vice loop5): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 816.954048][T21382] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 816.967093][T21389] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 816.970090][T21385] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 816.980661][T21387] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 817.003984][T21390] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 817.038689][T21382] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.040712][T21385] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.068450][T21390] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.104909][T21389] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.130462][T21385] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4271: Allocating blocks 497-513 which overlap fs metadata [ 817.162714][T21387] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.193504][T21385] EXT4-fs (loop4): pa ffff888120c3b2a0: logic 128, phys. 385, len 8 [ 817.201787][T21385] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.222911][T21382] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4270: Allocating blocks 497-513 which overlap fs metadata [ 817.234273][T21390] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4273: Allocating blocks 497-513 which overlap fs metadata [ 817.260717][T21387] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4272: Allocating blocks 497-513 which overlap fs metadata [ 817.275482][T21390] EXT4-fs (loop1): pa ffff888131380738: logic 128, phys. 385, len 8 [ 817.279581][T21382] EXT4-fs (loop0): pa ffff888111fa22a0: logic 128, phys. 385, len 8 [ 817.283584][T21390] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, [ 817.291611][T21382] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, [ 817.291616][T21390] free 0, pa_free 1 [ 817.291632][T21382] free 0, pa_free 1 [ 817.309390][T21389] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4274: Allocating blocks 497-513 which overlap fs metadata [ 817.331210][T21389] EXT4-fs (loop5): pa ffff888120c3b150: logic 128, phys. 385, len 8 [ 817.331342][T21387] EXT4-fs (loop6): pa ffff888120c3b738: logic 128, phys. 385, len 8 [ 817.339753][T21389] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.347735][T21387] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.396028][T21389] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 817.398060][T21383] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 817.414033][T21402] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 817.457557][ T45] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 817.475687][T21408] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 817.482665][ T45] EXT4-fs (loop0): This should not happen!! Data will be lost [ 817.482665][ T45] [ 817.501354][ T45] EXT4-fs (loop0): Total free blocks count 0 [ 817.507486][ T45] EXT4-fs (loop0): Free/Dirty block details [ 817.514344][ T45] EXT4-fs (loop0): free_blocks=32 [ 817.519820][ T45] EXT4-fs (loop0): dirty_blocks=0 [ 817.520502][T21408] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.525025][ T45] EXT4-fs (loop0): Block reservation details [ 817.559522][ T45] EXT4-fs (loop0): i_reserved_data_blocks=0 [ 817.560764][T21410] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 817.569148][T21408] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4275: Allocating blocks 497-513 which overlap fs metadata [ 817.592660][T21408] EXT4-fs (loop1): pa ffff8881310a7540: logic 128, phys. 385, len 8 [ 817.601345][T21408] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.601423][T21413] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 817.629094][T21410] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.643366][T21408] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 817.659236][T21413] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.683320][T21410] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4276: Allocating blocks 497-513 which overlap fs metadata [ 817.715545][T21416] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 817.727946][T21410] EXT4-fs (loop4): pa ffff8881310a7690: logic 128, phys. 385, len 8 [ 817.731157][T21413] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4277: Allocating blocks 497-513 which overlap fs metadata [ 817.735956][T21410] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.762346][T21422] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 817.762972][T21410] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 817.792123][T21413] EXT4-fs (loop5): pa ffff8881310a75e8: logic 128, phys. 385, len 8 [ 817.800209][T21413] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.828930][T21416] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.869554][T21422] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 817.870792][T21413] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 817.901671][T21416] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4279: Allocating blocks 497-513 which overlap fs metadata [ 817.943481][T21416] EXT4-fs (loop6): pa ffff88813126fd20: logic 128, phys. 385, len 8 [ 817.945664][T21422] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4278: Allocating blocks 497-513 which overlap fs metadata [ 817.951659][T21416] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.975904][T21422] EXT4-fs (loop0): pa ffff888111f80498: logic 128, phys. 385, len 8 [ 817.984077][T21422] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 817.995601][T21416] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 818.015471][T21430] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.034702][T21430] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.037044][T21434] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 818.085605][T21430] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4281: Allocating blocks 497-513 which overlap fs metadata [ 818.087990][T21435] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.100577][T21436] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.124723][T21430] EXT4-fs (loop4): pa ffff888111f80a80: logic 128, phys. 385, len 8 [ 818.132806][T21430] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.160001][T21436] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.173122][T21435] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.207954][T21447] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.228718][T21443] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.235221][T21436] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4280: Allocating blocks 497-513 which overlap fs metadata [ 818.255420][T21436] EXT4-fs (loop1): pa ffff88813129f0a8: logic 128, phys. 385, len 8 [ 818.263662][T21436] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.283229][T21435] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4282: Allocating blocks 497-513 which overlap fs metadata [ 818.285914][T21429] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 818.307632][T21435] EXT4-fs (loop5): pa ffff88813129f5e8: logic 128, phys. 385, len 8 [ 818.319908][T21435] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.330376][T21436] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 818.330958][T21443] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.376679][T21447] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.403810][T21443] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4283: Allocating blocks 497-513 which overlap fs metadata [ 818.423369][T21443] EXT4-fs (loop6): pa ffff888132854690: logic 128, phys. 385, len 8 [ 818.431745][T21443] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.444808][T21432] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 818.470088][T21447] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4284: Allocating blocks 497-513 which overlap fs metadata [ 818.486097][T21447] EXT4-fs (loop0): pa ffff8881328545e8: logic 128, phys. 385, len 8 [ 818.494363][T21447] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.512014][T21454] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.556228][T21447] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 818.557361][T21454] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.606284][T21454] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4285: Allocating blocks 497-513 which overlap fs metadata [ 818.620856][T21454] EXT4-fs (loop4): pa ffff888120d3cd20: logic 128, phys. 385, len 8 [ 818.629020][T21454] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.650594][T21460] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.653167][T21458] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.675907][T21464] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.690012][T21454] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 818.706309][T21466] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.728432][T21458] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.759876][T21460] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.760714][T21464] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.810796][T21460] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4287: Allocating blocks 497-513 which overlap fs metadata [ 818.822452][T21458] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4286: Allocating blocks 497-513 which overlap fs metadata [ 818.838103][T21466] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 818.843539][T21460] EXT4-fs (loop5): pa ffff88813129f348: logic 128, phys. 385, len 8 [ 818.879539][T21460] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.898800][T21458] EXT4-fs (loop1): pa ffff888120d3c9d8: logic 128, phys. 385, len 8 [ 818.906946][T21458] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.911855][T21466] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4289: Allocating blocks 497-513 which overlap fs metadata [ 818.931768][T21466] EXT4-fs (loop0): pa ffff888120d3ce70: logic 128, phys. 385, len 8 [ 818.935557][T21464] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4288: Allocating blocks 497-513 which overlap fs metadata [ 818.939871][T21466] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 818.961342][T21464] EXT4-fs (loop6): pa ffff8881328ef000: logic 128, phys. 385, len 8 [ 818.968344][T21479] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 818.972003][T21464] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.008903][T21478] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.029651][T21479] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.048866][T21464] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.076872][T21483] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.084813][T21479] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4290: Allocating blocks 497-513 which overlap fs metadata [ 819.095737][ T45] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 819.106270][T21479] EXT4-fs (loop4): pa ffff8881310d8690: logic 128, phys. 385, len 8 [ 819.125725][T21479] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.131776][ T45] EXT4-fs (loop1): This should not happen!! Data will be lost [ 819.131776][ T45] [ 819.145966][ T45] EXT4-fs (loop1): Total free blocks count 0 [ 819.152430][ T45] EXT4-fs (loop1): Free/Dirty block details [ 819.162926][T21479] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.177642][ T45] EXT4-fs (loop1): free_blocks=32 [ 819.182770][ T45] EXT4-fs (loop1): dirty_blocks=0 [ 819.187845][ T45] EXT4-fs (loop1): Block reservation details [ 819.193877][ T45] EXT4-fs (loop1): i_reserved_data_blocks=0 [ 819.203716][T21490] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.212266][T21488] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.247675][T21488] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.248194][T21490] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.280607][T21495] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.315166][T21494] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.327890][T21488] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4291: Allocating blocks 497-513 which overlap fs metadata [ 819.342309][T21488] EXT4-fs (loop5): pa ffff8881310d8bd0: logic 128, phys. 385, len 8 [ 819.349111][T21490] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4293: Allocating blocks 497-513 which overlap fs metadata [ 819.350594][T21488] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.366063][T21494] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.376355][T21490] EXT4-fs (loop6): pa ffff8881313d55e8: logic 128, phys. 385, len 8 [ 819.410621][T21490] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.427973][T21500] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.432427][T21488] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.464152][T21494] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4292: Allocating blocks 497-513 which overlap fs metadata [ 819.479138][T21495] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.482159][T21494] EXT4-fs (loop1): pa ffff88813119e0a8: logic 128, phys. 385, len 8 [ 819.515412][T21494] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.549681][T21495] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4294: Allocating blocks 497-513 which overlap fs metadata [ 819.564328][T21495] EXT4-fs (loop0): pa ffff8881313d5150: logic 128, phys. 385, len 8 [ 819.570103][T21500] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.572459][T21495] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.634711][T21500] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4295: Allocating blocks 497-513 which overlap fs metadata [ 819.648491][T21493] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.663701][T21500] EXT4-fs (loop4): pa ffff8881313d5d20: logic 128, phys. 385, len 8 [ 819.665788][T21495] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.672101][T21500] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.708049][T21513] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.725520][T21512] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 819.742954][T21515] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.777519][T21513] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.796073][T21519] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.829838][T21522] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.835774][T21513] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4296: Allocating blocks 497-513 which overlap fs metadata [ 819.856095][T21515] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.861718][T21513] EXT4-fs (loop5): pa ffff88813132f498: logic 128, phys. 385, len 8 [ 819.892650][T21513] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 819.910388][T21526] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 819.912424][T21515] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4297: Allocating blocks 497-513 which overlap fs metadata [ 819.924172][T21522] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.943994][T21519] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 819.995563][T21515] EXT4-fs (loop6): pa ffff88813132fd20: logic 128, phys. 385, len 8 [ 820.003664][T21515] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.030497][T21531] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.033982][T21519] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4298: Allocating blocks 497-513 which overlap fs metadata [ 820.064183][T21522] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4299: Allocating blocks 497-513 which overlap fs metadata [ 820.081115][T21526] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 820.084013][T21522] EXT4-fs (loop0): pa ffff88813132f690: logic 128, phys. 385, len 8 [ 820.113803][T21513] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, [ 820.116928][T21522] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.124592][T21513] inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.127525][T21519] EXT4-fs (loop1): pa ffff888131375930: logic 128, phys. 385, len 8 [ 820.152256][T21519] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.165131][ T8] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 820.167323][T21526] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4300: Allocating blocks 497-513 which overlap fs metadata [ 820.177600][ T8] EXT4-fs (loop5): This should not happen!! Data will be lost [ 820.177600][ T8] [ 820.200431][T21526] EXT4-fs (loop4): pa ffff8881328ef930: logic 128, phys. 385, len 8 [ 820.202647][T21522] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, [ 820.209135][T21526] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.216679][T21522] inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.216996][ T8] EXT4-fs (loop5): Total free blocks count 0 [ 820.243747][ T8] EXT4-fs (loop5): Free/Dirty block details [ 820.250388][ T8] EXT4-fs (loop5): free_blocks=32 [ 820.261975][T21538] set_capacity_and_notify: 40 callbacks suppressed [ 820.261991][T21538] loop6: detected capacity change from 0 to 1024 [ 820.263738][T15184] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 820.275067][ T8] EXT4-fs (loop5): dirty_blocks=0 [ 820.293364][T21518] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.302215][T21526] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.322637][ T8] EXT4-fs (loop5): Block reservation details [ 820.324061][T15184] EXT4-fs (loop0): This should not happen!! Data will be lost [ 820.324061][T15184] [ 820.329690][ T8] EXT4-fs (loop5): i_reserved_data_blocks=0 [ 820.338979][T15184] EXT4-fs (loop0): Total free blocks count 0 [ 820.345058][T21538] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 820.350600][T15184] EXT4-fs (loop0): Free/Dirty block details [ 820.373099][T15184] EXT4-fs (loop0): free_blocks=32 [ 820.378353][T15184] EXT4-fs (loop0): dirty_blocks=0 [ 820.383416][T15184] EXT4-fs (loop0): Block reservation details [ 820.389644][T15184] EXT4-fs (loop0): i_reserved_data_blocks=0 [ 820.399000][T21538] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 820.451199][T21545] loop5: detected capacity change from 0 to 1024 [ 820.458936][T21546] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 820.469041][T21545] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 820.474567][T21538] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4301: Allocating blocks 497-513 which overlap fs metadata [ 820.483875][T21544] loop4: detected capacity change from 0 to 1024 [ 820.500978][T21538] EXT4-fs (loop6): pa ffff888131375690: logic 128, phys. 385, len 8 [ 820.511618][T21538] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.521186][T21548] loop0: detected capacity change from 0 to 1024 [ 820.529924][T21544] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 820.551865][T21548] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 820.552396][T21546] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 820.595217][T21545] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 820.635301][T21546] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4304: Allocating blocks 497-513 which overlap fs metadata [ 820.643464][T21545] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4302: Allocating blocks 497-513 which overlap fs metadata [ 820.650394][T21544] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 820.671571][T21545] EXT4-fs (loop5): pa ffff888132856e70: logic 128, phys. 385, len 8 2026/04/20 07:29:07 executed programs: 4299 [ 820.698997][T21545] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.709825][T21546] EXT4-fs (loop1): pa ffff888131355498: logic 128, phys. 385, len 8 [ 820.718078][T21546] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.732626][T21548] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 820.736517][T21544] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4305: Allocating blocks 497-513 which overlap fs metadata [ 820.778098][T21544] EXT4-fs (loop4): pa ffff888131355c78: logic 128, phys. 385, len 8 [ 820.786345][T21544] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.791378][T21548] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4303: Allocating blocks 497-513 which overlap fs metadata [ 820.812568][T21548] EXT4-fs (loop0): pa ffff888131355e70: logic 128, phys. 385, len 8 [ 820.820780][T21548] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 820.830959][T21541] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.835889][T21544] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.845801][T21542] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.881231][T21563] loop6: detected capacity change from 0 to 1024 [ 820.893977][T21563] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 820.906230][T21548] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 820.940232][T21563] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 820.973726][T21568] loop0: detected capacity change from 0 to 1024 [ 820.999494][T21569] loop1: detected capacity change from 0 to 1024 [ 821.003686][T21572] loop5: detected capacity change from 0 to 1024 [ 821.007449][T21573] loop4: detected capacity change from 0 to 1024 [ 821.020389][T21573] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.020702][T21563] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4306: Allocating blocks 497-513 which overlap fs metadata [ 821.054718][T21573] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.058699][T21563] EXT4-fs (loop6): pa ffff8881328b9e70: logic 128, phys. 385, len 8 [ 821.082749][T21572] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.090571][T21563] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 821.102673][T21569] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.128413][T21568] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.134740][T21573] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4307: Allocating blocks 497-513 which overlap fs metadata [ 821.156729][T21573] EXT4-fs (loop4): pa ffff8881313a6000: logic 128, phys. 385, len 8 [ 821.164835][T21573] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 