Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. 2025/09/30 07:46:22 ignoring optional flag "type"="gce" 2025/09/30 07:46:22 parsed 1 programs 2025/09/30 07:46:22 executed programs: 0 [ 41.003536][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.010607][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.018340][ T341] device bridge_slave_0 entered promiscuous mode [ 41.026020][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.033165][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.040612][ T341] device bridge_slave_1 entered promiscuous mode [ 41.070118][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.077369][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.084939][ T334] device bridge_slave_0 entered promiscuous mode [ 41.102470][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.109568][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.117147][ T334] device bridge_slave_1 entered promiscuous mode [ 41.140948][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.148052][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.155530][ T337] device bridge_slave_0 entered promiscuous mode [ 41.162529][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.169624][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.177132][ T337] device bridge_slave_1 entered promiscuous mode [ 41.186698][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.193783][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.201135][ T346] device bridge_slave_0 entered promiscuous mode [ 41.209189][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.216304][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.223969][ T346] device bridge_slave_1 entered promiscuous mode [ 41.311138][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.318366][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.326017][ T344] device bridge_slave_0 entered promiscuous mode [ 41.334281][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.341334][ T338] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.348863][ T338] device bridge_slave_0 entered promiscuous mode [ 41.365442][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.372514][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.379997][ T344] device bridge_slave_1 entered promiscuous mode [ 41.393615][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.400672][ T338] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.408139][ T338] device bridge_slave_1 entered promiscuous mode [ 41.587624][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.594710][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.601979][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.609126][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.637237][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.644448][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.666089][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.673165][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.680439][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.687490][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.706368][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.713532][ T338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.720822][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.727897][ T338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.750353][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.757433][ T344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.764736][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.771777][ T344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.801090][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.808178][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.815484][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.822519][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.831029][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.839056][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.847587][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.855088][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.863806][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.871226][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.878635][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.885981][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.893522][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.900764][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.908169][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.915435][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.953900][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.962265][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.970858][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.978798][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.986401][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.994620][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.001644][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.009167][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.017435][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.024507][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.032063][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.040130][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.048585][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.055659][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.095636][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.103505][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.111287][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.119666][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.128399][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.136535][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.144522][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.153486][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.161647][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.168702][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.176179][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.184785][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.192927][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.199976][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.207469][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.215648][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.223758][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.231180][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.238795][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.247203][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.255534][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.262592][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.270105][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.278528][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.286872][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.293912][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.301277][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.309966][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.318367][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.325436][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.332882][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.340949][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.349081][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.357234][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.380444][ T334] device veth0_vlan entered promiscuous mode [ 42.393265][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.401773][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.410469][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.418077][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.426339][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.434603][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.442926][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.451294][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.458356][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.465778][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.474178][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.482322][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.489382][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.497089][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.505308][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.513511][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.530782][ T338] device veth0_vlan entered promiscuous mode [ 42.544438][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.552919][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.561136][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.569193][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.587658][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.596162][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.604257][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.611648][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.619608][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.627948][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.636149][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.644663][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.652691][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.666631][ T346] device veth0_vlan entered promiscuous mode [ 42.675864][ T341] device veth0_vlan entered promiscuous mode [ 42.682615][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.691433][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.700162][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.708500][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.716728][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.724343][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.733578][ T338] device veth1_macvtap entered promiscuous mode [ 42.748401][ T334] device veth1_macvtap entered promiscuous mode [ 42.763642][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.772190][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.781225][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.789720][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.797515][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.805758][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.814198][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.822794][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.831081][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.841940][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.850587][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.866410][ T344] device veth0_vlan entered promiscuous mode [ 42.876793][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.885270][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.898112][ T346] device veth1_macvtap entered promiscuous mode [ 42.910550][ T337] device veth0_vlan entered promiscuous mode [ 42.917275][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.925556][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.934521][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.942893][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.951353][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.959405][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.967555][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.975191][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.984071][ T341] device veth1_macvtap entered promiscuous mode [ 42.998895][ T344] device veth1_macvtap entered promiscuous mode [ 43.019334][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.028502][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.037273][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.044297][ T403] loop3: detected capacity change from 0 to 4096 [ 43.047458][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.062167][ T337] device veth1_macvtap entered promiscuous mode [ 43.069545][ T30] kauditd_printk_skb: 14 callbacks suppressed [ 43.069558][ T30] audit: type=1400 audit(1759218385.257:88): avc: denied { mounton } for pid=402 comm="syz-executor.3" path="/root/syzkaller-testdir186885955/syzkaller.LdIuVe/0/file0" dev="sda1" ino=2044 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 43.124328][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.136665][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.142934][ T408] loop1: detected capacity change from 0 to 4096 [ 43.146617][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.160109][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.168824][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.172828][ T403] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.178145][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.190474][ T408] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.196392][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.214807][ T30] audit: type=1400 audit(1759218385.397:89): avc: denied { mount } for pid=402 comm="syz-executor.3" name="/" dev="loop3" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 43.237138][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.263298][ T30] audit: type=1400 audit(1759218385.407:90): avc: denied { write } for pid=402 comm="syz-executor.3" name="/" dev="loop3" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 43.286180][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.304893][ T30] audit: type=1400 audit(1759218385.407:91): avc: denied { add_name } for pid=402 comm="syz-executor.3" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 43.316456][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.326581][ T30] audit: type=1400 audit(1759218385.407:92): avc: denied { create } for pid=402 comm="syz-executor.3" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.337733][ T408] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 450: comm syz-executor.1: lblock 322 mapped to illegal pblock 450 (length 1) [ 43.355301][ T45] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 43.369986][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.383961][ T45] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 43.392351][ T30] audit: type=1400 audit(1759218385.407:93): avc: denied { write open } for pid=402 comm="syz-executor.3" path="/root/syzkaller-testdir186885955/syzkaller.LdIuVe/0/file0/bus" dev="loop3" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.411925][ T45] EXT4-fs (loop3): This should not happen!! Data will be lost [ 43.411925][ T45] [ 43.432357][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.449534][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.458444][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.467132][ T30] audit: type=1400 audit(1759218385.407:94): avc: denied { mounton } for pid=402 comm="syz-executor.3" path="/root/syzkaller-testdir186885955/syzkaller.LdIuVe/0/file0/bus" dev="loop3" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.482335][ T408] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 43.494963][ T30] audit: type=1400 audit(1759218385.407:95): avc: denied { read append } for pid=402 comm="syz-executor.3" path="/root/syzkaller-testdir186885955/syzkaller.LdIuVe/0/file0/memory.current" dev="loop3" ino=19 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.517117][ T408] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 43.537273][ T30] audit: type=1400 audit(1759218385.517:96): avc: denied { unmount } for pid=338 comm="syz-executor.3" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 43.569239][ T408] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 43.582046][ T408] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 43.596685][ T408] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 43.607071][ T408] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 43.644913][ T45] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 43.685753][ T45] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 43.726798][ T416] loop4: detected capacity change from 0 to 4096 [ 43.732147][ T421] loop0: detected capacity change from 0 to 4096 [ 43.739010][ T423] loop3: detected capacity change from 0 to 4096 [ 43.745260][ T422] loop2: detected capacity change from 0 to 4096 [ 43.746513][ T45] EXT4-fs (loop1): This should not happen!! Data will be lost [ 43.746513][ T45] [ 43.780586][ T424] loop5: detected capacity change from 0 to 4096 [ 43.795754][ T416] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.808048][ T423] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.839610][ T422] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.851390][ T421] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.863801][ T424] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.886918][ T423] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 313: comm syz-executor.3: lblock 185 mapped to illegal pblock 313 (length 1) [ 43.948665][ T423] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 43.975357][ T421] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 43.993669][ T422] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 335: comm syz-executor.2: lblock 207 mapped to illegal pblock 335 (length 1) [ 44.015187][ T423] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 44.029348][ T423] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.044574][ T423] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 44.060411][ T45] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 44.080036][ T421] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.080222][ T443] loop1: detected capacity change from 0 to 4096 [ 44.101193][ T423] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.112068][ T426] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 44.123860][ T423] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 44.127094][ T45] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.140321][ T421] EXT4-fs error (device loop0): ext4_dirty_inode:6071: inode #19: comm syz-executor.0: mark_inode_dirty