Warning: Permanently added '10.128.1.236' (ED25519) to the list of known hosts. 1970/01/01 00:00:34 parsed 1 programs [ 35.187914][ T4327] cgroup: Unknown subsys name 'net' [ 35.402620][ T4327] cgroup: Unknown subsys name 'rlimit' [ 35.704766][ T4327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.335924][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.337249][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.339238][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.348692][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.350104][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.351999][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.756768][ T4376] chnl_net:caif_netlink_parms(): no params data found [ 39.775760][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.776883][ T4376] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.778339][ T4376] device bridge_slave_0 entered promiscuous mode [ 39.781035][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.782211][ T4376] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.783743][ T4376] device bridge_slave_1 entered promiscuous mode [ 39.793180][ T4376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.795869][ T4376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.803776][ T4376] team0: Port device team_slave_0 added [ 39.806042][ T4376] team0: Port device team_slave_1 added [ 39.813045][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.814136][ T4376] 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. [ 39.818045][ T4376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.820783][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.821890][ T4376] 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. [ 39.826027][ T4376] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.881660][ T4376] device hsr_slave_0 entered promiscuous mode [ 39.920208][ T4376] device hsr_slave_1 entered promiscuous mode [ 39.995442][ T4376] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.011355][ T4376] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.041766][ T4376] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.062190][ T4376] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.099921][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.101124][ T4376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.102616][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.103843][ T4376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.122091][ T4376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.126322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.128426][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.130908][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.135274][ T4376] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.138384][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.139940][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.141136][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.146024][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.147707][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.148792][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.159072][ T4376] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.161808][ T4376] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.165698][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.167579][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.169046][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.171786][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.173211][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.174602][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.224754][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.226060][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.229493][ T4376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.236120][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.237796][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.243659][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.245340][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.246974][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.248400][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.251209][ T4376] device veth0_vlan entered promiscuous mode [ 40.254923][ T4376] device veth1_vlan entered promiscuous mode [ 40.261671][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.263220][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.264700][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.266467][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.268822][ T4376] device veth0_macvtap entered promiscuous mode [ 40.281139][ T4376] device veth1_macvtap entered promiscuous mode [ 40.286662][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.287986][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.289588][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.291751][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.293563][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.296380][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.297599][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.299285][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.303054][ T4376] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.304434][ T4376] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.305723][ T4376] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.307074][ T4376] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.578045][ T4431] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.579594][ T4431] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.582330][ T4431] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.583901][ T4431] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.585330][ T4431] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.586539][ T4431] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:40 executed programs: 0 [ 40.824251][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.825798][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.827097][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.828555][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.832128][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.833410][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.034104][ T4440] chnl_net:caif_netlink_parms(): no params data found [ 41.083571][ T4440] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.084768][ T4440] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.086148][ T4440] device bridge_slave_0 entered promiscuous mode [ 41.088104][ T4440] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.089280][ T4440] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.090916][ T4440] device bridge_slave_1 entered promiscuous mode [ 41.097860][ T4440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.101213][ T4440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.108220][ T4440] team0: Port device team_slave_0 added [ 41.110052][ T4440] team0: Port device team_slave_1 added [ 41.116313][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.117325][ T4440] 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. [ 41.121797][ T4440] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.402476][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.403547][ T4440] 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. [ 41.407687][ T4440] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.461310][ T4440] device hsr_slave_0 entered promiscuous mode [ 41.510186][ T4440] device hsr_slave_1 entered promiscuous mode [ 41.550073][ T4440] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.551478][ T4440] Cannot create hsr debugfs directory [ 41.781598][ T4440] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.890401][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.511324][ T4440] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.970011][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 46.001259][ T4440] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.091804][ T4440] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.273109][ T4440] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.372812][ T4440] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.462195][ T4440] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.552292][ T4440] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.661139][ T4440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.664544][ T187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.666120][ T187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.668575][ T4440] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.671079][ T187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.672561][ T187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.674011][ T187] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.675136][ T187] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.676839][ T187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.679204][ T187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.682219][ T187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.683721][ T187] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.684766][ T187] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.762752][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.765410][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.767854][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.769473][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.771143][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.774414][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.776320][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.778811][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.780627][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.783237][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.784739][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.786974][ T4440] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.813752][ T1702] device hsr_slave_0 left promiscuous mode [ 46.840418][ T1702] device hsr_slave_1 left promiscuous mode [ 46.910063][ T1702] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.911195][ T1702] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.912873][ T1702] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.914099][ T1702] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.915542][ T1702] device bridge_slave_1 left promiscuous mode [ 46.916900][ T1702] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.970633][ T1702] device bridge_slave_0 left promiscuous mode [ 46.971696][ T1702] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.060052][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.100186][ T1702] device veth1_macvtap left promiscuous mode [ 47.101225][ T1702] device veth0_macvtap left promiscuous mode [ 47.102321][ T1702] device veth1_vlan left promiscuous mode [ 47.103307][ T1702] device veth0_vlan left promiscuous mode [ 48.931036][ T1702] team0 (unregistering): Port device team_slave_1 removed [ 49.130052][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.140559][ T1702] team0 (unregistering): Port device team_slave_0 removed [ 49.350519][ T1702] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.600395][ T1702] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.170869][ T1702] bond0 (unregistering): Released all slaves [ 52.416270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.417512][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.420637][ T4440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.426025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.427710][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.435048][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.436690][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.438282][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.439760][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.442214][ T4440] device veth0_vlan entered promiscuous mode [ 52.445389][ T4440] device veth1_vlan entered promiscuous mode [ 52.453127][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.454702][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.456150][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.457738][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.460107][ T4440] device veth0_macvtap entered promiscuous mode [ 52.462278][ T4440] device veth1_macvtap entered promiscuous mode [ 52.467531][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.468698][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.470907][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.472309][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.473773][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.476569][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.477601][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.479125][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.482762][ T4440] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.484091][ T4440] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.485360][ T4440] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.486612][ T4440] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.506813][ T4447] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.508148][ T4447] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.509847][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.516621][ T4447] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.517834][ T4447] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.519432][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.562044][ T4461] loop0: detected capacity change from 0 to 512 [ 52.565204][ T4461] EXT2-fs (loop0): warning: mounting ext3 filesystem as ext2 [ 52.577161][ T4461] ------------[ cut here ]------------ [ 52.578064][ T4461] block_group >= groups_count - block_group = 207715, groups_count = 1 [ 52.578214][ T4461] WARNING: CPU: 1 PID: 4461 at fs/ext2/balloc.c:53 read_block_bitmap+0x1ec/0x754 [ 52.581052][ T4461] Modules linked in: [ 52.581704][ T4461] CPU: 1 PID: 4461 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.582965][ T4461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.584552][ T4461] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.585718][ T4461] pc : read_block_bitmap+0x1ec/0x754 [ 52.586608][ T4461] lr : read_block_bitmap+0x1e8/0x754 [ 52.587375][ T4461] sp : ffff800020cc73d0 [ 52.587979][ T4461] x29: ffff800020cc7400 x28: dfff800000000000 x27: 1fffe0001a0914cf [ 52.589131][ T4461] x26: ffff0000ea6787a8 x25: ffff0000d1b70000 x24: 0000000000032b63 [ 52.590399][ T4461] x23: dfff800000000000 x22: 0000000000000001 x21: ffff0000d048a678 [ 52.591635][ T4461] x20: ffff0000d048a000 x19: 0000000000032b63 x18: ffff800011abbcc0 [ 52.592896][ T4461] x17: 1fffe00033edbb7e x16: ffff8000082d22d4 x15: 0000000040000000 [ 52.594165][ T4461] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 52.595448][ T4461] x11: ff0080000a8935f4 x10: 0000000000000003 x9 : 48263fb6bad72f00 [ 52.596684][ T4461] x8 : 48263fb6bad72f00 x7 : ffff800008251e10 x6 : 0000000000000000 [ 52.597877][ T4461] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 52.599155][ T4461] x2 : 0000000000000006 x1 : ffff800011abd7c0 x0 : 0000000000000000 [ 52.600405][ T4461] Call trace: [ 52.600851][ T4461] read_block_bitmap+0x1ec/0x754 [ 52.601549][ T4461] ext2_free_blocks+0x28c/0xa3c [ 52.602297][ T4461] __ext2_truncate_blocks+0x2a8/0xbc0 [ 52.603141][ T4461] ext2_write_failed+0x1fc/0x270 [ 52.603980][ T4461] ext2_direct_IO+0x160/0x1a0 [ 52.604719][ T4461] generic_file_direct_write+0x31c/0x620 [ 52.605577][ T4461] __generic_file_write_iter+0x1bc/0x37c [ 52.606422][ T4461] generic_file_write_iter+0xb4/0x2b0 [ 52.607256][ T4461] ext2_file_write_iter+0xc4/0x404 [ 52.608013][ T4461] vfs_write+0x5ac/0x7c4 [ 52.608691][ T4461] ksys_write+0x120/0x210 [ 52.609295][ T4461] __arm64_sys_write+0x7c/0x90 [ 52.609971][ T4461] invoke_syscall+0x98/0x2bc [ 52.610629][ T4461] el0_svc_common+0x138/0x258 [ 52.611380][ T4461] do_el0_svc+0x58/0x13c [ 52.612065][ T4461] el0_svc+0x58/0x138 [ 52.612642][ T4461] el0t_64_sync_handler+0x84/0xf0 [ 52.613452][ T4461] el0t_64_sync+0x18c/0x190 [ 52.614182][ T4461] irq event stamp: 7166 [ 52.614841][ T4461] hardirqs last enabled at (7165): [] finish_lock_switch+0xb0/0x1c4 [ 52.616363][ T4461] hardirqs last disabled at (7166): [] el1_dbg+0x24/0x80 [ 52.617728][ T4461] softirqs last enabled at (7120): [] local_bh_enable+0x10/0x34 [ 52.619180][ T4461] softirqs last disabled at (7118): [] local_bh_disable+0x10/0x34 [ 52.620603][ T4461] ---[ end trace 0000000000000000 ]--- [ 52.621995][ T4461] ------------[ cut here ]------------ [ 52.622796][ T4461] block_group >= groups_count - block_group = 2, groups_count = 1 [ 52.622876][ T4461] WARNING: CPU: 1 PID: 4461 at fs/ext2/balloc.c:53 read_block_bitmap+0x1ec/0x754 [ 52.625438][ T4461] Modules linked in: [ 52.625986][ T4461] CPU: 1 PID: 4461 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 52.627157][ T4461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.628765][ T4461] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.630033][ T4461] pc : read_block_bitmap+0x1ec/0x754 [ 52.630873][ T4461] lr : read_block_bitmap+0x1e8/0x754 [ 52.631756][ T4461] sp : ffff800020cc73d0 [ 52.632393][ T4461] x29: ffff800020cc7400 x28: dfff800000000000 x27: 1fffe0001a0914cf [ 52.633726][ T4461] x26: ffff0000ea6787a8 x25: ffff0000d1b70000 x24: 0000000000000002 [ 52.635038][ T4461] x23: dfff800000000000 x22: 0000000000000001 x21: ffff0000d048a678 [ 52.636284][ T4461] x20: ffff0000d048a000 x19: 0000000000000002 x18: ffff800011abbcc0 [ 52.637537][ T4461] x17: 0000000000000000 x16: ffff8000082d22d4 x15: 0000000000000000 [ 52.638705][ T4461] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 52.639958][ T4461] x11: ff00800008191ca8 x10: 0000000000000000 x9 : 48263fb6bad72f00 [ 52.641222][ T4461] x8 : 48263fb6bad72f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.642442][ T4461] x5 : ffff800020cc6e58 x4 : ffff8000151a4820 x3 : ffff800008311cf4 [ 52.643685][ T4461] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 52.644982][ T4461] Call trace: [ 52.645510][ T4461] read_block_bitmap+0x1ec/0x754 [ 52.646337][ T4461] ext2_free_blocks+0x28c/0xa3c [ 52.647151][ T4461] __ext2_truncate_blocks+0x378/0xbc0 [ 52.648039][ T4461] ext2_write_failed+0x1fc/0x270 [ 52.648855][ T4461] ext2_direct_IO+0x160/0x1a0 [ 52.649600][ T4461] generic_file_direct_write+0x31c/0x620 [ 52.650455][ T4461] __generic_file_write_iter+0x1bc/0x37c [ 52.651386][ T4461] generic_file_write_iter+0xb4/0x2b0 [ 52.652226][ T4461] ext2_file_write_iter+0xc4/0x404 [ 52.653040][ T4461] vfs_write+0x5ac/0x7c4 [ 52.653701][ T4461] ksys_write+0x120/0x210 [ 52.654428][ T4461] __arm64_sys_write+0x7c/0x90 [ 52.655206][ T4461] invoke_syscall+0x98/0x2bc [ 52.655964][ T4461] el0_svc_common+0x138/0x258 [ 52.656730][ T4461] do_el0_svc+0x58/0x13c [ 52.657429][ T4461] el0_svc+0x58/0x138 [ 52.658071][ T4461] el0t_64_sync_handler+0x84/0xf0 [ 52.658845][ T4461] el0t_64_sync+0x18c/0x190 [ 52.659575][ T4461] irq event stamp: 7232 [ 52.660252][ T4461] hardirqs last enabled at (7231): [] __up_console_sem+0xb4/0x100 [ 52.661801][ T4461] hardirqs last disabled at (7232): [] el1_dbg+0x24/0x80 [ 52.663185][ T4461] softirqs last enabled at (7210): [] handle_softirqs+0xaf8/0xc6c [ 52.664702][ T4461] softirqs last disabled at (7169): [] __do_softirq+0x14/0x20 [ 52.666016][ T4461] ---[ end trace 0000000000000000 ]---