Warning: Permanently added '10.128.1.168' (ED25519) to the list of known hosts. 2025/12/13 19:36:50 ignoring optional flag "type"="gce" 2025/12/13 19:36:50 parsed 1 programs 2025/12/13 19:36:50 executed programs: 0 [ 41.809992][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.817244][ T342] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.824707][ T342] device bridge_slave_0 entered promiscuous mode [ 41.844032][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.851214][ T342] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.858688][ T342] device bridge_slave_1 entered promiscuous mode [ 41.890645][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.897710][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.905166][ T346] device bridge_slave_0 entered promiscuous mode [ 41.918441][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.925717][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.933229][ T343] device bridge_slave_0 entered promiscuous mode [ 41.944942][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.952134][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.959502][ T346] device bridge_slave_1 entered promiscuous mode [ 41.969581][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.976691][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.984104][ T344] device bridge_slave_0 entered promiscuous mode [ 41.990832][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.997894][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.005654][ T343] device bridge_slave_1 entered promiscuous mode [ 42.022034][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.029103][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.036610][ T344] device bridge_slave_1 entered promiscuous mode [ 42.046505][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.053673][ T345] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.061218][ T345] device bridge_slave_0 entered promiscuous mode [ 42.075719][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.082836][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.090182][ T337] device bridge_slave_0 entered promiscuous mode [ 42.103511][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.110627][ T345] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.117993][ T345] device bridge_slave_1 entered promiscuous mode [ 42.131174][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.138331][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.145932][ T337] device bridge_slave_1 entered promiscuous mode [ 42.384209][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.391294][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.398563][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.405620][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.424064][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.431169][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.438433][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.445773][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.462759][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.470075][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.483843][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.490926][ T344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.498188][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.505406][ T344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.532094][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.539160][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.546470][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.553544][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.569975][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.577059][ T345] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.584344][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.591397][ T345] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.605094][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.612696][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.620193][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.627811][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.635339][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.642608][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.649787][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.657049][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.664250][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.671673][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.678841][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.686190][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.733296][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.741053][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.749872][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.758689][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.765823][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.773350][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.781525][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.788541][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.796041][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.803510][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.811185][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.819329][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.826378][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.833830][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.842113][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.849136][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.856713][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.865145][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.872425][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.879900][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.888172][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.895221][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.916382][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.924730][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.933141][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.940184][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.947747][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.956327][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.964638][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.971727][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.979103][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.987316][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.995318][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.003449][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.011461][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.019554][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.027606][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.035848][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.044171][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.066043][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.074587][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.082966][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.091542][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.099774][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.107895][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.115966][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.124248][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.131754][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.142464][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.166894][ T346] device veth0_vlan entered promiscuous mode [ 43.174547][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.182936][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.191160][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.198565][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.206234][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.213909][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.221552][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.228985][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.236647][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.245121][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.253493][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.260559][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.267998][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.276525][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.284760][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.291810][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.299359][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.307796][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.316214][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.323261][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.330769][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.339099][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.347577][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.354629][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.366236][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.374677][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.383186][ T344] device veth0_vlan entered promiscuous mode [ 43.396586][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.405116][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.418459][ T343] device veth0_vlan entered promiscuous mode [ 43.427419][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.435887][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.443935][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.452319][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.460643][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.468503][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.476627][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.484800][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.492900][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.500463][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.514817][ T346] device veth1_macvtap entered promiscuous mode [ 43.525521][ T344] device veth1_macvtap entered promiscuous mode [ 43.534536][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.542929][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.556326][ T343] device veth1_macvtap entered promiscuous mode [ 