821.182630][T21572] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.183169][T21574] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 821.213815][T21568] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.241636][T21572] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4310: Allocating blocks 497-513 which overlap fs metadata [ 821.262501][T21569] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.270744][T21573] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 821.295357][T15184] EXT4-fs (loop6): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 821.319508][T21569] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4309: Allocating blocks 497-513 which overlap fs metadata [ 821.337626][T21572] EXT4-fs (loop5): pa ffff8881312c47e0: logic 128, phys. 385, len 8 [ 821.339999][T15184] EXT4-fs (loop6): This should not happen!! Data will be lost [ 821.339999][T15184] [ 821.345766][T21572] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 821.355528][T21569] EXT4-fs (loop1): pa ffff8881312c4f18: logic 128, phys. 385, len 8 [ 821.373063][T21568] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4308: Allocating blocks 497-513 which overlap fs metadata [ 821.373489][T21569] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, [ 821.387299][T15184] EXT4-fs (loop6): Total free blocks count 0 [ 821.387316][T15184] EXT4-fs (loop6): Free/Dirty block details [ 821.387327][T15184] EXT4-fs (loop6): free_blocks=32 [ 821.387339][T15184] EXT4-fs (loop6): dirty_blocks=0 [ 821.395855][T21569] free 0, pa_free 1 [ 821.402534][T15184] EXT4-fs (loop6): Block reservation details [ 821.409621][ T8] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 821.413008][T15184] EXT4-fs (loop6): i_reserved_data_blocks=0 [ 821.418785][T21568] EXT4-fs (loop0): pa ffff8881312c43f0: logic 128, phys. 385, len 8 [ 821.448286][ T8] EXT4-fs (loop4): This should not happen!! Data will be lost [ 821.448286][ T8] [ 821.454360][T21568] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 821.498663][ T8] EXT4-fs (loop4): Total free blocks count 0 [ 821.504817][T21570] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 821.508441][ T8] EXT4-fs (loop4): Free/Dirty block details [ 821.529109][T21590] loop6: detected capacity change from 0 to 1024 [ 821.539595][T21590] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.540821][ T8] EXT4-fs (loop4): free_blocks=32 [ 821.586146][ T8] EXT4-fs (loop4): dirty_blocks=0 [ 821.591442][ T8] EXT4-fs (loop4): Block reservation details [ 821.592467][T21590] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.597447][ T8] EXT4-fs (loop4): i_reserved_data_blocks=0 [ 821.633011][T21593] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.648478][T21594] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.667605][T21590] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4311: Allocating blocks 497-513 which overlap fs metadata [ 821.687626][T21590] EXT4-fs (loop6): pa ffff888131117690: logic 128, phys. 385, len 8 [ 821.695947][T21590] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 821.703337][T21598] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.724597][T21593] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.726448][T21590] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 821.769863][T21600] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 821.785785][T21594] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.791553][T21593] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4314: Allocating blocks 497-513 which overlap fs metadata [ 821.825040][T21598] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.855408][T21593] EXT4-fs (loop0): pa ffff8881311177e0: logic 128, phys. 385, len 8 [ 821.858196][T21594] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4313: Allocating blocks 497-513 which overlap fs metadata [ 821.863650][T21593] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 821.890247][T21594] EXT4-fs (loop1): pa ffff888111e85690: logic 128, phys. 385, len 8 [ 821.898454][T21594] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 821.908585][T21600] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 821.926651][T21598] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4312: Allocating blocks 497-513 which overlap fs metadata [ 821.965466][T21598] EXT4-fs (loop4): pa ffff888111e85b28: logic 128, phys. 385, len 8 [ 821.966253][T21594] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 821.973662][T21598] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.013504][T21600] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4315: Allocating blocks 497-513 which overlap fs metadata [ 822.035807][T21600] EXT4-fs (loop5): pa ffff888111e85c78: logic 128, phys. 385, len 8 [ 822.043978][T21600] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.044105][T21611] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.063268][T21598] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 822.100539][T21600] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 822.117035][T21611] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.150425][T21616] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.165427][T21611] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4316: Allocating blocks 497-513 which overlap fs metadata [ 822.179491][T21616] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.207276][T21611] EXT4-fs (loop6): pa ffff8881313801f8: logic 128, phys. 385, len 8 [ 822.215397][T21611] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.239762][T21623] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.246319][T21616] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4318: Allocating blocks 497-513 which overlap fs metadata [ 822.273860][T21618] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.280062][T21616] EXT4-fs (loop0): pa ffff888131289a80: logic 128, phys. 385, len 8 [ 822.294250][T21616] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.307649][T21623] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.308659][T21626] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.356342][T21623] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4319: Allocating blocks 497-513 which overlap fs metadata [ 822.369921][T21618] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.385501][T21623] EXT4-fs (loop4): pa ffff888131257930: logic 128, phys. 385, len 8 [ 822.406145][T21623] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.424852][T21618] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4317: Allocating blocks 497-513 which overlap fs metadata [ 822.441314][T21615] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 822.456056][T21618] EXT4-fs (loop1): pa ffff888131257e70: logic 128, phys. 385, len 8 [ 822.464180][T21618] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.476567][T21623] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 822.500678][T21626] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.514004][T21618] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 822.536199][T21626] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4320: Allocating blocks 497-513 which overlap fs metadata [ 822.559377][T21634] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.571118][T21626] EXT4-fs (loop5): pa ffff888131257dc8: logic 128, phys. 385, len 8 [ 822.579426][T21626] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.595232][T21634] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.643706][T21634] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4321: Allocating blocks 497-513 which overlap fs metadata [ 822.660758][T21644] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.674034][T21634] EXT4-fs (loop6): pa ffff88813120c930: logic 128, phys. 385, len 8 [ 822.675683][T21640] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.682313][T21634] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.715587][T21644] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.726477][T21640] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.773179][T21634] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 822.779464][T21640] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4322: Allocating blocks 497-513 which overlap fs metadata [ 822.796077][T21644] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4323: Allocating blocks 497-513 which overlap fs metadata [ 822.809602][T21640] EXT4-fs (loop0): pa ffff888120c84c78: logic 128, phys. 385, len 8 [ 822.815663][T21651] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.823610][T21640] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.846558][T21644] EXT4-fs (loop4): pa ffff888111fa2738: logic 128, phys. 385, len 8 [ 822.854657][T21644] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 822.865122][T21653] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.897709][T21654] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 822.918601][T21653] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.946890][T21651] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 822.974750][T21661] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 822.980064][T21643] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.001415][T21653] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4325: Allocating blocks 497-513 which overlap fs metadata [ 823.008281][T21661] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 823.064092][T21651] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4324: Allocating blocks 497-513 which overlap fs metadata [ 823.069427][T21661] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4326: Allocating blocks 497-513 which overlap fs metadata [ 823.078237][T21653] EXT4-fs (loop5): pa ffff888120c84d20: logic 128, phys. 385, len 8 [ 823.092354][T21651] EXT4-fs (loop1): pa ffff888111fa2d20: logic 128, phys. 385, len 8 [ 823.100006][T21653] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.108023][T21651] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.147262][T21661] EXT4-fs (loop6): pa ffff88813104d348: logic 128, phys. 385, len 8 [ 823.155490][T21661] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.168257][T21652] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.213603][T21649] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.219604][T21670] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.229972][T21660] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.240711][T21668] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.272802][T21670] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 823.308886][T21670] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4328: Allocating blocks 497-513 which overlap fs metadata [ 823.308969][T21673] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.323113][T21670] EXT4-fs (loop4): pa ffff88813104dbd0: logic 128, phys. 385, len 8 [ 823.342904][T21670] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.374732][T21681] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.387462][T21668] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,nogrpid,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,stripe=0x000000000000a40c,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 