ame="file1" dev="loop0" ino=15 res=0 errno=0
[  138.749401][ T6912] EXT4-fs (loop3): This should not happen!! Data will be lost
[  138.749401][ T6912] 
[  138.764617][ T6912] EXT4-fs (loop3): Total free blocks count 0
[  138.796360][ T6914] EXT4-fs (loop0): This should not happen!! Data will be lost
[  138.796360][ T6914] 
[  138.801694][ T6912] EXT4-fs (loop3): Free/Dirty block details
[  138.806714][ T6914] EXT4-fs (loop0): Total free blocks count 0
[  138.814218][ T6917] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, 
[  138.819931][ T6914] EXT4-fs (loop0): Free/Dirty block details
[  138.819953][ T6914] EXT4-fs (loop0): free_blocks=4096
[  138.828592][ T6917] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  138.834661][ T6914] EXT4-fs (loop0): dirty_blocks=16
[  138.853727][ T6914] EXT4-fs (loop0): Block reservation details
[  138.860674][ T6914] EXT4-fs (loop0): i_reserved_data_blocks=1
[  138.865034][   T28] audit: type=1800 audit(1772612904.421:390): pid=6918 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.216" name="file1" dev="loop2" ino=15 res=0 errno=0
[  138.876719][ T6912] EXT4-fs (loop3): free_blocks=4096
[  138.896283][ T6912] EXT4-fs (loop3): dirty_blocks=16
[  138.901729][ T6912] EXT4-fs (loop3): Block reservation details
[  138.908744][   T12] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  138.909059][ T6918] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  138.934729][   T12] EXT4-fs (loop1): This should not happen!! Data will be lost
[  138.934729][   T12] 
[  138.953505][   T28] audit: type=1800 audit(1772612904.421:391): pid=6918 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.216" name="file1" dev="loop2" ino=15 res=0 errno=0
[  138.955908][ T6912] EXT4-fs (loop3): i_reserved_data_blocks=1
[  138.981968][   T12] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  138.987428][ T6918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  138.987428][ T6918] 
[  139.012018][   T12] EXT4-fs (loop0): This should not happen!! Data will be lost
[  139.012018][   T12] 
[  139.043224][ T6918] EXT4-fs (loop2): Total free blocks count 0
[  139.050997][ T6918] EXT4-fs (loop2): Free/Dirty block details
[  139.103695][ T6918] EXT4-fs (loop2): free_blocks=4096
[  139.113388][ T6927] set_capacity_and_notify: 17 callbacks suppressed
[  139.113404][ T6927] loop1: detected capacity change from 0 to 2048
[  139.119881][ T6918] EXT4-fs (loop2): dirty_blocks=16
[  139.140809][   T11] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.150862][ T6918] EXT4-fs (loop2): Block reservation details
[  139.178030][   T11] EXT4-fs (loop3): This should not happen!! Data will be lost
[  139.178030][   T11] 
[  139.190776][ T6918] EXT4-fs (loop2): i_reserved_data_blocks=1
[  139.202063][ T6929] loop0: detected capacity change from 0 to 2048
[  139.203540][   T28] audit: type=1800 audit(1772612904.831:392): pid=6927 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.217" name="file1" dev="loop1" ino=15 res=0 errno=0
[  139.232037][ T6925] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  139.241177][   T28] audit: type=1800 audit(1772612904.861:393): pid=6927 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.217" name="file1" dev="loop1" ino=15 res=0 errno=0
[  139.268207][ T6927] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.283090][ T6927] EXT4-fs (loop1): This should not happen!! Data will be lost
[  139.283090][ T6927] 
[  139.294880][ T6927] EXT4-fs (loop1): Total free blocks count 0
[  139.301229][ T6927] EXT4-fs (loop1): Free/Dirty block details
[  139.308102][ T6927] EXT4-fs (loop1): free_blocks=4096
[  139.322066][ T6927] EXT4-fs (loop1): dirty_blocks=16
[  139.329470][ T6927] EXT4-fs (loop1): Block reservation details
[  139.336332][ T6927] EXT4-fs (loop1): i_reserved_data_blocks=1
2026/03/04 08:28:25 executed programs: 211
[  139.366357][ T6928] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  139.381115][   T28] audit: type=1800 audit(1772612904.981:394): pid=6929 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.218" name="file1" dev="loop0" ino=15 res=0 errno=0
