Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts. 2026/03/18 12:12:41 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 42.880953][ T30] audit: type=1400 audit(1773835962.024:105): avc: denied { unlink } for pid=388 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" [ 42.914556][ T388] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 43.308168][ T30] audit: type=1401 audit(1773835962.444:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 43.696880][ T432] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.704102][ T432] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.711429][ T432] device bridge_slave_0 entered promiscuous mode [ 43.718161][ T432] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.725239][ T432] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.732775][ T432] device bridge_slave_1 entered promiscuous mode [ 43.763809][ T432] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.770871][ T432] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.778089][ T432] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.785104][ T432] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.801785][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.809346][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.816566][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.825164][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.833384][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.840422][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.850961][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.859124][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.866174][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.878441][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.887624][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.900109][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.910916][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.918832][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.926418][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.934422][ T432] device veth0_vlan entered promiscuous mode [ 43.945579][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.954456][ T432] device veth1_macvtap entered promiscuous mode [ 43.962907][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.972808][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/03/18 12:12:43 executed programs: 0 [ 44.348556][ T451] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.355740][ T451] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.363287][ T451] device bridge_slave_0 entered promiscuous mode [ 44.370170][ T451] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.377296][ T451] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.384660][ T451] device bridge_slave_1 entered promiscuous mode [ 44.425808][ T451] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.432871][ T451] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.440100][ T451] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.447119][ T451] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.466670][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.474234][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.481974][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.490872][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.499015][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.506052][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.520995][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.529135][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.536162][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.553117][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.562074][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.574271][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.584813][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.593103][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.600950][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.609179][ T451] device veth0_vlan entered promiscuous mode [ 44.623383][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.631498][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.640683][ T451] device veth1_macvtap entered promiscuous mode [ 44.648857][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.656752][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.665264][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.674294][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.682535][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.709745][ T456] loop2: detected capacity change from 0 to 1024 [ 44.753843][ T456] EXT4-fs (loop2): Ignoring removed bh option [ 44.759972][ T456] EXT4-fs (loop2): Ignoring removed oldalloc option [ 44.766849][ T456] EXT4-fs (loop2): Ignoring removed nobh option [ 44.773140][ T456] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 44.791763][ T456] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 44.820511][ T30] audit: type=1400 audit(1773835963.954:107): avc: denied { mount } for pid=455 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 44.860303][ T30] audit: type=1400 audit(1773835963.984:108): avc: denied { write } for pid=455 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 44.882769][ T30] audit: type=1400 audit(1773835963.984:109): avc: denied { add_name } for pid=455 comm="syz.2.17" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 44.903628][ T30] audit: type=1400 audit(1773835963.984:110): avc: denied { create } for pid=455 comm="syz.2.17" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 44.923596][ T30] audit: type=1400 audit(1773835963.984:111): avc: denied { read open } for pid=455 comm="syz.2.17" path="/0/file1/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 44.946302][ T30] audit: type=1400 audit(1773835963.984:112): avc: denied { write } for pid=455 comm="syz.2.17" name="bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 44.968730][ T30] audit: type=1400 audit(1773835963.984:113): avc: denied { read write } for pid=455 comm="syz.2.17" name="file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 44.986113][ T456] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.17: pblk 289 bad header/extent: invalid extent entries - magic f30a, entries 15, max 84(84), depth 0(0) [ 44.991281][ T30] audit: type=1400 audit(1773835963.984:114): avc: denied { open } for pid=455 comm="syz.2.17" path="/0/file1/file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 45.018795][ T456] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 203 with max blocks 1 with error 117 [ 45.043775][ T456] EXT4-fs (loop2): This should not happen!! Data will be lost [ 45.043775][ T456] [ 45.157123][ T462] loop2: detected capacity change from 0 to 1024 [ 45.215372][ T462] EXT4-fs (loop2): Ignoring removed bh option [ 45.221513][ T462] EXT4-fs (loop2): Ignoring removed oldalloc option [ 45.228101][ T462] EXT4-fs (loop2): Ignoring removed nobh option [ 45.234369][ T462] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.251227][ T462] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 45.299220][ T462] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.18: Allocating blocks 497-513 which overlap fs metadata [ 45.313160][ T462] EXT4-fs (loop2): pa ffff88812a0235e8: logic 128, phys. 385, len 8 [ 45.321182][ T462] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 45.442236][ T469] loop2: detected capacity change from 0 to 1024 [ 45.511629][ T469] EXT4-fs (loop2): Ignoring removed bh option [ 45.517771][ T469] EXT4-fs (loop2): Ignoring removed oldalloc option [ 45.525288][ T469] EXT4-fs (loop2): Ignoring removed nobh option [ 45.531587][ T469] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.551588][ T469] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 45.609040][ T469] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.19: Allocating blocks 497-513 which overlap fs metadata [ 45.626017][ T469] EXT4-fs (loop2): pa ffff88810d13b498: logic 128, phys. 385, len 8 [ 45.634120][ T469] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 45.661350][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.680882][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 45.681210][ T469] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.19: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.694688][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 45.715077][ T469] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 45.738243][ T469] EXT4-fs (loop2): This should not happen!! Data will be lost [ 45.738243][ T469] [ 45.749098][ T469] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.19: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.767531][ T469] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 45.831258][ T309] device bridge_slave_1 left promiscuous mode [ 45.837411][ T309] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.846376][ T474] loop2: detected capacity change from 0 to 1024 [ 45.853063][ T309] device bridge_slave_0 left promiscuous mode [ 45.859197][ T309] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.866149][ T474] EXT4-fs (loop2): Ignoring removed bh option [ 45.872370][ T474] EXT4-fs (loop2): Ignoring removed oldalloc option [ 45.878974][ T474] EXT4-fs (loop2): Ignoring removed nobh option [ 45.879063][ T309] device veth1_macvtap left promiscuous mode [ 45.885460][ T474] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.891524][ T309] device veth0_vlan left promiscuous mode [ 45.911460][ T474] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 45.949500][ T474] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.20: Allocating blocks 497-513 which overlap fs metadata [ 45.963458][ T474] EXT4-fs (loop2): pa ffff888112e1a150: logic 128, phys. 385, len 8 [ 45.971501][ T474] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 46.000490][ T474] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.20: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.018329][ T474] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 46.030972][ T474] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.030972][ T474] [ 46.041119][ T474] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.20: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.059527][ T474] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 46.127323][ T479] loop2: detected capacity change from 0 to 1024 [ 46.186920][ T479] EXT4-fs (loop2): Ignoring removed bh option [ 46.193077][ T479] EXT4-fs (loop2): Ignoring removed oldalloc option [ 46.199677][ T479] EXT4-fs (loop2): Ignoring removed nobh option [ 46.206087][ T479] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 46.221216][ T479] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 46.263544][ T479] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.21: Allocating blocks 497-513 which overlap fs metadata [ 46.277611][ T479] EXT4-fs (loop2): pa ffff88812a1f3e70: logic 128, phys. 385, len 8 [ 46.285797][ T479] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 46.313556][ T479] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.21: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.332049][ T479] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 46.344549][ T479] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.344549][ T479] [ 46.354907][ T479] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.21: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.373294][ T479] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 46.441096][ T484] loop2: detected capacity change from 0 to 1024 [ 46.449500][ T484] EXT4-fs (loop2): Ignoring removed bh option [ 46.455641][ T484] EXT4-fs (loop2): Ignoring removed oldalloc option [ 46.462257][ T484] EXT4-fs (loop2): Ignoring removed nobh option [ 46.468496][ T484] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 46.491952][ T484] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 46.537004][ T484] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.22: Allocating blocks 497-513 which overlap fs metadata [ 46.551114][ T484] EXT4-fs (loop2): pa ffff88812a21e5e8: logic 128, phys. 385, len 8 [ 46.559097][ T484] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 46.583704][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.602592][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 92: len 4: ext4_ext_map_blocks returned -117 [ 46.602622][ T484] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.22: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.616327][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 46.634811][ T484] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 97 with max blocks 3 with error 117 [ 46.659732][ T484] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.659732][ T484] [ 46.670534][ T484] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.22: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.689021][ T484] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 46.758050][ T489] loop2: detected capacity change from 0 to 1024 [ 46.838868][ T489] EXT4-fs (loop2): Ignoring removed bh option [ 46.845067][ T489] EXT4-fs (loop2): Ignoring removed oldalloc option [ 46.851756][ T489] EXT4-fs (loop2): Ignoring removed nobh option [ 46.858014][ T489] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 46.881430][ T489] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 46.921826][ T489] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 46.935836][ T489] EXT4-fs (loop2): pa ffff888112d20b28: logic 128, phys. 385, len 8 [ 46.943854][ T489] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 46.970915][ T489] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.23: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.989331][ T489] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 47.002003][ T489] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.002003][ T489] [ 47.012117][ T489] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.23: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.030465][ T489] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 47.089744][ T494] loop2: detected capacity change from 0 to 1024 [ 47.098960][ T494] EXT4-fs (loop2): Ignoring removed bh option [ 47.105096][ T494] EXT4-fs (loop2): Ignoring removed oldalloc option [ 47.111738][ T494] EXT4-fs (loop2): Ignoring removed nobh option [ 47.117980][ T494] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.131131][ T494] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 47.183526][ T494] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.24: Allocating blocks 497-513 which overlap fs metadata [ 47.197430][ T494] EXT4-fs (loop2): pa ffff88812a1df540: logic 128, phys. 385, len 8 [ 47.205442][ T494] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.230964][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.249733][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 98: len 2: ext4_ext_map_blocks returned -117 [ 47.249732][ T494] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.24: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.249867][ T494] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 102 with max blocks 2 with error 117 [ 47.263623][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 47.282009][ T494] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.282009][ T494] [ 47.316811][ T494] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.24: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.335201][ T494] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 2: ext4_ext_map_blocks returned -117 [ 47.487105][ T499] loop2: detected capacity change from 0 to 1024 [ 47.545161][ T499] EXT4-fs (loop2): Ignoring removed bh option [ 47.551340][ T499] EXT4-fs (loop2): Ignoring removed oldalloc option [ 47.557957][ T499] EXT4-fs (loop2): Ignoring removed nobh option [ 47.564238][ T499] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.581315][ T499] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 47.622224][ T499] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.25: Allocating blocks 497-513 which overlap fs metadata [ 47.636153][ T499] EXT4-fs (loop2): pa ffff88812a1df888: logic 128, phys. 385, len 8 [ 47.644166][ T499] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.671909][ T499] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.25: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.690477][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.694685][ T499] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 47.721705][ T499] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.721705][ T499] [ 47.721745][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 47.745156][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 47.847198][ T504] loop2: detected capacity change from 0 to 1024 [ 47.892836][ T504] EXT4-fs (loop2): Ignoring removed bh option [ 47.898941][ T504] EXT4-fs (loop2): Ignoring removed oldalloc option [ 47.905626][ T504] EXT4-fs (loop2): Ignoring removed nobh option [ 47.911900][ T504] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.932377][ T504] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 47.973773][ T504] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.26: Allocating blocks 497-513 which overlap fs metadata [ 47.987783][ T504] EXT4-fs (loop2): pa ffff88812a1df9d8: logic 128, phys. 385, len 8 [ 47.995809][ T504] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 48.022354][ T504] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.26: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.040772][ T504] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 106 with max blocks 2 with error 117 [ 48.053226][ T504] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.053226][ T504] [ 48.063262][ T504] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.26: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.081751][ T504] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 2: ext4_ext_map_blocks returned -117 [ 48.182726][ T509] EXT4-fs (loop2): Ignoring removed bh option [ 48.188883][ T509] EXT4-fs (loop2): Ignoring removed oldalloc option [ 48.195537][ T509] EXT4-fs (loop2): Ignoring removed nobh option [ 48.201964][ T509] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 48.221465][ T509] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 48.264608][ T509] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.27: Allocating blocks 497-513 which overlap fs metadata [ 48.278522][ T509] EXT4-fs (loop2): pa ffff88812a23d348: logic 128, phys. 385, len 8 [ 48.286523][ T509] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 48.314958][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.333841][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 48.333937][ T509] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.27: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.347600][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 48.379111][ T509] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 48.391568][ T509] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.391568][ T509] [ 48.401649][ T509] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.27: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.420069][ T509] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 48.489045][ T514] EXT4-fs (loop2): Ignoring removed bh option [ 48.495203][ T514] EXT4-fs (loop2): Ignoring removed oldalloc option [ 48.501838][ T514] EXT4-fs (loop2): Ignoring removed nobh option [ 48.508077][ T514] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 48.531550][ T514] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 48.571868][ T514] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.28: Allocating blocks 497-513 which overlap fs metadata [ 48.585786][ T514] EXT4-fs (loop2): pa ffff888120d5c0a8: logic 128, phys. 385, len 8 [ 48.594053][ T514] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 48.622195][ T514] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.28: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.640746][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.641027][ T514] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 48.659497][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 48.672261][ T514] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.672261][ T514] [ 48.685749][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 48.803632][ T519] EXT4-fs (loop2): Ignoring removed bh option [ 48.809783][ T519] EXT4-fs (loop2): Ignoring removed oldalloc option [ 48.816445][ T519] EXT4-fs (loop2): Ignoring removed nobh option [ 48.822751][ T519] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 48.841317][ T519] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 48.882220][ T519] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.29: Allocating blocks 497-513 which overlap fs metadata [ 48.896118][ T519] EXT4-fs (loop2): pa ffff888120cdc498: logic 128, phys. 385, len 8 [ 48.904125][ T519] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 48.931755][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.950468][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 48.950489][ T519] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.29: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.964411][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 48.983131][ T519] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 49.008011][ T519] EXT4-fs (loop2): This should not happen!! Data will be lost [ 49.008011][ T519] [ 49.018364][ T519] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.29: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.036936][ T519] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 49.240640][ T524] EXT4-fs (loop2): Ignoring removed bh option [ 49.246757][ T524] EXT4-fs (loop2): Ignoring removed oldalloc option [ 49.253411][ T524] EXT4-fs (loop2): Ignoring removed nobh option [ 49.259659][ T524] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.281410][ T524] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 49.322383][ T524] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.30: Allocating blocks 497-513 which overlap fs metadata [ 49.336290][ T524] EXT4-fs (loop2): pa ffff888120cdc5e8: logic 128, phys. 385, len 8 [ 49.344319][ T524] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 49.372704][ T524] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.30: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.390579][ T524] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 49.403267][ T524] EXT4-fs (loop2): This should not happen!! Data will be lost [ 49.403267][ T524] [ 49.414139][ T524] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.30: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.432547][ T524] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/18 12:12:48 executed programs: 16 [ 49.596431][ T529] EXT4-fs (loop2): Ignoring removed bh option [ 49.602588][ T529] EXT4-fs (loop2): Ignoring removed oldalloc option [ 49.609179][ T529] EXT4-fs (loop2): Ignoring removed nobh option [ 49.615464][ T529] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.631175][ T529] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 49.672372][ T529] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.31: Allocating blocks 497-513 which overlap fs metadata [ 49.686401][ T529] EXT4-fs (loop2): pa ffff888120c0dc78: logic 128, phys. 385, len 8 [ 49.694403][ T529] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 49.722629][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.741390][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 115: len 1: ext4_ext_map_blocks returned -117 [ 49.741423][ T529] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.31: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.755150][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 49.773955][ T529] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 49.798464][ T529] EXT4-fs (loop2): This should not happen!! Data will be lost [ 49.798464][ T529] [ 49.808801][ T529] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.31: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.827211][ T529] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 49.897590][ T534] set_capacity_and_notify: 5 callbacks suppressed [ 49.897600][ T534] loop2: detected capacity change from 0 to 1024 [ 49.993906][ T534] EXT4-fs (loop2): Ignoring removed bh option [ 50.000014][ T534] EXT4-fs (loop2): Ignoring removed oldalloc option [ 50.006834][ T534] EXT4-fs (loop2): Ignoring removed nobh option [ 50.013110][ T534] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.031316][ T534] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 50.083827][ T534] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.32: Allocating blocks 497-513 which overlap fs metadata [ 50.097897][ T534] EXT4-fs (loop2): pa ffff88812a32c2a0: logic 128, phys. 385, len 8 [ 50.105924][ T534] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.134586][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.153300][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 50.153323][ T534] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.32: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.167102][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 50.198275][ T534] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 50.210839][ T534] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.210839][ T534] [ 50.220848][ T534] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.32: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.239206][ T534] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 50.307224][ T539] loop2: detected capacity change from 0 to 1024 [ 50.346559][ T539] EXT4-fs (loop2): Ignoring removed bh option [ 50.352708][ T539] EXT4-fs (loop2): Ignoring removed oldalloc option [ 50.359294][ T539] EXT4-fs (loop2): Ignoring removed nobh option [ 50.365574][ T539] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.381137][ T539] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 50.432733][ T539] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.33: Allocating blocks 497-513 which overlap fs metadata [ 50.446629][ T539] EXT4-fs (loop2): pa ffff888120d5cc78: logic 128, phys. 385, len 8 [ 50.454636][ T539] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.479159][ T539] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.33: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.497690][ T539] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 96 with max blocks 1 with error 117 [ 50.510304][ T539] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.510304][ T539] [ 50.649717][ T544] loop2: detected capacity change from 0 to 1024 [ 50.738086][ T544] EXT4-fs (loop2): Ignoring removed bh option [ 50.744242][ T544] EXT4-fs (loop2): Ignoring removed oldalloc option [ 50.750898][ T544] EXT4-fs (loop2): Ignoring removed nobh option [ 50.757147][ T544] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.771170][ T544] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 50.811062][ T544] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.34: Allocating blocks 497-513 which overlap fs metadata [ 50.825030][ T544] EXT4-fs (loop2): pa ffff888120d5cdc8: logic 128, phys. 385, len 8 [ 50.833068][ T544] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.862017][ T544] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.34: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.879912][ T544] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 50.892508][ T544] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.892508][ T544] [ 50.902544][ T544] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.34: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.920979][ T544] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 51.007521][ T549] loop2: detected capacity change from 0 to 1024 [ 51.082652][ T549] EXT4-fs (loop2): Ignoring removed bh option [ 51.088802][ T549] EXT4-fs (loop2): Ignoring removed oldalloc option [ 51.095445][ T549] EXT4-fs (loop2): Ignoring removed nobh option [ 51.101823][ T549] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.121253][ T549] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 51.161574][ T549] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.35: Allocating blocks 497-513 which overlap fs metadata [ 51.175528][ T549] EXT4-fs (loop2): pa ffff888112f9c738: logic 128, phys. 385, len 8 [ 51.183547][ T549] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.212052][ T549] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.35: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.229950][ T549] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 51.242554][ T549] EXT4-fs (loop2): This should not happen!! Data will be lost [ 51.242554][ T549] [ 51.252552][ T549] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.35: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.271048][ T549] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 51.336978][ T554] loop2: detected capacity change from 0 to 1024 [ 51.397494][ T554] EXT4-fs (loop2): Ignoring removed bh option [ 51.403670][ T554] EXT4-fs (loop2): Ignoring removed oldalloc option [ 51.410377][ T554] EXT4-fs (loop2): Ignoring removed nobh option [ 51.416715][ T554] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.431387][ T554] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 51.473766][ T554] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.36: Allocating blocks 497-513 which overlap fs metadata [ 51.487986][ T554] EXT4-fs (loop2): pa ffff888120d412a0: logic 128, phys. 385, len 8 [ 51.496023][ T554] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.524332][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.543135][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 51.543163][ T554] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.36: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.557183][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 51.575354][ T554] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 51.588764][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.600150][ T554] EXT4-fs (loop2): This should not happen!! Data will be lost [ 51.600150][ T554] [ 51.628453][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 51.642223][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 51.806896][ T559] loop2: detected capacity change from 0 to 1024 [ 51.863030][ T559] EXT4-fs (loop2): Ignoring removed bh option [ 51.869132][ T559] EXT4-fs (loop2): Ignoring removed oldalloc option [ 51.875755][ T559] EXT4-fs (loop2): Ignoring removed nobh option [ 51.882016][ T559] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.901627][ T559] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 51.953543][ T559] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.37: Allocating blocks 497-513 which overlap fs metadata [ 51.967556][ T559] EXT4-fs (loop2): pa ffff888112da9690: logic 128, phys. 385, len 8 [ 51.975636][ T559] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.002224][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.020982][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 52.021011][ T559] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.37: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.034880][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 52.052998][ T559] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 52.077924][ T559] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.077924][ T559] [ 52.088273][ T559] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.37: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.106626][ T559] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 [ 52.180551][ T564] loop2: detected capacity change from 0 to 1024 [ 52.262371][ T564] EXT4-fs (loop2): Ignoring removed bh option [ 52.268537][ T564] EXT4-fs (loop2): Ignoring removed oldalloc option [ 52.275198][ T564] EXT4-fs (loop2): Ignoring removed nobh option [ 52.281474][ T564] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.301402][ T564] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 52.344816][ T564] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.38: Allocating blocks 497-513 which overlap fs metadata [ 52.358773][ T564] EXT4-fs (loop2): pa ffff888112f4b9d8: logic 128, phys. 385, len 8 [ 52.366854][ T564] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.396433][ T564] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.38: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.414894][ T564] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 52.414927][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.427715][ T564] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.427715][ T564] [ 52.446179][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 52.456431][ T564] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.38: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.469308][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 52.493172][ T564] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 52.577283][ T569] loop2: detected capacity change from 0 to 1024 [ 52.665497][ T569] EXT4-fs (loop2): Ignoring removed bh option [ 52.671629][ T569] EXT4-fs (loop2): Ignoring removed oldalloc option [ 52.678239][ T569] EXT4-fs (loop2): Ignoring removed nobh option [ 52.684539][ T569] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.701408][ T569] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 52.743163][ T569] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 52.757116][ T569] EXT4-fs (loop2): pa ffff88812a34e888: logic 128, phys. 385, len 8 [ 52.765165][ T569] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.793676][ T569] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.39: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.811553][ T569] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 52.824194][ T569] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.824194][ T569] [ 52.834615][ T569] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.39: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.853017][ T569] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 52.966794][ T574] loop2: detected capacity change from 0 to 1024 [ 53.038103][ T574] EXT4-fs (loop2): Ignoring removed bh option [ 53.044402][ T574] EXT4-fs (loop2): Ignoring removed oldalloc option [ 53.051034][ T574] EXT4-fs (loop2): Ignoring removed nobh option [ 53.057273][ T574] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.071251][ T574] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 53.112642][ T574] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.40: Allocating blocks 497-513 which overlap fs metadata [ 53.126612][ T574] EXT4-fs (loop2): pa ffff888112f0cf18: logic 128, phys. 385, len 8 [ 53.134623][ T574] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 53.171131][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.189842][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 156: len 4: ext4_ext_map_blocks returned -117 [ 53.189874][ T574] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.40: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.203874][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 53.221938][ T574] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 162 with max blocks 2 with error 117 [ 53.246838][ T574] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.246838][ T574] [ 53.256877][ T574] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.40: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.274724][ T574] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.40: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.292647][ T574] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 160: len 2: ext4_ext_map_blocks returned -117 [ 53.357561][ T579] loop2: detected capacity change from 0 to 1024 [ 53.406451][ T579] EXT4-fs (loop2): Ignoring removed bh option [ 53.412638][ T579] EXT4-fs (loop2): Ignoring removed oldalloc option [ 53.419279][ T579] EXT4-fs (loop2): Ignoring removed nobh option [ 53.425692][ T579] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.441297][ T579] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 53.481655][ T579] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 53.495624][ T579] EXT4-fs (loop2): pa ffff88812a372738: logic 128, phys. 385, len 8 [ 53.503643][ T579] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 53.531299][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.550088][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 119: len 1: ext4_ext_map_blocks returned -117 [ 53.550124][ T579] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.41: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.564041][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 53.582237][ T579] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 122 with max blocks 2 with error 117 [ 53.607096][ T579] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.607096][ T579] [ 53.617375][ T579] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.41: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.635266][ T579] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.41: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.653165][ T579] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 120: len 2: ext4_ext_map_blocks returned -117 [ 53.766839][ T584] EXT4-fs (loop2): Ignoring removed bh option [ 53.773015][ T584] EXT4-fs (loop2): Ignoring removed oldalloc option [ 53.779637][ T584] EXT4-fs (loop2): Ignoring removed nobh option [ 53.785955][ T584] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.801257][ T584] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 53.841591][ T584] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 53.855543][ T584] EXT4-fs (loop2): pa ffff88812a38e888: logic 128, phys. 385, len 8 [ 53.863558][ T584] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 53.891662][ T584] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.42: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.909589][ T584] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 53.922083][ T584] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.922083][ T584] [ 53.932180][ T584] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.42: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.950522][ T584] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 54.081430][ T589] EXT4-fs (loop2): Ignoring removed bh option [ 54.087567][ T589] EXT4-fs (loop2): Ignoring removed oldalloc option [ 54.094219][ T589] EXT4-fs (loop2): Ignoring removed nobh option [ 54.100516][ T589] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.121299][ T589] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 54.162285][ T589] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 54.176189][ T589] EXT4-fs (loop2): pa ffff888112ec73f0: logic 128, phys. 385, len 8 [ 54.184193][ T589] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 54.212818][ T589] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.43: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.230747][ T589] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 54.243208][ T589] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.243208][ T589] [ 54.253483][ T589] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.43: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.271868][ T589] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 54.450000][ T594] EXT4-fs (loop2): Ignoring removed bh option [ 54.456179][ T594] EXT4-fs (loop2): Ignoring removed oldalloc option [ 54.462908][ T594] EXT4-fs (loop2): Ignoring removed nobh option [ 54.469266][ T594] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.491394][ T594] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 54.532579][ T594] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 