823.389502][T21679] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.423931][T21668] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4327: Allocating blocks 497-513 which overlap fs metadata [ 823.442334][T21673] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4329: Allocating blocks 497-513 which overlap fs metadata [ 823.460683][T21682] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.469169][T21668] EXT4-fs (loop0): pa ffff88813104d5e8: logic 128, phys. 385, len 8 [ 823.473105][T21673] EXT4-fs (loop5): pa ffff8881313809d8: logic 128, phys. 385, len 8 [ 823.481048][T21668] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, [ 823.488997][T21673] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.507562][T21668] free 0, pa_free 1 [ 823.521944][T21681] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4330: Allocating blocks 497-513 which overlap fs metadata [ 823.543476][T21668] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.563794][T21681] EXT4-fs (loop1): pa ffff888131380150: logic 128, phys. 385, len 8 [ 823.571873][T21681] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.583643][T21673] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.606706][T21682] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4331: Allocating blocks 497-513 which overlap fs metadata [ 823.623087][T21692] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.635291][T21682] EXT4-fs (loop6): pa ffff888120c3b1f8: logic 128, phys. 385, len 8 [ 823.643331][T21682] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.683440][T21681] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.690985][T21693] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.720142][T21695] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.733716][T21698] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.768677][T21692] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4332: Allocating blocks 497-513 which overlap fs metadata [ 823.775747][T21695] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4333: Allocating blocks 497-513 which overlap fs metadata [ 823.783509][T21692] EXT4-fs (loop4): pa ffff888120c3b5e8: logic 128, phys. 385, len 8 [ 823.797995][T21695] EXT4-fs (loop0): pa ffff8881311173f0: logic 128, phys. 385, len 8 [ 823.804593][T21692] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, [ 823.812578][T21695] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, [ 823.812585][T21692] free 0, pa_free 1 [ 823.816505][T21701] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.821049][T21695] free 0, pa_free 1 [ 823.879259][T21698] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4334: Allocating blocks 497-513 which overlap fs metadata [ 823.901574][T21706] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.918089][T21698] EXT4-fs (loop5): pa ffff88813126fe70: logic 128, phys. 385, len 8 [ 823.926218][T21698] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 823.939129][T21701] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4335: Allocating blocks 497-513 which overlap fs metadata [ 823.957680][T21711] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 823.962176][T21712] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 823.969994][T21701] EXT4-fs (loop1): pa ffff88813129f0a8: logic 128, phys. 385, len 8 [ 823.992782][T21701] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.033926][T21701] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.059748][T21711] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4336: Allocating blocks 497-513 which overlap fs metadata [ 824.071376][T21715] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.089561][T21711] EXT4-fs (loop6): pa ffff88813129f738: logic 128, phys. 385, len 8 [ 824.094261][T21721] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.097601][T21711] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.131051][T21715] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4337: Allocating blocks 497-513 which overlap fs metadata [ 824.137643][T21720] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.172546][T21715] EXT4-fs (loop4): pa ffff888111f807e0: logic 128, phys. 385, len 8 [ 824.176938][T21721] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4339: Allocating blocks 497-513 which overlap fs metadata [ 824.180807][T21715] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.196675][T21711] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.222756][T21721] EXT4-fs (loop5): pa ffff888111f80e70: logic 128, phys. 385, len 8 [ 824.230779][T21720] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4338: Allocating blocks 497-513 which overlap fs metadata [ 824.231009][T21721] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.259529][T21720] EXT4-fs (loop0): pa ffff888111f801f8: logic 128, phys. 385, len 8 [ 824.267869][T21720] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.282580][T21721] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.304150][T21727] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.344312][T21732] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.376226][T21727] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4340: Allocating blocks 497-513 which overlap fs metadata [ 824.390678][T21727] EXT4-fs (loop1): pa ffff8881310a7000: logic 128, phys. 385, len 8 [ 824.399079][T21727] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.405551][T21738] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.410551][T21734] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.449584][T21740] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.482257][T21734] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4341: Allocating blocks 497-513 which overlap fs metadata [ 824.489252][T21738] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4342: Allocating blocks 497-513 which overlap fs metadata [ 824.508124][T21745] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.522313][T21738] EXT4-fs (loop4): pa ffff88813129f498: logic 128, phys. 385, len 8 [ 824.530463][T21738] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.541127][T21734] EXT4-fs (loop6): pa ffff8881310a7738: logic 128, phys. 385, len 8 [ 824.549195][T21734] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.560905][T21740] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4343: Allocating blocks 497-513 which overlap fs metadata [ 824.585607][T21740] EXT4-fs (loop5): pa ffff8881310a7d20: logic 128, phys. 385, len 8 [ 824.593710][T21740] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.605954][T21754] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.626021][T21745] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4344: Allocating blocks 497-513 which overlap fs metadata [ 824.648988][T21745] EXT4-fs (loop0): pa ffff888120d3cdc8: logic 128, phys. 385, len 8 [ 824.657231][T21745] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.682640][T21738] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.692092][T21754] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4345: Allocating blocks 497-513 which overlap fs metadata [ 824.712079][T21754] EXT4-fs (loop1): pa ffff888120d3c5e8: logic 128, phys. 385, len 8 [ 824.720696][T21754] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.728737][T21745] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.773373][T21760] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.811664][T21762] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.830530][T21764] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.846084][T21767] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.851878][T21762] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4346: Allocating blocks 497-513 which overlap fs metadata [ 824.866980][T21764] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4347: Allocating blocks 497-513 which overlap fs metadata [ 824.873428][T21762] EXT4-fs (loop6): pa ffff88810d15e1f8: logic 128, phys. 385, len 8 [ 824.894551][T21762] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.896793][T21768] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.918134][T21764] EXT4-fs (loop5): pa ffff8881310d85e8: logic 128, phys. 385, len 8 [ 824.918695][T21770] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 824.926169][T21764] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 824.971611][T21762] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 824.989426][T21767] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4350: Allocating blocks 497-513 which overlap fs metadata [ 825.008909][T21767] EXT4-fs (loop1): pa ffff8881313d5738: logic 128, phys. 385, len 8 [ 825.012355][T21770] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4348: Allocating blocks 497-513 which overlap fs metadata [ 825.016951][T21767] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.041756][T21770] EXT4-fs (loop4): pa ffff88810d15e000: logic 128, phys. 385, len 8 [ 825.049874][T21770] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.056354][T21768] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4349: Allocating blocks 497-513 which overlap fs metadata [ 825.095115][T21764] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.111636][T21768] EXT4-fs (loop0): pa ffff8881313d5690: logic 128, phys. 385, len 8 [ 825.119702][T21768] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.157539][T21766] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.169012][T21787] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.211958][T21785] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.241390][T21789] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.267729][T21789] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4352: Allocating blocks 497-513 which overlap fs metadata [ 825.268993][T21795] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.270718][T21791] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.298017][T21794] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.320121][T21785] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4351: Allocating blocks 497-513 which overlap fs metadata [ 825.343871][T21789] EXT4-fs (loop5): pa ffff8881328562a0: logic 128, phys. 385, len 8 [ 825.352137][T21789] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.369409][T21785] EXT4-fs (loop6): pa ffff88813119e888: logic 128, phys. 385, len 8 [ 825.376742][T21791] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4353: Allocating blocks 497-513 which overlap fs metadata [ 825.377585][T21785] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.403686][T21791] EXT4-fs (loop4): pa ffff888120d3c540: logic 128, phys. 385, len 8 [ 825.411779][T21791] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.448984][T21794] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4354: Allocating blocks 497-513 which overlap fs metadata [ 825.459936][T21800] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.472442][T21795] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4355: Allocating blocks 497-513 which overlap fs metadata [ 825.491634][T21794] EXT4-fs (loop1): pa ffff88813119e150: logic 128, phys. 385, len 8 [ 825.499753][T21794] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.506848][T21791] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.523631][T21795] EXT4-fs (loop0): pa ffff88813119eb28: logic 128, phys. 385, len 8 [ 825.532305][T21795] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.544329][T21789] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.572429][T21794] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.594761][T21795] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.631726][T21813] set_capacity_and_notify: 44 callbacks suppressed [ 825.631743][T21813] loop5: detected capacity change from 0 to 1024 [ 825.636053][T21816] loop6: detected capacity change from 0 to 1024 [ 825.655418][T21817] loop1: detected capacity change from 0 to 1024 [ 825.658282][T21813] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.665581][T21818] loop4: detected capacity change from 0 to 1024 [ 825.682581][T21818] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.689696][T21821] loop0: detected capacity change from 0 to 1024 [ 825.701534][T21817] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.713950][T21816] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.742854][T21813] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4357: Allocating blocks 497-513 which overlap fs metadata [ 825.754380][T21818] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4358: Allocating blocks 497-513 which overlap fs metadata [ 825.767502][T21821] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 825.789719][T21813] EXT4-fs (loop5): pa ffff8881328ef930: logic 128, phys. 385, len 8 [ 825.797823][T21813] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.799940][T21817] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4359: Allocating blocks 497-513 which overlap fs metadata [ 825.816430][T21816] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4356: Allocating blocks 497-513 which overlap fs metadata [ 825.821783][T21818] EXT4-fs (loop4): pa ffff88813132fa80: logic 128, phys. 385, len 8 [ 825.843583][T21818] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.855086][T21816] EXT4-fs (loop6): pa ffff88813132ff18: logic 128, phys. 385, len 8 [ 825.863326][T21816] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.875629][T21817] EXT4-fs (loop1): pa ffff8881328ef7e0: logic 128, phys. 385, len 8 [ 825.883742][T21817] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.910679][T21821] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4360: Allocating blocks 497-513 which overlap fs metadata [ 825.914996][T21813] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.943074][T21821] EXT4-fs (loop0): pa ffff8881328b9d20: logic 128, phys. 385, len 8 [ 825.945660][T21816] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: [ 825.951155][T21821] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 825.959651][T21816] block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 825.979778][T21812] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. 2026/04/20 07:29:13 executed programs: 4354 [ 826.009208][T21821] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.051912][T21841] loop1: detected capacity change from 0 to 1024 [ 826.052045][T21838] loop4: detected capacity change from 0 to 1024 [ 826.065500][T21841] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.075440][T21840] loop5: detected capacity change from 0 to 1024 [ 826.081457][T21842] loop6: detected capacity change from 0 to 1024 [ 826.091929][T21838] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.115575][T21841] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4361: Allocating blocks 497-513 which overlap fs metadata [ 826.116135][T21840] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.133785][T21847] loop0: detected capacity change from 0 to 1024 [ 826.143240][T21841] EXT4-fs (loop1): pa ffff8881313a6498: logic 128, phys. 385, len 8 [ 826.156539][T21841] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.164168][T21838] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4364: Allocating blocks 497-513 which overlap fs metadata [ 826.178127][T21842] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.193821][T21838] EXT4-fs (loop4): pa ffff888131355690: logic 128, phys. 385, len 8 [ 826.201896][T21838] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.208713][T21847] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.239573][T21841] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.259825][T21840] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4363: Allocating blocks 497-513 which overlap fs metadata [ 826.276705][T21840] EXT4-fs (loop5): pa ffff8881313551f8: logic 128, phys. 385, len 8 [ 826.284885][T21840] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.290283][T21842] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4362: Allocating blocks 497-513 which overlap fs metadata [ 826.309833][T21838] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.317654][T21847] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4365: Allocating blocks 497-513 which overlap fs metadata [ 826.344738][T21842] EXT4-fs (loop6): pa ffff8881313a63f0: logic 128, phys. 385, len 8 [ 826.352995][T21842] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.355574][T21840] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.363863][ T410] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 826.378822][T21847] EXT4-fs (loop0): pa ffff8881328b9888: logic 128, phys. 385, len 8 [ 826.397833][T21847] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.408419][ T410] EXT4-fs (loop4): This should not happen!! Data will be lost [ 826.408419][ T410] [ 826.423571][ T410] EXT4-fs (loop4): Total free blocks count 0 [ 826.431298][T21858] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.450602][T21860] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.456816][T21861] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.478572][ T410] EXT4-fs (loop4): Free/Dirty block details [ 826.484627][ T410] EXT4-fs (loop4): free_blocks=32 [ 826.489962][ T410] EXT4-fs (loop4): dirty_blocks=0 [ 826.495146][ T410] EXT4-fs (loop4): Block reservation details [ 826.503176][ T410] EXT4-fs (loop4): i_reserved_data_blocks=0 [ 826.521021][T21860] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4366: Allocating blocks 497-513 which overlap fs metadata [ 826.535321][T21860] EXT4-fs (loop1): pa ffff8881328b99d8: logic 128, phys. 385, len 8 [ 826.543536][T21860] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.563682][T21869] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.573732][T21860] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.590885][T21868] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.604940][T21865] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.638844][T21871] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.653995][T21868] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4369: Allocating blocks 497-513 which overlap fs metadata [ 826.661754][T21869] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4370: Allocating blocks 497-513 which overlap fs metadata [ 826.670703][T21865] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4368: Allocating blocks 497-513 which overlap fs metadata [ 826.697183][T21868] EXT4-fs (loop0): pa ffff888131289690: logic 128, phys. 385, len 8 [ 826.705253][T21868] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.715702][T21865] EXT4-fs (loop5): pa ffff8881312c4540: logic 128, phys. 385, len 8 [ 826.723792][T21865] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.758645][T21869] EXT4-fs (loop6): pa ffff8881328b9150: logic 128, phys. 385, len 8 [ 826.766689][T21869] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.780705][T21868] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.795292][T21881] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 826.811260][T21871] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4367: Allocating blocks 497-513 which overlap fs metadata [ 826.827307][T21871] EXT4-fs (loop4): pa ffff888111e85738: logic 128, phys. 385, len 8 [ 826.835587][T21871] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.877634][T21881] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4371: Allocating blocks 497-513 which overlap fs metadata [ 826.894675][T21871] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.895666][T21869] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 826.912944][T21881] EXT4-fs (loop1): pa ffff888111e85498: logic 128, phys. 385, len 8 [ 826.932032][T21881] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 826.997387][T21891] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.024912][T21891] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4373: Allocating blocks 497-513 which overlap fs metadata [ 827.033128][T21895] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.051431][T21894] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.055913][T21891] EXT4-fs (loop5): pa ffff8881310d8348: logic 128, phys. 385, len 8 [ 827.064102][T21889] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.071713][T21891] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.101640][T21891] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.107664][T21895] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4374: Allocating blocks 497-513 which overlap fs metadata [ 827.125702][T21894] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4375: Allocating blocks 497-513 which overlap fs metadata [ 827.130460][T21895] EXT4-fs (loop4): pa ffff8881312891f8: logic 128, phys. 385, len 8 [ 827.151895][T21895] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.152994][T21889] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4372: Allocating blocks 497-513 which overlap fs metadata [ 827.168010][T21894] EXT4-fs (loop6): pa ffff888132856000: logic 128, phys. 385, len 8 [ 827.183680][T21894] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.196798][T21889] EXT4-fs (loop0): pa ffff888131375b28: logic 128, phys. 385, len 8 [ 827.204872][T21889] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.215577][T21897] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.217128][T21907] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.279927][T21909] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.305574][T21897] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4376: Allocating blocks 497-513 which overlap fs metadata [ 827.321026][T21897] EXT4-fs (loop1): pa ffff888120c847e0: logic 128, phys. 385, len 8 [ 827.329173][T21897] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.343252][T15262] EXT4-fs (loop6): pa ffff888131257000: logic 44, phys. 337, len 