[  139.415581][ T2926] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.436092][ T6929] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.453677][ T2926] EXT4-fs (loop2): This should not happen!! Data will be lost
[  139.453677][ T2926] 
[  139.465561][   T28] audit: type=1800 audit(1772612904.991:395): pid=6929 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.218" name="file1" dev="loop0" ino=15 res=0 errno=0
[  139.480780][   T11] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.499590][ T6929] EXT4-fs (loop0): This should not happen!! Data will be lost
[  139.499590][ T6929] 
[  139.534239][   T11] EXT4-fs (loop1): This should not happen!! Data will be lost
[  139.534239][   T11] 
[  139.545741][ T6929] EXT4-fs (loop0): Total free blocks count 0
[  139.553068][ T6937] loop3: detected capacity change from 0 to 2048
[  139.559918][ T6929] EXT4-fs (loop0): Free/Dirty block details
[  139.582804][ T6929] EXT4-fs (loop0): free_blocks=4096
[  139.602301][ T6929] EXT4-fs (loop0): dirty_blocks=16
[  139.626527][ T6936] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  139.641372][ T6929] EXT4-fs (loop0): Block reservation details
[  139.641394][ T6929] EXT4-fs (loop0): i_reserved_data_blocks=1
[  139.652305][ T6939] loop2: detected capacity change from 0 to 2048
[  139.689044][ T6937] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.703628][ T6937] EXT4-fs (loop3): This should not happen!! Data will be lost
[  139.703628][ T6937] 
[  139.740466][ T2926] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.769510][ T6937] EXT4-fs (loop3): Total free blocks count 0
[  139.778968][ T6938] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  139.806123][ T6939] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.811899][ T6937] EXT4-fs (loop3): Free/Dirty block details
[  139.822347][ T6939] EXT4-fs (loop2): This should not happen!! Data will be lost
[  139.822347][ T6939] 
[  139.825983][ T2926] EXT4-fs (loop0): This should not happen!! Data will be lost
[  139.825983][ T2926] 
[  139.840910][ T6939] EXT4-fs (loop2): Total free blocks count 0
[  139.852619][ T6939] EXT4-fs (loop2): Free/Dirty block details
[  139.858450][ T6946] loop1: detected capacity change from 0 to 2048
[  139.871972][ T6939] EXT4-fs (loop2): free_blocks=4096
[  139.878356][ T6939] EXT4-fs (loop2): dirty_blocks=16
[  139.883517][ T6939] EXT4-fs (loop2): Block reservation details
[  139.887347][ T6937] EXT4-fs (loop3): free_blocks=4096
[  139.889812][ T6939] EXT4-fs (loop2): i_reserved_data_blocks=1
[  139.916253][ T6937] EXT4-fs (loop3): dirty_blocks=16
[  139.921448][ T6937] EXT4-fs (loop3): Block reservation details
[  139.928310][ T6937] EXT4-fs (loop3): i_reserved_data_blocks=1
[  139.955954][ T2926] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.971098][   T11] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  139.984868][ T2926] EXT4-fs (loop2): This should not happen!! Data will be lost
[  139.984868][ T2926] 
[  139.995538][   T11] EXT4-fs (loop3): This should not happen!! Data will be lost
[  139.995538][   T11] 
[  140.019831][ T6943] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  140.076163][ T6946] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.090523][ T6946] EXT4-fs (loop1): This should not happen!! Data will be lost
[  140.090523][ T6946] 
[  140.110360][ T6946] EXT4-fs (loop1): Total free blocks count 0
[  140.117848][ T6946] EXT4-fs (loop1): Free/Dirty block details
[  140.123834][ T6946] EXT4-fs (loop1): free_blocks=4096
[  140.166713][ T6946] EXT4-fs (loop1): dirty_blocks=16
[  140.184350][ T6946] EXT4-fs (loop1): Block reservation details
[  140.191308][ T6946] EXT4-fs (loop1): i_reserved_data_blocks=1
[  140.233529][ T2926] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.248611][ T6953] loop0: detected capacity change from 0 to 2048
[  140.261109][ T6952] loop3: detected capacity change from 0 to 2048
[  140.273807][ T2926] EXT4-fs (loop1): This should not happen!! Data will be lost
[  140.273807][ T2926] 