error [ 44.162589][ T421] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 44.171026][ T422] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 44.191493][ T404] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 44.204595][ T45] EXT4-fs (loop4): This should not happen!! Data will be lost [ 44.204595][ T45] [ 44.209129][ T404] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.215292][ T421] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 44.238114][ T422] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 44.240773][ T426] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.254374][ T404] EXT4-fs (loop3): This should not happen!! Data will be lost [ 44.254374][ T404] [ 44.270283][ T426] EXT4-fs (loop5): This should not happen!! Data will be lost [ 44.270283][ T426] [ 44.281549][ T422] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.286051][ T421] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.305716][ T443] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.317711][ T422] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 44.319269][ T421] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 44.344142][ T421] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.356287][ T422] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.366116][ T421] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 44.373609][ T422] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 44.415502][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 44.444482][ T10] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0 [ 44.458463][ T447] loop3: detected capacity change from 0 to 4096 [ 44.473827][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.487596][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 44.487596][ T426] [ 44.491461][ T10] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.510408][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 44.527061][ T449] loop4: detected capacity change from 0 to 4096 [ 44.535938][ T10] EXT4-fs (loop2): This should not happen!! Data will be lost [ 44.535938][ T10] [ 44.557319][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.558340][ T447] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.607422][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 44.607422][ T426] [ 44.627908][ T449] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.675142][ T454] loop5: detected capacity change from 0 to 4096 [ 44.705926][ T458] loop0: detected capacity change from 0 to 4096 [ 44.721361][ T449] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 412: comm syz-executor.4: lblock 284 mapped to illegal pblock 412 (length 1) [ 44.736924][ T449] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 44.756518][ T449] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 44.780053][ T461] loop2: detected capacity change from 0 to 4096 [ 44.799348][ T449] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.809959][ T450] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 44.828874][ T454] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.834668][ T464] loop1: detected capacity change from 0 to 4096 [ 44.849676][ T450] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.865823][ T449] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 44.865994][ T450] EXT4-fs (loop3): This should not happen!! Data will be lost [ 44.865994][ T450] [ 44.887713][ T458] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.921357][ T461] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.921359][ T464] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.944831][ T454] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 249: comm syz-executor.5: lblock 121 mapped to illegal pblock 249 (length 1) [ 44.967461][ T449] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 44.999823][ T464] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 331: comm syz-executor.1: lblock 203 mapped to illegal pblock 331 (length 1) [ 45.013599][ T454] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.039455][ T464] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 45.041421][ T449] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 45.056026][ T461] EXT4-fs error (device loop2): ext4_find_extent:929: inode #19: comm syz-executor.2: pblk 480 bad header/extent: invalid magic - magic 0, entries 0, max 0(0), depth 0(0) [ 45.087177][ T454] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 45.101353][ T461] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.112453][ T461] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 45.115384][ T8] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 45.130553][ T464] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 45.155071][ T404] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 45.172537][ T461] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.179639][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 45.197371][ T454] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.207407][ T464] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.220854][ T461] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 45.232410][ T404] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 45.237443][ T464] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 45.259678][ T476] loop3: detected capacity change from 0 to 4096 [ 45.262339][ T8] EXT4-fs (loop0): This should not happen!! Data will be lost [ 45.262339][ T8] [ 45.266210][ T404] EXT4-fs (loop4): This should not happen!! Data will be lost [ 45.266210][ T404] [ 45.276506][ T454] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 45.285933][ T464] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.322372][ T10] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0 [ 45.351342][ T464] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 45.355233][ T476] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.366047][ T10] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 45.391301][ T10] EXT4-fs (loop2): This should not happen!! Data will be lost [ 45.391301][ T10] [ 45.401417][ T426] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 45.420623][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 45.462375][ T426] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 45.474930][ T426] EXT4-fs (loop5): This should not happen!! Data will be lost [ 45.474930][ T426] [ 45.494187][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 45.516383][ T476] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 336: comm syz-executor.3: lblock 208 mapped to illegal pblock 336 (length 1) [ 45.522882][ T484] loop4: detected capacity change from 0 to 4096 [ 45.543751][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 45.543751][ T404] [ 45.568953][ T484] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.587644][ T481] loop0: detected capacity change from 0 to 4096 [ 45.622840][ T488] loop2: detected capacity change from 0 to 4096 [ 45.647469][ T490] loop5: detected capacity change from 0 to 4096 [ 45.658892][ T484] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.668791][ T476] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 45.684650][ T488] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.695422][ T476] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 45.696521][ T484] EXT4-fs error (device loop4): ext4_write_end:1359: inode #19: comm syz-executor.4: mark_inode_dirty error [ 45.721492][ T476] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.726079][ T481] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.731500][ T476] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 45.763196][ T476] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem 2025/09/30 07:46:28 executed programs: 20 [ 45.769780][ T498] loop1: detected capacity change from 0 to 4096 [ 45.779774][ T490] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.780955][ T488] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 411: comm syz-executor.2: lblock 283 mapped to illegal pblock 411 (length 1) [ 45.807714][ T476] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 45.841182][ T404] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 45.884333][ T488] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 45.902693][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 45.938419][ T488] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 45.949728][ T483] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 45.966244][ T404] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 45.967079][ T488] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 45.984825][ T404] EXT4-fs (loop3): This should not happen!! Data will be lost [ 45.984825][ T404] [ 45.998733][ T450] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.016069][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.021900][ T498] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.028935][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 46.028935][ T426] [ 46.048831][ T483] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 46.062418][ T450] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.101403][ T450] EXT4-fs (loop5): This should not happen!! Data will be lost [ 46.101403][ T450] [ 46.111975][ T488] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 46.131993][ T504] loop3: detected capacity change from 0 to 4096 [ 46.146447][ T488] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 46.153601][ T404] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.170771][ T488] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 46.171118][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.204542][ T404] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.219250][ T504] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.228059][ T508] loop0: detected capacity change from 0 to 4096 [ 46.242926][ T10] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.259290][ T510] loop5: detected capacity change from 0 to 4096 [ 46.262605][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.278389][ T404] EXT4-fs (loop4): This should not happen!! Data will be lost [ 46.278389][ T404] [ 46.294427][ T504] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 46.304607][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 46.304607][ T426] [ 46.314471][ T10] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.332739][ T508] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.339706][ T10] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.339706][ T10] [ 46.355023][ T504] EXT4-fs error (device loop3): ext4_write_end:1359: inode #19: comm syz-executor.3: mark_inode_dirty error [ 46.385903][ T510] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.470801][ T450] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.483215][ T503] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 46.509312][ T517] loop1: detected capacity change from 0 to 4096 [ 46.513562][ T503] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 46.532137][ T450] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.555908][ T450] EXT4-fs (loop0): This should not happen!! Data will be lost [ 46.555908][ T450] [ 46.566936][ T517] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.567418][ T521] loop2: detected capacity change from 0 to 4096 [ 46.598221][ T519] loop4: detected capacity change from 0 to 4096 [ 46.607416][ T426] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.623910][ T426] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.665565][ T519] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.672518][ T426] EXT4-fs (loop3): This should not happen!! Data will be lost [ 46.672518][ T426] [ 46.690681][ T404] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.719859][ T404] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.741088][ T404] EXT4-fs (loop5): This should not happen!! Data will be lost [ 46.741088][ T404] [ 46.765263][ T519] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 411: comm syz-executor.4: lblock 283 mapped to illegal pblock 411 (length 1) [ 46.803436][ T521] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.803795][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 46.830243][ T529] loop0: detected capacity change from 0 to 4096 [ 46.836859][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.862015][ T532] loop3: detected capacity change from 0 to 4096 [ 46.879422][ T519] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 46.882733][ T529] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.893358][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 46.893358][ T404] [ 46.926545][ T521] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 219: comm syz-executor.2: lblock 91 mapped to illegal pblock 219 (length 1) [ 46.929537][ T532] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.947963][ T519] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 46.965665][ T521] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 46.980687][ T521] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 47.025813][ T532] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 466: comm syz-executor.3: lblock 338 mapped to illegal pblock 466 (length 1) [ 47.047114][ T521] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.056843][ T532] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 47.070692][ T519] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.070898][ T519] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 47.113474][ T541] loop5: detected capacity change from 0 to 4096 [ 47.120002][ T529] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.0: bad extent address lblock: 259, depth: 1 pblock 0 [ 47.130570][ T521] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 47.161515][ T541] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.163676][ T543] loop1: detected capacity change from 0 to 4096 [ 47.172462][ T521] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.195586][ T519] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.203705][ T532] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 47.234179][ T529] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 47.248786][ T543] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.258477][ T521] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 47.271241][ T519] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 47.272763][ T532] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.307070][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.324123][ T529] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 47.340188][ T404] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.361467][ T450] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.372305][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.388260][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.388260][ T426] [ 47.391383][ T404] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.399467][ T450] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.416259][ T529] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.426091][ T450] EXT4-fs (loop4): This should not happen!! Data will be lost [ 47.426091][ T450] [ 47.442312][ T404] EXT4-fs (loop5): This should not happen!! Data will be lost [ 47.442312][ T404] [ 47.460551][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.475042][ T529] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 47.487215][ T532] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 47.499870][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.499986][ T529] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.512577][ T532] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 47.522234][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 47.522234][ T404] [ 47.531460][ T529] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 47.583501][ T450] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.601091][ T550] loop2: detected capacity change from 0 to 4096 [ 47.610024][ T532] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 47.625067][ T450] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.642788][ T553] loop4: detected capacity change from 0 to 4096 [ 47.655137][ T450] EXT4-fs (loop0): This should not happen!! Data will be lost [ 47.655137][ T450] [ 47.669008][ T552] loop5: detected capacity change from 0 to 4096 [ 47.683555][ T10] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.684125][ T550] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.748633][ T553] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.768592][ T552] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.780574][ T10] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.813634][ T10] EXT4-fs (loop3): This should not happen!! Data will be lost [ 47.813634][ T10] [ 47.857184][ T558] loop1: detected capacity change from 0 to 4096 [ 47.887652][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.911590][ T558] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.944269][ T10] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.962630][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.992341][ T450] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 47.998106][ T568] loop3: detected capacity change from 0 to 4096 [ 48.012639][ T566] loop0: detected capacity change from 0 to 4096 [ 48.019363][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.019363][ T426] [ 48.029541][ T10] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.042293][ T10] EXT4-fs (loop5): This should not happen!! Data will be lost [ 48.042293][ T10] [ 48.047862][ T450] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.068595][ T450] EXT4-fs (loop4): This should not happen!! Data will be lost [ 48.068595][ T450] [ 48.089613][ T568] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.180499][ T477] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 48.185264][ T575] loop2: detected capacity change from 0 to 4096 [ 48.207788][ T568] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 48.218265][ T566] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.236937][ T577] loop4: detected capacity change from 0 to 4096 [ 48.240779][ T580] loop5: detected capacity change from 0 to 4096 [ 48.264398][ T477] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.266914][ T575] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.284841][ T477] EXT4-fs (loop1): This should not happen!! Data will be lost [ 48.284841][ T477] [ 48.305229][ T568] EXT4-fs error (device loop3): ext4_write_end:1359: inode #19: comm syz-executor.3: mark_inode_dirty error [ 48.333572][ T580] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.379984][ T577] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.429550][ T477] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 48.443831][ T567] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 48.459647][ T588] loop1: detected capacity change from 0 to 4096 [ 48.476677][ T477] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.489862][ T567] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 48.502992][ T588] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.522839][ T477] EXT4-fs (loop0): This should not happen!! Data will be lost [ 48.522839][ T477] [ 48.536324][ T45] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 48.570339][ T577] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 48.597185][ T45] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.614817][ T45] EXT4-fs (loop3): This should not happen!! Data will be lost [ 48.614817][ T45] [ 48.623920][ T477] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 48.659647][ T477] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.660655][ T577] EXT4-fs error (device loop4): ext4_write_end:1359: inode #19: comm syz-executor.4: mark_inode_dirty error [ 48.681894][ T477] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.681894][ T477] [ 48.699207][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 48.724738][ T45] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 48.727471][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.751903][ T10] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0 [ 48.778195][ T45] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.790453][ T593] loop0: detected capacity change from 0 to 4096 [ 48.795893][ T45] EXT4-fs (loop4): This should not happen!! Data will be lost [ 48.795893][ T45] [ 48.808480][ T10] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 48.816247][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 48.816247][ T426] [ 48.839001][ T595] loop3: detected capacity change from 0 to 4096 [ 48.858261][ T10] EXT4-fs (loop5): This should not happen!! Data will be lost [ 48.858261][ T10] [ 48.869613][ T593] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.881283][ T595] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.913203][ T597] loop2: detected capacity change from 0 to 4096 [ 48.926701][ T603] loop4: detected capacity change from 0 to 4096 [ 49.009301][ T597] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.021770][ T45] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.036530][ T603] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.041644][ T608] loop1: detected capacity change from 0 to 4096 [ 49.055268][ T611] loop5: detected capacity change from 0 to 4096 [ 49.073863][ T45] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.082731][ T608] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.086769][ T45] EXT4-fs (loop3): This should not happen!! Data will be lost [ 49.086769][ T45] [ 49.135235][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.150420][ T597] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 274: comm syz-executor.2: lblock 146 mapped to illegal pblock 274 (length 1) [ 49.169548][ T603] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 211: comm syz-executor.4: lblock 83 mapped to illegal pblock 211 (length 1) [ 49.185269][ T608] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 231: comm syz-executor.1: lblock 103 mapped to illegal pblock 231 (length 1) [ 49.206333][ T603] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 49.221368][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.233926][ T597] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 49.233944][ T603] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 49.247754][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 49.247754][ T426] [ 49.264999][ T611] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.288352][ T608] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 49.298832][ T603] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.309292][ T597] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 49.344032][ T597] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.358902][ T603] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 49.376144][ T611] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 420: comm syz-executor.5: lblock 292 mapped to illegal pblock 420 (length 1) [ 49.399848][ T622] loop3: detected capacity change from 0 to 4096 [ 49.441037][ T608] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 49.442540][ T624] loop0: detected capacity change from 0 to 4096 [ 49.454331][ T597] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 49.472477][ T603] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.473921][ T622] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.486504][ T597] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.492613][ T611] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 49.502216][ T608] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.516330][ T603] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 49.530095][ T597] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 49.553234][ T608] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 49.590588][ T611] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 49.595132][ T608] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.609048][ T611] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.623644][ T10] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.623982][ T45] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.657881][ T10] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.659185][ T624] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.670671][ T608] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 49.682106][ T611] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 49.693683][ T45] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.704791][ T426] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.716492][ T45] EXT4-fs (loop3): This should not happen!! Data will be lost [ 49.716492][ T45] [ 49.736813][ T10] EXT4-fs (loop2): This should not happen!! Data will be lost [ 49.736813][ T10] [ 49.750402][ T477] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.754359][ T611] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 49.776348][ T426] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.788902][ T426] EXT4-fs (loop4): This should not happen!! Data will be lost [ 49.788902][ T426] [ 49.798917][ T611] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 49.801238][ T477] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.826958][ T45] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.850550][ T477] EXT4-fs (loop1): This should not happen!! Data will be lost [ 49.850550][ T477] [ 49.860580][ T45] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.895751][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 49.920576][ T45] EXT4-fs (loop5): This should not happen!! Data will be lost [ 49.920576][ T45] [ 49.927160][ T630] loop3: detected capacity change from 0 to 4096 [ 49.945620][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.970146][ T632] loop2: detected capacity change from 0 to 4096 [ 49.971384][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 49.971384][ T426] [ 50.014245][ T630] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.014920][ T632] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.051208][ T640] loop4: detected capacity change from 0 to 4096 [ 50.117440][ T640] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.126456][ T637] loop1: detected capacity change from 0 to 4096 [ 50.167046][ T644] loop0: detected capacity change from 0 to 4096 [ 50.174378][ T645] loop5: detected capacity change from 0 to 4096 [ 50.213688][ T637] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.224394][ T644] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.241576][ T645] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.253282][ T450] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 50.287526][ T45] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 50.326667][ T477] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 50.353436][ T450] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 50.355626][ T45] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 50.394224][ T450] EXT4-fs (loop3): This should not happen!! Data will be lost [ 50.394224][ T450] [ 50.405761][ T645] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 50.415348][ T45] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.415348][ T45] [ 50.419603][ T477] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 50.439084][ T477] EXT4-fs (loop4): This should not happen!! Data will be lost [ 50.439084][ T477] [ 50.452183][ T45] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 50.488158][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 50.511566][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 50.511566][ T45] [ 50.530807][ T645] EXT4-fs error (device loop5): ext4_write_end:1359: inode #19: comm syz-executor.5: mark_inode_dirty error [ 50.559614][ T641] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 50.617423][ T641] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 50.625424][ T657] loop2: detected capacity change from 0 to 4096 [ 50.638542][ T659] loop3: detected capacity change from 0 to 4096 [ 50.650583][ T477] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 50.687631][ T477] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 50.691658][ T661] loop4: detected capacity change from 0 to 4096 [ 50.708256][ T659] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.713739][ T477] EXT4-fs (loop5): This should not happen!! Data will be lost [ 50.713739][ T477] [ 50.720745][ T663] loop0: detected capacity change from 0 to 4096 [ 50.737818][ T657] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.828492][ T659] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 50.832013][ T657] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 258: comm syz-executor.2: lblock 130 mapped to illegal pblock 258 (length 1) [ 50.853950][ T661] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.865064][ T663] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.874838][ T675] loop5: detected capacity change from 0 to 4096 [ 50.882154][ T659] EXT4-fs error (device loop3): ext4_write_end:1359: inode #19: comm syz-executor.3: mark_inode_dirty error 2025/09/30 07:46:33 executed programs: 60 [ 50.921454][ T657] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 50.936635][ T657] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 50.953650][ T450] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 50.983158][ T663] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 271: comm syz-executor.0: lblock 143 mapped to illegal pblock 271 (length 1) [ 50.999164][ T675] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.003463][ T663] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 51.035298][ T657] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 51.038646][ T679] loop1: detected capacity change from 0 to 4096 [ 51.044864][ T663] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 51.071790][ T657] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 51.083827][ T657] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 51.093330][ T450] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.105896][ T450] EXT4-fs (loop3): This should not happen!! Data will be lost [ 51.105896][ T450] [ 51.115580][ T657] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 51.134618][ T663] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 51.153177][ T663] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 51.153936][ T477] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.184735][ T663] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 51.204431][ T477] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.204743][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.232488][ T679] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.270398][ T663] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 51.270949][ T684] loop3: detected capacity change from 0 to 4096 [ 51.289620][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.302889][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 51.302889][ T8] [ 51.309290][ T477] EXT4-fs (loop2): This should not happen!! Data will be lost [ 51.309290][ T477] [ 51.332102][ T654] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.358358][ T679] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 51.364695][ T654] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.381335][ T684] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.381446][ T450] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.409997][ T654] EXT4-fs (loop0): This should not happen!! Data will be lost [ 51.409997][ T654] [ 51.423822][ T679] EXT4-fs error (device loop1): ext4_write_end:1359: inode #19: comm syz-executor.1: mark_inode_dirty error [ 51.441746][ T450] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.461648][ T450] EXT4-fs (loop5): This should not happen!! Data will be lost [ 51.461648][ T450] [ 51.479064][ T684] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 314: comm syz-executor.3: lblock 186 mapped to illegal pblock 314 (length 1) [ 51.503334][ T689] loop4: detected capacity change from 0 to 4096 [ 51.517069][ T677] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 51.532079][ T677] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 51.565138][ T684] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 51.584954][ T692] loop2: detected capacity change from 0 to 4096 [ 51.592739][ T694] loop0: detected capacity change from 0 to 4096 [ 51.599915][ T689] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.619681][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.620750][ T696] loop5: detected capacity change from 0 to 4096 [ 51.658123][ T684] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 51.669018][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.693486][ T684] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 51.694277][ T692] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.714883][ T684] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 51.725529][ T696] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.729781][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 51.729781][ T404] [ 51.747258][ T684] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 51.767006][ T684] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 51.782749][ T654] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.830291][ T404] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.848659][ T692] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 456: comm syz-executor.2: lblock 328 mapped to illegal pblock 456 (length 1) [ 51.872298][ T404] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.886718][ T654] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.930351][ T404] EXT4-fs (loop3): This should not happen!! Data will be lost [ 51.930351][ T404] [ 51.940481][ T654] EXT4-fs (loop4): This should not happen!! Data will be lost [ 51.940481][ T654] [ 51.950487][ T692] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 51.951121][ T477] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 51.968800][ T692] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 51.992435][ T692] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.002807][ T692] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 52.014050][ T708] loop1: detected capacity change from 0 to 4096 [ 52.017126][ T692] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.032093][ T477] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 52.055440][ T477] EXT4-fs (loop5): This should not happen!! Data will be lost [ 52.055440][ T477] [ 52.071453][ T692] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 52.098168][ T404] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 52.130267][ T8] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 52.144460][ T404] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 52.160936][ T711] loop3: detected capacity change from 0 to 4096 [ 52.167515][ T708] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.1: bad extent address lblock: 21, depth: 1 pblock 0 [ 52.176693][ T8] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 52.195309][ T404] EXT4-fs (loop0): This should not happen!! Data will be lost [ 52.195309][ T404] [ 52.215841][ T708] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.230076][ T708] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 52.249328][ T8] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.249328][ T8] [ 52.259150][ T708] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.272080][ T708] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 52.302131][ T715] loop4: detected capacity change from 0 to 4096 [ 52.313144][ T711] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.328366][ T721] loop0: detected capacity change from 0 to 4096 [ 52.336412][ T711] EXT4-fs error (device loop3): ext4_dirty_inode:6071: inode #19: comm syz-executor.3: mark_inode_dirty error [ 52.354102][ T718] loop5: detected capacity change from 0 to 4096 [ 52.360932][ T711] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 52.433234][ T711] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.442968][ T711] EXT4-fs error (device loop3): ext4_dirty_inode:6071: inode #19: comm syz-executor.3: mark_inode_dirty error [ 52.458032][ T8] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 52.462236][ T721] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 369: comm syz-executor.0: lblock 241 mapped to illegal pblock 369 (length 1) [ 52.490949][ T718] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 296: comm syz-executor.5: lblock 168 mapped to illegal pblock 296 (length 1) [ 52.500016][ T8] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 52.518468][ T730] loop2: detected capacity change from 0 to 4096 [ 52.542787][ T8] EXT4-fs (loop1): This should not happen!! Data will be lost [ 52.542787][ T8] [ 52.546397][ T718] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 52.567328][ T715] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 52.584510][ T711] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 52.590762][ T721] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.610628][ T711] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 52.623637][ T718] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 52.641139][ T721] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 52.653192][ T711] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.653286][ T721] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.662819][ T715] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.672394][ T718] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.691153][ T721] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 52.713426][ T711] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 52.723425][ T718] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 52.737629][ T715] EXT4-fs error (device loop4): ext4_dirty_inode:6071: inode #19: comm syz-executor.4: mark_inode_dirty error [ 52.762811][ T715] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 52.767054][ T711] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.786662][ T738] loop1: detected capacity change from 0 to 4096 [ 52.795306][ T8] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 52.811888][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 52.824512][ T715] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 52.837589][ T718] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.838941][ T8] EXT4-fs (loop0): This should not happen!! Data will be lost [ 52.838941][ T8] [ 52.859093][ T477] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 52.881002][ T715] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.882165][ T718] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 52.902782][ T450] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 52.915553][ T477] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 52.916845][ T715] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 52.939940][ T477] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.939940][ T477] [ 52.940237][ T450] EXT4-fs (loop3): This should not happen!! Data will be lost [ 52.940237][ T450] [ 52.959739][ T715] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 52.971356][ T8] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 52.998990][ T715] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 53.033132][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.045694][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 53.045694][ T8] [ 53.071656][ T450] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.088697][ T743] loop0: detected capacity change from 0 to 4096 [ 53.104753][ T450] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.140604][ T654] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.160105][ T450] EXT4-fs (loop4): This should not happen!! Data will be lost [ 53.160105][ T450] [ 53.185868][ T654] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.204629][ T747] loop2: detected capacity change from 0 to 4096 [ 53.205233][ T751] loop3: detected capacity change from 0 to 4096 [ 53.220566][ T745] loop5: detected capacity change from 0 to 4096 [ 53.231081][ T654] EXT4-fs (loop1): This should not happen!! Data will be lost [ 53.231081][ T654] [ 53.293956][ T654] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.322808][ T654] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.335510][ T654] EXT4-fs (loop0): This should not happen!! Data will be lost [ 53.335510][ T654] [ 53.418872][ T8] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.451862][ T761] loop1: detected capacity change from 0 to 4096 [ 53.466100][ T8] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.479927][ T760] loop4: detected capacity change from 0 to 4096 [ 53.494442][ T8] EXT4-fs (loop3): This should not happen!! Data will be lost [ 53.494442][ T8] [ 53.518004][ T763] loop0: detected capacity change from 0 to 4096 [ 53.554262][ T450] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.593042][ T654] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.608043][ T450] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.633337][ T761] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 265: comm syz-executor.1: lblock 137 mapped to illegal pblock 265 (length 1) [ 53.639942][ T770] loop3: detected capacity change from 0 to 4096 [ 53.653025][ T654] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.656940][ T450] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.656940][ T450] [ 53.677156][ T763] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 53.684479][ T654] EXT4-fs (loop5): This should not happen!! Data will be lost [ 53.684479][ T654] [ 53.713254][ T761] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 53.745254][ T763] EXT4-fs error (device loop0): ext4_write_end:1359: inode #19: comm syz-executor.0: mark_inode_dirty error [ 53.759414][ T761] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 53.778957][ T761] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 53.791507][ T761] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 53.804799][ T761] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 53.833665][ T654] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.848341][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.854233][ T761] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 53.866873][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.886620][ T654] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.895633][ T778] loop2: detected capacity change from 0 to 4096 [ 53.904362][ T776] loop5: detected capacity change from 0 to 4096 [ 53.912982][ T477] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 53.913330][ T654] EXT4-fs (loop0): This should not happen!! Data will be lost [ 53.913330][ T654] [ 53.958871][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 53.958871][ T8] [ 53.974953][ T477] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.987417][ T477] EXT4-fs (loop1): This should not happen!! Data will be lost [ 53.987417][ T477] [ 54.003131][ T426] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.047076][ T426] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 54.057174][ T776] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 408: comm syz-executor.5: lblock 280 mapped to illegal pblock 408 (length 1) [ 54.084761][ T776] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 54.107229][ T426] EXT4-fs (loop3): This should not happen!! Data will be lost [ 54.107229][ T426] [ 54.125526][ T778] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 145: comm syz-executor.2: lblock 17 mapped to illegal pblock 145 (length 1) [ 54.152409][ T789] loop4: detected capacity change from 0 to 4096 [ 54.172981][ T788] loop1: detected capacity change from 0 to 4096 [ 54.179723][ T776] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 54.195999][ T776] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 54.224384][ T791] loop0: detected capacity change from 0 to 4096 [ 54.237833][ T776] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 54.237937][ T778] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 54.261787][ T776] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 54.271671][ T778] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 54.283945][ T776] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 54.298269][ T789] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 362: comm syz-executor.4: lblock 234 mapped to illegal pblock 362 (length 1) [ 54.323673][ T654] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.337947][ T778] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 54.365698][ T654] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 54.385040][ T778] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 54.397312][ T477] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.400579][ T798] loop3: detected capacity change from 0 to 4096 [ 54.432799][ T654] EXT4-fs (loop5): This should not happen!! Data will be lost [ 54.432799][ T654] [ 54.446940][ T789] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 54.463517][ T8] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.478953][ T477] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 54.494192][ T477] EXT4-fs (loop1): This should not happen!! Data will be lost [ 54.494192][ T477] [ 54.497086][ T8] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 54.534542][ T789] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 54.548070][ T8] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.548070][ T8] [ 54.562456][ T450] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.597672][ T789] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 54.617464][ T450] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 54.623910][ T789] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 54.661812][ T805] loop5: detected capacity change from 0 to 4096 [ 54.668994][ T450] EXT4-fs (loop0): This should not happen!! Data will be lost [ 54.668994][ T450] [ 54.700837][ T807] loop2: detected capacity change from 0 to 4096 [ 54.709260][ T789] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 54.719441][ T789] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 54.720417][ T426] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.762278][ T808] loop1: detected capacity change from 0 to 4096 [ 54.773789][ T426] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 54.788760][ T654] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.801256][ T426] EXT4-fs (loop3): This should not happen!! Data will be lost [ 54.801256][ T426] [ 54.822557][ T654] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 54.849312][ T654] EXT4-fs (loop4): This should not happen!! Data will be lost [ 54.849312][ T654] [ 54.897481][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 54.902732][ T816] loop0: detected capacity change from 0 to 4096 [ 54.989661][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.004407][ T821] loop3: detected capacity change from 0 to 4096 [ 55.020622][ T8] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.031815][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.031815][ T426] [ 55.044858][ T823] loop4: detected capacity change from 0 to 4096 [ 55.076468][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.091764][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 55.091764][ T8] [ 55.105076][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.152179][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.168929][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 55.168929][ T426] [ 55.179438][ T8] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.231729][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.249724][ T821] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 316: comm syz-executor.3: lblock 188 mapped to illegal pblock 316 (length 1) [ 55.266898][ T8] EXT4-fs (loop0): This should not happen!! Data will be lost [ 55.266898][ T8] [ 55.280009][ T821] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 55.295067][ T426] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.303352][ T821] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 55.315030][ T829] loop5: detected capacity change from 0 to 4096 [ 55.324992][ T831] loop2: detected capacity change from 0 to 4096 [ 55.336341][ T821] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 55.348679][ T426] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.367741][ T426] EXT4-fs (loop4): This should not happen!! Data will be lost [ 55.367741][ T426] [ 55.370383][ T821] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 55.421507][ T840] loop0: detected capacity change from 0 to 4096 [ 55.431464][ T821] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 55.450970][ T837] loop1: detected capacity change from 0 to 4096 [ 55.473255][ T821] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 55.484458][ T831] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 285: comm syz-executor.2: lblock 157 mapped to illegal pblock 285 (length 1) [ 55.514360][ T450] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.537666][ T831] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 55.567758][ T831] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 55.582352][ T450] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.609757][ T840] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 357: comm syz-executor.0: lblock 229 mapped to illegal pblock 357 (length 1) [ 55.632115][ T450] EXT4-fs (loop3): This should not happen!! Data will be lost [ 55.632115][ T450] [ 55.642055][ T831] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 55.642721][ T654] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.661680][ T831] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 55.679569][ T848] loop4: detected capacity change from 0 to 4096 [ 55.702412][ T831] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 55.706992][ T654] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.716150][ T831] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 55.738899][ T840] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 55.752472][ T654] EXT4-fs (loop5): This should not happen!! Data will be lost [ 55.752472][ T654] [ 55.767570][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.767977][ T840] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 55.791842][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.806532][ T840] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 55.816503][ T840] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 55.818349][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.818349][ T426] [ 55.838959][ T450] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0 [ 55.865558][ T853] loop3: detected capacity change from 0 to 4096 [ 55.887609][ T840] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 55.899873][ T450] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 55.913043][ T840] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error 2025/09/30 07:46:38 executed programs: 101 [ 55.976508][ T450] EXT4-fs (loop1): This should not happen!! Data will be lost [ 55.976508][ T450] [ 55.994004][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.001217][ T858] loop5: detected capacity change from 0 to 4096 [ 56.015593][ T654] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.045639][ T859] loop2: detected capacity change from 0 to 4096 [ 56.053459][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.070082][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 56.070082][ T426] [ 56.074061][ T477] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.081860][ T654] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.102300][ T477] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.118673][ T477] EXT4-fs (loop4): This should not happen!! Data will be lost [ 56.118673][ T477] [ 56.143348][ T654] EXT4-fs (loop3): This should not happen!! Data will be lost [ 56.143348][ T654] [ 56.261579][ T866] loop4: detected capacity change from 0 to 4096 [ 56.268312][ T868] loop1: detected capacity change from 0 to 4096 [ 56.291117][ T871] loop3: detected capacity change from 0 to 4096 [ 56.329950][ T872] loop0: detected capacity change from 0 to 4096 [ 56.344656][ T654] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.393800][ T654] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.430610][ T872] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 361: comm syz-executor.0: lblock 233 mapped to illegal pblock 361 (length 1) [ 56.460393][ T654] EXT4-fs (loop5): This should not happen!! Data will be lost [ 56.460393][ T654] [ 56.461052][ T8] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.492211][ T872] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 56.519335][ T404] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.539218][ T8] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.552318][ T8] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.552318][ T8] [ 56.557677][ T404] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.584347][ T404] EXT4-fs (loop3): This should not happen!! Data will be lost [ 56.584347][ T404] [ 56.594715][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.613982][ T477] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.642717][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.655416][ T477] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.659878][ T883] loop5: detected capacity change from 0 to 4096 [ 56.675246][ T872] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 56.687835][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 56.687835][ T426] [ 56.689696][ T872] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 56.698327][ T477] EXT4-fs (loop4): This should not happen!! Data will be lost [ 56.698327][ T477] [ 56.708225][ T872] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 56.753831][ T872] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 56.807229][ T887] loop2: detected capacity change from 0 to 4096 [ 56.816274][ T872] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 56.838559][ T477] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.896258][ T477] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 56.910246][ T477] EXT4-fs (loop0): This should not happen!! Data will be lost [ 56.910246][ T477] [ 56.936767][ T45] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 56.950125][ T895] loop3: detected capacity change from 0 to 4096 [ 56.960558][ T887] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 411: comm syz-executor.2: lblock 283 mapped to illegal pblock 411 (length 1) [ 56.976318][ T887] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 56.986047][ T45] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.002905][ T894] loop1: detected capacity change from 0 to 4096 [ 57.009725][ T887] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 