Warning: Permanently added '10.128.0.66' (ED25519) to the list of known hosts. 2025/10/09 00:44:25 ignoring optional flag "type"="gce" 2025/10/09 00:44:26 parsed 1 programs 2025/10/09 00:44:26 executed programs: 0 [ 41.973720][ T30] kauditd_printk_skb: 18 callbacks suppressed [ 41.973735][ T30] audit: type=1400 audit(1759970666.165:92): avc: denied { unlink } for pid=327 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 42.012429][ T327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 42.240901][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.248168][ T345] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.256045][ T345] device bridge_slave_0 entered promiscuous mode [ 42.273945][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.281291][ T345] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.289222][ T345] device bridge_slave_1 entered promiscuous mode [ 42.318191][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.325616][ T342] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.333002][ T342] device bridge_slave_0 entered promiscuous mode [ 42.341744][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.348905][ T342] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.356491][ T342] device bridge_slave_1 entered promiscuous mode [ 42.370626][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.378046][ T340] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.385700][ T340] device bridge_slave_0 entered promiscuous mode [ 42.392870][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.400098][ T340] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.407847][ T340] device bridge_slave_1 entered promiscuous mode [ 42.439391][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.446536][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.454085][ T346] device bridge_slave_0 entered promiscuous mode [ 42.473356][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.480431][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.488322][ T346] device bridge_slave_1 entered promiscuous mode [ 42.523411][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.530643][ T347] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.538423][ T347] device bridge_slave_0 entered promiscuous mode [ 42.559335][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.566451][ T347] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.574344][ T347] device bridge_slave_1 entered promiscuous mode [ 42.634666][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.641882][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.649449][ T348] device bridge_slave_0 entered promiscuous mode [ 42.670660][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.678245][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.685986][ T348] device bridge_slave_1 entered promiscuous mode [ 42.842528][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.849913][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.857548][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.865205][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.900643][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.907826][ T345] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.915220][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.922345][ T345] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.932386][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.939494][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.946938][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.954017][ T342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.970473][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.977708][ T340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.985057][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.992184][ T340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.006549][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.013787][ T347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.021268][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.028652][ T347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.066771][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.075550][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.084603][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.092569][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.100883][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.108380][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.116967][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.124346][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.131680][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.139108][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.147863][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.157412][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.165289][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.197318][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.206039][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.213572][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.221783][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.230604][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.238053][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.245817][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.253873][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.263918][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.272323][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.297508][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.306265][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.314912][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.324310][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.332378][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.341122][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.349785][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.356843][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.368454][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.377044][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.385514][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.392563][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.425283][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.433853][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.441925][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.450600][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.458916][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.466465][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.474476][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.481985][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.489872][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.498689][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.506947][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.514381][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.521888][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.530162][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.538596][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.546860][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.555366][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.562919][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.570821][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.579384][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.587786][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.595008][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.602745][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.611354][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.620400][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.627768][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.635589][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.653339][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.661896][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.670684][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.677995][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.687839][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.704526][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.713405][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.721795][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.728977][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.737931][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.746630][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.755235][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.763755][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.790618][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.799373][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.807578][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.816082][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.824477][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.832552][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.841180][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.849668][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.858112][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.868774][ T345] device veth0_vlan entered promiscuous mode [ 43.875381][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.886192][ T342] device veth0_vlan entered promiscuous mode [ 43.898860][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.906568][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.914305][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.922202][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.930854][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.938614][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.950070][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.964015][ T348] device veth0_vlan entered promiscuous mode [ 43.976074][ T340] device veth0_vlan entered promiscuous mode [ 43.984127][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.992280][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.999961][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.007863][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.016518][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.024793][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.032374][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.042728][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.051150][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.059171][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.070070][ T342] device veth1_macvtap entered promiscuous mode [ 44.082011][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.096104][ T345] device veth1_macvtap entered promiscuous mode [ 44.105306][ T346] device veth0_vlan entered promiscuous mode [ 44.112809][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.121857][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.129728][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.138095][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.147109][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.156066][ T347] device veth0_vlan entered promiscuous mode [ 44.176292][ T347] device veth1_macvtap entered promiscuous mode [ 44.183625][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.192077][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.200989][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.209641][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.218524][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.227458][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.236351][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.244967][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.253659][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.268104][ T340] device veth1_macvtap entered promiscuous mode [ 44.298739][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.309076][ T30] audit: type=1400 audit(1759970668.495:93): avc: denied { mounton } for pid=406 comm="syz-executor.0" path="/root/syzkaller-testdir1051193031/syzkaller.wEdIHq/0/bus" dev="sda1" ino=2050 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 44.315609][ T410] loop2: detected capacity change from 0 to 512 [ 44.338228][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.361933][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.366683][ T414] loop0: detected capacity change from 0 to 512 [ 44.370642][ T30] audit: type=1400 audit(1759970668.495:94): avc: denied { create } for pid=404 comm="syz-executor.2" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 44.380619][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.397206][ T30] audit: type=1400 audit(1759970668.505:95): avc: denied { map } for pid=404 comm="syz-executor.2" path="/root/syzkaller-testdir3802050430/syzkaller.CMtfTP/0/bus" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 44.418454][ T414] request_module fs- succeeded, but still no fs? [ 44.439454][ T30] audit: type=1400 audit(1759970668.545:96): avc: denied { unmount } for pid=345 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 44.454961][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.468321][ T30] audit: type=1400 audit(1759970668.605:97): avc: denied { mounton } for pid=413 comm="syz-executor.0" path="/root/syzkaller-testdir1051193031/syzkaller.wEdIHq/1/ext4" dev="sda1" ino=2047 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 44.496810][ T346] device veth1_macvtap entered promiscuous mode [ 44.506304][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.515952][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.543441][ T348] device veth1_macvtap entered promiscuous mode [ 44.561983][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.586836][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.599542][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.613689][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.622438][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.662267][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.663933][ T444] loop3: detected capacity change from 0 to 512 [ 44.671061][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.677055][ T446] loop1: detected capacity change from 0 to 512 [ 44.687186][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.701052][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.711600][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.720944][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.733910][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.742400][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.777710][ T454] loop5: detected capacity change from 0 to 519 [ 44.795017][ T454] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 44.807432][ T454] EXT4-fs (loop5): group descriptors corrupted! [ 44.840423][ T461] loop2: detected capacity change from 0 to 512 [ 44.851122][ T470] loop4: detected capacity change from 0 to 512 [ 44.883668][ T461] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 44.885610][ T483] loop3: detected capacity change from 0 to 512 [ 44.910719][ T490] loop5: detected capacity change from 0 to 512 [ 44.911169][ T489] blk_update_request: I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 19 prio class 0 [ 44.932632][ T496] loop4: detected capacity change from 0 to 512 [ 44.966459][ T503] loop4: detected capacity change from 0 to 512 [ 44.981471][ T506] loop1: detected capacity change from 0 to 512 [ 44.997115][ T514] loop3: detected capacity change from 0 to 512 [ 45.001712][ T508] loop0: detected capacity change from 0 to 512 [ 45.020298][ T517] loop2: detected capacity change from 0 to 519 [ 45.030667][ T514] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 45.048968][ T514] EXT4-fs (loop3): failed to initialize system zone (-117) [ 45.049332][ T524] loop4: detected capacity change from 0 to 512 [ 45.066163][ T506] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 45.080097][ T514] EXT4-fs (loop3): mount failed [ 45.097433][ T524] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 45.097460][ T534] loop2: detected capacity change from 0 to 512 [ 45.110514][ T524] EXT4-fs (loop4): failed to initialize system zone (-117) [ 45.127978][ T538] loop0: detected capacity change from 0 to 512 [ 45.135268][ T524] EXT4-fs (loop4): mount failed [ 45.162127][ T549] loop3: detected capacity change from 0 to 512 [ 45.162535][ T545] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 24 prio class 0 [ 45.178227][ T553] loop5: detected capacity change from 0 to 512 [ 45.196018][ T538] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 45.220315][ T30] audit: type=1400 audit(1759970669.405:98): avc: denied { mount } for pid=537 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 45.220334][ T538] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/9/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 45.264842][ T562] loop2: detected capacity change from 0 to 512 [ 45.275388][ T562] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 45.277881][ T565] loop4: detected capacity change from 0 to 512 [ 45.294549][ T30] audit: type=1400 audit(1759970669.485:99): avc: denied { unmount } for pid=345 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 45.327124][ T574] loop5: detected capacity change from 0 to 512 [ 45.339718][ T574] EXT4-fs (loop5): Magic mismatch, very weird! [ 45.366045][ T586] loop4: detected capacity change from 0 to 512 [ 45.386865][ T592] loop2: detected capacity change from 0 to 512 [ 45.431862][ T604] loop0: detected capacity change from 0 to 518 [ 45.432274][ T603] blk_update_request: I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 45.464645][ T614] loop3: detected capacity change from 0 to 512 [ 45.466409][ T603] blk_update_request: I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 45.490122][ T618] loop5: detected capacity change from 0 to 512 [ 45.495781][ T603] Buffer I/O error on dev loop0, logical block 0, async page read [ 45.510937][ T620] loop1: detected capacity change from 0 to 512 [ 45.531604][ T614] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 45.547572][ T614] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/9/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 45.570152][ T633] loop2: detected capacity change from 0 to 512 [ 45.570604][ T632] loop4: detected capacity change from 0 to 512 [ 45.603363][ T638] loop5: detected capacity change from 0 to 519 [ 45.607781][ T643] loop0: detected capacity change from 0 to 512 [ 45.623407][ T643] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 45.634294][ T633] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 45.644762][ T632] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 45.666758][ T638] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 45.757986][ T677] loop5: detected capacity change from 0 to 512 [ 45.769157][ T690] loop1: detected capacity change from 0 to 512 [ 45.800105][ T690] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 45.829640][ T714] loop5: detected capacity change from 0 to 512 [ 45.881673][ T726] loop2: detected capacity change from 0 to 512 [ 45.885568][ T730] loop0: detected capacity change from 0 to 512 [ 45.902548][ T737] loop4: detected capacity change from 0 to 512 [ 45.945609][ T737] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 45.954614][ T737] EXT4-fs (loop4): failed to initialize system zone (-117) [ 45.962666][ T737] EXT4-fs (loop4): mount failed [ 45.989686][ T768] loop1: detected capacity change from 0 to 519 [ 45.998892][ T768] EXT4-fs (loop1): Magic mismatch, very weird! [ 46.030532][ T789] loop4: detected capacity change from 0 to 512 [ 46.035378][ T781] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 46.038777][ T787] loop0: detected capacity change from 0 to 512 [ 46.064897][ T795] loop3: detected capacity change from 0 to 512 [ 46.083227][ T795] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 46.111826][ T804] loop1: detected capacity change from 0 to 512 [ 46.136721][ T819] loop4: detected capacity change from 0 to 512 [ 46.162199][ T804] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 46.168087][ T819] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 46.170538][ T804] EXT4-fs (loop1): failed to initialize system zone (-117) [ 46.182387][ T830] loop0: detected capacity change from 0 to 512 [ 46.186476][ T804] EXT4-fs (loop1): mount failed [ 46.191521][ T821] loop2: detected capacity change from 0 to 519 [ 46.253877][ T839] loop3: detected capacity change from 0 to 512 [ 46.271030][ T856] loop2: detected capacity change from 0 to 512 [ 46.272325][ T853] loop0: detected capacity change from 0 to 512 [ 46.325787][ T875] loop1: detected capacity change from 0 to 512 [ 46.326314][ T874] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 46.335423][ T877] loop4: detected capacity change from 0 to 512 [ 46.344359][ T853] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 46.364273][ T853] EXT4-fs (loop0): failed to initialize system zone (-117) [ 46.374473][ T853] EXT4-fs (loop0): mount failed [ 46.386468][ T883] loop3: detected capacity change from 0 to 512 [ 46.395670][ T883] EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 46.411786][ T883] EXT4-fs (loop3): group descriptors corrupted! [ 46.431844][ T887] loop2: detected capacity change from 0 to 512 [ 46.456845][ T899] loop0: detected capacity change from 0 to 512 [ 46.458789][ T901] loop4: detected capacity change from 0 to 519 [ 46.484056][ T908] loop5: detected capacity change from 0 to 512 [ 46.494409][ T909] loop3: detected capacity change from 0 to 517 [ 46.504628][ T908] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 46.545510][ T928] loop4: detected capacity change from 0 to 512 [ 46.574488][ T943] loop5: detected capacity change from 0 to 512 [ 46.581487][ T928] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 46.598631][ T948] loop2: detected capacity change from 0 to 512 [ 46.599818][ T950] loop0: detected capacity change from 0 to 512 [ 46.626797][ T948] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 46.648297][ T967] loop4: detected capacity change from 0 to 519 [ 46.648296][ T963] loop5: detected capacity change from 0 to 512 [ 46.663357][ T960] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 46.698917][ T979] loop3: detected capacity change from 0 to 512 [ 46.707496][ T979] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 46.742750][ T986] loop0: detected capacity change from 0 to 512 [ 46.755956][ T994] loop4: detected capacity change from 0 to 519 [ 46.780438][ T1007] loop5: detected capacity change from 0 to 512 [ 46.788946][ T988] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 46.790030][ T1006] EXT4-fs warning (device loop0): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 46.813359][ T1004] loop3: detected capacity change from 0 to 512 [ 46.822820][ T986] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 46.832704][ T1007] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 46.847757][ T986] EXT4-fs (loop0): failed to initialize system zone (-117) [ 46.848778][ T1018] loop1: detected capacity change from 0 to 512 [ 46.855850][ T986] EXT4-fs (loop0): mount failed [ 46.866478][ T1007] EXT4-fs (loop5): group descriptors corrupted! [ 46.902959][ T1023] loop2: detected capacity change from 0 to 512 [ 46.907014][ T1026] loop0: detected capacity change from 0 to 512 [ 46.935237][ T1023] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 2025/10/09 00:44:31 executed programs: 213 [ 46.964549][ T1026] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 46.966713][ T1041] loop4: detected capacity change from 0 to 519 [ 46.991480][ T1050] loop1: detected capacity change from 0 to 512 [ 47.039570][ T1060] loop3: detected capacity change from 0 to 517 [ 47.051677][ T1065] loop5: detected capacity change from 0 to 512 [ 47.086679][ T1083] loop4: detected capacity change from 0 to 512 [ 47.106528][ T1092] loop0: detected capacity change from 0 to 512 [ 47.107852][ T1091] blk_update_request: I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 47.152358][ T1102] loop1: detected capacity change from 0 to 512 [ 47.155506][ T1105] loop5: detected capacity change from 0 to 512 [ 47.185956][ T1105] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 47.204430][ T1102] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 47.285494][ T1146] loop0: detected capacity change from 0 to 512 [ 47.294490][ T1141] loop2: detected capacity change from 0 to 512 [ 47.317679][ T1158] loop3: detected capacity change from 0 to 512 [ 47.335571][ T1169] EXT4-fs warning (device loop3): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 47.337816][ T1146] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 47.360773][ T1158] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 47.383506][ T1158] EXT4-fs (loop3): failed to initialize system zone (-117) [ 47.391129][ T1158] EXT4-fs (loop3): mount failed [ 47.407371][ T1181] loop5: detected capacity change from 0 to 512 [ 47.419070][ T1181] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 47.462942][ T1192] loop2: detected capacity change from 0 to 512 [ 47.467937][ T1185] loop1: detected capacity change from 0 to 512 [ 47.482270][ T1185] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 47.485488][ T1192] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 47.494195][ T1185] EXT4-fs (loop1): group descriptors corrupted! [ 47.514324][ T1202] loop4: detected capacity change from 0 to 512 [ 47.523635][ T1205] loop0: detected capacity change from 0 to 512 [ 47.540784][ T1209] loop5: detected capacity change from 0 to 512 [ 47.548224][ T1202] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 47.569972][ T1215] loop3: detected capacity change from 0 to 512 [ 47.588754][ T1220] loop2: detected capacity change from 0 to 512 [ 47.591029][ T1223] loop0: detected capacity change from 0 to 512 [ 47.605587][ T1223] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 47.640101][ T1240] loop4: detected capacity change from 0 to 512 [ 47.640752][ T1239] loop1: detected capacity change from 0 to 519 [ 47.657739][ T1238] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 0 [ 47.676054][ T1244] loop2: detected capacity change from 0 to 512 [ 47.676319][ T1247] loop5: detected capacity change from 0 to 512 [ 47.698834][ T1244] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 47.715786][ T1254] loop3: detected capacity change from 0 to 512 [ 47.715929][ T1244] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/44/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 47.754277][ T1261] loop0: detected capacity change from 0 to 512 [ 47.784218][ T1247] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 47.786112][ T1272] loop1: detected capacity change from 0 to 519 [ 47.802325][ T1261] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 47.806371][ T1247] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/48/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 47.822503][ T1272] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 47.847394][ T1281] loop2: detected capacity change from 0 to 512 [ 47.863004][ T1278] loop3: detected capacity change from 0 to 517 [ 47.863541][ T1277] Buffer I/O error on dev loop3, logical block 0, async page read [ 47.876755][ T1281] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 47.899089][ T1292] loop0: detected capacity change from 0 to 512 [ 47.900831][ T1287] loop4: detected capacity change from 0 to 512 [ 47.923266][ T1292] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 47.924724][ T1299] loop1: detected capacity change from 0 to 512 [ 47.953252][ T1287] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 47.964359][ T1299] EXT4-fs (loop1): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? [ 47.992253][ T1311] loop5: detected capacity change from 0 to 512 [ 47.998614][ T1317] loop2: detected capacity change from 0 to 512 [ 48.002402][ T1315] loop3: detected capacity change from 0 to 512 [ 48.011586][ T1317] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 48.035743][ T1315] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 48.059384][ T1315] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/50/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 48.083475][ T1342] loop5: detected capacity change from 0 to 512 [ 48.106675][ T1346] loop1: detected capacity change from 0 to 512 [ 48.116808][ T1342] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.137066][ T1353] loop0: detected capacity change from 0 to 512 [ 48.138818][ T1354] loop4: detected capacity change from 0 to 512 [ 48.151337][ T1349] loop2: detected capacity change from 0 to 512 [ 48.163372][ T1353] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.167653][ T1354] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.205755][ T1365] loop5: detected capacity change from 0 to 512 [ 48.218483][ T1361] Buffer I/O error on dev loop5, logical block 0, async page read [ 48.268205][ T1388] loop0: detected capacity change from 0 to 512 [ 48.282620][ T1391] loop3: detected capacity change from 0 to 517 [ 48.314298][ T1391] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 48.328920][ T1391] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/54/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 