[  140.303166][ T6956] loop2: detected capacity change from 0 to 2048
[  140.385832][ T6951] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  140.410836][ T6963] loop1: detected capacity change from 0 to 2048
[  140.420951][ T6950] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  140.458276][ T6954] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  140.490535][ T6956] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.513370][ T6952] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.526725][ T6953] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.549203][ T6956] EXT4-fs (loop2): This should not happen!! Data will be lost
[  140.549203][ T6956] 
[  140.577164][ T6962] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  140.581626][ T6953] EXT4-fs (loop0): This should not happen!! Data will be lost
[  140.581626][ T6953] 
[  140.595541][ T6952] EXT4-fs (loop3): This should not happen!! Data will be lost
[  140.595541][ T6952] 
[  140.613440][ T6953] EXT4-fs (loop0): Total free blocks count 0
[  140.622591][ T6953] EXT4-fs (loop0): Free/Dirty block details
[  140.623742][ T6956] EXT4-fs (loop2): Total free blocks count 0
[  140.630739][ T6953] EXT4-fs (loop0): free_blocks=4096
[  140.640038][ T6953] EXT4-fs (loop0): dirty_blocks=16
[  140.650652][ T6953] EXT4-fs (loop0): Block reservation details
[  140.656878][ T6963] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.656924][ T6963] EXT4-fs (loop1): This should not happen!! Data will be lost
[  140.656924][ T6963] 
[  140.656941][ T6963] EXT4-fs (loop1): Total free blocks count 0
[  140.656957][ T6963] EXT4-fs (loop1): Free/Dirty block details
[  140.656971][ T6963] EXT4-fs (loop1): free_blocks=4096
[  140.656988][ T6963] EXT4-fs (loop1): dirty_blocks=16
[  140.657003][ T6963] EXT4-fs (loop1): Block reservation details
[  140.657016][ T6963] EXT4-fs (loop1): i_reserved_data_blocks=1
[  140.659704][ T6952] EXT4-fs (loop3): Total free blocks count 0
[  140.671719][ T6953] EXT4-fs (loop0): i_reserved_data_blocks=1
[  140.711787][ T6952] EXT4-fs (loop3): Free/Dirty block details
[  140.726837][ T6956] EXT4-fs (loop2): Free/Dirty block details
[  140.729971][ T6952] EXT4-fs (loop3): free_blocks=4096
[  140.740531][ T6956] EXT4-fs (loop2): free_blocks=4096
[  140.740554][ T6956] EXT4-fs (loop2): dirty_blocks=16
[  140.740569][ T6956] EXT4-fs (loop2): Block reservation details
[  140.740582][ T6956] EXT4-fs (loop2): i_reserved_data_blocks=1
[  140.746483][   T48] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.769547][ T6952] EXT4-fs (loop3): dirty_blocks=16
[  140.769571][ T6952] EXT4-fs (loop3): Block reservation details
[  140.769584][ T6952] EXT4-fs (loop3): i_reserved_data_blocks=1
[  140.800061][   T48] EXT4-fs (loop1): This should not happen!! Data will be lost
[  140.800061][   T48] 
[  140.802897][ T2926] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.822995][ T2926] EXT4-fs (loop3): This should not happen!! Data will be lost
[  140.822995][ T2926] 
[  140.826046][   T11] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  140.850624][   T11] EXT4-fs (loop2): This should not happen!! Data will be lost
[  140.850624][   T11] 
[  141.028416][ T6973] loop3: detected capacity change from 0 to 2048
[  141.139058][ T6970] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  141.158556][ T6972] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.177184][ T6974] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  141.214703][ T6972] EXT4-fs (loop1): This should not happen!! Data will be lost
[  141.214703][ T6972] 
[  141.236605][ T6971] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  141.239355][ T6975] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.274038][ T6972] EXT4-fs (loop1): Total free blocks count 0
[  141.287828][ T6972] EXT4-fs (loop1): Free/Dirty block details
[  141.293811][ T6972] EXT4-fs (loop1): free_blocks=4096
[  141.300932][ T6975] EXT4-fs (loop0): This should not happen!! Data will be lost
[  141.300932][ T6975] 
[  141.305326][ T6973] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.332862][ T6972] EXT4-fs (loop1): dirty_blocks=16
