ing with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 32.978921][ T524] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 33.017070][ T524] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.37: Allocating blocks 497-513 which overlap fs metadata [ 33.031494][ T524] EXT4-fs (loop2): pa ffff888120f75f18: logic 128, phys. 385, len 8 [ 33.039903][ T524] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 33.069951][ T524] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.37: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.088289][ T524] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 33.101781][ T524] EXT4-fs (loop2): This should not happen!! Data will be lost [ 33.101781][ T524] [ 33.112724][ T524] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.37: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.131474][ T524] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 33.298895][ T530] EXT4-fs (loop2): Ignoring removed bh option [ 33.305588][ T530] EXT4-fs (loop2): Ignoring removed oldalloc option [ 33.313702][ T530] EXT4-fs (loop2): Ignoring removed nobh option [ 33.320563][ T530] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 33.338684][ T530] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 33.379852][ T530] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.38: Allocating blocks 497-513 which overlap fs metadata [ 33.394014][ T530] EXT4-fs (loop2): pa ffff888120fd5a80: logic 128, phys. 385, len 8 [ 33.402270][ T530] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 33.433042][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.453274][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 129: len 3: ext4_ext_map_blocks returned -117 [ 33.453344][ T530] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.38: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.468072][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 33.486028][ T530] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 134 with max blocks 2 with error 117 [ 33.512085][ T530] EXT4-fs (loop2): This should not happen!! Data will be lost [ 33.512085][ T530] [ 33.522987][ T530] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.38: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.541312][ T530] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.38: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.559271][ T530] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 132: len 2: ext4_ext_map_blocks returned -117 [ 33.707031][ T537] EXT4-fs (loop2): Ignoring removed bh option [ 33.713711][ T537] EXT4-fs (loop2): Ignoring removed oldalloc option [ 33.721048][ T537] EXT4-fs (loop2): Ignoring removed nobh option [ 33.727426][ T537] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 33.748775][ T537] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 33.796009][ T537] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 33.810272][ T537] EXT4-fs (loop2): pa ffff888129c18bd0: logic 128, phys. 385, len 8 [ 33.818489][ T537] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 33.847078][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.865898][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 111: len 1: ext4_ext_map_blocks returned -117 [ 33.865935][ T537] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.39: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.881212][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 33.899502][ T537] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 115 with max blocks 1 with error 117 [ 33.925487][ T537] EXT4-fs (loop2): This should not happen!! Data will be lost [ 33.925487][ T537] [ 33.936057][ T537] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.39: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.954798][ T537] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 112: len 3: ext4_ext_map_blocks returned -117 [ 34.140024][ T544] EXT4-fs (loop2): Ignoring removed bh option [ 34.146343][ T544] EXT4-fs (loop2): Ignoring removed oldalloc option [ 34.153175][ T544] EXT4-fs (loop2): Ignoring removed nobh option [ 34.159560][ T544] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 34.178849][ T544] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 34.219168][ T544] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.40: Allocating blocks 497-513 which overlap fs metadata [ 34.233687][ T544] EXT4-fs (loop2): pa ffff888129c32dc8: logic 128, phys. 385, len 8 [ 34.242292][ T544] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 34.269829][ T544] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.40: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.288228][ T544] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 34.301567][ T544] EXT4-fs (loop2): This should not happen!! Data will be lost [ 34.301567][ T544] [ 34.312880][ T544] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.40: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.331896][ T544] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 34.469108][ T551] EXT4-fs (loop2): Ignoring removed bh option [ 34.475414][ T551] EXT4-fs (loop2): Ignoring removed oldalloc option [ 34.482089][ T551] EXT4-fs (loop2): Ignoring removed nobh option [ 34.488473][ T551] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 34.508692][ T551] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 34.551744][ T551] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 34.566007][ T551] EXT4-fs (loop2): pa ffff888129c321f8: logic 128, phys. 385, len 8 [ 34.574272][ T551] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 34.603645][ T551] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.41: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.621745][ T551] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 34.634746][ T551] EXT4-fs (loop2): This should not happen!! Data will be lost [ 34.634746][ T551] [ 34.644993][ T551] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.41: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.663785][ T551] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 34.820728][ T557] EXT4-fs (loop2): Ignoring removed bh option [ 34.826956][ T557] EXT4-fs (loop2): Ignoring removed oldalloc option [ 34.833932][ T557] EXT4-fs (loop2): Ignoring removed nobh option [ 34.840690][ T557] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 34.858699][ T557] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 34.901747][ T557] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 34.916692][ T557] EXT4-fs (loop2): pa ffff888129ca3738: logic 128, phys. 385, len 8 [ 34.924818][ T557] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 34.953248][ T557] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.42: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.972020][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.972069][ T557] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 34.998093][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 35.003831][ T557] EXT4-fs (loop2): This should not happen!! Data will be lost [ 35.003831][ T557] [ 35.018020][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) 2026/03/04 17:06:50 executed programs: 28 [ 35.218249][ T564] EXT4-fs (loop2): Ignoring removed bh option [ 35.224537][ T564] EXT4-fs (loop2): Ignoring removed oldalloc option [ 35.231411][ T564] EXT4-fs (loop2): Ignoring removed nobh option [ 35.237978][ T564] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 35.258809][ T564] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 35.298261][ T564] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 35.312226][ T564] EXT4-fs (loop2): pa ffff888129ca30a8: logic 128, phys. 385, len 8 [ 35.320288][ T564] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 35.349214][ T564] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.43: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.368389][ T564] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 35.381668][ T564] EXT4-fs (loop2): This should not happen!! Data will be lost [ 35.381668][ T564] [ 35.392308][ T564] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.43: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.411520][ T564] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 35.555517][ T570] EXT4-fs (loop2): Ignoring removed bh option [ 35.561842][ T570] EXT4-fs (loop2): Ignoring removed oldalloc option [ 35.568587][ T570] EXT4-fs (loop2): Ignoring removed nobh option [ 35.575010][ T570] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 35.599159][ T570] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 35.646066][ T570] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 35.660647][ T570] EXT4-fs (loop2): pa ffff888129cc0540: logic 128, phys. 385, len 8 [ 35.668714][ T570] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 35.696457][ T570] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.44: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.715123][ T570] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 35.728121][ T570] EXT4-fs (loop2): This should not happen!! Data will be lost [ 35.728121][ T570] [ 35.739084][ T570] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.44: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.757908][ T570] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 36.017788][ T577] EXT4-fs (loop2): Ignoring removed bh option [ 36.024701][ T577] EXT4-fs (loop2): Ignoring removed oldalloc option [ 36.031621][ T577] EXT4-fs (loop2): Ignoring removed nobh option [ 36.038554][ T577] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 36.068858][ T577] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 36.121409][ T577] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 36.136618][ T577] EXT4-fs (loop2): pa ffff888129c870a8: logic 128, phys. 385, len 8 [ 36.145823][ T577] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 36.178381][ T577] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.45: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.200438][ T577] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 36.214691][ T577] EXT4-fs (loop2): This should not happen!! Data will be lost [ 36.214691][ T577] [ 36.225950][ T577] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.45: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.247339][ T577] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 36.454772][ T584] EXT4-fs (loop2): Ignoring removed bh option [ 36.461338][ T584] EXT4-fs (loop2): Ignoring removed oldalloc option [ 36.468690][ T584] EXT4-fs (loop2): Ignoring removed nobh option [ 36.476401][ T584] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 36.498748][ T584] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 36.545008][ T584] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 36.561696][ T584] EXT4-fs (loop2): pa ffff888129cf77e0: logic 128, phys. 385, len 8 [ 36.570035][ T584] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 36.605423][ T584] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.627162][ T584] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 36.641507][ T584] EXT4-fs (loop2): This should not happen!! Data will be lost [ 36.641507][ T584] [ 36.652503][ T584] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.671240][ T584] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 36.816288][ T591] EXT4-fs (loop2): Ignoring removed bh option [ 36.822921][ T591] EXT4-fs (loop2): Ignoring removed oldalloc option [ 36.830022][ T591] EXT4-fs (loop2): Ignoring removed nobh option [ 36.836389][ T591] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 36.858683][ T591] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 36.900156][ T591] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.47: Allocating blocks 497-513 which overlap fs metadata [ 36.916018][ T591] EXT4-fs (loop2): pa ffff888129d341f8: logic 128, phys. 385, len 8 [ 36.924700][ T591] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 36.953434][ T591] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.47: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.971765][ T591] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 36.984922][ T591] EXT4-fs (loop2): This should not happen!! Data will be lost [ 36.984922][ T591] [ 36.995852][ T591] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.47: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.014664][ T591] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 37.135482][ T598] EXT4-fs (loop2): Ignoring removed bh option [ 37.142013][ T598] EXT4-fs (loop2): Ignoring removed oldalloc option [ 37.148826][ T598] EXT4-fs (loop2): Ignoring removed nobh option [ 37.155315][ T598] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 37.178701][ T598] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 37.220379][ T598] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.48: Allocating blocks 497-513 which overlap fs metadata [ 37.234790][ T598] EXT4-fs (loop2): pa ffff888129d13c78: logic 128, phys. 385, len 8 [ 37.243544][ T598] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 37.277599][ T598] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.48: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.296521][ T598] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 149 with max blocks 3 with error 117 [ 37.296549][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.309588][ T598] EXT4-fs (loop2): This should not happen!! Data will be lost [ 37.309588][ T598] [ 37.338213][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 136: len 4: ext4_ext_map_blocks returned -117 [ 37.339155][ T598] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.48: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.352459][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 37.384343][ T598] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 148: len 1: ext4_ext_map_blocks returned -117 [ 37.384465][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.418361][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 140: len 4: ext4_ext_map_blocks returned -117 [ 37.432521][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 37.445731][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.465029][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 144: len 4: ext4_ext_map_blocks returned -117 [ 37.479250][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 37.727839][ T605] EXT4-fs (loop2): Ignoring removed bh option [ 37.734409][ T605] EXT4-fs (loop2): Ignoring removed oldalloc option [ 37.741536][ T605] EXT4-fs (loop2): Ignoring removed nobh option [ 37.748713][ T605] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 37.768641][ T605] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 37.816427][ T605] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.49: Allocating blocks 497-513 which overlap fs metadata [ 37.830979][ T605] EXT4-fs (loop2): pa ffff888129d34d20: logic 128, phys. 385, len 8 [ 37.839104][ T605] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 37.867726][ T605] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.49: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.886954][ T605] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 37.902494][ T605] EXT4-fs (loop2): This should not happen!! Data will be lost [ 37.902494][ T605] [ 37.913572][ T605] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.49: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.935566][ T605] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 38.055528][ T612] EXT4-fs (loop2): Ignoring removed bh option [ 38.061702][ T612] EXT4-fs (loop2): Ignoring removed oldalloc option [ 38.068356][ T612] EXT4-fs (loop2): Ignoring removed nobh option [ 38.075688][ T612] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 38.108929][ T612] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 38.150932][ T612] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.50: Allocating blocks 497-513 which overlap fs metadata [ 38.165195][ T612] EXT4-fs (loop2): pa ffff888129d83348: logic 128, phys. 385, len 8 [ 38.173293][ T612] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 38.203576][ T612] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.50: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.223136][ T612] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 38.236541][ T612] EXT4-fs (loop2): This should not happen!! Data will be lost [ 38.236541][ T612] [ 38.247484][ T612] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.50: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.267518][ T612] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 38.445798][ T619] EXT4-fs (loop2): Ignoring removed bh option [ 38.452323][ T619] EXT4-fs (loop2): Ignoring removed oldalloc option [ 38.459258][ T619] EXT4-fs (loop2): Ignoring removed nobh option [ 38.465522][ T619] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 38.488944][ T619] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 38.537541][ T619] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.51: Allocating blocks 497-513 which overlap fs metadata [ 38.552267][ T619] EXT4-fs (loop2): pa ffff888129d9a150: logic 128, phys. 385, len 8 [ 38.560495][ T619] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 38.590229][ T619] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.51: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.614313][ T619] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 122 with max blocks 2 with error 117 [ 38.622875][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.628880][ T619] EXT4-fs (loop2): This should not happen!! Data will be lost [ 38.628880][ T619] [ 38.649071][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 119: len 1: ext4_ext_map_blocks returned -117 [ 38.660327][ T619] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.51: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.673651][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 38.713486][ T619] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 120: len 2: ext4_ext_map_blocks returned -117 [ 38.917238][ T626] EXT4-fs (loop2): Ignoring removed bh option [ 38.924773][ T626] EXT4-fs (loop2): Ignoring removed oldalloc option [ 38.932644][ T626] EXT4-fs (loop2): Ignoring removed nobh option [ 38.939313][ T626] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 38.958627][ T626] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 39.001466][ T626] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.52: Allocating blocks 497-513 which overlap fs metadata [ 39.016419][ T626] EXT4-fs (loop2): pa ffff888129d9abd0: logic 128, phys. 385, len 8 [ 39.024783][ T626] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 39.059399][ T626] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.52: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.077995][ T626] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 147 with max blocks 1 with error 117 [ 39.078026][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.091710][ T626] EXT4-fs (loop2): This should not happen!! Data will be lost [ 39.091710][ T626] [ 39.111411][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 132: len 4: ext4_ext_map_blocks returned -117 [ 39.121523][ T626] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.52: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.135195][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 39.167102][ T626] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 144: len 3: ext4_ext_map_blocks returned -117 [ 39.167129][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.202066][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 136: len 4: ext4_ext_map_blocks returned -117 [ 39.217091][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 39.230840][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.252028][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 140: len 4: ext4_ext_map_blocks returned -117 [ 39.267223][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 39.433440][ T633] EXT4-fs (loop2): Ignoring removed bh option [ 39.439682][ T633] EXT4-fs (loop2): Ignoring removed oldalloc option [ 39.446944][ T633] EXT4-fs (loop2): Ignoring removed nobh option [ 39.453982][ T633] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 39.468416][ T633] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 39.516297][ T633] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.53: Allocating blocks 497-513 which overlap fs metadata [ 39.531944][ T633] EXT4-fs (loop2): pa ffff888129df5c78: logic 128, phys. 385, len 8 [ 39.540644][ T633] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 39.577427][ T633] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.53: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.606701][ T633] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 74 with max blocks 2 with error 117 [ 39.625570][ T633] EXT4-fs (loop2): This should not happen!! Data will be lost [ 39.625570][ T633] [ 39.747457][ T640] EXT4-fs (loop2): Ignoring removed bh option [ 39.753973][ T640] EXT4-fs (loop2): Ignoring removed oldalloc option [ 39.761046][ T640] EXT4-fs (loop2): Ignoring removed nobh option [ 39.767688][ T640] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 39.788880][ T640] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 39.830416][ T640] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.54: Allocating blocks 497-513 which overlap fs metadata [ 39.845522][ T640] EXT4-fs (loop2): pa ffff888129dcf1f8: logic 128, phys. 385, len 8 [ 39.854014][ T640] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 40.105669][ T646] EXT4-fs (loop2): Ignoring removed bh option [ 40.112071][ T646] EXT4-fs (loop2): Ignoring removed oldalloc option [ 40.118828][ T646] EXT4-fs (loop2): Ignoring removed