54.546569][ T594] EXT4-fs (loop2): pa ffff88812a3b1bd0: logic 128, phys. 385, len 8 [ 54.554567][ T594] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 54.583000][ T594] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.44: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.600949][ T594] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 54.613433][ T594] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.613433][ T594] [ 54.623466][ T594] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.44: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.641860][ T594] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/18 12:12:53 executed programs: 30 [ 54.840952][ T599] EXT4-fs (loop2): Ignoring removed bh option [ 54.847067][ T599] EXT4-fs (loop2): Ignoring removed oldalloc option [ 54.853700][ T599] EXT4-fs (loop2): Ignoring removed nobh option [ 54.859938][ T599] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.881416][ T599] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 54.921321][ T599] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 54.935211][ T599] EXT4-fs (loop2): pa ffff888112e7c888: logic 128, phys. 385, len 8 [ 54.943241][ T599] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 54.991310][ T8] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm kworker/u4:0: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 8, max 84(84), depth 0(0) [ 55.009565][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 224: len 1: ext4_ext_map_blocks returned -117 [ 55.023330][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 55.119611][ T604] set_capacity_and_notify: 4 callbacks suppressed [ 55.119620][ T604] loop2: detected capacity change from 0 to 1024 [ 55.162669][ T604] EXT4-fs (loop2): Ignoring removed bh option [ 55.168783][ T604] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.175421][ T604] EXT4-fs (loop2): Ignoring removed nobh option [ 55.181711][ T604] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.201345][ T604] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 55.242663][ T604] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 55.256788][ T604] EXT4-fs (loop2): pa ffff888112de73f0: logic 128, phys. 385, len 8 [ 55.264819][ T604] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 55.293010][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.311945][ T604] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.330253][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 55.330630][ T604] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 55.344069][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 55.356619][ T604] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.356619][ T604] [ 55.379577][ T604] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.397961][ T604] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 55.467901][ T609] loop2: detected capacity change from 0 to 1024 [ 55.538146][ T609] EXT4-fs (loop2): Ignoring removed bh option [ 55.544313][ T609] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.551051][ T609] EXT4-fs (loop2): Ignoring removed nobh option [ 55.557562][ T609] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.571578][ T609] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 55.612559][ T609] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.47: Allocating blocks 497-513 which overlap fs metadata [ 55.626485][ T609] EXT4-fs (loop2): pa ffff888112de79d8: logic 128, phys. 385, len 8 [ 55.634496][ T609] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 55.662144][ T609] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.47: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.680775][ T609] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 55.680786][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.693296][ T609] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.693296][ T609] [ 55.712345][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 55.735190][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 55.859311][ T614] loop2: detected capacity change from 0 to 1024 [ 55.923857][ T614] EXT4-fs (loop2): Ignoring removed bh option [ 55.930012][ T614] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.936825][ T614] EXT4-fs (loop2): Ignoring removed nobh option [ 55.943165][ T614] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.961253][ T614] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 56.001877][ T614] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.48: Allocating blocks 497-513 which overlap fs metadata [ 56.015995][ T614] EXT4-fs (loop2): pa ffff88812a263dc8: logic 128, phys. 385, len 8 [ 56.024016][ T614] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 56.051517][ T614] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.48: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.070150][ T614] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 114 with max blocks 2 with error 117 [ 56.082779][ T614] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.082779][ T614] [ 56.093153][ T614] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.48: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.111578][ T614] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 2: ext4_ext_map_blocks returned -117 [ 56.167185][ T619] loop2: detected capacity change from 0 to 1024 [ 56.175008][ T619] EXT4-fs (loop2): Ignoring removed bh option [ 56.181169][ T619] EXT4-fs (loop2): Ignoring removed oldalloc option [ 56.187756][ T619] EXT4-fs (loop2): Ignoring removed nobh option [ 56.194207][ T619] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.211481][ T619] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 56.253097][ T619] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.49: Allocating blocks 497-513 which overlap fs metadata [ 56.267015][ T619] EXT4-fs (loop2): pa ffff88812a3ccf18: logic 128, phys. 385, len 8 [ 56.275017][ T619] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 56.303075][ T619] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.49: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.321684][ T619] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 56.321704][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.334397][ T619] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.334397][ T619] [ 56.352951][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 56.363212][ T619] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.49: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.376100][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 56.394674][ T619] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 56.558302][ T624] loop2: detected capacity change from 0 to 1024 [ 56.565463][ T624] EXT4-fs (loop2): Ignoring removed bh option [ 56.571745][ T624] EXT4-fs (loop2): Ignoring removed oldalloc option [ 56.578350][ T624] EXT4-fs (loop2): Ignoring removed nobh option [ 56.584631][ T624] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.601369][ T624] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 56.645992][ T624] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.50: Allocating blocks 497-513 which overlap fs metadata [ 56.660073][ T624] EXT4-fs (loop2): pa ffff888130825348: logic 128, phys. 385, len 8 [ 56.668086][ T624] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 56.692354][ T624] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.50: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.710776][ T624] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 96 with max blocks 1 with error 117 [ 56.710879][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.723489][ T624] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.723489][ T624] [ 56.742218][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 92: len 4: ext4_ext_map_blocks returned -117 [ 56.765347][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 56.886752][ T629] loop2: detected capacity change from 0 to 1024 [ 57.020663][ T629] EXT4-fs (loop2): Ignoring removed bh option [ 57.026790][ T629] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.033426][ T629] EXT4-fs (loop2): Ignoring removed nobh option [ 57.039761][ T629] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.061411][ T629] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 57.101538][ T629] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.51: Allocating blocks 497-513 which overlap fs metadata [ 57.115442][ T629] EXT4-fs (loop2): pa ffff88812a3f2150: logic 128, phys. 385, len 8 [ 57.123441][ T629] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 57.151548][ T629] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.51: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.169567][ T629] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 57.182267][ T629] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.182267][ T629] [ 57.192838][ T629] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.51: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.211367][ T629] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 57.280003][ T634] loop2: detected capacity change from 0 to 1024 [ 57.330708][ T634] EXT4-fs (loop2): Ignoring removed bh option [ 57.336814][ T634] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.343474][ T634] EXT4-fs (loop2): Ignoring removed nobh option [ 57.349713][ T634] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.371282][ T634] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 57.412391][ T634] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.52: Allocating blocks 497-513 which overlap fs metadata [ 57.426310][ T634] EXT4-fs (loop2): pa ffff88813080c5e8: logic 128, phys. 385, len 8 [ 57.434322][ T634] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 57.462299][ T634] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.52: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.480741][ T634] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 57.480749][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.493498][ T634] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.493498][ T634] [ 57.512724][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 57.535178][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 57.608934][ T639] loop2: detected capacity change from 0 to 1024 [ 57.648886][ T639] EXT4-fs (loop2): Ignoring removed bh option [ 57.655343][ T639] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.662011][ T639] EXT4-fs (loop2): Ignoring removed nobh option [ 57.668336][ T639] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.691400][ T639] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 57.744027][ T639] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.53: Allocating blocks 497-513 which overlap fs metadata [ 57.758007][ T639] EXT4-fs (loop2): pa ffff88813080cdc8: logic 128, phys. 385, len 8 [ 57.766172][ T639] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 57.793218][ T639] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.53: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 5, max 84(84), depth 0(0) [ 57.811091][ T639] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 57.823627][ T639] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.823627][ T639] [ 57.833627][ T639] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.53: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.852037][ T639] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 57.920967][ T644] loop2: detected capacity change from 0 to 1024 [ 57.982091][ T644] EXT4-fs (loop2): Ignoring removed bh option [ 57.988215][ T644] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.994856][ T644] EXT4-fs (loop2): Ignoring removed nobh option [ 58.001142][ T644] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.021493][ T644] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 58.062001][ T644] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.54: Allocating blocks 497-513 which overlap fs metadata [ 58.075971][ T644] EXT4-fs (loop2): pa ffff888130844738: logic 128, phys. 385, len 8 [ 58.084023][ T644] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 58.113425][ T644] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.54: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.131297][ T644] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 58.143761][ T644] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.143761][ T644] [ 58.153755][ T644] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.54: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.172179][ T644] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 58.237350][ T650] loop2: detected capacity change from 0 to 1024 [ 58.326324][ T650] EXT4-fs (loop2): Ignoring removed bh option [ 58.332470][ T650] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.339064][ T650] EXT4-fs (loop2): Ignoring removed nobh option [ 58.345337][ T650] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.361281][ T650] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 58.413085][ T650] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.55: Allocating blocks 497-513 which overlap fs metadata [ 58.427227][ T650] EXT4-fs (loop2): pa ffff8881308a7c78: logic 128, phys. 385, len 8 [ 58.435256][ T650] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 58.462066][ T650] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.55: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.480466][ T650] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 58.480493][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.493060][ T650] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.493060][ T650] [ 58.511880][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 58.521813][ T650] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.55: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.535192][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 58.565972][ T650] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 58.687668][ T655] EXT4-fs (loop2): Ignoring removed bh option [ 58.693919][ T655] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.700618][ T655] EXT4-fs (loop2): Ignoring removed nobh option [ 58.706857][ T655] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.721231][ T655] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 58.775371][ T655] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.56: Allocating blocks 497-513 which overlap fs metadata [ 58.789404][ T655] EXT4-fs (loop2): pa ffff8881308a7d20: logic 128, phys. 385, len 8 [ 58.797489][ T655] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 58.825613][ T655] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.56: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.843494][ T655] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 58.855975][ T655] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.855975][ T655] [ 58.866280][ T655] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.56: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.885022][ T655] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 59.043220][ T660] EXT4-fs (loop2): Ignoring removed bh option [ 59.049377][ T660] EXT4-fs (loop2): Ignoring removed oldalloc option [ 59.056020][ T660] EXT4-fs (loop2): Ignoring removed nobh option [ 59.062328][ T660] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.081435][ T660] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 59.124863][ T660] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.57: Allocating blocks 497-513 which overlap fs metadata [ 59.139001][ T660] EXT4-fs (loop2): pa ffff8881308c6000: logic 128, phys. 385, len 8 [ 59.147030][ T660] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 59.174237][ T660] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.57: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 59.192876][ T660] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 59.205652][ T660] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.205652][ T660] [ 59.216260][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 59.235122][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 59.248875][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 59.417510][ T665] EXT4-fs (loop2): Ignoring removed bh option [ 59.423766][ T665] EXT4-fs (loop2): Ignoring removed oldalloc option [ 59.430428][ T665] EXT4-fs (loop2): Ignoring removed nobh option [ 59.436678][ T665] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.451210][ T665] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 59.493691][ T665] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.58: Allocating blocks 497-513 which overlap fs metadata [ 59.507645][ T665] EXT4-fs (loop2): pa ffff8881308892a0: logic 128, phys. 385, len 8 [ 59.515664][ T665] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 59.543185][ T665] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.58: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 59.561600][ T665] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 114 with max blocks 2 with error 117 [ 59.574113][ T665] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.574113][ T665] [ 59.584415][ T665] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.58: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 59.602786][ T665] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 2: ext4_ext_map_blocks returned -117 [ 59.726625][ T670] EXT4-fs (loop2): Ignoring removed bh option [ 59.732944][ T670] EXT4-fs (loop2): Ignoring removed oldalloc option [ 59.739563][ T670] EXT4-fs (loop2): Ignoring removed nobh option [ 59.745870][ T670] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.761363][ T670] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 59.806027][ T670] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.59: Allocating blocks 497-513 which overlap fs metadata [ 59.819983][ T670] EXT4-fs (loop2): pa ffff8881308c61f8: logic 128, phys. 385, len 8 [ 59.827988][ T670] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 59.854657][ T670] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.59: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 59.872561][ T670] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 59.885091][ T670] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.885091][ T670] [ 59.895392][ T670] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.59: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 59.913823][ T670] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/18 12:12:59 executed programs: 45 [ 60.086735][ T675] EXT4-fs (loop2): Ignoring removed bh option [ 60.092902][ T675] EXT4-fs (loop2): Ignoring removed oldalloc option [ 60.099498][ T675] EXT4-fs (loop2): Ignoring removed nobh option [ 60.106048][ T675] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 60.121238][ T675] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 60.161207][ T675] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.60: Allocating blocks 497-513 which overlap fs metadata [ 60.175222][ T675] EXT4-fs (loop2): pa ffff888120f50f18: logic 128, phys. 385, len 8 [ 60.183259][ T675] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 60.209736][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 60.228598][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 103: len 1: ext4_ext_map_blocks returned -117 [ 60.228629][ T675] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.60: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 60.242376][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 60.261143][ T675] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 60.285718][ T675] EXT4-fs (loop2): This should not happen!! Data will be lost [ 60.285718][ T675] [ 60.296057][ T675] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.60: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 60.314433][ T675] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 60.410336][ T680] set_capacity_and_notify: 5 callbacks suppressed [ 60.410346][ T680] loop2: detected capacity