43.578768][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.587422][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.596869][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.605343][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.613903][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.622412][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.630847][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.639095][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.647431][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.655741][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.664183][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.672564][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.686205][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.706688][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.714937][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.722583][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.730072][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.737867][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.745535][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.753952][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.762360][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.770616][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.778105][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.789174][ T342] device veth0_vlan entered promiscuous mode [ 43.795976][ T345] device veth0_vlan entered promiscuous mode [ 43.802251][ T337] device veth0_vlan entered promiscuous mode [ 43.814336][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.827660][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.835127][ T404] loop1: detected capacity change from 0 to 2048 [ 43.836840][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.850736][ T30] kauditd_printk_skb: 14 callbacks suppressed [ 43.850750][ T30] audit: type=1400 audit(1765654613.102:88): avc: denied { mounton } for pid=403 comm="syz-executor.1" path="/root/syzkaller-testdir1987821026/syzkaller.Y0goyT/0/bus" dev="sda1" ino=2044 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 43.851001][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.885515][ T404] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.903414][ T30] audit: type=1400 audit(1765654613.162:89): avc: denied { mount } for pid=403 comm="syz-executor.1" name="/" dev="loop1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 43.917295][ T337] device veth1_macvtap entered promiscuous mode [ 43.931896][ T404] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 43.953856][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.961924][ T30] audit: type=1400 audit(1765654613.212:90): avc: denied { write } for pid=403 comm="syz-executor.1" name="file0" dev="loop1" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 43.988000][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.998751][ T30] audit: type=1400 audit(1765654613.212:91): avc: denied { add_name } for pid=403 comm="syz-executor.1" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 44.012502][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.031951][ T412] loop4: detected capacity change from 0 to 2048 [ 44.038460][ T30] audit: type=1400 audit(1765654613.212:92): avc: denied { create } for pid=403 comm="syz-executor.1" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 44.059491][ T30] audit: type=1400 audit(1765654613.232:93): avc: denied { read write open } for pid=403 comm="syz-executor.1" path="/root/syzkaller-testdir1987821026/syzkaller.Y0goyT/0/bus/file0/bus" dev="loop1" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 44.088082][ T401] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 44.093326][ T30] audit: type=1400 audit(1765654613.232:94): avc: denied { mounton } for pid=403 comm="syz-executor.1" path="/root/syzkaller-testdir1987821026/syzkaller.Y0goyT/0/bus/file0/bus" dev="loop1" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 44.111852][ T412] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.130304][ T30] audit: type=1400 audit(1765654613.232:95): avc: denied { append } for pid=403 comm="syz-executor.1" path="/root/syzkaller-testdir1987821026/syzkaller.Y0goyT/0/bus/file0/blkio.throttle.io_service_bytes_recursive" dev="loop1" ino=19 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 44.173573][ T412] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.177257][ T345] device veth1_macvtap entered promiscuous mode [ 44.201953][ T342] device veth1_macvtap entered promiscuous mode [ 44.203543][ T30] audit: type=1400 audit(1765654613.332:96): avc: denied { unmount } for pid=346 comm="syz-executor.1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 44.210587][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.235937][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.244797][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.270095][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.271493][ T418] loop1: detected capacity change from 0 to 2048 [ 44.285949][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.294276][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.327598][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.339013][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.347804][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.356085][ T401] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 44.357767][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.370938][ T418] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.378625][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.388850][ T422] loop2: detected capacity change from 0 to 2048 [ 44.396957][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.407253][ T418] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.446447][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.462282][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.471031][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.475320][ T428] loop0: detected capacity change from 0 to 2048 [ 44.479450][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.518464][ T428] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.531989][ T422] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.538268][ T428] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.560178][ T422] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.572868][ T429] loop3: detected capacity change from 0 to 2048 [ 44.584847][ T437] loop4: detected capacity change from 0 to 2048 [ 44.597905][ T438] loop5: detected capacity change from 0 to 2048 [ 44.607353][ T418] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 245: comm syz-executor.1: lblock 37 mapped to illegal pblock 245 (length 1) [ 44.622885][ T418] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 44.639329][ T418] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 44.647190][ T437] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.651894][ T429] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.670664][ T429] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.673224][ T418] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 44.685455][ T437] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.713268][ T401] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 192: comm kworker/u4:3: lblock 0 mapped to illegal pblock 192 (length 1) [ 44.738114][ T422] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 248: comm syz-executor.2: lblock 40 mapped to illegal pblock 248 (length 1) [ 44.740591][ T401] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4876: inode #19: block 0: len 1: ext4_ext_map_blocks returned -117 [ 44.759635][ T428] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 194: comm syz-executor.0: lblock 2 mapped to illegal pblock 194 (length 1) [ 44.766772][ T401] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 44.797337][ T401] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 44.801954][ T418] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 44.821178][ T422] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 44.822379][ T418] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 44.836357][ T428] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 2 with max blocks 1 with error 117 [ 44.858274][ T438] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 44.868942][ T401] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 44.875498][ T418] EXT4-fs error (device loop1): ext4_truncate:4310: inode #19: comm syz-executor.1: mark_inode_dirty error [ 44.882211][ T437] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 206: comm syz-executor.4: lblock 14 mapped to illegal pblock 206 (length 1) [ 44.893943][ T418] EXT4-fs error (device loop1): ext4_find_extent:929: inode #19: comm syz-executor.1: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 44.908059][ T408] ================================================================== [ 44.926644][ T418] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.934172][ T408] BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 [ 44.946713][ T418] EXT4-fs (loop1): This should not happen!! Data will be lost [ 44.946713][ T418] [ 44.953885][ T408] Read of size 4 at addr ffff8881260d5900 by task kworker/u4:4/408 [ 44.953904][ T408] [ 44.953920][ T408] CPU: 0 PID: 408 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 44.953940][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 44.953952][ T408] Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work [ 44.953986][ T408] Call Trace: [ 44.953992][ T408] [ 44.954000][ T408] __dump_stack+0x21/0x30 [ 44.954023][ T408] dump_stack_lvl+0xee/0x150 [ 44.954043][ T408] ? show_regs_print_info+0x20/0x20 [ 44.966109][ T429] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 229: comm syz-executor.3: lblock 21 mapped to illegal pblock 229 (length 1) [ 44.971565][ T408] ? load_image+0x3a0/0x3a0 [ 44.971591][ T408] print_address_description+0x7f/0x2c0 [ 44.971613][ T408] ? ext4_find_extent+0xbeb/0xe20 [ 44.973976][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 0: len 1: ext4_ext_map_blocks returned -28 [ 44.981591][ T408] kasan_report+0xf1/0x140 [ 44.981612][ T408] ? __read_extent_tree_block+0x1e8/0x790 [ 44.981633][ T408] ? ext4_find_extent+0xbeb/0xe20 [ 44.991932][ T429] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 21 with max blocks 1 with error 117 [ 44.998458][ T408] __asan_report_load4_noabort+0x14/0x20 [ 45.001779][ T419] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 45.004684][ T408] ext4_find_extent+0xbeb/0xe20 [ 45.009213][ T429] EXT4-fs (loop3): This should not happen!! Data will be lost [ 45.009213][ T429] [ 45.013588][ T408] ext4_ext_map_blocks+0x1db/0x6270 [ 45.013614][ T408] ? _raw_spin_unlock_irq+0x4e/0x70 [ 45.013639][ T408] ? rwsem_down_read_slowpath+0x1230/0x1230 [ 45.019273][ T419] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 45.033592][ T408] ? __kasan_check_write+0x14/0x20 [ 45.033620][ T408] ? _raw_spin_lock+0xe0/0xe0 [ 45.033640][ T408] ? ext4_ext_release+0x10/0x10 [ 45.033659][ T408] ? ttwu_do_activate+0x174/0x280 [ 45.033682][ T408] ? ext4_es_lookup_extent+0x54c/0x900 [ 45.033705][ T408] ext4_map_blocks+0x97b/0x1b20 [ 45.038589][ T438] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 45.043855][ T408] ? ext4_issue_zeroout+0x250/0x250 [ 45.043879][ T408] ? ext4_journal_check_start+0x172/0x240 [ 45.043899][ T408] ? ext4_convert_unwritten_extents+0x26a/0x5c0 [ 45.049000][ T428] EXT4-fs (loop0): This should not happen!! Data will be lost [ 45.049000][ T428] [ 45.062678][ T408] ? __ext4_journal_start_sb+0x154/0x2b0 [ 45.062702][ T408] ext4_convert_unwritten_extents+0x2a2/0x5c0 [ 45.062726][ T408] ? trace_ext4_fallocate_exit+0x130/0x130 [ 45.062747][ T408] ? __kasan_check_write+0x14/0x20 [ 45.062765][ T408] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 45.062788][ T408] ? _raw_spin_lock+0xe0/0xe0 [ 45.071142][ T419] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 45.073020][ T408] ext4_convert_unwritten_io_end_vec+0x103/0x180 [ 45.083928][ T422] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 45.090690][ T408] ext4_end_io_rsv_work+0x2b9/0x600 [ 45.090721][ T408] ? ext4_last_io_end_vec+0x70/0x70 [ 45.090740][ T408] ? move_linked_works+0x214/0x230 [ 45.090763][ T408] process_one_work+0x6be/0xba0 [ 45.096909][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -28) [ 45.110144][ T408] worker_thread+0xa59/0x1200 [ 45.110173][ T408] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 45.110198][ T408] ? __kthread_parkme+0xac/0x200 [ 45.115790][ T422] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 45.124691][ T408] kthread+0x411/0x500 [ 45.124717][ T408] ? worker_clr_flags+0x190/0x190 [ 45.124739][ T408] ? kthread_blkcg+0xd0/0xd0 [ 45.124758][ T408] ret_from_fork+0x1f/0x30 [ 45.138805][ T422] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 45.141051][ T408] [ 45.141060][ T408] [ 45.141064][ T408] The buggy address belongs to the page: [ 45.141072][ T408] page:ffffea0004983540 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x1260d5 [ 45.141106][ T408] flags: 0x4000000000000000(zone=1) [ 45.150759][ T419] EXT4-fs error (device loop3): ext4_ext_split:1074: inode #19: comm kworker/u4:5: p_ext > EXT_MAX_EXTENT! [ 45.155610][ T408] raw: 4000000000000000 ffffea0004983588 ffffea0004983508 0000000000000000 [ 45.155629][ T408] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 45.155638][ T408] page dumped because: kasan: bad access detected [ 45.161236][ T422] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 45.165190][ T408] page_owner info is not present (never set?) [ 45.165199][ T408] [ 45.165203][ T408] Memory state around the buggy address: [ 45.165214][ T408] ffff8881260d5800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.165227][ T408] ffff8881260d5880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.165239][ T408] >ffff8881260d5900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.170648][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117 [ 45.175762][ T408] ^ [ 45.175775][ T408] ffff8881260d5980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.175788][ T408] ffff8881260d5a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.175797][ T408] ================================================================== [ 45.175804][ T408] Disabling lock debugging due to kernel taint [ 45.180977][ T422] EXT4-fs error (device loop2): ext4_truncate:4310: inode #19: comm syz-executor.2: mark_inode_dirty error [ 45.212481][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 0: len 1: ext4_ext_map_blocks returned -28 [ 45.212515][ T408] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 45.251459][ T419] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 45.256098][ T437] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 14 with max blocks 1 with error 117 [ 45.274567][ T419] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 45.284583][ T401] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.290103][ T419] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 45.308641][ T401] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 45.320006][ T8] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 60129542145: comm kworker/u4:0: lblock 1 mapped to illegal pblock 60129542145 (length 1) [ 45.322501][ T437] EXT4-fs (loop4): This should not happen!! Data will be lost [ 45.322501][ T437] [ 45.332844][ T8] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4876: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117 [ 45.344447][ T401] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 45.361970][ T422] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 28 [ 45.363701][ T408] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 45.376799][ T8] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.384959][ T30] audit: type=1400 audit(1765654614.622:97): avc: denied { read } for pid=83 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 45.388367][ T8] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 45.403702][ T422] EXT4-fs (loop2): This should not happen!! Data will be lost [ 45.403702][ T422] [ 45.463268][ T8] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 45.470568][ T408] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:4: mark_inode_dirty error [ 45.488977][ T8] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.503242][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.527506][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -28) [ 45.532070][ T419] EXT4-fs error (device loop3): ext4_ext_split:1074: inode #19: comm kworker/u4:5: p_ext > EXT_MAX_EXTENT! [ 45.535518][ T408] EXT4-fs error (device loop4): ext4_ext_split:1074: inode #19: comm kworker/u4:4: p_ext > EXT_MAX_EXTENT! [ 45.546155][ T401] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 45.575540][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117 [ 45.587846][ T422] EXT4-fs (loop2): Total free blocks count 0 [ 45.599762][ T8] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.611712][ T422] EXT4-fs (loop2): Free/Dirty block details [ 45.622732][ T408] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 45.634777][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117 [ 45.656967][ T408] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 45.678915][ T452] loop1: detected capacity change from 0 to 2048 [ 45.692051][ T422] EXT4-fs (loop2): free_blocks=0 [ 45.703183][ T419] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 45.714222][ T422] EXT4-fs (loop2): dirty_blocks=0 [ 45.726567][ T408] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:4: mark_inode_dirty error [ 45.746153][ T422] EXT4-fs (loop2): Block reservation details [ 45.769869][ T454] loop5: detected capacity change from 0 to 2048 [ 45.790855][ T422] EXT4-fs (loop2): i_reserved_data_blocks=0 [ 45.940923][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.959484][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.975775][ T454] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.994979][ T408] EXT4-fs error (device loop4): ext4_ext_split:1074: inode #19: comm kworker/u4:4: p_ext > EXT_MAX_EXTENT! [ 45.998688][ T452] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.003935][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117 [ 46.018192][ T452] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.029244][ T408] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 46.046458][ T8] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 46.064057][ T460] loop0: detected capacity change from 0 to 2048 [ 46.074722][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.087885][ T454] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.102217][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117 [ 46.132482][ T8] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 46.150013][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.165433][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117 [ 46.194870][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117 [ 46.206441][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.245545][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117 [ 46.246617][ T460] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.261589][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.271589][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.282813][ T460] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.307311][ T401] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 230: comm kworker/u4:3: lblock 22 mapped to illegal pblock 230 (length 1) [ 46.309857][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 46.333697][ T452] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 231: comm syz-executor.1: lblock 23 mapped to illegal pblock 231 (length 1) [ 46.345061][ T454] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 235: comm syz-executor.5: lblock 27 mapped to illegal pblock 235 (length 1) [ 46.357917][ T8] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 234: comm kworker/u4:0: lblock 26 mapped to illegal pblock 234 (length 1) [ 46.382272][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 46.382751][ T401] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4876: inode #19: block 22: len 1: ext4_ext_map_blocks returned -117 [ 46.396804][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.423175][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.431432][ T452] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 23 with max blocks 1 with error 117 [ 46.448784][ T454] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 27 with max blocks 1 with error 117 [ 46.458648][ T452] EXT4-fs (loop1): This should not happen!! Data will be lost [ 46.458648][ T452] [ 46.463481][ T8] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 26: len 1: ext4_ext_map_blocks returned -117 [ 46.473769][ T467] loop2: detected capacity change from 0 to 2048 [ 46.485492][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 46.491164][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 46.518962][ T454] EXT4-fs (loop5): This should not happen!! Data will be lost [ 46.518962][ T454] [ 46.533121][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.535552][ T401] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 46.561559][ T8] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 46.564848][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 [ 46.579027][ T8] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 46.590057][ T408] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.600522][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.612534][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 46.628106][ T401] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 46.645387][ T8] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 46.649826][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 2025/12/13 19:36:55 executed programs: 13 [ 46.661123][ T8] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.686400][ T401] EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 46.687128][ T467] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.699704][ T401] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.714241][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.722927][ T467] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.738493][ T401] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 46.750993][ T408] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 46.767883][ T401] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 46.791135][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 46.805597][ T45] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.820011][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 46.822917][ T45] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.872100][ T45] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.888600][ T472] loop0: detected capacity change from 0 to 2048 [ 46.928762][ T477] loop3: detected capacity change from 0 to 2048 [ 46.945360][ T482] loop2: detected capacity change from 0 to 2048 [ 46.958252][ T480] loop4: detected capacity change from 0 to 2048 [ 46.968436][ T479] loop1: detected capacity change from 0 to 2048 [ 46.980092][ T474] loop5: detected capacity change from 0 to 2048 [ 46.994354][ T477] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.006489][ T477] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.022397][ T472] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.035180][ T482] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.039762][ T472] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.062637][ T482] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.066467][ T480] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.098208][ T479] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.115278][ T480] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.116394][ T474] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.133381][ T479] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.144625][ T474] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.216654][ T408] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 227: comm kworker/u4:4: lblock 19 mapped to illegal pblock 227 (length 1) [ 47.231608][ T408] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #19: block 19: len 1: ext4_ext_map_blocks returned -117 [ 47.234445][ T482] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 228: comm syz-executor.2: lblock 20 mapped to illegal pblock 228 (length 1) [ 47.247214][ T480] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 227: comm syz-executor.4: lblock 19 mapped to illegal pblock 227 (length 1) [ 47.261429][ T408] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 47.281591][ T401] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 224: comm kworker/u4:3: lblock 16 mapped to illegal pblock 224 (length 1) [ 47.291579][ T482] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 20 with max blocks 1 with error 117 [ 47.303901][ T479] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 242: comm syz-executor.1: lblock 34 mapped to illegal pblock 242 (length 1) [ 47.316724][ T450] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 228: comm kworker/u4:6: lblock 20 mapped to illegal pblock 228 (length 1) [ 47.331961][ T474] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 231: comm syz-executor.5: lblock 23 mapped to illegal pblock 231 (length 1) [ 47.356865][ T450] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 20: len 1: ext4_ext_map_blocks returned -117 [ 47.360914][ T482] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.360914][ T482] [ 47.384214][ T408] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 47.384723][ T479] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 47.394208][ T480] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 19 with max blocks 1 with error 117 [ 47.408447][ T450] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 47.428411][ T408] EXT4-fs error (device loop2): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:4: mark_inode_dirty error [ 47.433810][ T479] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 47.449620][ T401] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 16: len 1: ext4_ext_map_blocks returned -117 [ 47.455857][ T474] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 23 with max blocks 1 with error 117 [ 47.481960][ T474] EXT4-fs (loop5): This should not happen!! Data will be lost [ 47.481960][ T474] [ 47.484031][ T479] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 47.491912][ T480] EXT4-fs (loop4): This should not happen!! Data will be lost [ 47.491912][ T480] [ 47.513677][ T401] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 47.527574][ T408] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.540974][ T479] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 47.555406][ T401] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 47.560380][ T450] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 47.568586][ T479] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 47.581010][ T450] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:6: mark_inode_dirty error [ 47.592968][ T419] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 47.612027][ T479] EXT4-fs error (device loop1): ext4_truncate:4310: inode #19: comm syz-executor.1: mark_inode_dirty error [ 47.627207][ T401] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 47.629778][ T479] EXT4-fs error (device loop1): ext4_find_extent:929: inode #19: comm syz-executor.1: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 47.654828][ T504] loop3: detected capacity change from 0 to 2048 [ 47.668429][ T450] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.673072][ T505] loop0: detected capacity change from 0 to 2048 [ 47.681659][ T419] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 47.688045][ T479] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 47.702082][ T401] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.713879][ T408] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 21: len 1: ext4_ext_map_blocks returned -28 [ 47.751262][ T401] EXT4-fs error (device loop4): ext4_find_extent:929: inode #19: comm kworker/u4:3: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 47.770348][ T479] EXT4-fs (loop1): This should not happen!! Data will be lost [ 47.770348][ T479] [ 47.773247][ T408] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 47.783290][ T504] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.804405][ T401] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 17: len 1: ext4_ext_map_blocks returned -117 [ 47.804441][ T401] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 47.804627][ T401] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 47.842253][ T504] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.856932][ T401] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 47.867892][ T510] loop2: detected capacity change from 0 to 2048 [ 47.873162][ T401] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.889061][ T401] EXT4-fs error (device loop4): ext4_find_extent:929: inode #19: comm kworker/u4:3: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 47.893686][ T408] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 47.909722][ T8] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 47.925977][ T408] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:4: mark_inode_dirty error [ 47.944729][ T408] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -28) [ 47.944774][ T505] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.957626][ T408] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 22: len 1: ext4_ext_map_blocks returned -28 [ 47.968299][ T505] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.989855][ T401] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 18: len 1: ext4_ext_map_blocks returned -117 [ 47.997743][ T408] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 48.025141][ T408] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.030216][ T510] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.042954][ T408] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -28) [ 48.045212][ T8] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 48.058432][ T401] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.088402][ T510] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.107312][ T419] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 229: comm kworker/u4:5: lblock 21 mapped to illegal pblock 229 (length 1) [ 48.124398][ T504] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 252: comm syz-executor.3: lblock 44 mapped to illegal pblock 252 (length 1) [ 48.138405][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 21: len 1: ext4_ext_map_blocks returned -117 [ 48.153763][ T419] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 48.167957][ T504] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 44 with max blocks 1 with error 117 [ 48.173374][ T419] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.198839][ T504] EXT4-fs (loop3): This should not happen!! Data will be lost [ 48.198839][ T504] [ 48.203993][ T401] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 48.217211][ T419] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 48.235407][ T519] loop4: detected capacity change from 0 to 2048 [ 48.239525][ T517] loop1: detected capacity change from 0 to 2048 [ 48.243727][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.261875][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 22: len 1: ext4_ext_map_blocks returned -28 [ 48.277325][ T419] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 48.278069][ T510] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 201: comm syz-executor.2: lblock 9 mapped to illegal pblock 201 (length 1) [ 48.307037][ T419] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.309680][ T510] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 48.329344][ T419] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 48.344104][ T510] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.345181][ T519] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.354225][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -28) [ 48.365470][ T517] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.377195][ T510] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 48.388577][ T519] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.419195][ T419] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 126943922709382: comm kworker/u4:5: lblock 23 mapped to illegal pblock 126943922709382 (length 1) [ 48.424616][ T525] loop5: detected capacity change from 0 to 2048 [ 48.437291][ T517] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.442747][ T510] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 48.479623][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 23: len 1: ext4_ext_map_blocks returned -117 [ 48.494182][ T419] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 48.508784][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.522150][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 