[  141.341638][ T6973] EXT4-fs (loop3): This should not happen!! Data will be lost
[  141.341638][ T6973] 
[  141.343742][ T6976] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  141.353038][ T6973] EXT4-fs (loop3): Total free blocks count 0
[  141.368305][ T6972] EXT4-fs (loop1): Block reservation details
[  141.373297][ T6973] EXT4-fs (loop3): Free/Dirty block details
[  141.385464][ T6973] EXT4-fs (loop3): free_blocks=4096
[  141.386089][ T6975] EXT4-fs (loop0): Total free blocks count 0
[  141.390682][ T6973] EXT4-fs (loop3): dirty_blocks=16
[  141.390699][ T6973] EXT4-fs (loop3): Block reservation details
[  141.390711][ T6973] EXT4-fs (loop3): i_reserved_data_blocks=1
[  141.409751][ T6972] EXT4-fs (loop1): i_reserved_data_blocks=1
[  141.426264][ T6977] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.438985][ T6977] EXT4-fs (loop2): This should not happen!! Data will be lost
[  141.438985][ T6977] 
[  141.444244][ T6975] EXT4-fs (loop0): Free/Dirty block details
[  141.458078][ T6975] EXT4-fs (loop0): free_blocks=4096
[  141.471647][ T6975] EXT4-fs (loop0): dirty_blocks=16
[  141.472656][ T2926] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.478401][ T6977] EXT4-fs (loop2): Total free blocks count 0
[  141.495684][   T11] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.504617][ T6975] EXT4-fs (loop0): Block reservation details
[  141.517651][   T11] EXT4-fs (loop1): This should not happen!! Data will be lost
[  141.517651][   T11] 
[  141.523907][ T6977] EXT4-fs (loop2): Free/Dirty block details
[  141.528420][ T2926] EXT4-fs (loop3): This should not happen!! Data will be lost
[  141.528420][ T2926] 
[  141.538093][ T6975] EXT4-fs (loop0): i_reserved_data_blocks=1
[  141.557860][ T6977] EXT4-fs (loop2): free_blocks=4096
[  141.565241][ T6977] EXT4-fs (loop2): dirty_blocks=16
[  141.615204][ T6977] EXT4-fs (loop2): Block reservation details
[  141.621501][ T6977] EXT4-fs (loop2): i_reserved_data_blocks=1
[  141.687294][ T3475] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.728807][ T2926] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.729119][ T3475] EXT4-fs (loop0): This should not happen!! Data will be lost
[  141.729119][ T3475] 
[  141.768407][ T6989] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  141.794282][ T6991] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  141.794500][ T2926] EXT4-fs (loop2): This should not happen!! Data will be lost
[  141.794500][ T2926] 
[  141.822232][ T6990] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.841310][ T6990] EXT4-fs (loop1): This should not happen!! Data will be lost
[  141.841310][ T6990] 
[  141.843787][ T6993] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  141.867927][ T6993] EXT4-fs (loop3): This should not happen!! Data will be lost
[  141.867927][ T6993] 
[  141.879370][ T6993] EXT4-fs (loop3): Total free blocks count 0
[  141.887262][ T6990] EXT4-fs (loop1): Total free blocks count 0
[  141.900596][ T6993] EXT4-fs (loop3): Free/Dirty block details
[  141.908267][ T6993] EXT4-fs (loop3): free_blocks=4096
[  141.914352][ T6993] EXT4-fs (loop3): dirty_blocks=16
[  141.918933][ T6990] EXT4-fs (loop1): Free/Dirty block details
[  141.926051][ T6993] EXT4-fs (loop3): Block reservation details
[  141.940019][ T6993] EXT4-fs (loop3): i_reserved_data_blocks=1
[  141.948062][ T6990] EXT4-fs (loop1): free_blocks=4096
[  141.976728][ T6990] EXT4-fs (loop1): dirty_blocks=16
[  141.981928][ T6990] EXT4-fs (loop1): Block reservation details
[  142.005673][   T11] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.022511][ T6990] EXT4-fs (loop1): i_reserved_data_blocks=1
[  142.029000][   T11] EXT4-fs (loop3): This should not happen!! Data will be lost
[  142.029000][   T11] 
[  142.079092][ T3475] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.119690][ T3475] EXT4-fs (loop1): This should not happen!! Data will be lost
[  142.119690][ T3475] 