57.025300][ T45] EXT4-fs (loop5): This should not happen!! Data will be lost [ 57.025300][ T45] [ 57.035149][ T887] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 57.040403][ T896] loop4: detected capacity change from 0 to 4096 [ 57.052576][ T887] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 57.126364][ T887] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 57.148032][ T894] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 454: comm syz-executor.1: lblock 326 mapped to illegal pblock 454 (length 1) [ 57.163614][ T894] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 57.178628][ T894] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 57.179386][ T654] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.225022][ T894] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 57.238228][ T908] loop5: detected capacity change from 0 to 4096 [ 57.245491][ T887] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 57.263798][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.274376][ T654] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.304358][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.313829][ T905] loop0: detected capacity change from 0 to 4096 [ 57.317200][ T894] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 57.335749][ T894] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 57.345402][ T894] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 57.354657][ T654] EXT4-fs (loop3): This should not happen!! Data will be lost [ 57.354657][ T654] [ 57.377449][ T45] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.400002][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.400002][ T426] [ 57.408794][ T908] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 459: comm syz-executor.5: lblock 331 mapped to illegal pblock 459 (length 1) [ 57.412584][ T45] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.437329][ T45] EXT4-fs (loop1): This should not happen!! Data will be lost [ 57.437329][ T45] [ 57.501797][ T916] loop3: detected capacity change from 0 to 4096 [ 57.509010][ T404] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.509510][ T908] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 57.556451][ T404] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.578490][ T908] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 57.606226][ T8] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.620665][ T908] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 57.622987][ T404] EXT4-fs (loop4): This should not happen!! Data will be lost [ 57.622987][ T404] [ 57.640095][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.640613][ T919] loop2: detected capacity change from 0 to 4096 [ 57.652784][ T908] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 57.683373][ T8] EXT4-fs (loop0): This should not happen!! Data will be lost [ 57.683373][ T8] [ 57.715354][ T908] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 57.728771][ T908] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 57.748195][ T45] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.771889][ T925] loop1: detected capacity change from 0 to 4096 [ 57.803043][ T927] loop4: detected capacity change from 0 to 4096 [ 57.817411][ T45] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.830300][ T45] EXT4-fs (loop3): This should not happen!! Data will be lost [ 57.830300][ T45] [ 57.847997][ T929] loop0: detected capacity change from 0 to 4096 [ 57.863769][ T404] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.881199][ T919] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 478: comm syz-executor.2: lblock 350 mapped to illegal pblock 478 (length 1) [ 57.923903][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 57.939295][ T925] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 453: comm syz-executor.1: lblock 325 mapped to illegal pblock 453 (length 1) [ 57.961290][ T404] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.975196][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 57.992509][ T919] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.043240][ T404] EXT4-fs (loop5): This should not happen!! Data will be lost [ 58.043240][ T404] [ 58.046122][ T925] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 58.071948][ T939] loop3: detected capacity change from 0 to 4096 [ 58.079099][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 58.079099][ T8] [ 58.092922][ T929] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 336: comm syz-executor.0: lblock 208 mapped to illegal pblock 336 (length 1) [ 58.096358][ T919] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 58.120183][ T919] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.130465][ T919] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 58.142378][ T925] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 58.155959][ T929] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 58.213868][ T45] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.227964][ T929] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 58.245540][ T946] loop5: detected capacity change from 0 to 4096 [ 58.251885][ T925] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.252079][ T925] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 58.273688][ T45] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 58.298209][ T929] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.303115][ T45] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.303115][ T45] [ 58.313494][ T925] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.327406][ T929] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 58.334120][ T426] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.339852][ T929] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.359821][ T945] loop4: detected capacity change from 0 to 4096 [ 58.367426][ T929] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 58.385663][ T925] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 58.389755][ T426] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 58.410461][ T426] EXT4-fs (loop3): This should not happen!! Data will be lost [ 58.410461][ T426] [ 58.414558][ T45] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.477986][ T951] loop2: detected capacity change from 0 to 4096 [ 58.485623][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 58.499596][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.509432][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 58.509432][ T45] [ 58.543285][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 58.563372][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 58.563372][ T426] [ 58.608769][ T8] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.638453][ T945] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 179: comm syz-executor.4: lblock 51 mapped to illegal pblock 179 (length 1) [ 58.671219][ T957] loop0: detected capacity change from 0 to 4096 [ 58.684438][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 58.707341][ T477] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.708830][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 58.708830][ T8] [ 58.725949][ T959] loop3: detected capacity change from 0 to 4096 [ 58.752412][ T945] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.777604][ T477] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 58.790370][ T477] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.790370][ T477] [ 58.800969][ T945] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 58.823913][ T945] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 58.856717][ T945] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 58.887168][ T426] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.902645][ T965] loop5: detected capacity change from 0 to 4096 [ 58.922303][ T426] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 58.924267][ T964] loop1: detected capacity change from 0 to 4096 [ 58.942782][ T426] EXT4-fs (loop4): This should not happen!! Data will be lost [ 58.942782][ T426] [ 58.956597][ T477] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 58.998850][ T477] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.011553][ T477] EXT4-fs (loop0): This should not happen!! Data will be lost [ 59.011553][ T477] [ 59.032649][ T654] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.066950][ T654] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.096687][ T973] loop2: detected capacity change from 0 to 4096 [ 59.125851][ T965] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.5: bad extent address lblock: 331, depth: 1 pblock 0 [ 59.155440][ T965] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 59.182403][ T975] loop0: detected capacity change from 0 to 4096 [ 59.182495][ T978] loop4: detected capacity change from 0 to 4096 [ 59.189836][ T654] EXT4-fs (loop3): This should not happen!! Data will be lost [ 59.189836][ T654] [ 59.228297][ T965] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 59.250462][ T965] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.273024][ T965] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 59.286298][ T654] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.300739][ T965] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.319594][ T973] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 351: comm syz-executor.2: lblock 223 mapped to illegal pblock 351 (length 1) [ 59.327526][ T654] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.336440][ T975] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.357669][ T654] EXT4-fs (loop1): This should not happen!! Data will be lost [ 59.357669][ T654] [ 59.371283][ T978] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 281: comm syz-executor.4: lblock 153 mapped to illegal pblock 281 (length 1) [ 59.390392][ T965] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 59.400571][ T988] loop3: detected capacity change from 0 to 4096 [ 59.427514][ T978] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 59.465314][ T45] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.466721][ T973] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 59.487613][ T975] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 59.517218][ T992] loop1: detected capacity change from 0 to 4096 [ 59.526174][ T973] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 59.533688][ T978] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 59.552508][ T45] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.566735][ T973] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.567863][ T978] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.585758][ T45] EXT4-fs (loop5): This should not happen!! Data will be lost [ 59.585758][ T45] [ 59.594103][ T975] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.603001][ T973] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 59.615557][ T975] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 59.633418][ T978] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 59.646080][ T973] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.656377][ T978] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 59.669525][ T973] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 59.680884][ T978] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 59.703797][ T477] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.718943][ T45] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.736609][ T45] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.749438][ T477] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.764592][ T654] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.780083][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.780549][ T997] loop5: detected capacity change from 0 to 4096 [ 59.801789][ T45] EXT4-fs (loop3): This should not happen!! Data will be lost [ 59.801789][ T45] [ 59.813498][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.833590][ T477] EXT4-fs (loop0): This should not happen!! Data will be lost [ 59.833590][ T477] [ 59.848607][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 59.848607][ T8] [ 59.858724][ T654] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.873055][ T477] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 59.893209][ T654] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.893209][ T654] [ 59.894270][ T477] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 59.916098][ T477] EXT4-fs (loop1): This should not happen!! Data will be lost [ 59.916098][ T477] [ 59.951230][ T999] loop3: detected capacity change from 0 to 4096 [ 60.016378][ T1005] loop4: detected capacity change from 0 to 4096 [ 60.027763][ T1003] loop0: detected capacity change from 0 to 4096 [ 60.043207][ T1008] loop2: detected capacity change from 0 to 4096 [ 60.048468][ T997] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.085789][ T1013] loop1: detected capacity change from 0 to 4096 [ 60.140965][ T999] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.154904][ T997] EXT4-fs error (device loop5): ext4_dirty_inode:6071: inode #19: comm syz-executor.5: mark_inode_dirty error [ 60.172382][ T1003] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.195623][ T1005] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 394: comm syz-executor.4: lblock 266 mapped to illegal pblock 394 (length 1) [ 60.225094][ T997] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 60.228744][ T1003] EXT4-fs error (device loop0): __ext4_ext_dirty:183: inode #19: comm syz-executor.0: mark_inode_dirty error [ 60.241243][ T999] EXT4-fs error (device loop3): ext4_write_end:1359: inode #19: comm syz-executor.3: mark_inode_dirty error [ 60.294001][ T1005] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 60.316193][ T1003] EXT4-fs error (device loop0) in ext4_ext_insert_index:1033: Corrupt filesystem [ 60.320148][ T997] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.337673][ T1005] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 60.352484][ T997] EXT4-fs error (device loop5): ext4_dirty_inode:6071: inode #19: comm syz-executor.5: mark_inode_dirty error [ 60.365220][ T654] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 60.380068][ T1003] EXT4-fs error (device loop0): ext4_free_blocks:6218: comm syz-executor.0: Freeing blocks not in datazone - block = 480, count = 1 [ 60.384892][ T1005] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.404097][ T654] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 60.407200][ T997] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 60.424139][ T654] EXT4-fs (loop2): This should not happen!! Data will be lost [ 60.424139][ T654] [ 60.432266][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 60.448842][ T1005] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 60.465861][ T1003] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.465904][ T1005] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.485294][ T1003] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 60.485887][ T404] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 60.485909][ T1005] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 60.512342][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 60.535546][ T997] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 60.538360][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 60.538360][ T426] [ 60.556207][ T404] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 60.566983][ T997] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.570788][ T1003] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.602889][ T1025] loop2: detected capacity change from 0 to 4096 [ 60.604733][ T997] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 60.617653][ T404] EXT4-fs (loop3): This should not happen!! Data will be lost [ 60.617653][ T404] [ 60.622134][ T997] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 60.633007][ T1003] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 60.674051][ T404] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 60.692991][ T477] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 60.701415][ T1027] loop1: detected capacity change from 0 to 4096 [ 60.707164][ T477] EXT4-fs (loop5): This should not happen!! Data will be lost [ 60.707164][ T477] [ 60.732351][ T404] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 60.733901][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 60.753100][ T404] EXT4-fs (loop4): This should not happen!! Data will be lost [ 60.753100][ T404] [ 60.776660][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 60.794258][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 60.794258][ T426] [ 60.822784][ T1029] loop3: detected capacity change from 0 to 4096 [ 60.904774][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 60.932785][ T477] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 60.960454][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 60.979079][ T1039] loop0: detected capacity change from 0 to 4096 [ 60.993348][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 60.993348][ T426] [ 61.003593][ T477] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 61.012558][ T1035] loop5: detected capacity change from 0 to 4096 [ 61.023250][ T1029] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 342: comm syz-executor.3: lblock 214 mapped to illegal pblock 342 (length 1) [ 61.038981][ T1029] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 61.053139][ T477] EXT4-fs (loop1): This should not happen!! Data will be lost [ 61.053139][ T477] [ 61.068415][ T1042] loop4: detected capacity change from 0 to 4096 [ 61.078361][ T1029] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 61.143883][ T1029] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 61.187054][ T1050] loop2: detected capacity change from 0 to 4096 [ 61.194004][ T1029] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 61.219193][ T1042] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 392: comm syz-executor.4: lblock 264 mapped to illegal pblock 392 (length 1) [ 61.250008][ T1053] loop1: detected capacity change from 0 to 4096 [ 61.253545][ T1029] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem 2025/09/30 07:46:43 executed programs: 143 [ 61.313258][ T1042] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 