Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs [ 28.199637][ T4325] cgroup: Unknown subsys name 'net' [ 28.471311][ T4325] cgroup: Unknown subsys name 'rlimit' [ 28.756080][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 34.541598][ T4332] chnl_net:caif_netlink_parms(): no params data found [ 34.560299][ T4332] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.561503][ T4332] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.563007][ T4332] device bridge_slave_0 entered promiscuous mode [ 34.565472][ T4332] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.566626][ T4332] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.568061][ T4332] device bridge_slave_1 entered promiscuous mode [ 34.576020][ T4332] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 34.578582][ T4332] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 34.585568][ T4332] team0: Port device team_slave_0 added [ 34.587315][ T4332] team0: Port device team_slave_1 added [ 34.593911][ T4332] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.594979][ T4332] 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. [ 34.598526][ T4332] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.601348][ T4332] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.602468][ T4332] 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. [ 34.606612][ T4332] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.649631][ T4332] device hsr_slave_0 entered promiscuous mode [ 34.698811][ T4332] device hsr_slave_1 entered promiscuous mode [ 34.774086][ T4332] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 34.830092][ T4332] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 34.890121][ T4332] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 34.940016][ T4332] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 34.987743][ T4332] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.989096][ T4332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.990456][ T4332] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.991615][ T4332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.009913][ T4332] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.013574][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.015937][ T392] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.017994][ T392] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.020360][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 35.024969][ T4332] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.028286][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.030289][ T392] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.031458][ T392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.034808][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.036315][ T392] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.037351][ T392] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.044291][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.045834][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.050122][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.053073][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.056083][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.058346][ T4332] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.111516][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.112869][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.116583][ T4332] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.124174][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.129881][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.131889][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.133214][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.135324][ T4332] device veth0_vlan entered promiscuous mode [ 35.138331][ T4332] device veth1_vlan entered promiscuous mode [ 35.145243][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.147014][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.148967][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.152042][ T4332] device veth0_macvtap entered promiscuous mode [ 35.154344][ T4332] device veth1_macvtap entered promiscuous mode [ 35.161202][ T4332] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.162536][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.164654][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.167309][ T4332] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.169492][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.171882][ T4332] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.173347][ T4332] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.174625][ T4332] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.176046][ T4332] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.510103][ T1612] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.960975][ T4380] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.962439][ T4380] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.963647][ T4380] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.965080][ T4380] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.966405][ T4380] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 35.967707][ T4380] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.301611][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.302867][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.305134][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.313263][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.314468][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.315944][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:36 executed programs: 0 [ 36.699921][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.701600][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.702916][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.704334][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.705563][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.706763][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.755538][ T4413] chnl_net:caif_netlink_parms(): no params data found [ 36.772499][ T4413] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.773816][ T4413] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.775412][ T4413] device bridge_slave_0 entered promiscuous mode [ 36.777327][ T4413] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.778490][ T4413] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.780511][ T4413] device bridge_slave_1 entered promiscuous mode [ 36.788002][ T4413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.790877][ T4413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.798051][ T4413] team0: Port device team_slave_0 added [ 36.801152][ T4413] team0: Port device team_slave_1 added [ 36.807126][ T4413] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.808173][ T4413] 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. [ 36.812203][ T4413] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.814529][ T4413] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.815609][ T4413] 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. [ 36.819383][ T4413] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.869785][ T4413] device hsr_slave_0 entered promiscuous mode [ 36.908855][ T4413] device hsr_slave_1 entered promiscuous mode [ 36.948642][ T4413] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 36.949897][ T4413] Cannot create hsr debugfs directory [ 38.149735][ T1612] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.718837][ T4380] Bluetooth: hci0: command 0x0409 tx timeout [ 40.469965][ T1612] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.561160][ T1612] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.799081][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 41.640387][ T4413] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.730871][ T4413] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.779795][ T4413] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.832824][ T1612] device hsr_slave_0 left promiscuous mode [ 41.858693][ T1612] device hsr_slave_1 left promiscuous mode [ 41.938638][ T1612] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 41.939860][ T1612] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 41.941424][ T1612] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 41.942546][ T1612] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 41.943919][ T1612] device bridge_slave_1 left promiscuous mode [ 41.945272][ T1612] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.989344][ T1612] device bridge_slave_0 left promiscuous mode [ 41.990649][ T1612] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.108895][ T1612] device veth1_macvtap left promiscuous mode [ 42.109998][ T1612] device veth0_macvtap left promiscuous mode [ 42.110949][ T1612] device veth1_vlan left promiscuous mode [ 42.111846][ T1612] device veth0_vlan left promiscuous mode [ 42.878598][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 43.949767][ T1612] team0 (unregistering): Port device team_slave_1 removed [ 44.119754][ T1612] team0 (unregistering): Port device team_slave_0 removed [ 44.289553][ T1612] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 44.499442][ T1612] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 44.958576][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 46.969486][ T1612] bond0 (unregistering): Released all slaves [ 47.190902][ T4413] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.253129][ T4413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.256638][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.258198][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.261021][ T4413] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.263412][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.265071][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.266460][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.267538][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.270437][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.273108][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.274734][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.276034][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.277093][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.282144][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.284848][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.287250][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.289569][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.290993][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.293497][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.294916][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.297632][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.300193][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.302711][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.304129][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.306342][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.358221][ T645] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.359853][ T645] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.364363][ T4413] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.370905][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.372552][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.378093][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.380140][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.381707][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.383152][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.385308][ T4413] device veth0_vlan entered promiscuous mode [ 47.388921][ T4413] device veth1_vlan entered promiscuous mode [ 47.395128][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.396776][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.398157][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.400344][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.402861][ T4413] device veth0_macvtap entered promiscuous mode [ 47.405285][ T4413] device veth1_macvtap entered promiscuous mode [ 47.411589][ T4413] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.412842][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.414349][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.415736][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.417299][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.420868][ T4413] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.422103][ T645] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.423621][ T645] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.425953][ T4413] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.427504][ T4413] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.429280][ T4413] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.430649][ T4413] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.452767][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.454002][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.456325][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.461931][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.463332][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.465165][ T645] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.511273][ T4514] loop0: detected capacity change from 0 to 512 [ 47.514754][ T4514] EXT2-fs (loop0): warning: mounting ext3 filesystem as ext2 [ 47.526955][ T4514] ------------[ cut here ]------------ [ 47.527852][ T4514] block_group >= groups_count - block_group = 207715, groups_count = 1 [ 47.527930][ T4514] WARNING: CPU: 0 PID: 4514 at fs/ext2/balloc.c:53 read_block_bitmap+0x1ec/0x754 [ 47.530481][ T4514] Modules linked in: [ 47.531067][ T4514] CPU: 0 PID: 4514 Comm: syz.0.17 Not tainted syzkaller #0 [ 47.532095][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.533458][ T4514] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.534573][ T4514] pc : read_block_bitmap+0x1ec/0x754 [ 47.535324][ T4514] lr : read_block_bitmap+0x1e8/0x754 [ 47.536104][ T4514] sp : ffff800020d673d0 [ 47.536730][ T4514] x29: ffff800020d67400 x28: dfff800000000000 x27: 1fffe0001b6d04cf [ 47.537787][ T4514] x26: ffff0000e93907a8 x25: ffff0000d328a800 x24: 0000000000032b63 [ 47.538910][ T4514] x23: dfff800000000000 x22: 0000000000000001 x21: ffff0000db682678 [ 47.540036][ T4514] x20: ffff0000db682000 x19: 0000000000032b63 x18: 0000000000000000 [ 47.541328][ T4514] x17: 0000000000000000 x16: ffff8000082d22d4 x15: 0000000000000000 [ 47.542640][ T4514] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 47.544003][ T4514] x11: ff00800008191ca8 x10: 0000000000000000 x9 : e3916bda88bd5500 [ 47.545305][ T4514] x8 : e3916bda88bd5500 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.546580][ T4514] x5 : ffff800020d66e58 x4 : ffff8000151a4820 x3 : ffff80000852e3f8 [ 47.547795][ T4514] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 47.549177][ T4514] Call trace: [ 47.549743][ T4514] read_block_bitmap+0x1ec/0x754 [ 47.550585][ T4514] ext2_free_blocks+0x28c/0xa3c [ 47.551434][ T4514] __ext2_truncate_blocks+0x2a8/0xbc0 [ 47.552339][ T4514] ext2_write_failed+0x1fc/0x270 [ 47.553116][ T4514] ext2_direct_IO+0x160/0x1a0 [ 47.553894][ T4514] generic_file_direct_write+0x31c/0x620 [ 47.554818][ T4514] __generic_file_write_iter+0x1bc/0x37c [ 47.555748][ T4514] generic_file_write_iter+0xb4/0x2b0 [ 47.556650][ T4514] ext2_file_write_iter+0xc4/0x404 [ 47.557528][ T4514] vfs_write+0x5ac/0x7c4 [ 47.558200][ T4514] ksys_write+0x120/0x210 [ 47.558914][ T4514] __arm64_sys_write+0x7c/0x90 [ 47.559729][ T4514] invoke_syscall+0x98/0x2bc [ 47.560468][ T4514] el0_svc_common+0x138/0x258 [ 47.561186][ T4514] do_el0_svc+0x58/0x13c [ 47.561907][ T4514] el0_svc+0x58/0x138 [ 47.562640][ T4514] el0t_64_sync_handler+0x84/0xf0 [ 47.563462][ T4514] el0t_64_sync+0x18c/0x190 [ 47.564277][ T4514] irq event stamp: 8046 [ 47.564948][ T4514] hardirqs last enabled at (8045): [] __up_console_sem+0xb4/0x100 [ 47.566444][ T4514] hardirqs last disabled at (8046): [] el1_dbg+0x24/0x80 [ 47.567821][ T4514] softirqs last enabled at (8004): [] local_bh_enable+0x10/0x34 [ 47.569214][ T4514] softirqs last disabled at (8002): [] local_bh_disable+0x10/0x34 [ 47.570748][ T4514] ---[ end trace 0000000000000000 ]--- [ 47.573437][ T4514] ------------[ cut here ]------------ [ 47.574357][ T4514] block_group >= groups_count - block_group = 2, groups_count = 1 [ 47.574440][ T4514] WARNING: CPU: 1 PID: 4514 at fs/ext2/balloc.c:53 read_block_bitmap+0x1ec/0x754 [ 47.576612][ T4514] Modules linked in: [ 47.577164][ T4514] CPU: 1 PID: 4514 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 47.578707][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.580462][ T4514] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.581639][ T4514] pc : read_block_bitmap+0x1ec/0x754 [ 47.582464][ T4514] lr : read_block_bitmap+0x1e8/0x754 [ 47.583180][ T4514] sp : ffff800020d673d0 [ 47.583801][ T4514] x29: ffff800020d67400 x28: dfff800000000000 x27: 1fffe0001b6d04cf [ 47.584980][ T4514] x26: ffff0000e93907a8 x25: ffff0000d328a800 x24: 0000000000000002 [ 47.586104][ T4514] x23: dfff800000000000 x22: 0000000000000001 x21: ffff0000db682678 [ 47.587409][ T4514] x20: ffff0000db682000 x19: 0000000000000002 x18: 0000000000000000 [ 47.588664][ T4514] x17: 0000000000000000 x16: ffff8000082d22d4 x15: 0000000000000000 [ 47.590012][ T4514] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 47.591205][ T4514] x11: ff00800008191ca8 x10: 0000000000000000 x9 : e3916bda88bd5500 [ 47.592440][ T4514] x8 : e3916bda88bd5500 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.593646][ T4514] x5 : ffff800020d66e58 x4 : ffff8000151a4820 x3 : ffff800008311cf4 [ 47.594920][ T4514] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 47.596255][ T4514] Call trace: [ 47.596796][ T4514] read_block_bitmap+0x1ec/0x754 [ 47.597584][ T4514] ext2_free_blocks+0x28c/0xa3c [ 47.598333][ T4514] __ext2_truncate_blocks+0x378/0xbc0 [ 47.599125][ T4514] ext2_write_failed+0x1fc/0x270 [ 47.599880][ T4514] ext2_direct_IO+0x160/0x1a0 [ 47.600572][ T4514] generic_file_direct_write+0x31c/0x620 [ 47.601355][ T4514] __generic_file_write_iter+0x1bc/0x37c [ 47.602204][ T4514] generic_file_write_iter+0xb4/0x2b0 [ 47.603003][ T4514] ext2_file_write_iter+0xc4/0x404 [ 47.603706][ T4514] vfs_write+0x5ac/0x7c4 [ 47.604286][ T4514] ksys_write+0x120/0x210 [ 47.604941][ T4514] __arm64_sys_write+0x7c/0x90 [ 47.605659][ T4514] invoke_syscall+0x98/0x2bc [ 47.606322][ T4514] el0_svc_common+0x138/0x258 [ 47.607051][ T4514] do_el0_svc+0x58/0x13c [ 47.607711][ T4514] el0_svc+0x58/0x138 [ 47.608303][ T4514] el0t_64_sync_handler+0x84/0xf0 [ 47.609050][ T4514] el0t_64_sync+0x18c/0x190 [ 47.609691][ T4514] irq event stamp: 8184 [ 47.610269][ T4514] hardirqs last enabled at (8183): [] __up_console_sem+0xb4/0x100 [ 47.611630][ T4514] hardirqs last disabled at (8184): [] el1_dbg+0x24/0x80 [ 47.612870][ T4514] softirqs last enabled at (8162): [] handle_softirqs+0xaf8/0xc6c [ 47.614240][ T4514] softirqs last disabled at (8049): [] __do_softirq+0x14/0x20 [ 47.615561][ T4514] ---[ end trace 0000000000000000 ]---