Warning: Permanently added '10.128.0.159' (ED25519) to the list of known hosts. 2025/08/02 05:51:24 ignoring optional flag "sandboxArg"="0" 2025/08/02 05:51:24 ignoring optional flag "type"="gce" 2025/08/02 05:51:25 parsed 1 programs 2025/08/02 05:51:25 executed programs: 0 [ 49.184575][ T28] kauditd_printk_skb: 18 callbacks suppressed [ 49.184590][ T28] audit: type=1400 audit(1754113885.068:92): avc: denied { unlink } for pid=332 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 49.223073][ T332] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.401936][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.409158][ T347] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.416626][ T347] device bridge_slave_0 entered promiscuous mode [ 49.438343][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.445476][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.453085][ T346] device bridge_slave_0 entered promiscuous mode [ 49.459913][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.466990][ T347] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.474462][ T347] device bridge_slave_1 entered promiscuous mode [ 49.494231][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.501288][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.508842][ T346] device bridge_slave_1 entered promiscuous mode [ 49.600046][ T351] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.607233][ T351] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.614725][ T351] device bridge_slave_0 entered promiscuous mode [ 49.635468][ T351] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.642539][ T351] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.649981][ T351] device bridge_slave_1 entered promiscuous mode [ 49.684305][ T350] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.691365][ T350] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.698858][ T350] device bridge_slave_0 entered promiscuous mode [ 49.708039][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.715291][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.722777][ T352] device bridge_slave_0 entered promiscuous mode [ 49.735302][ T350] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.742347][ T350] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.749993][ T350] device bridge_slave_1 entered promiscuous mode [ 49.760324][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.767424][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.774857][ T352] device bridge_slave_1 entered promiscuous mode [ 49.831884][ T353] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.838970][ T353] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.846494][ T353] device bridge_slave_0 entered promiscuous mode [ 49.868826][ T353] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.876024][ T353] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.883547][ T353] device bridge_slave_1 entered promiscuous mode [ 49.993468][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.000658][ T347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.008072][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.015124][ T347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.065156][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.072297][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.079676][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.086706][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.102995][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.110575][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.118072][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.125441][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.135226][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.142667][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.180818][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.190681][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.199110][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.206174][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.247627][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.255652][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.264289][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.271327][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.278977][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.287899][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.294956][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.302353][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.310705][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.317852][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.326592][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.335066][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.342096][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.349982][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.362534][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.370894][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.377932][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.398835][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.407029][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.425866][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.433512][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.441366][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.449883][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.458514][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.465603][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.473114][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.481805][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.490006][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.497139][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.504626][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.512044][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.525484][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.533393][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.541578][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.560329][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.569608][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.578318][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.585407][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.593508][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.601841][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.609968][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.618138][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.626262][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.634418][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.642332][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.665113][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.673674][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.682458][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.691281][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.699692][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.706746][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.714202][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.722413][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.730790][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.738978][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.754513][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.762944][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.771259][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.783213][ T347] device veth0_vlan entered promiscuous mode [ 50.798448][ T346] device veth0_vlan entered promiscuous mode [ 50.808310][ T351] device veth0_vlan entered promiscuous mode [ 50.821609][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.830044][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.837833][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.845609][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.853451][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.861593][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.869994][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.878432][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.886740][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.894981][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.902484][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.910065][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.917586][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.930883][ T347] device veth1_macvtap entered promiscuous mode [ 50.942788][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.951044][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.959345][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.967124][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.975655][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.983058][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.995632][ T351] device veth1_macvtap entered promiscuous mode [ 51.012354][ T350] device veth0_vlan entered promiscuous mode [ 51.019303][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.028157][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.036769][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.044987][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.052488][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.060682][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.069425][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.078003][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.086224][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.093232][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.100864][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.109368][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.117667][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.124730][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.132153][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.140770][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.149217][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.157539][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.165995][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.185772][ T346] device veth1_macvtap entered promiscuous mode [ 51.194812][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.202910][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.210812][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.219003][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.227474][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.235849][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.244127][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.253112][ T352] device veth0_vlan entered promiscuous mode [ 51.262860][ T350] device veth1_macvtap entered promiscuous mode [ 51.279173][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.287580][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.308492][ T352] device veth1_macvtap entered promiscuous mode [ 51.316804][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.328138][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.339323][ T28] audit: type=1400 audit(1754113887.228:93): avc: denied { mounton } for pid=409 comm="syz-executor.4" path="/root/syzkaller-testdir3002087262/syzkaller.afy9BG/0/bus" dev="sda1" ino=2045 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 51.340483][ T410] loop4: detected capacity change from 0 to 519 [ 51.374806][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.375228][ T410] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 51.383296][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.389721][ T28] audit: type=1400 audit(1754113887.258:94): avc: denied { mounton } for pid=409 comm="syz-executor.4" path="/root/syzkaller-testdir3002087262/syzkaller.afy9BG/0/file0" dev="sda1" ino=2046 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 51.398110][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.432201][ T28] audit: type=1400 audit(1754113887.258:95): avc: denied { map } for pid=409 comm="syz-executor.4" path="/root/syzkaller-testdir3002087262/syzkaller.afy9BG/0/bus" dev="devtmpfs" ino=122 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 51.432913][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.475943][ T28] audit: type=1400 audit(1754113887.348:96): avc: denied { unmount } for pid=347 comm="syz-executor.4" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 51.486975][ T353] device veth0_vlan entered promiscuous mode [ 51.506295][ T414] loop4: detected capacity change from 0 to 512 [ 51.518102][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.533143][ T416] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 51.547056][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.554625][ T414] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 51.556429][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.562773][ T414] EXT4-fs (loop4): failed to initialize system zone (-117) [ 51.576897][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.583315][ T414] EXT4-fs (loop4): mount failed [ 51.586933][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.598625][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.610720][ T426] loop5: detected capacity change from 0 to 512 [ 51.615565][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.618688][ T425] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 16 prio class 2 [ 51.636564][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.652955][ T353] device veth1_macvtap entered promiscuous mode [ 51.653458][ T430] loop4: detected capacity change from 0 to 512 [ 51.676362][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.699214][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.707975][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.716935][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.730681][ T440] loop5: detected capacity change from 0 to 519 [ 51.731912][ T430] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 51.742760][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.756088][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.765156][ T439] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 3 prio class 2 [ 51.767165][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.785776][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.794546][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.803056][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.812713][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.867122][ T450] loop0: detected capacity change from 0 to 512 [ 51.884789][ T459] loop4: detected capacity change from 0 to 512 [ 51.909998][ T466] loop5: detected capacity change from 0 to 512 [ 51.918493][ T470] loop2: detected capacity change from 0 to 512 [ 51.930682][ T476] loop3: detected capacity change from 0 to 512 [ 51.936196][ T479] loop4: detected capacity change from 0 to 512 [ 51.959819][ T485] loop0: detected capacity change from 0 to 512 [ 51.975402][ T475] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 2 prio class 2 [ 52.004276][ T483] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 10 prio class 2 [ 52.006519][ T476] request_module fs- succeeded, but still no fs? [ 52.037466][ T505] loop1: detected capacity change from 0 to 512 [ 52.038765][ T466] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. [ 52.049844][ T502] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 11 prio class 2 [ 52.059951][ T28] audit: type=1400 audit(1754113887.938:97): avc: denied { mount } for pid=465 comm="syz-executor.5" name="/" dev="loop5" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 52.068028][ T466] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/5/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 52.089508][ T470] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 52.127637][ T351] EXT4-fs (loop5): unmounting filesystem. [ 52.134051][ T28] audit: type=1400 audit(1754113887.998:98): avc: denied { unmount } for pid=351 comm="syz-executor.5" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 52.138654][ T515] loop3: detected capacity change from 0 to 512 [ 52.153860][ T470] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/3/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 52.185963][ T515] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 52.187868][ T522] loop1: detected capacity change from 0 to 512 [ 52.202700][ T524] loop0: detected capacity change from 0 to 512 [ 52.206799][ T520] loop4: detected capacity change from 0 to 512 [ 52.217038][ T519] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 26 prio class 2 [ 52.227389][ T346] EXT4-fs (loop2): unmounting filesystem. [ 52.228205][ T520] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 52.273407][ T529] loop5: detected capacity change from 0 to 512 [ 52.274325][ T522] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 52.314957][ T520] EXT4-fs (loop4): group descriptors corrupted! [ 52.324432][ T533] loop0: detected capacity change from 0 to 518 [ 52.326959][ T522] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/4/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 52.371229][ T542] loop2: detected capacity change from 0 to 512 [ 52.382563][ T547] loop0: detected capacity change from 0 to 518 [ 52.389427][ T546] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 11 prio class 2 [ 52.400600][ T350] EXT4-fs (loop1): unmounting filesystem. [ 52.412769][ T541] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 52.488916][ T594] loop1: detected capacity change from 0 to 512 [ 52.499134][ T600] loop5: detected capacity change from 0 to 512 [ 52.502708][ T598] loop0: detected capacity change from 0 to 512 [ 52.525368][ T593] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 2 [ 52.537281][ T613] loop3: detected capacity change from 0 to 512 [ 52.548588][ T573] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 15 prio class 2 [ 52.555377][ T600] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 52.561700][ T573] Buffer I/O error on dev loop0, logical block 0, async page read [ 52.589555][ T621] loop2: detected capacity change from 0 to 512 [ 52.599670][ T626] loop4: detected capacity change from 0 to 512 [ 52.617540][ T635] loop3: detected capacity change from 0 to 512 [ 52.624073][ T619] Buffer I/O error on dev loop2, logical block 0, async page read [ 52.628816][ T634] Buffer I/O error on dev loop3, logical block 0, async page read [ 52.632848][ T620] Buffer I/O error on dev loop4, logical block 0, async page read [ 52.661692][ T647] loop5: detected capacity change from 0 to 512 [ 52.674277][ T646] Buffer I/O error on dev loop5, logical block 0, async page read [ 52.675997][ T650] loop2: detected capacity change from 0 to 512 [ 52.699362][ T659] loop1: detected capacity change from 0 to 512 [ 52.716936][ T657] Buffer I/O error on dev loop1, logical block 0, async page read [ 52.728768][ T669] loop4: detected capacity change from 0 to 512 [ 52.741133][ T668] Buffer I/O error on dev loop4, logical block 0, async page read [ 52.774830][ T683] loop3: detected capacity change from 0 to 517 [ 52.808304][ T701] loop5: detected capacity change from 0 to 512 [ 52.819309][ T696] loop1: detected capacity change from 0 to 519 [ 52.819382][ T705] loop0: detected capacity change from 0 to 512 [ 52.834589][ T694] Buffer I/O error on dev loop1, logical block 0, async page read [ 52.843297][ T694] Buffer I/O error on dev loop1, logical block 0, async page read [ 52.855085][ T700] Buffer I/O error on dev loop5, logical block 0, async page read [ 52.909049][ T733] loop5: detected capacity change from 0 to 512 [ 52.928082][ T741] loop4: detected capacity change from 0 to 512 [ 52.981357][ T766] loop4: detected capacity change from 0 to 512 [ 52.997300][ T774] loop0: detected