9 [ 827.351370][T15262] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 8, pa_free 7 [ 827.355412][T21914] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.384755][T21897] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.400443][T21916] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.427583][T21916] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4378: Allocating blocks 497-513 which overlap fs metadata [ 827.452298][T21914] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4377: Allocating blocks 497-513 which overlap fs metadata [ 827.467827][T21914] EXT4-fs (loop5): pa ffff8881312575e8: logic 128, phys. 385, len 8 [ 827.475884][T21914] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.489784][T21916] EXT4-fs (loop4): pa ffff888131375dc8: logic 128, phys. 385, len 8 [ 827.497938][T21916] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.525960][T21914] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.533295][T21925] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.541834][T21927] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.564197][T21916] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.566427][T21926] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.615092][T21927] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4381: Allocating blocks 497-513 which overlap fs metadata [ 827.631251][T21927] EXT4-fs (loop1): pa ffff888131257bd0: logic 128, phys. 385, len 8 [ 827.639437][T21927] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.646084][T21925] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4380: Allocating blocks 497-513 which overlap fs metadata [ 827.656275][T21926] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4379: Allocating blocks 497-513 which overlap fs metadata [ 827.680399][T21926] EXT4-fs (loop0): pa ffff88813104d9d8: logic 128, phys. 385, len 8 [ 827.688743][T21926] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.690767][T21927] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.700301][T21925] EXT4-fs (loop6): pa ffff888111fa2bd0: logic 128, phys. 385, len 8 [ 827.717246][T21937] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.721230][T21925] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.764933][T21926] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.790063][T21941] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.809023][T21937] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4382: Allocating blocks 497-513 which overlap fs metadata [ 827.827898][T21937] EXT4-fs (loop5): pa ffff88813104d7e0: logic 128, phys. 385, len 8 [ 827.835954][T21937] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.836863][T21923] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.889209][T21941] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4383: Allocating blocks 497-513 which overlap fs metadata [ 827.895888][T21937] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 827.903867][T21941] EXT4-fs (loop4): pa ffff88813126f498: logic 128, phys. 385, len 8 [ 827.925858][T21941] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 827.941219][T21950] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 827.958207][T21949] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.005465][T21950] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4384: Allocating blocks 497-513 which overlap fs metadata [ 828.017066][T21949] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4385: Allocating blocks 497-513 which overlap fs metadata [ 828.019934][T21950] EXT4-fs (loop1): pa ffff88813126f150: logic 128, phys. 385, len 8 [ 828.041511][T21950] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.069357][T21949] EXT4-fs (loop0): pa ffff888120c843f0: logic 128, phys. 385, len 8 [ 828.077410][T21949] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.085780][T21950] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.112089][T21960] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.112937][T21957] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.136166][T21962] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.142862][T21959] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.210485][T21962] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4388: Allocating blocks 497-513 which overlap fs metadata [ 828.224788][T21962] EXT4-fs (loop4): pa ffff88813126fe70: logic 128, phys. 385, len 8 [ 828.229706][T21957] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4386: Allocating blocks 497-513 which overlap fs metadata [ 828.232931][T21962] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.248703][T21959] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4387: Allocating blocks 497-513 which overlap fs metadata [ 828.271904][T21957] EXT4-fs (loop6): pa ffff888131380bd0: logic 128, phys. 385, len 8 [ 828.280159][T21957] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.294372][T21965] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.297004][T21973] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.306550][T21971] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.328261][T21959] EXT4-fs (loop5): pa ffff8881328543f0: logic 128, phys. 385, len 8 [ 828.341117][T21959] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.393255][T21965] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4389: Allocating blocks 497-513 which overlap fs metadata [ 828.395117][T21957] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.429552][T21959] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.438152][T21965] EXT4-fs (loop1): pa ffff888131380690: logic 128, phys. 385, len 8 [ 828.452469][T21965] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.465118][ T332] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 828.474222][T21971] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4390: Allocating blocks 497-513 which overlap fs metadata [ 828.491666][ T332] EXT4-fs (loop5): This should not happen!! Data will be lost [ 828.491666][ T332] [ 828.491690][ T332] EXT4-fs (loop5): Total free blocks count 0 [ 828.491704][ T332] EXT4-fs (loop5): Free/Dirty block details [ 828.491715][ T332] EXT4-fs (loop5): free_blocks=32 [ 828.491728][ T332] EXT4-fs (loop5): dirty_blocks=0 [ 828.491739][ T332] EXT4-fs (loop5): Block reservation details [ 828.491749][ T332] EXT4-fs (loop5): i_reserved_data_blocks=0 [ 828.525816][T21984] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.538544][T21981] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.554281][T21971] EXT4-fs (loop0): pa ffff8881328540a8: logic 128, phys. 385, len 8 [ 828.570401][T21971] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.589930][T21981] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4391: Allocating blocks 497-513 which overlap fs metadata [ 828.605755][T21981] EXT4-fs (loop4): pa ffff888111f80c78: logic 128, phys. 385, len 8 [ 828.613907][T21981] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.614393][T21970] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.661789][T21989] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.677895][T21981] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 828.703725][T21989] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4392: Allocating blocks 497-513 which overlap fs metadata [ 828.718080][T21989] EXT4-fs (loop5): pa ffff888111f805e8: logic 128, phys. 385, len 8 [ 828.726187][T21989] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.738311][T21992] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.747928][T21994] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.757697][T21995] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.809503][T21999] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.826268][T21994] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4393: Allocating blocks 497-513 which overlap fs metadata [ 828.841772][T21994] EXT4-fs (loop6): pa ffff8881311175e8: logic 128, phys. 385, len 8 [ 828.849930][T21994] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.869435][T21992] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4394: Allocating blocks 497-513 which overlap fs metadata [ 828.910943][T22010] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 828.915146][T21995] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4395: Allocating blocks 497-513 which overlap fs metadata [ 828.936348][T21992] EXT4-fs (loop1): pa ffff888111f800a8: logic 128, phys. 385, len 8 [ 828.944984][T21992] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.947118][T21999] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4396: Allocating blocks 497-513 which overlap fs metadata [ 828.973212][T21995] EXT4-fs (loop0): pa ffff8881310a7000: logic 128, phys. 385, len 8 [ 828.973346][T21999] EXT4-fs (loop4): pa ffff8881310a7540: logic 128, phys. 385, len 8 [ 828.981397][T21995] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 828.989494][T21999] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.045625][T22010] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4397: Allocating blocks 497-513 which overlap fs metadata [ 829.049354][T21992] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.063917][T21998] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.091052][T22010] EXT4-fs (loop5): pa ffff8881310d8738: logic 128, phys. 385, len 8 [ 829.099121][T22010] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.109869][ T410] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 829.122353][ T410] EXT4-fs (loop1): This should not happen!! Data will be lost [ 829.122353][ T410] [ 829.132404][ T410] EXT4-fs (loop1): Total free blocks count 0 [ 829.138474][ T410] EXT4-fs (loop1): Free/Dirty block details [ 829.139641][T22017] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.144618][ T410] EXT4-fs (loop1): free_blocks=32 [ 829.173078][ T410] EXT4-fs (loop1): dirty_blocks=0 [ 829.173479][T22019] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.190780][ T410] EXT4-fs (loop1): Block reservation details [ 829.196873][ T410] EXT4-fs (loop1): i_reserved_data_blocks=0 [ 829.215826][T22021] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.225841][T22019] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4398: Allocating blocks 497-513 which overlap fs metadata [ 829.242510][T22019] EXT4-fs (loop6): pa ffff8881310d8d20: logic 128, phys. 385, len 8 [ 829.250610][T22019] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.270712][T22021] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4399: Allocating blocks 497-513 which overlap fs metadata [ 829.280324][T22019] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.285224][T22021] EXT4-fs (loop0): pa ffff8881310d8e70: logic 128, phys. 385, len 8 [ 829.307202][T22021] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.319857][T22027] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.321621][T22029] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.349719][T22033] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.360597][T22029] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4401: Allocating blocks 497-513 which overlap fs metadata [ 829.389354][T22025] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.399510][T22029] EXT4-fs (loop1): pa ffff88813129fb28: logic 128, phys. 385, len 8 [ 829.409483][T22029] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.413975][T22027] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4402: Allocating blocks 497-513 which overlap fs metadata [ 829.444845][T22027] EXT4-fs (loop5): pa ffff8881310d80a8: logic 128, phys. 385, len 8 [ 829.446138][T22029] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369: [ 829.453104][T22027] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, [ 829.453110][T22029] freeing already freed block (bit 23); block bitmap corrupt. [ 829.466493][T22025] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4400: Allocating blocks 497-513 which overlap fs metadata [ 829.471323][T22027] free 0, pa_free 1 [ 829.494435][T22025] EXT4-fs (loop4): pa ffff88810d15e0a8: logic 128, phys. 385, len 8 [ 829.504849][T22025] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.520311][T22039] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.520594][T22027] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.615584][T22047] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.633523][T22039] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4403: Allocating blocks 497-513 which overlap fs metadata [ 829.648304][T22039] EXT4-fs (loop6): pa ffff88810d15e9d8: logic 128, phys. 385, len 8 [ 829.656322][T22039] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.670764][T22050] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.703030][T22047] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4404: Allocating blocks 497-513 which overlap fs metadata [ 829.718230][T22047] EXT4-fs (loop0): pa ffff88810d15e540: logic 128, phys. 385, len 8 [ 829.726267][T22047] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.731267][T22050] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4405: Allocating blocks 497-513 which overlap fs metadata [ 829.750661][T22050] EXT4-fs (loop1): pa ffff888132854b28: logic 128, phys. 385, len 8 [ 829.758824][T22050] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.762028][T22054] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.769810][T22047] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.798553][T22058] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.829764][T22050] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.864232][T22054] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4406: Allocating blocks 497-513 which overlap fs metadata [ 829.881088][T22054] EXT4-fs (loop5): pa ffff888132854dc8: logic 128, phys. 385, len 8 [ 829.889264][T22054] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.889457][T22058] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4407: Allocating blocks 497-513 which overlap fs metadata [ 829.925765][T22054] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 829.940613][T22068] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.940985][T22058] EXT4-fs (loop4): pa ffff8881313d52a0: logic 128, phys. 385, len 8 [ 829.960688][T22058] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 829.961149][T22066] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 829.999730][T22068] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4409: Allocating blocks 497-513 which overlap fs metadata [ 830.010368][T22066] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4408: Allocating blocks 497-513 which overlap fs metadata [ 830.015137][T22072] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.038328][T22068] EXT4-fs (loop0): pa ffff8881313d5000: logic 128, phys. 385, len 8 [ 830.047724][T22066] EXT4-fs (loop6): pa ffff88813132f7e0: logic 128, phys. 385, len 8 [ 830.049891][T22068] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, [ 830.058063][T22066] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, [ 830.058065][T22068] free 0, pa_free 1 [ 830.058079][T22066] free 0, pa_free 1 [ 830.094366][T22079] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.108272][T22066] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.119514][T22071] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.136773][T22080] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.167862][T22071] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4410: Allocating blocks 497-513 which overlap fs metadata [ 830.168307][T22080] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4411: Allocating blocks 497-513 which overlap fs metadata [ 830.183829][T22071] EXT4-fs (loop1): pa ffff888120c7e498: logic 128, phys. 385, len 8 [ 830.197100][T22080] EXT4-fs (loop5): pa ffff88813119e7e0: logic 128, phys. 385, len 8 [ 830.204739][T22071] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, [ 830.212742][T22080] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, [ 830.212744][T22071] free 0, pa_free 1 [ 830.233851][T22080] free 0, pa_free 1 [ 830.248223][T22071] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.253476][T22083] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.288136][T22080] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.302852][T22093] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.315152][T22092] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.351798][T22093] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4414: Allocating blocks 497-513 which overlap fs metadata [ 830.352810][T22083] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4412: Allocating blocks 497-513 which overlap fs metadata [ 830.383094][T22096] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.386070][T22093] EXT4-fs (loop0): pa ffff88813119e888: logic 128, phys. 385, len 8 [ 830.403613][T22093] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.414042][T22083] EXT4-fs (loop4): pa ffff888120c7e5e8: logic 128, phys. 385, len 8 [ 830.422114][T22083] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.422357][T22092] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4413: Allocating blocks 497-513 which overlap fs metadata [ 830.447533][T22092] EXT4-fs (loop6): pa ffff888120c7e3f0: logic 128, phys. 385, len 8 [ 830.455669][T22092] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.495711][T22096] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4415: Allocating blocks 497-513 which overlap fs metadata [ 830.496587][T22092] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.535804][T22108] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.540060][T22096] EXT4-fs (loop1): pa ffff888131318f18: logic 128, phys. 385, len 8 [ 830.555987][T22096] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.590532][T22083] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.598188][T22090] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.651580][T22108] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4416: Allocating blocks 497-513 which overlap fs metadata [ 830.679945][T22115] set_capacity_and_notify: 51 callbacks suppressed [ 830.679963][T22115] loop6: detected capacity change from 0 to 1024 [ 830.680695][T22114] loop4: detected capacity change from 0 to 1024 [ 830.699567][T22108] EXT4-fs (loop5): pa ffff888131318dc8: logic 128, phys. 385, len 8 [ 830.707657][T22108] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.718979][T22114] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.718979][T22115] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.744825][T22117] loop1: detected capacity change from 0 to 1024 [ 830.769277][T22117] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.778380][T22123] loop0: detected capacity change from 0 to 1024 [ 830.784709][T22115] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4417: Allocating blocks 497-513 which overlap fs metadata [ 830.802763][T22123] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 830.807980][T22115] EXT4-fs (loop6): pa ffff88813119ed20: logic 128, phys. 385, len 8 [ 830.822992][T22115] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.869493][T22117] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4419: Allocating blocks 497-513 which overlap fs metadata [ 830.875895][T22114] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4418: Allocating blocks 497-513 which overlap fs metadata [ 830.899463][T22114] EXT4-fs (loop4): pa ffff8881313a63f0: logic 128, phys. 385, len 8 [ 830.907517][T22114] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.907577][T22123] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4420: Allocating blocks 497-513 which overlap fs metadata [ 830.930149][T22117] EXT4-fs (loop1): pa ffff888111d82738: logic 128, phys. 385, len 8 [ 830.938096][T22123] EXT4-fs (loop0): pa ffff8881313a6000: logic 128, phys. 385, len 8 [ 830.939333][T22117] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.947269][T22123] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 830.969822][T22131] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.984490][T22113] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 830.997535][T22123] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. 2026/04/20 07:29:18 executed programs: 4415 [ 831.038236][T22134] loop5: detected capacity change from 0 to 1024 [ 831.039301][T22116] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.065870][T22134] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.100704][T22138] loop0: detected capacity change from 0 to 1024 [ 831.110232][T22137] loop4: detected capacity change from 0 to 1024 [ 831.113834][T22140] loop6: detected capacity change from 0 to 1024 [ 831.120453][T22142] loop1: detected capacity change from 0 to 1024 [ 831.131617][T22134] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4421: Allocating blocks 497-513 which overlap fs metadata [ 831.146036][T22134] EXT4-fs (loop5): pa ffff8881328b9bd0: logic 128, phys. 385, len 8 [ 831.154173][T22134] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.160822][T22137] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.176452][T22138] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.184885][T22142] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.205635][T22140] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.220232][T22134] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.266862][T22138] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4423: Allocating blocks 497-513 which overlap fs metadata [ 831.282266][T22138] EXT4-fs (loop0): pa ffff888111e85000: logic 128, phys. 385, len 8 [ 831.290514][T22138] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.294326][T22137] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4422: Allocating blocks 497-513 which overlap fs metadata [ 831.323557][T22137] EXT4-fs (loop4): pa ffff888111e850a8: logic 128, phys. 385, len 8 [ 831.330832][T22140] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4424: Allocating blocks 