61.330342][ T1029] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 61.343223][ T45] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 61.361834][ T45] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 61.375952][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 61.390254][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 61.403574][ T45] EXT4-fs (loop5): This should not happen!! Data will be lost [ 61.403574][ T45] [ 61.413433][ T1042] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 61.413992][ T654] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 61.441665][ T404] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 61.450881][ T1042] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 61.465729][ T1053] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 173: comm syz-executor.1: lblock 45 mapped to illegal pblock 173 (length 1) [ 61.493333][ T404] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 61.496769][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 61.496769][ T426] [ 61.506275][ T404] EXT4-fs (loop3): This should not happen!! Data will be lost [ 61.506275][ T404] [ 61.516055][ T1053] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 61.527177][ T654] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 61.542859][ T1042] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 61.551619][ T654] EXT4-fs (loop0): This should not happen!! Data will be lost [ 61.551619][ T654] [ 61.583856][ T1053] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 61.599737][ T1053] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 61.609639][ T1053] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 61.624270][ T1042] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 61.652649][ T1042] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 61.670044][ T1063] loop5: detected capacity change from 0 to 4096 [ 61.680555][ T1061] loop3: detected capacity change from 0 to 4096 [ 61.693383][ T1053] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 61.715974][ T404] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 61.717826][ T1065] loop2: detected capacity change from 0 to 4096 [ 61.751346][ T404] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 61.760594][ T1067] loop0: detected capacity change from 0 to 4096 [ 61.773713][ T404] EXT4-fs (loop4): This should not happen!! Data will be lost [ 61.773713][ T404] [ 61.799702][ T1053] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 61.872317][ T654] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 61.905004][ T1061] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 61.951756][ T654] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 61.965982][ T426] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 61.968590][ T1077] loop4: detected capacity change from 0 to 4096 [ 61.996841][ T654] EXT4-fs (loop1): This should not happen!! Data will be lost [ 61.996841][ T654] [ 61.998728][ T426] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.013430][ T1061] EXT4-fs error (device loop3): ext4_write_end:1359: inode #19: comm syz-executor.3: mark_inode_dirty error [ 62.050016][ T426] EXT4-fs (loop5): This should not happen!! Data will be lost [ 62.050016][ T426] [ 62.062429][ T404] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.062584][ T1060] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 62.095470][ T477] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.123347][ T1060] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 62.138217][ T404] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.155203][ T426] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.169579][ T477] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.197465][ T404] EXT4-fs (loop0): This should not happen!! Data will be lost [ 62.197465][ T404] [ 62.213859][ T654] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.220923][ T477] EXT4-fs (loop2): This should not happen!! Data will be lost [ 62.220923][ T477] [ 62.237721][ T426] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.250148][ T426] EXT4-fs (loop3): This should not happen!! Data will be lost [ 62.250148][ T426] [ 62.272033][ T1082] loop1: detected capacity change from 0 to 4096 [ 62.281197][ T654] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.295133][ T654] EXT4-fs (loop4): This should not happen!! Data will be lost [ 62.295133][ T654] [ 62.301296][ T1085] loop5: detected capacity change from 0 to 4096 [ 62.399354][ T1089] loop2: detected capacity change from 0 to 4096 [ 62.423535][ T1091] loop3: detected capacity change from 0 to 4096 [ 62.453509][ T654] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.470123][ T1085] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 249: comm syz-executor.5: lblock 121 mapped to illegal pblock 249 (length 1) [ 62.491950][ T654] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.515797][ T654] EXT4-fs (loop1): This should not happen!! Data will be lost [ 62.515797][ T654] [ 62.520129][ T1095] loop0: detected capacity change from 0 to 4096 [ 62.537836][ T1085] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 62.558713][ T1091] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 62.603994][ T1102] loop4: detected capacity change from 0 to 4096 [ 62.612852][ T1085] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 62.627038][ T1091] EXT4-fs error (device loop3): ext4_write_end:1359: inode #19: comm syz-executor.3: mark_inode_dirty error [ 62.638897][ T1085] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 62.649168][ T1085] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 62.664083][ T404] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.688694][ T404] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.706657][ T477] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.715083][ T404] EXT4-fs (loop2): This should not happen!! Data will be lost [ 62.715083][ T404] [ 62.722160][ T1090] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 62.780192][ T477] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.809641][ T1095] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 62.822506][ T1107] loop1: detected capacity change from 0 to 4096 [ 62.823408][ T1090] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 62.851020][ T1111] loop2: detected capacity change from 0 to 4096 [ 62.858631][ T477] EXT4-fs (loop5): This should not happen!! Data will be lost [ 62.858631][ T477] [ 62.868561][ T1095] EXT4-fs error (device loop0): ext4_write_end:1359: inode #19: comm syz-executor.0: mark_inode_dirty error [ 62.894627][ T426] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.909104][ T477] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 62.927861][ T1094] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 62.942789][ T477] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.962801][ T426] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 62.990900][ T477] EXT4-fs (loop3): This should not happen!! Data will be lost [ 62.990900][ T477] [ 62.996516][ T426] EXT4-fs (loop4): This should not happen!! Data will be lost [ 62.996516][ T426] [ 63.010600][ T1111] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 390: comm syz-executor.2: lblock 262 mapped to illegal pblock 390 (length 1) [ 63.026766][ T1094] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 63.036734][ T1111] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 63.057811][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 63.075625][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 63.082894][ T1118] loop5: detected capacity change from 0 to 4096 [ 63.098681][ T1107] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 442: comm syz-executor.1: lblock 314 mapped to illegal pblock 442 (length 1) [ 63.114251][ T1107] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 63.116138][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 63.116138][ T426] [ 63.129593][ T1107] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 63.185520][ T1107] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.208059][ T1111] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 63.214606][ T1107] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 63.249508][ T1111] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.263896][ T1118] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 335: comm syz-executor.5: lblock 207 mapped to illegal pblock 335 (length 1) [ 63.276961][ T1129] loop0: detected capacity change from 0 to 4096 [ 63.285292][ T1111] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 63.292294][ T1107] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.308143][ T1111] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.315565][ T1127] loop3: detected capacity change from 0 to 4096 [ 63.331299][ T1111] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 63.339836][ T1124] loop4: detected capacity change from 0 to 4096 [ 63.349802][ T1118] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 63.363467][ T1107] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 63.408564][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 63.434935][ T654] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 63.449503][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 63.478805][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 63.478805][ T404] [ 63.484220][ T1118] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 63.495889][ T654] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 63.511195][ T1127] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 343: comm syz-executor.3: lblock 215 mapped to illegal pblock 343 (length 1) [ 63.523804][ T654] EXT4-fs (loop2): This should not happen!! Data will be lost [ 63.523804][ T654] [ 63.532680][ T1124] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 293: comm syz-executor.4: lblock 165 mapped to illegal pblock 293 (length 1) [ 63.553965][ T45] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 63.568526][ T1118] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.578330][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 63.578477][ T1118] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 63.604042][ T1118] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.607585][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 63.607585][ T45] [ 63.628635][ T1127] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 63.665190][ T1124] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 63.677641][ T1139] loop1: detected capacity change from 0 to 4096 [ 63.692180][ T1127] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 63.714901][ T1127] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.719216][ T1124] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 63.737875][ T1118] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 63.750271][ T1124] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.760238][ T1124] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 63.774642][ T426] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 63.796469][ T1142] loop2: detected capacity change from 0 to 4096 [ 63.826206][ T426] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 63.828798][ T1145] loop0: detected capacity change from 0 to 4096 [ 63.847681][ T1127] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 63.860673][ T1124] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.873144][ T426] EXT4-fs (loop5): This should not happen!! Data will be lost [ 63.873144][ T426] [ 63.885070][ T1127] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 63.895053][ T1124] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 63.913338][ T1127] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 63.931377][ T426] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 63.945945][ T426] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 63.956142][ T1142] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 300: comm syz-executor.2: lblock 172 mapped to illegal pblock 300 (length 1) [ 63.973843][ T654] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 63.987647][ T1145] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.0: bad extent address lblock: 251, depth: 1 pblock 0 [ 63.993303][ T654] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.015535][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.023188][ T426] EXT4-fs (loop4): This should not happen!! Data will be lost [ 64.023188][ T426] [ 64.042105][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.063366][ T1145] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 64.069631][ T1142] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 64.083362][ T654] EXT4-fs (loop3): This should not happen!! Data will be lost [ 64.083362][ T654] [ 64.087017][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 64.087017][ T404] [ 64.099221][ T1153] loop5: detected capacity change from 0 to 4096 [ 64.113315][ T1145] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 64.150278][ T1142] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 64.151456][ T1145] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 64.180409][ T1142] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 64.196674][ T1145] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 64.209318][ T1142] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 64.211418][ T1155] loop4: detected capacity change from 0 to 4096 [ 64.228359][ T1142] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 64.261425][ T1159] loop1: detected capacity change from 0 to 4096 [ 64.270599][ T8] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.303271][ T1142] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 64.331341][ T1161] loop3: detected capacity change from 0 to 4096 [ 64.357638][ T404] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.373750][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.394436][ T45] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.400490][ T8] EXT4-fs (loop0): This should not happen!! Data will be lost [ 64.400490][ T8] [ 64.418412][ T1155] EXT4-fs error (device loop4): __ext4_get_inode_loc:4352: comm syz-executor.4: Invalid inode table block 0 in block_group 0 [ 64.421367][ T404] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.438128][ T45] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.446262][ T404] EXT4-fs (loop2): This should not happen!! Data will be lost [ 64.446262][ T404] [ 64.474063][ T45] EXT4-fs (loop5): This should not happen!! Data will be lost [ 64.474063][ T45] [ 64.476097][ T1155] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 64.523249][ T1155] EXT4-fs error (device loop4): ext4_write_end:1359: inode #19: comm syz-executor.4: mark_inode_dirty error [ 64.564195][ T404] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.625416][ T404] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.638459][ T404] EXT4-fs (loop4): This should not happen!! Data will be lost [ 64.638459][ T404] [ 64.639281][ T477] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.652266][ T1170] loop2: detected capacity change from 0 to 4096 [ 64.684283][ T1172] loop0: detected capacity change from 0 to 4096 [ 64.703240][ T477] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.726806][ T477] EXT4-fs (loop3): This should not happen!! Data will be lost [ 64.726806][ T477] [ 64.738215][ T1174] loop5: detected capacity change from 0 to 4096 [ 64.747227][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.783295][ T1177] loop4: detected capacity change from 0 to 4096 [ 64.789929][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 64.833828][ T1170] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 451: comm syz-executor.2: lblock 323 mapped to illegal pblock 451 (length 1) [ 64.856243][ T1172] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 249: comm syz-executor.0: lblock 121 mapped to illegal pblock 249 (length 1) [ 64.871491][ T1170] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 64.896032][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 64.896032][ T404] [ 64.931923][ T1170] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 64.942050][ T1174] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.5: bad extent address lblock: 153, depth: 1 pblock 0 [ 64.945144][ T1172] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 64.985818][ T1170] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 64.988833][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 64.995492][ T1174] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 65.027215][ T1172] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 65.036160][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.052295][ T1189] loop3: detected capacity change from 0 to 4096 [ 65.059599][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 65.059599][ T8] [ 65.070567][ T1172] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 65.080218][ T1174] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 65.088480][ T1172] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 65.108975][ T1174] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 65.113805][ T1170] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 65.130795][ T1174] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 65.156422][ T477] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.170698][ T1170] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 65.176961][ T1195] loop4: detected capacity change from 0 to 4096 [ 65.190385][ T1191] loop1: detected capacity change from 0 to 4096 [ 65.205297][ T1170] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 65.220550][ T1174] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 65.237483][ T477] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.252703][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.262887][ T1196] EXT4-fs warning (device loop4): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 65.291779][ T1174] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 65.294389][ T477] EXT4-fs (loop0): This should not happen!! Data will be lost [ 65.294389][ T477] [ 65.315600][ T45] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.332345][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.358430][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 