48.357871][ T1398] loop1: detected capacity change from 0 to 512 [ 48.405405][ T1412] loop2: detected capacity change from 0 to 512 [ 48.410968][ T1417] loop5: detected capacity change from 0 to 519 [ 48.425348][ T1412] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.466954][ T1430] loop3: detected capacity change from 0 to 512 [ 48.481045][ T1434] loop4: detected capacity change from 0 to 512 [ 48.513427][ T1434] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.555791][ T1461] loop2: detected capacity change from 0 to 512 [ 48.556530][ T1463] loop0: detected capacity change from 0 to 512 [ 48.580293][ T1459] loop5: detected capacity change from 0 to 519 [ 48.581307][ T1469] loop4: detected capacity change from 0 to 512 [ 48.594498][ T1466] loop3: detected capacity change from 0 to 512 [ 48.613259][ T1461] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.629902][ T1469] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 48.645097][ T1469] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/52/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 48.677361][ T1480] loop1: detected capacity change from 0 to 512 [ 48.680358][ T1486] loop0: detected capacity change from 0 to 512 [ 48.692662][ T1483] loop3: detected capacity change from 0 to 512 [ 48.698521][ T1489] loop5: detected capacity change from 0 to 512 [ 48.706631][ T1480] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.732426][ T1492] loop2: detected capacity change from 0 to 512 [ 48.768346][ T1492] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.815193][ T1517] loop5: detected capacity change from 0 to 512 [ 48.830841][ T1520] loop3: detected capacity change from 0 to 512 [ 48.840251][ T1517] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 48.849029][ T1517] EXT4-fs (loop5): failed to initialize system zone (-117) [ 48.857202][ T1517] EXT4-fs (loop5): mount failed [ 48.868039][ T1534] loop1: detected capacity change from 0 to 512 [ 48.882749][ T1534] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 48.882846][ T1539] loop0: detected capacity change from 0 to 512 [ 48.900481][ T1542] loop2: detected capacity change from 0 to 519 [ 48.905063][ T1539] EXT4-fs (loop0): Magic mismatch, very weird! [ 48.911746][ T1545] loop4: detected capacity change from 0 to 512 [ 48.921037][ T1542] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 48.948366][ T1554] loop5: detected capacity change from 0 to 512 [ 48.948907][ T1547] Buffer I/O error on dev loop5, logical block 0, async page read [ 48.972257][ T1560] loop3: detected capacity change from 0 to 517 [ 48.977182][ T1557] loop1: detected capacity change from 0 to 512 [ 49.007258][ T1564] loop2: detected capacity change from 0 to 512 [ 49.017718][ T1572] loop5: detected capacity change from 0 to 512 [ 49.031311][ T1575] loop4: detected capacity change from 0 to 512 [ 49.067264][ T1586] loop0: detected capacity change from 0 to 512 [ 49.067798][ T1584] Buffer I/O error on dev loop0, logical block 0, async page read [ 49.096445][ T1593] loop2: detected capacity change from 0 to 512 [ 49.111251][ T1605] loop3: detected capacity change from 0 to 512 [ 49.121061][ T1608] loop1: detected capacity change from 0 to 512 [ 49.129088][ T1605] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 49.152648][ T1617] loop0: detected capacity change from 0 to 512 [ 49.164843][ T1608] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.171156][ T1617] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 49.185594][ T1617] EXT4-fs (loop0): group descriptors corrupted! [ 49.205845][ T1630] loop4: detected capacity change from 0 to 512 [ 49.225104][ T1636] loop5: detected capacity change from 0 to 512 [ 49.244069][ T1636] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.280342][ T1647] loop1: detected capacity change from 0 to 512 [ 49.322009][ T1669] loop0: detected capacity change from 0 to 512 [ 49.334268][ T1672] loop4: detected capacity change from 0 to 519 [ 49.345457][ T1687] loop5: detected capacity change from 0 to 512 [ 49.370241][ T1693] loop3: detected capacity change from 0 to 512 [ 49.377285][ T1669] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.398718][ T1701] loop1: detected capacity change from 0 to 512 [ 49.445106][ T1714] loop0: detected capacity change from 0 to 512 [ 49.465031][ T1725] loop1: detected capacity change from 0 to 512 [ 49.467932][ T1728] loop3: detected capacity change from 0 to 512 [ 49.480059][ T1720] loop2: detected capacity change from 0 to 519 [ 49.496172][ T1718] Buffer I/O error on dev loop2, logical block 0, async page read [ 49.521998][ T1737] loop4: detected capacity change from 0 to 519 [ 49.541669][ T1728] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 49.556717][ T1728] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/74/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 49.626090][ T1751] loop0: detected capacity change from 0 to 512 [ 49.629661][ T1755] loop1: detected capacity change from 0 to 512 [ 49.637337][ T1757] loop5: detected capacity change from 0 to 512 [ 49.646989][ T1747] Buffer I/O error on dev loop0, logical block 0, async page read [ 49.679551][ T1757] EXT4-fs (loop5): Encoding requested by superblock is unknown [ 49.681963][ T1764] loop2: detected capacity change from 0 to 512 [ 49.706948][ T1772] loop3: detected capacity change from 0 to 512 [ 49.721561][ T1772] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 49.723242][ T1771] EXT4-fs warning (device loop2): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 49.754798][ T1764] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 49.774589][ T1777] loop1: detected capacity change from 0 to 512 [ 49.775522][ T1764] EXT4-fs (loop2): failed to initialize system zone (-117) [ 49.787150][ T1787] loop4: detected capacity change from 0 to 519 [ 49.789959][ T1764] EXT4-fs (loop2): mount failed [ 49.801104][ T1789] loop5: detected capacity change from 0 to 512 [ 49.827353][ T1798] loop0: detected capacity change from 0 to 512 [ 49.847501][ T1801] loop1: detected capacity change from 0 to 512 [ 49.853973][ T1798] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.891838][ T1801] EXT4-fs (loop1): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 49.922886][ T1801] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/85/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 49.945340][ T1827] loop4: detected capacity change from 0 to 512 [ 49.984456][ T1839] loop3: detected capacity change from 0 to 512 [ 49.997549][ T1845] loop2: detected capacity change from 0 to 512 [ 50.016000][ T1850] loop4: detected capacity change from 0 to 512 [ 50.032489][ T1845] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 50.050915][ T1850] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 50.075406][ T1866] loop0: detected capacity change from 0 to 512 [ 50.078625][ T1871] loop3: detected capacity change from 0 to 512 [ 50.095355][ T1866] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.117494][ T1871] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.130855][ T1885] loop4: detected capacity change from 0 to 512 [ 50.161299][ T1899] loop2: detected capacity change from 0 to 519 [ 50.177261][ T1902] loop5: detected capacity change from 0 to 512 [ 50.188295][ T1905] loop0: detected capacity change from 0 to 518 [ 50.196651][ T1905] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 50.205506][ T1905] EXT4-fs (loop0): failed to initialize system zone (-117) [ 50.213055][ T1905] EXT4-fs (loop0): mount failed [ 50.228386][ T1902] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 50.229272][ T1914] loop4: detected capacity change from 0 to 512 [ 50.259585][ T1922] loop3: detected capacity change from 0 to 512 [ 50.270517][ T1922] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 50.290393][ T1902] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/85/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 50.292942][ T1929] loop2: detected capacity change from 0 to 512 [ 50.314734][ T1931] loop4: detected capacity change from 0 to 512 [ 50.331192][ T1938] loop1: detected capacity change from 0 to 512 [ 50.344659][ T1929] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.359957][ T1944] loop3: detected capacity change from 0 to 517 [ 50.381194][ T1954] loop5: detected capacity change from 0 to 512 [ 50.389611][ T1950] loop4: detected capacity change from 0 to 512 [ 50.400326][ T1944] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 50.418359][ T1944] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/83/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 50.436740][ T1962] loop0: detected capacity change from 0 to 512 [ 50.455499][ T1954] EXT4-fs (loop5): Magic mismatch, very weird! [ 50.476858][ T1962] EXT4-fs (loop0): Magic mismatch, very weird! [ 50.489298][ T1975] loop1: detected capacity change from 0 to 512 [ 50.498515][ T1950] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 50.517005][ T1978] loop2: detected capacity change from 0 to 512 [ 50.522851][ T1981] loop5: detected capacity change from 0 to 512 [ 50.531255][ T1950] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/79/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 50.550684][ T1975] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 50.560336][ T1983] EXT4-fs warning (device loop5): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 50.560719][ T1978] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 50.573171][ T1975] EXT4-fs (loop1): group descriptors corrupted! [ 50.589524][ T1981] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 50.602699][ T1981] EXT4-fs (loop5): failed to initialize system zone (-117) [ 50.610867][ T1981] EXT4-fs (loop5): mount failed [ 50.620485][ T1992] loop0: detected capacity change from 0 to 512 [ 50.630131][ T1992] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.651780][ T1999] loop2: detected capacity change from 0 to 512 [ 50.667382][ T2002] loop4: detected capacity change from 0 to 512 [ 50.689960][ T2002] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 50.697161][ T1999] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 50.713295][ T1999] EXT4-fs (loop2): group descriptors corrupted! [ 50.764355][ T2035] loop4: detected capacity change from 0 to 512 [ 50.768505][ T2028] loop0: detected capacity change from 0 to 512 [ 50.790080][ T2043] EXT4-fs warning (device loop4): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 50.804939][ T2035] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 50.820863][ T2057] loop5: detected capacity change from 0 to 512 [ 50.831372][ T2035] EXT4-fs (loop4): failed to initialize system zone (-117) [ 50.849189][ T2057] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 50.852142][ T2035] EXT4-fs (loop4): mount failed [ 50.907630][ T2064] loop1: detected capacity change from 0 to 512 [ 50.913263][ T2076] loop2: detected capacity change from 0 to 512 [ 50.920231][ T2078] loop4: detected capacity change from 0 to 519 [ 50.933767][ T2073] loop5: detected capacity change from 0 to 512 [ 50.942999][ T2082] loop0: detected capacity change from 0 to 512 [ 50.953920][ T2064] EXT4-fs (loop1): Magic mismatch, very weird! [ 50.967056][ T2087] EXT4-fs warning (device loop0): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 50.978637][ T2078] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.980215][ T2082] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 50.996907][ T2082] EXT4-fs (loop0): failed to initialize system zone (-117) [ 51.013260][ T2082] EXT4-fs (loop0): mount failed [ 51.062634][ T2110] loop4: detected capacity change from 0 to 512 [ 51.069561][ T2105] loop3: detected capacity change from 0 to 512 [ 51.080030][ T2116] loop5: detected capacity change from 0 to 512 [ 51.113133][ T2129] loop0: detected capacity change from 0 to 518 [ 51.117405][ T2131] loop1: detected capacity change from 0 to 512 [ 51.130082][ T2131] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 51.160424][ T2144] loop3: detected capacity change from 0 to 517 [ 51.170553][ T2146] loop5: detected capacity change from 0 to 512 [ 51.177462][ T2142] loop4: detected capacity change from 0 to 512 [ 51.178351][ T2136] print_req_error: 12 callbacks suppressed [ 51.178367][ T2136] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 51.193426][ T2142] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 51.216791][ T2152] loop2: detected capacity change from 0 to 512 [ 51.225637][ T2155] loop0: detected capacity change from 0 to 512 [ 51.246789][ T2146] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 51.265349][ T2146] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/96/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 51.348859][ T2189] loop3: detected capacity change from 0 to 512 [ 51.391034][ T2214] loop0: detected capacity change from 0 to 512 [ 51.391721][ T2189] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 51.409546][ T2211] loop1: detected capacity change from 0 to 512 [ 51.412795][ T2189] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/98/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 51.453001][ T2222] EXT4-fs warning (device loop0): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 51.472887][ T2220] loop5: detected capacity change from 0 to 512 [ 51.481058][ T2214] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 51.494303][ T2230] loop2: detected capacity change from 0 to 512 [ 51.495993][ T2214] EXT4-fs (loop0): failed to initialize system zone (-117) [ 51.517171][ T2211] EXT4-fs (loop1): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 51.518964][ T2236] loop4: detected capacity change from 0 to 512 [ 51.540914][ T2214] EXT4-fs (loop0): mount failed [ 51.560980][ T2211] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/112/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 51.593754][ T2245] loop2: detected capacity change from 0 to 519 [ 51.602445][ T2245] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 51.637239][ T2256] loop4: detected capacity change from 0 to 512 [ 51.650083][ T2260] loop0: detected capacity change from 0 to 512 [ 51.665661][ T2254] loop5: detected capacity change from 0 to 512 [ 51.673277][ T2258] loop1: detected capacity change from 0 to 512 [ 51.682385][ T2264] loop3: detected capacity change from 0 to 512 [ 51.692150][ T2256] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 51.700793][ T2258] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 51.711410][ T2260] EXT4-fs (loop0): Magic mismatch, very weird! [ 51.733000][ T2272] loop2: detected capacity change from 0 to 512 [ 51.761635][ T2272] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 51.778816][ T2272] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/104/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 51.796087][ T2278] loop0: detected capacity change from 0 to 518 [ 51.803050][ T2291] loop4: detected capacity change from 0 to 512 [ 51.815231][ T2264] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 51.816823][ T2294] loop5: detected capacity change from 0 to 512 [ 51.849380][ T2264] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/100/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 51.856285][ T2291] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 51.877288][ T2301] loop1: detected capacity change from 0 to 512 [ 51.902360][ T2308] loop2: detected capacity change from 0 to 512 [ 51.922528][ T2311] loop5: detected capacity change from 0 to 512 [ 51.934068][ T2308] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 51.934535][ T2316] loop4: detected capacity change from 0 to 512 [ 51.965846][ T2324] loop3: detected capacity change from 0 to 512 [ 51.977138][ T2301] EXT4-fs (loop1): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 51.998515][ T2301] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/116/file0 supports timestamps until 2038-01-19 (0x7fffffff) 2025/10/09 00:44:36 executed programs: 620 [ 52.022314][ T2330] loop5: detected capacity change from 0 to 512 [ 52.113213][ T2337] loop4: detected capacity change from 0 to 512 [ 52.135292][ T2364] loop5: detected capacity change from 0 to 512 [ 52.163052][ T2373] loop4: detected capacity change from 0 to 512 [ 52.179074][ T2355] loop0: detected capacity change from 0 to 512 [ 52.191138][ T2380] loop1: detected capacity change from 0 to 512 [ 52.212352][ T2387] EXT4-fs warning (device loop4): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 52.228266][ T2373] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 52.232681][ T2390] loop3: detected capacity change from 0 to 512 [ 52.238328][ T2373] EXT4-fs (loop4): failed to initialize system zone (-117) [ 52.251101][ T2373] EXT4-fs (loop4): mount failed [ 52.270013][ T2397] loop2: detected capacity change from 0 to 512 [ 52.278808][ T2398] loop0: detected capacity change from 0 to 512 [ 52.281312][ T2402] loop1: detected capacity change from 0 to 512 [ 52.297360][ T2405] loop5: detected capacity change from 0 to 512 [ 52.304284][ T2398] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 52.311655][ T2397] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 52.329563][ T2402] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 52.391894][ T2437] loop4: detected capacity change from 0 to 512 [ 52.399050][ T2442] loop3: detected capacity change from 0 to 512 [ 52.415686][ T2447] loop0: detected capacity change from 0 to 512 [ 52.429087][ T2453] loop1: detected capacity change from 0 to 512 [ 52.439086][ T2446] loop2: detected capacity change from 0 to 512 [ 52.443456][ T2442] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 52.461964][ T2447] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 52.490933][ T2468] loop1: detected capacity change from 0 to 512 [ 52.505894][ T2474] loop0: detected capacity change from 0 to 518 [ 52.540039][ T2486] loop2: detected capacity change from 0 to 519 [ 52.542790][ T2485] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 52.561649][ T2490] loop3: detected capacity change from 0 to 512 [ 52.566663][ T2495] loop5: detected capacity change from 0 to 512 [ 52.583381][ T2495] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 52.612411][ T2503] loop2: detected capacity change from 0 to 512 [ 52.639588][ T2513] loop3: detected capacity change from 0 to 517 [ 52.682898][ T2537] loop4: detected capacity change from 0 to 512 [ 52.698094][ T2540] loop5: detected capacity change from 0 to 512 [ 52.719003][ T2543] loop2: detected capacity change from 0 to 519 [ 52.742855][ T2555] loop1: detected capacity change from 0 to 512 [ 52.767525][ T2561] loop4: detected capacity change from 0 to 512 [ 52.778395][ T2559] loop5: detected capacity change from 0 to 512 [ 52.795567][ T2570] loop2: detected capacity change from 0 to 512 [ 52.807197][ T2573] loop0: detected capacity change from 0 to 512 [ 52.881390][ T2601] loop1: detected capacity change from 0 to 512 [ 52.890313][ T2605] loop3: detected capacity change from 0 to 512 [ 52.948896][ T2605] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 52.966032][ T2605] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/119/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 52.992396][ T2640] loop1: detected capacity change from 0 to 512 [ 53.010692][ T2648] loop5: detected capacity change from 0 to 512 [ 53.015109][ T2650] loop4: detected capacity change from 0 to 512 [ 53.043385][ T2650] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 53.052211][ T2656] loop0: detected capacity change from 0 to 512 [ 53.060417][ T2640] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 53.072080][ T2656] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 53.089661][ T2667] loop5: detected capacity change from 0 to 512 [ 53.089661][ T2668] loop2: detected capacity change from 0 to 512 [ 53.094132][ T2667] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 53.099535][ T2671] loop3: detected capacity change from 0 to 512 [ 53.117494][ T2668] EXT4-fs (loop2): Magic mismatch, very weird! [ 53.123515][ T2671] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 53.210113][ T2707] loop0: detected capacity change from 0 to 512 [ 53.235573][ T2720] loop5: detected capacity change from 0 to 512 [ 53.247818][ T2707] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 53.287646][ T2720] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 53.337145][ T2758] loop2: detected capacity change from 0 to 512 [ 53.339305][ T2761] loop3: detected capacity change from 0 to 512 [ 53.347669][ T2757] loop1: detected capacity change from 0 to 519 [ 53.377097][ T2770] loop0: detected capacity change from 0 to 512 [ 53.385952][ T2767] loop4: detected capacity change from 0 to 512 [ 53.392869][ T2772] EXT4-fs warning (device loop2): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 53.404760][ T2758] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 53.413310][ T2758] EXT4-fs (loop2): failed to initialize system zone (-117) [ 53.422586][ T2758] EXT4-fs (loop2): mount failed [ 53.435377][ T2757] EXT4-fs (loop1): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 53.439251][ T2780] loop5: detected capacity change from 0 to 512 [ 53.459172][ T2757] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/140/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 53.462700][ T2780] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 53.479405][ T2784] loop3: detected capacity change from 0 to 512 [ 53.502558][ T2767] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 53.526118][ T2792] loop0: detected capacity change from 0 to 512 [ 53.526824][ T2767] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/118/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 53.555219][ T2792] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 53.577370][ T2801] loop3: detected capacity change from 0 to 512 [ 53.591119][ T2806] loop1: detected capacity change from 0 to 512 [ 53.599058][ T2801] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 53.629672][ T2821] loop5: detected capacity change from 0 to 512 [ 53.641452][ T2824] loop2: detected capacity change from 0 to 519 [ 53.655472][ T2828] loop1: detected capacity change from 0 to 512 [ 53.656370][ T2819] loop4: detected capacity change from 0 to 512 [ 53.665857][ T2831] loop3: detected capacity change from 0 to 517 [ 53.685521][ T2821] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 53.699443][ T2828] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 53.699505][ T2819] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 53.715292][ T2824] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 53.736401][ T2841] loop0: detected capacity change from 0 to 512 [ 53.754780][ T2831] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 53.769583][ T2831] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/130/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 53.799448][ T2847] loop1: detected capacity change from 0 to 512 [ 53.816003][ T2854] loop2: detected capacity change from 0 to 512 [ 53.883778][ T2860] EXT4-fs warning (device loop1): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 53.907172][ T2865] loop5: detected capacity change from 0 to 512 [ 53.918214][ T2871] loop4: detected capacity change from 0 to 512 [ 53.924671][ T2847] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 53.933495][ T2847] EXT4-fs (loop1): failed to initialize system zone (-117) [ 53.940869][ T2847] EXT4-fs (loop1): mount failed [ 53.962878][ T2854] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 53.987471][ T2871] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 53.990177][ T2854] EXT4-fs (loop2): failed to initialize system zone (-117) [ 54.010196][ T2854] EXT4-fs (loop2): mount failed [ 54.017813][ T2865] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 54.049600][ T2865] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/134/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 54.057828][ T2882] loop0: detected capacity change from 0 to 512 [ 54.077277][ T2884] loop1: detected capacity change from 0 to 512 [ 54.094231][ T2887] loop3: detected capacity change from 0 to 512 [ 54.123594][ T2887] EXT4-fs (loop3): Magic mismatch, very weird! [ 54.161774][ T2882] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 54.178286][ T2899] loop4: detected capacity change from 0 to 512 [ 54.205165][ T2896] loop2: detected capacity change from 0 to 512 [ 54.239817][ T2899] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 54.258917][ T2912] loop3: detected capacity change from 0 to 517 [ 54.280850][ T2919] loop0: detected capacity change from 0 to 512 [ 54.310986][ T2896] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 54.327770][ T2926] loop5: detected capacity change from 0 to 512 [ 54.345775][ T2896] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/137/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 54.385115][ T2933] loop4: detected capacity change from 0 to 512 [ 54.395375][ T2926] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 54.407937][ T2937] loop3: detected capacity change from 0 to 512 [ 54.417947][ T2931] loop1: detected capacity change from 0 to 512 [ 54.427522][ T2939] loop0: detected capacity change from 0 to 512 [ 54.434373][ T2937] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 54.473226][ T2931] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 54.485600][ T2933] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 54.510591][ T2944] loop5: detected capacity change from 0 to 512 [ 54.530087][ T2939] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 54.544736][ T2939] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/126/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 54.595405][ T2953] loop2: detected capacity change from 0 to 512 [ 54.612520][ T2961] loop1: detected capacity change from 0 to 512 [ 54.663952][ T2974] loop5: detected capacity change from 0 to 512 [ 54.670276][ T2970] blk_update_request: I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 54.700034][ T2961] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 54.716145][ T2977] loop4: detected capacity change from 0 to 512 [ 54.726472][ T2982] loop3: detected capacity change from 0 to 512 [ 54.745573][ T2986] loop0: detected capacity change from 0 to 512 [ 54.748116][ T2989] loop2: detected capacity change from 0 to 512 [ 54.758541][ T2977] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 54.803510][ T2989] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 54.809520][ T2998] loop1: detected capacity change from 0 to 512 [ 54.838699][ T3007] loop3: detected capacity change from 0 to 512 [ 54.855355][ T2998] EXT4-fs (loop1): Magic mismatch, very weird! [ 54.888696][ T3020] loop0: detected capacity change from 0 to 512 [ 54.922685][ T3020] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 54.944477][ T3028] loop5: detected capacity change from 0 to 512 [ 54.997296][ T3047] loop2: detected capacity change from 0 to 512 [ 55.024748][ T3049] loop1: detected capacity change from 0 to 512 [ 55.031315][ T3055] loop0: detected capacity change from 0 to 512 [ 55.044741][ T3061] loop4: detected capacity change from 0 to 512 [ 55.074955][ T3047] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 55.128211][ T3061] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 55.146793][ T3085] loop3: detected capacity change from 0 to 512 [ 55.153289][ T3061] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/132/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.168938][ T3085] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 55.190094][ T3091] loop0: detected capacity change from 0 to 512 [ 55.192707][ T3093] loop1: detected capacity change from 0 to 512 [ 55.208436][ T3095] loop5: detected capacity change from 0 to 512 [ 55.218662][ T3091] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 55.238700][ T3091] EXT4-fs (loop0): failed to initialize system zone (-117) [ 55.247003][ T3091] EXT4-fs (loop0): mount failed [ 55.255862][ T3102] loop3: detected capacity change from 0 to 512 [ 55.259100][ T3106] loop2: detected capacity change from 0 to 512 [ 55.264261][ T3095] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 55.287960][ T3109] loop4: detected capacity change from 0 to 512 [ 55.304463][ T3095] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/148/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.313287][ T3106] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 55.351806][ T3116] loop1: detected capacity change from 0 to 512 [ 55.364937][ T3102] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 55.403233][ T3102] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/147/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.407722][ T3120] loop2: detected capacity change from 0 to 512 [ 55.429751][ T3116] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 55.469097][ T3135] loop0: detected capacity change from 0 to 512 [ 55.515949][ T3135] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 55.521313][ T3144] loop1: detected capacity change from 0 to 519 [ 55.528914][ T3139] loop4: detected capacity change from 0 to 512 [ 55.551122][ T3142] loop5: detected capacity change from 0 to 512 [ 55.558123][ T3141] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 55.584661][ T3150] loop3: detected capacity change from 0 to 512 [ 55.607159][ T3139] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 55.672162][ T3168] loop0: detected capacity change from 0 to 512 [ 55.687099][ T3165] loop2: detected capacity change from 0 to 519 [ 55.729161][ T3187] loop4: detected capacity change from 0 to 519 [ 55.735990][ T3180] loop3: detected capacity change from 0 to 512 [ 55.759687][ T3179] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 55.761481][ T3195] loop1: detected capacity change from 0 to 519 [ 55.773152][ T3182] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 55.829246][ T3207] loop2: detected capacity change from 0 to 512 [ 55.831623][ T3205] loop0: detected capacity change from 0 to 518 [ 55.866140][ T3207] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 55.880449][ T3207] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/151/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.931275][ T3223] loop4: detected capacity change from 0 to 519 [ 55.947539][ T3223] EXT4-fs (loop4): Magic mismatch, very weird! [ 55.957763][ T3229] loop0: detected capacity change from 0 to 512 [ 55.960222][ T3233] loop3: detected capacity change from 0 to 512 [ 55.971345][ T3231] loop5: detected capacity change from 0 to 512 [ 56.009525][ T3229] EXT4-fs (loop0): Magic mismatch, very weird! [ 56.048281][ T3233] EXT4-fs (loop3): Encoding requested by superblock is unknown [ 56.171477][ T3270] loop0: detected capacity change from 0 to 512 [ 56.211511][ T3272] loop2: detected capacity change from 0 to 512 [ 56.250262][ T3284] loop0: detected capacity change from 0 to 512 [ 56.271038][ T3290] loop4: detected capacity change from 0 to 512 [ 56.320962][ T3303] loop2: detected capacity change from 0 to 512 [ 56.328031][ T3284] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 56.343447][ T3305] loop3: detected capacity change from 0 to 512 [ 56.401594][ T3326] loop4: detected capacity change from 0 to 512 [ 56.421350][ T3333] loop1: detected capacity change from 0 to 512 [ 56.430895][ T3335] loop2: detected capacity change from 0 to 512 [ 56.449625][ T3342] loop3: detected capacity change from 0 to 512 [ 56.461050][ T3326] EXT4-fs (loop4): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? [ 56.481849][ T3333] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 56.520635][ T3342] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 56.541025][ T3342] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/156/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 56.577714][ T3370] loop4: detected capacity change from 0 to 512 [ 56.592962][ T3373] loop2: detected capacity change from 0 to 512 [ 56.687217][ T3402] loop0: detected capacity change from 0 to 512 [ 56.692479][ T3394] loop4: detected capacity change from 0 to 512 [ 56.756430][ T3425] loop0: detected capacity change from 0 to 512 [ 56.775614][ T3431] loop1: detected capacity change from 0 to 519 [ 56.871079][ T3467] loop0: detected capacity change from 0 to 518 [ 56.928024][ T3479] loop2: detected capacity change from 0 to 512 [ 56.958241][ T3498] loop3: detected capacity change from 0 to 512 2025/10/09 00:44:41 executed programs: 998 [ 57.014640][ T3512] loop1: detected capacity change from 0 to 512 [ 57.030699][ T3507] loop5: detected capacity change from 0 to 512 [ 57.099275][ T3530] loop1: detected capacity change from 0 to 519 [ 57.115355][ T3529] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 57.157533][ T3541] loop3: detected capacity change from 0 to 512 [ 57.177779][ T3552] loop0: detected capacity change from 0 to 512 [ 57.203783][ T3554] loop2: detected capacity change from 0 to 512 [ 57.229443][ T3551] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 57.246130][ T3568] loop5: detected capacity change from 0 to 512 [ 57.274867][ T3541] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 57.280545][ T3575] loop4: detected capacity change from 0 to 512 [ 57.331003][ T3580] loop1: detected capacity change from 0 to 512 [ 57.331297][ T3541] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/168/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 57.345643][ T3568] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 57.360558][ T3575] EXT4-fs (loop4): Magic mismatch, very weird! [ 57.382082][ T3585] loop2: detected capacity change from 0 to 512 [ 57.407299][ T3580] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 57.414955][ T3585] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 57.435432][ T3585] EXT4-fs (loop2): group descriptors corrupted! [ 57.448353][ T3587] loop0: detected capacity change from 0 to 512 [ 57.506588][ T3595] loop5: detected capacity change from 0 to 512 [ 57.520128][ T3599] loop4: detected capacity change from 0 to 519 [ 57.533689][ T3606] loop1: detected capacity change from 0 to 512 [ 57.540907][ T3602] loop3: detected capacity change from 0 to 512 [ 57.569046][ T3601] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 57.571745][ T3619] loop2: detected capacity change from 0 to 512 [ 57.589955][ T3601] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 57.595261][ T3606] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 57.609193][ T3601] Buffer I/O error on dev loop3, logical block 0, async page read [ 57.627177][ T3606] EXT4-fs (loop1): failed to initialize system zone (-117) [ 57.629608][ T3624] loop0: detected capacity change from 0 to 512 [ 57.635013][ T3606] EXT4-fs (loop1): mount failed [ 57.648095][ T3619] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 57.663947][ T3619] EXT4-fs (loop2): failed to initialize system zone (-117) [ 57.673951][ T3627] loop5: detected capacity change from 0 to 512 [ 57.680663][ T3619] EXT4-fs (loop2): mount failed [ 57.694653][ T3630] loop4: detected capacity change from 0 to 512 [ 57.715914][ T3624] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 57.715914][ T3627] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 57.716022][ T3627] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/182/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 57.730279][ T3624] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/163/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 57.809280][ T3650] loop1: detected capacity change from 0 to 512 [ 57.835377][ T3647] loop4: detected capacity change from 0 to 512 [ 57.846751][ T3650] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 57.858847][ T3654] loop0: detected capacity change from 0 to 512 [ 57.861467][ T3656] loop3: detected capacity change from 0 to 512 [ 57.872238][ T3647] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 57.897950][ T3656] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 57.917017][ T3664] loop2: detected capacity change from 0 to 519 [ 57.943420][ T3664] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 57.998081][ T3682] loop4: detected capacity change from 0 to 512 [ 57.998355][ T3688] loop1: detected capacity change from 0 to 512 [ 58.050464][ T3694] loop5: detected capacity change from 0 to 512 [ 58.061097][ T3701] loop0: detected capacity change from 0 to 512 [ 58.081916][ T3704] loop3: detected capacity change from 0 to 512 [ 58.108193][ T3682] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 58.124216][ T3688] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 58.140977][ T3682] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/165/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.158363][ T3688] EXT4-fs (loop1): group descriptors corrupted! [ 58.168622][ T3704] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 58.179300][ T3701] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 58.197502][ T3701] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/167/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.252318][ T3725] loop5: detected capacity change from 0 to 512 [ 58.264631][ T3735] loop2: detected capacity change from 0 to 512 [ 58.283516][ T3733] loop3: detected capacity change from 0 to 512 [ 58.307102][ T3735] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 58.348267][ T3740] loop1: detected capacity change from 0 to 519 [ 58.366019][ T3725] EXT4-fs (loop5): Magic mismatch, very weird! [ 58.374916][ T3745] loop0: detected capacity change from 0 to 512 [ 58.377733][ T3747] loop3: detected capacity change from 0 to 512 [ 58.403460][ T3739] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 58.454558][ T3747] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 58.465281][ T3764] loop5: detected capacity change from 0 to 512 [ 58.485117][ T3747] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/176/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.511813][ T3764] EXT4-fs (loop5): Magic mismatch, very weird! [ 58.520571][ T3773] loop4: detected capacity change from 0 to 519 [ 58.531976][ T3776] loop1: detected capacity change from 0 to 512 [ 58.545031][ T3780] loop2: detected capacity change from 0 to 512 [ 58.560182][ T3773] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 58.578822][ T3785] loop3: detected capacity change from 0 to 512 [ 58.581992][ T3788] loop0: detected capacity change from 0 to 512 [ 58.608280][ T3794] loop5: detected capacity change from 0 to 512 [ 58.645945][ T3785] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 58.680747][ T3785] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/177/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.714594][ T3819] loop4: detected capacity change from 0 to 512 [ 58.746484][ T3794] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 58.767212][ T3828] loop2: detected capacity change from 0 to 519 [ 58.774405][ T3794] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/190/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.779309][ T3819] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 58.803294][ T3828] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 58.804925][ T3834] loop0: detected capacity change from 0 to 512 [ 58.825022][ T3832] loop1: detected capacity change from 0 to 512 [ 58.836685][ T3837] loop3: detected capacity change from 0 to 512 [ 58.844848][ T3837] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 58.858403][ T3832] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 58.898645][ T3842] loop5: detected capacity change from 0 to 519 [ 58.904394][ T3834] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 58.947893][ T3845] loop4: detected capacity change from 0 to 512 [ 58.955702][ T3834] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/174/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.974648][ T3853] loop3: detected capacity change from 0 to 512 [ 58.988033][ T3845] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 59.000070][ T3845] EXT4-fs (loop4): group descriptors corrupted! [ 59.020263][ T3842] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 59.022231][ T3859] loop2: detected capacity change from 0 to 512 [ 59.036127][ T3853] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 59.043042][ T3842] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/191/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 59.088395][ T3853] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/180/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 59.113935][ T3872] loop4: detected capacity change from 0 to 512 [ 59.122355][ T3872] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 59.206365][ T3885] loop1: detected capacity change from 0 to 512 [ 59.226804][ T3902] loop2: detected capacity change from 0 to 512 [ 59.245274][ T3885] EXT4-fs (loop1): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 59.262413][ T3885] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/195/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 59.297354][ T3919] loop5: detected capacity change from 0 to 512 [ 59.307934][ T3921] loop2: detected capacity change from 0 to 512 [ 59.319430][ T3923] loop4: detected capacity change from 0 to 512 [ 59.337492][ T3915] loop0: detected capacity change from 0 to 518 [ 59.433383][ T3923] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 59.507215][ T3930] loop3: detected capacity change from 0 to 512 [ 59.534885][ T3939] loop1: detected capacity change from 0 to 519 [ 59.551655][ T3947] loop0: detected capacity change from 0 to 512 [ 59.552131][ T3946] blk_update_request: I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 0 [ 59.565107][ T3935] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 59.598676][ T3957] loop4: detected capacity change from 0 to 519 [ 59.623267][ T3935] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 59.659651][ T3935] Buffer I/O error on dev loop1, logical block 0, async page read [ 59.683701][ T3930] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 59.708232][ T3930] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/183/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 59.721086][ T3957] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 59.779223][ T3970] loop1: detected capacity change from 0 to 128 [ 59.790627][ T3957] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/177/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 59.819382][ T3974] loop5: detected capacity change from 0 to 512 [ 59.830423][ T3976] loop2: detected capacity change from 0 to 512 [ 59.831976][ T3978] loop0: detected capacity change from 0 to 512 [ 59.855570][ T3970] EXT4-fs (loop1): Unrecognized mount option "nosuid=0x000000000000ee00" or missing value [ 59.858990][ T3976] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 59.917128][ T3991] loop3: detected capacity change from 0 to 512 [ 59.927301][ T3974] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 59.950993][ T3974] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/198/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 60.029529][ T4011] loop0: detected capacity change from 0 to 512 [ 60.036485][ T4005] loop4: detected capacity change from 0 to 512 [ 60.046710][ T4009] loop1: detected capacity change from 0 to 512 [ 60.056324][ T4005] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 60.066321][ T3991] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 60.067842][ T4014] loop2: detected capacity change from 0 to 512 [ 60.090480][ T4009] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 60.140620][ T4014] EXT4-fs (loop2): Magic mismatch, very weird! [ 60.193754][ T3991] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/185/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 60.209408][ T4011] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 60.222916][ T4020] loop5: detected capacity change from 0 to 512 [ 60.281790][ T4036] loop1: detected capacity change from 0 to 519 [ 60.281853][ T4033] loop4: detected capacity change from 0 to 512 [ 60.302595][ T4030] loop2: detected capacity change from 0 to 512 [ 60.316357][ T4038] loop3: detected capacity change from 0 to 512 [ 60.330055][ T4043] loop5: detected capacity change from 0 to 512 [ 60.348343][ T4048] loop1: detected capacity change from 0 to 512 [ 60.370944][ T4043] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 60.420995][ T4069] loop5: detected capacity change from 0 to 519 [ 60.447487][ T4080] loop4: detected capacity change from 0 to 512 [ 60.462827][ T4086] loop0: detected capacity change from 0 to 512 [ 60.466365][ T4083] loop2: detected capacity change from 0 to 519 [ 60.481019][ T4082] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 60.484558][ T4069] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 60.494468][ T4082] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 60.510487][ T4082] Buffer I/O error on dev loop2, logical block 0, async page read [ 60.528445][ T4093] loop3: detected capacity change from 0 to 512 [ 60.538095][ T4080] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 60.547833][ T4086] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 60.567061][ T4095] loop1: detected capacity change from 0 to 512 [ 60.590383][ T4098] loop5: detected capacity change from 0 to 512 [ 60.597199][ T4080] EXT4-fs (loop4): group descriptors corrupted! [ 60.608011][ T4086] EXT4-fs (loop0): group descriptors corrupted! [ 60.617729][ T4093] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 60.637847][ T4095] EXT4-fs (loop1): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 60.670695][ T4110] loop4: detected capacity change from 0 to 512 [ 60.685169][ T4093] EXT4-fs (loop3): failed to initialize system zone (-117) [ 60.697223][ T4093] EXT4-fs (loop3): mount failed [ 60.732932][ T4118] loop2: detected capacity change from 0 to 512 [ 60.736374][ T4095] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/205/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 60.773249][ T4125] loop5: detected capacity change from 0 to 512 [ 60.773780][ T4122] EXT4-fs warning (device loop4): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 60.780581][ T4123] loop0: detected capacity change from 0 to 512 [ 60.797939][ T4118] EXT4-fs (loop2): Magic mismatch, very weird! [ 60.803628][ T4110] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 60.812786][ T4110] EXT4-fs (loop4): failed to initialize system zone (-117) [ 60.824112][ T4110] EXT4-fs (loop4): mount failed [ 60.899954][ T4131] loop5: detected capacity change from 0 to 512 [ 60.909688][ T4123] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 60.918213][ T4145] loop3: detected capacity change from 0 to 512 [ 60.937406][ T4147] loop1: detected capacity change from 0 to 519 [ 60.951470][ T4123] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/192/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 60.951741][ T4150] loop2: detected capacity change from 0 to 519 [ 60.979324][ T4141] loop4: detected capacity change from 0 to 519 [ 60.986424][ T4145] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 61.008934][ T4147] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 61.016920][ T4150] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 61.026497][ T4153] loop5: detected capacity change from 0 to 512 [ 61.064238][ T4159] loop0: detected capacity change from 0 to 512 [ 61.087819][ T4153] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 61.113536][ T4159] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 61.144937][ T4162] loop1: detected capacity change from 0 to 519 [ 61.185455][ T4179] loop4: detected capacity change from 0 to 519 [ 61.220427][ T4162] EXT4-fs (loop1): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 61.239576][ T4192] loop3: detected capacity change from 0 to 517 [ 61.243043][ T4195] loop0: detected capacity change from 0 to 512 [ 61.256356][ T4162] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/208/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.329860][ T4195] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 61.352547][ T4215] loop5: detected capacity change from 0 to 512 [ 61.367889][ T4218] loop2: detected capacity change from 0 to 512 [ 61.385237][ T4218] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 61.399684][ T4195] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/194/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.399740][ T4218] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/208/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.486364][ T4231] loop3: detected capacity change from 0 to 512 [ 61.495155][ T4233] loop1: detected capacity change from 0 to 512 [ 61.503900][ T4239] loop4: detected capacity change from 0 to 512 [ 61.539947][ T4233] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 61.548649][ T4239] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 61.559497][ T4244] EXT4-fs warning (device loop3): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 61.571791][ T4231] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 61.590524][ T4231] EXT4-fs (loop3): failed to initialize system zone (-117) [ 61.600898][ T4231] EXT4-fs (loop3): mount failed [ 61.611470][ T4250] loop2: detected capacity change from 0 to 512 [ 61.622090][ T4248] loop5: detected capacity change from 0 to 512 [ 61.630196][ T4253] loop0: detected capacity change from 0 to 512 [ 61.644923][ T4259] loop4: detected capacity change from 0 to 512 [ 61.680479][ T4250] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 61.687816][ T4259] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 61.696201][ T4250] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/209/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.734205][ T4253] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 61.748702][ T4253] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/195/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.775603][ T4275] loop1: detected capacity change from 0 to 512 [ 61.819281][ T4284] loop2: detected capacity change from 0 to 512 [ 61.827208][ T4275] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 61.829004][ T4288] loop5: detected capacity change from 0 to 512 [ 61.836629][ T4290] loop3: detected capacity change from 0 to 512 [ 61.854820][ T4281] loop4: detected capacity change from 0 to 512 [ 61.927509][ T4288] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 61.946431][ T4284] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 61.958966][ T4288] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/217/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.975815][ T4284] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/210/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 62.002109][ T4309] loop0: detected capacity change from 0 to 512 [ 62.023292][ T4281] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 62.061469][ T4290] EXT4-fs (loop3): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. 2025/10/09 00:44:46 executed programs: 1238 [ 62.122138][ T4324] loop1: detected capacity change from 0 to 512 [ 62.142713][ T4281] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/191/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 62.160890][ T4290] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/199/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 62.180427][ T4327] loop2: detected capacity change from 0 to 512 [ 62.208235][ T4333] loop5: detected capacity change from 0 to 512 [ 62.247337][ T4342] loop0: detected capacity change from 0 to 518 [ 62.269767][ T4351] loop1: detected capacity change from 0 to 512 [ 62.277171][ T4354] loop2: detected capacity change from 0 to 512 [ 62.284707][ T4353] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 62.328312][ T4353] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 62.339493][ T4353] Buffer I/O error on dev loop2, logical block 0, async page read [ 62.375108][ T4379] loop3: detected capacity change from 0 to 512 [ 62.386121][ T4388] loop1: detected capacity change from 0 to 512 [ 62.402699][ T4388] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 62.431211][ T4400] loop4: detected capacity change from 0 to 512 [ 62.486498][ T4423] loop2: detected capacity change from 0 to 512 [ 62.489805][ T4400] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 62.494296][ T4412] loop3: detected capacity change from 0 to 517 [ 62.517978][ T4400] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/196/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 62.548551][ T4432] loop1: detected capacity change from 0 to 512 [ 62.592660][ T4435] loop5: detected capacity change from 0 to 512 [ 62.599350][ T4423] EXT4-fs (loop2): Magic mismatch, very weird! [ 62.623766][ T4432] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 62.685835][ T4450] loop3: detected capacity change from 0 to 512 [ 62.694329][ T4435] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 62.711551][ T4456] loop4: detected capacity change from 0 to 512 [ 62.717576][ T4454] loop2: detected capacity change from 0 to 512 [ 62.733582][ T4461] loop0: detected capacity change from 0 to 512 [ 62.740714][ T4435] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/226/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 62.751839][ T4450] EXT4-fs (loop3): Magic mismatch, very weird! [ 62.769610][ T4461] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 62.782485][ T4461] EXT4-fs (loop0): group descriptors corrupted! [ 62.799965][ T4464] loop1: detected capacity change from 0 to 512 [ 62.826220][ T4467] loop4: detected capacity change from 0 to 519 [ 62.828639][ T4454] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 62.847983][ T4464] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 62.852241][ T4454] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/219/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 62.875964][ T4475] loop3: detected capacity change from 0 to 512 [ 62.919960][ T4487] loop5: detected capacity change from 0 to 512 [ 62.922244][ T4484] blk_update_request: I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 0 [ 62.932778][ T4491] loop4: detected capacity change from 0 to 512 [ 62.964728][ T4493] loop0: detected capacity change from 0 to 512 [ 62.971169][ T4485] loop1: detected capacity change from 0 to 519 [ 62.984709][ T4493] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 63.049351][ T4491] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 63.072232][ T4491] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/200/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 63.160872][ T4540] loop3: detected capacity change from 0 to 512 [ 63.176136][ T4534] loop5: detected capacity change from 0 to 519 [ 63.188752][ T4546] loop1: detected capacity change from 0 to 512 [ 63.204039][ T4534] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 63.236937][ T4550] loop2: detected capacity change from 0 to 512 [ 63.237784][ T4546] EXT4-fs (loop1): Magic mismatch, very weird! [ 63.273636][ T4540] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 63.287741][ T4555] loop4: detected capacity change from 0 to 512 [ 63.327692][ T4555] EXT4-fs (loop4): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 63.348564][ T4555] ext4 filesystem being mounted at /root/syzkaller-testdir2598029077/syzkaller.zsiAxu/201/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 63.362586][ T4568] loop2: detected capacity change from 0 to 512 [ 63.375615][ T4569] loop5: detected capacity change from 0 to 512 [ 63.433757][ T4579] loop3: detected capacity change from 0 to 512 [ 63.445188][ T4569] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 63.456102][ T4577] loop1: detected capacity change from 0 to 512 [ 63.468203][ T4579] EXT4-fs (loop3): Magic mismatch, very weird! [ 63.507365][ T4584] loop0: detected capacity change from 0 to 512 [ 63.521617][ T4568] EXT4-fs (loop2): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 63.561427][ T4568] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/226/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 63.583211][ T4587] loop1: detected capacity change from 0 to 519 [ 63.618109][ T4596] loop4: detected capacity change from 0 to 512 [ 63.647290][ T4596] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 63.672939][ T4605] loop5: detected capacity change from 0 to 512 [ 63.676656][ T4608] loop3: detected capacity change from 0 to 512 [ 63.688364][ T4608] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 63.716485][ T4612] loop0: detected capacity change from 0 to 512 [ 63.716700][ T4615] loop1: detected capacity change from 0 to 519 [ 63.734896][ T4618] loop2: detected capacity change from 0 to 512 [ 63.743321][ T4618] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 63.743922][ T4622] EXT4-fs warning (device loop0): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 63.753967][ T4620] loop4: detected capacity change from 0 to 512 [ 63.777930][ T4618] EXT4-fs (loop2): group descriptors corrupted! [ 63.792090][ T4612] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 63.817082][ T4625] loop5: detected capacity change from 0 to 512 [ 63.824157][ T4612] EXT4-fs (loop0): failed to initialize system zone (-117) [ 63.832993][ T4612] EXT4-fs (loop0): mount failed [ 63.835478][ T4628] loop3: detected capacity change from 0 to 517 [ 63.851331][ T4633] loop2: detected capacity change from 0 to 512 [ 63.869552][ T4634] loop1: detected capacity change from 0 to 512 [ 63.883594][ T4625] EXT4-fs (loop5): mounted filesystem without journal. Opts: nodiscard,barrier,nouid32,grpquota,,errors=continue. Quota mode: writeback. [ 63.901366][ T4625] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/237/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 63.935083][ T4643] loop4: detected capacity change from 0 to 512 [ 63.953864][ T4653] loop0: detected capacity change from 0 to 512 [ 63.954280][ T4652] blk_update_request: I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 63.966039][ T4655] loop2: detected capacity change from 0 to 512 [ 64.006158][ T4655] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/229/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.029184][ T4669] loop1: detected capacity change from 0 to 512 [ 64.041193][ T4668] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 27 prio class 0 [ 64.061464][ T4672] loop3: detected capacity change from 0 to 512 [ 64.117498][ T4695] loop5: detected capacity change from 0 to 512 [ 64.130619][ T4703] loop1: detected capacity change from 0 to 512 [ 64.130619][ T4701] loop4: detected capacity change from 0 to 519 [ 64.171340][ T4701] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 64.206960][ T4703] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/233/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.209135][ T4720] loop0: detected capacity change from 0 to 512 [ 64.318059][ T4720] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/228/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.368439][ T4740] loop5: detected capacity change from 0 to 512 [ 64.386182][ T4744] loop4: detected capacity change from 0 to 512 [ 64.412931][ T4746] loop2: detected capacity change from 0 to 519 [ 64.423201][ T4744] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 64.475606][ T4755] loop1: detected capacity change from 0 to 512 [ 64.503238][ T4755] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 64.515597][ T4762] loop5: detected capacity change from 0 to 512 [ 64.534880][ T4767] loop0: detected capacity change from 0 to 512 [ 64.554680][ T4746] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/234/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.575889][ T4767] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/230/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.607474][ T4781] loop5: detected capacity change from 0 to 512 [ 64.621398][ T4778] loop4: detected capacity change from 0 to 512 [ 64.636805][ T4787] loop1: detected capacity change from 0 to 512 [ 64.671455][ T4787] EXT4-fs (loop1): Magic mismatch, very weird! [ 64.696640][ T4793] loop3: detected capacity change from 0 to 512 [ 64.709707][ T4781] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 64.735216][ T4781] EXT4-fs (loop5): group descriptors corrupted! [ 64.745786][ T4800] loop4: detected capacity change from 0 to 512 [ 64.754888][ T4793] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 64.844671][ T4813] loop4: detected capacity change from 0 to 519 [ 64.847576][ T4825] loop3: detected capacity change from 0 to 512 [ 64.886055][ T4836] loop2: detected capacity change from 0 to 512 [ 64.926870][ T4847] loop1: detected capacity change from 0 to 512 [ 64.998584][ T4862] loop4: detected capacity change from 0 to 519 [ 65.017875][ T4878] loop0: detected capacity change from 0 to 512 [ 65.031388][ T4881] loop1: detected capacity change from 0 to 512 [ 65.075561][ T4890] loop4: detected capacity change from 0 to 512 [ 65.097485][ T4881] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 65.097540][ T4878] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 65.141623][ T4899] loop3: detected capacity change from 0 to 512 [ 65.176344][ T4899] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 65.181540][ T4916] loop2: detected capacity change from 0 to 512 [ 65.192454][ T4899] EXT4-fs (loop3): failed to initialize system zone (-117) [ 65.200016][ T4899] EXT4-fs (loop3): mount failed [ 65.217341][ T4922] loop1: detected capacity change from 0 to 512 [ 65.225591][ T4907] loop4: detected capacity change from 0 to 519 [ 65.254761][ T4907] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 65.255435][ T4932] loop5: detected capacity change from 0 to 519 [ 65.281386][ T4938] loop0: detected capacity change from 0 to 512 [ 65.295590][ T4935] EXT4-fs warning (device loop1): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 65.296050][ T4916] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/245/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 65.342683][ T4922] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 65.350946][ T4938] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 65.352549][ T4922] EXT4-fs (loop1): failed to initialize system zone (-117) [ 65.385745][ T4922] EXT4-fs (loop1): mount failed [ 65.395988][ T4950] loop3: detected capacity change from 0 to 517 [ 65.405615][ T4953] loop4: detected capacity change from 0 to 512 [ 65.409319][ T4950] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 65.417709][ T4953] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 65.428834][ T4956] loop5: detected capacity change from 0 to 512 [ 65.539288][ T4992] loop5: detected capacity change from 0 to 512 [ 65.566958][ T5005] loop0: detected capacity change from 0 to 512 [ 65.633738][ T5026] loop4: detected capacity change from 0 to 512 [ 65.642908][ T5032] loop5: detected capacity change from 0 to 512 [ 65.661041][ T5037] loop3: detected capacity change from 0 to 512 [ 65.714023][ T5026] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 65.799283][ T5063] loop0: detected capacity change from 0 to 512 [ 65.802637][ T5067] loop3: detected capacity change from 0 to 512 [ 65.810745][ T5069] loop1: detected capacity change from 0 to 512 [ 65.834021][ T5075] loop2: detected capacity change from 0 to 519 [ 65.851932][ T5077] loop4: detected capacity change from 0 to 512 [ 65.859452][ T5067] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 65.875160][ T5077] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 65.888212][ T5085] loop5: detected capacity change from 0 to 512 [ 65.895916][ T5067] EXT4-fs (loop3): failed to initialize system zone (-117) [ 65.903640][ T5067] EXT4-fs (loop3): mount failed [ 65.926686][ T5085] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 65.951884][ T5091] loop1: detected capacity change from 0 to 519 [ 65.982259][ T5094] loop0: detected capacity change from 0 to 512 [ 65.997629][ T5094] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 65.998921][ T5102] loop4: detected capacity change from 0 to 512 [ 66.016698][ T5104] loop3: detected capacity change from 0 to 517 [ 66.040403][ T5100] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 0 [ 66.074958][ T5113] loop1: detected capacity change from 0 to 512 [ 66.107152][ T5118] loop4: detected capacity change from 0 to 512 [ 66.114984][ T5122] loop3: detected capacity change from 0 to 512 [ 66.128081][ T5118] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 66.131900][ T5130] loop0: detected capacity change from 0 to 518 [ 66.138323][ T5133] loop2: detected capacity change from 0 to 512 [ 66.151858][ T5124] loop5: detected capacity change from 0 to 519 [ 66.164186][ T5133] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 66.188608][ T5130] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/255/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 66.207302][ T5124] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/259/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 66.247701][ T5148] loop1: detected capacity change from 0 to 512 [ 66.252878][ T5150] loop4: detected capacity change from 0 to 512 [ 66.265373][ T5148] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 66.297537][ T5158] loop2: detected capacity change from 0 to 512 [ 66.302828][ T5162] loop5: detected capacity change from 0 to 512 [ 66.315558][ T5154] loop0: detected capacity change from 0 to 512 [ 66.332683][ T5158] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 66.356794][ T5166] loop3: detected capacity change from 0 to 512 [ 66.380637][ T5154] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/256/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 66.395754][ T5166] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/243/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 66.431688][ T5173] loop4: detected capacity change from 0 to 512 [ 66.445549][ T5173] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.477234][ T5182] loop2: detected capacity change from 0 to 512 [ 66.483834][ T5176] loop5: detected capacity change from 0 to 512 [ 66.495383][ T5182] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 66.535982][ T5176] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 66.544801][ T5194] loop4: detected capacity change from 0 to 519 [ 66.599118][ T5207] loop2: detected capacity change from 0 to 512 [ 66.622951][ T5207] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 66.637368][ T5218] loop0: detected capacity change from 0 to 512 [ 66.646404][ T5212] loop3: detected capacity change from 0 to 512 [ 66.696529][ T5227] loop1: detected capacity change from 0 to 519 [ 66.696565][ T5233] loop2: detected capacity change from 0 to 519 [ 66.727356][ T5233] EXT4-fs (loop2): Magic mismatch, very weird! [ 66.758341][ T5260] loop5: detected capacity change from 0 to 512 [ 66.760800][ T5263] loop4: detected capacity change from 0 to 512 [ 66.767709][ T5255] loop0: detected capacity change from 0 to 512 [ 66.797873][ T5260] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.820074][ T5255] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 66.829814][ T5255] EXT4-fs (loop0): group descriptors corrupted! [ 66.866202][ T5279] loop2: detected capacity change from 0 to 512 [ 66.906887][ T5291] loop4: detected capacity change from 0 to 512 [ 66.917937][ T5296] loop1: detected capacity change from 0 to 512 [ 66.944804][ T5291] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.949485][ T5305] loop3: detected capacity change from 0 to 512 [ 66.962142][ T5289] loop0: detected capacity change from 0 to 518 [ 67.000995][ T5289] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/264/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.013722][ T5319] loop5: detected capacity change from 0 to 512 [ 67.026891][ T5296] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/261/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.044153][ T5319] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 2025/10/09 00:44:51 executed programs: 1557 [ 67.076146][ T5324] loop3: detected capacity change from 0 to 517 [ 67.102627][ T5326] loop2: detected capacity change from 0 to 512 [ 67.117544][ T5329] loop4: detected capacity change from 0 to 512 [ 67.134229][ T5326] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 67.134640][ T5331] loop1: detected capacity change from 0 to 512 [ 67.153019][ T5324] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/252/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.184693][ T5336] loop5: detected capacity change from 0 to 512 [ 67.205109][ T5340] loop4: detected capacity change from 0 to 512 [ 67.218902][ T5340] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 67.219145][ T5344] loop0: detected capacity change from 0 to 512 [ 67.235344][ T5343] loop1: detected capacity change from 0 to 512 [ 67.260228][ T5350] loop2: detected capacity change from 0 to 512 [ 67.267019][ T5336] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/272/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.289416][ T5343] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 67.301862][ T5343] EXT4-fs (loop1): group descriptors corrupted! [ 67.327871][ T5356] loop0: detected capacity change from 0 to 518 [ 67.333641][ T5355] blk_update_request: I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 67.356080][ T5359] loop4: detected capacity change from 0 to 512 [ 67.379653][ T5368] loop2: detected capacity change from 0 to 512 [ 67.395769][ T5359] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 67.428775][ T5380] loop0: detected capacity change from 0 to 512 [ 67.437937][ T5368] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 67.440062][ T5386] loop1: detected capacity change from 0 to 512 [ 67.460651][ T5392] loop3: detected capacity change from 0 to 512 [ 67.491303][ T5395] loop5: detected capacity change from 0 to 512 [ 67.507329][ T5395] EXT4-fs error (device loop5): ext4_init_orphan_info:586: comm syz-executor.5: inode #0: comm syz-executor.5: iget: illegal inode # [ 67.521731][ T5395] EXT4-fs (loop5): get orphan inode failed [ 67.554623][ T5403] loop1: detected capacity change from 0 to 512 [ 67.562538][ T5395] EXT4-fs (loop5): mount failed [ 67.580424][ T5392] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/255/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.583442][ T5403] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 67.597294][ T5411] loop0: detected capacity change from 0 to 512 [ 67.627391][ T5414] loop2: detected capacity change from 0 to 519 [ 67.668621][ T5414] EXT4-fs (loop2): Magic mismatch, very weird! [ 67.689938][ T5411] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 67.703238][ T5411] EXT4-fs (loop0): group descriptors corrupted! [ 67.729136][ T5432] loop4: detected capacity change from 0 to 512 [ 67.740770][ T5426] loop3: detected capacity change from 0 to 512 [ 67.766911][ T5432] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 67.768329][ T5445] loop5: detected capacity change from 0 to 512 [ 67.828173][ T5456] loop1: detected capacity change from 0 to 512 [ 67.835143][ T5453] loop0: detected capacity change from 0 to 512 [ 67.854098][ T5459] loop3: detected capacity change from 0 to 517 [ 67.861934][ T5451] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 67.867091][ T5453] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 67.885820][ T5465] loop5: detected capacity change from 0 to 512 [ 67.891416][ T5451] blk_update_request: I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 67.903574][ T5451] Buffer I/O error on dev loop3, logical block 0, async page read [ 67.934114][ T5473] loop2: detected capacity change from 0 to 512 [ 67.934410][ T5456] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/269/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.966322][ T5477] loop4: detected capacity change from 0 to 512 [ 67.973457][ T5473] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 68.000620][ T5482] loop0: detected capacity change from 0 to 512 [ 68.007191][ T5479] loop3: detected capacity change from 0 to 512 [ 68.041631][ T5485] loop5: detected capacity change from 0 to 512 [ 68.102826][ T5482] EXT4-fs error (device loop0): ext4_init_orphan_info:586: comm syz-executor.0: inode #0: comm syz-executor.0: iget: illegal inode # [ 68.128046][ T5482] EXT4-fs (loop0): get orphan inode failed [ 68.137082][ T5482] EXT4-fs (loop0): mount failed [ 68.145185][ T5479] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/258/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 68.152172][ T5498] loop4: detected capacity change from 0 to 512 [ 68.200824][ T5498] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 68.218064][ T5503] loop5: detected capacity change from 0 to 512 [ 68.243247][ T5503] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 68.266135][ T5512] loop1: detected capacity change from 0 to 512 [ 68.279506][ T5507] loop2: detected capacity change from 0 to 512 [ 68.286514][ T5503] EXT4-fs (loop5): group descriptors corrupted! [ 68.318486][ T5512] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 68.323281][ T5507] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 68.345821][ T5518] loop4: detected capacity change from 0 to 512 [ 68.357914][ T5516] loop0: detected capacity change from 0 to 512 [ 68.418715][ T5530] loop1: detected capacity change from 0 to 512 [ 68.422249][ T5524] loop5: detected capacity change from 0 to 512 [ 68.453226][ T5539] loop3: detected capacity change from 0 to 512 [ 68.507914][ T5550] loop4: detected capacity change from 0 to 512 [ 68.524106][ T5550] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 