nobh option [ 40.125564][ T646] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 40.148600][ T646] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 40.189577][ T646] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.55: Allocating blocks 497-513 which overlap fs metadata [ 40.203983][ T646] EXT4-fs (loop2): pa ffff888129e2c498: logic 128, phys. 385, len 8 [ 40.212163][ T646] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 40.243822][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.263047][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 40.263075][ T646] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.55: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.277083][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 40.295953][ T646] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 40.321904][ T646] EXT4-fs (loop2): This should not happen!! Data will be lost [ 40.321904][ T646] [ 40.333478][ T646] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.55: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.352770][ T646] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 2026/03/04 17:06:55 executed programs: 41 [ 40.475671][ T653] EXT4-fs (loop2): Ignoring removed bh option [ 40.482270][ T653] EXT4-fs (loop2): Ignoring removed oldalloc option [ 40.488962][ T653] EXT4-fs (loop2): Ignoring removed nobh option [ 40.495352][ T653] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 40.518854][ T653] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 40.561553][ T653] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.56: Allocating blocks 497-513 which overlap fs metadata [ 40.575959][ T653] EXT4-fs (loop2): pa ffff888129e2ce70: logic 128, phys. 385, len 8 [ 40.584543][ T653] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 40.618445][ T653] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.56: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.637120][ T653] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 40.650153][ T653] EXT4-fs (loop2): This should not happen!! Data will be lost [ 40.650153][ T653] [ 40.661375][ T653] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.56: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.681134][ T653] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 40.821197][ T660] EXT4-fs (loop2): Ignoring removed bh option [ 40.827664][ T660] EXT4-fs (loop2): Ignoring removed oldalloc option [ 40.834872][ T660] EXT4-fs (loop2): Ignoring removed nobh option [ 40.841418][ T660] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 40.858494][ T660] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 40.901572][ T660] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.57: Allocating blocks 497-513 which overlap fs metadata [ 40.916507][ T660] EXT4-fs (loop2): pa ffff888129e2c9d8: logic 128, phys. 385, len 8 [ 40.924579][ T660] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 40.951056][ T660] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.57: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.969987][ T660] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 40.970041][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.983606][ T660] EXT4-fs (loop2): This should not happen!! Data will be lost [ 40.983606][ T660] [ 41.012359][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 41.026417][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 41.297891][ T667] EXT4-fs (loop2): Ignoring removed bh option [ 41.304540][ T667] EXT4-fs (loop2): Ignoring removed oldalloc option [ 41.311522][ T667] EXT4-fs (loop2): Ignoring removed nobh option [ 41.320140][ T667] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 41.338554][ T667] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 41.379976][ T667] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.58: Allocating blocks 497-513 which overlap fs metadata [ 41.394268][ T667] EXT4-fs (loop2): pa ffff88811a5f0540: logic 128, phys. 385, len 8 [ 41.403055][ T667] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 41.430817][ T667] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.58: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.450233][ T667] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 111 with max blocks 1 with error 117 [ 41.450262][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.462937][ T667] EXT4-fs (loop2): This should not happen!! Data will be lost [ 41.462937][ T667] [ 41.492398][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 41.493149][ T667] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.58: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.506921][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 41.526085][ T667] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 108: len 3: ext4_ext_map_blocks returned -117 [ 41.744442][ T674] EXT4-fs (loop2): Ignoring removed bh option [ 41.750668][ T674] EXT4-fs (loop2): Ignoring removed oldalloc option [ 41.757835][ T674] EXT4-fs (loop2): Ignoring removed nobh option [ 41.764198][ T674] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 41.778743][ T674] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 41.821302][ T674] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.59: Allocating blocks 497-513 which overlap fs metadata [ 41.835665][ T674] EXT4-fs (loop2): pa ffff88811a706e70: logic 128, phys. 385, len 8 [ 41.844771][ T674] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 41.875366][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.894995][ T674] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.59: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.907428][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 114: len 2: ext4_ext_map_blocks returned -117 [ 41.914458][ T674] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 41.928049][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 41.941494][ T674] EXT4-fs (loop2): This should not happen!! Data will be lost [ 41.941494][ T674] [ 41.964385][ T674] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.59: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.983348][ T674] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 42.127042][ T681] EXT4-fs (loop2): Ignoring removed bh option [ 42.133306][ T681] EXT4-fs (loop2): Ignoring removed oldalloc option [ 42.140478][ T681] EXT4-fs (loop2): Ignoring removed nobh option [ 42.147016][ T681] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 42.168623][ T681] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 42.213471][ T681] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.60: Allocating blocks 497-513 which overlap fs metadata [ 42.229158][ T681] EXT4-fs (loop2): pa ffff88811a7730a8: logic 128, phys. 385, len 8 [ 42.237748][ T681] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 42.266862][ T681] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.60: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.285298][ T681] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 42.298190][ T681] EXT4-fs (loop2): This should not happen!! Data will be lost [ 42.298190][ T681] [ 42.308414][ T681] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.60: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.327300][ T681] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 42.455793][ T688] EXT4-fs (loop2): Ignoring removed bh option [ 42.462150][ T688] EXT4-fs (loop2): Ignoring removed oldalloc option [ 42.469038][ T688] EXT4-fs (loop2): Ignoring removed nobh option [ 42.476067][ T688] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 42.499051][ T688] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 42.548276][ T688] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.61: Allocating blocks 497-513 which overlap fs metadata [ 42.562598][ T688] EXT4-fs (loop2): pa ffff88811a773000: logic 128, phys. 385, len 8 [ 42.571199][ T688] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 42.604889][ T688] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.61: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.627234][ T688] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 114 with max blocks 2 with error 117 [ 42.641137][ T688] EXT4-fs (loop2): This should not happen!! Data will be lost [ 42.641137][ T688] [ 42.651515][ T688] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.61: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.670181][ T688] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 112: len 2: ext4_ext_map_blocks returned -117 [ 42.825722][ T695] EXT4-fs (loop2): Ignoring removed bh option [ 42.832897][ T695] EXT4-fs (loop2): Ignoring removed oldalloc option [ 42.841069][ T695] EXT4-fs (loop2): Ignoring removed nobh option [ 42.848302][ T695] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 42.868668][ T695] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 42.912951][ T695] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.62: Allocating blocks 497-513 which overlap fs metadata [ 42.928301][ T695] EXT4-fs (loop2): pa ffff88811a5f0150: logic 128, phys. 385, len 8 [ 42.936867][ T695] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 42.964395][ T695] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.62: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.984112][ T695] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 42.997063][ T695] EXT4-fs (loop2): This should not happen!! Data will be lost [ 42.997063][ T695] [ 43.008338][ T695] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.62: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.027968][ T695] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 43.145400][ T702] EXT4-fs (loop2): Ignoring removed bh option [ 43.151576][ T702] EXT4-fs (loop2): Ignoring removed oldalloc option [ 43.158358][ T702] EXT4-fs (loop2): Ignoring removed nobh option [ 43.164621][ T702] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 43.188798][ T702] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 43.233285][ T702] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.63: Allocating blocks 497-513 which overlap fs metadata [ 43.249314][ T702] EXT4-fs (loop2): pa ffff88811a4c6a80: logic 128, phys. 385, len 8 [ 43.258125][ T702] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 43.287776][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.309274][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 99: len 1: ext4_ext_map_blocks returned -117 [ 43.309308][ T702] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.63: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.325089][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 43.345677][ T702] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 102 with max blocks 2 with error 117 [ 43.370955][ T702] EXT4-fs (loop2): This should not happen!! Data will be lost [ 43.370955][ T702] [ 43.382973][ T702] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.63: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.403089][ T702] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 100: len 2: ext4_ext_map_blocks returned -117 [ 43.600763][ T709] EXT4-fs (loop2): Ignoring removed bh option [ 43.608706][ T709] EXT4-fs (loop2): Ignoring removed oldalloc option [ 43.618352][ T709] EXT4-fs (loop2): Ignoring removed nobh option [ 43.626193][ T709] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 43.648982][ T709] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 43.700034][ T709] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.64: Allocating blocks 497-513 which overlap fs metadata [ 43.717667][ T709] EXT4-fs (loop2): pa ffff88811a64fbd0: logic 128, phys. 385, len 8 [ 43.727017][ T709] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 43.756841][ T709] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.64: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.775878][ T709] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 43.788922][ T709] EXT4-fs (loop2): This should not happen!! Data will be lost [ 43.788922][ T709] [ 43.800575][ T709] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.64: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.821415][ T709] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 44.020251][ T716] EXT4-fs (loop2): Ignoring removed bh option [ 44.027208][ T716] EXT4-fs (loop2): Ignoring removed oldalloc option [ 44.034797][ T716] EXT4-fs (loop2): Ignoring removed nobh option [ 44.041836][ T716] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 44.058785][ T716] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 44.111305][ T716] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.65: Allocating blocks 497-513 which overlap fs metadata [ 44.128103][ T716] EXT4-fs (loop2): pa ffff888129e5b1f8: logic 128, phys. 385, len 8 [ 44.137085][ T716] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 44.170662][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 44.193180][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 102: len 2: ext4_ext_map_blocks returned -117 [ 44.193226][ T716] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.65: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 44.210292][ T716] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 106 with max blocks 2 with error 117 [ 44.230126][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 44.245169][ T716] EXT4-fs (loop2): This should not happen!! Data will be lost [ 44.245169][ T716] [ 44.271093][ T716] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.65: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 44.292349][ T716] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 104: len 2: ext4_ext_map_blocks returned -117 [ 44.434609][ T723] EXT4-fs (loop2): Ignoring removed bh option [ 44.443242][ T723] EXT4-fs (loop2): Ignoring removed oldalloc option [ 44.450443][ T723] EXT4-fs (loop2): Ignoring removed nobh option [ 44.457138][ T723] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 44.478911][ T723] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 44.530132][ T723] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.66: Allocating blocks 497-513 which overlap fs metadata [ 44.545387][ T723] EXT4-fs (loop2): pa ffff88811a7d4930: logic 128, phys. 385, len 8 [ 44.553811][ T723] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 44.584922][ T723] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.66: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 44.607087][ T723] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 44.621165][ T723] EXT4-fs (loop2): This should not happen!! Data will be lost [ 44.621165][ T723] [ 44.633384][ T723] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.66: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 44.652934][ T723] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 44.755646][ T730] EXT4-fs (loop2): Ignoring removed bh option [ 44.761943][ T730] EXT4-fs (loop2): Ignoring removed oldalloc option [ 44.769068][ T730] EXT4-fs (loop2): Ignoring removed nobh option [ 44.775695][ T730] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 44.798937][ T730] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 44.843542][ T730] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.67: Allocating blocks 497-513 which overlap fs metadata [ 44.857756][ T730] EXT4-fs (loop2): pa ffff888129e76e70: logic 128, phys. 385, len 8 [ 44.867764][ T730] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 44.898839][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 44.921878][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 44.921908][ T730] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.67: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 44.937334][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 44.956412][ T730] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 103 with max blocks 1 with error 117 [ 44.981107][ T730] EXT4-fs (loop2): This should not happen!! Data will be lost [ 44.981107][ T730] [ 44.992047][ T730] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.67: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.011820][ T730] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 100: len 3: ext4_ext_map_blocks returned -117 [ 45.089748][ T737] EXT4-fs (loop2): Ignoring removed bh option [ 45.096539][ T737] EXT4-fs (loop2): Ignoring removed oldalloc option [ 45.103778][ T737] EXT4-fs (loop2): Ignoring removed nobh option [ 45.110464][ T737] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.128488][ T737] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 45.181121][ T737] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.68: Allocating blocks 497-513 which overlap fs metadata [ 45.196892][ T737] EXT4-fs (loop2): pa ffff88811a5a7348: logic 128, phys. 385, len 8 [ 45.205503][ T737] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 45.233247][ T737] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.68: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.252739][ T737] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 45.265814][ T737] EXT4-fs (loop2): This should not happen!! Data will be lost [ 45.265814][ T737] [ 45.277510][ T737] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.68: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.296331][ T737] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 45.410994][ T743] EXT4-fs (loop2): Ignoring removed bh option [ 45.418165][ T743] EXT4-fs (loop2): Ignoring removed oldalloc option [ 45.425390][ T743] EXT4-fs (loop2): Ignoring removed nobh option [ 45.431844][ T743] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.448609][ T743] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 45.487928][ T743] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.69: Allocating blocks 497-513 which overlap fs metadata [ 45.503375][ T743] EXT4-fs (loop2): pa ffff88811a573d20: logic 128, phys. 385, len 8 [ 45.514751][ T743] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 45.548560][ T743] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.69: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.567715][ T743] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 45.581167][ T743] EXT4-fs (loop2): This should not happen!! Data will be lost [ 45.581167][ T743] [ 45.592243][ T743] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.69: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.612535][ T743] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/04 17:07:00 executed programs: 55 [ 45.815215][ T750] EXT4-fs (loop2): Ignoring removed bh option [ 45.821586][ T750] EXT4-fs (loop2): Ignoring removed oldalloc option [ 45.828425][ T750] EXT4-fs (loop2): Ignoring removed nobh option [ 45.835130][ T750] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.858758][ T750] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 45.905915][ T750] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.70: Allocating blocks 497-513 which overlap fs metadata [ 45.922898][ T750] EXT4-fs (loop2): pa ffff888129ee22a0: logic 128, phys. 385, len 8 [ 45.932496][ T750] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 45.963746][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.983709][ T750] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.70: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 45.997461][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 46.003731][ T750] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 46.018520][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 46.031044][ T750] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.031044][ T750] [ 46.054029][ T750] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.70: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.072713][ T750] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 46.261301][ T757] EXT4-fs (loop2): Ignoring removed bh option [ 46.267798][ T757] EXT4-fs (loop2): Ignoring removed oldalloc option [ 46.275514][ T757] EXT4-fs (loop2): Ignoring removed nobh option [ 46.283365][ T757] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 46.308697][ T757] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 46.352639][ T757] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.71: Allocating blocks 497-513 which overlap fs metadata [ 46.366798][ T757] EXT4-fs (loop2): pa ffff88811a7f5000: logic 128, phys. 385, len 8 [ 46.375365][ T757] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 46.406781][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.430689][ T757] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.71: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.437144][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 109: len 3: ext4_ext_map_blocks returned -117 [ 46.451748][ T757] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 46.465160][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 46.477962][ T757] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.477962][ T757] [ 46.502116][ T757] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.71: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.521367][ T757] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 46.660169][ T764] EXT4-fs (loop2): Ignoring removed bh option [ 46.666418][ T764] EXT4-fs (loop2): Ignoring removed oldalloc option [ 46.673100][ T764] EXT4-fs (loop2): Ignoring removed nobh option [ 46.679730][ T764] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 46.699101][ T764] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 46.744423][ T764] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.72: Allocating blocks 497-513 which overlap fs metadata [ 46.759730][ T764] EXT4-fs (loop2): pa ffff88811a7d4150: logic 128, phys. 385, len 8 [ 46.768809][ T764] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 46.802394][ T764] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.72: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.822821][ T764] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 46.835852][ T764] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.835852][ T764] [ 46.846913][ T764] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.72: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 46.865886][ T764] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 47.015509][ T771] EXT4-fs (loop2): Ignoring removed bh option [ 47.022086][ T771] EXT4-fs (loop2): Ignoring removed oldalloc option [ 47.029519][ T771] EXT4-fs (loop2): Ignoring removed nobh option [ 47.036127][ T771] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.058546][ T771] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 47.103338][ T771] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.73: Allocating blocks 497-513 which overlap fs metadata [ 47.118298][ T771] EXT4-fs (loop2): pa ffff888129f17a80: logic 128, phys. 385, len 8 [ 47.126440][ T771] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 47.158365][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.178283][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 47.178312][ T771] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.73: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.193968][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 47.212693][ T771] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 47.241201][ T771] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.241201][ T771] [ 47.253263][ T771] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.73: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.273096][ T771] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 47.380429][ T778] EXT4-fs (loop2): Ignoring removed bh option [ 47.386555][ T778] EXT4-fs (loop2): Ignoring removed oldalloc option [ 47.393359][ T778] EXT4-fs (loop2): Ignoring removed nobh option [ 47.399929][ T778] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.418887][ T778] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 47.459048][ T778] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.74: Allocating blocks 497-513 which overlap fs metadata [ 47.473214][ T778] EXT4-fs (loop2): pa ffff888129f091f8: logic 128, phys. 385, len 8 [ 47.481665][ T778] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 47.508999][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.528895][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 113: len 3: ext4_ext_map_blocks returned -117 [ 47.528925][ T778] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.74: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.543489][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 47.564145][ T778] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 47.588918][ T778] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.588918][ T778] [ 47.600341][ T778] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.74: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.620135][ T778] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 47.765647][ T785] EXT4-fs (loop2): Ignoring removed bh option [ 47.772209][ T785] EXT4-fs (loop2): Ignoring removed oldalloc option [ 47.779223][ T785] EXT4-fs (loop2): Ignoring removed nobh option [ 47.786097][ T785] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.808691][ T785] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 47.848942][ T785] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.75: Allocating blocks 497-513 which overlap fs metadata [ 47.863038][ T785] EXT4-fs (loop2): pa ffff888129f09690: logic 128, phys. 385, len 8 [ 47.871364][ T785] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 47.899802][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.919197][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 109: len 3: ext4_ext_map_blocks returned -117 [ 47.919254][ T785] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.75: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 47.934162][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 47.952247][ T785] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 114 with max blocks 2 with error 117 [ 47.977786][ T785] EXT4-fs (loop2): This should not happen!! Data will be lost [ 47.977786][ T785] [ 47.988438][ T785] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.75: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.007091][ T785] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 112: len 2: ext4_ext_map_blocks returned -117 [ 48.180222][ T792] EXT4-fs (loop2): Ignoring removed bh option [ 48.186689][ T792] EXT4-fs (loop2): Ignoring removed oldalloc option [ 48.193915][ T792] EXT4-fs (loop2): Ignoring removed nobh option [ 48.201213][ T792] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 48.218558][ T792] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 48.259161][ T792] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.76: Allocating blocks 497-513 which overlap fs metadata [ 48.273388][ T792] EXT4-fs (loop2): pa ffff888129f5f7e0: logic 128, phys. 385, len 8 [ 48.281943][ T792] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 48.309560][ T792] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.76: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.328620][ T792] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 48.341850][ T792] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.341850][ T792] [ 48.353665][ T792] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.76: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.372849][ T792] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 48.540000][ T799] EXT4-fs (loop2): Ignoring removed bh option [ 48.546237][ T799] EXT4-fs (loop2): Ignoring removed oldalloc option [ 48.552946][ T799] EXT4-fs (loop2): Ignoring removed nobh option [ 48.559355][ T799] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 48.578823][ T799] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 48.630523][ T799] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.77: Allocating blocks 497-513 which overlap fs metadata [ 48.645039][ T799] EXT4-fs (loop2): pa ffff888129f5f000: logic 128, phys. 385, len 8 [ 48.653424][ T799] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 48.682399][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.702586][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 107: len 1: ext4_ext_map_blocks returned -117 [ 48.702621][ T799] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.77: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.717311][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 48.735842][ T799] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 111 with max blocks 1 with error 117 [ 48.761914][ T799] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.761914][ T799] [ 48.772423][ T799] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.77: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 48.792390][ T799] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 108: len 3: ext4_ext_map_blocks returned -117 [ 48.980211][ T806] EXT4-fs (loop2): Ignoring removed bh option [ 48.986467][ T806] EXT4-fs (loop2): Ignoring removed oldalloc option [ 48.995065][ T806] EXT4-fs (loop2): Ignoring removed nobh option [ 49.001597][ T806] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.018498][ T806] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 49.060696][ T806] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.78: Allocating blocks 497-513 which overlap fs metadata [ 49.075152][ T806] EXT4-fs (loop2): pa ffff888120cace70: logic 128, phys. 385, len 8 [ 49.083714][ T806] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 49.114702][ T806] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.78: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.133192][ T806] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 49.145831][ T806] EXT4-fs (loop2): This should not happen!! Data will be lost [ 49.145831][ T806] [ 49.156643][ T806] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.78: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.175956][ T806] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 49.300055][ T813] EXT4-fs (loop2): Ignoring removed bh option [ 49.306225][ T813] EXT4-fs (loop2): Ignoring removed oldalloc option [ 49.312998][ T813] EXT4-fs (loop2): Ignoring removed nobh option [ 49.319719][ T813] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.338691][ T813] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 49.379219][ T813] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.79: Allocating blocks 497-513 which overlap fs metadata [ 49.393798][ T813] EXT4-fs (loop2): pa ffff888120cac888: logic 128, phys. 385, len 8 [ 49.402141][ T813] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 49.431474][ T813] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.79: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.450246][ T813] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 49.463070][ T813] EXT4-fs (loop2): This should not happen!! Data will be lost [ 49.463070][ T813] [ 49.473921][ T813] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.79: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.493758][ T813] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 49.618783][ T820] EXT4-fs (loop2): Ignoring removed bh option [ 49.625382][ T820] EXT4-fs (loop2): Ignoring removed oldalloc option [ 49.632162][ T820] EXT4-fs (loop2): Ignoring removed nobh option [ 49.638486][ T820] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.658715][ T820] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 49.700163][ T820] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.80: Allocating blocks 497-513 which overlap fs metadata [ 49.714945][ T820] EXT4-fs (loop2): pa ffff888120d68c78: logic 128, phys. 385, len 8 [ 49.723253][ T820] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 49.751852][ T820] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.80: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.770136][ T820] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 49.782983][ T820] EXT4-fs (loop2): This should not happen!! Data will be lost [ 49.782983][ T820] [ 49.793403][ T820] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.80: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 49.812132][ T820] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 49.995670][ T827] EXT4-fs (loop2): Ignoring removed bh option [ 50.002206][ T827] EXT4-fs (loop2): Ignoring removed oldalloc option [ 50.009041][ T827] EXT4-fs (loop2): Ignoring removed nobh option [ 50.015394][ T827] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.038683][ T827] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 50.082841][ T827] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.81: Allocating blocks 497-513 which overlap fs metadata [ 50.100310][ T827] EXT4-fs (loop2): pa ffff888120c0f888: logic 128, phys. 385, len 8 [ 50.108909][ T827] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 50.142443][ T827] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.81: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.161040][ T827] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 50.174060][ T827] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.174060][ T827] [ 50.185412][ T827] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.81: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.205823][ T827] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 50.355980][ T834] EXT4-fs (loop2): Ignoring removed bh option [ 50.362129][ T834] EXT4-fs (loop2): Ignoring removed oldalloc option [ 50.368821][ T834] EXT4-fs (loop2): Ignoring removed nobh option [ 50.375638][ T834] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.398630][ T834] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 50.440085][ T834] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.82: Allocating blocks 497-513 which overlap fs metadata [ 50.455281][ T834] EXT4-fs (loop2): pa ffff888120c517e0: logic 128, phys. 385, len 8 [ 50.463771][ T834] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 50.492544][ T834] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.82: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.510781][ T834] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 50.523568][ T834] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.523568][ T834] [ 50.534908][ T834] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.82: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.553846][ T834] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 50.700178][ T841] EXT4-fs (loop2): Ignoring removed bh option [ 50.706667][ T841] EXT4-fs (loop2): Ignoring removed oldalloc option [ 50.713509][ T841] EXT4-fs (loop2): Ignoring removed nobh option [ 50.720137][ T841] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.738719][ T841] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 50.785261][ T841] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.83: Allocating blocks 497-513 which overlap fs metadata [ 50.799932][ T841] EXT4-fs (loop2): pa ffff888120c51a80: logic 128, phys. 385, len 8 [ 50.808367][ T841] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 50.839627][ T841] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.83: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.858694][ T841] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 50.871579][ T841] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.871579][ T841] [ 50.882373][ T841] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.83: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 50.902217][ T841] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/04 17:07:06 executed programs: 69 [ 51.065370][ T848] EXT4-fs (loop2): Ignoring removed bh option [ 51.071696][ T848] EXT4-fs (loop2): Ignoring removed oldalloc option [ 51.078487][ T848] EXT4-fs (loop2): Ignoring removed nobh option [ 51.085078][ T848] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.108725][ T848] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 51.150242][ T848] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.84: Allocating blocks 497-513 which overlap fs metadata [ 51.164736][ T848] EXT4-fs (loop2): pa ffff888120d68dc8: logic 128, phys. 385, len 8 [ 51.173106][ T848] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 51.211142][ T848] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.84: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.229497][ T848] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 51.244302][ T848] EXT4-fs (loop2): This should not happen!! Data will be lost [ 51.244302][ T848] [ 51.255245][ T848] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.84: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.274732][ T848] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 51.443960][ T855] EXT4-fs (loop2): Ignoring removed bh option [ 51.450767][ T855] EXT4-fs (loop2): Ignoring removed oldalloc option [ 51.457587][ T855] EXT4-fs (loop2): Ignoring removed nobh option [ 51.463922][ T855] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.478508][ T855] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 51.520764][ T855] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.85: Allocating blocks 497-513 which overlap fs metadata [ 51.535222][ T855] EXT4-fs (loop2): pa ffff888129fdce70: logic 128, phys. 385, len 8 [ 51.543883][ T855] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 51.573962][ T855] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.85: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.593589][ T855] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 51.608492][ T855] EXT4-fs (loop2): This should not happen!! Data will be lost [ 51.608492][ T855] [ 51.619418][ T855] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.85: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.638958][ T855] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 51.806806][ T862] EXT4-fs (loop2): Ignoring removed bh option [ 51.813458][ T862] EXT4-fs (loop2): Ignoring removed oldalloc option [ 51.820669][ T862] EXT4-fs (loop2): Ignoring removed nobh option [ 51.827195][ T862] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.848703][ T862] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 51.898232][ T862] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.86: Allocating blocks 497-513 which overlap fs metadata [ 51.913514][ T862] EXT4-fs (loop2): pa ffff888120d79f18: logic 128, phys. 385, len 8 [ 51.922455][ T862] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 51.953090][ T862] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.86: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.974472][ T862] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 51.974517][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 51.988026][ T862] EXT4-fs (loop2): This should not happen!! Data will be lost [ 51.988026][ T862] [ 52.007031][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 106: len 2: ext4_ext_map_blocks returned -117 [ 52.018866][ T862] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.86: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.030840][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 52.050731][ T862] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 52.233196][ T869] EXT4-fs (loop2): Ignoring removed bh option [ 52.240053][ T869] EXT4-fs (loop2): Ignoring removed oldalloc option [ 52.248538][ T869] EXT4-fs (loop2): Ignoring removed nobh option [ 52.256172][ T869] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.279330][ T869] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 52.331451][ T869] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.87: Allocating blocks 497-513 which overlap fs metadata [ 52.347627][ T869] EXT4-fs (loop2): pa ffff888129fdcb28: logic 128, phys. 385, len 8 [ 52.355785][ T869] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 52.385597][ T869] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.87: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.406734][ T869] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 52.421248][ T869] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.421248][ T869] [ 52.433509][ T869] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.87: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.453920][ T869] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 52.565687][ T876] EXT4-fs (loop2): Ignoring removed bh option [ 52.571958][ T876] EXT4-fs (loop2): Ignoring removed oldalloc option [ 52.578853][ T876] EXT4-fs (loop2): Ignoring removed nobh option [ 52.585363][ T876] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.608780][ T876] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 52.648460][ T876] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.88: Allocating blocks 497-513 which overlap fs metadata [ 52.662735][ T876] EXT4-fs (loop2): pa ffff888120d79a80: logic 128, phys. 385, len 8 [ 52.671189][ T876] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 52.703058][ T876] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.88: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.724976][ T876] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 52.739644][ T876] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.739644][ T876] [ 52.752160][ T876] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.88: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 52.771472][ T876] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 52.886595][ T883] EXT4-fs (loop2): Ignoring removed bh option [ 52.892967][ T883] EXT4-fs (loop2): Ignoring removed oldalloc option [ 52.900611][ T883] EXT4-fs (loop2): Ignoring removed nobh option [ 52.907870][ T883] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.928889][ T883] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 52.974422][ T883] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.89: Allocating blocks 497-513 which overlap fs metadata [ 52.989604][ T883] EXT4-fs (loop2): pa ffff888120d4aa80: logic 128, phys. 385, len 8 [ 52.998956][ T883] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 53.029015][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.050289][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 53.050346][ T883] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.89: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.064669][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 53.085884][ T883] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 53.114450][ T883] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.114450][ T883] [ 53.125945][ T883] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.89: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.145211][ T883] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 [ 53.265983][ T890] EXT4-fs (loop2): Ignoring removed bh option [ 53.274321][ T890] EXT4-fs (loop2): Ignoring removed oldalloc option [ 53.284388][ T890] EXT4-fs (loop2): Ignoring removed nobh option [ 53.293914][ T890] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.318777][ T890] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 53.367127][ T890] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.90: Allocating blocks 497-513 which overlap fs metadata [ 53.384399][ T890] EXT4-fs (loop2): pa ffff888120e73738: logic 128, phys. 385, len 8 [ 53.393687][ T890] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 53.424721][ T890] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.90: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.444659][ T890] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 