change from 0 to 1024 [ 60.508949][ T680] EXT4-fs (loop2): Ignoring removed bh option [ 60.515093][ T680] EXT4-fs (loop2): Ignoring removed oldalloc option [ 60.521709][ T680] EXT4-fs (loop2): Ignoring removed nobh option [ 60.527951][ T680] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 60.541129][ T680] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 60.594114][ T680] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.61: Allocating blocks 497-513 which overlap fs metadata [ 60.608028][ T680] EXT4-fs (loop2): pa ffff8881308ff498: logic 128, phys. 385, len 8 [ 60.616124][ T680] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 60.641287][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 60.660041][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 99: len 1: ext4_ext_map_blocks returned -117 [ 60.660075][ T680] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.61: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 60.673756][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 60.692412][ T680] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 102 with max blocks 2 with error 117 [ 60.717191][ T680] EXT4-fs (loop2): This should not happen!! Data will be lost [ 60.717191][ T680] [ 60.727575][ T680] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.61: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 60.745995][ T680] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 2: ext4_ext_map_blocks returned -117 [ 60.836939][ T685] loop2: detected capacity change from 0 to 1024 [ 60.882646][ T685] EXT4-fs (loop2): Ignoring removed bh option [ 60.888810][ T685] EXT4-fs (loop2): Ignoring removed oldalloc option [ 60.895508][ T685] EXT4-fs (loop2): Ignoring removed nobh option [ 60.901792][ T685] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 60.921470][ T685] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 60.966765][ T685] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.62: Allocating blocks 497-513 which overlap fs metadata [ 60.980895][ T685] EXT4-fs (loop2): pa ffff88813093ab28: logic 128, phys. 385, len 8 [ 60.988885][ T685] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 61.017909][ T685] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.62: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.036355][ T685] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 61.049017][ T685] EXT4-fs (loop2): This should not happen!! Data will be lost [ 61.049017][ T685] [ 61.059497][ T685] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.62: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.077971][ T685] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 61.147225][ T690] loop2: detected capacity change from 0 to 1024 [ 61.203124][ T690] EXT4-fs (loop2): Ignoring removed bh option [ 61.209280][ T690] EXT4-fs (loop2): Ignoring removed oldalloc option [ 61.215965][ T690] EXT4-fs (loop2): Ignoring removed nobh option [ 61.222264][ T690] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 61.241351][ T690] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 61.282627][ T690] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.63: Allocating blocks 497-513 which overlap fs metadata [ 61.296802][ T690] EXT4-fs (loop2): pa ffff888130951348: logic 128, phys. 385, len 8 [ 61.304823][ T690] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 61.332973][ T690] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.63: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.351510][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.361143][ T690] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 61.370475][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 61.382778][ T690] EXT4-fs (loop2): This should not happen!! Data will be lost [ 61.382778][ T690] [ 61.396379][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 61.406569][ T690] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.63: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.436890][ T690] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 61.507164][ T695] loop2: detected capacity change from 0 to 1024 [ 61.577992][ T695] EXT4-fs (loop2): Ignoring removed bh option [ 61.584155][ T695] EXT4-fs (loop2): Ignoring removed oldalloc option [ 61.590809][ T695] EXT4-fs (loop2): Ignoring removed nobh option [ 61.597050][ T695] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 61.611261][ T695] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 61.654809][ T695] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.64: Allocating blocks 497-513 which overlap fs metadata [ 61.668793][ T695] EXT4-fs (loop2): pa ffff888130951c78: logic 128, phys. 385, len 8 [ 61.676813][ T695] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 61.705565][ T695] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.64: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.724024][ T695] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 61.724030][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.724154][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 61.736566][ T695] EXT4-fs (loop2): This should not happen!! Data will be lost [ 61.736566][ T695] [ 61.778503][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 61.899985][ T700] loop2: detected capacity change from 0 to 1024 [ 61.907871][ T700] EXT4-fs (loop2): Ignoring removed bh option [ 61.914183][ T700] EXT4-fs (loop2): Ignoring removed oldalloc option [ 61.920974][ T700] EXT4-fs (loop2): Ignoring removed nobh option [ 61.927227][ T700] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 61.941375][ T700] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 61.982071][ T700] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.65: Allocating blocks 497-513 which overlap fs metadata [ 61.996245][ T700] EXT4-fs (loop2): pa ffff888120f509d8: logic 128, phys. 385, len 8 [ 62.004273][ T700] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 62.031859][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.050626][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 62.050649][ T700] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.65: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.064519][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 62.082831][ T700] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 62.107635][ T700] EXT4-fs (loop2): This should not happen!! Data will be lost [ 62.107635][ T700] [ 62.118366][ T700] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.65: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.136743][ T700] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 62.209687][ T705] loop2: detected capacity change from 0 to 1024 [ 62.270430][ T705] EXT4-fs (loop2): Ignoring removed bh option [ 62.276534][ T705] EXT4-fs (loop2): Ignoring removed oldalloc option [ 62.283370][ T705] EXT4-fs (loop2): Ignoring removed nobh option [ 62.289633][ T705] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 62.311309][ T705] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 62.353766][ T705] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.66: Allocating blocks 497-513 which overlap fs metadata [ 62.367810][ T705] EXT4-fs (loop2): pa ffff8881309977e0: logic 128, phys. 385, len 8 [ 62.375835][ T705] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 62.402754][ T705] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.66: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.421250][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.430557][ T705] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 62.440509][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 62.452864][ T705] EXT4-fs (loop2): This should not happen!! Data will be lost [ 62.452864][ T705] [ 62.466385][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 62.567844][ T710] loop2: detected capacity change from 0 to 1024 [ 62.643029][ T710] EXT4-fs (loop2): Ignoring removed bh option [ 62.649176][ T710] EXT4-fs (loop2): Ignoring removed oldalloc option [ 62.655850][ T710] EXT4-fs (loop2): Ignoring removed nobh option [ 62.662131][ T710] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 62.681475][ T710] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 62.722636][ T710] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.67: Allocating blocks 497-513 which overlap fs metadata [ 62.736592][ T710] EXT4-fs (loop2): pa ffff888130980888: logic 128, phys. 385, len 8 [ 62.744636][ T710] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 62.773752][ T710] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.67: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.791858][ T710] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 62.804365][ T710] EXT4-fs (loop2): This should not happen!! Data will be lost [ 62.804365][ T710] [ 62.814445][ T710] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.67: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.832800][ T710] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 62.967600][ T715] loop2: detected capacity change from 0 to 1024 [ 63.025989][ T715] EXT4-fs (loop2): Ignoring removed bh option [ 63.032154][ T715] EXT4-fs (loop2): Ignoring removed oldalloc option [ 63.038747][ T715] EXT4-fs (loop2): Ignoring removed nobh option [ 63.045035][ T715] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 63.061213][ T715] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 63.102204][ T715] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.68: Allocating blocks 497-513 which overlap fs metadata [ 63.116397][ T715] EXT4-fs (loop2): pa ffff8881309d6348: logic 128, phys. 385, len 8 [ 63.124479][ T715] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 63.153659][ T715] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.68: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.171562][ T715] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 63.184053][ T715] EXT4-fs (loop2): This should not happen!! Data will be lost [ 63.184053][ T715] [ 63.194341][ T715] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.68: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.212779][ T715] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 63.306881][ T720] loop2: detected capacity change from 0 to 1024 [ 63.366489][ T720] EXT4-fs (loop2): Ignoring removed bh option [ 63.372755][ T720] EXT4-fs (loop2): Ignoring removed oldalloc option [ 63.379371][ T720] EXT4-fs (loop2): Ignoring removed nobh option [ 63.385669][ T720] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 63.401230][ T720] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 63.442933][ T720] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.69: Allocating blocks 497-513 which overlap fs metadata [ 63.457045][ T720] EXT4-fs (loop2): pa ffff8881309b3540: logic 128, phys. 385, len 8 [ 63.465138][ T720] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 63.492533][ T720] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.69: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.510937][ T720] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 63.523403][ T720] EXT4-fs (loop2): This should not happen!! Data will be lost [ 63.523403][ T720] [ 63.533442][ T720] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.69: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.551933][ T720] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 63.686661][ T725] loop2: detected capacity change from 0 to 1024 [ 63.757364][ T725] EXT4-fs (loop2): Ignoring removed bh option [ 63.763533][ T725] EXT4-fs (loop2): Ignoring removed oldalloc option [ 63.770168][ T725] EXT4-fs (loop2): Ignoring removed nobh option [ 63.776489][ T725] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 63.791311][ T725] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 63.833258][ T725] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.70: Allocating blocks 497-513 which overlap fs metadata [ 63.847169][ T725] EXT4-fs (loop2): pa ffff888130a10d20: logic 128, phys. 385, len 8 [ 63.855169][ T725] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 63.881177][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.899976][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 103: len 1: ext4_ext_map_blocks returned -117 [ 63.900000][ T725] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.70: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.913909][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 63.932217][ T725] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 106 with max blocks 2 with error 117 [ 63.957087][ T725] EXT4-fs (loop2): This should not happen!! Data will be lost [ 63.957087][ T725] [ 63.967526][ T725] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.70: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.985995][ T725] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 2: ext4_ext_map_blocks returned -117 [ 64.115509][ T730] EXT4-fs (loop2): Ignoring removed bh option [ 64.121910][ T730] EXT4-fs (loop2): Ignoring removed oldalloc option [ 64.128552][ T730] EXT4-fs (loop2): Ignoring removed nobh option [ 64.134919][ T730] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 64.151369][ T730] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 64.193074][ T730] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.71: Allocating blocks 497-513 which overlap fs metadata [ 64.206976][ T730] EXT4-fs (loop2): pa ffff88812a023888: logic 128, phys. 385, len 8 [ 64.215027][ T730] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 64.243921][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 64.262713][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 64.262745][ T730] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.71: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 64.276707][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 64.294885][ T730] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 64.319851][ T730] EXT4-fs (loop2): This should not happen!! Data will be lost [ 64.319851][ T730] [ 64.330353][ T730] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.71: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 64.348700][ T730] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 64.547126][ T735] EXT4-fs (loop2): Ignoring removed bh option [ 64.553297][ T735] EXT4-fs (loop2): Ignoring removed oldalloc option [ 64.559898][ T735] EXT4-fs (loop2): Ignoring removed nobh option [ 64.566453][ T735] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 64.581320][ T735] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 64.621733][ T735] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.72: Allocating blocks 497-513 which overlap fs metadata [ 64.635677][ T735] EXT4-fs (loop2): pa ffff888130a10e70: logic 128, phys. 385, len 8 [ 64.643693][ T735] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 64.672440][ T735] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.72: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 64.690410][ T735] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 64.702980][ T735] EXT4-fs (loop2): This should not happen!! Data will be lost [ 64.702980][ T735] [ 64.713307][ T735] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.72: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 64.731929][ T735] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 64.874699][ T740] EXT4-fs (loop2): Ignoring removed bh option [ 64.880881][ T740] EXT4-fs (loop2): Ignoring removed oldalloc option [ 64.887482][ T740] EXT4-fs (loop2): Ignoring removed nobh option [ 64.894037][ T740] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 64.911275][ T740] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 64.951539][ T740] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.73: Allocating blocks 497-513 which overlap fs metadata [ 64.965466][ T740] EXT4-fs (loop2): pa ffff88812a0235e8: logic 128, phys. 385, len 8 [ 64.973568][ T740] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 65.000675][ T740] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.73: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.018566][ T740] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 65.031224][ T740] EXT4-fs (loop2): This should not happen!! Data will be lost [ 65.031224][ T740] [ 65.041717][ T740] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.73: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.060120][ T740] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/18 12:13:04 executed programs: 59 [ 65.190596][ T745] EXT4-fs (loop2): Ignoring removed bh option [ 65.196714][ T745] EXT4-fs (loop2): Ignoring removed oldalloc option [ 65.203368][ T745] EXT4-fs (loop2): Ignoring removed nobh option [ 65.209607][ T745] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 65.231159][ T745] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 65.282860][ T745] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.74: Allocating blocks 497-513 which overlap fs metadata [ 65.296832][ T745] EXT4-fs (loop2): pa ffff888130a28540: logic 128, phys. 385, len 8 [ 65.304846][ T745] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 65.332214][ T745] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.74: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.350749][ T745] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 114 with max blocks 2 with error 117 [ 65.363390][ T745] EXT4-fs (loop2): This should not happen!! Data will be lost [ 65.363390][ T745] [ 65.373753][ T745] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.74: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.392134][ T745] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 2: ext4_ext_map_blocks returned -117 [ 65.451460][ T750] set_capacity_and_notify: 4 callbacks suppressed [ 65.451470][ T750] loop2: detected capacity change from 0 to 1024 [ 65.498389][ T750] EXT4-fs (loop2): Ignoring removed bh option [ 65.504539][ T750] EXT4-fs (loop2): Ignoring removed oldalloc option [ 65.511181][ T750] EXT4-fs (loop2): Ignoring removed nobh option [ 65.517551][ T750] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 65.531397][ T750] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 65.573109][ T750] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.75: Allocating blocks 497-513 which overlap fs metadata [ 65.587022][ T750] EXT4-fs (loop2): pa ffff888130a63738: logic 128, phys. 385, len 8 [ 65.595031][ T750] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 65.623137][ T750] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.75: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.641557][ T750] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 65.654041][ T750] EXT4-fs (loop2): This should not happen!! Data will be lost [ 65.654041][ T750] [ 65.664131][ T750] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.75: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.682462][ T750] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 65.807575][ T755] loop2: detected capacity change from 0 to 1024 [ 65.906722][ T755] EXT4-fs (loop2): Ignoring removed bh option [ 65.912872][ T755] EXT4-fs (loop2): Ignoring removed oldalloc option [ 65.919602][ T755] EXT4-fs (loop2): Ignoring removed nobh option [ 65.925914][ T755] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 65.941170][ T755] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 65.981108][ T755] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.76: Allocating blocks 497-513 which overlap fs metadata [ 65.994986][ T755] EXT4-fs (loop2): pa ffff88812a1f3a80: logic 128, phys. 385, len 8 [ 66.002993][ T755] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 66.031424][ T755] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.76: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.049362][ T755] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 66.061872][ T755] EXT4-fs (loop2): This should not happen!! Data will be lost [ 66.061872][ T755] [ 66.072457][ T755] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.76: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.090856][ T755] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 66.157143][ T760] loop2: detected capacity change from 0 to 1024 [ 66.207051][ T760] EXT4-fs (loop2): Ignoring removed bh option [ 66.213193][ T760] EXT4-fs (loop2): Ignoring removed oldalloc option [ 66.219785][ T760] EXT4-fs (loop2): Ignoring removed nobh option [ 66.226068][ T760] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 66.241217][ T760] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 66.281188][ T760] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.77: Allocating blocks 497-513 which overlap fs metadata [ 66.295106][ T760] EXT4-fs (loop2): pa ffff88810d13b540: logic 128, phys. 385, len 8 [ 66.303105][ T760] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 66.330969][ T760] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.77: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.348823][ T760] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 66.361293][ T760] EXT4-fs (loop2): This should not happen!! Data will be lost [ 66.361293][ T760] [ 66.371272][ T760] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.77: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.389760][ T760] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 66.457381][ T765] loop2: detected capacity change from 0 to 1024 [ 66.497056][ T765] EXT4-fs (loop2): Ignoring removed bh option [ 66.503196][ T765] EXT4-fs (loop2): Ignoring removed oldalloc option [ 66.509787][ T765] EXT4-fs (loop2): Ignoring removed nobh option [ 66.516149][ T765] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 66.531205][ T765] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 66.574347][ T765] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.78: Allocating blocks 497-513 which overlap fs metadata [ 66.588900][ T765] EXT4-fs (loop2): pa ffff888130a7e3f0: logic 128, phys. 385, len 8 [ 66.596998][ T765] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 66.625105][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.643945][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 113: len 3: ext4_ext_map_blocks returned -117 [ 66.643977][ T765] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.78: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.657913][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 66.676080][ T765] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 66.700979][ T765] EXT4-fs (loop2): This should not happen!! Data will be lost [ 66.700979][ T765] [ 66.711501][ T765] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.78: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.729901][ T765] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 66.801587][ T770] loop2: detected capacity change from 0 to 1024 [ 66.860614][ T770] EXT4-fs (loop2): Ignoring removed bh option [ 66.866715][ T770] EXT4-fs (loop2): Ignoring removed oldalloc option [ 66.873429][ T770] EXT4-fs (loop2): Ignoring removed nobh option [ 66.879673][ T770] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 66.901364][ T770] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 66.943580][ T770] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.79: Allocating blocks 497-513 which overlap fs metadata [ 66.957505][ T770] EXT4-fs (loop2): pa ffff888120f6f7e0: logic 128, phys. 385, len 8 [ 66.965519][ T770] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 66.994395][ T770] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.79: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.012846][ T770] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 67.025345][ T770] EXT4-fs (loop2): This should not happen!! Data will be lost [ 67.025345][ T770] [ 67.035977][ T770] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.79: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.054736][ T770] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 67.127376][ T775] loop2: detected capacity change from 0 to 1024 [ 67.183110][ T775] EXT4-fs (loop2): Ignoring removed bh option [ 67.189240][ T775] EXT4-fs (loop2): Ignoring removed oldalloc option [ 67.195883][ T775] EXT4-fs (loop2): Ignoring removed nobh option [ 67.202144][ T775] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 67.221405][ T775] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 67.274911][ T775] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.80: Allocating blocks 497-513 which overlap fs metadata [ 67.289029][ T775] EXT4-fs (loop2): pa ffff88812a1f3930: logic 128, phys. 385, len 8 [ 67.297165][ T775] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 67.325540][ T775] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.80: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.343428][ T775] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 67.356418][ T775] EXT4-fs (loop2): This should not happen!! Data will be lost [ 67.356418][ T775] [ 67.366760][ T775] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.80: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.385378][ T775] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 67.457915][ T780] loop2: detected capacity change from 0 to 1024 [ 67.498049][ T780] EXT4-fs (loop2): Ignoring removed bh option [ 67.504187][ T780] EXT4-fs (loop2): Ignoring removed oldalloc option [ 67.510883][ T780] EXT4-fs (loop2): Ignoring removed nobh option [ 67.517132][ T780] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 67.554116][ T780] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.81: Allocating blocks 497-513 which overlap fs metadata [ 67.568095][ T780] EXT4-fs (loop2): pa ffff888112e1a000: logic 128, phys. 385, len 8 [ 67.576116][ T780] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 67.602605][ T780] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.81: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 5, max 84(84), depth 0(0) [ 67.620817][ T780] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 67.633515][ T780] EXT4-fs (loop2): This should not happen!! Data will be lost [ 67.633515][ T780] [ 67.644021][ T780] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.81: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.662466][ T780] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 67.766752][ T785] loop2: detected capacity change from 0 to 1024 [ 67.835261][ T785] EXT4-fs (loop2): Ignoring removed bh option [ 67.841536][ T785] EXT4-fs (loop2): Ignoring removed oldalloc option [ 67.848219][ T785] EXT4-fs (loop2): Ignoring removed nobh option [ 67.854496][ T785] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 67.892129][ T785] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.82: Allocating blocks 497-513 which overlap fs metadata [ 67.906217][ T785] EXT4-fs (loop2): pa ffff888120f6f0a8: logic 128, phys. 385, len 8 [ 67.914223][ T785] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 67.940828][ T785] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.82: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.959708][ T785] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 67.972579][ T785] EXT4-fs (loop2): This should not happen!! Data will be lost [ 67.972579][ T785] [ 67.982943][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 68.002029][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 68.016027][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 68.140228][ T791] loop2: detected capacity change from 0 to 1024 [ 68.148085][ T791] EXT4-fs (loop2): Ignoring removed bh option [ 68.154219][ T791] EXT4-fs (loop2): Ignoring removed oldalloc option [ 68.160888][ T791] EXT4-fs (loop2): Ignoring removed nobh option [ 68.167135][ T791] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 68.203790][ T791] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.83: Allocating blocks 497-513 which overlap fs metadata [ 68.218310][ T791] EXT4-fs (loop2): pa ffff888130aa8738: logic 128, phys. 385, len 8 [ 68.226438][ T791] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 68.255072][ T791] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.83: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 68.273826][ T791] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 68.286660][ T791] EXT4-fs (loop2): This should not happen!! Data will be lost [ 68.286660][ T791] [ 68.297208][ T791] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.83: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 68.315677][ T791] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 68.450465][ T796] loop2: detected capacity change from 0 to 1024 [ 68.510376][ T796] EXT4-fs (loop2): Ignoring removed bh option [ 68.516512][ T796] EXT4-fs (loop2): Ignoring removed oldalloc option [ 68.523220][ T796] EXT4-fs (loop2): Ignoring removed nobh option [ 68.529724][ T796] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 68.580557][ T796] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.84: Allocating blocks 497-513 which overlap fs metadata [ 68.594652][ T796] EXT4-fs (loop2): pa ffff88812a21ef18: logic 128, phys. 385, len 8 [ 68.602721][ T796] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 68.630386][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 68.649701][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 111: len 1: ext4_ext_map_blocks returned -117 [ 68.649741][ T796] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.84: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 68.663737][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 68.681799][ T796] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 68.706687][ T796] EXT4-fs (loop2): This should not happen!! Data will be lost [ 68.706687][ T796] [ 68.716997][ T796] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.84: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 68.735367][ T796] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 68.927224][ T801] EXT4-fs (loop2): Ignoring removed bh option [ 68.933388][ T801] EXT4-fs (loop2): Ignoring removed oldalloc option [ 68.940002][ T801] EXT4-fs (loop2): Ignoring removed nobh option [ 68.946423][ T801] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 68.997788][ T801] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.85: Allocating blocks 497-513 which overlap fs metadata [ 69.012211][ T801] EXT4-fs (loop2): pa ffff888130ab05e8: logic 128, phys. 385, len 8 [ 69.020344][ T801] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 69.047090][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.065889][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 107: len 1: ext4_ext_map_blocks returned -117 [ 69.070448][ T801] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.85: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.079768][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 69.098758][ T801] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 69.123197][ T801] EXT4-fs (loop2): This should not happen!! Data will be lost [ 69.123197][ T801] [ 69.133480][ T801] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.85: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.151860][ T801] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 69.290691][ T807] EXT4-fs (loop2): Ignoring removed bh option [ 69.296869][ T807] EXT4-fs (loop2): Ignoring removed oldalloc option [ 69.303824][ T807] EXT4-fs (loop2): Ignoring removed nobh option [ 69.310097][ T807] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 69.362899][ T807] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.86: Allocating blocks 497-513 which overlap fs metadata [ 69.376828][ T807] EXT4-fs (loop2): pa ffff88812a23d540: logic 128, phys. 385, len 8 [ 69.384837][ T807] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 69.409991][ T807] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.86: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.428533][ T807] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 103 with max blocks 1 with error 117 [ 69.441000][ T807] EXT4-fs (loop2): This should not happen!! Data will be lost [ 69.441000][ T807] [ 69.451020][ T807] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.86: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.469737][ T807] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 3: ext4_ext_map_blocks returned -117 [ 69.582166][ T812] EXT4-fs (loop2): Ignoring removed bh option [ 69.588333][ T812] EXT4-fs (loop2): Ignoring removed oldalloc option [ 69.594981][ T812] EXT4-fs (loop2): Ignoring removed nobh option [ 69.601300][ T812] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 69.640354][ T812] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.87: Allocating blocks 497-513 which overlap fs metadata [ 69.654624][ T812] EXT4-fs (loop2): pa ffff888130ab0348: logic 128, phys. 385, len 8 [ 69.662758][ T812] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 69.691859][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.710974][ T812] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.87: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.729296][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 110: len 2: ext4_ext_map_blocks returned -117 [ 69.729728][ T812] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 115 with max blocks 1 with error 117 [ 69.743305][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 69.755919][ T812] EXT4-fs (loop2): This should not happen!! Data will be lost [ 69.755919][ T812] [ 69.778776][ T812] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.87: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.797478][ T812] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 3: ext4_ext_map_blocks returned -117 [ 69.946592][ T817] EXT4-fs (loop2): Ignoring removed bh option [ 69.953355][ T817] EXT4-fs (loop2): Ignoring removed oldalloc option [ 69.961316][ T817] EXT4-fs (loop2): Ignoring removed nobh option [ 69.967892][ T817] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 70.021861][ T817] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.88: Allocating blocks 497-513 which overlap fs metadata [ 70.038415][ T817] EXT4-fs (loop2): pa ffff888120cdce70: logic 128, phys. 385, len 8 [ 70.047774][ T817] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 70.077150][ T817] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.88: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.095523][ T817] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 70.108914][ T817] EXT4-fs (loop2): This should not happen!! Data will be lost [ 70.108914][ T817] 2026/03/18 12:13:09 executed programs: 74 [ 70.120106][ T817] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.88: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.139985][ T817] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 70.286730][ T822] EXT4-fs (loop2): Ignoring removed bh option [ 70.292972][ T822] EXT4-fs (loop2): Ignoring removed oldalloc option [ 70.299593][ T822] EXT4-fs (loop2): Ignoring removed nobh option [ 70.305898][ T822] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 70.352660][ T822] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.89: Allocating blocks 497-513 which overlap fs metadata [ 70.366647][ T822] EXT4-fs (loop2): pa ffff888120c0de70: logic 128, phys. 385, len 8 [ 70.374670][ T822] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 70.401046][ T822] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.89: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.419640][ T822] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 70.432139][ T822] EXT4-fs (loop2): This should not happen!! Data will be lost [ 70.432139][ T822] [ 70.442159][ T822] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.89: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.460589][ T822] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 70.527317][ T827] set_capacity_and_notify: 5 callbacks suppressed [ 70.527327][ T827] loop2: detected capacity change from 0 to 1024 [ 70.563155][ T827] EXT4-fs (loop2): Ignoring removed bh option [ 70.569269][ T827] EXT4-fs (loop2): Ignoring removed oldalloc option [ 70.575910][ T827] EXT4-fs (loop2): Ignoring removed nobh option [ 70.582170][ T827] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 70.620813][ T827] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.90: Allocating blocks 497-513 which overlap fs metadata [ 70.635048][ T827] EXT4-fs (loop2): pa ffff888120c0d150: logic 128, phys. 385, len 8 [ 70.643131][ T827] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 70.671245][ T827] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.90: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.689771][ T827] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 107 with max blocks 1 with error 117 [ 70.689793][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.702510][ T827] EXT4-fs (loop2): This should not happen!! Data will be lost [ 70.702510][ T827] [ 70.721115][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 103: len 1: ext4_ext_map_blocks returned -117 [ 70.731401][ T827] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.90: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.745608][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 70.775581][ T827] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 3: ext4_ext_map_blocks returned -117 [ 70.857513][ T832] loop2: detected capacity change from 0 to 1024 [ 70.907664][ T832] EXT4-fs (loop2): Ignoring removed bh option [ 70.913914][ T832] EXT4-fs (loop2): Ignoring removed oldalloc option [ 70.920706][ T832] EXT4-fs (loop2): Ignoring removed nobh option [ 70.926948][ T832] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 70.970391][ T832] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.91: Allocating blocks 497-513 which overlap fs metadata [ 70.984471][ T832] EXT4-fs (loop2): pa ffff88812a32c888: logic 128, phys. 385, len 8 [ 70.992482][ T832] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 71.019315][ T832] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.91: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 71.037948][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 71.040463][ T832] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 71.057553][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 71.069070][ T832] EXT4-fs (loop2): This should not happen!! Data will be lost [ 71.069070][ T832] [ 71.082702][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 71.207841][ T837] loop2: detected capacity change from 0 to 1024 [ 71.268407][ T837] EXT4-fs (loop2): Ignoring removed bh option [ 71.274543][ T837] EXT4-fs (loop2): Ignoring removed oldalloc option [ 71.281257][ T837] EXT4-fs (loop2): Ignoring removed nobh option [ 71.287494][ T837] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 71.328194][ T837] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.92: Allocating blocks 497-513 which overlap fs metadata [ 71.342224][ T837] EXT4-fs (loop2): pa ffff888112da97e0: logic 128, phys. 385, len 8 [ 71.350238][ T837] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 71.376764][ T837] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.92: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 71.395185][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 71.395364][ T837] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 104 with max blocks 8 with error 117 [ 71.419609][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 71.426202][ T837] EXT4-fs (loop2): This should not happen!! Data will be lost [ 71.426202][ T837] [ 71.440135][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 71.577935][ T842] loop2: detected capacity change from 0 to 1024 [ 71.587047][ T842] EXT4-fs (loop2): Ignoring removed bh option [ 71.593204][ T842] EXT4-fs (loop2): Ignoring removed oldalloc option [ 71.599815][ T842] EXT4-fs (loop2): Ignoring removed nobh option [ 71.606191][ T842] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 71.643855][ T842] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.93: Allocating blocks 497-513 which overlap fs metadata [ 71.658033][ T842] EXT4-fs (loop2): pa ffff88812a29ce70: logic 128, phys. 385, len 8 [ 71.666057][ T842] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 71.695219][ T842] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.93: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 71.713772][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 71.730298][ T842] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 71.732901][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 71.744875][ T842] EXT4-fs (loop2): This should not happen!! Data will be lost [ 71.744875][ T842] [ 71.758841][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 71.769960][ T842] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.93: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 71.799676][ T842] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 71.890630][ T847] loop2: detected capacity change from 0 to 1024 [ 71.949945][ T847] EXT4-fs (loop2): Ignoring removed bh option [ 71.956175][ T847] EXT4-fs (loop2): Ignoring removed oldalloc option [ 71.962947][ T847] EXT4-fs (loop2): Ignoring removed nobh option [ 71.969188][ T847] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 72.017955][ T847] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.94: Allocating blocks 497-513 which overlap fs metadata [ 72.032076][ T847] EXT4-fs (loop2): pa ffff88812a1dfb28: logic 128, phys. 385, len 8 [ 72.040051][ T847] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 72.066182][ T847] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.94: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.084592][ T847] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 102 with max blocks 2 with error 117 [ 72.084624][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.097275][ T847] EXT4-fs (loop2): This should not happen!! Data will be lost [ 72.097275][ T847] [ 72.116147][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 72.126434][ T847] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.94: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.157493][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 72.170398][ T847] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 2: ext4_ext_map_blocks returned -117 [ 72.247333][ T852] loop2: detected capacity change from 0 to 1024 [ 72.295477][ T852] EXT4-fs (loop2): Ignoring removed bh option [ 72.301648][ T852] EXT4-fs (loop2): Ignoring removed oldalloc option [ 72.308267][ T852] EXT4-fs (loop2): Ignoring removed nobh option [ 72.314573][ T852] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 72.351250][ T852] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.95: Allocating blocks 497-513 which overlap fs metadata [ 72.365203][ T852] EXT4-fs (loop2): pa ffff888112f4b5e8: logic 128, phys. 385, len 8 [ 72.373204][ T852] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 72.399414][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.418178][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 72.418196][ T852] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.95: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.440374][ T852] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 72.450124][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 72.462748][ T852] EXT4-fs (loop2): This should not happen!! Data will be lost [ 72.462748][ T852] [ 72.485641][ T852] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.95: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.504033][ T852] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 72.567561][ T857] loop2: detected capacity change from 0 to 1024 [ 72.625613][ T857] EXT4-fs (loop2): Ignoring removed bh option [ 72.631781][ T857] EXT4-fs (loop2): Ignoring removed oldalloc option [ 72.638401][ T857] EXT4-fs (loop2): Ignoring removed nobh option [ 72.644695][ T857] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 72.689463][ T857] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.96: Allocating blocks 497-513 which overlap fs metadata [ 72.703592][ T857] EXT4-fs (loop2): pa ffff88812a34e7e0: logic 128, phys. 385, len 8 [ 72.711616][ T857] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 72.739954][ T857] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.96: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.758426][ T857] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 72.770958][ T857] EXT4-fs (loop2): This should not happen!! Data will be lost [ 72.770958][ T857] [ 72.781363][ T857] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.96: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 72.799801][ T857] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 72.868066][ T862] loop2: detected capacity change from 0 to 1024 [ 72.927678][ T862] EXT4-fs (loop2): Ignoring removed bh option [ 72.933819][ T862] EXT4-fs (loop2): Ignoring removed oldalloc option [ 72.940454][ T862] EXT4-fs (loop2): Ignoring removed nobh option [ 72.946690][ T862] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 72.994568][ T862] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.97: Allocating blocks 497-513 which overlap fs metadata [ 73.008760][ T862] EXT4-fs (loop2): pa ffff88812a34e888: logic 128, phys. 385, len 8 [ 73.016952][ T862] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 73.042467][ T862] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.97: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.065030][ T862] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 73.065048][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.077485][ T862] EXT4-fs (loop2): This should not happen!! Data will be lost [ 73.077485][ T862] [ 73.106186][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 73.107151][ T862] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.97: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.120053][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 73.138173][ T862] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 [ 73.287069][ T868] loop2: detected capacity change from 0 to 1024 [ 73.335204][ T868] EXT4-fs (loop2): Ignoring removed bh option [ 73.341477][ T868] EXT4-fs (loop2): Ignoring removed oldalloc option [ 73.348100][ T868] EXT4-fs (loop2): Ignoring removed nobh option [ 73.354375][ T868] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 73.389744][ T868] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.98: Allocating blocks 497-513 which overlap fs metadata [ 73.403683][ T868] EXT4-fs (loop2): pa ffff888112d203f0: logic 128, phys. 385, len 8 [ 73.411699][ T868] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 73.439771][ T466] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 5, max 84(84), depth 0(0) [ 73.457987][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 119: len 1: ext4_ext_map_blocks returned -117 [ 73.458033][ T868] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.98: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.472109][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 73.490355][ T868] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 121 with max blocks 3 with error 117 [ 73.515877][ T868] EXT4-fs (loop2): This should not happen!! Data will be lost [ 73.515877][ T868] [ 73.526291][ T868] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.98: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.544201][ T868] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.98: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.562093][ T868] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 120: len 1: ext4_ext_map_blocks returned -117 [ 73.637205][ T873] loop2: detected capacity change from 0 to 1024 [ 73.683104][ T873] EXT4-fs (loop2): Ignoring removed bh option [ 73.689256][ T873] EXT4-fs (loop2): Ignoring removed oldalloc option [ 73.695939][ T873] EXT4-fs (loop2): Ignoring removed nobh option [ 73.702228][ T873] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 73.739598][ T873] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.99: Allocating blocks 497-513 which overlap fs metadata [ 73.757511][ T873] EXT4-fs (loop2): pa ffff888112f0c690: logic 128, phys. 385, len 8 [ 73.765548][ T873] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 73.794234][ T873] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.99: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.812103][ T873] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 73.824602][ T873] EXT4-fs (loop2): This should not happen!! Data will be lost [ 73.824602][ T873] [ 73.835142][ T873] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.99: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 73.853608][ T873] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 74.017265][ T878] EXT4-fs (loop2): Ignoring removed bh option [ 74.023537][ T878] EXT4-fs (loop2): Ignoring removed oldalloc option [ 74.030148][ T878] EXT4-fs (loop2): Ignoring removed nobh option [ 74.036442][ T878] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 74.072697][ T878] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.100: Allocating blocks 497-513 which overlap fs metadata [ 74.086895][ T878] EXT4-fs (loop2): pa ffff88812a38edc8: logic 128, phys. 385, len 8 [ 74.094905][ T878] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 74.121244][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 74.140071][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 107: len 1: ext4_ext_map_blocks returned -117 [ 74.140253][ T878] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.100: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 74.154134][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 74.172963][ T878] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 74.197303][ T878] EXT4-fs (loop2): This should not happen!! Data will be lost [ 74.197303][ T878] [ 74.207614][ T878] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.100: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 74.226063][ T878] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 74.320501][ T883] EXT4-fs (loop2): Ignoring removed bh option [ 74.326602][ T883] EXT4-fs (loop2): Ignoring removed oldalloc option [ 74.333965][ T883] EXT4-fs (loop2): Ignoring removed nobh option [ 74.340429][ T883] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 74.381464][ T883] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.101: Allocating blocks 497-513 which overlap fs metadata [ 74.395535][ T883] EXT4-fs (loop2): pa ffff88812a3723f0: logic 128, phys. 385, len 8 [ 74.403536][ T883] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 74.432229][ T883] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.101: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 74.450455][ T883] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 74.463052][ T883] EXT4-fs (loop2): This should not happen!! Data will be lost [ 74.463052][ T883] [ 74.473603][ T883] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.101: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 74.492292][ T883] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 74.622630][ T888] EXT4-fs (loop2): Ignoring removed bh option [ 74.628749][ T888] EXT4-fs (loop2): Ignoring removed oldalloc option [ 74.635396][ T888] EXT4-fs (loop2): Ignoring removed nobh option [ 74.641921][ T888] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 74.687757][ T888] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.102: Allocating blocks 497-513 which overlap fs metadata [ 74.701958][ T888] EXT4-fs (loop2): pa ffff888112ec7b28: logic 128, phys. 385, len 8 [ 74.710036][ T888] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 74.739053][ T888] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.102: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 74.757190][ T888] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 74.769771][ T888] EXT4-fs (loop2): This should not happen!! Data will be lost [ 74.769771][ T888] [ 74.780341][ T888] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.102: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 74.798808][ T888] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 74.977918][ T893] EXT4-fs (loop2): Ignoring removed bh option [ 74.984138][ T893] EXT4-fs (loop2): Ignoring removed oldalloc option [ 74.991076][ T893] EXT4-fs (loop2): Ignoring removed nobh option [ 74.997321][ T893] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 75.011277][ T893] EXT4-fs mount: 22 callbacks suppressed [ 75.011287][ T893] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 75.059303][ T893] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.103: Allocating blocks 497-513 which overlap fs metadata [ 75.080490][ T893] EXT4-fs (loop2): pa ffff88812a38e498: logic 128, phys. 385, len 8 [ 75.088481][ T893] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 75.114577][ T893] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.103: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 75.133379][ T893] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 75.145930][ T893] EXT4-fs (loop2): This should not happen!! Data will be lost [ 75.145930][ T893] [ 75.156079][ T893] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.103: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) 2026/03/18 12:13:14 executed programs: 89 [ 75.174531][ T893] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 75.368337][ T898] EXT4-fs (loop2): Ignoring removed bh option [ 75.374499][ T898] EXT4-fs (loop2): Ignoring removed oldalloc option [ 75.381130][ T898] EXT4-fs (loop2): Ignoring removed nobh option [ 75.387476][ T898] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 75.401254][ T898] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 75.444346][ T898] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.104: Allocating blocks 497-513 which overlap fs metadata [ 75.458354][ T898] EXT4-fs (loop2): pa ffff88812a3b11f8: logic 128, phys. 385, len 8 [ 75.466370][ T898] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 75.494760][ T898] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.104: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 75.513435][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 75.520392][ T898] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 75.544533][ T898] EXT4-fs (loop2): This should not happen!! Data will be lost [ 75.544533][ T898] [ 75.544972][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 75.567956][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 75.688092][ T903] set_capacity_and_notify: 5 callbacks suppressed [ 75.688106][ T903] loop2: detected capacity change from 0 to 1024 [ 75.741680][ T903] EXT4-fs (loop2): Ignoring removed bh option [ 75.747900][ T903] EXT4-fs (loop2): Ignoring removed oldalloc option [ 75.754602][ T903] EXT4-fs (loop2): Ignoring removed nobh option [ 75.760951][ T903] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 75.781558][ T903] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 75.821731][ T903] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.105: Allocating blocks 497-513 which overlap fs metadata [ 75.835771][ T903] EXT4-fs (loop2): pa ffff88812a201b28: logic 128, phys. 385, len 8 [ 75.843911][ T903] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 75.873286][ T903] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.105: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 75.891297][ T903] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 75.903777][ T903] EXT4-fs (loop2): This should not happen!! Data will be lost [ 75.903777][ T903] [ 75.913884][ T903] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.105: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 75.932746][ T903] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 76.049442][ T908] loop2: detected capacity change from 0 to 1024 [ 76.089460][ T908] EXT4-fs (loop2): Ignoring removed bh option [ 76.095626][ T908] EXT4-fs (loop2): Ignoring removed oldalloc option [ 76.102351][ T908] EXT4-fs (loop2): Ignoring removed nobh option [ 76.108601][ T908] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 76.131470][ T908] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 76.184848][ T908] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.106: Allocating blocks 497-513 which overlap fs metadata [ 76.198900][ T908] EXT4-fs (loop2): pa ffff88812a3b19d8: logic 128, phys. 385, len 8 [ 76.207013][ T908] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 76.236252][ T908] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.106: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 76.254275][ T908] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 76.254323][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 76.266926][ T908] EXT4-fs (loop2): This should not happen!! Data will be lost [ 76.266926][ T908] [ 76.285515][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 76.295949][ T908] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.106: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 76.308821][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 76.327556][ T908] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 76.489144][ T913] loop2: detected capacity change from 0 to 1024 [ 76.563236][ T913] EXT4-fs (loop2): Ignoring removed bh option [ 76.569475][ T913] EXT4-fs (loop2): Ignoring removed oldalloc option [ 76.576122][ T913] EXT4-fs (loop2): Ignoring removed nobh option [ 76.582423][ T913] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 76.601621][ T913] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 76.644759][ T913] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.107: Allocating blocks 497-513 which overlap fs metadata [ 76.658993][ T913] EXT4-fs (loop2): pa ffff88812a3cc0a8: logic 128, phys. 385, len 8 [ 76.667011][ T913] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 76.693739][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 76.712617][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 102: len 2: ext4_ext_map_blocks returned -117 [ 76.712640][ T913] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.107: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 76.726375][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 76.745097][ T913] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 76.769744][ T913] EXT4-fs (loop2): This should not happen!! Data will be lost [ 76.769744][ T913] [ 76.780066][ T913] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.107: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 76.798690][ T913] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 76.873806][ T919] loop2: detected capacity change from 0 to 1024 [ 76.993742][ T919] EXT4-fs (loop2): Ignoring removed bh option [ 76.999883][ T919] EXT4-fs (loop2): Ignoring removed oldalloc option [ 77.006530][ T919] EXT4-fs (loop2): Ignoring removed nobh option [ 77.012783][ T919] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 77.031416][ T919] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 77.073488][ T919] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.108: Allocating blocks 497-513 which overlap fs metadata [ 77.087553][ T919] EXT4-fs (loop2): pa ffff88812a263a80: logic 128, phys. 385, len 8 [ 77.095567][ T919] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 77.123384][ T919] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.108: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 77.141877][ T919] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 77.141904][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 77.154460][ T919] EXT4-fs (loop2): This should not happen!! Data will be lost [ 77.154460][ T919] [ 77.173215][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 77.183294][ T919] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.108: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 77.196347][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 77.227916][ T919] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 77.307039][ T924] loop2: detected capacity change from 0 to 1024 [ 77.397602][ T924] EXT4-fs (loop2): Ignoring removed bh option [ 77.403816][ T924] EXT4-fs (loop2): Ignoring removed oldalloc option [ 77.410453][ T924] EXT4-fs (loop2): Ignoring removed nobh option [ 77.416690][ T924] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 77.431292][ T924] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 77.473129][ T924] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.109: Allocating blocks 497-513 which overlap fs metadata [ 77.487400][ T924] EXT4-fs (loop2): pa ffff888112e7c738: logic 128, phys. 385, len 8 [ 77.495496][ T924] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 77.525455][ T924] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.109: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 77.543413][ T924] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 77.555936][ T924] EXT4-fs (loop2): This should not happen!! Data will be lost [ 77.555936][ T924] [ 77.566266][ T924] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.109: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 77.585110][ T924] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 77.720947][ T929] loop2: detected capacity change from 0 to 1024 [ 77.802975][ T929] EXT4-fs (loop2): Ignoring removed bh option [ 77.809128][ T929] EXT4-fs (loop2): Ignoring removed oldalloc option [ 77.815808][ T929] EXT4-fs (loop2): Ignoring removed nobh option [ 77.822114][ T929] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 77.841881][ T929] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 77.883247][ T929] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.110: Allocating blocks 497-513 which overlap fs metadata [ 77.897387][ T929] EXT4-fs (loop2): pa ffff88812a3f20a8: logic 128, phys. 385, len 8 [ 77.905390][ T929] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 77.933337][ T929] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.110: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 77.951294][ T929] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 77.963997][ T929] EXT4-fs (loop2): This should not happen!! Data will be lost [ 77.963997][ T929] [ 77.974582][ T929] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.110: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 77.993463][ T929] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 78.079855][ T934] loop2: detected capacity change from 0 to 1024 [ 78.169156][ T934] EXT4-fs (loop2): Ignoring removed bh option [ 78.175309][ T934] EXT4-fs (loop2): Ignoring removed oldalloc option [ 78.181940][ T934] EXT4-fs (loop2): Ignoring removed nobh option [ 78.188439][ T934] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 78.211353][ T934] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 78.262134][ T934] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.111: Allocating blocks 497-513 which overlap fs metadata [ 78.276117][ T934] EXT4-fs (loop2): pa ffff888130844930: logic 128, phys. 385, len 8 [ 78.284121][ T934] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 78.311448][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 78.330486][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 78.330519][ T934] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.111: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 78.344387][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 78.368672][ T934] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 78.375425][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 78.388071][ T934] EXT4-fs (loop2): This should not happen!! Data will be lost [ 78.388071][ T934] [ 78.406736][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 78.429749][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 78.443078][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 78.461808][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 78.475759][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 78.649286][ T939] loop2: detected capacity change from 0 to 1024 [ 78.656256][ T939] EXT4-fs (loop2): Ignoring removed bh option [ 78.662424][ T939] EXT4-fs (loop2): Ignoring removed oldalloc option [ 78.669548][ T939] EXT4-fs (loop2): Ignoring removed nobh option [ 78.675997][ T939] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 78.691263][ T939] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 78.732604][ T939] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.112: Allocating blocks 497-513 which overlap fs metadata [ 78.747023][ T939] EXT4-fs (loop2): pa ffff888120d41738: logic 128, phys. 385, len 8 [ 78.755255][ T939] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 78.783030][ T939] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.112: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 78.801691][ T939] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 111 with max blocks 1 with error 117 [ 78.814391][ T939] EXT4-fs (loop2): This should not happen!! Data will be lost [ 78.814391][ T939] [ 78.824768][ T939] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.112: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 78.843222][ T939] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 3: ext4_ext_map_blocks returned -117 [ 78.969366][ T944] loop2: detected capacity change from 0 to 1024 [ 79.019706][ T944] EXT4-fs (loop2): Ignoring removed bh option [ 79.025890][ T944] EXT4-fs (loop2): Ignoring removed oldalloc option [ 79.033360][ T944] EXT4-fs (loop2): Ignoring removed nobh option [ 79.039618][ T944] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 79.061425][ T944] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 79.104548][ T944] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.113: Allocating blocks 497-513 which overlap fs metadata [ 79.118615][ T944] EXT4-fs (loop2): pa ffff888130870e70: logic 128, phys. 385, len 8 [ 79.126618][ T944] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 79.153997][ T944] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.113: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 79.172645][ T944] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 114 with max blocks 2 with error 117 [ 79.185392][ T944] EXT4-fs (loop2): This should not happen!! Data will be lost [ 79.185392][ T944] [ 79.195737][ T944] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.113: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 79.214213][ T944] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 2: ext4_ext_map_blocks returned -117 [ 79.326913][ T949] loop2: detected capacity change from 0 to 1024 [ 79.425400][ T949] EXT4-fs (loop2): Ignoring removed bh option [ 79.431584][ T949] EXT4-fs (loop2): Ignoring removed oldalloc option [ 79.438255][ T949] EXT4-fs (loop2): Ignoring removed nobh option [ 79.444536][ T949] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 79.461698][ T949] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 79.503490][ T949] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.114: Allocating blocks 497-513 which overlap fs metadata [ 79.517571][ T949] EXT4-fs (loop2): pa ffff8881308a7f18: logic 128, phys. 385, len 8 [ 79.525616][ T949] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 79.554420][ T466] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 79.573268][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 79.573296][ T949] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.114: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 79.587400][ T466] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 79.605790][ T949] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 79.630892][ T949] EXT4-fs (loop2): This should not happen!! Data will be lost [ 79.630892][ T949] [ 79.641948][ T949] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.114: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 79.660418][ T949] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 79.840705][ T955] EXT4-fs (loop2): Ignoring removed bh option [ 79.846851][ T955] EXT4-fs (loop2): Ignoring removed oldalloc option [ 79.853520][ T955] EXT4-fs (loop2): Ignoring removed nobh option [ 79.859774][ T955] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 79.881394][ T955] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 79.924503][ T955] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.115: Allocating blocks 497-513 which overlap fs metadata [ 79.938606][ T955] EXT4-fs (loop2): pa ffff888130870b28: logic 128, phys. 385, len 8 [ 79.946810][ T955] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 79.975685][ T955] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.115: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 79.993735][ T955] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 80.006479][ T955] EXT4-fs (loop2): This should not happen!! Data will be lost [ 80.006479][ T955] [ 80.016941][ T955] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.115: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 80.035479][ T955] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 80.109965][ T960] EXT4-fs (loop2): Ignoring removed bh option [ 80.116119][ T960] EXT4-fs (loop2): Ignoring removed oldalloc option [ 80.122807][ T960] EXT4-fs (loop2): Ignoring removed nobh option [ 80.129117][ T960] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 80.151234][ T960] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 80.193136][ T960] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.116: Allocating blocks 497-513 which overlap fs metadata [ 80.207179][ T960] EXT4-fs (loop2): pa ffff8881308c60a8: logic 128, phys. 385, len 8 [ 80.215181][ T960] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 80.244732][ T960] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.116: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 5, max 84(84), depth 0(0) [ 80.262730][ T309] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 80.263157][ T960] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 128 with max blocks 1 with error 117 [ 80.286501][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 124: len 4: ext4_ext_map_blocks returned -117 [ 80.293212][ T960] EXT4-fs (loop2): This should not happen!! Data will be lost [ 80.293212][ T960] [ 80.307206][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) 2026/03/18 12:13:19 executed programs: 102 [ 80.413542][ T965] EXT4-fs (loop2): Ignoring removed bh option [ 80.419830][ T965] EXT4-fs (loop2): Ignoring removed oldalloc option [ 80.426575][ T965] EXT4-fs (loop2): Ignoring removed nobh option [ 80.432894][ T965] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 80.451439][ T965] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 80.492688][ T965] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.117: Allocating blocks 497-513 which overlap fs metadata [ 80.506875][ T965] EXT4-fs (loop2): pa ffff88813080c9d8: logic 128, phys. 385, len 8 [ 80.515034][ T965] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 80.541810][ T965] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.117: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 80.560593][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 80.576880][ T965] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 102 with max blocks 2 with error 117 [ 80.579603][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 80.592370][ T965] EXT4-fs (loop2): This should not happen!! Data will be lost [ 80.592370][ T965] [ 80.606282][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 80.616590][ T965] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.117: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 80.646919][ T965] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 2: ext4_ext_map_blocks returned -117 [ 80.720577][ T970] set_capacity_and_notify: 3 callbacks suppressed [ 80.720587][ T970] loop2: detected capacity change from 0 to 1024 [ 80.763583][ T970] EXT4-fs (loop2): Ignoring removed bh option [ 80.769740][ T970] EXT4-fs (loop2): Ignoring removed oldalloc option [ 80.776384][ T970] EXT4-fs (loop2): Ignoring removed nobh option [ 80.782723][ T970] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 80.801362][ T970] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 80.842173][ T970] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.118: Allocating blocks 497-513 which overlap fs metadata [ 80.856379][ T970] EXT4-fs (loop2): pa ffff888130889c78: logic 128, phys. 385, len 8 [ 80.864498][ T970] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 80.892046][ T970] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.118: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 80.910541][ T970] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 80.923066][ T970] EXT4-fs (loop2): This should not happen!! Data will be lost [ 80.923066][ T970] [ 80.933395][ T970] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.118: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 80.951960][ T970] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 81.089107][ T975] loop2: detected capacity change from 0 to 1024 [ 81.200643][ T975] EXT4-fs (loop2): Ignoring removed bh option [ 81.206759][ T975] EXT4-fs (loop2): Ignoring removed oldalloc option [ 81.213463][ T975] EXT4-fs (loop2): Ignoring removed nobh option [ 81.219729][ T975] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 81.241288][ T975] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 81.281870][ T975] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.119: Allocating blocks 497-513 which overlap fs metadata [ 81.296262][ T975] EXT4-fs (loop2): pa ffff88813091fdc8: logic 128, phys. 385, len 8 [ 81.304374][ T975] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 81.333195][ T975] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.119: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 81.351157][ T975] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 81.363760][ T975] EXT4-fs (loop2): This should not happen!! Data will be lost [ 81.363760][ T975] [ 81.374321][ T975] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.119: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 81.392814][ T975] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 81.459888][ T980] loop2: detected capacity change from 0 to 1024 [ 81.598693][ T980] EXT4-fs (loop2): Ignoring removed bh option [ 81.605060][ T980] EXT4-fs (loop2): Ignoring removed oldalloc option [ 81.612329][ T980] EXT4-fs (loop2): Ignoring removed nobh option [ 81.618938][ T980] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 81.641307][ T980] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 81.683251][ T980] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.120: Allocating blocks 497-513 which overlap fs metadata [ 81.697417][ T980] EXT4-fs (loop2): pa ffff88813093a000: logic 128, phys. 385, len 8 [ 81.705526][ T980] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 81.735216][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 81.754601][ T980] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.120: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 81.767976][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 110: len 2: ext4_ext_map_blocks returned -117 [ 81.773793][ T980] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 81.787095][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 81.799623][ T980] EXT4-fs (loop2): This should not happen!! Data will be lost [ 81.799623][ T980] [ 81.812340][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 81.841080][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 81.855035][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 81.990303][ T985] loop2: detected capacity change from 0 to 1024 [ 82.080109][ T985] EXT4-fs (loop2): Ignoring removed bh option [ 82.086281][ T985] EXT4-fs (loop2): Ignoring removed oldalloc option [ 82.093050][ T985] EXT4-fs (loop2): Ignoring removed nobh option [ 82.099458][ T985] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 82.121274][ T985] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 82.166536][ T985] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.121: Allocating blocks 497-513 which overlap fs metadata [ 82.180814][ T985] EXT4-fs (loop2): pa ffff8881309511f8: logic 128, phys. 385, len 8 [ 82.188825][ T985] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 82.214946][ T985] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.121: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 82.234011][ T985] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 106 with max blocks 2 with error 117 [ 82.234041][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 82.246864][ T985] EXT4-fs (loop2): This should not happen!! Data will be lost [ 82.246864][ T985] [ 82.265838][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 82.275817][ T985] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.121: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 82.289056][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 82.313170][ T985] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 2: ext4_ext_map_blocks returned -117 [ 82.457216][ T990] loop2: detected capacity change from 0 to 1024 [ 82.560621][ T990] EXT4-fs (loop2): Ignoring removed bh option [ 82.566856][ T990] EXT4-fs (loop2): Ignoring removed oldalloc option [ 82.573497][ T990] EXT4-fs (loop2): Ignoring removed nobh option [ 82.579914][ T990] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 82.601559][ T990] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 82.645836][ T990] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.122: Allocating blocks 497-513 which overlap fs metadata [ 82.659883][ T990] EXT4-fs (loop2): pa ffff88813093a7e0: logic 128, phys. 385, len 8 [ 82.667889][ T990] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 82.694582][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 82.713579][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 82.713704][ T990] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.122: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 82.727716][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 82.746917][ T990] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 82.771243][ T990] EXT4-fs (loop2): This should not happen!! Data will be lost [ 82.771243][ T990] [ 82.781710][ T990] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.122: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 82.800237][ T990] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 82.867382][ T995] loop2: detected capacity change from 0 to 1024 [ 82.955996][ T995] EXT4-fs (loop2): Ignoring removed bh option [ 82.962283][ T995] EXT4-fs (loop2): Ignoring removed oldalloc option [ 82.969264][ T995] EXT4-fs (loop2): Ignoring removed nobh option [ 82.975714][ T995] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 82.991623][ T995] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 83.032599][ T995] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.123: Allocating blocks 497-513 which overlap fs metadata [ 83.046722][ T995] EXT4-fs (loop2): pa ffff888120f502a0: logic 128, phys. 385, len 8 [ 83.054729][ T995] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 83.083572][ T995] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.123: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 83.102105][ T995] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 83.102132][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 83.114562][ T995] EXT4-fs (loop2): This should not happen!! Data will be lost [ 83.114562][ T995] [ 83.142995][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 83.143692][ T995] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.123: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 83.156767][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 83.175626][ T995] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 83.267139][ T1000] loop2: detected capacity change from 0 to 1024 [ 83.318087][ T1000] EXT4-fs (loop2): Ignoring removed bh option [ 83.324267][ T1000] EXT4-fs (loop2): Ignoring removed oldalloc option [ 83.331002][ T1000] EXT4-fs (loop2): Ignoring removed nobh option [ 83.337253][ T1000] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 83.351239][ T1000] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 83.392218][ T1000] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.124: Allocating blocks 497-513 which overlap fs metadata [ 83.406276][ T1000] EXT4-fs (loop2): pa ffff888130980a80: logic 128, phys. 385, len 8 [ 83.414287][ T1000] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 83.441251][ T1000] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.124: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 83.459880][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 83.459947][ T1000] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 104 with max blocks 8 with error 117 [ 83.485247][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 83.490971][ T1000] EXT4-fs (loop2): This should not happen!! Data will be lost [ 83.490971][ T1000] [ 83.504831][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 83.636872][ T1005] loop2: detected capacity change from 0 to 1024 [ 83.686593][ T1005] EXT4-fs (loop2): Ignoring removed bh option [ 83.692743][ T1005] EXT4-fs (loop2): Ignoring removed oldalloc option [ 83.699335][ T1005] EXT4-fs (loop2): Ignoring removed nobh option [ 83.705610][ T1005] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 83.721350][ T1005] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 83.762039][ T1005] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.125: Allocating blocks 497-513 which overlap fs metadata [ 83.776079][ T1005] EXT4-fs (loop2): pa ffff8881309b39d8: logic 128, phys. 385, len 8 [ 83.784356][ T1005] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 83.813333][ T1005] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.125: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 83.831380][ T1005] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 83.844167][ T1005] EXT4-fs (loop2): This should not happen!! Data will be lost [ 83.844167][ T1005] [ 83.854649][ T1005] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.125: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 83.873236][ T1005] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 83.956891][ T1010] loop2: detected capacity change from 0 to 1024 [ 84.002766][ T1010] EXT4-fs (loop2): Ignoring removed bh option [ 84.008925][ T1010] EXT4-fs (loop2): Ignoring removed oldalloc option [ 84.015671][ T1010] EXT4-fs (loop2): Ignoring removed nobh option [ 84.021955][ T1010] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 84.041385][ T1010] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 84.083768][ T1010] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.126: Allocating blocks 497-513 which overlap fs metadata [ 84.097836][ T1010] EXT4-fs (loop2): pa ffff888120f500a8: logic 128, phys. 385, len 8 [ 84.105844][ T1010] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 84.133686][ T1010] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.126: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 84.152117][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 84.152678][ T1010] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 84.180513][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 84.183106][ T1010] EXT4-fs (loop2): This should not happen!! Data will be lost [ 84.183106][ T1010] [ 84.197015][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 84.319840][ T1015] loop2: detected capacity change from 0 to 1024 [ 84.370283][ T1015] EXT4-fs (loop2): Ignoring removed bh option [ 84.376387][ T1015] EXT4-fs (loop2): Ignoring removed oldalloc option [ 84.383055][ T1015] EXT4-fs (loop2): Ignoring removed nobh option [ 84.389295][ T1015] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 84.411688][ T1015] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 84.457169][ T1015] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.127: Allocating blocks 497-513 which overlap fs metadata [ 84.471374][ T1015] EXT4-fs (loop2): pa ffff8881309d6348: logic 128, phys. 385, len 8 [ 84.479507][ T1015] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 84.504339][ T1015] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.127: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 84.523014][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 84.530253][ T1015] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 84.542425][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 84.554023][ T1015] EXT4-fs (loop2): This should not happen!! Data will be lost [ 84.554023][ T1015] [ 84.577444][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 84.578151][ T1015] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.127: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 84.608539][ T1015] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 [ 84.920646][ T1021] EXT4-fs (loop2): Ignoring removed bh option [ 84.926752][ T1021] EXT4-fs (loop2): Ignoring removed oldalloc option [ 84.933513][ T1021] EXT4-fs (loop2): Ignoring removed nobh option [ 84.939759][ T1021] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 84.961437][ T1021] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 85.002415][ T1021] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.128: Allocating blocks 497-513 which overlap fs metadata [ 85.016501][ T1021] EXT4-fs (loop2): pa ffff8881308250a8: logic 128, phys. 385, len 8 [ 85.024529][ T1021] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 85.052436][ T1021] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.128: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 85.070920][ T1021] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 85.070952][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 85.083566][ T1021] EXT4-fs (loop2): This should not happen!! Data will be lost [ 85.083566][ T1021] [ 85.102115][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 85.112390][ T1021] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.128: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 85.125424][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 85.156414][ T1021] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 85.327807][ T1026] EXT4-fs (loop2): Ignoring removed bh option [ 85.333961][ T1026] EXT4-fs (loop2): Ignoring removed oldalloc option [ 85.340671][ T1026] EXT4-fs (loop2): Ignoring removed nobh option [ 85.346923][ T1026] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 85.361231][ T1026] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 85.406923][ T1026] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.129: Allocating blocks 497-513 which overlap fs metadata [ 85.420965][ T1026] EXT4-fs (loop2): pa ffff8881309b3d20: logic 128, phys. 385, len 8 [ 85.428940][ T1026] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 85.457273][ T1026] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.129: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 85.475752][ T1026] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 85.488232][ T1026] EXT4-fs (loop2): This should not happen!! Data will be lost [ 85.488232][ T1026] [ 85.498296][ T1026] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.129: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 85.516806][ T1026] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 2026/03/18 12:13:24 executed programs: 115 [ 85.637655][ T1031] EXT4-fs (loop2): Ignoring removed bh option [ 85.643836][ T1031] EXT4-fs (loop2): Ignoring removed oldalloc option [ 85.650541][ T1031] EXT4-fs (loop2): Ignoring removed nobh option [ 85.656796][ T1031] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 85.671473][ T1031] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 85.714731][ T1031] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.130: Allocating blocks 497-513 which overlap fs metadata [ 85.728813][ T1031] EXT4-fs (loop2): pa ffff88810d13bf18: logic 128, phys. 385, len 8 [ 85.736826][ T1031] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 85.762891][ T1031] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.130: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 85.781737][ T309] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 85.790432][ T1031] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 104 with max blocks 8 with error 117 [ 85.800535][ T309] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 85.813012][ T1031] EXT4-fs (loop2): This should not happen!! Data will be lost [ 85.813012][ T1031] [ 85.826802][ T309] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 85.959121][ T1036] set_capacity_and_notify: 3 callbacks suppressed [ 85.959131][ T1036] loop2: detected capacity change from 0 to 1024 [ 86.120655][ T1036] EXT4-fs (loop2): Ignoring removed bh option [ 86.126763][ T1036] EXT4-fs (loop2): Ignoring removed oldalloc option [ 86.133406][ T1036] EXT4-fs (loop2): Ignoring removed nobh option [ 86.139730][ T1036] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 86.161315][ T1036] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 86.202126][ T1036] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.131: Allocating blocks 497-513 which overlap fs metadata [ 86.216220][ T1036] EXT4-fs (loop2): pa ffff888130997b28: logic 128, phys. 385, len 8 [ 86.224497][ T1036] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 86.252930][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 86.272123][ T1036] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.131: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 86.286524][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 107: len 1: ext4_ext_map_blocks returned -117 [ 86.291341][ T1036] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 86.304186][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 86.316965][ T1036] EXT4-fs (loop2): This should not happen!! Data will be lost [ 86.316965][ T1036] [ 86.339903][ T1036] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.131: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 86.358458][ T1036] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 86.427579][ T1041] loop2: detected capacity change from 0 to 1024 [ 86.462892][ T1041] EXT4-fs (loop2): Ignoring removed bh option [ 86.468995][ T1041] EXT4-fs (loop2): Ignoring removed oldalloc option [ 86.475680][ T1041] EXT4-fs (loop2): Ignoring removed nobh option [ 86.481989][ T1041] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 86.501346][ T1041] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 86.553351][ T1041] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.132: Allocating blocks 497-513 which overlap fs metadata [ 86.567496][ T1041] EXT4-fs (loop2): pa ffff888130997dc8: logic 128, phys. 385, len 8 [ 86.575514][ T1041] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 86.604638][ T467] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:5: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 86.623418][ T467] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 114: len 2: ext4_ext_map_blocks returned -117 [ 86.623450][ T1041] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.132: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 86.637381][ T467] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 86.655666][ T1041] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 86.680657][ T1041] EXT4-fs (loop2): This should not happen!! Data will be lost [ 86.680657][ T1041] [ 86.690943][ T1041] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.132: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 86.709391][ T1041] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 86.846862][ T1046] loop2: detected capacity change from 0 to 1024 [ 86.880929][ T1046] EXT4-fs (loop2): Ignoring removed bh option [ 86.887086][ T1046] EXT4-fs (loop2): Ignoring removed oldalloc option [ 86.893755][ T1046] EXT4-fs (loop2): Ignoring removed nobh option [ 86.900049][ T1046] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 86.921231][ T1046] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 86.962577][ T1046] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.133: Allocating blocks 497-513 which overlap fs metadata [ 86.976573][ T1046] EXT4-fs (loop2): pa ffff888130a632a0: logic 128, phys. 385, len 8 [ 86.984588][ T1046] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 87.013528][ T1046] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.133: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 87.032106][ T1046] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 87.044620][ T1046] EXT4-fs (loop2): This should not happen!! Data will be lost [ 87.044620][ T1046] [ 87.054637][ T1046] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.133: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 87.073235][ T1046] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 87.206856][ T1051] loop2: detected capacity change from 0 to 1024 [ 87.266586][ T1051] EXT4-fs (loop2): Ignoring removed bh option [ 87.272763][ T1051] EXT4-fs (loop2): Ignoring removed oldalloc option [ 87.279379][ T1051] EXT4-fs (loop2): Ignoring removed nobh option [ 87.285799][ T1051] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 87.301130][ T1051] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 87.342383][ T1051] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.134: Allocating blocks 497-513 which overlap fs metadata [ 87.356589][ T1051] EXT4-fs (loop2): pa ffff88810d13b0a8: logic 128, phys. 385, len 8 [ 87.364631][ T1051] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 87.392953][ T1051] ------------[ cut here ]------------ [ 87.398473][ T1051] kernel BUG at fs/ext4/mballoc.c:4256! [ 87.404099][ T1051] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 87.410179][ T1051] CPU: 0 PID: 1051 Comm: syz.2.134 Not tainted syzkaller #0 [ 87.417457][ T1051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 87.427496][ T1051] RIP: 0010:ext4_mb_normalize_request+0x1944/0x1990 [ 87.434068][ T1051] Code: 00 e9 8e fa ff ff e8 2b ea 8b ff 0f 0b e8 24 ea 8b ff 0f 0b e8 1d ea 8b ff e9 b7 fb ff ff e8 13 ea 8b ff 0f 0b e8 0c ea 8b ff <0f> 0b e8 05 ea 8b ff 0f 0b e8 fe e9 8b ff 48 8b 45 80 42 80 3c 28 [ 87.453662][ T1051] RSP: 0018:ffffc90001c56c68 EFLAGS: 00010293 [ 87.459723][ T1051] RAX: ffffffff81dddcd4 RBX: 0000000000000060 RCX: ffff88812ed4bb40 [ 87.467670][ T1051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 87.475792][ T1051] RBP: ffffc90001c56d50 R08: ffff888130a5984f R09: 1ffff1102614b309 [ 87.483740][ T1051] R10: dffffc0000000000 R11: ffffed102614b30a R12: 000000000000001f [ 87.491689][ T1051] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 87.499636][ T1051] FS: 00007f0ed95cc6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 87.508557][ T1051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.515116][ T1051] CR2: 00007f0ed95abd58 CR3: 0000000116849000 CR4: 00000000003506b0 [ 87.523072][ T1051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.531018][ T1051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.538964][ T1051] Call Trace: [ 87.542392][ T1051] [ 87.545319][ T1051] ext4_mb_new_blocks+0xbfd/0x42c0 [ 87.550412][ T1051] ? __getblk_gfp+0x42/0x7d0 [ 87.554978][ T1051] ? memcpy+0x56/0x70 [ 87.558933][ T1051] ? ext4_mb_pa_callback+0xd0/0xd0 [ 87.564025][ T1051] ? ext4_ext_check_overlap+0x433/0x5c0 [ 87.569549][ T1051] ? ext4_ext_find_goal+0x108/0x200 [ 87.574720][ T1051] ext4_ext_map_blocks+0x1722/0x61e0 [ 87.579983][ T1051] ? rwsem_down_read_slowpath+0x12a0/0x12a0 [ 87.585861][ T1051] ? cgroup_rstat_updated+0xf5/0x360 [ 87.591122][ T1051] ? ext4_ext_release+0x10/0x10 [ 87.595949][ T1051] ? ext4_es_lookup_extent+0x54c/0x900 [ 87.601387][ T1051] ext4_map_blocks+0x988/0x1b30 [ 87.606216][ T1051] ? ext4_issue_zeroout+0x250/0x250 [ 87.611415][ T1051] ? ext4_inode_journal_mode+0x19a/0x480 [ 87.617022][ T1051] ext4_writepages+0x123f/0x3090 [ 87.621941][ T1051] ? ext4_readpage+0x220/0x220 [ 87.626772][ T1051] ? do_user_addr_fault+0xa35/0x1250 [ 87.632041][ T1051] ? do_kern_addr_fault+0x80/0x80 [ 87.637109][ T1051] ? ext4_readpage+0x220/0x220 [ 87.641857][ T1051] do_writepages+0x473/0x6c0 [ 87.646428][ T1051] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 87.651691][ T1051] ? __ext4_mark_inode_dirty+0x443/0x610 [ 87.657303][ T1051] ? __writepage+0x130/0x130 [ 87.661873][ T1051] ? __kasan_check_write+0x14/0x20 [ 87.666979][ T1051] ? _raw_spin_lock+0x94/0xf0 [ 87.671721][ T1051] ? _raw_spin_unlock+0x4d/0x70 [ 87.676549][ T1051] filemap_fdatawrite_wbc+0x1f4/0x250 [ 87.681896][ T1051] file_write_and_wait_range+0x14d/0x220 [ 87.687506][ T1051] ? __filemap_set_wb_err+0x110/0x110 [ 87.692862][ T1051] ext4_sync_file+0x1a9/0xa10 [ 87.697517][ T1051] vfs_fsync_range+0x190/0x1a0 [ 87.702255][ T1051] ext4_buffered_write_iter+0x5d0/0x670 [ 87.708136][ T1051] ext4_file_write_iter+0x440/0x1540 [ 87.713424][ T1051] ? avc_policy_seqno+0x1b/0x70 [ 87.718260][ T1051] ? ext4_file_read_iter+0x510/0x510 [ 87.723533][ T1051] ? memset+0x35/0x40 [ 87.727496][ T1051] ? iov_iter_init+0xbc/0x180 [ 87.732163][ T1051] vfs_write+0x835/0xfd0 [ 87.736384][ T1051] ? file_end_write+0x1b0/0x1b0 [ 87.741209][ T1051] ? __fget_files+0x2c4/0x320 [ 87.745864][ T1051] ? __fdget+0x1a1/0x230 [ 87.750084][ T1051] ? __x64_sys_pwrite64+0xf2/0x220 [ 87.755181][ T1051] __x64_sys_pwrite64+0x197/0x220 [ 87.760183][ T1051] ? ksys_pwrite64+0x1b0/0x1b0 [ 87.764920][ T1051] ? __kasan_check_write+0x14/0x20 [ 87.770019][ T1051] ? switch_fpu_return+0x15d/0x2c0 [ 87.775128][ T1051] x64_sys_call+0xa6/0x9a0 [ 87.779534][ T1051] do_syscall_64+0x4c/0xa0 [ 87.783940][ T1051] ? clear_bhb_loop+0x50/0xa0 [ 87.788600][ T1051] ? clear_bhb_loop+0x50/0xa0 [ 87.793277][ T1051] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.799165][ T1051] RIP: 0033:0x7f0ed9769799 [ 87.803566][ T1051] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 87.823164][ T1051] RSP: 002b:00007f0ed95cc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 87.831563][ T1051] RAX: ffffffffffffffda RBX: 00007f0ed99e2fa0 RCX: 00007f0ed9769799 [ 87.839515][ T1051] RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000007 [ 87.847465][ T1051] RBP: 00007f0ed97ffbd9 R08: 0000000000000000 R09: 0000000000000000 [ 87.855415][ T1051] R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 [ 87.863366][ T1051] R13: 00007f0ed99e3038 R14: 00007f0ed99e2fa0 R15: 00007ffc8114d5d8 [ 87.871406][ T1051] [ 87.874413][ T1051] Modules linked in: [ 87.878561][ T1051] ---[ end trace 1dd833ed3e31416c ]--- [ 87.884175][ T1051] RIP: 0010:ext4_mb_normalize_request+0x1944/0x1990 [ 87.890822][ T1051] Code: 00 e9 8e fa ff ff e8 2b ea 8b ff 0f 0b e8 24 ea 8b ff 0f 0b e8 1d ea 8b ff e9 b7 fb ff ff e8 13 ea 8b ff 0f 0b e8 0c ea 8b ff <0f> 0b e8 05 ea 8b ff 0f 0b e8 fe e9 8b ff 48 8b 45 80 42 80 3c 28 [ 87.910544][ T1051] RSP: 0018:ffffc90001c56c68 EFLAGS: 00010293 [ 87.916593][ T1051] RAX: ffffffff81dddcd4 RBX: 0000000000000060 RCX: ffff88812ed4bb40 [ 87.924680][ T1051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 87.932673][ T1051] RBP: ffffc90001c56d50 R08: ffff888130a5984f R09: 1ffff1102614b309 [ 87.940775][ T1051] R10: dffffc0000000000 R11: ffffed102614b30a R12: 000000000000001f [ 87.948756][ T1051] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 87.957122][ T1051] FS: 00007f0ed95cc6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 87.966236][ T1051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.972952][ T1051] CR2: 00007f0ed97b6e80 CR3: 0000000116849000 CR4: 00000000003506a0 [ 87.980953][ T1051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.989030][ T1051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.997118][ T1051] Kernel panic - not syncing: Fatal exception [ 88.003499][ T1051] Kernel Offset: disabled [ 88.007806][ T1051] Rebooting in 86400 seconds..