capacity change from 0 to 518 [ 53.028345][ T766] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 53.041233][ T766] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/23/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 53.058351][ T789] loop5: detected capacity change from 0 to 512 [ 53.059698][ T799] loop2: detected capacity change from 0 to 512 [ 53.085744][ T347] EXT4-fs (loop4): unmounting filesystem. [ 53.110027][ T812] loop3: detected capacity change from 0 to 512 [ 53.114689][ T816] loop1: detected capacity change from 0 to 512 [ 53.140925][ T834] loop4: detected capacity change from 0 to 512 [ 53.155153][ T833] loop2: detected capacity change from 0 to 519 [ 53.166514][ T816] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 53.195528][ T816] EXT4-fs (loop1): failed to initialize system zone (-117) [ 53.203497][ T816] EXT4-fs (loop1): mount failed [ 53.222226][ T855] loop5: detected capacity change from 0 to 512 [ 53.236150][ T858] loop0: detected capacity change from 0 to 512 [ 53.256394][ T871] loop2: detected capacity change from 0 to 512 [ 53.268652][ T876] loop4: detected capacity change from 0 to 519 [ 53.286329][ T871] EXT4-fs (loop2): Magic mismatch, very weird! [ 53.295165][ T858] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 53.337977][ T901] loop1: detected capacity change from 0 to 512 [ 53.349060][ T906] loop2: detected capacity change from 0 to 512 [ 53.363544][ T913] loop3: detected capacity change from 0 to 512 [ 53.396871][ T906] EXT4-fs (loop2): Magic mismatch, very weird! [ 53.439191][ T940] loop0: detected capacity change from 0 to 512 [ 53.450524][ T948] loop1: detected capacity change from 0 to 512 [ 53.452592][ T955] loop4: detected capacity change from 0 to 512 [ 53.458397][ T945] loop2: detected capacity change from 0 to 512 [ 53.467291][ T956] loop3: detected capacity change from 0 to 512 [ 53.512482][ T965] loop4: detected capacity change from 0 to 512 [ 53.523000][ T945] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 53.536066][ T975] loop0: detected capacity change from 0 to 512 [ 53.544438][ T973] loop5: detected capacity change from 0 to 512 [ 53.552967][ T945] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/27/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 53.567102][ T975] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 53.574078][ T956] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 53.587052][ T975] EXT4-fs (loop0): group descriptors corrupted! [ 53.603936][ T956] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/32/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 53.626714][ T346] EXT4-fs (loop2): unmounting filesystem. [ 53.640233][ T988] loop1: detected capacity change from 0 to 512 [ 53.650645][ T353] EXT4-fs (loop3): unmounting filesystem. [ 53.717768][ T997] loop5: detected capacity change from 0 to 512 [ 53.727842][ T999] loop4: detected capacity change from 0 to 512 [ 53.741146][ T995] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 53.752519][ T988] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 53.781748][ T1012] loop0: detected capacity change from 0 to 512 [ 53.797440][ T1006] loop2: detected capacity change from 0 to 512 [ 53.803916][ T988] EXT4-fs (loop1): failed to initialize system zone (-117) [ 53.825597][ T988] EXT4-fs (loop1): mount failed [ 53.851750][ T1018] loop3: detected capacity change from 0 to 512 [ 53.881148][ T1026] loop5: detected capacity change from 0 to 512 [ 53.894131][ T1029] loop0: detected capacity change from 0 to 512 [ 53.901945][ T1030] loop4: detected capacity change from 0 to 512 [ 53.959164][ T1040] loop1: detected capacity change from 0 to 512 [ 54.008445][ T1051] loop3: detected capacity change from 0 to 512 [ 54.039314][ T1066] loop2: detected capacity change from 0 to 512 [ 54.080494][ T1079] loop5: detected capacity change from 0 to 512 [ 54.136929][ T1091] loop2: detected capacity change from 0 to 512 [ 54.162487][ T1103] loop1: detected capacity change from 0 to 512 2025/08/02 05:51:30 executed programs: 232 [ 54.227051][ T1113] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 54.232582][ T1130] loop4: detected capacity change from 0 to 512 [ 54.248137][ T1103] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 54.250001][ T1132] loop0: detected capacity change from 0 to 512 [ 54.260915][ T1103] EXT4-fs (loop1): failed to initialize system zone (-117) [ 54.284381][ T1141] loop2: detected capacity change from 0 to 512 [ 54.291412][ T1138] loop5: detected capacity change from 0 to 512 [ 54.313963][ T1103] EXT4-fs (loop1): mount failed [ 54.323268][ T1132] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 54.333252][ T1132] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/36/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 54.359904][ T1155] loop5: detected capacity change from 0 to 512 [ 54.368526][ T1149] loop3: detected capacity change from 0 to 512 [ 54.381826][ T1151] loop2: detected capacity change from 0 to 512 [ 54.384127][ T1153] loop4: detected capacity change from 0 to 512 [ 54.396954][ T1158] loop1: detected capacity change from 0 to 512 [ 54.410367][ T1155] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 54.423587][ T1149] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 54.434407][ T1153] EXT4-fs (loop4): Magic mismatch, very weird! [ 54.453042][ T1158] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 54.470463][ T352] EXT4-fs (loop0): unmounting filesystem. [ 54.509201][ T1167] loop2: detected capacity change from 0 to 512 [ 54.537111][ T1169] loop0: detected capacity change from 0 to 512 [ 54.553132][ T1174] loop5: detected capacity change from 0 to 512 [ 54.571009][ T1169] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 54.617576][ T1191] loop1: detected capacity change from 0 to 512 [ 54.628377][ T1196] loop5: detected capacity change from 0 to 512 [ 54.666056][ T1199] loop2: detected capacity change from 0 to 512 [ 54.683644][ T1201] loop3: detected capacity change from 0 to 512 [ 54.691886][ T1199] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 54.706242][ T1214] loop1: detected capacity change from 0 to 519 [ 54.741765][ T1199] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/39/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 54.757667][ T1216] loop0: detected capacity change from 0 to 512 [ 54.822893][ T346] EXT4-fs (loop2): unmounting filesystem. [ 54.835637][ T1232] loop4: detected capacity change from 0 to 512 [ 54.862660][ T1235] loop3: detected capacity change from 0 to 517 [ 54.887507][ T1243] loop1: detected capacity change from 0 to 519 [ 54.901317][ T1241] loop5: detected capacity change from 0 to 512 [ 54.959001][ T1249] loop2: detected capacity change from 0 to 512 [ 54.967421][ T1232] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 54.987980][ T1258] loop0: detected capacity change from 0 to 518 [ 55.007478][ T1261] loop3: detected capacity change from 0 to 512 [ 55.016676][ T1264] loop5: detected capacity change from 0 to 512 [ 55.033589][ T1232] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/49/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.178826][ T347] EXT4-fs (loop4): unmounting filesystem. [ 55.185336][ T1282] loop3: detected capacity change from 0 to 512 [ 55.201767][ T1288] loop2: detected capacity change from 0 to 512 [ 55.259699][ T1305] loop4: detected capacity change from 0 to 512 [ 55.270181][ T1302] loop1: detected capacity change from 0 to 512 [ 55.303417][ T1318] loop0: detected capacity change from 0 to 512 [ 55.335467][ T1328] loop3: detected capacity change from 0 to 512 [ 55.411977][ T1345] loop4: detected capacity change from 0 to 512 [ 55.416275][ T1346] loop5: detected capacity change from 0 to 512 [ 55.420756][ T1341] loop1: detected capacity change from 0 to 512 [ 55.434424][ T1351] loop3: detected capacity change from 0 to 512 [ 55.437956][ T1355] loop0: detected capacity change from 0 to 512 [ 55.468687][ T1358] loop2: detected capacity change from 0 to 512 [ 55.550538][ T1372] loop0: detected capacity change from 0 to 518 [ 55.642609][ T1399] loop1: detected capacity change from 0 to 512 [ 55.664918][ T1404] loop2: detected capacity change from 0 to 512 [ 55.710395][ T1427] loop0: detected capacity change from 0 to 512 [ 55.772692][ T1453] loop3: detected capacity change from 0 to 512 [ 55.829639][ T1468] loop4: detected capacity change from 0 to 512 [ 55.876398][ T1471] loop1: detected capacity change from 0 to 512 [ 55.936283][ T1507] loop2: detected capacity change from 0 to 512 [ 55.984884][ T1526] loop4: detected capacity change from 0 to 512 [ 55.995316][ T1520] loop0: detected capacity change from 0 to 512 [ 55.999686][ T1523] loop5: detected capacity change from 0 to 512 [ 56.020525][ T1531] loop3: detected capacity change from 0 to 512 [ 56.028160][ T1526] EXT4-fs (loop4): Magic mismatch, very weird! [ 56.087725][ T1534] loop2: detected capacity change from 0 to 512 [ 56.088951][ T1523] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 56.167473][ T1545] loop4: detected capacity change from 0 to 512 [ 56.180024][ T1556] loop1: detected capacity change from 0 to 512 [ 56.201254][ T1568] loop0: detected capacity change from 0 to 512 [ 56.260020][ T1587] loop1: detected capacity change from 0 to 519 [ 56.268297][ T1580] loop4: detected capacity change from 0 to 512 [ 56.271173][ T1585] loop0: detected capacity change from 0 to 512 [ 56.294193][ T1595] loop2: detected capacity change from 0 to 519 [ 56.329790][ T1602] loop0: detected capacity change from 0 to 518 [ 56.346094][ T1609] loop5: detected capacity change from 0 to 512 [ 56.353697][ T1612] loop4: detected capacity change from 0 to 512 [ 56.405578][ T1628] loop2: detected capacity change from 0 to 512 [ 56.412009][ T1632] loop0: detected capacity change from 0 to 512 [ 56.415060][ T1622] loop3: detected capacity change from 0 to 512 [ 56.443091][ T1646] loop4: detected capacity change from 0 to 512 [ 56.474660][ T1653] loop3: detected capacity change from 0 to 512 [ 56.483372][ T1643] loop1: detected capacity change from 0 to 519 [ 56.512228][ T1663] loop5: detected capacity change from 0 to 519 [ 56.527477][ T1670] loop1: detected capacity change from 0 to 512 [ 56.530458][ T1669] loop0: detected capacity change from 0 to 512 [ 56.588907][ T1693] loop4: detected capacity change from 0 to 512 [ 56.606531][ T1696] loop1: detected capacity change from 0 to 512 [ 56.609010][ T1703] loop0: detected capacity change from 0 to 512 [ 56.643562][ T1714] loop5: detected capacity change from 0 to 512 [ 56.666854][ T1723] loop3: detected capacity change from 0 to 512 [ 56.669867][ T1713] blk_print_req_error: 701 callbacks suppressed [ 56.669907][ T1713] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 56.688430][ T1729] loop4: detected capacity change from 0 to 519 [ 56.700061][ T1728] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 56.705834][ T1722] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 56.713738][ T1728] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 56.724071][ T1733] loop2: detected capacity change from 0 to 512 [ 56.734899][ T1722] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 56.734963][ T1722] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 56.735033][ T1722] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 56.735073][ T1722] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 56.735111][ T1722] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 56.735162][ T1722] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 56.811276][ T1746] loop1: detected capacity change from 0 to 512 [ 56.832076][ T1755] loop4: detected capacity change from 0 to 512 [ 56.843208][ T1758] loop0: detected capacity change from 0 to 512 [ 56.856195][ T1733] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 56.882561][ T1751] loop3: detected capacity change from 0 to 512 [ 56.884643][ T1733] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/65/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 56.913277][ T1764] loop5: detected capacity change from 0 to 512 [ 56.925056][ T1746] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 56.939301][ T1758] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 56.966430][ T1746] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/69/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 56.969157][ T1764] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 56.993252][ T346] EXT4-fs (loop2): unmounting filesystem. [ 57.001846][ T1751] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 57.014589][ T1755] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 57.035931][ T1755] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/74/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 57.038244][ T1774] loop0: detected capacity change from 0 to 512 [ 57.066733][ T1751] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/77/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 57.067356][ T1774] EXT4-fs (loop0): Magic mismatch, very weird! [ 57.088338][ T350] EXT4-fs (loop1): unmounting filesystem. [ 57.152957][ T1780] loop1: detected capacity change from 0 to 512 [ 57.173320][ T353] EXT4-fs (loop3): unmounting filesystem. [ 57.253263][ T1791] loop5: detected capacity change from 0 to 512 [ 57.279996][ T1786] loop3: detected capacity change from 0 to 512 [ 57.307925][ T1802] loop2: detected capacity change from 0 to 512 [ 57.314865][ T347] EXT4-fs (loop4): unmounting filesystem. [ 57.409089][ T1827] loop0: detected capacity change from 0 to 512 [ 57.414647][ T1820] loop1: detected capacity change from 0 to 512 [ 57.439972][ T1836] loop2: detected capacity change from 0 to 512 [ 57.445163][ T1841] loop4: detected capacity change from 0 to 512 [ 57.446584][ T1830] loop5: detected capacity change from 0 to 512 [ 57.463102][ T1839] loop0: detected capacity change from 0 to 518 [ 57.510652][ T1847] loop3: detected capacity change from 0 to 512 [ 57.520957][ T1856] loop1: detected capacity change from 0 to 512 [ 57.563155][ T1870] loop2: detected capacity change from 0 to 512 [ 57.582390][ T1830] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. [ 57.596931][ T1869] buffer_io_error: 756 callbacks suppressed [ 57.596949][ T1869] Buffer I/O error on dev loop2, logical block 0, async page read [ 57.613117][ T1830] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/81/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 57.678880][ T351] EXT4-fs (loop5): unmounting filesystem. [ 57.686960][ T1879] loop3: detected capacity change from 0 to 512 [ 57.700192][ T1882] loop0: detected capacity change from 0 to 518 [ 57.723607][ T1894] loop4: detected capacity change from 0 to 512 [ 57.732569][ T1893] Buffer I/O error on dev loop4, logical block 0, async page read [ 57.769587][ T1906] loop1: detected capacity change from 0 to 519 [ 57.779140][ T1891] loop5: detected capacity change from 0 to 512 [ 57.792387][ T1904] loop3: detected capacity change from 0 to 512 [ 57.846996][ T1930] loop4: detected capacity change from 0 to 512 [ 57.861955][ T1939] loop1: detected capacity change from 0 to 512 [ 57.880225][ T1938] Buffer I/O error on dev loop1, logical block 0, async page read [ 57.891479][ T1950] loop0: detected capacity change from 0 to 512 [ 57.915427][ T1954] loop2: detected capacity change from 0 to 512 [ 57.916012][ T1952] Buffer I/O error on dev loop2, logical block 0, async page read [ 57.933014][ T1930] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 57.934617][ T1949] Buffer I/O error on dev loop0, logical block 0, async page read [ 57.951079][ T1930] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/82/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 57.976482][ T1963] loop5: detected capacity change from 0 to 512 [ 57.992298][ T1968] loop3: detected capacity change from 0 to 512 [ 58.029426][ T1962] Buffer I/O error on dev loop3, logical block 0, async page read [ 58.076502][ T1973] loop5: detected capacity change from 0 to 512 [ 58.077826][ T1977] loop1: detected capacity change from 0 to 512 [ 58.093505][ T1976] Buffer I/O error on dev loop1, logical block 0, async page read [ 58.110167][ T347] EXT4-fs (loop4): unmounting filesystem. [ 58.127559][ T1984] loop0: detected capacity change from 0 to 512 [ 58.147636][ T1980] Buffer I/O error on dev loop0, logical block 0, async page read [ 58.156532][ T1973] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. [ 58.171834][ T1973] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/87/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.220490][ T2005] loop0: detected capacity change from 0 to 512 [ 58.238460][ T351] EXT4-fs (loop5): unmounting filesystem. [ 58.267000][ T2019] loop4: detected capacity change from 0 to 512 [ 58.292419][ T2025] loop5: detected capacity change from 0 to 512 [ 58.314125][ T2031] loop3: detected capacity change from 0 to 512 [ 58.362250][ T2041] loop1: detected capacity change from 0 to 512 [ 58.375489][ T2043] loop0: detected capacity change from 0 to 512 [ 58.433165][ T2019] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 58.443894][ T2019] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/84/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.463989][ T2041] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 58.472923][ T2041] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/87/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.511911][ T347] EXT4-fs (loop4): unmounting filesystem. [ 58.511935][ T350] EXT4-fs (loop1): unmounting filesystem. [ 58.552528][ T2070] loop5: detected capacity change from 0 to 512 [ 58.567429][ T2068] loop3: detected capacity change from 0 to 517 [ 58.580086][ T2080] loop4: detected capacity change from 0 to 512 [ 58.580120][ T2067] Buffer I/O error on dev loop3, logical block 0, async page read [ 58.589181][ T2066] Buffer I/O error on dev loop5, logical block 0, async page read [ 58.692560][ T2121] loop0: detected capacity change from 0 to 512 [ 58.705977][ T2127] loop1: detected capacity change from 0 to 512 [ 58.728384][ T2138] loop4: detected capacity change from 0 to 512 [ 58.752789][ T2149] loop1: detected capacity change from 0 to 512 [ 58.789606][ T2167] loop2: detected capacity change from 0 to 512 [ 58.811775][ T2173] loop3: detected capacity change from 0 to 517 [ 58.830913][ T2138] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 58.840090][ T2138] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/88/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 58.873009][ T2183] loop5: detected capacity change from 0 to 512 [ 58.873437][ T2187] loop0: detected capacity change from 0 to 512 [ 58.888993][ T347] EXT4-fs (loop4): unmounting filesystem. [ 58.891032][ T2180] loop1: detected capacity change from 0 to 512 [ 58.895930][ T2189] loop2: detected capacity change from 0 to 512 [ 58.904926][ T2183] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 58.930230][ T2194] loop3: detected capacity change from 0 to 517 [ 58.940688][ T2187] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 58.941937][ T2196] loop4: detected capacity change from 0 to 519 [ 58.967158][ T2205] loop2: detected capacity change from 0 to 512 [ 58.991129][ T2212] loop5: detected capacity change from 0 to 512 [ 59.007995][ T2215] loop4: detected capacity change from 0 to 512 [ 59.029041][ T2221] loop3: detected capacity change from 0 to 512 [ 59.043106][ T2228] loop1: detected capacity change from 0 to 512 [ 59.053427][ T2231] loop0: detected capacity change from 0 to 512 [ 59.057871][ T2234] loop2: detected capacity change from 0 to 512 [ 59.087582][ T2240] loop3: detected capacity change from 0 to 512 [ 59.098175][ T2244] loop1: detected capacity change from 0 to 512 [ 59.112746][ T2252] loop0: detected capacity change from 0 to 512 [ 59.174376][ T2264] loop4: detected capacity change from 0 to 512 [ 59.180877][ T2273] loop3: detected capacity change from 0 to 512 2025/08/02 05:51:35 executed programs: 609 [ 59.222034][ T2289] loop4: detected capacity change from 0 to 512 [ 59.244018][ T2295] loop3: detected capacity change from 0 to 512 [ 59.264497][ T2295] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 59.266291][ T2305] loop1: detected capacity change from 0 to 512 [ 59.280657][ T2312] loop4: detected capacity change from 0 to 512 [ 59.306242][ T2315] loop0: detected capacity change from 0 to 512 [ 59.316722][ T2324] loop2: detected capacity change from 0 to 512 [ 59.334692][ T2315] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 59.350238][ T2328] loop3: detected capacity change from 0 to 512 [ 59.419272][ T2347] loop4: detected capacity change from 0 to 512 [ 59.421365][ T2349] loop3: detected capacity change from 0 to 512 [ 59.443199][ T2352] loop1: detected capacity change from 0 to 512 [ 59.451128][ T2358] loop0: detected capacity change from 0 to 512 [ 59.465388][ T2349] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 59.507543][ T2375] loop2: detected capacity change from 0 to 512 [ 59.518639][ T2367] loop5: detected capacity change from 0 to 512 [ 59.525803][ T2373] loop4: detected capacity change from 0 to 512 [ 59.563723][ T2381] loop3: detected capacity change from 0 to 512 [ 59.595722][ T2391] loop4: detected capacity change from 0 to 512 [ 59.596030][ T2396] loop2: detected capacity change from 0 to 512 [ 59.623586][ T2381] EXT4-fs (loop3): Magic mismatch, very weird! [ 59.644439][ T2401] loop1: detected capacity change from 0 to 512 [ 59.661145][ T2407] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 59.687393][ T2391] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 59.712218][ T2422] loop0: detected capacity change from 0 to 512 [ 59.726836][ T2391] EXT4-fs (loop4): failed to initialize system zone (-117) [ 59.746472][ T2391] EXT4-fs (loop4): mount failed [ 59.800195][ T2435] loop5: detected capacity change from 0 to 512 [ 59.810773][ T2440] loop1: detected capacity change from 0 to 512 [ 59.817575][ T2429] loop3: detected capacity change from 0 to 512 [ 59.843218][ T2443] loop4: detected capacity change from 0 to 512 [ 59.899799][ T2456] loop5: detected capacity change from 0 to 512 [ 59.901791][ T2458] loop2: detected capacity change from 0 to 512 [ 59.946749][ T2471] loop1: detected capacity change from 0 to 512 [ 59.968767][ T2468] loop0: detected capacity change from 0 to 518 [ 59.982406][ T2480] loop4: detected capacity change from 0 to 512 [ 60.010118][ T2477] loop5: detected capacity change from 0 to 512 [ 60.064147][ T2492] loop1: detected capacity change from 0 to 512 [ 60.066695][ T2498] loop2: detected capacity change from 0 to 512 [ 60.131263][ T2511] loop3: detected capacity change from 0 to 512 [ 60.165963][ T2521] loop0: detected capacity change from 0 to 512 [ 60.181432][ T2523] loop1: detected capacity change from 0 to 512 [ 60.186782][ T2526] loop5: detected capacity change from 0 to 512 [ 60.219298][ T2532] loop4: detected capacity change from 0 to 512 [ 60.235243][ T2535] loop2: detected capacity change from 0 to 512 [ 60.245580][ T2523] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 60.279526][ T2545] loop3: detected capacity change from 0 to 512 [ 60.290737][ T2549] loop5: detected capacity change from 0 to 512 [ 60.313417][ T2551] loop4: detected capacity change from 0 to 512 [ 60.326791][ T2554] loop0: detected capacity change from 0 to 518 [ 60.380982][ T2560] loop2: detected capacity change from 0 to 512 [ 60.404459][ T2545] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 60.415883][ T2545] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/117/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 60.449181][ T353] EXT4-fs (loop3): unmounting filesystem. [ 60.491360][ T2578] loop4: detected capacity change from 0 to 512 [ 60.546257][ T2602] loop5: detected capacity change from 0 to 512 [ 60.563496][ T2608] loop2: detected capacity change from 0 to 512 [ 60.604629][ T2621] loop1: detected capacity change from 0 to 512 [ 60.637164][ T2638] loop4: detected capacity change from 0 to 512 [ 60.657729][ T2643] loop3: detected capacity change from 0 to 512 [ 60.670265][ T2644] loop5: detected capacity change from 0 to 512 [ 60.709183][ T2651] loop0: detected capacity change from 0 to 518 [ 60.711617][ T2657] loop4: detected capacity change from 0 to 512 [ 60.752739][ T2665] loop5: detected capacity change from 0 to 512 [ 60.791839][ T2674] loop4: detected capacity change from 0 to 512 [ 60.831059][ T2682] loop3: detected capacity change from 0 to 512 [ 60.848631][ T2686] loop5: detected capacity change from 0 to 512 [ 60.880695][ T2698] loop4: detected capacity change from 0 to 512 [ 60.888029][ T2690] loop0: detected capacity change from 0 to 518 [ 60.919643][ T2704] loop2: detected capacity change from 0 to 512 [ 60.920121][ T2702] loop1: detected capacity change from 0 to 512 [ 61.001459][ T2727] loop2: detected capacity change from 0 to 512 [ 61.008653][ T2726] loop3: detected capacity change from 0 to 512 [ 61.021386][ T2737] loop4: detected capacity change from 0 to 512 [ 61.062914][ T2746] loop1: detected capacity change from 0 to 512 [ 61.078710][ T2749] loop5: detected capacity change from 0 to 512 [ 61.094096][ T2752] loop0: detected capacity change from 0 to 512 [ 61.141042][ T2762] loop2: detected capacity change from 0 to 512 [ 61.177014][ T2775] loop0: detected capacity change from 0 to 512 [ 61.190397][ T2778] loop1: detected capacity change from 0 to 512 [ 61.194971][ T2780] loop3: detected capacity change from 0 to 512 [ 61.212337][ T2782] loop4: detected capacity change from 0 to 512 [ 61.245815][ T2788] loop0: detected capacity change from 0 to 512 [ 61.260532][ T2790] loop2: detected capacity change from 0 to 512 [ 61.268176][ T2791] loop5: detected capacity change from 0 to 512 [ 61.282533][ T2780] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 61.291238][ T2780] EXT4-fs (loop3): failed to initialize system zone (-117) [ 61.298872][ T2780] EXT4-fs (loop3): mount failed [ 61.317230][ T2799] loop0: detected capacity change from 0 to 512 [ 61.363065][ T2778] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 61.375532][ T2790] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 61.406431][ T2810] loop4: detected capacity change from 0 to 512 [ 61.457942][ T2778] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/128/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.472988][ T2819] loop5: detected capacity change from 0 to 512 [ 61.483521][ T2790] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/125/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.568708][ T2819] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. [ 61.582175][ T346] EXT4-fs (loop2): unmounting filesystem. [ 61.588710][ T2819] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/138/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 61.612694][ T2826] loop0: detected capacity change from 0 to 512 [ 61.619858][ T350] EXT4-fs (loop1): unmounting filesystem. [ 61.630639][ T2829] loop3: detected capacity change from 0 to 512 [ 61.636354][ T2831] loop4: detected capacity change from 0 to 512 [ 61.662838][ T2834] loop1: detected capacity change from 0 to 512 [ 61.690971][ T351] EXT4-fs (loop5): unmounting filesystem. [ 61.719047][ T2841] loop3: detected capacity change from 0 to 512 [ 61.754631][ T2850] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 61.766712][ T2843] loop5: detected capacity change from 0 to 512 [ 61.773357][ T2848] loop0: detected capacity change from 0 to 512 [ 61.774050][ T2846] loop1: detected capacity change from 0 to 512 [ 61.788062][ T2847] blk_print_req_error: 857 callbacks suppressed [ 61.788079][ T2847] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 61.806887][ T2841] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 61.808101][ T2847] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 61.822105][ T2841] EXT4-fs (loop3): failed to initialize system zone (-117) [ 61.860504][ T2863] loop1: detected capacity change from 0 to 512 [ 61.869035][ T2841] EXT4-fs (loop3): mount failed [ 61.893430][ T2847] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 61.942735][ T2879] loop3: detected capacity change from 0 to 512 [ 61.983683][ T2883] loop0: detected capacity change from 0 to 512 [ 62.015822][ T2897] loop5: detected capacity change from 0 to 512 [ 62.030154][ T2900] loop1: detected capacity change from 0 to 512 [ 62.057748][ T2904] loop4: detected capacity change from 0 to 512 [ 62.076094][ T2912] loop3: detected capacity change from 0 to 512 [ 62.139130][ T2930] loop0: detected capacity change from 0 to 512 [ 62.140494][ T2904] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 62.168077][ T2928] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 2 [ 62.197568][ T2939] loop5: detected capacity change from 0 to 512 [ 62.252140][ T2939] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 62.273704][ T2970] loop4: detected capacity change from 0 to 512 [ 62.282335][ T2964] loop0: detected capacity change from 0 to 512 [ 62.296671][ T2967] loop3: detected capacity change from 0 to 517 [ 62.309712][ T2969] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 62.360466][ T2977] loop2: detected capacity change from 0 to 519 [ 62.399438][ T2975] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 62.405862][ T2993] loop0: detected capacity change from 0 to 512 [ 62.409966][ T2985] loop3: detected capacity change from 0 to 512 [ 62.421921][ T2991] loop1: detected capacity change from 0 to 512 [ 62.434750][ T2975] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 62.466185][ T2991] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 62.492120][ T3004] loop3: detected capacity change from 0 to 512 [ 62.526573][ T3002] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 62.546858][ T3018] loop0: detected capacity change from 0 to 512 [ 62.560390][ T2991] EXT4-fs (loop1): group descriptors corrupted! [ 62.562969][ T3014] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 28 prio class 2 [ 62.588240][ T3021] loop2: detected capacity change from 0 to 512 [ 62.607499][ T3021] EXT4-fs (loop2): Magic mismatch, very weird! [ 62.614093][ T3027] loop5: detected capacity change from 0 to 512 [ 62.636940][ T3031] loop3: detected capacity change from 0 to 512 [ 62.656477][ T3030] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 62.672185][ T3041] loop4: detected capacity change from 0 to 512 [ 62.698612][ T3051] loop5: detected capacity change from 0 to 512 [ 62.712353][ T3056] loop2: detected capacity change from 0 to 512 [ 62.720496][ T3040] buffer_io_error: 688 callbacks suppressed [ 62.720513][ T3040] Buffer I/O error on dev loop4, logical block 0, async page read [ 62.770615][ T3056] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 62.807283][ T3056] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/140/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 62.809502][ T3078] loop4: detected capacity change from 0 to 512 [ 62.863389][ T3085] loop0: detected capacity change from 0 to 518 [ 62.889731][ T3096] loop3: detected capacity change from 0 to 512 [ 62.894220][ T346] EXT4-fs (loop2): unmounting filesystem. [ 62.943957][ T3103] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 62.955646][ T3096] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 62.980631][ T3096] EXT4-fs (loop3): failed to initialize system zone (-117) [ 62.990316][ T3096] EXT4-fs (loop3): mount failed [ 63.018820][ T3078] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 63.032783][ T3078] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/136/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 63.072699][ T3122] loop0: detected capacity change from 0 to 512 [ 63.094405][ T347] EXT4-fs (loop4): unmounting filesystem. [ 63.101679][ T3120] Buffer I/O error on dev loop0, logical block 0, async page read [ 63.109806][ T3120] Buffer I/O error on dev loop0, logical block 0, async page read [ 63.125810][ T3142] loop2: detected capacity change from 0 to 519 [ 63.127123][ T3145] loop1: detected capacity change from 0 to 512 [ 63.140707][ T3137] Buffer I/O error on dev loop1, logical block 0, async page read [ 63.168027][ T3149] loop5: detected capacity change from 0 to 512 [ 63.189655][ T3154] EXT4-fs warning (device loop2): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 63.191986][ T3158] loop0: detected capacity change from 0 to 518 [ 63.210448][ T3147] Buffer I/O error on dev loop5, logical block 0, async page read [ 63.218815][ T3142] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 63.230082][ T3142] EXT4-fs (loop2): failed to initialize system zone (-117) [ 63.232138][ T3165] loop4: detected capacity change from 0 to 512 [ 63.238250][ T3142] EXT4-fs (loop2): mount failed [ 63.254854][ T3161] Buffer I/O error on dev loop4, logical block 0, async page read [ 63.259483][ T3163] loop3: detected capacity change from 0 to 512 [ 63.264833][ T3161] Buffer I/O error on dev loop4, logical block 0, async page read [ 63.284689][ T3161] Buffer I/O error on dev loop4, logical block 0, async page read [ 63.305180][ T3177] loop0: detected capacity change from 0 to 512 [ 63.316779][ T3172] loop1: detected capacity change from 0 to 512 [ 63.337026][ T3186] loop5: detected capacity change from 0 to 512 [ 63.383442][ T3177] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 63.393004][ T3204] loop3: detected capacity change from 0 to 512 [ 63.464037][ T3177] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/146/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 63.513964][ T3204] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 63.550466][ T3217] loop5: detected capacity change from 0 to 512 [ 63.554759][ T3222] loop3: detected capacity change from 0 to 512 [ 63.564766][ T3214] Buffer I/O error on dev loop5, logical block 0, async page read [ 63.589899][ T3211] loop2: detected capacity change from 0 to 512 [ 63.597459][ T3220] loop4: detected capacity change from 0 to 519 [ 63.597942][ T3219] Buffer I/O error on dev loop4, logical block 0, async page read [ 63.608872][ T3222] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 63.627580][ T352] EXT4-fs (loop0): unmounting filesystem. [ 63.655812][ T3233] loop2: detected capacity change from 0 to 512 [ 63.660120][ T3231] loop5: detected capacity change from 0 to 512 [ 63.728091][ T3233] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 63.754135][ T3233] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/148/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 63.804356][ T3270] loop3: detected capacity change from 0 to 512 [ 63.815395][ T346] EXT4-fs (loop2): unmounting filesystem. [ 63.816782][ T3276] loop4: detected capacity change from 0 to 512 [ 63.833746][ T3286] loop5: detected capacity change from 0 to 512 [ 63.857254][ T3276] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 63.875644][ T3276] EXT4-fs (loop4): failed to initialize system zone (-117) [ 63.883484][ T3276] EXT4-fs (loop4): mount failed [ 63.884539][ T3294] loop3: detected capacity change from 0 to 512 [ 63.894066][ T3293] loop0: detected capacity change from 0 to 512 [ 63.912335][ T3304] loop2: detected capacity change from 0 to 512 [ 63.918967][ T3294] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 63.923249][ T3307] loop1: detected capacity change from 0 to 512 [ 63.953913][ T3307] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 63.966718][ T3304] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 63.997414][ T3304] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/149/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.050840][ T3321] loop4: detected capacity change from 0 to 512 [ 64.065745][ T3316] loop0: detected capacity change from 0 to 518 [ 64.066962][ T3319] loop3: detected capacity change from 0 to 512 [ 64.085748][ T346] EXT4-fs (loop2): unmounting filesystem. [ 64.107078][ T3316] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 64.120610][ T3327] loop5: detected capacity change from 0 to 512 [ 64.123273][ T3330] loop1: detected capacity change from 0 to 512 [ 64.145002][ T3330] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 64.161748][ T3334] loop2: detected capacity change from 0 to 512 [ 64.174265][ T3321] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 64.184467][ T3334] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 64.186533][ T3321] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/147/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.210693][ T3334] EXT4-fs (loop2): group descriptors corrupted! 2025/08/02 05:51:40 executed programs: 945 [ 64.254086][ T3347] loop0: detected capacity change from 0 to 512 [ 64.254985][ T347] EXT4-fs (loop4): unmounting filesystem. [ 64.261373][ T3351] loop5: detected capacity change from 0 to 512 [ 64.266351][ T3356] loop1: detected capacity change from 0 to 512 [ 64.279009][ T3354] loop3: detected capacity change from 0 to 512 [ 64.288862][ T3359] loop2: detected capacity change from 0 to 512 [ 64.362819][ T3378] loop3: detected capacity change from 0 to 512 [ 64.386302][ T3371] loop5: detected capacity change from 0 to 512 [ 64.471284][ T3371] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. [ 64.480465][ T3371] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/170/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.544431][ T351] EXT4-fs (loop5): unmounting filesystem. [ 64.549566][ T3425] loop1: detected capacity change from 0 to 512 [ 64.552569][ T3423] loop4: detected capacity change from 0 to 512 [ 64.560966][ T3427] loop0: detected capacity change from 0 to 512 [ 64.571259][ T3420] loop3: detected capacity change from 0 to 512 [ 64.583525][ T3429] loop2: detected capacity change from 0 to 512 [ 64.591721][ T3420] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 64.594932][ T3425] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 64.605951][ T3423] EXT4-fs (loop4): Magic mismatch, very weird! [ 64.624316][ T3433] EXT4-fs warning (device loop2): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 64.638712][ T3427] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 64.651267][ T3429] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 64.672077][ T3427] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/160/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 64.672923][ T3429] EXT4-fs (loop2): failed to initialize system zone (-117) [ 64.696193][ T3439] loop5: detected capacity change from 0 to 512 [ 64.703269][ T3429] EXT4-fs (loop2): mount failed [ 64.741267][ T352] EXT4-fs (loop0): unmounting filesystem. [ 64.747434][ T3447] loop2: detected capacity change from 0 to 512 [ 64.755460][ T3442] loop4: detected capacity change from 0 to 512 [ 64.757452][ T3449] loop3: detected capacity change from 0 to 512 [ 64.771187][ T3451] loop1: detected capacity change from 0 to 519 [ 64.785346][ T3442] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 64.811095][ T3457] loop5: detected capacity change from 0 to 512 [ 64.815400][ T3459] loop3: detected capacity change from 0 to 512 [ 64.826026][ T3465] EXT4-fs warning (device loop2): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 64.842847][ T3447] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 64.853014][ T3459] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 64.866765][ T3457] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 64.869536][ T3470] loop4: detected capacity change from 0 to 512 [ 64.887424][ T3447] EXT4-fs (loop2): failed to initialize system zone (-117) [ 64.900021][ T3477] loop0: detected capacity change from 0 to 512 [ 64.908780][ T3480] loop1: detected capacity change from 0 to 512 [ 64.921622][ T3447] EXT4-fs (loop2): mount failed [ 64.930530][ T3457] EXT4-fs (loop5): group descriptors corrupted! [ 64.937606][ T3480] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 64.963153][ T3492] loop0: detected capacity change from 0 to 512 [ 64.989354][ T3499] loop5: detected capacity change from 0 to 519 [ 64.995418][ T3507] loop3: detected capacity change from 0 to 517 [ 65.014957][ T3492] EXT4-fs (loop0): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? [ 65.018238][ T3510] loop2: detected