Warning: Permanently added '10.128.0.95' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs [ 29.066140][ T4324] cgroup: Unknown subsys name 'net' [ 29.353285][ T4324] cgroup: Unknown subsys name 'rlimit' [ 29.625749][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 31.879205][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.883359][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.885702][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 31.890373][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.892474][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.895767][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 32.303724][ T4355] chnl_net:caif_netlink_parms(): no params data found [ 32.322157][ T4355] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.323423][ T4355] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.324982][ T4355] device bridge_slave_0 entered promiscuous mode [ 32.327284][ T4355] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.328492][ T4355] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.329870][ T4355] device bridge_slave_1 entered promiscuous mode [ 32.337407][ T4355] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.339710][ T4355] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.348680][ T4355] team0: Port device team_slave_0 added [ 32.350577][ T4355] team0: Port device team_slave_1 added [ 32.356595][ T4355] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.357732][ T4355] 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. [ 32.362388][ T4355] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.365122][ T4355] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.366184][ T4355] 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. [ 32.370584][ T4355] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.431550][ T4355] device hsr_slave_0 entered promiscuous mode [ 32.480685][ T4355] device hsr_slave_1 entered promiscuous mode [ 32.575737][ T4355] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 32.612928][ T4355] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 32.651782][ T4355] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 32.693356][ T4355] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 32.787902][ T4355] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.789214][ T4355] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.790616][ T4355] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.791753][ T4355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.809972][ T4355] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.814363][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.816687][ T483] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.818619][ T483] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.824263][ T4355] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.828014][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.829592][ T4343] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.830837][ T4343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.834072][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.835535][ T4343] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.836616][ T4343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.844559][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.846143][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 32.849975][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.853935][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 32.856883][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 32.859324][ T4355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 32.921504][ T4355] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.922843][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 32.924105][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 32.929439][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 32.931451][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 32.936562][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 32.938508][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 32.940151][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 32.943354][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 32.945907][ T4355] device veth0_vlan entered promiscuous mode [ 32.949119][ T4355] device veth1_vlan entered promiscuous mode [ 32.956460][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 32.957996][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 32.959426][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 32.961748][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 32.964032][ T4355] device veth0_macvtap entered promiscuous mode [ 32.966415][ T4355] device veth1_macvtap entered promiscuous mode [ 32.973074][ T4355] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.974336][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 32.975770][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 32.977117][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 32.978698][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 32.981828][ T4355] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.983916][ T1590] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 32.985405][ T1590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 32.987688][ T4355] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.988984][ T4355] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.990413][ T4355] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.992315][ T4355] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.251317][ T4393] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.253003][ T4391] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.254324][ T4393] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.255862][ T4393] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.257313][ T4393] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 33.258550][ T4393] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:33 executed programs: 0 [ 33.984283][ T4393] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.985952][ T4393] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.987290][ T4393] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.988688][ T4393] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.989981][ T4393] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 33.991612][ T4393] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 34.166208][ T4421] chnl_net:caif_netlink_parms(): no params data found [ 34.183506][ T4421] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.184736][ T4421] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.186221][ T4421] device bridge_slave_0 entered promiscuous mode [ 34.188242][ T4421] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.189381][ T4421] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.191668][ T4421] device bridge_slave_1 entered promiscuous mode [ 34.494910][ T4421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 34.497494][ T4421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 34.505171][ T4421] team0: Port device team_slave_0 added [ 34.507610][ T4421] team0: Port device team_slave_1 added [ 34.513860][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.514952][ T4421] 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. [ 34.519220][ T4421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.571678][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.572780][ T4421] 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. [ 34.576770][ T4421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.632106][ T4421] device hsr_slave_0 entered promiscuous mode [ 34.670673][ T4421] device hsr_slave_1 entered promiscuous mode [ 34.710647][ T4421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 34.711994][ T4421] Cannot create hsr debugfs directory [ 34.981946][ T4421] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.000814][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 38.080816][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 38.802311][ T4421] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.891559][ T4421] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.963728][ T4421] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.152658][ T4421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.272801][ T4421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.311797][ T4421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.412736][ T4421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.532172][ T4421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.535483][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.537004][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.539808][ T4421] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.594063][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.595762][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.597304][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.598462][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.600072][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.603500][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.605024][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.606453][ T4343] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.607593][ T4343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.612029][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.613668][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.615949][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.617609][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.619071][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.621517][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.623094][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.625816][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.627820][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.630275][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.632679][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.634855][ T4421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.718562][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.719797][ T4343] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.725061][ T39] device hsr_slave_0 left promiscuous mode [ 39.741529][ T39] device hsr_slave_1 left promiscuous mode [ 39.820584][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.821797][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.823439][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.824617][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.825946][ T39] device bridge_slave_1 left promiscuous mode [ 39.827236][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.861126][ T39] device bridge_slave_0 left promiscuous mode [ 39.862207][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.990689][ T39] device veth1_macvtap left promiscuous mode [ 39.991754][ T39] device veth0_macvtap left promiscuous mode [ 39.993083][ T39] device veth1_vlan left promiscuous mode [ 39.993960][ T39] device veth0_vlan left promiscuous mode [ 40.160559][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 41.812208][ T39] team0 (unregistering): Port device team_slave_1 removed [ 41.981082][ T39] team0 (unregistering): Port device team_slave_0 removed [ 42.150873][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 42.240713][ T4393] Bluetooth: hci0: command 0x0419 tx timeout [ 42.370936][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 44.891947][ T39] bond0 (unregistering): Released all slaves [ 45.094286][ T4421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.104146][ T1590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.105796][ T1590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.111193][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.112770][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.114362][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.115652][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.117621][ T4421] device veth0_vlan entered promiscuous mode [ 45.121530][ T4421] device veth1_vlan entered promiscuous mode [ 45.128658][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.130206][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.131756][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.133295][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.135574][ T4421] device veth0_macvtap entered promiscuous mode [ 45.138483][ T4421] device veth1_macvtap entered promiscuous mode [ 45.143587][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.144861][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.146365][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.147752][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.149218][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.155585][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.156707][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.158307][ T483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.161076][ T4421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.162552][ T4421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.164058][ T4421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.165544][ T4421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.187418][ T483] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.188622][ T483] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.191823][ T1590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.197349][ T483] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.198658][ T483] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.200702][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.251253][ T4458] loop0: detected capacity change from 0 to 512 [ 45.261328][ T4458] EXT2-fs (loop0): warning: mounting ext3 filesystem as ext2 [ 45.270411][ T4458] ------------[ cut here ]------------ [ 45.271491][ T4458] block_group >= groups_count - block_group = 207715, groups_count = 1 [ 45.272289][ T4458] WARNING: CPU: 0 PID: 4458 at fs/ext2/balloc.c:53 read_block_bitmap+0x1ec/0x754 [ 45.274664][ T4458] Modules linked in: [ 45.275261][ T4458] CPU: 0 PID: 4458 Comm: syz.0.17 Not tainted syzkaller #0 [ 45.276401][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.277965][ T4458] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.279277][ T4458] pc : read_block_bitmap+0x1ec/0x754 [ 45.280077][ T4458] lr : read_block_bitmap+0x1e8/0x754 [ 45.280946][ T4458] sp : ffff800020fa73d0 [ 45.281646][ T4458] x29: ffff800020fa7400 x28: dfff800000000000 x27: 1fffe0001a59eccf [ 45.282905][ T4458] x26: ffff0000e07d07a8 x25: ffff0000d3587800 x24: 0000000000032b63 [ 45.284161][ T4458] x23: dfff800000000000 x22: 0000000000000001 x21: ffff0000d2cf6678 [ 45.285432][ T4458] x20: ffff0000d2cf6000 x19: 0000000000032b63 x18: ffff800011abbcc0 [ 45.286794][ T4458] x17: 1fffe00033ed797e x16: ffff8000082d22d4 x15: 0000000040000000 [ 45.288080][ T4458] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 45.289364][ T4458] x11: ff0080000a8935f4 x10: 0000000000000003 x9 : 0b325f2d4251cf00 [ 45.290561][ T4458] x8 : 0b325f2d4251cf00 x7 : ffff800008251e10 x6 : 0000000000000000 [ 45.291850][ T4458] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 45.293209][ T4458] x2 : 0000000000000006 x1 : ffff800011abd7c0 x0 : 0000000000000000 [ 45.294455][ T4458] Call trace: [ 45.294991][ T4458] read_block_bitmap+0x1ec/0x754 [ 45.295877][ T4458] ext2_free_blocks+0x28c/0xa3c [ 45.296697][ T4458] __ext2_truncate_blocks+0x2a8/0xbc0 [ 45.297603][ T4458] ext2_write_failed+0x1fc/0x270 [ 45.298373][ T4458] ext2_direct_IO+0x160/0x1a0 [ 45.299123][ T4458] generic_file_direct_write+0x31c/0x620 [ 45.300070][ T4458] __generic_file_write_iter+0x1bc/0x37c [ 45.301029][ T4458] generic_file_write_iter+0xb4/0x2b0 [ 45.301929][ T4458] ext2_file_write_iter+0xc4/0x404 [ 45.302795][ T4458] vfs_write+0x5ac/0x7c4 [ 45.303551][ T4458] ksys_write+0x120/0x210 [ 45.304264][ T4458] __arm64_sys_write+0x7c/0x90 [ 45.305056][ T4458] invoke_syscall+0x98/0x2bc [ 45.305728][ T4458] el0_svc_common+0x138/0x258 [ 45.306467][ T4458] do_el0_svc+0x58/0x13c [ 45.307216][ T4458] el0_svc+0x58/0x138 [ 45.307901][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 45.308754][ T4458] el0t_64_sync+0x18c/0x190 [ 45.309552][ T4458] irq event stamp: 6860 [ 45.310237][ T4458] hardirqs last enabled at (6859): [] finish_lock_switch+0xb0/0x1c4 [ 45.311759][ T4458] hardirqs last disabled at (6860): [] el1_dbg+0x24/0x80 [ 45.313050][ T4458] softirqs last enabled at (6846): [] handle_softirqs+0xaf8/0xc6c [ 45.314438][ T4458] softirqs last disabled at (6811): [] __do_softirq+0x14/0x20 [ 45.315729][ T4458] ---[ end trace 0000000000000000 ]--- [ 45.318133][ T4458] ------------[ cut here ]------------ [ 45.318860][ T4458] block_group >= groups_count - block_group = 2, groups_count = 1 [ 45.318942][ T4458] WARNING: CPU: 0 PID: 4458 at fs/ext2/balloc.c:53 read_block_bitmap+0x1ec/0x754 [ 45.321588][ T4458] Modules linked in: [ 45.322205][ T4458] CPU: 0 PID: 4458 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 45.323559][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.325154][ T4458] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.326307][ T4458] pc : read_block_bitmap+0x1ec/0x754 [ 45.327131][ T4458] lr : read_block_bitmap+0x1e8/0x754 [ 45.327928][ T4458] sp : ffff800020fa73d0 [ 45.328514][ T4458] x29: ffff800020fa7400 x28: dfff800000000000 x27: 1fffe0001a59eccf [ 45.329710][ T4458] x26: ffff0000e07d07a8 x25: ffff0000d3587800 x24: 0000000000000002 [ 45.330969][ T4458] x23: dfff800000000000 x22: 0000000000000001 x21: ffff0000d2cf6678 [ 45.332235][ T4458] x20: ffff0000d2cf6000 x19: 0000000000000002 x18: ffff800011abbcc0 [ 45.333497][ T4458] x17: 0000000000000000 x16: ffff8000082d22d4 x15: 0000000000000000 [ 45.334830][ T4458] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 45.336085][ T4458] x11: ff00800008191ca8 x10: 0000000000000000 x9 : 0b325f2d4251cf00 [ 45.337344][ T4458] x8 : 0b325f2d4251cf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.338580][ T4458] x5 : ffff800020fa6e58 x4 : ffff8000151a4820 x3 : ffff800008311cf4 [ 45.339714][ T4458] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 45.340891][ T4458] Call trace: [ 45.341346][ T4458] read_block_bitmap+0x1ec/0x754 [ 45.342194][ T4458] ext2_free_blocks+0x28c/0xa3c [ 45.343005][ T4458] __ext2_truncate_blocks+0x378/0xbc0 [ 45.343857][ T4458] ext2_write_failed+0x1fc/0x270 [ 45.344648][ T4458] ext2_direct_IO+0x160/0x1a0 [ 45.345399][ T4458] generic_file_direct_write+0x31c/0x620 [ 45.346291][ T4458] __generic_file_write_iter+0x1bc/0x37c [ 45.347216][ T4458] generic_file_write_iter+0xb4/0x2b0 [ 45.348046][ T4458] ext2_file_write_iter+0xc4/0x404 [ 45.348834][ T4458] vfs_write+0x5ac/0x7c4 [ 45.349469][ T4458] ksys_write+0x120/0x210 [ 45.350169][ T4458] __arm64_sys_write+0x7c/0x90 [ 45.350948][ T4458] invoke_syscall+0x98/0x2bc [ 45.351745][ T4458] el0_svc_common+0x138/0x258 [ 45.352474][ T4458] do_el0_svc+0x58/0x13c [ 45.353207][ T4458] el0_svc+0x58/0x138 [ 45.353865][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 45.354670][ T4458] el0t_64_sync+0x18c/0x190 [ 45.355332][ T4458] irq event stamp: 7024 [ 45.355963][ T4458] hardirqs last enabled at (7023): [] __up_console_sem+0xb4/0x100 [ 45.357366][ T4458] hardirqs last disabled at (7024): [] el1_dbg+0x24/0x80 [ 45.358858][ T4458] softirqs last enabled at (7002): [] handle_softirqs+0xaf8/0xc6c [ 45.360483][ T4458] softirqs last disabled at (6863): [] __do_softirq+0x14/0x20 [ 45.361996][ T4458] ---[ end trace 0000000000000000 ]---