53.458546][ T890] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.458546][ T890] [ 53.469643][ T890] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.90: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.489948][ T890] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 53.636652][ T897] EXT4-fs (loop2): Ignoring removed bh option [ 53.643269][ T897] EXT4-fs (loop2): Ignoring removed oldalloc option [ 53.651014][ T897] EXT4-fs (loop2): Ignoring removed nobh option [ 53.658234][ T897] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.678752][ T897] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 53.726773][ T897] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.91: Allocating blocks 497-513 which overlap fs metadata [ 53.742936][ T897] EXT4-fs (loop2): pa ffff888120e595e8: logic 128, phys. 385, len 8 [ 53.751592][ T897] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 53.783949][ T897] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.91: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.803554][ T897] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 53.817257][ T897] EXT4-fs (loop2): This should not happen!! Data will be lost [ 53.817257][ T897] [ 53.828911][ T897] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.91: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 53.849202][ T897] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 53.979319][ T904] EXT4-fs (loop2): Ignoring removed bh option [ 53.986682][ T904] EXT4-fs (loop2): Ignoring removed oldalloc option [ 53.994300][ T904] EXT4-fs (loop2): Ignoring removed nobh option [ 54.002168][ T904] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.019145][ T904] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 54.065712][ T904] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.92: Allocating blocks 497-513 which overlap fs metadata [ 54.083009][ T904] EXT4-fs (loop2): pa ffff888120e73d20: logic 128, phys. 385, len 8 [ 54.093406][ T904] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 54.131683][ T904] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.92: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.152174][ T904] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 54.165608][ T904] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.165608][ T904] [ 54.177791][ T904] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.92: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.199320][ T904] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 54.366593][ T911] EXT4-fs (loop2): Ignoring removed bh option [ 54.373041][ T911] EXT4-fs (loop2): Ignoring removed oldalloc option [ 54.381432][ T911] EXT4-fs (loop2): Ignoring removed nobh option [ 54.388423][ T911] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.408756][ T911] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 54.459957][ T911] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.93: Allocating blocks 497-513 which overlap fs metadata [ 54.474719][ T911] EXT4-fs (loop2): pa ffff888120e38e70: logic 128, phys. 385, len 8 [ 54.483970][ T911] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 54.518848][ T911] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.93: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.541178][ T911] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 54.554628][ T911] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.554628][ T911] [ 54.565102][ T911] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.93: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.585559][ T911] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 54.694287][ T918] EXT4-fs (loop2): Ignoring removed bh option [ 54.701966][ T918] EXT4-fs (loop2): Ignoring removed oldalloc option [ 54.709189][ T918] EXT4-fs (loop2): Ignoring removed nobh option [ 54.716127][ T918] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.738745][ T918] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 54.789730][ T918] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.94: Allocating blocks 497-513 which overlap fs metadata [ 54.805531][ T918] EXT4-fs (loop2): pa ffff888120f079d8: logic 128, phys. 385, len 8 [ 54.813939][ T918] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 54.839324][ T49] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.858992][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 54.859051][ T918] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.94: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.874830][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 54.895224][ T918] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 54.920570][ T918] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.920570][ T918] [ 54.931445][ T918] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.94: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 54.951311][ T918] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 55.100911][ T925] EXT4-fs (loop2): Ignoring removed bh option [ 55.107497][ T925] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.115418][ T925] EXT4-fs (loop2): Ignoring removed nobh option [ 55.122619][ T925] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.138668][ T925] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 55.190336][ T925] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.95: Allocating blocks 497-513 which overlap fs metadata [ 55.205981][ T925] EXT4-fs (loop2): pa ffff888120eef348: logic 128, phys. 385, len 8 [ 55.217198][ T925] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 55.249889][ T925] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.95: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.271532][ T925] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 104 with max blocks 8 with error 117 [ 55.271613][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.271969][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 55.286843][ T925] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.286843][ T925] [ 55.307231][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 55.499163][ T932] EXT4-fs (loop2): Ignoring removed bh option [ 55.505697][ T932] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.513323][ T932] EXT4-fs (loop2): Ignoring removed nobh option [ 55.519942][ T932] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.538684][ T932] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 55.580833][ T932] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.96: Allocating blocks 497-513 which overlap fs metadata [ 55.596195][ T932] EXT4-fs (loop2): pa ffff888120ec85e8: logic 128, phys. 385, len 8 [ 55.604806][ T932] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 55.633676][ T932] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.96: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.652498][ T932] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 55.665675][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.665930][ T932] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.665930][ T932] [ 55.687541][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 113: len 3: ext4_ext_map_blocks returned -117 [ 55.697567][ T932] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.96: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.711209][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 55.731075][ T932] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 55.895652][ T939] EXT4-fs (loop2): Ignoring removed bh option [ 55.902019][ T939] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.909074][ T939] EXT4-fs (loop2): Ignoring removed nobh option [ 55.916037][ T939] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.938903][ T939] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 55.982629][ T939] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.97: Allocating blocks 497-513 which overlap fs metadata [ 55.997502][ T939] EXT4-fs (loop2): pa ffff888120f99150: logic 128, phys. 385, len 8 [ 56.005825][ T939] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 56.054333][ T49] EXT4-fs (loop2): pa ffff888120ec8bd0: logic 198, phys. 321, len 4 [ 56.062695][ T49] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 2, pa_free 1 [ 56.088475][ T943] EXT4-fs error (device loop2): mb_free_blocks:1540: group 0, inode 18: block 321:freeing already freed block (bit 20); block bitmap corrupt. 2026/03/04 17:07:11 executed programs: 83 [ 56.188733][ T946] EXT4-fs (loop2): Ignoring removed bh option [ 56.195472][ T946] EXT4-fs (loop2): Ignoring removed oldalloc option [ 56.202850][ T946] EXT4-fs (loop2): Ignoring removed nobh option [ 56.209988][ T946] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.228661][ T946] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 56.269844][ T946] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.98: Allocating blocks 497-513 which overlap fs metadata [ 56.284710][ T946] EXT4-fs (loop2): pa ffff888120f5ca80: logic 128, phys. 385, len 8 [ 56.293937][ T946] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 56.324660][ T946] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.98: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.344931][ T946] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 56.358114][ T946] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.358114][ T946] [ 56.368293][ T946] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.98: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.389003][ T946] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 56.617788][ T953] EXT4-fs (loop2): Ignoring removed bh option [ 56.624078][ T953] EXT4-fs (loop2): Ignoring removed oldalloc option [ 56.631144][ T953] EXT4-fs (loop2): Ignoring removed nobh option [ 56.637430][ T953] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.658684][ T953] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 56.701707][ T953] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.99: Allocating blocks 497-513 which overlap fs metadata [ 56.717158][ T953] EXT4-fs (loop2): pa ffff888120fa3bd0: logic 128, phys. 385, len 8 [ 56.725986][ T953] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 56.755988][ T953] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.99: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.774767][ T953] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 120 with max blocks 8 with error 117 [ 56.774782][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 56.774897][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 4: ext4_ext_map_blocks returned -117 [ 56.788424][ T953] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.788424][ T953] [ 56.808278][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 56.980220][ T960] EXT4-fs (loop2): Ignoring removed bh option [ 56.986702][ T960] EXT4-fs (loop2): Ignoring removed oldalloc option [ 56.993861][ T960] EXT4-fs (loop2): Ignoring