capacity change from 0 to 512 [ 65.042738][ T3514] loop4: detected capacity change from 0 to 519 [ 65.066635][ T3528] loop1: detected capacity change from 0 to 512 [ 65.078584][ T3531] loop2: detected capacity change from 0 to 512 [ 65.080498][ T3526] loop5: detected capacity change from 0 to 512 [ 65.087162][ T3534] loop0: detected capacity change from 0 to 512 [ 65.129495][ T3546] loop1: detected capacity change from 0 to 512 [ 65.167878][ T3558] loop2: detected capacity change from 0 to 512 [ 65.181925][ T3562] loop5: detected capacity change from 0 to 512 [ 65.197907][ T3570] loop0: detected capacity change from 0 to 512 [ 65.233449][ T3580] loop2: detected capacity change from 0 to 512 [ 65.263692][ T3597] loop4: detected capacity change from 0 to 512 [ 65.272398][ T3602] loop0: detected capacity change from 0 to 512 [ 65.286656][ T3608] loop3: detected capacity change from 0 to 512 [ 65.311548][ T3597] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 65.347869][ T3624] loop2: detected capacity change from 0 to 512 [ 65.358559][ T3597] EXT4-fs (loop4): group descriptors corrupted! [ 65.373561][ T3608] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 65.384437][ T3608] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/173/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 65.416940][ T3630] loop0: detected capacity change from 0 to 518 [ 65.438670][ T353] EXT4-fs (loop3): unmounting filesystem. [ 65.480629][ T3650] loop5: detected capacity change from 0 to 512 [ 65.502180][ T3658] loop0: detected capacity change from 0 to 512 [ 65.510206][ T3662] loop1: detected capacity change from 0 to 512 [ 65.511115][ T3660] loop2: detected capacity change from 0 to 512 [ 65.534331][ T3662] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 65.557055][ T3668] loop4: detected capacity change from 0 to 512 [ 65.573633][ T3666] loop5: detected capacity change from 0 to 512 [ 65.610503][ T3680] loop1: detected capacity change from 0 to 512 [ 65.620904][ T3660] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/166/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 65.661363][ T3691] loop0: detected capacity change from 0 to 512 [ 65.708154][ T3699] loop4: detected capacity change from 0 to 512 [ 65.720165][ T3702] loop5: detected capacity change from 0 to 512 [ 65.720915][ T3705] loop0: detected capacity change from 0 to 512 [ 65.764763][ T3705] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 65.778187][ T3711] loop3: detected capacity change from 0 to 512 [ 65.810161][ T3716] loop1: detected capacity change from 0 to 512 [ 65.818069][ T3702] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 65.823732][ T3720] loop4: detected capacity change from 0 to 512 [ 65.879120][ T3728] loop2: detected capacity change from 0 to 512 [ 65.920872][ T3716] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/185/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 65.949488][ T3741] loop3: detected capacity change from 0 to 512 [ 65.998640][ T3749] loop0: detected capacity change from 0 to 512 [ 66.028521][ T3741] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 66.049511][ T3741] EXT4-fs (loop3): failed to initialize system zone (-117) [ 66.053201][ T3758] loop4: detected capacity change from 0 to 512 [ 66.056957][ T3741] EXT4-fs (loop3): mount failed [ 66.083939][ T3749] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.176090][ T3793] loop0: detected capacity change from 0 to 518 [ 66.191212][ T3788] loop1: detected capacity change from 0 to 512 [ 66.212865][ T3796] loop5: detected capacity change from 0 to 512 [ 66.220366][ T3804] loop2: detected capacity change from 0 to 512 [ 66.227668][ T3793] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.232612][ T3807] loop3: detected capacity change from 0 to 512 [ 66.246033][ T3788] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.277577][ T3798] loop4: detected capacity change from 0 to 512 [ 66.290455][ T3818] loop2: detected capacity change from 0 to 512 [ 66.313485][ T3822] loop1: detected capacity change from 0 to 512 [ 66.326380][ T3818] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 66.343674][ T3832] loop3: detected capacity change from 0 to 512 [ 66.355179][ T3826] loop0: detected capacity change from 0 to 518 [ 66.384222][ T3829] loop5: detected capacity change from 0 to 512 [ 66.434602][ T3829] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 66.442165][ T3853] loop3: detected capacity change from 0 to 517 [ 66.484405][ T3872] loop0: detected capacity change from 0 to 512 [ 66.506244][ T3882] loop1: detected capacity change from 0 to 512 [ 66.534708][ T3888] loop3: detected capacity change from 0 to 512 [ 66.547407][ T3891] loop4: detected capacity change from 0 to 512 [ 66.563942][ T3882] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.567837][ T3898] loop2: detected capacity change from 0 to 512 [ 66.624456][ T3872] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/182/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 66.644387][ T3910] loop1: detected capacity change from 0 to 512 [ 66.645376][ T3912] loop5: detected capacity change from 0 to 512 [ 66.669656][ T3918] loop2: detected capacity change from 0 to 512 [ 66.682614][ T3888] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/186/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 66.700260][ T3921] loop4: detected capacity change from 0 to 512 [ 66.759824][ T3930] loop1: detected capacity change from 0 to 512 [ 66.772936][ T3930] EXT4-fs (loop1): Magic mismatch, very weird! [ 66.804181][ T3948] loop2: detected capacity change from 0 to 519 [ 66.811862][ T3939] loop0: detected capacity change from 0 to 512 [ 66.831918][ T3948] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 66.857791][ T3957] loop4: detected capacity change from 0 to 512 [ 66.879522][ T3960] loop3: detected capacity change from 0 to 512 [ 66.953199][ T3970] loop5: detected capacity change from 0 to 512 [ 66.960819][ T3965] loop1: detected capacity change from 0 to 512 [ 66.990297][ T3988] loop4: detected capacity change from 0 to 512 [ 66.993253][ T3969] blk_print_req_error: 473 callbacks suppressed [ 66.993268][ T3969] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 67.026013][ T3980] loop2: detected capacity change from 0 to 512 [ 67.048000][ T3986] loop3: detected capacity change from 0 to 517 [ 67.053248][ T3988] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 67.062298][ T3988] EXT4-fs (loop4): failed to initialize system zone (-117) [ 67.068598][ T4000] loop5: detected capacity change from 0 to 512 [ 67.093907][ T3988] EXT4-fs (loop4): mount failed [ 67.105375][ T4000] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 67.128402][ T4000] EXT4-fs (loop5): group descriptors corrupted! [ 67.147214][ T3986] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/188/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.198039][ T4017] loop4: detected capacity change from 0 to 512 [ 67.213631][ T4015] loop5: detected capacity change from 0 to 512 [ 67.253441][ T4026] loop2: detected capacity change from 0 to 512 [ 67.265500][ T4022] loop0: detected capacity change from 0 to 512 [ 67.276652][ T4004] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 2 [ 67.292060][ T4004] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 67.305800][ T4031] loop5: detected capacity change from 0 to 512 [ 67.316391][ T4033] loop1: detected capacity change from 0 to 512 [ 67.320125][ T4004] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 67.334845][ T4030] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 67.347590][ T4030] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 67.366954][ T4046] loop0: detected capacity change from 0 to 512 [ 67.389929][ T4048] loop2: detected capacity change from 0 to 512 [ 67.404442][ T4045] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 67.447704][ T4060] loop1: detected capacity change from 0 to 512 [ 67.466886][ T4067] loop5: detected capacity change from 0 to 512 [ 67.467822][ T4065] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 67.558242][ T4099] loop1: detected capacity change from 0 to 512 [ 67.576228][ T4096] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 67.592094][ T4108] loop4: detected capacity change from 0 to 512 [ 67.642011][ T4138] loop2: detected capacity change from 0 to 512 [ 67.643635][ T4104] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 67.650437][ T4134] loop1: detected capacity change from 0 to 512 [ 67.691122][ T4145] loop3: detected capacity change from 0 to 512 [ 67.702057][ T4154] loop0: detected capacity change from 0 to 512 [ 67.724247][ T4163] loop1: detected capacity change from 0 to 512 [ 67.726386][ T4169] loop2: detected capacity change from 0 to 512 [ 67.735212][ T4160] loop4: detected capacity change from 0 to 512 [ 67.759646][ T4154] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 67.780636][ T4187] loop5: detected capacity change from 0 to 512 [ 67.817488][ T4198] loop0: detected capacity change from 0 to 512 [ 67.824218][ T4190] loop4: detected capacity change from 0 to 512 [ 67.834265][ T4197] loop1: detected capacity change from 0 to 512 [ 67.855653][ T4210] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 67.868089][ T4198] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 67.877583][ T4198] EXT4-fs (loop0): failed to initialize system zone (-117) [ 67.896326][ T4198] EXT4-fs (loop0): mount failed [ 67.903095][ T4222] loop4: detected capacity change from 0 to 512 [ 67.923231][ T4234] loop1: detected capacity change from 0 to 512 [ 67.926394][ T4238] loop3: detected capacity change from 0 to 512 [ 67.933458][ T4240] loop5: detected capacity change from 0 to 512 [ 67.941767][ T4230] buffer_io_error: 467 callbacks suppressed [ 67.941783][ T4230] Buffer I/O error on dev loop3, logical block 0, async page read [ 67.954798][ T4232] Buffer I/O error on dev loop5, logical block 0, async page read [ 67.967555][ T4232] Buffer I/O error on dev loop5, logical block 0, async page read [ 67.984065][ T4234] EXT4-fs (loop1): Magic mismatch, very weird! [ 67.996334][ T4253] loop0: detected capacity change from 0 to 512 [ 68.017415][ T4265] loop2: detected capacity change from 0 to 512 [ 68.023616][ T4262] loop3: detected capacity change from 0 to 512 [ 68.039410][ T4270] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 68.040259][ T4253] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 68.071077][ T4262] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 68.087919][ T4253] EXT4-fs (loop0): failed to initialize system zone (-117) [ 68.096205][ T4253] EXT4-fs (loop0): mount failed [ 68.114398][ T4293] loop1: detected capacity change from 0 to 512 [ 68.121219][ T4295] loop2: detected capacity change from 0 to 512 [ 68.140422][ T4305] loop0: detected capacity change from 0 to 512 [ 68.149384][ T4308] loop3: detected capacity change from 0 to 512 [ 68.175055][ T4318] loop1: detected capacity change from 0 to 512 [ 68.184317][ T4314] loop4: detected capacity change from 0 to 512 [ 68.201329][ T4326] loop2: detected capacity change from 0 to 512 [ 68.231211][ T4342] loop1: detected capacity change from 0 to 512 [ 68.234906][ T4326] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 68.241596][ T4346] loop5: detected capacity change from 0 to 512 [ 68.258259][ T4348] loop3: detected capacity change from 0 to 512 [ 68.261533][ T4351] loop0: detected capacity change from 0 to 512 [ 68.269588][ T4345] Buffer I/O error on dev loop3, logical block 0, async page read [ 68.280126][ T4345] Buffer I/O error on dev loop3, logical block 0, async page read [ 68.288823][ T4344] Buffer I/O error on dev loop5, logical block 0, async page read [ 68.304007][ T4342] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 68.352907][ T4370] loop0: detected capacity change from 0 to 512 [ 68.367365][ T4383] loop5: detected capacity change from 0 to 512 [ 68.379711][ T4380] loop4: detected capacity change from 0 to 512 [ 68.388602][ T4390] loop3: detected capacity change from 0 to 512 [ 68.396235][ T4367] Buffer I/O error on dev loop4, logical block 0, async page read [ 68.411905][ T4367] Buffer I/O error on dev loop4, logical block 0, async page read [ 68.419923][ T4367] Buffer I/O error on dev loop4, logical block 0, async page read [ 68.435424][ T4401] loop5: detected capacity change from 0 to 512 [ 68.472124][ T4418] loop3: detected capacity change from 0 to 512 [ 68.479547][ T4401] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/225/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 68.517562][ T4442] loop4: detected capacity change from 0 to 512 [ 68.528364][ T4439] loop2: detected capacity change from 0 to 512 [ 68.535193][ T4437] loop0: detected capacity change from 0 to 518 [ 68.538719][ T4449] loop1: detected capacity change from 0 to 512 [ 68.542390][ T4441] Buffer I/O error on dev loop4, logical block 0, async page read [ 68.564909][ T4418] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/214/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 68.620617][ T4466] loop2: detected capacity change from 0 to 512 [ 68.625091][ T4477] loop5: detected capacity change from 0 to 512 [ 68.638757][ T4474] loop4: detected capacity change from 0 to 512 [ 68.653723][ T4486] loop1: detected capacity change from 0 to 512 [ 68.665831][ T4480] loop0: detected capacity change from 0 to 512 [ 68.678297][ T4489] loop3: detected capacity change from 0 to 512 [ 68.686905][ T4495] loop4: detected capacity change from 0 to 512 [ 68.712643][ T4503] loop1: detected capacity change from 0 to 512 [ 68.712704][ T4504] loop4: detected capacity change from 0 to 512 [ 68.732042][ T4508] loop3: detected capacity change from 0 to 512 [ 68.782731][ T4534] loop1: detected capacity change from 0 to 512 [ 68.801544][ T4538] loop0: detected capacity change from 0 to 512 [ 68.810381][ T4540] loop3: detected capacity change from 0 to 512 [ 68.850952][ T4574] loop5: detected capacity change from 0 to 512 [ 68.859006][ T4555] loop4: detected capacity change from 0 to 512 [ 68.867360][ T4564] loop0: detected capacity change from 0 to 518 [ 68.867435][ T4576] loop1: detected capacity change from 0 to 512 [ 68.873734][ T4569] loop2: detected capacity change from 0 to 512 [ 68.897609][ T4582] loop3: detected capacity change from 0 to 517 [ 68.920443][ T4588] loop0: detected capacity change from 0 to 518 [ 68.951417][ T4592] loop5: detected capacity change from 0 to 512 [ 68.953477][ T4606] loop3: detected capacity change from 0 to 512 [ 68.961744][ T4601] loop0: detected capacity change from 0 to 512 [ 69.013897][ T4626] loop5: detected capacity change from 0 to 512 [ 69.040231][ T4637] loop2: detected capacity change from 0 to 512 [ 69.073506][ T4642] loop0: detected capacity change from 0 to 512 [ 69.093254][ T4660] loop5: detected capacity change from 0 to 512 [ 69.101993][ T4665] loop3: detected capacity change from 0 to 512 [ 69.110401][ T4672] loop2: detected capacity change from 0 to 512 [ 69.134870][ T4642] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/221/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 69.206205][ T4692] loop2: detected capacity change from 0 to 512 [ 69.229631][ T4698] loop5: detected capacity change from 0 to 512 [ 69.239759][ T4695] loop1: detected capacity change from 0 to 512 2025/08/02 05:51:45 executed programs: 1379 [ 69.382079][ T4712] loop2: detected capacity change from 0 to 512 [ 69.396121][ T4710] loop3: detected capacity change from 0 to 512 [ 69.412817][ T4695] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/235/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 69.420170][ T4723] loop5: detected capacity change from 0 to 512 [ 69.447571][ T4730] loop0: detected capacity change from 0 to 512 [ 69.510429][ T4736] loop4: detected capacity change from 0 to 512 [ 69.518253][ T4733] loop5: detected capacity change from 0 to 512 [ 69.534309][ T4736] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 69.563831][ T4745] loop2: detected capacity change from 0 to 512 [ 69.585558][ T4753] loop5: detected capacity change from 0 to 512 [ 69.586817][ T4751] loop3: detected capacity change from 0 to 512 [ 69.599457][ T4749] loop1: detected capacity change from 0 to 512 [ 69.632270][ T4753] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 69.685451][ T4779] loop3: detected capacity change from 0 to 512 [ 69.760497][ T4803] loop0: detected capacity change from 0 to 512 [ 69.763682][ T4811] loop2: detected capacity change from 0 to 512 [ 69.810445][ T4820] loop5: detected capacity change from 0 to 512 [ 69.855920][ T4835] loop3: detected capacity change from 0 to 512 [ 69.894257][ T4851] loop2: detected capacity change from 0 to 512 [ 69.907780][ T4856] loop5: detected capacity change from 0 to 512 [ 69.944878][ T4865] loop1: detected capacity change from 0 to 512 [ 69.957497][ T4872] loop2: detected capacity change from 0 to 512 [ 69.989614][ T4884] loop0: detected capacity change from 0 to 518 [ 69.999632][ T4889] loop5: detected capacity change from 0 to 512 [ 70.019225][ T4896] loop1: detected capacity change from 0 to 512 [ 70.048388][ T4899] loop3: detected capacity change from 0 to 512 [ 70.078472][ T4908] loop2: detected capacity change from 0 to 512 [ 70.096140][ T4914] loop0: detected capacity change from 0 to 512 [ 70.182432][ T4932] loop1: detected capacity change from 0 to 512 [ 70.210186][ T4943] loop4: detected capacity change from 0 to 512 [ 70.238813][ T4950] loop0: detected capacity change from 0 to 512 [ 70.259450][ T4956] loop3: detected capacity change from 0 to 512 [ 70.283557][ T4956] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 70.286372][ T4962] loop5: detected capacity change from 0 to 512 [ 70.291061][ T4950] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 70.296641][ T4932] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/246/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 70.400926][ T4943] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/238/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 70.415934][ T4962] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 70.433993][ T4962] EXT4-fs (loop5): group descriptors corrupted! [ 70.461978][ T4977] loop0: detected capacity change from 0 to 512 [ 70.485031][ T4980] loop2: detected capacity change from 0 to 512 [ 70.529993][ T4990] loop4: detected capacity change from 0 to 519 [ 70.532417][ T4977] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 70.667933][ T5022] loop2: detected capacity change from 0 to 512 [ 70.676479][ T5025] loop1: detected capacity change from 0 to 512 [ 70.704081][ T5025] EXT4-fs (loop1): Magic mismatch, very weird! [ 70.712641][ T5034] loop5: detected capacity change from 0 to 512 [ 70.758299][ T5022] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/244/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 70.808505][ T5043] loop4: detected capacity change from 0 to 512 [ 70.855647][ T5070] loop0: detected capacity change from 0 to 512 [ 70.862331][ T5068] loop3: detected capacity change from 0 to 512 [ 70.877422][ T5074] loop5: detected capacity change from 0 to 512 [ 70.932926][ T5088] loop4: detected capacity change from 0 to 512 [ 70.959490][ T5092] loop2: detected capacity change from 0 to 519 [ 70.976301][ T5098] loop5: detected capacity change from 0 to 512 [ 71.029369][ T5107] loop3: detected capacity change from 0 to 512 [ 71.085746][ T5121] loop1: detected capacity change from 0 to 519 [ 71.087520][ T5126] loop0: detected capacity change from 0 to 512 [ 71.104760][ T5098] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/260/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 71.159934][ T5130] loop4: detected capacity change from 0 to 512 [ 71.161115][ T5126] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 71.185647][ T5138] loop1: detected capacity change from 0 to 512 [ 71.203158][ T5130] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 71.245504][ T5144] loop2: detected capacity change from 0 to 512 [ 71.253540][ T5144] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 71.265907][ T5141] loop3: detected capacity change from 0 to 512 [ 71.290637][ T5144] EXT4-fs (loop2): group descriptors corrupted! [ 71.318525][ T5160] loop5: detected capacity change from 0 to 512 [ 71.330800][ T5157] loop1: detected capacity change from 0 to 512 [ 71.336288][ T5165] loop3: detected capacity change from 0 to 512 [ 71.397853][ T5183] loop1: detected capacity change from 0 to 519 [ 71.403325][ T5180] loop4: detected capacity change from 0 to 512 [ 71.449971][ T5194] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 71.482060][ T5180] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 71.495047][ T5207] loop5: detected capacity change from 0 to 512 [ 71.510071][ T5210] loop3: detected capacity change from 0 to 512 [ 71.513923][ T5180] EXT4-fs (loop4): failed to initialize system zone (-117) [ 71.521170][ T5212] loop2: detected capacity change from 0 to 512 [ 71.531490][ T5180] EXT4-fs (loop4): mount failed [ 71.533533][ T5212] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 71.545897][ T5216] loop1: detected capacity change from 0 to 512 [ 71.563554][ T5209] EXT4-fs warning (device loop5): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 71.567480][ T5219] loop0: detected capacity change from 0 to 518 [ 71.594510][ T5207] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 71.649011][ T5207] EXT4-fs (loop5): failed to initialize system zone (-117) [ 71.656811][ T5207] EXT4-fs (loop5): mount failed [ 71.702457][ T5247] loop0: detected capacity change from 0 to 512 [ 71.719405][ T5254] loop5: detected capacity change from 0 to 512 [ 71.743662][ T5263] loop1: detected capacity change from 0 to 512 [ 71.787231][ T5279] loop3: detected capacity change from 0 to 512 [ 71.793258][ T5276] loop2: detected capacity change from 0 to 512 [ 71.855003][ T5297] loop3: detected capacity change from 0 to 512 [ 71.921074][ T5316] loop5: detected capacity change from 0 to 512 [ 71.937812][ T5322] loop4: detected capacity change from 0 to 512 [ 71.950377][ T5334] loop0: detected capacity change from 0 to 512 [ 71.975791][ T5337] loop3: detected capacity change from 0 to 512 [ 72.002821][ T5333] blk_print_req_error: 837 callbacks suppressed [ 72.002840][ T5333] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 72.023750][ T5333] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 72.074017][ T5333] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 72.122118][ T5371] loop3: detected capacity change from 0 to 512 [ 72.152887][ T5394] loop2: detected capacity change from 0 to 512 [ 72.180564][ T5400] loop3: detected capacity change from 0 to 512 [ 72.185552][ T5397] loop4: detected capacity change from 0 to 512 [ 72.215121][ T5386] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 72.226558][ T5386] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 72.273969][ T5400] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 72.320095][ T5428] loop4: detected capacity change from 0 to 512 [ 72.348954][ T5427] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 72.352566][ T5441] loop0: detected capacity change from 0 to 512 [ 72.370026][ T5434] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 72.417578][ T5452] loop5: detected capacity change from 0 to 512 [ 72.427677][ T5448] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 72.437664][ T5448] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 72.456393][ T5469] loop3: detected capacity change from 0 to 512 [ 72.505488][ T5448] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 72.509835][ T5481] loop0: detected capacity change from 0 to 512 [ 72.516960][ T5484] loop2: detected capacity change from 0 to 512 [ 72.528784][ T5477] loop1: detected capacity change from 0 to 512 [ 72.560328][ T5488] loop4: detected capacity change from 0 to 512 [ 72.660989][ T5499] loop4: detected capacity change from 0 to 512 [ 72.675070][ T5516] loop5: detected capacity change from 0 to 512 [ 72.681564][ T5484] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/269/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 72.701396][ T5519] loop0: detected capacity change from 0 to 512 [ 72.720346][ T5519] EXT4-fs (loop0): Magic mismatch, very weird! [ 72.723371][ T5516] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 72.770956][ T5531] loop0: detected capacity change from 0 to 512 [ 72.788881][ T5530] loop4: detected capacity change from 0 to 512 [ 72.822954][ T5549] loop2: detected capacity change from 0 to 512 [ 72.827171][ T5556] loop0: detected capacity change from 0 to 512 [ 72.837710][ T5561] loop1: detected capacity change from 0 to 512 [ 72.909512][ T5571] loop5: detected capacity change from 0 to 512 [ 72.909521][ T5578] loop4: detected capacity change from 0 to 512 [ 72.959381][ T5597] loop2: detected capacity change from 0 to 512 [ 72.961397][ T5596] loop4: detected capacity change from 0 to 519 [ 72.999401][ T5610] loop3: detected capacity change from 0 to 512 [ 73.007858][ T5603] loop5: detected capacity change from 0 to 512 [ 73.015060][ T5616] loop0: detected capacity change from 0 to 512 [ 73.026661][ T5597] EXT4-fs (loop2): failed to initialize system zone (-117) [ 73.035710][ T5597] EXT4-fs (loop2): mount failed [ 73.043081][ T5618] loop4: detected capacity change from 0 to 512 [ 73.064865][ T5610] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 73.069936][ T5614] buffer_io_error: 814 callbacks suppressed [ 73.069955][ T5614] Buffer I/O error on dev loop4, logical block 0, async page read [ 73.085787][ T5621] loop1: detected capacity change from 0 to 512 [ 73.156186][ T5639] loop3: detected capacity change from 0 to 512 [ 73.177010][ T5645] loop4: detected capacity change from 0 to 512 [ 73.226601][ T5645] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 73.268489][ T5672] loop3: detected capacity change from 0 to 512 [ 73.269057][ T5676] loop5: detected capacity change from 0 to 512 [ 73.341884][ T5672] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 73.350534][ T5675] Buffer I/O error on dev loop5, logical block 0, async page read [ 73.393972][ T5675] Buffer I/O error on dev loop5, logical block 0, async page read [ 73.403151][ T5706] loop4: detected capacity change from 0 to 512 [ 73.419374][ T5718] loop3: detected capacity change from 0 to 512 [ 73.419451][ T5675] Buffer I/O error on dev loop5, logical block 0, async page read [ 73.439868][ T5675] Buffer I/O error on dev loop5, logical block 0, async page read [ 73.455284][ T5706] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/276/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 73.487715][ T5730] loop0: detected capacity change from 0 to 512 [ 73.512564][ T5723] Buffer I/O error on dev loop0, logical block 0, async page read [ 73.513847][ T5718] EXT4-fs (loop3): Magic mismatch, very weird! [ 73.522038][ T5723] Buffer I/O error on dev loop0, logical block 0, async page read [ 73.535575][ T5723] Buffer I/O error on dev loop0, logical block 0, async page read [ 73.537755][ T5739] loop1: detected capacity change from 0 to 512 [ 73.544125][ T5723] Buffer I/O error on dev loop0, logical block 0, async page read [ 73.598991][ T5749] loop4: detected capacity change from 0 to 512 [ 73.627421][ T5752] loop3: detected capacity change from 0 to 512 [ 73.638431][ T5756] loop2: detected capacity change from 0 to 512 [ 73.659571][ T5739] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/294/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 73.687404][ T5761] loop5: detected capacity change from 0 to 512 [ 73.706620][ T5763] loop4: detected capacity change from 0 to 512 [ 73.775242][ T5774] loop5: detected capacity change from 0 to 512 [ 73.807655][ T5785] loop3: detected capacity change from 0 to 512 [ 73.820245][ T5786] loop2: detected capacity change from 0 to 512 [ 73.830213][ T5793] loop4: detected capacity change from 0 to 512 [ 73.848860][ T5780] Buffer I/O error on dev loop2, logical block 0, async page read [ 73.905520][ T5808] loop1: detected capacity change from 0 to 512 [ 73.932154][ T5820] loop4: detected capacity change from 0 to 512 [ 73.949145][ T5825] loop0: detected capacity change from 0 to 512 [ 73.950743][ T5830] loop2: detected capacity change from 0 to 512 [ 74.013266][ T5847] loop0: detected capacity change from 0 to 512 [ 74.031714][ T5855] loop1: detected capacity change from 0 to 512 [ 74.051242][ T5862] loop5: detected capacity change from 0 to 512 [ 74.065889][ T5869] loop4: detected capacity change from 0 to 512 [ 74.105894][ T5880] loop1: detected capacity change from 0 to 512 [ 74.107570][ T5888] loop2: detected capacity change from 0 to 512 [ 74.143656][ T5903] loop3: detected capacity change from 0 to 512 [ 74.157925][ T5898] loop4: detected capacity change from 0 to 512 [ 74.164799][ T5905] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 74.166625][ T5888] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/289/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 74.199951][ T5880] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 74.201726][ T5912] loop5: detected capacity change from 0 to 512 [ 74.259078][ T5880] EXT4-fs (loop1): failed to initialize system zone (-117) [ 74.277435][ T5918] loop0: detected capacity change from 0 to 512 [ 74.323945][ T5880] EXT4-fs (loop1): mount failed 2025/08/02 05:51:50 executed programs: 1772 [ 74.397682][ T5927] loop5: detected capacity change from 0 to 512 [ 74.401948][ T5933] loop3: detected capacity change from 0 to 512 [ 74.485258][ T5958] loop1: detected capacity change from 0 to 512 [ 74.491692][ T5953] loop4: detected capacity change from 0 to 512 [ 74.498593][ T5954] loop2: detected capacity change from 0 to 512 [ 74.516095][ T5970] loop3: detected capacity change from 0 to 512 [ 74.538904][ T5973] loop5: detected capacity change from 0 to 512 [ 74.555735][ T5970] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 74.586766][ T5998] loop0: detected capacity change from 0 to 512 [ 74.599285][ T6004] loop2: detected capacity change from 0 to 512 [ 74.615732][ T6008] loop4: detected capacity change from 0 to 512 [ 74.628669][ T6014] loop5: detected capacity change from 0 to 519 [ 74.630528][ T6017] loop3: detected capacity change from 0 to 512 [ 74.650712][ T6008] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 74.691329][ T6038] loop5: detected capacity change from 0 to 519 [ 74.695051][ T6037] loop0: detected capacity change from 0 to 512 [ 74.700077][ T6042] loop3: detected capacity change from 0 to 512 [ 74.731054][ T6047] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 74.754978][ T6042] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 74.765378][ T6044] loop1: detected capacity change from 0 to 512 [ 74.788863][ T6042] EXT4-fs (loop3): failed to initialize system zone (-117) [ 74.794570][ T6071] loop5: detected capacity change from 0 to 519 [ 74.810745][ T6073] loop1: detected capacity change from 0 to 519 [ 74.821136][ T6042] EXT4-fs (loop3): mount failed [ 74.857973][ T6082] loop0: detected capacity change from 0 to 512 [ 74.896478][ T6107] loop4: detected capacity change from 0 to 512 [ 74.905363][ T6103] loop1: detected capacity change from 0 to 512 [ 74.913077][ T6082] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 74.913545][ T6112] loop2: detected capacity change from 0 to 512 [ 74.967064][ T6122] loop3: detected capacity change from 0 to 512 [ 74.981443][ T6128] loop5: detected capacity change from 0 to 512 [ 75.021818][ T6149] loop4: detected capacity change from 0 to 519 [ 75.042082][ T6155] loop3: detected capacity change from 0 to 512 [ 75.054382][ T6158] loop1: detected capacity change from 0 to 512 [ 75.065706][ T6163] loop5: detected capacity change from 0 to 512 [ 75.079006][ T6166] loop0: detected capacity change from 0 to 512 [ 75.088627][ T6158] EXT4-fs (loop1): Magic mismatch, very weird! [ 75.096902][ T6163] EXT4-fs (loop5): Magic mismatch, very weird! [ 75.131056][ T6187] loop3: detected capacity change from 0 to 512 [ 75.145572][ T6185] loop0: detected capacity change from 0 to 512 [ 75.176588][ T6196] loop2: detected capacity change from 0 to 512 [ 75.179684][ T6200] loop3: detected capacity change from 0 to 512 [ 75.186546][ T6192] loop4: detected capacity change from 0 to 512 [ 75.194682][ T6205] loop0: detected capacity change from 0 to 512 [ 75.212615][ T6208] loop1: detected capacity change from 0 to 512 [ 75.244111][ T6214] loop0: detected capacity change from 0 to 512 [ 75.257530][ T6219] loop4: detected capacity change from 0 to 512 [ 75.267538][ T6220] loop2: detected capacity change from 0 to 519 [ 75.288657][ T6227] loop3: detected capacity change from 0 to 512 [ 75.302522][ T6235] loop1: detected capacity change from 0 to 512 [ 75.339107][ T6244] loop5: detected capacity change from 0 to 512 [ 75.351562][ T6251] loop4: detected capacity change from 0 to 512 [ 75.364377][ T6254] loop2: detected capacity change from 0 to 512 [ 75.372848][ T6261] loop1: detected capacity change from 0 to 512 [ 75.397640][ T6269] loop3: detected capacity change from 0 to 512 [ 75.405935][ T6270] loop4: detected capacity change from 0 to 512 [ 75.414695][ T6261] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 75.432558][ T6280] loop2: detected capacity change from 0 to 512 [ 75.447156][ T6285] loop5: detected capacity change from 0 to 512 [ 75.459239][ T6289] loop3: detected capacity change from 0 to 512 [ 75.496343][ T6298] loop0: detected capacity change from 0 to 512 [ 75.534430][ T6298] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 75.538578][ T6328] loop3: detected capacity change from 0 to 512 [ 75.550889][ T6323] loop2: detected capacity change from 0 to 512 [ 75.557292][ T6305] loop4: detected capacity change from 0 to 512 [ 75.595717][ T6335] loop1: detected capacity change from 0 to 512 [ 75.627470][ T6341] loop3: detected capacity change from 0 to 512 [ 75.637547][ T6361] loop0: detected capacity change from 0 to 512 [ 75.648599][ T6350] loop5: detected capacity change from 0 to 512 [ 75.681295][ T6373] loop4: detected capacity change from 0 to 519 [ 75.692551][ T6379] loop1: detected capacity change from 0 to 512 [ 75.694229][ T6361] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 75.707167][ T6382] loop3: detected capacity change from 0 to 512 [ 75.719818][ T6377] loop5: detected capacity change from 0 to 512 [ 75.750288][ T6377] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/329/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 75.769639][ T6396] loop1: detected capacity change from 0 to 512 [ 75.780621][ T6398] loop2: detected capacity change from 0 to 512 [ 75.797659][ T6398] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 75.815738][ T6412] loop4: detected capacity change from 0 to 512 [ 75.836517][ T6415] loop3: detected capacity change from 0 to 512 [ 75.843662][ T6396] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 75.871585][ T6419] loop0: detected capacity change from 0 to 512 [ 75.873872][ T6396] EXT4-fs (loop1): group descriptors corrupted! [ 75.885353][ T6415] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 75.900750][ T6424] loop4: detected capacity change from 0 to 512 [ 75.928630][ T6430] loop0: detected capacity change from 0 to 512 [ 75.935693][ T6436] loop1: detected capacity change from 0 to 512 [ 75.946729][ T6442] loop5: detected capacity change from 0 to 512 [ 75.966387][ T6448] loop4: detected capacity change from 0 to 512 [ 76.000102][ T6457] loop0: detected capacity change from 0 to 512 [ 76.010011][ T6461] loop1: detected capacity change from 0 to 512 [ 76.015820][ T6465] loop3: detected capacity change from 0 to 512 [ 76.033575][ T6475] loop2: detected capacity change from 0 to 512 [ 76.064170][ T6481] loop1: detected capacity change from 0 to 512 [ 76.069812][ T6485] loop5: detected capacity change from 0 to 512 [ 76.095610][ T6481] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 76.102018][ T6493] loop3: detected capacity change from 0 to 512 [ 76.118509][ T6505] loop2: detected capacity change from 0 to 512 [ 76.158588][ T6508] loop0: detected capacity change from 0 to 512 [ 76.176933][ T6514] loop1: detected capacity change from 0 to 512 [ 76.178232][ T6519] loop4: detected capacity change from 0 to 512 [ 76.193898][ T6526] loop3: detected capacity change from 0 to 512 [ 76.206867][ T6533] loop2: detected capacity change from 0 to 512 [ 76.235984][ T6544] loop5: detected capacity change from 0 to 512 [ 76.236974][ T6541] loop1: detected capacity change from 0 to 512 [ 76.254443][ T6544] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 76.264666][ T6547] loop3: detected capacity change from 0 to 512 [ 76.284010][ T6541] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 76.291969][ T6541] EXT4-fs (loop1): failed to initialize system zone (-117) [ 76.301054][ T6555] loop0: detected capacity change from 0 to 512 [ 76.308143][ T6561] loop4: detected capacity change from 0 to 512 [ 76.312417][ T6559] loop2: detected capacity change from 0 to 512 [ 76.319649][ T6564] loop5: detected capacity change from 0 to 519 [ 76.323933][ T6541] EXT4-fs (loop1): mount failed [ 76.331406][ T6559] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 76.386902][ T6581] loop3: detected capacity change from 0 to 512 [ 76.401979][ T6585] loop1: detected capacity change from 0 to 512 [ 76.412142][ T6590] loop2: detected capacity change from 0 to 512 [ 76.433982][ T6585] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 76.460777][ T6612] loop2: detected capacity change from 0 to 512 [ 76.477737][ T6622] loop0: detected capacity change from 0 to 512 [ 76.497820][ T6632] loop4: detected capacity change from 0 to 512 [ 76.512587][ T6631] loop1: detected capacity change from 0 to 512 [ 76.513876][ T6635] loop3: detected capacity change from 0 to 512 [ 76.539205][ T6642] loop2: detected capacity change from 0 to 512 [ 76.540135][ T6648] loop5: detected capacity change from 0 to 512 [ 76.545993][ T6631] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 76.580700][ T6657] loop4: detected capacity change from 0 to 512 [ 76.601452][ T6660] loop3: detected capacity change from 0 to 512 [ 76.616777][ T6663] loop2: detected capacity change from 0 to 519 [ 76.636136][ T6663] EXT4-fs (loop2): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? [ 76.662586][ T6672] loop4: detected capacity change from 0 to 512 [ 76.680103][ T6684] loop3: detected capacity change from 0 to 512 [ 76.692987][ T6681] loop1: detected capacity change from 0 to 512 [ 76.769947][ T6725] loop3: detected capacity change from 0 to 512 [ 76.810352][ T6736] loop5: detected capacity change from 0 to 519 [ 76.811095][ T6750] loop1: detected capacity change from 0 to 512 [ 76.821681][ T6745] loop0: detected capacity change from 0 to 512 [ 76.838927][ T6725] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/333/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 76.857054][ T6758] loop2: detected capacity change from 0 to 512 [ 76.864171][ T6745] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 76.865676][ T6755] loop4: detected capacity change from 0 to 519 [ 76.919921][ T6761] loop5: detected capacity change from 0 to 512 [ 76.948303][ T6782] loop0: detected capacity change from 0 to 512 [ 76.951263][ T6773] loop4: detected capacity change from 0 to 512 [ 76.956783][ T6779] loop1: detected capacity change from 0 to 512 [ 76.981528][ T6788] loop3: detected capacity change from 0 to 512 [ 76.993806][ T6782] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 77.006557][ T6787] blk_print_req_error: 1051 callbacks suppressed [ 77.006576][ T6787] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 77.049346][ T6804] loop4: detected capacity change from 0 to 512 [ 77.064041][ T6803] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 77.074821][ T6812] loop0: detected capacity change from 0 to 512 [ 77.087550][ T6815] loop1: detected capacity change from 0 to 519 [ 77.138159][ T6812] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/347/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 77.141231][ T6841] loop2: detected capacity change from 0 to 519 [ 77.185375][ T6855] loop1: detected capacity change from 0 to 512 [ 77.187142][ T6857] loop5: detected capacity change from 0 to 512 [ 77.194110][ T6851] loop4: detected capacity change from 0 to 512 [ 77.220283][ T6853] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 77.239637][ T6841] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 77.251766][ T6871] loop0: detected capacity change from 0 to 518 [ 77.262308][ T6855] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 77.287712][ T6874] loop3: detected capacity change from 0 to 512 [ 77.290245][ T6881] loop2: detected capacity change from 0 to 512 [ 77.306017][ T6884] loop4: detected capacity change from 0 to 512 [ 77.330071][ T6877] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 77.347702][ T6895] loop1: detected capacity change from 0 to 519 [ 77.407512][ T6927] loop2: detected capacity change from 0 to 512 [ 77.420602][ T6937] loop5: detected capacity change from 0 to 512 [ 77.435438][ T6941] loop3: detected capacity change from 0 to 512 [ 77.442336][ T6939] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 77.455960][ T6936] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 77.465988][ T6939] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 77.475518][ T6927] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 77.485900][ T6936] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 77.490409][ T6952] loop4: detected capacity change from 0 to 512 [ 77.509297][ T6958] loop0: detected capacity change from 0 to 512 [ 77.511996][ T6951] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 77.552166][ T6962] loop1: detected capacity change from 0 to 512 [ 77.575699][ T6975] loop4: detected capacity change from 0 to 512 [ 77.589232][ T6975] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 77.601715][ T6988] loop2: detected capacity change from 0 to 512 [ 77.619867][ T6998] loop1: detected capacity change from 0 to 512 [ 77.625250][ T6987] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 2 [ 77.664165][ T7004] loop0: detected capacity change from 0 to 512 [ 77.677808][ T7016] loop5: detected capacity change from 0 to 512 [ 77.682838][ T7021] loop1: detected capacity change from 0 to 512 [ 77.713601][ T7024] loop3: detected capacity change from 0 to 512 [ 77.724545][ T7036] loop0: detected capacity change from 0 to 512 [ 77.743111][ T7045] loop5: detected capacity change from 0 to 512 [ 77.749419][ T7042] loop2: detected capacity change from 0 to 519 [ 77.757584][ T7033] loop4: detected capacity change from 0 to 512 [ 77.785454][ T7036] EXT4-fs (loop0): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? [ 77.787564][ T7054] loop4: detected capacity change from 0 to 512 [ 77.805240][ T7057] loop1: detected capacity change from 0 to 512 [ 77.826776][ T7054] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 77.852522][ T7073] loop5: detected capacity change from 0 to 512 [ 77.860724][ T7042] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/355/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 77.877696][ T7075] loop0: detected capacity change from 0 to 518 [ 77.893968][ T7073] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 77.934434][ T7089] loop5: detected capacity change from 0 to 512 [ 77.945962][ T7081] loop3: detected capacity change from 0 to 512 [ 77.953273][ T7090] loop0: detected capacity change from 0 to 512 [ 77.971195][ T7102] loop4: detected capacity change from 0 to 512 [ 77.986429][ T7100] loop2: detected capacity change from 0 to 512 [ 78.009914][ T7117] loop3: detected capacity change from 0 to 512 [ 78.039667][ T7125] loop5: detected capacity change from 0 to 512 [ 78.040770][ T7123] loop4: detected capacity change from 0 to 512 [ 78.078478][ T7136] loop3: detected capacity change from 0 to 512 [ 78.096888][ T7154] loop1: detected capacity change from 0 to 512 [ 78.121665][ T7162] loop0: detected capacity change from 0 to 512 [ 78.124511][ T7159] loop4: detected capacity change from 0 to 512 [ 78.130254][ T7165] loop5: detected capacity change from 0 to 512 [ 78.135305][ T7153] buffer_io_error: 1018 callbacks suppressed [ 78.135319][ T7153] Buffer I/O error on dev loop1, logical block 0, async page read [ 78.157903][ T7161] Buffer I/O error on dev loop0, logical block 0, async page read [ 78.169580][ T7168] loop2: detected capacity change from 0 to 512 [ 78.179998][ T7165] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 78.184483][ T7159] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 78.212273][ T7165] EXT4-fs (loop5): group descriptors corrupted! [ 78.212873][ T7181] loop0: detected capacity change from 0 to 518 [ 78.232721][ T7183] loop3: detected capacity change from 0 to 512 [ 78.241111][ T7180] Buffer I/O error on dev loop3, logical block 0, async page read [ 78.247117][ T7179] Buffer I/O error on dev loop0, logical block 0, async page read [ 78.253908][ T7186] loop2: detected capacity change from 0 to 512 [ 78.269658][ T7189] loop1: detected capacity change from 0 to 519 [ 78.277961][ T7191] EXT4-fs warning (device loop2): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 78.290318][ T7186] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 78.299104][ T7188] Buffer I/O error on dev loop1, logical block 0, async page read [ 78.312309][ T7188] Buffer I/O error on dev loop1, logical block 0, async page read [ 78.327752][ T7186] EXT4-fs (loop2): failed to initialize system zone (-117) [ 78.338671][ T7200] loop4: detected capacity change from 0 to 512 [ 78.343968][ T7186] EXT4-fs (loop2): mount failed [ 78.360799][ T7207] loop3: detected capacity change from 0 to 512 [ 78.372289][ T7212] loop2: detected capacity change from 0 to 512 [ 78.375484][ T7206] Buffer I/O error on dev loop3, logical block 0, async page read [ 78.400295][ T7222] loop5: detected capacity change from 0 to 512 [ 78.416583][ T7230] loop4: detected capacity change from 0 to 512 [ 78.418165][ T7218] Buffer I/O error on dev loop5, logical block 0, async page read [ 78.426141][ T7229] Buffer I/O error on dev loop4, logical block 0, async page read [ 78.438725][ T7229] Buffer I/O error on dev loop4, logical block 0, async page read [ 78.438754][ T7227] loop1: detected capacity change from 0 to 512 [ 78.462947][ T7237] loop3: detected capacity change from 0 to 512 [ 78.479173][ T7241] loop5: detected capacity change from 0 to 512 [ 78.497231][ T7212] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/363/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 78.525992][ T7253] loop4: detected capacity change from 0 to 512 [ 78.568355][ T7272] loop1: detected capacity change from 0 to 512 [ 78.574295][ T7276] loop0: detected capacity change from 0 to 512 [ 78.592156][ T7280] loop5: detected capacity change from 0 to 512 [ 78.605404][ T7276] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 78.616543][ T7253] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/353/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 78.635049][ T7289] loop2: detected capacity change from 0 to 512 [ 78.659316][ T7295] loop3: detected capacity change from 0 to 512 [ 78.669425][ T7297] loop1: detected capacity change from 0 to 512 [ 78.684635][ T7294] loop5: detected capacity change from 0 to 512 [ 78.699347][ T7305] loop4: detected capacity change from 0 to 512 [ 78.712705][ T7316] loop1: detected capacity change from 0 to 512 [ 78.726217][ T7294] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 78.736010][ T7320] loop3: detected capacity change from 0 to 512 [ 78.747909][ T7325] loop2: detected capacity change from 0 to 512 [ 78.756857][ T7323] loop0: detected capacity change from 0 to 512 [ 78.756926][ T7320] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 78.772368][ T7294] EXT4-fs (loop5): group descriptors corrupted! [ 78.786264][ T7332] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 78.801557][ T7323] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 78.814389][ T7323] EXT4-fs (loop0): failed to initialize system zone (-117) [ 78.822550][ T7323] EXT4-fs (loop0): mount failed [ 78.833212][ T7342] loop4: detected capacity change from 0 to 512 [ 78.835906][ T7340] loop1: detected capacity change from 0 to 512 [ 78.857391][ T7354] loop0: detected capacity change from 0 to 512 [ 78.863944][ T7342] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 78.889151][ T7358] loop2: detected capacity change from 0 to 512 [ 78.917570][ T7375] loop4: detected capacity change from 0 to 512 [ 78.940651][ T7383] loop1: detected capacity change from 0 to 512 [ 78.951005][ T7394] loop3: detected capacity change from 0 to 512 [ 78.968180][ T7397] loop2: detected capacity change from 0 to 512 [ 78.991632][ T7408] loop0: detected capacity change from 0 to 512 [ 79.012799][ T7421] loop3: detected capacity change from 0 to 512 [ 79.021821][ T7419] loop5: detected capacity change from 0 to 512 [ 79.074503][ T7440] loop0: detected capacity change from 0 to 518 [ 79.085303][ T7452] loop5: detected capacity change from 0 to 512 [ 79.111770][ T7464] loop1: detected capacity change from 0 to 512 [ 79.120990][ T7461] loop2: detected capacity change from 0 to 512 [ 79.129795][ T7452] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 79.158102][ T7464] EXT4-fs (loop1): Magic mismatch, very weird! [ 79.161649][ T7476] loop0: detected capacity change from 0 to 512 [ 79.176622][ T7481] loop2: detected capacity change from 0 to 512 [ 79.194429][ T7486] loop3: detected capacity change from 0 to 512 [ 79.205986][ T7484] loop4: detected capacity change from 0 to 512 [ 79.236520][ T7498] loop0: detected capacity change from 0 to 518 [ 79.256579][ T7511] loop4: detected capacity change from 0 to 512 [ 79.265083][ T7486] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/377/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 79.290986][ T7516] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 79.291005][ T7498] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 79.310207][ T7519] loop2: detected capacity change from 0 to 512 [ 79.310858][ T7498] EXT4-fs (loop0): failed to initialize system zone (-117) [ 79.323978][ T7520] loop1: detected capacity change from 0 to 519 [ 79.325045][ T7498] EXT4-fs (loop0): mount failed [ 79.343550][ T7528] loop4: detected capacity change from 0 to 512 [ 79.371991][ T7537] loop5: detected capacity change from 0 to 512 2025/08/02 05:51:55 executed programs: 2301 [ 79.391336][ T7542] loop0: detected capacity change from 0 to 512 [ 79.405802][ T7552] loop1: detected capacity change from 0 to 512 [ 79.422452][ T7555] loop3: detected capacity change from 0 to 517 [ 79.425516][ T7558] loop2: detected capacity change from 0 to 512 [ 79.437889][ T7552] EXT4-fs (loop1): Magic mismatch, very weird! [ 79.444668][ T7528] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 79.461974][ T7542] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 79.500818][ T7579] loop3: detected capacity change from 0 to 512 [ 79.508970][ T7581] loop4: detected capacity change from 0 to 512 [ 79.528505][ T7594] loop0: detected capacity change from 0 to 518 [ 79.535720][ T7589] loop1: detected capacity change from 0 to 512 [ 79.544144][ T7581] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 79.560014][ T7597] loop5: detected capacity change from 0 to 512 [ 79.608647][ T7605] loop3: detected capacity change from 0 to 512 [ 79.616160][ T7612] loop0: detected capacity change from 0 to 512 [ 79.632505][ T7630] loop4: detected capacity change from 0 to 512 [ 79.642189][ T7636] loop1: detected capacity change from 0 to 512 [ 79.678080][ T7645] loop5: detected capacity change from 0 to 512 [ 79.716775][ T7672] loop1: detected capacity change from 0 to 512 [ 79.719217][ T7660] loop0: detected capacity change from 0 to 512 [ 79.726603][ T7675] loop2: detected capacity change from 0 to 512 [ 79.736850][ T7670] loop3: detected capacity change from 0 to 512 [ 79.746433][ T7672] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 79.756655][ T7670] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 79.765507][ T7672] EXT4-fs (loop1): group descriptors corrupted! [ 79.787202][ T7687] loop4: detected capacity change from 0 to 512 [ 79.802684][ T7694] loop3: detected capacity change from 0 to 512 [ 79.807820][ T7699] loop0: detected capacity change from 0 to 512 [ 79.823571][ T7705] loop5: detected capacity change from 0 to 512 [ 79.841874][ T7711] loop2: detected capacity change from 0 to 512 [ 79.843656][ T7708] loop1: detected capacity change from 0 to 519 [ 79.883052][ T7720] loop5: detected capacity change from 0 to 512 [ 79.904058][ T7729] loop3: detected capacity change from 0 to 512 [ 79.915915][ T7727] loop0: detected capacity change from 0 to 518 [ 79.941114][ T7744] loop1: detected capacity change from 0 to 512 [ 79.975388][ T7754] loop4: detected capacity change from 0 to 512 [ 79.995302][ T7759] loop2: detected capacity change from 0 to 512 [ 80.003670][ T7762] loop1: detected capacity change from 0 to 512 [ 80.016542][ T7774] loop3: detected capacity change from 0 to 512 [ 80.044775][ T7786] loop3: detected capacity change from 0 to 517 [ 80.059670][ T7792] loop4: detected capacity change from 0 to 512 [ 80.076722][ T7794] loop5: detected capacity change from 0 to 512 [ 80.094758][ T7762] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/397/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 80.131177][ T7808] loop2: detected capacity change from 0 to 512 [ 80.138336][ T7816] loop3: detected capacity change from 0 to 512 [ 80.172895][ T7822] loop5: detected capacity change from 0 to 512 [ 80.175191][ T7825] loop4: detected capacity change from 0 to 512 [ 80.181271][ T7819] loop0: detected capacity change from 0 to 512 [ 80.189164][ T7828] loop1: detected capacity change from 0 to 512 [ 80.201864][ T7822] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 80.215333][ T7819] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 80.263121][ T7836] loop3: detected capacity change from 0 to 512 [ 80.272237][ T7808] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/399/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 80.308833][ T7843] loop5: detected capacity change from 0 to 512 [ 80.328609][ T7848] loop4: detected capacity change from 0 to 512 [ 80.329260][ T7841] loop1: detected capacity change from 0 to 512 [ 80.369442][ T7848] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 80.369768][ T7852] loop0: detected capacity change from 0 to 512 [ 80.391203][ T7857] loop3: detected capacity change from 0 to 512 [ 80.450069][ T7876] loop2: detected capacity change from 0 to 512 [ 80.491432][ T7896] loop4: detected capacity change from 0 to 512 [ 80.507126][ T7900] loop5: detected capacity change from 0 to 512 [ 80.523648][ T7908] loop3: detected capacity change from 0 to 512 [ 80.553340][ T7914] loop1: detected capacity change from 0 to 512 [ 80.596014][ T7920] loop2: detected capacity change from 0 to 512 [ 80.621042][ T7934] loop5: detected capacity change from 0 to 512 [ 80.638376][ T7941] loop4: detected capacity change from 0 to 512 [ 80.664806][ T7941] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 80.691461][ T7941] EXT4-fs (loop4): failed to initialize system zone (-117) [ 80.701161][ T7941] EXT4-fs (loop4): mount failed [ 80.719156][ T7968] loop1: detected capacity change from 0 to 519 [ 80.739778][ T7980] loop2: detected capacity change from 0 to 512 [ 80.819899][ T8006] loop4: detected capacity change from 0 to 512 [ 80.828447][ T7968] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/407/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 80.829387][ T7980] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 80.920835][ T8028] loop2: detected capacity change from 0 to 512 [ 80.921264][ T8030] loop5: detected capacity change from 0 to 512 [ 80.939867][ T8019] loop4: detected capacity change from 0 to 512 [ 80.972465][ T8043] loop1: detected capacity change from 0 to 512 [ 80.989373][ T8039] loop0: detected capacity change from 0 to 512 [ 81.029542][ T8043] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 81.039914][ T8028] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 81.046150][ T8053] loop5: detected capacity change from 0 to 512 [ 81.058120][ T8052] loop4: detected capacity change from 0 to 512 [ 81.105976][ T8060] loop0: detected capacity change from 0 to 518 [ 81.114672][ T8058] loop3: detected capacity change from 0 to 512 [ 81.183116][ T8076] loop5: detected capacity change from 0 to 512 [ 81.188522][ T8077] loop3: detected capacity change from 0 to 517 [ 81.216308][ T8084] loop4: detected capacity change from 0 to 512 [ 81.263942][ T8084] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 81.273990][ T8108] loop0: detected capacity change from 0 to 512 [ 81.300972][ T8111] loop2: detected capacity change from 0 to 519 [ 81.310671][ T8120] loop1: detected capacity change from 0 to 512 [ 81.323029][ T8114] loop5: detected capacity change from 0 to 512 [ 81.330083][ T8117] loop3: detected capacity change from 0 to 512 [ 81.354498][ T8138] loop2: detected capacity change from 0 to 512 [ 81.355594][ T8132] loop0: detected capacity change from 0 to 512 [ 81.376002][ T8129] loop4: detected capacity change from 0 to 519 [ 81.409944][ T8152] loop1: detected capacity change from 0 to 512 [ 81.426069][ T8152] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 81.437162][ T8138] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/414/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 81.477058][ T8162] loop3: detected capacity change from 0 to 512 [ 81.502818][ T8162] EXT4-fs (loop3): Magic mismatch, very weird! [ 81.530349][ T8175] loop4: detected capacity change from 0 to 512 [ 81.533035][ T8177] loop1: detected capacity change from 0 to 512 [ 81.543704][ T8165] loop5: detected capacity change from 0 to 512 [ 81.585037][ T8184] loop0: detected capacity change from 0 to 512 [ 81.587971][ T8190] loop2: detected capacity change from 0 to 512 [ 81.612291][ T8192] loop1: detected capacity change from 0 to 512 [ 81.629985][ T8196] loop3: detected capacity change from 0 to 512 [ 81.662229][ T8199] loop0: detected capacity change from 0 to 512 [ 81.771207][ T8199] EXT4-fs error (device loop0): ext4_init_orphan_info:586: comm syz-executor.0: inode #0: comm syz-executor.0: iget: illegal inode # [ 81.771326][ T8226] loop3: detected capacity change from 0 to 512 [ 81.788662][ T8220] loop1: detected capacity change from 0 to 512 [ 81.806728][ T8226] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 81.821229][ T8190] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/416/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 81.824413][ T8199] EXT4-fs (loop0): get orphan inode failed [ 81.842246][ T8199] EXT4-fs (loop0): mount failed [ 81.848639][ T8231] loop5: detected capacity change from 0 to 512 [ 81.901900][ T8243] loop3: detected capacity change from 0 to 512 [ 81.917071][ T8251] loop2: detected capacity change from 0 to 512 [ 81.939664][ T8253] loop1: detected capacity change from 0 to 512 [ 81.997001][ T8268] loop0: detected capacity change from 0 to 512 [ 81.999179][ T8261] loop5: detected capacity change from 0 to 519 [ 82.015445][ T8267] blk_print_req_error: 1026 callbacks suppressed [ 82.015460][ T8267] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 82.038223][ T8270] loop2: detected capacity change from 0 to 519 [ 82.122977][ T8302] loop4: detected capacity change from 0 to 512 [ 82.156673][ T8311] loop1: detected capacity change from 0 to 512 [ 82.164451][ T8316] loop0: detected capacity change from 0 to 512 [ 82.190290][ T8302] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 82.216395][ T8329] loop5: detected capacity change from 0 to 519 [ 82.223877][ T8334] loop2: detected capacity change from 0 to 512 [ 82.245581][ T8333] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 82.279716][ T8343] loop0: detected capacity change from 0 to 512 [ 82.296164][ T8342] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 82.319317][ T8356] loop5: detected capacity change from 0 to 512 [ 82.328864][ T8360] loop3: detected capacity change from 0 to 512 [ 82.344537][ T8363] loop1: detected capacity change from 0 to 512 [ 82.389214][ T8359] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 82.402144][ T8371] loop4: detected capacity change from 0 to 512 [ 82.410781][ T8356] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 82.480256][ T8389] loop0: detected capacity change from 0 to 512 [ 82.497172][ T8398] loop2: detected capacity change from 0 to 512 [ 82.506681][ T8393] loop1: detected capacity change from 0 to 512 [ 82.509931][ T8404] loop5: detected capacity change from 0 to 512 [ 82.513427][ T8397] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 82.570840][ T8413] loop4: detected capacity change from 0 to 512 [ 82.588872][ T8421] loop3: detected capacity change from 0 to 512 [ 82.608747][ T8393] EXT4-fs mount: 58 callbacks suppressed [ 82.608764][ T8393] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 82.652963][ T8404] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. [ 82.676456][ T8429] loop0: detected capacity change from 0 to 512 [ 82.686166][ T8393] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/427/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 82.706362][ T8404] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/444/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 82.710470][ T8431] loop4: detected capacity change from 0 to 512 [ 82.778716][ T8421] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 82.780398][ T8437] loop2: detected capacity change from 0 to 512 [ 82.798783][ T8436] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 82.809029][ T8436] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 82.825754][ T8421] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/427/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 82.834421][ T350] EXT4-fs (loop1): unmounting filesystem. [ 82.843512][ T8438] loop4: detected capacity change from 0 to 519 [ 82.864912][ T353] EXT4-fs (loop3): unmounting filesystem. [ 82.871293][ T351] EXT4-fs (loop5): unmounting filesystem. [ 82.908492][ T8454] loop4: detected capacity change from 0 to 512 [ 82.917207][ T8457] loop2: detected capacity change from 0 to 512 [ 82.945981][ T8464] loop3: detected capacity change from 0 to 512 [ 82.952584][ T8472] loop5: detected capacity change from 0 to 512 [ 82.963598][ T8471] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 82.988184][ T8459] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 83.006386][ T8454] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 83.012234][ T8471] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 83.024692][ T8454] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/419/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 83.077722][ T8497] loop1: detected capacity change from 0 to 512 [ 83.084441][ T347] EXT4-fs (loop4): unmounting filesystem. [ 83.092300][ T8500] loop0: detected capacity change from 0 to 512 [ 83.122114][ T8512] loop3: detected capacity change from 0 to 512 [ 83.131617][ T8509] loop2: detected capacity change from 0 to 519 [ 83.154039][ T8514] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 83.176186][ T8520] loop5: detected capacity change from 0 to 512 [ 83.187559][ T8524] loop0: detected capacity change from 0 to 512 [ 83.198339][ T8527] loop4: detected capacity change from 0 to 512 [ 83.205937][ T8497] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 83.242145][ T8526] buffer_io_error: 863 callbacks suppressed [ 83.242164][ T8526] Buffer I/O error on dev loop4, logical block 0, async page read [ 83.284611][ T8497] EXT4-fs (loop1): failed to initialize system zone (-117) [ 83.292018][ T8497] EXT4-fs (loop1): mount failed [ 83.310826][ T8512] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 83.326191][ T8512] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/431/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 83.347501][ T8544] loop0: detected capacity change from 0 to 512 [ 83.352426][ T8538] loop4: detected capacity change from 0 to 512 [ 83.378790][ T8509] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 83.382811][ T8543] Buffer I/O error on dev loop0, logical block 0, async page read [ 83.399977][ T353] EXT4-fs (loop3): unmounting filesystem. [ 83.401303][ T8550] loop1: detected capacity change from 0 to 512 [ 83.406067][ T8509] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/431/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 83.437783][ T8550] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 83.480630][ T346] EXT4-fs (loop2): unmounting filesystem. [ 83.508322][ T8565] loop1: detected capacity change from 0 to 512 [ 83.522715][ T8568] loop4: detected capacity change from 0 to 512 [ 83.531293][ T8574] loop0: detected capacity change from 0 to 512 [ 83.564779][ T8567] Buffer I/O error on dev loop4, logical block 0, async page read [ 83.566545][ T8583] loop3: detected capacity change from 0 to 512 [ 83.580281][ T8574] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 83.587615][ T8567] Buffer I/O error on dev loop4, logical block 0, async page read [ 83.621761][ T8567] Buffer I/O error on dev loop4, logical block 0, async page read [ 83.646266][ T8567] Buffer I/O error on dev loop4, logical block 0, async page read [ 83.654285][ T8583] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 83.664665][ T8586] loop2: detected capacity change from 0 to 512 [ 83.705719][ T8595] loop1: detected capacity change from 0 to 512 [ 83.742811][ T8613] loop0: detected capacity change from 0 to 512 [ 83.748811][ T8595] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 83.757598][ T8612] Buffer I/O error on dev loop0, logical block 0, async page read [ 83.779999][ T8622] loop4: detected capacity change from 0 to 512 [ 83.792034][ T8612] Buffer I/O error on dev loop0, logical block 0, async page read [ 83.841033][ T8622] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 83.854963][ T8639] loop3: detected capacity change from 0 to 517 [ 83.857768][ T8642] loop2: detected capacity change from 0 to 512 [ 83.862268][ T8638] Buffer I/O error on dev loop3, logical block 0, async page read [ 83.894196][ T8638] Buffer I/O error on dev loop3, logical block 0, async page read [ 83.912920][ T8622] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/426/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 83.949510][ T8661] loop5: detected capacity change from 0 to 512 [ 83.975133][ T8665] loop1: detected capacity change from 0 to 512 [ 83.984600][ T347] EXT4-fs (loop4): unmounting filesystem. [ 84.000681][ T8668] EXT4-fs warning (device loop5): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 84.015989][ T8661] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 84.019621][ T8669] loop3: detected capacity change from 0 to 512 [ 84.025473][ T8661] EXT4-fs (loop5): failed to initialize system zone (-117) [ 84.113876][ T8661] EXT4-fs (loop5): mount failed [ 84.125095][ T8678] loop4: detected capacity change from 0 to 519 [ 84.163721][ T8702] loop1: detected capacity change from 0 to 512 [ 84.207296][ T8717] loop2: detected capacity change from 0 to 512 [ 84.226453][ T8716] loop0: detected capacity change from 0 to 512 [ 84.269135][ T8728] loop0: detected capacity change from 0 to 512 [ 84.290075][ T8728] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 84.318808][ T8751] loop4: detected capacity change from 0 to 512 [ 84.323166][ T8746] loop5: detected capacity change from 0 to 512 [ 84.348143][ T8761] loop2: detected capacity change from 0 to 512 [ 84.359185][ T8763] loop3: detected capacity change from 0 to 512 2025/08/02 05:52:00 executed programs: 2694 [ 84.383237][ T8770] loop1: detected capacity change from 0 to 512 [ 84.401354][ T8772] loop0: detected capacity change from 0 to 512 [ 84.447351][ T8782] loop5: detected capacity change from 0 to 512 [ 84.460157][ T8787] loop2: detected capacity change from 0 to 512 [ 84.488548][ T8798] loop1: detected capacity change from 0 to 512 [ 84.490348][ T8801] loop0: detected capacity change from 0 to 512 [ 84.514631][ T8803] EXT4-fs warning (device loop5): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 84.548284][ T8782] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 84.562982][ T8782] EXT4-fs (loop5): failed to initialize system zone (-117) [ 84.576481][ T8815] loop2: detected capacity change from 0 to 512 [ 84.585277][ T8782] EXT4-fs (loop5): mount failed [ 84.593643][ T8813] loop4: detected capacity change from 0 to 512 [ 84.627619][ T8828] loop1: detected capacity change from 0 to 512 [ 84.636194][ T8831] loop5: detected capacity change from 0 to 512 [ 84.653383][ T8821] loop0: detected capacity change from 0 to 512 [ 84.661528][ T8826] loop3: detected capacity change from 0 to 512 [ 84.687918][ T8828] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 84.703333][ T8838] loop2: detected capacity change from 0 to 512 [ 84.737110][ T8838] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 84.751468][ T8852] loop4: detected capacity change from 0 to 512 [ 84.755908][ T8850] loop5: detected capacity change from 0 to 512 [ 84.764321][ T8846] loop3: detected capacity change from 0 to 512 [ 84.818128][ T8860] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 84.829991][ T8852] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 84.845865][ T8852] EXT4-fs (loop4): failed to initialize system zone (-117) [ 84.910226][ T8883] loop1: detected capacity change from 0 to 512 [ 84.917596][ T8881] loop5: detected capacity change from 0 to 512 [ 84.933917][ T8852] EXT4-fs (loop4): mount failed [ 84.982151][ T8889] loop0: detected capacity change from 0 to 512 [ 85.004611][ T8889] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 85.023038][ T8905] loop3: detected capacity change from 0 to 512 [ 85.091428][ T8932] loop2: detected capacity change from 0 to 512 [ 85.118318][ T8936] loop0: detected capacity change from 0 to 512 [ 85.137038][ T8947] loop5: detected capacity change from 0 to 519 [ 85.152779][ T8954] loop4: detected capacity change from 0 to 512 [ 85.205780][ T8964] loop3: detected capacity change from 0 to 512 [ 85.212218][ T8961] loop0: detected capacity change from 0 to 512 [ 85.217582][ T8966] loop1: detected capacity change from 0 to 512 [ 85.275858][ T8981] loop0: detected capacity change from 0 to 512 [ 85.292565][ T8979] loop2: detected capacity change from 0 to 512 [ 85.299018][ T8977] loop4: detected capacity change from 0 to 512 [ 85.367964][ T8992] loop3: detected capacity change from 0 to 512 [ 85.376585][ T8990] loop5: detected capacity change from 0 to 512 [ 85.414263][ T9008] loop4: detected capacity change from 0 to 512 [ 85.423458][ T9014] loop2: detected capacity change from 0 to 512 [ 85.458640][ T9027] loop1: detected capacity change from 0 to 512 [ 85.462345][ T9023] loop5: detected capacity change from 0 to 512 [ 85.531188][ T9047] loop0: detected capacity change from 0 to 512 [ 85.543895][ T9044] loop3: detected capacity change from 0 to 512 [ 85.547077][ T9053] loop2: detected capacity change from 0 to 512 [ 85.566616][ T9041] loop4: detected capacity change from 0 to 512 [ 85.624653][ T9077] loop3: detected capacity change from 0 to 512 [ 85.643551][ T9085] loop0: detected capacity change from 0 to 512 [ 85.650440][ T9089] loop4: detected capacity change from 0 to 512 [ 85.681859][ T9098] loop2: detected capacity change from 0 to 512 [ 85.696787][ T9105] loop3: detected capacity change from 0 to 513 [ 85.744471][ T9114] loop1: detected capacity change from 0 to 515 [ 85.777491][ T9126] loop3: detected capacity change from 0 to 517 [ 85.778699][ T9129] loop5: detected capacity change from 0 to 512 [ 85.818955][ T9142] loop1: detected capacity change from 0 to 512 [ 85.855866][ T9147] loop4: detected capacity change from 0 to 512 [ 85.878473][ T9156] loop2: detected capacity change from 0 to 519 [ 85.898427][ T9164] loop5: detected capacity change from 0 to 512 [ 85.908551][ T9142] EXT4-fs error (device loop1): ext4_init_orphan_info:586: comm syz-executor.1: inode #0: comm syz-executor.1: iget: illegal inode # [ 85.935055][ T9161] loop3: detected capacity change from 0 to 512 [ 85.951275][ T9172] loop0: detected capacity change from 0 to 512 [ 85.961388][ T9174] loop5: detected capacity change from 0 to 512 [ 85.976193][ T9142] EXT4-fs (loop1): get orphan inode failed [ 85.998560][ T9142] EXT4-fs (loop1): mount failed [ 86.036219][ T9188] loop0: detected capacity change from 0 to 512 [ 86.038310][ T9185] loop4: detected capacity change from 0 to 512 [ 86.062775][ T9192] loop1: detected capacity change from 0 to 512 [ 86.067634][ T9196] loop3: detected capacity change from 0 to 512 [ 86.091016][ T9188] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 86.102476][ T9203] loop2: detected capacity change from 0 to 512 [ 86.139758][ T9206] loop5: detected capacity change from 0 to 512 [ 86.172460][ T9210] loop1: detected capacity change from 0 to 512 [ 86.201360][ T9224] loop4: detected capacity change from 0 to 512 [ 86.229290][ T9242] loop1: detected capacity change from 0 to 512 [ 86.253501][ T9245] loop2: detected capacity change from 0 to 512 [ 86.302265][ T9258] loop4: detected capacity change from 0 to 512 [ 86.331913][ T9275] loop5: detected capacity change from 0 to 512 [ 86.336306][ T9258] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 86.348540][ T9278] loop3: detected capacity change from 0 to 512 [ 86.372987][ T9283] loop2: detected capacity change from 0 to 512 [ 86.421516][ T9295] loop3: detected capacity change from 0 to 517 [ 86.431557][ T9290] loop0: detected capacity change from 0 to 512 [ 86.486825][ T9304] loop1: detected capacity change from 0 to 519 [ 86.500657][ T9313] loop3: detected capacity change from 0 to 512 [ 86.526654][ T9321] loop2: detected capacity change from 0 to 512 [ 86.539161][ T9323] loop4: detected capacity change from 0 to 512 [ 86.545870][ T9320] loop0: detected capacity change from 0 to 512 [ 86.589602][ T9304] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 86.598377][ T9333] loop2: detected capacity change from 0 to 512 [ 86.606779][ T9320] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 86.617845][ T9323] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 86.641643][ T9304] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/472/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 86.657092][ T9320] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/494/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 86.664407][ T9323] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/455/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 86.703454][ T350] EXT4-fs (loop1): unmounting filesystem. [ 86.727401][ T352] EXT4-fs (loop0): unmounting filesystem. [ 86.764491][ T9352] loop3: detected capacity change from 0 to 512 [ 86.787011][ T9349] loop5: detected capacity change from 0 to 512 [ 86.806054][ T9356] loop1: detected capacity change from 0 to 512 [ 86.817616][ T347] EXT4-fs (loop4): unmounting filesystem. [ 86.828677][ T9333] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 86.876350][ T9356] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 86.878016][ T9333] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/478/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 86.942196][ T9376] loop0: detected capacity change from 0 to 512 [ 86.954926][ T9377] loop1: detected capacity change from 0 to 512 [ 86.962616][ T9387] loop5: detected capacity change from 0 to 512 [ 86.969845][ T346] EXT4-fs (loop2): unmounting filesystem. [ 86.983572][ T9391] loop4: detected capacity change from 0 to 512 [ 87.037349][ T9405] loop3: detected capacity change from 0 to 512 [ 87.039026][ T9396] loop2: detected capacity change from 0 to 512 [ 87.116830][ T9427] loop4: detected capacity change from 0 to 519 [ 87.140064][ T9420] blk_print_req_error: 699 callbacks suppressed [ 87.140082][ T9420] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 87.161889][ T9425] loop3: detected capacity change from 0 to 512 [ 87.166385][ T9431] loop0: detected capacity change from 0 to 512 [ 87.175499][ T9432] loop1: detected capacity change from 0 to 512 [ 87.176610][ T9429] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 87.220094][ T9444] loop5: detected capacity change from 0 to 512 [ 87.220722][ T9430] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 87.241177][ T9441] loop4: detected capacity change from 0 to 519 [ 87.254192][ T9447] loop3: detected capacity change from 0 to 512 [ 87.274452][ T9453] loop2: detected capacity change from 0 to 512 [ 87.285458][ T9452] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 87.295573][ T9443] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 87.305439][ T9443] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 87.328658][ T9465] loop1: detected capacity change from 0 to 512 [ 87.337348][ T9463] loop3: detected capacity change from 0 to 512 [ 87.366600][ T9461] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 87.371114][ T9471] loop0: detected capacity change from 0 to 512 [ 87.391176][ T9461] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 87.418010][ T9477] loop2: detected capacity change from 0 to 512 [ 87.462210][ T9477] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 87.507706][ T9494] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 87.527177][ T9471] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 87.542533][ T9471] EXT4-fs (loop0): failed to initialize system zone (-117) [ 87.550463][ T9471] EXT4-fs (loop0): mount failed [ 87.568670][ T9503] loop5: detected capacity change from 0 to 512 [ 87.588879][ T9502] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 87.599167][ T9502] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 87.611241][ T9512] loop2: detected capacity change from 0 to 512 [ 87.617806][ T9506] loop4: detected capacity change from 0 to 512 [ 87.655996][ T9516] loop3: detected capacity change from 0 to 512 [ 87.674093][ T9531] loop0: detected capacity change from 0 to 512 [ 87.682672][ T9537] loop2: detected capacity change from 0 to 512 [ 87.708294][ T9545] loop4: detected capacity change from 0 to 512 [ 87.767304][ T9556] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 87.788358][ T9567] loop0: detected capacity change from 0 to 518 [ 87.791200][ T9545] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 87.817245][ T9545] EXT4-fs (loop4): failed to initialize system zone (-117) [ 87.824918][ T9545] EXT4-fs (loop4): mount failed [ 87.834989][ T9567] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 87.847203][ T9576] loop5: detected capacity change from 0 to 512 [ 87.853662][ T9578] loop1: detected capacity change from 0 to 512 [ 87.871211][ T9537] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 87.895754][ T9537] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/484/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 87.952137][ T346] EXT4-fs (loop2): unmounting filesystem. [ 87.962715][ T9593] loop3: detected capacity change from 0 to 512 [ 88.011468][ T9603] loop1: detected capacity change from 0 to 512 [ 88.023232][ T9600] loop5: detected capacity change from 0 to 512 [ 88.025725][ T9608] loop4: detected capacity change from 0 to 512 [ 88.102553][ T9623] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 88.124167][ T9608] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 88.155927][ T9632] loop2: detected capacity change from 0 to 519 [ 88.184257][ T9638] loop5: detected capacity change from 0 to 512 [ 88.202540][ T9608] EXT4-fs (loop4): failed to initialize system zone (-117) [ 88.255285][ T9637] buffer_io_error: 684 callbacks suppressed [ 88.255302][ T9637] Buffer I/O error on dev loop5, logical block 0, async page read [ 88.259654][ T9608] EXT4-fs (loop4): mount failed [ 88.261295][ T9637] Buffer I/O error on dev loop5, logical block 0, async page read [ 88.309194][ T9648] loop0: detected capacity change from 0 to 512 [ 88.318072][ T9654] loop2: detected capacity change from 0 to 512 [ 