[  142.125029][ T6998] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  142.173400][ T6999] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.262709][ T6999] EXT4-fs (loop0): This should not happen!! Data will be lost
[  142.262709][ T6999] 
[  142.276986][ T6999] EXT4-fs (loop0): Total free blocks count 0
[  142.283045][ T6999] EXT4-fs (loop0): Free/Dirty block details
[  142.289332][ T6999] EXT4-fs (loop0): free_blocks=4096
[  142.289582][ T7001] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, 
[  142.295923][ T6999] EXT4-fs (loop0): dirty_blocks=16
[  142.295943][ T6999] EXT4-fs (loop0): Block reservation details
[  142.295956][ T6999] EXT4-fs (loop0): i_reserved_data_blocks=1
[  142.322509][ T7001] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  142.401824][ T2926] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.421655][ T7003] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.434912][ T7003] EXT4-fs (loop2): This should not happen!! Data will be lost
[  142.434912][ T7003] 
[  142.460118][ T2926] EXT4-fs (loop0): This should not happen!! Data will be lost
[  142.460118][ T2926] 
[  142.471425][ T7008] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  142.487286][ T7010] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.505121][ T7003] EXT4-fs (loop2): Total free blocks count 0
[  142.505335][ T7010] EXT4-fs (loop3): This should not happen!! Data will be lost
[  142.505335][ T7010] 
[  142.511477][ T7010] EXT4-fs (loop3): Total free blocks count 0
[  142.528696][ T7010] EXT4-fs (loop3): Free/Dirty block details
[  142.534875][ T7010] EXT4-fs (loop3): free_blocks=4096
[  142.541016][ T7010] EXT4-fs (loop3): dirty_blocks=16
[  142.546593][ T7010] EXT4-fs (loop3): Block reservation details
[  142.552804][ T7010] EXT4-fs (loop3): i_reserved_data_blocks=1
[  142.560830][ T7003] EXT4-fs (loop2): Free/Dirty block details
[  142.562924][ T7011] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  142.615251][ T7013] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.619905][   T11] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.627959][ T7003] EXT4-fs (loop2): free_blocks=4096
[  142.651493][   T11] EXT4-fs (loop3): This should not happen!! Data will be lost
[  142.651493][   T11] 
[  142.662177][ T7013] EXT4-fs (loop1): This should not happen!! Data will be lost
[  142.662177][ T7013] 
[  142.672602][ T7003] EXT4-fs (loop2): dirty_blocks=16
[  142.683213][ T7013] EXT4-fs (loop1): Total free blocks count 0
[  142.696134][ T7013] EXT4-fs (loop1): Free/Dirty block details
[  142.702432][ T7013] EXT4-fs (loop1): free_blocks=4096
[  142.714781][ T7013] EXT4-fs (loop1): dirty_blocks=16
[  142.720388][ T7013] EXT4-fs (loop1): Block reservation details
[  142.734814][ T7013] EXT4-fs (loop1): i_reserved_data_blocks=1
[  142.738734][ T7003] EXT4-fs (loop2): Block reservation details
[  142.784973][   T48] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.794580][ T7003] EXT4-fs (loop2): i_reserved_data_blocks=1
[  142.836581][   T48] EXT4-fs (loop1): This should not happen!! Data will be lost
[  142.836581][   T48] 
[  142.894815][ T3475] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  142.952848][ T3475] EXT4-fs (loop2): This should not happen!! Data will be lost
[  142.952848][ T3475] 
[  142.976427][ T7019] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  143.015775][ T7020] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.049515][ T7020] EXT4-fs (loop0): This should not happen!! Data will be lost
[  143.049515][ T7020] 
[  143.068892][ T7020] EXT4-fs (loop0): Total free blocks count 0
[  143.069690][ T7021] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  143.117014][ T7020] EXT4-fs (loop0): Free/Dirty block details
[  143.123036][ T7020] EXT4-fs (loop0): free_blocks=4096
[  143.129157][ T7020] EXT4-fs (loop0): dirty_blocks=16
[  143.134484][ T7020] EXT4-fs (loop0): Block reservation details
[  143.141254][ T7020] EXT4-fs (loop0): i_reserved_data_blocks=1
[  143.151935][ T7023] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.194934][ T7023] EXT4-fs (loop3): This should not happen!! Data will be lost
[  143.194934][ T7023] 