65.358430][ T426] [ 65.368272][ T45] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.368670][ T8] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.401367][ T45] EXT4-fs (loop4): This should not happen!! Data will be lost [ 65.401367][ T45] [ 65.411227][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.423812][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 65.423812][ T8] [ 65.483511][ T477] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.501219][ T1202] loop0: detected capacity change from 0 to 4096 [ 65.511021][ T477] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.524586][ T477] EXT4-fs (loop3): This should not happen!! Data will be lost [ 65.524586][ T477] [ 65.536081][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.604208][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.616896][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 65.616896][ T426] [ 65.648592][ T1209] loop4: detected capacity change from 0 to 4096 [ 65.658470][ T1202] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.0: bad extent address lblock: 209, depth: 1 pblock 0 [ 65.664394][ T1208] loop2: detected capacity change from 0 to 4096 [ 65.676946][ T1210] loop5: detected capacity change from 0 to 4096 [ 65.719363][ T1202] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 65.735828][ T1213] loop1: detected capacity change from 0 to 4096 [ 65.746550][ T1202] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 65.770790][ T1215] loop3: detected capacity change from 0 to 4096 [ 65.775373][ T1202] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 65.844803][ T1202] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 65.857381][ T1210] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 65.868229][ T1202] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 65.878498][ T1202] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 65.891666][ T477] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.913197][ T1210] EXT4-fs error (device loop5): ext4_write_end:1359: inode #19: comm syz-executor.5: mark_inode_dirty error [ 65.957211][ T477] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 65.970650][ T404] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 65.976815][ T1206] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 65.996618][ T404] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.011316][ T426] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.011334][ T404] EXT4-fs (loop2): This should not happen!! Data will be lost [ 66.011334][ T404] [ 66.011562][ T426] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.032575][ T477] EXT4-fs (loop4): This should not happen!! Data will be lost [ 66.032575][ T477] [ 66.065332][ T1206] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 66.081954][ T426] EXT4-fs (loop0): This should not happen!! Data will be lost [ 66.081954][ T426] [ 66.115738][ T8] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.130548][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.144951][ T1228] loop2: detected capacity change from 0 to 4096 [ 66.161636][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.185352][ T1230] loop4: detected capacity change from 0 to 4096 [ 66.186118][ T654] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.192872][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 66.192872][ T8] [ 66.220328][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.233503][ T654] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.254558][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 66.254558][ T426] [ 66.292404][ T654] EXT4-fs (loop3): This should not happen!! Data will be lost [ 66.292404][ T654] [ 66.325685][ T1235] loop0: detected capacity change from 0 to 4096 2025/09/30 07:46:48 executed programs: 186 [ 66.352922][ T1238] loop5: detected capacity change from 0 to 4096 [ 66.418373][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.469119][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.474356][ T654] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.482502][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 66.482502][ T8] [ 66.512779][ T8] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.528515][ T1246] loop1: detected capacity change from 0 to 4096 [ 66.554435][ T1238] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.5: bad extent address lblock: 72, depth: 1 pblock 0 [ 66.568846][ T654] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.581266][ T8] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 66.593970][ T654] EXT4-fs (loop0): This should not happen!! Data will be lost [ 66.593970][ T654] [ 66.603749][ T8] EXT4-fs (loop2): This should not happen!! Data will be lost [ 66.603749][ T8] [ 66.604982][ T1238] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 66.629915][ T1243] loop3: detected capacity change from 0 to 4096 [ 66.655552][ T1238] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 66.681342][ T1238] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 66.733965][ T1246] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 362: comm syz-executor.1: lblock 234 mapped to illegal pblock 362 (length 1) [ 66.749340][ T1238] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 66.773305][ T1256] loop2: detected capacity change from 0 to 4096 [ 66.776869][ T1253] loop4: detected capacity change from 0 to 4096 [ 66.820760][ T1238] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 66.830918][ T1246] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 66.845161][ T1246] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 66.874377][ T1246] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 66.878656][ T1238] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 66.884103][ T1246] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 66.899299][ T30] audit: type=1400 audit(1759218409.087:97): avc: denied { mounton } for pid=1250 comm="syz-executor.0" path="/root/syzkaller-testdir1488646576/syzkaller.XGLXQ8/31/bus" dev="sda1" ino=2072 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 66.934335][ T1256] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 66.955650][ T8] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 66.995054][ T1246] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.016827][ T1256] EXT4-fs error (device loop2): ext4_dirty_inode:6071: inode #19: comm syz-executor.2: mark_inode_dirty error [ 67.028862][ T654] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 67.045857][ T1246] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 67.057484][ T1256] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 67.071844][ T1253] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.082149][ T8] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.095103][ T654] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.109853][ T8] EXT4-fs (loop3): This should not happen!! Data will be lost [ 67.109853][ T8] [ 67.123295][ T1253] EXT4-fs error (device loop4): ext4_dirty_inode:6071: inode #19: comm syz-executor.4: mark_inode_dirty error [ 67.131426][ T1256] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.152858][ T8] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 67.156593][ T1253] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 67.181500][ T8] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.188813][ T654] EXT4-fs (loop5): This should not happen!! Data will be lost [ 67.188813][ T654] [ 67.194262][ T8] EXT4-fs (loop1): This should not happen!! Data will be lost [ 67.194262][ T8] [ 67.215353][ T1256] EXT4-fs error (device loop2): ext4_dirty_inode:6071: inode #19: comm syz-executor.2: mark_inode_dirty error [ 67.228291][ T1256] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 67.242754][ T1256] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 67.258344][ T1253] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.258568][ T1256] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.277827][ T1256] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 67.300527][ T1256] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.324716][ T1253] EXT4-fs error (device loop4): ext4_dirty_inode:6071: inode #19: comm syz-executor.4: mark_inode_dirty error [ 67.336890][ T1253] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 67.374623][ T1269] loop5: detected capacity change from 0 to 4096 [ 67.396745][ T1267] loop3: detected capacity change from 0 to 4096 [ 67.405541][ T8] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.431808][ T1271] loop1: detected capacity change from 0 to 4096 [ 67.441643][ T8] EXT4-fs (loop2): This should not happen!! Data will be lost [ 67.441643][ T8] [ 67.460895][ T1253] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 67.479553][ T30] audit: type=1400 audit(1759218409.667:98): avc: denied { unmount } for pid=341 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 67.534844][ T1253] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.581824][ T1253] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 67.615615][ T1279] loop0: detected capacity change from 0 to 4096 [ 67.634588][ T1253] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.645564][ T654] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 67.652417][ T1281] loop2: detected capacity change from 0 to 4096 [ 67.704342][ T654] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.718401][ T654] EXT4-fs (loop3): This should not happen!! Data will be lost [ 67.718401][ T654] [ 67.719179][ T477] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 67.743234][ T8] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 67.757422][ T45] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.790762][ T1279] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 183: comm syz-executor.0: lblock 55 mapped to illegal pblock 183 (length 1) [ 67.809459][ T45] EXT4-fs (loop4): This should not happen!! Data will be lost [ 67.809459][ T45] [ 67.809548][ T8] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.819175][ T477] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 67.843820][ T8] EXT4-fs (loop1): This should not happen!! Data will be lost [ 67.843820][ T8] [ 67.864473][ T477] EXT4-fs (loop5): This should not happen!! Data will be lost [ 67.864473][ T477] [ 67.883261][ T1279] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 67.908530][ T1288] loop3: detected capacity change from 0 to 4096 [ 67.911831][ T1279] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 67.974269][ T1290] loop1: detected capacity change from 0 to 4096 [ 67.981605][ T1279] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 68.004568][ T404] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.019262][ T404] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.035569][ T1279] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 68.044678][ T404] EXT4-fs (loop2): This should not happen!! Data will be lost [ 68.044678][ T404] [ 68.100683][ T45] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.112487][ T1296] loop4: detected capacity change from 0 to 4096 [ 68.122929][ T1290] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 323: comm syz-executor.1: lblock 195 mapped to illegal pblock 323 (length 1) [ 68.160866][ T1299] loop5: detected capacity change from 0 to 4096 [ 68.183392][ T1290] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 68.197966][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.212838][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 68.212838][ T45] [ 68.233810][ T654] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.258537][ T1303] loop2: detected capacity change from 0 to 4096 [ 68.267254][ T654] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.280854][ T1290] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 68.295471][ T654] EXT4-fs (loop3): This should not happen!! Data will be lost [ 68.295471][ T654] [ 68.330934][ T1290] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 68.356098][ T1290] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 68.382112][ T1290] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 68.382751][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.406550][ T1290] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 68.419696][ T1303] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 68.426018][ T1309] loop0: detected capacity change from 0 to 4096 [ 68.442401][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.478456][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.505437][ T45] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.520329][ T1303] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 68.530141][ T1303] EXT4-fs error (device loop2): ext4_dirty_inode:6071: inode #19: comm syz-executor.2: mark_inode_dirty error [ 68.542378][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 68.542378][ T8] [ 68.552221][ T1303] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 68.567971][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.580851][ T1303] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 68.584647][ T45] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.597567][ T1312] loop3: detected capacity change from 0 to 4096 [ 68.614306][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 68.614306][ T404] [ 68.620413][ T1303] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 68.626090][ T45] EXT4-fs (loop5): This should not happen!! Data will be lost [ 68.626090][ T45] [ 68.673955][ T1303] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 68.688033][ T404] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.720402][ T404] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.741831][ T1303] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 68.759745][ T1321] loop1: detected capacity change from 0 to 4096 [ 68.767065][ T404] EXT4-fs (loop0): This should not happen!! Data will be lost [ 68.767065][ T404] [ 68.777067][ T1303] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 68.812325][ T1322] loop4: detected capacity change from 0 to 4096 [ 68.823248][ T45] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.840321][ T1318] loop5: detected capacity change from 0 to 4096 [ 68.866411][ T404] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.881289][ T45] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.914574][ T404] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 68.919363][ T45] EXT4-fs (loop3): This should not happen!! Data will be lost [ 68.919363][ T45] [ 68.938506][ T654] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 68.963690][ T1327] loop0: detected capacity change from 0 to 4096 [ 68.981386][ T404] EXT4-fs (loop2): This should not happen!! Data will be lost [ 68.981386][ T404] [ 68.993360][ T654] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 69.006603][ T654] EXT4-fs (loop1): This should not happen!! Data will be lost [ 69.006603][ T654] [ 69.017815][ T1318] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 458: comm syz-executor.5: lblock 330 mapped to illegal pblock 458 (length 1) [ 69.055520][ T1318] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 69.101087][ T1322] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.4: bad extent address lblock: 223, depth: 1 pblock 0 [ 69.123275][ T1318] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 69.136866][ T1322] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 69.152950][ T1337] loop2: detected capacity change from 0 to 4096 [ 69.169789][ T1318] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.190694][ T1318] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 69.197490][ T1340] loop1: detected capacity change from 0 to 4096 [ 69.216306][ T1338] loop3: detected capacity change from 0 to 4096 [ 69.227128][ T8] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 69.243105][ T1322] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 69.256921][ T1322] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.267404][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 69.276032][ T1318] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.280413][ T8] EXT4-fs (loop0): This should not happen!! Data will be lost [ 69.280413][ T8] [ 69.290284][ T1318] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 69.299346][ T1322] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 69.326528][ T8] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 69.370324][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 69.383203][ T1322] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.394154][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 69.394154][ T8] [ 69.411164][ T1338] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.3: bad extent address lblock: 236, depth: 1 pblock 0 [ 69.438547][ T1322] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 69.443119][ T1340] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 461: comm syz-executor.1: lblock 333 mapped to illegal pblock 461 (length 1) [ 69.474906][ T426] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 69.475767][ T1338] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 69.504570][ T8] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 69.519027][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 69.534643][ T426] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 69.539285][ T1338] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 69.555416][ T426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 69.555416][ T426] [ 69.572755][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 69.572755][ T8] [ 69.611580][ T1340] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 69.629046][ T1350] loop0: detected capacity change from 0 to 4096 [ 69.645867][ T1340] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 69.659152][ T1352] loop5: detected capacity change from 0 to 4096 [ 69.672832][ T1338] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.705157][ T1356] loop2: detected capacity change from 0 to 4096 [ 69.712932][ T1338] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 69.713905][ T1340] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.735498][ T1340] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 69.748900][ T1340] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.773127][ T1350] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.782670][ T1338] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.809911][ T1338] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 69.824278][ T1350] EXT4-fs error (device loop0): ext4_write_end:1359: inode #19: comm syz-executor.0: mark_inode_dirty error [ 69.842139][ T1340] EXT4-fs error (device loop1): ext4_truncate:4304: inode #19: comm syz-executor.1: mark_inode_dirty error [ 69.859560][ T8] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 69.873783][ T1356] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 443: comm syz-executor.2: lblock 315 mapped to illegal pblock 443 (length 1) [ 69.891074][ T1356] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0 [ 69.894566][ T1362] loop4: detected capacity change from 0 to 4096 [ 69.905419][ T1352] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 450: comm syz-executor.5: lblock 322 mapped to illegal pblock 450 (length 1) [ 69.912299][ T8] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 69.926151][ T1356] EXT4-fs error (device loop2): ext4_discard_preallocations:5126: comm syz-executor.2: Error -117 reading block bitmap for 0 [ 69.939069][ T1349] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 69.965893][ T1352] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 69.976443][ T1356] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 69.986254][ T8] EXT4-fs (loop3): This should not happen!! Data will be lost [ 69.986254][ T8] [ 69.999089][ T1352] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 70.009655][ T1356] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 70.015262][ T1349] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 70.038212][ T45] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.052494][ T1356] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 70.062753][ T1352] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 70.069994][ T45] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.073007][ T1356] EXT4-fs error (device loop2): ext4_truncate:4304: inode #19: comm syz-executor.2: mark_inode_dirty error [ 70.086435][ T45] EXT4-fs (loop1): This should not happen!! Data will be lost [ 70.086435][ T45] [ 70.098373][ T1352] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 70.106690][ T8] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.118615][ T1352] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 70.142285][ T1352] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 70.157168][ T654] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.166664][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.183576][ T8] EXT4-fs (loop0): This should not happen!! Data will be lost [ 70.183576][ T8] [ 70.204025][ T654] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.215084][ T1362] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 270: comm syz-executor.4: lblock 142 mapped to illegal pblock 270 (length 1) [ 70.216751][ T654] EXT4-fs (loop2): This should not happen!! Data will be lost [ 70.216751][ T654] [ 70.255955][ T45] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.303397][ T45] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.314887][ T1362] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 70.318653][ T1370] loop3: detected capacity change from 0 to 4096 [ 70.330687][ T1362] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 70.349785][ T1362] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 70.373661][ T45] EXT4-fs (loop5): This should not happen!! Data will be lost [ 70.373661][ T45] [ 70.380523][ T1362] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 70.417410][ T1372] loop1: detected capacity change from 0 to 4096 [ 70.426290][ T1362] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 70.445263][ T1374] loop2: detected capacity change from 0 to 4096 [ 70.451084][ T1376] loop0: detected capacity change from 0 to 4096 [ 70.459656][ T1362] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 70.529699][ T654] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.554086][ T8] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.611429][ T654] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.629381][ T8] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.630068][ T45] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.654411][ T654] EXT4-fs (loop4): This should not happen!! Data will be lost [ 70.654411][ T654] [ 70.670201][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.682960][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 70.682960][ T45] [ 70.692084][ T8] EXT4-fs (loop3): This should not happen!! Data will be lost [ 70.692084][ T8] [ 70.706941][ T1386] loop5: detected capacity change from 0 to 4096 [ 70.770401][ T426] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.795015][ T1391] loop4: detected capacity change from 0 to 4096 [ 70.832547][ T1394] loop0: detected capacity change from 0 to 4096 [ 70.842578][ T426] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.875782][ T426] EXT4-fs (loop1): This should not happen!! Data will be lost [ 70.875782][ T426] [ 70.886950][ T654] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.919950][ T654] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.932554][ T654] EXT4-fs (loop2): This should not happen!! Data will be lost [ 70.932554][ T654] [ 70.963827][ T8] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 70.979355][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 70.991984][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 70.991984][ T8] [ 70.994730][ T1394] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 413: comm syz-executor.0: lblock 285 mapped to illegal pblock 413 (length 1) [ 71.034336][ T1399] loop3: detected capacity change from 0 to 4096 [ 71.051453][ T1403] loop1: detected capacity change from 0 to 4096 [ 71.068723][ T1394] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 71.153283][ T1411] loop5: detected capacity change from 0 to 4096 [ 71.160515][ T404] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 71.175562][ T1394] EXT4-fs error (device loop0): ext4_discard_preallocations:5126: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 71.202192][ T404] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 71.220431][ T1394] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 71.224808][ T404] EXT4-fs (loop4): This should not happen!! Data will be lost [ 71.224808][ T404] [ 71.263182][ T1409] loop2: detected capacity change from 0 to 4096 [ 71.287102][ T404] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 71.296822][ T1399] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm syz-executor.3: bad extent address lblock: 276, depth: 1 pblock 0 [ 71.322012][ T1394] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 71.335706][ T654] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0 [ 71.338007][ T1399] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0 [ 71.353051][ T404] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 71.369454][ T1394] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 71.378503][ T404] EXT4-fs (loop5): This should not happen!! Data will be lost [ 71.378503][ T404] [ 71.396409][ T654] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 71.408932][ T1399] EXT4-fs error (device loop3): ext4_discard_preallocations:5126: comm syz-executor.3: Error -117 reading block bitmap for 0 [ 71.426719][ T654] EXT4-fs (loop1): This should not happen!! Data will be lost [ 71.426719][ T654] [ 71.429832][ T1416] loop4: detected capacity change from 0 to 4096 [ 71.439963][ T1399] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem 2025/09/30 07:46:53 executed programs: 226 [ 71.458756][ T1394] EXT4-fs error (device loop0): ext4_truncate:4304: inode #19: comm syz-executor.0: mark_inode_dirty error [ 71.505870][ T45] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 71.508312][ T1399] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 71.529935][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 71.544233][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 71.544233][ T45] [ 71.563339][ T1399] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 71.592188][ T1399] EXT4-fs error (device loop3): ext4_truncate:4304: inode #19: comm syz-executor.3: mark_inode_dirty error [ 71.623006][ T1423] loop5: detected capacity change from 0 to 4096 [ 71.646222][ T1424] loop1: detected capacity change from 0 to 4096 [ 71.648559][ T45] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 71.675553][ T404] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 71.696880][ T45] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 71.709353][ T404] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 71.710085][ T477] EXT4-fs error (device loop4): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 71.737465][ T404] EXT4-fs (loop3): This should not happen!! Data will be lost [ 71.737465][ T404] [ 71.765553][ T1430] loop0: detected capacity change from 0 to 4096 [ 71.772917][ T45] EXT4-fs (loop2): This should not happen!! Data will be lost [ 71.772917][ T45] [ 71.783510][ T477] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 71.796283][ T1424] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 71.797070][ T477] EXT4-fs (loop4): This should not happen!! Data will be lost [ 71.797070][ T477] [ 71.816731][ T1423] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 300: comm syz-executor.5: lblock 172 mapped to illegal pblock 300 (length 1) [ 71.881445][ T1423] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0 [ 71.898595][ T1424] EXT4-fs error (device loop1): ext4_write_end:1359: inode #19: comm syz-executor.1: mark_inode_dirty error [ 71.954613][ T1423] EXT4-fs error (device loop5): ext4_discard_preallocations:5126: comm syz-executor.5: Error -117 reading block bitmap for 0 [ 71.965521][ T1422] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0 [ 71.975302][ T1436] loop3: detected capacity change from 0 to 4096 [ 71.982202][ T1423] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 71.994175][ T1438] loop4: detected capacity change from 0 to 4096 [ 72.023897][ T1440] loop2: detected capacity change from 0 to 4096 [ 72.044963][ T1422] EXT4-fs error (device loop1): ext4_discard_preallocations:5126: comm syz-executor.1: Error -117 reading block bitmap for 0 [ 72.058507][ T1423] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 72.071021][ T1423] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 72.095877][ T404] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0 [ 72.154636][ T477] EXT4-fs error (device loop3): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 72.161282][ T1423] EXT4-fs error (device loop5): ext4_truncate:4304: inode #19: comm syz-executor.5: mark_inode_dirty error [ 72.169812][ T45] EXT4-fs error (device loop0): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0 [ 72.194322][ T404] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 72.198480][ T1438] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 329: comm syz-executor.4: lblock 201 mapped to illegal pblock 329 (length 1) [ 72.229570][ T404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 72.229570][ T404] [ 72.231457][ T477] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 72.246422][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 72.264945][ T8] EXT4-fs error (device loop2): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0 [ 72.285360][ T426] EXT4-fs error (device loop5): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0 [ 72.288759][ T477] EXT4-fs (loop3): This should not happen!! Data will be lost [ 72.288759][ T477] [ 72.304109][ T8] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 72.309596][ T1438] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0 [ 72.322952][ T426] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 72.348307][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 72.348307][ T45] [ 72.360661][ T8] EXT4-fs (loop2): This should not happen!! Data will be lost [ 72.360661][ T8] [ 72.383133][ T426] EXT4-fs (loop5): This should not happen!! Data will be lost [ 72.383133][ T426] [ 72.397181][ T1438] EXT4-fs error (device loop4): ext4_discard_preallocations:5126: comm syz-executor.4: Error -117 reading block bitmap for 0 [ 72.418044][ T1438] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 72.428014][ T1438] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 72.428896][ T1449] loop1: detected capacity change from 0 to 4096 [ 72.440585][ T1438] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 72.457601][ T1438] EXT4-fs error (device loop4): ext4_truncate:4304: inode #19: comm syz-executor.4: mark_inode_dirty error [ 72.521283][ T1451] loop3: detected capacity change from 0 to 4096 [ 72.528370][ T45] ------------[ cut here ]------------ [ 72.535075][ T1458] loop5: detected capacity change from 0 to 4096 [ 72.541585][ T45] kernel BUG at fs/ext4/inode.c:2433! [ 72.563309][ T45] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 72.569437][ T45] CPU: 1 PID: 45 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 72.576838][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 72.586917][ T45] Workqueue: writeback wb_workfn (flush-7:4) [ 72.592983][ T45] RIP: 0010:ext4_writepages+0x2eed/0x2f90 [ 72.598746][ T45] Code: 00 74 08 48 89 df e8 92 f7 cd ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 30 44 89 e9 45 89 f0 e8 2a 9b 07 00 eb 51 e8 83 78 8f ff <0f> 0b e8 7c 78 8f ff eb 2f e8 75 78 8f ff eb 5f e8 6e 78 8f ff 31 [ 72.600125][ T1456] loop0: detected capacity change from 0 to 4096 [ 72.618755][ T45] RSP: 0000:ffffc900002ef100 EFLAGS: 00010293 [ 72.618778][ T45] RAX: ffffffff81d9462d RBX: ffff88811f926a88 RCX: ffff8881053f3b40 [ 72.618793][ T45] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.618806][ T45] RBP: ffffc900002ef470 R08: dffffc0000000000 R09: ffffed1023f24d4a [ 72.618821][ T45] R10: ffffed1023f24d4a R11: 1ffff11023f24d49 R12: dffffc0000000000 [ 72.618836][ T45] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.671271][ T45] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 72.680215][ T45] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.686805][ T45] CR2: 00007f1a3088f000 CR3: 0000000100d94000 CR4: 00000000003506a0 [ 72.694786][ T45] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.702761][ T45] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.710745][ T45] Call Trace: [ 72.714035][ T45] [ 72.716985][ T45] ? __kasan_check_read+0x11/0x20 [ 72.722015][ T45] ? mark_page_accessed+0x3b6/0x8d0 [ 72.727212][ T45] ? __activate_page+0xd40/0xd40 [ 72.732147][ T45] ? ext4_readpage+0x220/0x220 [ 72.736915][ T45] ? memcpy+0x56/0x70 [ 72.740896][ T45] ? copy_page_from_iter_atomic+0x784/0x1350 [ 72.746886][ T45] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 72.752525][ T45] ? update_load_avg+0x410/0x1110 [ 72.757571][ T45] ? ext4_readpage+0x220/0x220 [ 72.762339][ T45] do_writepages+0x48a/0x6c0 [ 72.766932][ T45] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 72.772581][ T45] ? update_load_avg+0x410/0x1110 [ 72.777603][ T45] ? __writepage+0x130/0x130 [ 72.782206][ T45] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 72.787848][ T45] ? __kasan_check_write+0x14/0x20 [ 72.792962][ T45] ? _raw_spin_lock+0x8e/0xe0 [ 72.797641][ T45] __writeback_single_inode+0xd5/0x9c0 [ 72.803111][ T45] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 72.809094][ T45] writeback_sb_inodes+0x9c0/0x1590 [ 72.814386][ T45] ? queue_io+0x4c0/0x4c0 [ 72.818724][ T45] ? __kasan_check_read+0x11/0x20 [ 72.823748][ T45] ? queue_io+0x382/0x4c0 [ 72.828168][ T45] wb_writeback+0x3f1/0x980 [ 72.832687][ T45] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 72.838676][ T45] ? set_worker_desc+0x155/0x1c0 [ 72.843621][ T45] ? __kasan_check_write+0x14/0x20 [ 72.848734][ T45] wb_workfn+0x38f/0xe20 [ 72.853030][ T45] ? inode_wait_for_writeback+0x200/0x200 [ 72.858758][ T45] ? compat_start_thread+0x20/0x20 [ 72.863882][ T45] ? _raw_spin_unlock+0x4d/0x70 [ 72.868879][ T45] ? finish_task_switch+0x16b/0x780 [ 72.874083][ T45] ? __switch_to_asm+0x3a/0x60 [ 72.878852][ T45] ? __schedule+0xb76/0x14c0 [ 72.883455][ T45] process_one_work+0x6be/0xba0 [ 72.888311][ T45] worker_thread+0xa59/0x1200 [ 72.892997][ T45] kthread+0x411/0x500 [ 72.897417][ T45] ? worker_clr_flags+0x190/0x190 [ 72.902442][ T45] ? kthread_blkcg+0xd0/0xd0 [ 72.907038][ T45] ret_from_fork+0x1f/0x30 [ 72.911462][ T45] [ 72.914489][ T45] Modules linked in: [ 72.919867][ T1459] loop2: detected capacity change from 0 to 4096 [ 72.920045][ T45] ---[ end trace 4509c0b6c775d9df ]--- [ 72.935041][ T45] RIP: 0010:ext4_writepages+0x2eed/0x2f90 [ 72.956274][ T45] Code: 00 74 08 48 89 df e8 92 f7 cd ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 30 44 89 e9 45 89 f0 e8 2a 9b 07 00 eb 51 e8 83 78 8f ff <0f> 0b e8 7c 78 8f ff eb 2f e8 75 78 8f ff eb 5f e8 6e 78 8f ff 31 [ 72.976270][ T45] RSP: 0000:ffffc900002ef100 EFLAGS: 00010293 [ 72.988021][ T477] EXT4-fs error (device loop1): ext4_ext_map_blocks:4184: inode #19: comm kworker/u4:6: bad extent address lblock: 0, depth: 1 pblock 0 [ 73.011249][ T45] RAX: ffffffff81d9462d RBX: ffff88811f926a88 RCX: ffff8881053f3b40 [ 73.025181][ T45] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.033304][ T45] RBP: ffffc900002ef470 R08: dffffc0000000000 R09: ffffed1023f24d4a [ 73.041380][ T45] R10: ffffed1023f24d4a R11: 1ffff11023f24d49 R12: dffffc0000000000 [ 73.049589][ T45] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.057923][ T45] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 73.067051][ T45] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.082260][ T1459] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5867: Corrupt filesystem [ 73.083135][ T45] CR2: 0000000020200000 CR3: 00000001117c7000 CR4: 00000000003506b0 [ 73.093455][ T1456] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 198: comm syz-executor.0: lblock 70 mapped to illegal pblock 198 (length 1) [ 73.100824][ T45] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.122583][ T45] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.130695][ T45] Kernel panic - not syncing: Fatal exception [ 73.137036][ T45] Kernel Offset: disabled [ 73.141363][ T45] Rebooting in 86400 seconds..