24: len 1: ext4_ext_map_blocks returned -117 [ 48.537516][ T525] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.542868][ T527] loop0: detected capacity change from 0 to 2048 [ 48.548514][ T525] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.563573][ T517] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 236: comm syz-executor.1: lblock 28 mapped to illegal pblock 236 (length 1) [ 48.571839][ T519] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 241: comm syz-executor.4: lblock 33 mapped to illegal pblock 241 (length 1) [ 48.599513][ T510] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.606985][ T519] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 48.609752][ T510] EXT4-fs error (device loop2): ext4_truncate:4310: inode #19: comm syz-executor.2: mark_inode_dirty error [ 48.634336][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.634677][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 25: len 1: ext4_ext_map_blocks returned -117 [ 48.648232][ T517] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 48.670611][ T525] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 199: comm syz-executor.5: lblock 7 mapped to illegal pblock 199 (length 1) [ 48.675444][ T510] EXT4-fs error (device loop2): ext4_find_extent:929: inode #19: comm syz-executor.2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 48.709023][ T517] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.709962][ T527] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.719644][ T510] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 9 with error 117 [ 48.730209][ T519] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.741559][ T527] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.751091][ T510] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.751091][ T510] [ 48.765779][ T517] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 48.780674][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.788864][ T517] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 48.813411][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 26: len 1: ext4_ext_map_blocks returned -117 [ 48.814451][ T525] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 48.828399][ T517] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.846352][ T519] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 48.852800][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.862986][ T525] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 48.877217][ T517] EXT4-fs error (device loop1): ext4_truncate:4310: inode #19: comm syz-executor.1: mark_inode_dirty error [ 48.885454][ T401] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 48.897328][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 27: len 1: ext4_ext_map_blocks returned -117 [ 48.913472][ T401] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 48.924422][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.938172][ T519] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 48.951477][ T525] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 48.965517][ T517] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 192: comm syz-executor.1: lblock 0 mapped to illegal pblock 192 (length 1) [ 48.976424][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 28: len 1: ext4_ext_map_blocks returned -117 [ 49.000583][ T519] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 49.009138][ T517] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117 [ 49.014232][ T519] EXT4-fs error (device loop4): ext4_truncate:4310: inode #19: comm syz-executor.4: mark_inode_dirty error [ 49.027822][ T525] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 49.052161][ T419] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.052400][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 29: len 1: ext4_ext_map_blocks returned -117 [ 49.078840][ T517] EXT4-fs (loop1): This should not happen!! Data will be lost [ 49.078840][ T517] [ 49.089843][ T519] EXT4-fs error (device loop4): ext4_find_extent:929: inode #19: comm syz-executor.4: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 49.101652][ T525] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 49.113180][ T419] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 30: len 1: ext4_ext_map_blocks returned -117 [ 49.119265][ T519] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 49.139196][ T525] EXT4-fs error (device loop5): ext4_truncate:4310: inode #19: comm syz-executor.5: mark_inode_dirty error [ 49.145671][ T519] EXT4-fs (loop4): This should not happen!! Data will be lost [ 49.145671][ T519] [ 49.165276][ T468] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:7: Invalid inode table block 34360905424 in block_group 0 [ 49.183491][ T419] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 49.197215][ T525] EXT4-fs error (device loop5): ext4_find_extent:929: inode #19: comm syz-executor.5: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 49.197433][ T525] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 7 with error 117 [ 49.229241][ T468] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:7: Invalid inode table block 34360905424 in block_group 0 [ 49.232134][ T525] EXT4-fs (loop5): This should not happen!! Data will be lost [ 49.232134][ T525] [ 49.255623][ T537] loop2: detected capacity change from 0 to 2048 [ 49.262564][ T419] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 49.286941][ T539] loop0: detected capacity change from 0 to 2048 [ 49.302133][ T10] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 49.317879][ T537] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.333106][ T10] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 49.364718][ T537] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.373141][ T539] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.397062][ T544] loop3: detected capacity change from 0 to 2048 [ 49.407558][ T547] loop1: detected capacity change from 0 to 2048 [ 49.421577][ T549] loop4: detected capacity change from 0 to 2048 [ 49.428166][ T539] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.462830][ T547] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.474693][ T547] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.480743][ T468] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:7: Invalid inode table block 34360905424 in block_group 0 [ 49.504346][ T544] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.526354][ T10] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 231: comm kworker/u4:1: lblock 23 mapped to illegal pblock 231 (length 1) [ 49.541474][ T539] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 232: comm syz-executor.0: lblock 24 mapped to illegal pblock 232 (length 1) [ 49.546450][ T544] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.581819][ T539] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 24 with max blocks 1 with error 117 [ 49.596221][ T539] EXT4-fs (loop0): This should not happen!! Data will be lost [ 49.596221][ T539] [ 49.601905][ T10] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4876: inode #19: block 23: len 1: ext4_ext_map_blocks returned -117 [ 49.617306][ T559] loop5: detected capacity change from 0 to 2048 [ 49.621400][ T549] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.638799][ T10] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 49.648043][ T8] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 237: comm kworker/u4:0: lblock 29 mapped to illegal pblock 237 (length 1) [ 49.652821][ T549] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.678625][ T544] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 238: comm syz-executor.3: lblock 30 mapped to illegal pblock 238 (length 1) [ 49.692207][ T10] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 49.707514][ T401] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 49.721882][ T8] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 29: len 1: ext4_ext_map_blocks returned -117 [ 49.731356][ T559] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.736235][ T10] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 49.759641][ T544] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 30 with max blocks 1 with error 117 [ 49.772828][ T544] EXT4-fs (loop3): This should not happen!! Data will be lost [ 49.772828][ T544] [ 49.779899][ T8] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 49.787971][ T564] loop2: detected capacity change from 0 to 2048 [ 49.803436][ T559] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.806941][ T10] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.820030][ T8] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 49.849978][ T549] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 196: comm syz-executor.4: lblock 4 mapped to illegal pblock 196 (length 1) [ 49.851422][ T8] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 49.864995][ T450] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 49.892339][ T549] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 49.906238][ T8] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.907886][ T549] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 49.929503][ T450] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 49.934299][ T559] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 230: comm syz-executor.5: lblock 22 mapped to illegal pblock 230 (length 1) [ 49.963378][ T408] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 49.964293][ T568] loop1: detected capacity change from 0 to 2048 [ 49.984371][ T408] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 49.985998][ T564] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 49.998885][ T549] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 50.012255][ T564] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.024943][ T559] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 50.060666][ T559] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 50.070938][ T549] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 50.088209][ T549] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 50.102969][ T559] EXT4-fs error (device loop5): ext4_ext_truncate:4456: inode #19: comm syz-executor.5: mark_inode_dirty error [ 50.114256][ T568] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.129146][ T564] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 206: comm syz-executor.2: lblock 14 mapped to illegal pblock 206 (length 1) [ 50.132647][ T549] EXT4-fs error (device loop4): ext4_truncate:4310: inode #19: comm syz-executor.4: mark_inode_dirty error [ 50.155626][ T559] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 50.155921][ T568] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.184335][ T577] loop3: detected capacity change from 0 to 2048 [ 50.185914][ T574] loop0: detected capacity change from 0 to 2048 [ 50.197279][ T564] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 14 with max blocks 1 with