removed nobh option [ 57.000923][ T960] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.018659][ T960] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 57.058403][ T960] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.100: Allocating blocks 497-513 which overlap fs metadata [ 57.073975][ T960] EXT4-fs (loop2): pa ffff888120f75000: logic 128, phys. 385, len 8 [ 57.082918][ T960] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 57.116323][ T960] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.100: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.135712][ T960] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 132 with max blocks 12 with error 117 [ 57.145167][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.149286][ T960] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.149286][ T960] [ 57.168296][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 128: len 1: ext4_ext_map_blocks returned -117 [ 57.192880][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 57.426165][ T967] EXT4-fs (loop2): Ignoring removed bh option [ 57.432756][ T967] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.439573][ T967] EXT4-fs (loop2): Ignoring removed nobh option [ 57.446155][ T967] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.468850][ T967] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 57.513181][ T967] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.101: Allocating blocks 497-513 which overlap fs metadata [ 57.527471][ T967] EXT4-fs (loop2): pa ffff888120f75150: logic 128, phys. 385, len 8 [ 57.535544][ T967] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 57.563021][ T967] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.101: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.582052][ T967] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 57.582081][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.595260][ T967] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.595260][ T967] [ 57.617118][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 57.640626][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 57.855508][ T974] EXT4-fs (loop2): Ignoring removed bh option [ 57.861845][ T974] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.868822][ T974] EXT4-fs (loop2): Ignoring removed nobh option [ 57.875942][ T974] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.898778][ T974] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue [ 57.949300][ T974] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.102: Allocating blocks 497-513 which overlap fs metadata [ 57.963723][ T974] EXT4-fs (loop2): pa ffff888120ffddc8: logic 128, phys. 385, len 8 [ 57.972252][ T974] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 58.003030][ T974] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.102: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.025009][ T974] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 58.039386][ T974] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.039386][ T974] [ 58.051356][ T316] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.070996][ T316] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 58.087146][ T316] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 58.309660][ T981] EXT4-fs (loop2): Ignoring removed bh option [ 58.316348][ T981] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.323393][ T981] EXT4-fs (loop2): Ignoring removed nobh option [ 58.331202][ T981] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.368830][ T981] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.103: Allocating blocks 497-513 which overlap fs metadata [ 58.385691][ T981] EXT4-fs (loop2): pa ffff888120ffda80: logic 128, phys. 385, len 8 [ 58.394762][ T981] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 58.429301][ T981] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.103: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.448532][ T981] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 58.462092][ T981] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.462092][ T981] [ 58.472926][ T981] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.103: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.492785][ T981] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 58.616273][ T988] EXT4-fs (loop2): Ignoring removed bh option [ 58.622875][ T988] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.630436][ T988] EXT4-fs (loop2): Ignoring removed nobh option [ 58.638380][ T988] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.692826][ T988] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.104: Allocating blocks 497-513 which overlap fs metadata [ 58.710056][ T988] EXT4-fs (loop2): pa ffff888129c189d8: logic 128, phys. 385, len 8 [ 58.719183][ T988] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 58.753724][ T988] EXT4-fs error (device loop2): ext4_ext_search_right:1612: inode #15: comm syz.2.104: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.773555][ T988] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 121 with max blocks 3 with error 117 [ 58.788851][ T988] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.788851][ T988] [ 58.800669][ T988] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.104: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.822323][ T988] EXT4-fs error (device loop2): ext4_find_extent:928: inode #15: comm syz.2.104: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.843371][ T988] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #15: block 120: len 1: ext4_ext_map_blocks returned -117 [ 58.950260][ T995] EXT4-fs (loop2): Ignoring removed bh option [ 58.957039][ T995] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.964053][ T995] EXT4-fs (loop2): Ignoring removed nobh option [ 58.971444][ T995] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.017715][ T995] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.105: Allocating blocks 497-513 which overlap fs metadata [ 59.035400][ T995] EXT4-fs (loop2): pa ffff888120e842a0: logic 128, phys. 385, len 8 [ 59.043924][ T995] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4375: group 0, free 0, pa_free 1 [ 59.072299][ T49] ------------[ cut here ]------------ [ 59.079171][ T49] kernel BUG at fs/ext4/mballoc.c:3729! [ 59.085499][ T49] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 59.093158][ T49] CPU: 1 PID: 49 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 59.102215][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 59.113657][ T49] Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work [ 59.120979][ T49] RIP: 0010:ext4_mb_normalize_request+0x1291/0x12e0 [ 59.128123][ T49] Code: ff ff 48 8b 7d a8 e8 ae 27 cb ff e9 6b fc ff ff e8 b4 a6 90 ff 0f 0b e8 ad a6 90 ff 0f 0b e8 a6 a6 90 ff 0f 0b e8 9f a6 90 ff <0f> 0b e8 98 a6 90 ff 0f 0b e8 91 a6 90 ff 48 8b 85 78 ff ff ff 42 [ 59.150070][ T49] RSP: 0018:ffffc900009e7410 EFLAGS: 00010293 [ 59.156780][ T49] RAX: ffffffff81d40fb1 RBX: 0000000000000060 RCX: ffff888101ffbb40 [ 59.165278][ T49] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 59.174128][ T49] RBP: ffffc900009e74f0 R08: ffff888129c1e86f R09: 1ffff11025383d0d [ 59.182721][ T49] R10: dffffc0000000000 R11: ffffed1025383d0e R12: ffff888120f2cb60 [ 59.190947][ T49] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 59.199650][ T49] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 59.208663][ T49] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.215439][ T49] CR2: 00002000000340bf CR3: 000000010ac21000 CR4: 00000000003506a0 [ 59.223951][ T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.231924][ T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.241032][ T49] Call Trace: [ 59.244435][ T49] ext4_mb_new_blocks+0xc31/0x4340 [ 59.249806][ T49] ? __getblk_gfp+0x3b/0x780 [ 59.255237][ T49] ? ext4_ext_search_right+0x398/0x880 [ 59.261431][ T49] ? ext4_mb_pa_callback+0xd0/0xd0 [ 59.266537][ T49] ? get_implied_cluster_alloc+0x2b6/0x940 [ 59.272355][ T49] ? ext4_ext_check_overlap+0x433/0x5c0 [ 59.278007][ T49] ? ext4_ext_find_goal+0x108/0x200 [ 59.283708][ T49] ext4_ext_map_blocks+0x1679/0x5dd0 [ 59.289505][ T49] ? _raw_write_trylock+0x150/0x150 [ 59.295242][ T49] ? __getblk_gfp+0x3b/0x780 [ 59.300114][ T49] ? _raw_write_unlock+0x2b/0x60 [ 59.305212][ T49] ? ext4_ext_release+0x10/0x10 [ 59.310263][ T49] ? ext4_es_lookup_extent+0x54c/0x900 [ 59.316577][ T49] ext4_map_blocks+0x985/0x1bd0 [ 59.321426][ T49] ? ext4_issue_zeroout+0x1a0/0x1a0 [ 59.326623][ T49] ? __kasan_check_read+0x11/0x20 [ 59.331811][ T49] ? __ext4_journal_start_sb+0x2e2/0x490 [ 59.338675][ T49] ext4_convert_unwritten_extents+0x227/0x400 [ 59.345831][ T49] ? trace_ext4_fallocate_exit+0x140/0x140 [ 59.352631][ T49] ? __kasan_check_write+0x14/0x20 [ 59.358550][ T49] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 59.364342][ T49] ? _raw_spin_lock+0xf0/0xf0 [ 59.369459][ T49] ext4_convert_unwritten_io_end_vec+0x103/0x180 [ 59.376441][ T49] ext4_end_io_rsv_work+0x2c1/0x610 [ 59.382062][ T49] ? __kasan_check_write+0x14/0x20 [ 59.387487][ T49] ? ext4_last_io_end_vec+0x70/0x70 [ 59.393176][ T49] ? read_word_at_a_time+0x12/0x20 [ 59.398540][ T49] ? strscpy+0x9b/0x290 [ 59.402790][ T49] process_one_work+0x6e1/0xba0 [ 59.407965][ T49] worker_thread+0xa6a/0x13c0 [ 59.413412][ T49] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 59.419256][ T49] kthread+0x346/0x3d0 [ 59.423801][ T49] ? worker_clr_flags+0x190/0x190 [ 59.429276][ T49] ? kthread_blkcg+0xd0/0xd0 [ 59.433973][ T49] ret_from_fork+0x1f/0x30 [ 59.438824][ T49] Modules linked in: [ 59.443155][ T49] ---[ end trace 61c386cae9c7a2cb ]--- [ 59.448965][ T49] RIP: 0010:ext4_mb_normalize_request+0x1291/0x12e0 [ 59.456036][ T49] Code: ff ff 48 8b 7d a8 e8 ae 27 cb ff e9 6b fc ff ff e8 b4 a6 90 ff 0f 0b e8 ad a6 90 ff 0f 0b e8 a6 a6 90 ff 0f 0b e8 9f a6 90 ff <0f> 0b e8 98 a6 90 ff 0f 0b e8 91 a6 90 ff 48 8b 85 78 ff ff ff 42 [ 59.477136][ T49] RSP: 0018:ffffc900009e7410 EFLAGS: 00010293 [ 59.483739][ T49] RAX: ffffffff81d40fb1 RBX: 0000000000000060 RCX: ffff888101ffbb40 [ 59.492508][ T49] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 59.501398][ T49] RBP: ffffc900009e74f0 R08: ffff888129c1e86f R09: 1ffff11025383d0d [ 59.509868][ T49] R10: dffffc0000000000 R11: ffffed1025383d0e R12: ffff888120f2cb60 [ 59.518912][ T49] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 59.527787][ T49] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 59.536990][ T49] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.544142][ T49] CR2: 00007f36fe8c7ff8 CR3: 000000010ed2d000 CR4: 00000000003506b0 [ 59.553515][ T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.562329][ T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.571047][ T49] Kernel panic - not syncing: Fatal exception [ 59.578537][ T49] Kernel Offset: disabled [ 59.583340][ T49] Rebooting in 86400 seconds..