[  143.205254][ T7023] EXT4-fs (loop3): Total free blocks count 0
[  143.211733][ T7023] EXT4-fs (loop3): Free/Dirty block details
[  143.219182][ T7023] EXT4-fs (loop3): free_blocks=4096
[  143.219601][ T7026] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  143.227253][ T7023] EXT4-fs (loop3): dirty_blocks=16
[  143.250935][ T7023] EXT4-fs (loop3): Block reservation details
[  143.252019][ T2926] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.257420][ T7023] EXT4-fs (loop3): i_reserved_data_blocks=1
[  143.265313][ T7027] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.311778][ T7027] EXT4-fs (loop1): This should not happen!! Data will be lost
[  143.311778][ T7027] 
[  143.331753][ T2926] EXT4-fs (loop0): This should not happen!! Data will be lost
[  143.331753][ T2926] 
[  143.352183][ T3475] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.378618][ T7027] EXT4-fs (loop1): Total free blocks count 0
[  143.390195][ T7027] EXT4-fs (loop1): Free/Dirty block details
[  143.396021][ T7032] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  143.424131][ T7027] EXT4-fs (loop1): free_blocks=4096
[  143.429887][ T7027] EXT4-fs (loop1): dirty_blocks=16
[  143.433326][ T3475] EXT4-fs (loop3): This should not happen!! Data will be lost
[  143.433326][ T3475] 
[  143.440190][ T7027] EXT4-fs (loop1): Block reservation details
[  143.456547][ T7034] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.506435][ T7027] EXT4-fs (loop1): i_reserved_data_blocks=1
[  143.506435][ T7034] EXT4-fs (loop2): This should not happen!! Data will be lost
[  143.506435][ T7034] 
[  143.506461][ T7034] EXT4-fs (loop2): Total free blocks count 0
[  143.566229][ T7034] EXT4-fs (loop2): Free/Dirty block details
[  143.572213][ T7034] EXT4-fs (loop2): free_blocks=4096
[  143.590315][   T12] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.644563][   T12] EXT4-fs (loop1): This should not happen!! Data will be lost
[  143.644563][   T12] 
[  143.668713][   T28] kauditd_printk_skb: 42 callbacks suppressed
[  143.668729][   T28] audit: type=1800 audit(1772612909.291:438): pid=7040 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.240" name="file1" dev="loop0" ino=15 res=0 errno=0
[  143.703048][ T7039] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  143.739183][ T7034] EXT4-fs (loop2): dirty_blocks=16
[  143.775276][ T7034] EXT4-fs (loop2): Block reservation details
[  143.798700][ T7034] EXT4-fs (loop2): i_reserved_data_blocks=1
[  143.811702][ T7040] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.831239][   T28] audit: type=1800 audit(1772612909.331:439): pid=7040 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.240" name="file1" dev="loop0" ino=15 res=0 errno=0
[  143.874532][ T7040] EXT4-fs (loop0): This should not happen!! Data will be lost
[  143.874532][ T7040] 
[  143.907176][ T7040] EXT4-fs (loop0): Total free blocks count 0
[  143.913341][ T7040] EXT4-fs (loop0): Free/Dirty block details
[  143.927349][ T1132] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  143.947802][ T7040] EXT4-fs (loop0): free_blocks=4096
[  143.963470][ T1132] EXT4-fs (loop2): This should not happen!! Data will be lost
[  143.963470][ T1132] 
[  143.973895][ T7040] EXT4-fs (loop0): dirty_blocks=16
[  143.993944][ T7040] EXT4-fs (loop0): Block reservation details
[  144.020780][   T28] audit: type=1800 audit(1772612909.641:440): pid=7046 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.242" name="file1" dev="loop1" ino=15 res=0 errno=0
[  144.044299][ T7040] EXT4-fs (loop0): i_reserved_data_blocks=1
[  144.044511][ T7045] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  144.095073][   T12] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  144.114485][   T12] EXT4-fs (loop0): This should not happen!! Data will be lost
[  144.114485][   T12] 
[  144.141097][   T28] audit: type=1800 audit(1772612909.661:441): pid=7046 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.242" name="file1" dev="loop1" ino=15 res=0 errno=0