error 117 [ 50.200669][ T559] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 50.209711][ T564] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.209711][ T564] [ 50.219730][ T559] EXT4-fs error (device loop5): ext4_truncate:4310: inode #19: comm syz-executor.5: mark_inode_dirty error [ 50.241889][ T549] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 192: comm syz-executor.4: lblock 0 mapped to illegal pblock 192 (length 1) [ 50.263931][ T559] EXT4-fs error (device loop5): ext4_find_extent:929: inode #19: comm syz-executor.5: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 50.265029][ T574] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.293192][ T559] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 50.306340][ T559] EXT4-fs (loop5): This should not happen!! Data will be lost [ 50.306340][ T559] [ 50.323732][ T408] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 50.335248][ T574] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.352010][ T549] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117 [ 50.359180][ T577] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.364611][ T549] EXT4-fs (loop4): This should not happen!! Data will be lost [ 50.364611][ T549] [ 50.386016][ T408] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 50.399957][ T450] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 50.400472][ T577] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.427364][ T450] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 50.441978][ T401] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 50.458911][ T408] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 50.477913][ T401] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 50.490675][ T574] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 236: comm syz-executor.0: lblock 28 mapped to illegal pblock 236 (length 1) [ 50.509235][ T574] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 28 with max blocks 1 with error 117 [ 50.533397][ T574] EXT4-fs (loop0): This should not happen!! Data will be lost [ 50.533397][ T574] [ 50.548554][ T577] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 227: comm syz-executor.3: lblock 19 mapped to illegal pblock 227 (length 1) [ 50.548603][ T401] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 199: comm kworker/u4:3: lblock 7 mapped to illegal pblock 199 (length 1) [ 50.567656][ T586] loop4: detected capacity change from 0 to 2048 [ 50.578821][ T577] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 19 with max blocks 1 with error 117 [ 50.587064][ T587] loop5: detected capacity change from 0 to 2048 [ 50.598368][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 [ 50.617282][ T408] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 50.625033][ T577] EXT4-fs (loop3): This should not happen!! Data will be lost [ 50.625033][ T577] [ 50.635026][ T401] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 50.654780][ T408] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 50.658012][ T401] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 50.697018][ T401] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 50.706550][ T592] loop1: detected capacity change from 0 to 2048 [ 50.715606][ T591] loop2: detected capacity change from 0 to 2048 [ 50.717861][ T587] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.723612][ T586] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.740375][ T587] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.760595][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 50.775031][ T599] loop0: detected capacity change from 0 to 2048 [ 50.777291][ T401] EXT4-fs error (device loop3): ext4_find_extent:929: inode #19: comm kworker/u4:3: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 50.784639][ T586] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.804335][ T592] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.824824][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 50.838638][ T401] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 50.852904][ T592] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.868917][ T401] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 50.869336][ T599] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.890955][ T401] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 50.891735][ T591] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.904606][ T599] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.928704][ T586] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 235: comm syz-executor.4: lblock 27 mapped to illegal pblock 235 (length 1) [ 50.942988][ T591] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.943866][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 50.959612][ T586] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 50.971657][ T401] EXT4-fs error (device loop3): ext4_find_extent:929: inode #19: comm kworker/u4:3: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 51.004641][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 51.020802][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.034255][ T586] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.037385][ T592] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 250: comm syz-executor.1: lblock 42 mapped to illegal pblock 250 (length 1) [ 51.055788][ T587] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 226: comm syz-executor.5: lblock 18 mapped to illegal pblock 226 (length 1) [ 51.060069][ T450] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 207: comm kworker/u4:6: lblock 15 mapped to illegal pblock 207 (length 1) [ 51.074076][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 10: len 1: ext4_ext_map_blocks returned -117 [ 51.103165][ T599] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 234: comm syz-executor.0: lblock 26 mapped to illegal pblock 234 (length 1) [ 51.113154][ T586] EXT4-fs error (device loop4): ext4_ext_truncate:4456: inode #19: comm syz-executor.4: mark_inode_dirty error [ 51.118382][ T587] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 18 with max blocks 1 with error 117 [ 51.131313][ T450] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 15: len 1: ext4_ext_map_blocks returned -117 [ 51.145118][ T587] EXT4-fs (loop5): This should not happen!! Data will be lost [ 51.145118][ T587] [ 51.158021][ T592] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 51.165989][ T599] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm syz-executor.0: Invalid inode table block 34360905424 in block_group 0 [ 51.180523][ T591] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 206: comm syz-executor.2: lblock 14 mapped to illegal pblock 206 (length 1) [ 51.193945][ T450] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 51.209057][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.222196][ T599] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.241226][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 11: len 1: ext4_ext_map_blocks returned -117 [ 51.244498][ T586] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 51.263204][ T592] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.273982][ T450] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.281585][ T592] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 51.290955][ T586] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.302842][ T592] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 51.312131][ T599] EXT4-fs error (device loop0): ext4_ext_truncate:4456: inode #19: comm syz-executor.0: mark_inode_dirty error [ 51.326062][ T592] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.347332][ T592] EXT4-fs error (device loop1): ext4_truncate:4310: inode #19: comm syz-executor.1: mark_inode_dirty error [ 51.347862][ T591] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 51.359421][ T592] EXT4-fs error (device loop1): ext4_ext_split:1074: inode #19: comm syz-executor.1: p_ext > EXT_MAX_EXTENT! [ 51.387384][ T450] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:6: mark_inode_dirty error [ 51.400532][ T599] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm syz-executor.0: Invalid inode table block 34360905424 in block_group 0 [ 51.400648][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.414609][ T586] EXT4-fs error (device loop4): ext4_truncate:4310: inode #19: comm syz-executor.4: mark_inode_dirty error [ 51.427359][ T592] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.439678][ T591] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.454288][ T592] EXT4-fs (loop1): This should not happen!! Data will be lost [ 51.454288][ T592] [ 51.461446][ T450] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.477968][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 12: len 1: ext4_ext_map_blocks returned -117 [ 51.484746][ T450] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 54328400567342: comm kworker/u4:6: lblock 16 mapped to illegal pblock 54328400567342 (length 1) [ 51.497322][ T586] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 6987911760001: comm syz-executor.4: lblock 0 mapped to illegal pblock 6987911760001 (length 16) [ 51.514075][ T450] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 16: len 1: ext4_ext_map_blocks returned -117 [ 51.530756][ T591] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 51.544227][ T599] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.556491][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.573842][ T599] EXT4-fs error (device loop0): ext4_truncate:4310: inode #19: comm syz-executor.0: mark_inode_dirty error [ 51.586120][ T450] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 51.602634][ T599] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 28 [ 51.603671][ T586] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 51.615969][ T10] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 51.628030][ T450] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.642510][ T599] EXT4-fs (loop0): This should not happen!! Data will be lost [ 51.642510][ T599] [ 51.651606][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 13: len 1: ext4_ext_map_blocks returned -117 [ 51.660793][ T591] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 51.675002][ T586] EXT4-fs (loop4): This should not happen!! Data will be lost [ 51.675002][ T586] [ 51.688832][ T599] EXT4-fs (loop0): Total free blocks count 0 [ 51.698191][ T450] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:6: mark_inode_dirty error [ 51.704181][ T10] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 51.717283][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.730848][ T599] EXT4-fs (loop0): Free/Dirty block details 2025/12/13 19:37:01 executed programs: 41 [ 51.743515][ T450] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.749196][ T591] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.763800][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 14: len 1: ext4_ext_map_blocks returned -117 [ 51.771999][ T599] EXT4-fs (loop0): free_blocks=16 [ 51.786669][ T450] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 54328400567343: comm kworker/u4:6: lblock 17 mapped to illegal pblock 54328400567343 (length 1) [ 51.793919][ T599] EXT4-fs (loop0): dirty_blocks=0 [ 51.808270][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 51.811885][ T591] EXT4-fs error (device loop2): ext4_truncate:4310: inode #19: comm syz-executor.2: mark_inode_dirty error [ 51.825854][ T450] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 17: len 1: ext4_ext_map_blocks returned -117 [ 51.851167][ T599] EXT4-fs (loop0): Block reservation details [ 51.851269][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 51.857380][ T401] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.872150][ T591] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 192: comm syz-executor.2: lblock 0 mapped to illegal pblock 192 (length 1) [ 51.883834][ T599] EXT4-fs (loop0): i_reserved_data_blocks=0 [ 51.905191][ T450] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.907011][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 15: len 1: ext4_ext_map_blocks returned -117 [ 51.932045][ T8] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 51.932903][ T591] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117 [ 51.947806][ T8] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 51.958220][ T591] EXT4-fs (loop2): This should not happen!! Data will be lost [ 51.958220][ T591] [ 51.985986][ T401] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4876: inode #19: block 16: len 1: ext4_ext_map_blocks returned -117 [ 51.999289][ T612] loop1: detected capacity change from 0 to 2048 [ 52.007058][ T8] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 52.021237][ T8] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 52.036550][ T612] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.093664][ T616] loop4: detected capacity change from 0 to 2048 [ 52.098771][ T612] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 52.126293][ T620] loop5: detected capacity change from 0 to 2048 [ 52.141450][ T622] loop0: detected capacity change from 0 to 2048 [ 52.156762][ T624] loop2: detected capacity change from 0 to 2048 [ 52.166193][ T621] loop3: detected capacity change from 0 to 2048 [ 52.180844][ T620] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.192772][ T616] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.192829][ T620] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 52.203624][ T616] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 52.219860][ T622] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.243791][ T622] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 52.248391][ T624] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.269756][ T621] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.292463][ T8] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 52.300681][ T624] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 52.318942][ T621] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 52.353177][ T450] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 250: comm kworker/u4:6: lblock 42 mapped to illegal pblock 250 (length 1) [ 52.366285][ T616] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 251: comm syz-executor.4: lblock 43 mapped to illegal pblock 251 (length 1) [ 52.374381][ T450] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 42: len 1: ext4_ext_map_blocks returned -117 [ 52.386234][ T616] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 43 with max blocks 1 with error 117 [ 52.410429][ T450] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 52.424312][ T638] loop1: detected capacity change from 0 to 2048 [ 52.430835][ T8] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 194: comm kworker/u4:0: lblock 2 mapped to illegal pblock 194 (length 1) [ 52.433831][ T616] EXT4-fs (loop4): This should not happen!! Data will be lost [ 52.433831][ T616] [ 52.446836][ T620] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 195: comm syz-executor.5: lblock 3 mapped to illegal pblock 195 (length 1) [ 52.455921][ T450] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 52.479505][ T624] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 203: comm syz-executor.2: lblock 11 mapped to illegal pblock 203 (length 1) [ 52.494536][ T622] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 193: comm syz-executor.0: lblock 1 mapped to illegal pblock 193 (length 1) [ 52.510445][ T10] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 192: comm kworker/u4:1: lblock 0 mapped to illegal pblock 192 (length 1) [ 52.511160][ T8] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117 [ 52.530234][ T450] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:6: mark_inode_dirty error [ 52.553504][ T621] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 249: comm syz-executor.3: lblock 41 mapped to illegal pblock 249 (length 1) [ 52.568482][ T620] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 3 with max blocks 1 with error 117 [ 52.568966][ T624] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 52.581673][ T620] EXT4-fs (loop5): This should not happen!! Data will be lost [ 52.581673][ T620] [ 52.596041][ T621] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm syz-executor.3: Invalid inode table block 34360905424 in block_group 0 [ 52.604959][ T638] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.618509][ T622] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 1 with max blocks 1 with error 117 [ 52.628689][ T10] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4876: inode #19: block 0: len 1: ext4_ext_map_blocks returned -117 [ 52.628732][ T10] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 52.628858][ T8] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 52.641638][ T450] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 52.661968][ T622] EXT4-fs (loop0): This should not happen!! Data will be lost [ 52.661968][ T622] [ 52.668375][ T10] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 52.682154][ T638] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 52.702939][ T8] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 52.704558][ T624] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 52.714931][ T10] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 52.729385][ T621] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 52.739199][ T8] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 52.770905][ T621] EXT4-fs error (device loop3): ext4_ext_truncate:4456: inode #19: comm syz-executor.3: mark_inode_dirty error [ 52.783065][ T10] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 52.794447][ T624] EXT4-fs error (device loop2): ext4_ext_truncate:4456: inode #19: comm syz-executor.2: mark_inode_dirty error [ 52.807826][ T8] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 52.835355][ T450] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 52.843230][ T621] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm syz-executor.3: Invalid inode table block 34360905424 in block_group 0 [ 52.863785][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 52.877937][ T450] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 52.885802][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 52.892849][ T624] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 52.907099][ T621] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 52.929485][ T638] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 255: comm syz-executor.1: lblock 47 mapped to illegal pblock 255 (length 1) [ 52.946232][ T638] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 52.960638][ T450] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 52.972877][ T624] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 52.974447][ T621] EXT4-fs error (device loop3): ext4_truncate:4310: inode #19: comm syz-executor.3: mark_inode_dirty error [ 52.984286][ T624] EXT4-fs error (device loop2): ext4_truncate:4310: inode #19: comm syz-executor.2: mark_inode_dirty error [ 52.997053][ T450] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 53.007531][ T624] EXT4-fs error (device loop2): ext4_find_extent:929: inode #19: comm syz-executor.2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 53.026813][ T638] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 53.053358][ T621] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 192: comm syz-executor.3: lblock 0 mapped to illegal pblock 192 (length 1) [ 53.068263][ T638] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 53.080553][ T624] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 11 with error 117 [ 53.081593][ T646] loop4: detected capacity change from 0 to 2048 [ 53.093081][ T624] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.093081][ T624] [ 53.103348][ T621] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117 [ 53.121557][ T638] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 53.127281][ T621] EXT4-fs (loop3): This should not happen!! Data will be lost [ 53.127281][ T621] [ 53.145877][ T450] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 53.148637][ T638] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 53.169182][ T10] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 53.169563][ T638] EXT4-fs error (device loop1): ext4_truncate:4310: inode #19: comm syz-executor.1: mark_inode_dirty error [ 53.183389][ T10] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 53.195036][ T450] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 53.211092][ T646] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.243031][ T638] EXT4-fs error (device loop1): ext4_find_extent:929: inode #19: comm syz-executor.1: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 53.250435][ T646] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 53.285839][ T638] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 53.295609][ T650] loop5: detected capacity change from 0 to 2048 [ 53.298853][ T638] EXT4-fs (loop1): This should not happen!! Data will be lost [ 53.298853][ T638] [ 53.319806][ T652] loop0: detected capacity change from 0 to 2048 [ 53.326511][ T468] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:7: Invalid inode table block 34360905424 in block_group 0 [ 53.360378][ T646] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 239: comm syz-executor.4: lblock 31 mapped to illegal pblock 239 (length 1) [ 53.375333][ T10] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 238: comm kworker/u4:1: lblock 30 mapped to illegal pblock 238 (length 1) [ 53.388560][ T658] loop2: detected capacity change from 0 to 2048 [ 53.397026][ T646] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 31 with max blocks 1 with error 117 [ 53.399229][ T650] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.410429][ T468] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:7: Invalid inode table block 