88.327855][ T9646] loop3: detected capacity change from 0 to 517 [ 88.336932][ T9645] Buffer I/O error on dev loop0, logical block 0, async page read [ 88.366042][ T9671] loop1: detected capacity change from 0 to 512 [ 88.366069][ T9670] loop4: detected capacity change from 0 to 512 [ 88.390099][ T9668] Buffer I/O error on dev loop1, logical block 0, async page read [ 88.398587][ T9668] Buffer I/O error on dev loop1, logical block 0, async page read [ 88.420101][ T9670] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 88.433531][ T9688] loop2: detected capacity change from 0 to 512 [ 88.440349][ T9685] Buffer I/O error on dev loop2, logical block 0, async page read [ 88.450928][ T9686] loop0: detected capacity change from 0 to 512 [ 88.451992][ T9690] loop5: detected capacity change from 0 to 512 [ 88.469967][ T9693] loop3: detected capacity change from 0 to 512 [ 88.486613][ T9670] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/470/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 88.519131][ T9690] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 88.535570][ T9693] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 88.560190][ T9705] loop2: detected capacity change from 0 to 512 [ 88.567235][ T347] EXT4-fs (loop4): unmounting filesystem. [ 88.608964][ T9705] EXT4-fs (loop2): Magic mismatch, very weird! [ 88.655984][ T9726] loop1: detected capacity change from 0 to 512 [ 88.664301][ T9725] Buffer I/O error on dev loop1, logical block 0, async page read [ 88.678210][ T9738] loop3: detected capacity change from 0 to 512 [ 88.693610][ T9737] Buffer I/O error on dev loop3, logical block 0, async page read [ 88.702054][ T9737] Buffer I/O error on dev loop3, logical block 0, async page read [ 88.720393][ T9747] loop5: detected capacity change from 0 to 512 [ 88.745584][ T9750] loop4: detected capacity change from 0 to 519 [ 88.777503][ T9737] Buffer I/O error on dev loop3, logical block 0, async page read [ 88.777746][ T9756] loop2: detected capacity change from 0 to 512 [ 88.797531][ T9760] loop1: detected capacity change from 0 to 512 [ 88.844302][ T9766] loop4: detected capacity change from 0 to 512 [ 88.875741][ T9775] loop0: detected capacity change from 0 to 518 [ 88.876203][ T9772] loop1: detected capacity change from 0 to 512 [ 88.910767][ T9785] loop3: detected capacity change from 0 to 512 [ 88.939149][ T9788] loop5: detected capacity change from 0 to 512 [ 88.954876][ T9766] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 89.028918][ T9806] loop1: detected capacity change from 0 to 512 [ 89.040648][ T9812] loop2: detected capacity change from 0 to 519 [ 89.043923][ T9808] loop5: detected capacity change from 0 to 512 [ 89.075810][ T9821] loop4: detected capacity change from 0 to 512 [ 89.091589][ T9828] loop0: detected capacity change from 0 to 512 [ 89.112846][ T9833] loop2: detected capacity change from 0 to 512 [ 89.113860][ T9824] loop3: detected capacity change from 0 to 512 [ 89.149732][ T9838] loop0: detected capacity change from 0 to 512 [ 89.149892][ T9840] loop1: detected capacity change from 0 to 512 [ 89.243459][ T9855] loop5: detected capacity change from 0 to 512 [ 89.259120][ T9866] loop3: detected capacity change from 0 to 512 [ 89.269229][ T9859] loop2: detected capacity change from 0 to 512 [ 89.279841][ T9862] loop4: detected capacity change from 0 to 512 [ 89.334533][ T9859] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 89.347410][ T9859] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/500/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 89.377609][ T9883] loop1: detected capacity change from 0 to 512 2025/08/02 05:52:05 executed programs: 3056 [ 89.404386][ T9894] loop0: detected capacity change from 0 to 512 [ 89.432604][ T9903] loop5: detected capacity change from 0 to 512 [ 89.439656][ T346] EXT4-fs (loop2): unmounting filesystem. [ 89.487852][ T9915] loop4: detected capacity change from 0 to 512 [ 89.537591][ T9919] loop2: detected capacity change from 0 to 512 [ 89.544435][ T9930] loop1: detected capacity change from 0 to 512 [ 89.583313][ T9907] loop0: detected capacity change from 0 to 512 [ 89.590552][ T9937] loop2: detected capacity change from 0 to 512 [ 89.591195][ T9943] loop3: detected capacity change from 0 to 512 [ 89.659545][ T9962] loop5: detected capacity change from 0 to 512 [ 89.678377][ T9971] loop2: detected capacity change from 0 to 512 [ 89.718209][ T9991] loop3: detected capacity change from 0 to 512 [ 89.743294][ T9994] loop0: detected capacity change from 0 to 518 [ 89.768867][ T9994] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 89.776446][ T9991] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 89.790422][ T9962] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. [ 89.807157][ T9962] ext4 filesystem being mounted at /root/syzkaller-testdir866633517/syzkaller.M2TFlP/537/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 89.842004][T10000] loop1: detected capacity change from 0 to 512 [ 89.855250][T10001] loop3: detected capacity change from 0 to 512 [ 89.862041][T10005] loop2: detected capacity change from 0 to 519 [ 89.869694][ T351] EXT4-fs (loop5): unmounting filesystem. [ 89.940801][T10025] loop0: detected capacity change from 0 to 512 [ 89.956703][T10027] loop4: detected capacity change from 0 to 512 [ 89.971686][T10032] loop5: detected capacity change from 0 to 512 [ 90.028721][T10036] loop2: detected capacity change from 0 to 512 [ 90.037163][T10041] loop3: detected capacity change from 0 to 512 [ 90.046247][T10045] loop4: detected capacity change from 0 to 519 [ 90.054526][T10037] loop1: detected capacity change from 0 to 512 [ 90.057437][T10050] loop0: detected capacity change from 0 to 512 [ 90.114144][T10037] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 90.160006][T10037] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/511/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 90.181592][T10060] loop3: detected capacity change from 0 to 512 [ 90.196882][T10050] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 90.218636][T10071] loop2: detected capacity change from 0 to 512 [ 90.228685][T10073] loop5: detected capacity change from 0 to 512 [ 90.237611][T10067] loop4: detected capacity change from 0 to 512 [ 90.245541][T10050] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/539/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 90.310573][ T350] EXT4-fs (loop1): unmounting filesystem. [ 90.330465][ T352] EXT4-fs (loop0): unmounting filesystem. [ 90.347401][T10067] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 90.383931][T10067] ext4 filesystem being mounted at /root/syzkaller-testdir3002087262/syzkaller.afy9BG/491/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 90.407990][ T347] EXT4-fs (loop4): unmounting filesystem. [ 90.410222][T10104] loop5: detected capacity change from 0 to 512 [ 90.449497][T10103] loop2: detected capacity change from 0 to 512 [ 90.510190][T10123] loop0: detected capacity change from 0 to 512 [ 90.553275][T10135] loop4: detected capacity change from 0 to 512 [ 90.597778][T10152] loop2: detected capacity change from 0 to 512 [ 90.624678][T10155] loop1: detected capacity change from 0 to 512 [ 90.651245][T10123] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 90.664502][T10123] ext4 filesystem being mounted at /root/syzkaller-testdir2316716151/syzkaller.twSCA8/542/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 90.692638][T10166] loop5: detected capacity change from 0 to 512 [ 90.704040][ T352] EXT4-fs (loop0): unmounting filesystem. [ 90.705047][T10171] loop1: detected capacity change from 0 to 512 [ 90.730053][T10176] loop3: detected capacity change from 0 to 512 [ 90.743168][T10179] loop4: detected capacity change from 0 to 512 [ 90.789656][T10188] loop2: detected capacity change from 0 to 512 [ 90.819540][T10194] loop3: detected capacity change from 0 to 512 [ 90.837432][T10200] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 90.839209][T10204] loop5: detected capacity change from 0 to 512 [ 90.863094][T10179] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 90.875598][T10194] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 90.878574][T10210] loop2: detected capacity change from 0 to 512 [ 90.901124][T10204] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 90.911521][T10214] loop0: detected capacity change from 0 to 518 [ 90.940386][T10179] EXT4-fs (loop4): failed to initialize system zone (-117) [ 90.961504][T10218] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 90.984039][T10210] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 90.992069][T10214] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 91.008695][T10179] EXT4-fs (loop4): mount failed [ 91.013193][T10210] EXT4-fs (loop2): failed to initialize system zone (-117) [ 91.025404][T10214] EXT4-fs (loop0): failed to initialize system zone (-117) [ 91.035951][T10210] EXT4-fs (loop2): mount failed [ 91.057427][T10227] loop1: detected capacity change from 0 to 512 [ 91.067494][T10229] loop3: detected capacity change from 0 to 512 [ 91.073972][T10214] EXT4-fs (loop0): mount failed [ 91.098578][T10238] loop5: detected capacity change from 0 to 512 [ 91.120581][T10241] loop2: detected capacity change from 0 to 512 [ 91.159211][T10241] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 91.161678][T10249] loop0: detected capacity change from 0 to 512 [ 91.188177][T10254] loop1: detected capacity change from 0 to 519 [ 91.209398][T10262] loop3: detected capacity change from 0 to 517 [ 91.247853][T10271] loop0: detected capacity change from 0 to 512 [ 91.255432][T10264] loop5: detected capacity change from 0 to 519 [ 91.271300][T10274] loop4: detected capacity change from 0 to 512 [ 91.280544][T10254] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 91.286786][T10277] loop3: detected capacity change from 0 to 517 [ 91.362650][T10299] loop2: detected capacity change from 0 to 512 [ 91.382411][T10296] loop4: detected capacity change from 0 to 519 [ 91.422789][T10311] loop0: detected capacity change from 0 to 512 [ 91.455993][T10317] loop5: detected capacity change from 0 to 512 [ 91.457285][T10320] loop3: detected capacity change from 0 to 512 [ 91.479479][T10326] loop2: detected capacity change from 0 to 512 [ 91.579037][T10320] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 91.586587][T10350] loop0: detected capacity change from 0 to 512 [ 91.593623][T10320] EXT4-fs (loop3): failed to initialize system zone (-117) [ 91.599978][T10352] loop2: detected capacity change from 0 to 519 [ 91.602034][T10320] EXT4-fs (loop3): mount failed [ 91.645724][T10360] loop4: detected capacity change from 0 to 512 [ 91.651855][T10366] loop3: detected capacity change from 0 to 512 [ 91.658639][T10364] loop5: detected capacity change from 0 to 512 [ 91.710530][T10379] loop1: detected capacity change from 0 to 512 [ 91.720043][T10376] loop0: detected capacity change from 0 to 512 [ 91.732735][T10366] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 91.769365][T10366] ext4 filesystem being mounted at /root/syzkaller-testdir28445910/syzkaller.LRGA5l/533/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 91.797207][T10389] loop1: detected capacity change from 0 to 512 [ 91.798560][T10391] loop5: detected capacity change from 0 to 512 [ 91.848790][T10389] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 91.879075][ T353] EXT4-fs (loop3): unmounting filesystem. [ 91.903524][T10415] loop2: detected capacity change from 0 to 512 [ 91.917238][T10411] loop0: detected capacity change from 0 to 512 [ 91.927325][T10413] loop4: detected capacity change from 0 to 512 [ 92.002224][T10430] loop4: detected capacity change from 0 to 512 [ 92.020441][T10443] loop2: detected capacity change from 0 to 512 [ 92.024230][T10430] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 92.060336][T10450] loop1: detected capacity change from 0 to 512 [ 92.088234][T10457] loop0: detected capacity change from 0 to 518 [ 92.091483][T10461] loop3: detected capacity change from 0 to 512 [ 92.117203][T10443] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 92.149831][T10443] ext4 filesystem being mounted at /root/syzkaller-testdir2491931597/syzkaller.3Nu20L/529/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 92.159278][T10474] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 92.184956][T10461] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 92.189607][T10476] loop0: detected capacity change from 0 to 512 [ 92.200431][T10450] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 92.228375][T10450] ext4 filesystem being mounted at /root/syzkaller-testdir2018995758/syzkaller.leFLwf/533/ext4 supports timestamps until 2038-01-19 (0x7fffffff) [ 92.257176][ T346] EXT4-fs (loop2): unmounting filesystem. [ 92.262325][T10461] EXT4-fs (loop3): failed to initialize system zone (-117) [ 92.284017][T10461] EXT4-fs (loop3): mount failed [ 92.299765][T10486] loop0: detected capacity change from 0 to 518 [ 92.328367][ T350] EXT4-fs (loop1): unmounting filesystem. [ 92.336676][T10495] loop5: detected capacity change from 0 to 512 [ 92.352042][T10502] loop4: detected capacity change from 0 to 512 [ 92.382072][T10495] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 92.395792][T10501] blk_print_req_error: 682 callbacks suppressed [ 92.395813][T10501] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 92.411848][T10501] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.425557][T10519] loop1: detected capacity change from 0 to 512 [ 92.453635][T10531] loop0: detected capacity change from 0 to 512 [ 92.485637][T10530] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 92.521346][T10546] loop2: detected capacity change from 0 to 512 [ 92.526954][T10530] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.568808][T10543] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 92.569171][T10555] loop5: detected capacity change from 0 to 512 [ 92.587494][T10543] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.611408][T10564] loop1: detected capacity change from 0 to 512 [ 92.614282][T10543] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.638433][T10560] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 92.669004][T10573] loop0: detected capacity change from 0 to 512 [ 92.752647][T10596] loop3: detected capacity change from 0 to 512 [ 92.807557][T10596] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 92.859471][T10624] loop4: detected capacity change from 0 to 512 [ 92.871878][T10639] loop2: detected capacity change from 0 to 512 [ 92.876016][T10633] loop5: detected capacity change from 0 to 512 [ 92.881031][T10642] loop0: detected capacity change from 0 to 512 [ 92.892747][T10641] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 92.897544][T10638] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 92.945073][T10654] loop3: detected capacity change from 0 to 512 [ 92.968155][T10660] loop4: detected capacity change from 0 to 512 [ 92.998820][T10654] ------------[ cut here ]------------ [ 93.004430][T10654] kernel BUG at fs/ext4/super.c:6998! [ 93.016151][T10670] loop1: detected capacity change from 0 to 512 [ 93.020977][T10654] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 93.028586][T10654] CPU: 0 PID: 10654 Comm: syz-executor.3 Not tainted 6.1.145-syzkaller-1169984-g3b4ff5af8d36 #0 [ 93.039008][T10654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 93.039103][T10677] loop5: detected capacity change from 0 to 512 [ 93.049061][T10654] RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 [ 93.049111][T10654] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 86 3b bf ff e9 97 fa ff ff e8 2c ce f4 02 e8 57 d8 7a ff <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f [ 93.080890][T10654] RSP: 0018:ffffc90002b3f8f0 EFLAGS: 00010293 [ 93.086970][T10654] RAX: ffffffff81f52a29 RBX: ffff888100b1f000 RCX: ffff88811f1d0000 [ 93.095020][T10654] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 93.102976][T10654] RBP: ffffc90002b3f990 R08: dffffc0000000000 R09: ffffed10200bab15 [ 93.110926][T10654] R10: ffffed10200bab15 R11: 1ffff110200bab14 R12: 0000000000000004 [ 93.118873][T10654] R13: ffff88811f97a464 R14: 0000000000000000 R15: 0000000000000001 [ 93.126910][T10654] FS: 00007efc007fe6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 93.135829][T10654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.142394][T10654] CR2: 0000555572d22818 CR3: 000000010d113000 CR4: 00000000003506b0 [ 93.150350][T10654] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.158302][T10654] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.166774][T10654] Call Trace: [ 93.170040][T10654] [ 93.172958][T10654] ext4_fill_super+0x70a9/0x7930 [ 93.177905][T10654] ? __cfi_ext4_fill_super+0x10/0x10 [ 93.183195][T10654] ? snprintf+0xd7/0x120 [ 93.187439][T10654] ? set_blocksize+0x1df/0x360 [ 93.192211][T10654] ? sb_set_blocksize+0xaa/0xf0 [ 93.197053][T10654] get_tree_bdev+0x444/0x680 [ 93.201631][T10654] ? __cfi_ext4_fill_super+0x10/0x10 [ 93.206901][T10654] ext4_get_tree+0x1c/0x20 [ 93.211299][T10654] vfs_get_tree+0x9a/0x270 [ 93.215700][T10654] do_new_mount+0x25a/0xa20 [ 93.220188][T10654] path_mount+0x675/0x1010 [ 93.224589][T10654] ? user_path_at_empty+0x161/0x1c0 [ 93.229771][T10654] __se_sys_mount+0x318/0x380 [ 93.234428][T10654] ? do_mkdirat+0x459/0x4c0 [ 93.238920][T10654] ? __x64_sys_mount+0xd0/0xd0 [ 93.243694][T10654] __x64_sys_mount+0xbf/0xd0 [ 93.248300][T10654] x64_sys_call+0x65d/0x9a0 [ 93.252802][T10654] do_syscall_64+0x4c/0xa0 [ 93.257210][T10654] ? clear_bhb_loop+0x30/0x80 [ 93.261887][T10654] ? clear_bhb_loop+0x30/0x80 [ 93.266547][T10654] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 93.272434][T10654] RIP: 0033:0x7efbffa7e1ea [ 93.276859][T10654] 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 [ 93.296481][T10654] RSP: 002b:00007efc007fdee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.304901][T10654] RAX: ffffffffffffffda RBX: 00007efc007fdf80 RCX: 00007efbffa7e1ea [ 93.312861][T10654] RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007efc007fdf40 [ 93.320817][T10654] RBP: 00000000200005c0 R08: 00007efc007fdf80 R09: 0000000000200810 [ 93.328788][T10654] R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 [ 93.336741][T10654] R13: 00007efc007fdf40 R14: 00000000000004da R15: 0000000020001400 [ 93.344698][T10654] [ 93.347694][T10654] Modules linked in: [ 93.381159][T10654] ---[ end trace 0000000000000000 ]--- [ 93.394745][T10687] loop2: detected capacity change from 0 to 512 [ 93.415299][T10654] RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 [ 93.420465][T10692] loop1: detected capacity change from 0 to 512 [ 93.432692][T10691] buffer_io_error: 621 callbacks suppressed [ 93.432710][T10691] Buffer I/O error on dev loop1, logical block 0, async page read [ 93.441283][T10654] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 86 3b bf ff e9 97 fa ff ff e8 2c ce f4 02 e8 57 d8 7a ff <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f [ 93.466533][T10654] RSP: 0018:ffffc90002b3f8f0 EFLAGS: 00010293 [ 93.516196][T10654] RAX: ffffffff81f52a29 RBX: ffff888100b1f000 RCX: ffff88811f1d0000 [ 93.526695][T10654] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 93.536027][T10654] RBP: ffffc90002b3f990 R08: dffffc0000000000 R09: ffffed10200bab15 [ 93.568134][T10654] R10: ffffed10200bab15 R11: 1ffff110200bab14 R12: 0000000000000004 [ 93.581896][T10654] R13: ffff88811f97a464 R14: 0000000000000000 R15: 0000000000000001 [ 93.593567][T10654] FS: 00007efc007fe6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 93.620209][T10654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.642143][T10654] CR2: 00007f2443dda000 CR3: 000000010d113000 CR4: 00000000003506b0 [ 93.677780][T10654] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.689666][T10654] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.715617][T10654] Kernel panic - not syncing: Fatal exception [ 93.721953][T10654] Kernel Offset: disabled [ 93.726267][T10654] Rebooting in 86400 seconds..