[  144.163099][ T7043] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  144.169748][ T7046] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  144.187602][ T7044] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  144.203259][ T7044] EXT4-fs (loop3): This should not happen!! Data will be lost
[  144.203259][ T7044] 
[  144.213572][ T7044] EXT4-fs (loop3): Total free blocks count 0
[  144.222374][ T7046] EXT4-fs (loop1): This should not happen!! Data will be lost
[  144.222374][ T7046] 
[  144.233046][   T28] audit: type=1800 audit(1772612909.741:442): pid=7044 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.241" name="file1" dev="loop3" ino=15 res=0 errno=0
[  144.259143][ T7046] EXT4-fs (loop1): Total free blocks count 0
[  144.275123][ T7044] EXT4-fs (loop3): Free/Dirty block details
[  144.281096][ T7044] EXT4-fs (loop3): free_blocks=4096
[  144.294567][ T7046] EXT4-fs (loop1): Free/Dirty block details
[  144.300700][ T7046] EXT4-fs (loop1): free_blocks=4096
[  144.306170][ T7044] EXT4-fs (loop3): dirty_blocks=16
[  144.311327][ T7044] EXT4-fs (loop3): Block reservation details
[  144.324568][   T28] audit: type=1800 audit(1772612909.741:443): pid=7044 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.241" name="file1" dev="loop3" ino=15 res=0 errno=0
[  144.355494][ T7046] EXT4-fs (loop1): dirty_blocks=16
[  144.360769][ T7046] EXT4-fs (loop1): Block reservation details
[  144.371460][ T7044] EXT4-fs (loop3): i_reserved_data_blocks=1
[  144.379735][ T7046] EXT4-fs (loop1): i_reserved_data_blocks=1
[  144.422334][   T11] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  144.449405][   T11] EXT4-fs (loop3): This should not happen!! Data will be lost
[  144.449405][   T11] 
[  144.451112][   T48] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
2026/03/04 08:28:30 executed programs: 236
[  144.460939][ T7054] set_capacity_and_notify: 16 callbacks suppressed
[  144.460952][ T7054] loop2: detected capacity change from 0 to 2048
[  144.515291][   T48] EXT4-fs (loop1): This should not happen!! Data will be lost
[  144.515291][   T48] 
[  144.535670][ T7058] loop0: detected capacity change from 0 to 2048
[  144.621708][   T28] audit: type=1800 audit(1772612910.231:444): pid=7054 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.243" name="file1" dev="loop2" ino=15 res=0 errno=0
[  144.644239][ T7053] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  144.696375][ T7054] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  144.732191][ T7057] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  144.773825][   T28] audit: type=1800 audit(1772612910.231:445): pid=7054 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.243" name="file1" dev="loop2" ino=15 res=0 errno=0
[  144.798715][ T7058] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  144.839575][ T7054] EXT4-fs (loop2): This should not happen!! Data will be lost
[  144.839575][ T7054] 
[  144.855154][ T7062] loop3: detected capacity change from 0 to 2048
[  144.864086][ T7058] EXT4-fs (loop0): This should not happen!! Data will be lost
[  144.864086][ T7058] 
[  144.878322][   T28] audit: type=1800 audit(1772612910.341:446): pid=7058 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.244" name="file1" dev="loop0" ino=15 res=0 errno=0
[  144.894610][ T7054] EXT4-fs (loop2): Total free blocks count 0
[  144.899093][ T7058] EXT4-fs (loop0): Total free blocks count 0
[  144.912101][   T28] audit: type=1800 audit(1772612910.341:447): pid=7058 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.244" name="file1" dev="loop0" ino=15 res=0 errno=0
[  144.926973][ T7054] EXT4-fs (loop2): Free/Dirty block details
[  144.942313][ T7058] EXT4-fs (loop0): Free/Dirty block details
[  144.942338][ T7066] loop1: detected capacity change from 0 to 2048
[  144.956795][ T7054] EXT4-fs (loop2): free_blocks=4096
[  144.962405][ T7058] EXT4-fs (loop0): free_blocks=4096
[  144.962795][ T7054] EXT4-fs (loop2): dirty_blocks=16
[  144.975276][ T7058] EXT4-fs (loop0): dirty_blocks=16
[  144.977151][ T7061] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, 
