033:0x7fe1dfb8ebe9
[ 167.945084][ T5872] 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
[ 167.953383][ T5872] RSP: 002b:00007ffc657d6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
[ 167.957056][ T5872] RAX: ffffffffffffffda RBX: 00007fe1dfdb5fa0 RCX: 00007fe1dfb8ebe9
[ 167.960384][ T5872] RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 000000000000000c
[ 167.963853][ T5872] RBP: 00007fe1dfc11e19 R08: 0000000000000001 R09: 0000000000000000
[ 167.967032][ T5872] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
[ 167.970495][ T5872] R13: 00007fe1dfdb5fa0 R14: 00007fe1dfdb5fa0 R15: 0000000000000006
[ 167.974186][ T5872]
[ 167.975589][ T5872] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 167.978693][ T5872] CPU: 0 UID: 0 PID: 5872 Comm: syz.0.135 Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0 PREEMPT(full)
[ 167.984081][ T5872] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 167.989347][ T5872] Call Trace:
[ 167.990773][ T5872]
[ 167.992077][ T5872] dump_stack_lvl+0x99/0x250
[ 167.994063][ T5872] ? __asan_memcpy+0x40/0x70
[ 167.996028][ T5872] ? __pfx_dump_stack_lvl+0x10/0x10
[ 167.998235][ T5872] ? __pfx__printk+0x10/0x10
[ 168.000229][ T5872] vpanic+0x281/0x750
[ 168.001992][ T5872] ? __pfx__printk+0x10/0x10
[ 168.004013][ T5872] ? __pfx_vpanic+0x10/0x10
[ 168.005923][ T5872] ? is_bpf_text_address+0x26/0x2b0
[ 168.008171][ T5872] panic+0xb9/0xc0
[ 168.009960][ T5872] ? __pfx_panic+0x10/0x10
[ 168.012070][ T5872] __warn+0x31b/0x4b0
[ 168.013887][ T5872] ? ext4_dirty_folio+0x167/0x1b0
[ 168.016021][ T5872] ? ext4_dirty_folio+0x167/0x1b0
[ 168.018146][ T5872] report_bug+0x2be/0x4f0
[ 168.019982][ T5872] ? ext4_dirty_folio+0x167/0x1b0
[ 168.022126][ T5872] ? ext4_dirty_folio+0x167/0x1b0
[ 168.024303][ T5872] ? ext4_dirty_folio+0x169/0x1b0
[ 168.026509][ T5872] handle_bug+0x84/0x160
[ 168.028319][ T5872] exc_invalid_op+0x1a/0x50
[ 168.030373][ T5872] asm_exc_invalid_op+0x1a/0x20
[ 168.032451][ T5872] RIP: 0010:ext4_dirty_folio+0x167/0x1b0
[ 168.034762][ T5872] Code: cf fa ad ff 49 83 3f 00 74 1a e8 94 11 49 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8f a7 d0 ff e8 7a 11 49 ff 90 <0f> 0b 90 eb e0 e8 6f 11 49 ff 90 0f 0b 90 eb a7 e8 64 11 49 ff 48
[ 168.042071][ T5872] RSP: 0018:ffffc9000d477ac0 EFLAGS: 00010293
[ 168.044819][ T5872] RAX: ffffffff8276a9e6 RBX: ffffea0001188080 RCX: ffff888036152440
[ 168.048250][ T5872] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 168.055174][ T5872] RBP: 1ffffd4000231010 R08: ffffea0001188087 R09: 1ffffd4000231010
[ 168.058586][ T5872] R10: dffffc0000000000 R11: fffff94000231011 R12: ffff88805523c7a8
[ 168.062122][ T5872] R13: 1ffffd4000231011 R14: 0000000000000001 R15: ffffea00011880a8
[ 168.065375][ T5872] ? ext4_dirty_folio+0x166/0x1b0
[ 168.067486][ T5872] unpin_user_pages_dirty_lock+0x37d/0x510
[ 168.070174][ T5872] process_vm_rw+0x841/0xaf0
[ 168.072348][ T5872] ? __pfx_process_vm_rw+0x10/0x10
[ 168.074494][ T5872] ? futex_wake+0x4b2/0x560
[ 168.076520][ T5872] ? exc_page_fault+0x76/0xf0
[ 168.078564][ T5872] ? __pfx___se_sys_futex+0x10/0x10
[ 168.080987][ T5872] __x64_sys_process_vm_writev+0xe0/0x100
[ 168.083451][ T5872] do_syscall_64+0xfa/0x3b0
[ 168.085466][ T5872] ? lockdep_hardirqs_on+0x9c/0x150
[ 168.087865][ T5872] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.090548][ T5872] ? clear_bhb_loop+0x60/0xb0
[ 168.092639][ T5872] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.095067][ T5872] RIP: 0033:0x7fe1dfb8ebe9
[ 168.096943][ T5872] 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
[ 168.104582][ T5872] RSP: 002b:00007ffc657d6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
[ 168.107895][ T5872] RAX: ffffffffffffffda RBX: 00007fe1dfdb5fa0 RCX: 00007fe1dfb8ebe9
[ 168.111305][ T5872] RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 000000000000000c
[ 168.114650][ T5872] RBP: 00007fe1dfc11e19 R08: 0000000000000001 R09: 0000000000000000
[ 168.118203][ T5872] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
[ 168.121675][ T5872] R13: 00007fe1dfdb5fa0 R14: 00007fe1dfdb5fa0 R15: 0000000000000006
[ 168.125136][ T5872]
[ 168.126866][ T5872] Kernel Offset: disabled
[ 168.128855][ T5872] Rebooting in 86400 seconds..
VM DIAGNOSIS:
20:42:58 Registers:
info registers vcpu 0
CPU#0
RAX=0000000000000020 RBX=0000000000000020 RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc9000d4772b0
R8 =ffff8880338e0237 R9 =1ffff1100671c046 R10=dffffc0000000000 R11=ffffffff85500220
R12=dffffc0000000000 R13=ffffffff99afd8c2 R14=ffffffff99df28e0 R15=0000000000000000
RIP=ffffffff8550029c RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 000055558c2b0500 ffffffff 00c00000
GS =0000 ffff88808d218000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=000020000034afa4 CR3=0000000055986000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=0000000080040001 Opmask01=0000000000000fff Opmask02=00000000ffffffef Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ddd8251158fc110f ad69b825838c2e31
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 14ae3fce1b2f41d9 5997125b0f940cd2
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 16d8f9268829dc61 383c80d518dd4eee
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 eb535b5f8a436b8f 0e33cb5c7287e4da
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000000008c0
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000040
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 139952a703d4dca0
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000006e0000006f 000000000000006f
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000006f03c917ed 11779c45f98d98c2
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 1d89bec503e0b347 00000000008b83ba
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 b7d8d09ae9e4866d a7178be4c587bcb2
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0b3fc0ba1dfa18d1 c014bfc82db99a83
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a54ff53a3c6ef372 bb67ae856a09e667
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5be0cd191f83d9ab 9b05688c510e527f
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0063696e61703d73 726f727265006f72 2d746e756f6d6572 3d73726f72726500
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00464c4b44551856 574a575740004a57 08514b504a484057 1856574a57574000
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000