34360905424 in block_group 0 [ 53.421295][ T10] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 30: len 1: ext4_ext_map_blocks returned -117 [ 53.434147][ T650] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 53.447585][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 53.447804][ T10] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 53.462995][ T656] loop3: detected capacity change from 0 to 2048 [ 53.476138][ T10] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 53.503089][ T646] EXT4-fs (loop4): This should not happen!! Data will be lost [ 53.503089][ T646] [ 53.515034][ T10] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 53.522426][ T652] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.544582][ T652] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 53.568787][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 53.571949][ T658] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.593597][ T658] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 53.616838][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 53.630941][ T468] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 202: comm kworker/u4:7: lblock 10 mapped to illegal pblock 202 (length 1) [ 53.646951][ T468] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 10: len 1: ext4_ext_map_blocks returned -117 [ 53.648538][ T650] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 204: comm syz-executor.5: lblock 12 mapped to illegal pblock 204 (length 1) [ 53.661213][ T468] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:7: Invalid inode table block 34360905424 in block_group 0 [ 53.691153][ T656] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.713288][ T671] loop4: detected capacity change from 0 to 2048 [ 53.721149][ T650] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 12 with max blocks 1 with error 117 [ 53.728876][ T656] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 53.748380][ T408] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 205: comm kworker/u4:4: lblock 13 mapped to illegal pblock 205 (length 1) [ 53.758570][ T650] EXT4-fs (loop5): This should not happen!! Data will be lost [ 53.758570][ T650] [ 53.763572][ T408] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4876: inode #19: block 13: len 1: ext4_ext_map_blocks returned -117 [ 53.785613][ T652] EXT4-fs error (device loop0): ext4_find_extent:929: inode #19: comm syz-executor.0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 53.789049][ T408] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 53.812623][ T667] loop1: detected capacity change from 0 to 2048 [ 53.821122][ T408] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 53.837613][ T671] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.837766][ T468] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 53.849382][ T652] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 14 with max blocks 2 with error 117 [ 53.871755][ T408] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:4: mark_inode_dirty error [ 53.885058][ T671] ext4 filesystem being mounted at /root/syzkaller-testdir1419014081/syzkaller.lklR9c/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 53.890689][ T652] EXT4-fs (loop0): This should not happen!! Data will be lost [ 53.890689][ T652] [ 53.910801][ T667] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.915349][ T468] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:7: mark_inode_dirty error [ 53.934149][ T408] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 53.947694][ T667] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/10/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 53.972838][ T468] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 53.975408][ T419] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 53.987775][ T468] EXT4-fs error (device loop5): ext4_find_extent:929: inode #19: comm kworker/u4:7: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 54.008597][ T671] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 236: comm syz-executor.4: lblock 28 mapped to illegal pblock 236 (length 1) [ 54.032376][ T45] EXT4-fs error (device loop3): __ext4_get_inode_loc:4358: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 54.046787][ T667] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 232: comm syz-executor.1: lblock 24 mapped to illegal pblock 232 (length 1) [ 54.050940][ T10] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 232: comm kworker/u4:1: lblock 24 mapped to illegal pblock 232 (length 1) [ 54.062027][ T667] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 54.076813][ T419] EXT4-fs error (device loop0): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 54.091367][ T671] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 28 with max blocks 1 with error 117 [ 54.116910][ T667] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 54.130147][ T680] loop2: detected capacity change from 0 to 2048 [ 54.136917][ T468] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4876: inode #19: block 11: len 1: ext4_ext_map_blocks returned -117 [ 54.141360][ T10] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 24: len 1: ext4_ext_map_blocks returned -117 [ 54.150758][ T671] EXT4-fs (loop4): This should not happen!! Data will be lost [ 54.150758][ T671] [ 54.174282][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 54.175578][ T468] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:7: Invalid inode table block 34360905424 in block_group 0 [ 54.196945][ T10] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 54.201868][ T667] EXT4-fs error (device loop1): ext4_ext_truncate:4456: inode #19: comm syz-executor.1: mark_inode_dirty error [ 54.211643][ T10] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 54.236389][ T10] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 54.239335][ T468] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 54.250034][ T10] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 25: len 1: ext4_ext_map_blocks returned -28 [ 54.259114][ T667] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm syz-executor.1: Invalid inode table block 34360905424 in block_group 0 [ 54.286770][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 54.286971][ T468] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:7: mark_inode_dirty error [ 54.301757][ T667] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 54.323855][ T680] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 54.324147][ T10] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 54.334819][ T680] ext4 filesystem being mounted at /root/syzkaller-testdir2385724761/syzkaller.JYKaEz/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 54.349107][ T10] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 54.363355][ T667] EXT4-fs error (device loop1): ext4_truncate:4310: inode #19: comm syz-executor.1: mark_inode_dirty error [ 54.384673][ T667] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 28 [ 54.399440][ T667] EXT4-fs (loop1): This should not happen!! Data will be lost [ 54.399440][ T667] [ 54.406278][ T468] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 54.411346][ T667] EXT4-fs (loop1): Total free blocks count 0 [ 54.427856][ T667] EXT4-fs (loop1): Free/Dirty block details [ 54.433824][ T667] EXT4-fs (loop1): free_blocks=16 [ 54.438958][ T667] EXT4-fs (loop1): dirty_blocks=0 [ 54.444122][ T667] EXT4-fs (loop1): Block reservation details [ 54.450139][ T667] EXT4-fs (loop1): i_reserved_data_blocks=0 [ 54.456255][ T45] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 193: comm kworker/u4:2: lblock 1 mapped to illegal pblock 193 (length 1) [ 54.457629][ T10] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -28) [ 54.480079][ T680] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 194: comm syz-executor.2: lblock 2 mapped to illegal pblock 194 (length 1) [ 54.486195][ T10] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 26: len 1: ext4_ext_map_blocks returned -28 [ 54.512383][ T419] EXT4-fs error (device loop5): __ext4_get_inode_loc:4358: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 54.512420][ T450] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 54.526979][ T10] EXT4-fs error (device loop4): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 54.554345][ T10] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 54.558740][ T688] loop0: detected capacity change from 0 to 2048 [ 54.570446][ T686] loop3: detected capacity change from 0 to 2048 [ 54.570721][ T10] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -28) [ 54.592354][ T45] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117 [ 54.592489][ T450] EXT4-fs error (device loop1): __ext4_get_inode_loc:4358: comm kworker/u4:6: Invalid inode table block 34360905424 in block_group 0 [ 54.606175][ T680] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 2 with max blocks 1 with error 117 [ 54.632501][ T680] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.632501][ T680] [ 54.644671][ T10] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4876: inode #19: block 27: len 1: ext4_ext_map_blocks returned -117 [ 54.648617][ T45] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 54.659272][ T10] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 54.672905][ T688] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 54.691393][ T45] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 54.697691][ T688] ext4 filesystem being mounted at /root/syzkaller-testdir90764135/syzkaller.NE2HuT/10/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 54.705765][ T45] EXT4-fs error (device loop2): ext4_convert_unwritten_extents:4877: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 54.719796][ T686] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 54.755774][ T695] loop5: detected capacity change from 0 to 2048 [ 54.764448][ T686] ext4 filesystem being mounted at /root/syzkaller-testdir4165134019/syzkaller.Nhv89E/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 54.789843][ T45] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 54.791278][ T697] loop1: detected capacity change from 0 to 2048 [ 54.811767][ T695] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 54.838917][ T695] ext4 filesystem being mounted at /root/syzkaller-testdir3507150336/syzkaller.xTr2DT/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 54.857434][ T10] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 54.874625][ T697] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 54.898368][ T10] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 54.910321][ T705] loop4: detected capacity change from 0 to 2048 [ 54.912437][ T697] ext4 filesystem being mounted at /root/syzkaller-testdir1987821026/syzkaller.Y0goyT/11/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 54.933364][ T8] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 241: comm kworker/u4:0: lblock 33 mapped to illegal pblock 241 (length 1)