497-513 which overlap fs metadata [ 831.331740][T22137] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.373290][T22140] EXT4-fs (loop6): pa ffff888111e85498: logic 128, phys. 385, len 8 [ 831.376940][T22138] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.381475][T22140] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.415665][T22142] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4425: Allocating blocks 497-513 which overlap fs metadata [ 831.418939][T22156] loop5: detected capacity change from 0 to 1024 [ 831.430728][T22142] EXT4-fs (loop1): pa ffff8881328b91f8: logic 128, phys. 385, len 8 [ 831.444008][T22142] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.459399][T22156] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.474916][T22159] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 15: block 321:freeing already freed block (bit 20); block bitmap corrupt. [ 831.508396][T22136] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.531154][T22156] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4426: Allocating blocks 497-513 which overlap fs metadata [ 831.537332][T22141] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.550045][T22156] EXT4-fs (loop5): pa ffff888131289a80: logic 128, phys. 385, len 8 [ 831.568431][T22156] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.602188][T22156] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.669965][T22163] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.682795][T22169] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.692255][T22170] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.714147][T22169] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4428: Allocating blocks 497-513 which overlap fs metadata [ 831.726116][T22163] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4427: Allocating blocks 497-513 which overlap fs metadata [ 831.733954][T22169] EXT4-fs (loop4): pa ffff8881313752a0: logic 128, phys. 385, len 8 [ 831.742195][T22166] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.750242][T22169] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.768174][T22172] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 831.773820][T22163] EXT4-fs (loop0): pa ffff8881312899d8: logic 128, phys. 385, len 8 [ 831.792404][T22163] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.810211][T22181] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.815063][T22170] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4430: Allocating blocks 497-513 which overlap fs metadata [ 831.872346][T22166] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4429: Allocating blocks 497-513 which overlap fs metadata [ 831.888080][T22166] EXT4-fs (loop6): pa ffff88813132f498: logic 128, phys. 385, len 8 [ 831.896233][T22166] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.914868][T22170] EXT4-fs (loop1): pa ffff88813132fb28: logic 128, phys. 385, len 8 [ 831.923081][T22170] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 831.938671][T22172] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4431: Allocating blocks 497-513 which overlap fs metadata [ 831.943210][T22162] EXT4-fs error (device loop0): mb_free_blocks:1874: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 831.983753][T22172] EXT4-fs (loop5): pa ffff888120c84dc8: logic 128, phys. 385, len 8 [ 831.991876][T22172] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 832.009545][T22188] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 832.038073][T22185] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 832.058313][T22170] EXT4-fs error (device loop1): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 832.067467][T22172] EXT4-fs error (device loop5): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 832.095608][ T8] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 48 with max blocks 1 with error 28 [ 832.108377][T22188] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3885: comm syz.4.4432: Allocating blocks 497-513 which overlap fs metadata [ 832.113905][ T8] EXT4-fs (loop1): This should not happen!! Data will be lost [ 832.113905][ T8] [ 832.132115][T22188] EXT4-fs (loop4): pa ffff888120c84e70: logic 128, phys. 385, len 8 [ 832.132293][ T8] EXT4-fs (loop1): Total free blocks count 0 [ 832.140235][T22188] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 832.146550][ T8] EXT4-fs (loop1): Free/Dirty block details [ 832.158892][T22193] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 832.176414][ T8] EXT4-fs (loop1): free_blocks=32 [ 832.182583][ T8] EXT4-fs (loop1): dirty_blocks=0 [ 832.188364][ T8] EXT4-fs (loop1): Block reservation details [ 832.194111][T22188] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 832.194793][ T8] EXT4-fs (loop1): i_reserved_data_blocks=0 [ 832.244952][T22193] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3885: comm syz.0.4433: Allocating blocks 497-513 which overlap fs metadata [ 832.259075][T22197] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 832.263029][T22199] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 832.288359][T22193] EXT4-fs (loop0): pa ffff8881312c4690: logic 128, phys. 385, len 8 [ 832.296739][T22193] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 832.320070][T22197] EXT4-fs error (device loop6): ext4_mb_mark_diskspace_used:3885: comm syz.6.4434: Allocating blocks 497-513 which overlap fs metadata [ 832.329044][T22201] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 832.348364][T22197] EXT4-fs (loop6): pa ffff8881312c4c78: logic 128, phys. 385, len 8 [ 832.356408][T22197] EXT4-fs error (device loop6): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 832.367032][ T8] ------------[ cut here ]------------ [ 832.372714][ T8] kernel BUG at fs/ext4/mballoc.c:4219! [ 832.378420][ T8] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 832.380330][T22199] EXT4-fs error (device loop5): ext4_mb_mark_diskspace_used:3885: comm syz.5.4436: Allocating blocks 497-513 which overlap fs metadata [ 832.384508][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 832.384529][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 832.398841][T22199] EXT4-fs (loop5): pa ffff888111fa2bd0: logic 128, phys. 385, len 8 [ 832.405764][ T8] Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work [ 832.415948][T22199] EXT4-fs error (device loop5): ext4_mb_release_inode_pa:4902: group 0, [ 832.423880][ T8] [ 832.423889][ T8] RIP: 0010:ext4_mb_normalize_request+0x192c/0x1990 [ 832.430688][T22199] free 0, pa_free 1 [ 832.439076][ T8] Code: ff e8 48 ea 8b ff 48 c7 c7 a0 b1 89 86 48 89 de 48 8b 55 c8 e8 45 a2 90 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 [ 832.439094][ T8] RSP: 0018:ffffc900000873c8 EFLAGS: 00010293 [ 832.477641][ T8] RAX: ffffffff81dddcbc RBX: 0000000000000000 RCX: ffff8881002713c0 [ 832.485714][ T8] RDX: 0000000000000000 RSI: 0000000000000027 RDI: 0000000000000030 [ 832.493819][ T8] RBP: ffffc900000874b0 R08: 0000000000000003 R09: 0000000000000004 [ 832.501816][ T8] R10: dffffc0000000000 R11: fffff52000010e68 R12: 0000000000000030 [ 832.509982][ T8] R13: 0000000000000027 R14: ffff8881313753f0 R15: 0000000000000027 [ 832.517957][ T8] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 832.526963][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 832.533555][ T8] CR2: 00007f4686b25000 CR3: 000000010d6c3000 CR4: 00000000003506b0 [ 832.541531][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 832.549513][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 832.557483][ T8] Call Trace: [ 832.560762][ T8] [ 832.563697][ T8] ext4_mb_new_blocks+0xbfd/0x42c0 [ 832.568810][ T8] ? __getblk_gfp+0x42/0x7d0 [ 832.573404][ T8] ? memcpy+0x56/0x70 [ 832.577387][ T8] ? ext4_mb_pa_callback+0xd0/0xd0 [ 832.582508][ T8] ? ext4_ext_check_overlap+0x433/0x5c0 [ 832.588212][ T8] ? ext4_ext_find_goal+0x108/0x200 [ 832.593530][ T8] ext4_ext_map_blocks+0x1722/0x61e0 [ 832.598928][ T8] ? stack_trace_save+0xf0/0xf0 [ 832.603786][ T8] ? arch_stack_walk+0x108/0x140 [ 832.608725][ T8] ? ret_from_fork+0x1f/0x30 [ 832.613316][ T8] ? stack_trace_save+0xa6/0xf0 [ 832.618167][ T8] ? ext4_ext_release+0x10/0x10 [ 832.623020][ T8] ? __stack_depot_save+0x34/0x480 [ 832.628150][ T8] ? ext4_es_lookup_extent+0x54c/0x900 [ 832.633699][ T8] ext4_map_blocks+0x988/0x1b30 [ 832.638552][ T8] ? ext4_issue_zeroout+0x250/0x250 [ 832.643783][ T8] ? ext4_journal_check_start+0x172/0x240 [ 832.649501][ T8] ? ext4_convert_unwritten_extents+0x27f/0x5f0 [ 832.655919][ T8] ? __ext4_journal_start_sb+0x154/0x2b0 [ 832.661554][ T8] ext4_convert_unwritten_extents+0x2b7/0x5f0 [ 832.667725][ T8] ? ____kasan_slab_free+0x130/0x160 [ 832.673091][ T8] ? trace_ext4_fallocate_exit+0x130/0x130 [ 832.678905][ T8] ? kmem_cache_free+0x100/0x320 [ 832.683964][ T8] ext4_convert_unwritten_io_end_vec+0x103/0x180 [ 832.690338][ T8] ext4_end_io_rsv_work+0x2c1/0x610 [ 832.695643][ T8] ? ext4_last_io_end_vec+0x70/0x70 [ 832.700971][ T8] process_one_work+0x6be/0xba0 [ 832.705872][ T8] worker_thread+0xa59/0x1200 [ 832.710568][ T8] kthread+0x411/0x500 [ 832.714746][ T8] ? worker_clr_flags+0x190/0x190 [ 832.719777][ T8] ? kthread_blkcg+0xd0/0xd0 [ 832.724388][ T8] ret_from_fork+0x1f/0x30 [ 832.728953][ T8] [ 832.732009][ T8] Modules linked in: [ 832.736164][ T8] ---[ end trace f87a43cd90fc1c81 ]--- [ 832.741937][ T8] RIP: 0010:ext4_mb_normalize_request+0x192c/0x1990 [ 832.748598][ T8] Code: ff e8 48 ea 8b ff 48 c7 c7 a0 b1 89 86 48 89 de 48 8b 55 c8 e8 45 a2 90 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 [ 832.759015][T22197] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 18: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 832.768316][ T8] RSP: 0018:ffffc900000873c8 EFLAGS: 00010293 [ 832.788845][ T8] RAX: ffffffff81dddcbc RBX: 0000000000000000 RCX: ffff8881002713c0 [ 832.796840][ T8] RDX: 0000000000000000 RSI: 0000000000000027 RDI: 0000000000000030 [ 832.804968][ T8] RBP: ffffc900000874b0 R08: 0000000000000003 R09: 0000000000000004 [ 832.807875][T22201] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3885: comm syz.1.4435: Allocating blocks 497-513 which overlap fs metadata [ 832.812993][ T8] R10: dffffc0000000000 R11: fffff52000010e68 R12: 0000000000000030 [ 832.827401][T22201] EXT4-fs (loop1): pa ffff88813104d2a0: logic 128, phys. 385, len 8 [ 832.834897][ T8] R13: 0000000000000027 R14: ffff8881313753f0 R15: 0000000000000027 [ 832.843060][T22201] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4902: group 0, [ 832.850970][ T8] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 832.850988][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 832.851002][ T8] CR2: 00007f4686b25000 CR3: 000000010d6c3000 CR4: 00000000003506b0 [ 832.851020][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 832.851032][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 832.851046][ T8] Kernel panic - not syncing: Fatal exception [ 832.851532][ T8] Kernel Offset: disabled [ 832.910390][ T8] Rebooting in 86400 seconds..