68.584645][ T5581] loop0: detected capacity change from 0 to 518 [ 68.588116][ T5583] loop2: detected capacity change from 0 to 519 [ 68.607513][ T5581] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 68.642349][ T5595] loop5: detected capacity change from 0 to 512 [ 68.684362][ T5583] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/282/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 68.708375][ T5620] loop3: detected capacity change from 0 to 512 [ 68.709066][ T5622] loop1: detected capacity change from 0 to 512 [ 68.731792][ T5624] loop0: detected capacity change from 0 to 512 [ 68.744377][ T5622] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 68.748061][ T5620] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 68.775204][ T5630] loop5: detected capacity change from 0 to 512 [ 68.829680][ T5637] loop0: detected capacity change from 0 to 512 [ 68.841990][ T5641] loop1: detected capacity change from 0 to 512 [ 68.858323][ T5640] loop2: detected capacity change from 0 to 512 [ 68.861091][ T5651] loop5: detected capacity change from 0 to 519 [ 68.900729][ T5637] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 68.956475][ T5660] loop3: detected capacity change from 0 to 512 [ 68.978683][ T5663] loop5: detected capacity change from 0 to 512 [ 69.024213][ T5676] loop4: detected capacity change from 0 to 512 [ 69.034436][ T5663] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 69.062946][ T5663] EXT4-fs (loop5): failed to initialize system zone (-117) [ 69.067309][ T5690] loop2: detected capacity change from 0 to 512 [ 69.071413][ T5663] EXT4-fs (loop5): mount failed [ 69.083504][ T5683] EXT4-fs warning (device loop4): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 69.111073][ T5676] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 69.130719][ T5688] loop0: detected capacity change from 0 to 512 [ 69.146077][ T5676] EXT4-fs (loop4): failed to initialize system zone (-117) [ 69.163032][ T5690] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/286/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 69.185634][ T5676] EXT4-fs (loop4): mount failed [ 69.216296][ T5688] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/282/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 69.233553][ T5711] loop5: detected capacity change from 0 to 512 [ 69.249871][ T5711] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 69.269264][ T5723] loop1: detected capacity change from 0 to 512 [ 69.278333][ T5724] loop3: detected capacity change from 0 to 512 [ 69.293974][ T5728] loop4: detected capacity change from 0 to 512 [ 69.309968][ T5728] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 69.319174][ T5731] loop2: detected capacity change from 0 to 512 [ 69.383205][ T5731] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 69.418264][ T5737] EXT4-fs warning (device loop3): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 69.436985][ T5724] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 69.440865][ T5740] loop0: detected capacity change from 0 to 518 [ 69.456549][ T5724] EXT4-fs (loop3): failed to initialize system zone (-117) [ 69.467303][ T5724] EXT4-fs (loop3): mount failed [ 69.507412][ T5723] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/284/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 69.594782][ T5763] loop3: detected capacity change from 0 to 517 [ 69.605912][ T5766] EXT4-fs warning (device loop3): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 69.617591][ T5763] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 69.634654][ T5760] loop0: detected capacity change from 0 to 518 [ 69.663207][ T5763] EXT4-fs (loop3): failed to initialize system zone (-117) [ 69.670746][ T5763] EXT4-fs (loop3): mount failed [ 69.680115][ T5772] loop5: detected capacity change from 0 to 512 [ 69.705786][ T5781] loop1: detected capacity change from 0 to 512 [ 69.716557][ T5787] loop4: detected capacity change from 0 to 512 [ 69.717423][ T5781] EXT4-fs (loop1): Magic mismatch, very weird! [ 69.781346][ T5789] loop2: detected capacity change from 0 to 519 [ 69.796505][ T5787] EXT4-fs (loop4): Magic mismatch, very weird! [ 69.830917][ T5760] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/284/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 69.876192][ T5798] loop3: detected capacity change from 0 to 128 [ 69.900803][ T5798] EXT4-fs (loop3): Unrecognized mount option "nosuid=0x000000000000ee00" or missing value [ 69.921977][ T5802] loop5: detected capacity change from 0 to 512 [ 69.930180][ T5789] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/291/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 69.958182][ T5806] loop1: detected capacity change from 0 to 512 [ 69.982651][ T5815] loop3: detected capacity change from 0 to 512 [ 69.995663][ T5806] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 70.004141][ T5813] loop0: detected capacity change from 0 to 512 [ 70.026474][ T5802] ext4 filesystem being mounted at /root/syzkaller-testdir2989342968/syzkaller.baMVYn/300/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 70.070278][ T5813] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 70.085701][ T5815] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 70.101577][ T5820] loop4: detected capacity change from 0 to 512 [ 70.181673][ T5830] loop0: detected capacity change from 0 to 512 [ 70.188829][ T5826] loop3: detected capacity change from 0 to 512 [ 70.200877][ T5838] loop1: detected capacity change from 0 to 512 [ 70.207192][ T5835] loop5: detected capacity change from 0 to 519 [ 70.221443][ T5834] blk_update_request: I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 70.244100][ T5834] blk_update_request: I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 70.258910][ T5834] Buffer I/O error on dev loop5, logical block 0, async page read [ 70.270569][ T5826] EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 70.300626][ T5856] loop0: detected capacity change from 0 to 512 [ 70.307855][ T5826] EXT4-fs (loop3): group descriptors corrupted! [ 70.392060][ T5865] loop1: detected capacity change from 0 to 512 [ 70.410091][ T5875] loop2: detected capacity change from 0 to 512 [ 70.417851][ T5873] loop4: detected capacity change from 0 to 512 [ 70.421161][ T5878] loop0: detected capacity change from 0 to 512 [ 70.434871][ T5868] loop5: detected capacity change from 0 to 512 [ 70.472272][ T5865] ext4 filesystem being mounted at /root/syzkaller-testdir4164462975/syzkaller.suBr7T/288/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 70.474307][ T5868] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 70.500240][ T5868] EXT4-fs (loop5): group descriptors corrupted! [ 70.531858][ T5898] loop3: detected capacity change from 0 to 512 [ 70.613814][ T5919] loop1: detected capacity change from 0 to 519 [ 70.627289][ T5914] blk_update_request: I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 70.677153][ T5934] loop2: detected capacity change from 0 to 512 [ 70.679092][ T5941] loop3: detected capacity change from 0 to 512 [ 70.711209][ T5937] loop5: detected capacity change from 0 to 519 [ 70.725771][ T5934] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 70.762833][ T5956] loop4: detected capacity change from 0 to 512 [ 70.781373][ T5967] loop0: detected capacity change from 0 to 512 [ 70.789753][ T5956] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 70.799600][ T5965] loop2: detected capacity change from 0 to 512 [ 70.806121][ T5967] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 70.865444][ T5979] loop2: detected capacity change from 0 to 512 [ 70.888568][ T5986] loop4: detected capacity change from 0 to 512 [ 70.896825][ T5983] loop1: detected capacity change from 0 to 512 [ 70.914730][ T5994] loop0: detected capacity change from 0 to 512 [ 70.930314][ T6000] loop5: detected capacity change from 0 to 519 [ 70.944184][ T5994] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 70.949108][ T5999] blk_update_request: I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 0 [ 70.992841][ T6011] loop3: detected capacity change from 0 to 512 [ 71.000573][ T6013] loop1: detected capacity change from 0 to 519 [ 71.039191][ T6011] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 71.040969][ T6022] loop0: detected capacity change from 0 to 518 [ 71.069946][ T6028] loop2: detected capacity change from 0 to 512 [ 71.115336][ T6037] loop1: detected capacity change from 0 to 512 [ 71.140412][ T6022] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/297/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 71.148810][ T6044] loop4: detected capacity change from 0 to 512 [ 71.191341][ T6054] loop5: detected capacity change from 0 to 512 [ 71.205853][ T6057] loop1: detected capacity change from 0 to 512 [ 71.238280][ T6061] loop3: detected capacity change from 0 to 517 [ 71.255836][ T6060] EXT4-fs warning (device loop5): kmmpd:170: kmmpd being stopped since MMP feature has been disabled. [ 71.274307][ T6054] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 71.298893][ T6065] loop0: detected capacity change from 0 to 512 [ 71.335175][ T6054] EXT4-fs (loop5): failed to initialize system zone (-117) [ 71.363626][ T6057] ------------[ cut here ]------------ [ 71.390208][ T6061] ext4 filesystem being mounted at /root/syzkaller-testdir727054147/syzkaller.EyvVc9/288/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 71.399361][ T6054] EXT4-fs (loop5): mount failed [ 71.405683][ T6057] kernel BUG at fs/ext4/super.c:6397! [ 71.418167][ T6079] loop4: detected capacity change from 0 to 519 [ 71.426401][ T6081] loop2: detected capacity change from 0 to 512 [ 71.439448][ T6057] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 71.445691][ T6057] CPU: 0 PID: 6057 Comm: syz-executor.1 Not tainted syzkaller #0 [ 71.453561][ T6057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 71.464232][ T6057] RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 [ 71.470208][ T6057] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 e6 6b c2 ff e9 97 fa ff ff e8 0c 9e be 02 e8 27 ed 83 ff <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 [ 71.490011][ T6057] RSP: 0018:ffffc9000408f910 EFLAGS: 00010293 [ 71.496404][ T6057] RAX: ffffffff81e4d1e9 RBX: ffff88810eb18000 RCX: ffff88812a8d62c0 [ 71.504704][ T6057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.512774][ T6057] RBP: ffffc9000408f9b0 R08: dffffc0000000000 R09: ffffed10250d3d80 [ 71.521018][ T6057] R10: ffffed10250d3d80 R11: 1ffff110250d3d7f R12: 0000000000000004 [ 71.529026][ T6057] R13: ffff888123d7f464 R14: 0000000000000000 R15: 0000000000000001 [ 71.537113][ T6057] FS: 00007f8eb0e686c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 71.546493][ T6057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.553087][ T6057] CR2: 00007fba60b8c000 CR3: 0000000123352000 CR4: 00000000003506b0 [ 71.561341][ T6057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.569404][ T6057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.577558][ T6057] Call Trace: [ 71.580839][ T6057] [ 71.583782][ T6057] ext4_fill_super+0x87c3/0x9090 [ 71.589032][ T6057] ? ext4_mount+0x40/0x40 [ 71.593452][ T6057] ? set_blocksize+0x1fc/0x380 [ 71.598347][ T6057] ? sb_set_blocksize+0xaa/0xf0 [ 71.603395][ T6057] ? ext4_mount+0x40/0x40 [ 71.607767][ T6057] mount_bdev+0x2ae/0x3e0 [ 71.612134][ T6057] ? ext4_mount+0x40/0x40 [ 71.616522][ T6057] ext4_mount+0x34/0x40 [ 71.620690][ T6057] legacy_get_tree+0xed/0x190 [ 71.625381][ T6057] ? ext4_errno_to_code+0x160/0x160 [ 71.630864][ T6057] vfs_get_tree+0x89/0x260 [ 71.635394][ T6057] do_new_mount+0x25a/0xa20 [ 71.640152][ T6057] path_mount+0x675/0x1020 [ 71.644708][ T6057] ? user_path_at_empty+0x161/0x1c0 [ 71.650027][ T6057] __se_sys_mount+0x318/0x380 [ 71.654760][ T6057] ? __x64_sys_mount+0xd0/0xd0 [ 71.659538][ T6057] __x64_sys_mount+0xbf/0xd0 [ 71.664139][ T6057] x64_sys_call+0x6bf/0x9a0 [ 71.668890][ T6057] do_syscall_64+0x4c/0xa0 [ 71.673770][ T6057] ? clear_bhb_loop+0x50/0xa0 [ 71.678581][ T6057] ? clear_bhb_loop+0x50/0xa0 [ 71.683369][ T6057] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.689382][ T6057] RIP: 0033:0x7f8eb12e71ea [ 71.694136][ T6057] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 71.714342][ T6057] RSP: 002b:00007f8eb0e67ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.722948][ T6057] RAX: ffffffffffffffda RBX: 00007f8eb0e67f80 RCX: 00007f8eb12e71ea [ 71.731246][ T6057] RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007f8eb0e67f40 [ 71.739235][ T6057] RBP: 00000000200005c0 R08: 00007f8eb0e67f80 R09: 0000000000200810 [ 71.747389][ T6057] R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 [ 71.755376][ T6057] R13: 00007f8eb0e67f40 R14: 00000000000004da R15: 0000000020001400 [ 71.763544][ T6057] [ 71.766665][ T6057] Modules linked in: [ 71.772147][ T6057] ---[ end trace 5b400cff3e29814e ]--- [ 71.777982][ T6057] RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 [ 71.784073][ T6057] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 e6 6b c2 ff e9 97 fa ff ff e8 0c 9e be 02 e8 27 ed 83 ff <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 [ 71.803383][ T6081] ext4 filesystem being mounted at /root/syzkaller-testdir3802050430/syzkaller.CMtfTP/306/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 71.806072][ T6084] loop0: detected capacity change from 0 to 512 [ 71.828028][ T6057] RSP: 0018:ffffc9000408f910 EFLAGS: 00010293 [ 71.838991][ T6057] RAX: ffffffff81e4d1e9 RBX: ffff88810eb18000 RCX: ffff88812a8d62c0 [ 71.847473][ T6057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.849938][ T6093] loop4: detected capacity change from 0 to 512 [ 71.857148][ T6057] RBP: ffffc9000408f9b0 R08: dffffc0000000000 R09: ffffed10250d3d80 [ 71.876021][ T6057] R10: ffffed10250d3d80 R11: 1ffff110250d3d7f R12: 0000000000000004 [ 71.887703][ T6096] loop3: detected capacity change from 0 to 512 [ 71.895631][ T6057] R13: ffff888123d7f464 R14: 0000000000000000 R15: 0000000000000001 [ 71.904257][ T6057] FS: 00007f8eb0e686c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 71.913472][ T6057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.929985][ T6057] CR2: 0000000020000000 CR3: 0000000123352000 CR4: 00000000003506b0 [ 71.938456][ T6057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.946908][ T6057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.955271][ T6057] Kernel panic - not syncing: Fatal exception [ 71.956785][ T6084] ext4 filesystem being mounted at /root/syzkaller-testdir1051193031/syzkaller.wEdIHq/299/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 71.961808][ T6057] Kernel Offset: disabled [ 71.981019][ T6057] Rebooting in 86400 seconds..