[  144.980504][ T7058] EXT4-fs (loop0): Block reservation details
[  144.980521][ T7058] EXT4-fs (loop0): i_reserved_data_blocks=1
[  144.989068][ T7061] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  144.990068][ T7062] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.021198][ T7054] EXT4-fs (loop2): Block reservation details
[  145.022819][ T7062] EXT4-fs (loop3): This should not happen!! Data will be lost
[  145.022819][ T7062] 
[  145.039235][ T7062] EXT4-fs (loop3): Total free blocks count 0
[  145.046157][ T7062] EXT4-fs (loop3): Free/Dirty block details
[  145.052195][ T7062] EXT4-fs (loop3): free_blocks=4096
[  145.058056][ T7062] EXT4-fs (loop3): dirty_blocks=16
[  145.064256][ T7062] EXT4-fs (loop3): Block reservation details
[  145.070398][ T7062] EXT4-fs (loop3): i_reserved_data_blocks=1
[  145.070868][ T7054] EXT4-fs (loop2): i_reserved_data_blocks=1
[  145.086948][ T7065] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  145.121835][ T7066] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.122172][   T11] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.134639][ T7066] EXT4-fs (loop1): This should not happen!! Data will be lost
[  145.134639][ T7066] 
[  145.159456][ T7066] EXT4-fs (loop1): Total free blocks count 0
[  145.169126][ T7066] EXT4-fs (loop1): Free/Dirty block details
[  145.175348][ T7066] EXT4-fs (loop1): free_blocks=4096
[  145.180787][ T7066] EXT4-fs (loop1): dirty_blocks=16
[  145.187145][ T7066] EXT4-fs (loop1): Block reservation details
[  145.188075][   T48] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.193238][ T7066] EXT4-fs (loop1): i_reserved_data_blocks=1
[  145.213452][   T12] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.215551][   T11] EXT4-fs (loop3): This should not happen!! Data will be lost
[  145.215551][   T11] 
[  145.236631][   T48] EXT4-fs (loop0): This should not happen!! Data will be lost
[  145.236631][   T48] 
[  145.247691][ T2926] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.262165][   T12] EXT4-fs (loop2): This should not happen!! Data will be lost
[  145.262165][   T12] 
[  145.273547][ T2926] EXT4-fs (loop1): This should not happen!! Data will be lost
[  145.273547][ T2926] 
[  145.477758][ T7076] loop2: detected capacity change from 0 to 2048
[  145.486433][ T7079] loop0: detected capacity change from 0 to 2048
[  145.491296][ T7077] loop3: detected capacity change from 0 to 2048
[  145.521769][ T7078] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  145.604205][ T7083] loop1: detected capacity change from 0 to 2048
[  145.612707][ T7075] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  145.614572][ T7079] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.640073][ T7079] EXT4-fs (loop0): This should not happen!! Data will be lost
[  145.640073][ T7079] 
[  145.643598][ T7074] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  145.650873][ T7079] EXT4-fs (loop0): Total free blocks count 0
[  145.670695][ T7079] EXT4-fs (loop0): Free/Dirty block details
[  145.679009][ T7076] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.691599][ T7079] EXT4-fs (loop0): free_blocks=4096
[  145.697115][ T7076] EXT4-fs (loop2): This should not happen!! Data will be lost
[  145.697115][ T7076] 
[  145.707555][ T7079] EXT4-fs (loop0): dirty_blocks=16
[  145.712715][ T7079] EXT4-fs (loop0): Block reservation details
[  145.719512][ T7076] EXT4-fs (loop2): Total free blocks count 0
[  145.725662][ T7079] EXT4-fs (loop0): i_reserved_data_blocks=1
[  145.731972][ T7076] EXT4-fs (loop2): Free/Dirty block details
[  145.738705][ T7077] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.753836][ T7076] EXT4-fs (loop2): free_blocks=4096
[  145.759474][ T7076] EXT4-fs (loop2): dirty_blocks=16
[  145.771913][ T7076] EXT4-fs (loop2): Block reservation details
[  145.780457][   T48] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.793382][ T7076] EXT4-fs (loop2): i_reserved_data_blocks=1
[  145.799581][   T48] EXT4-fs (loop0): This should not happen!! Data will be lost
[  145.799581][   T48] 
[  145.807840][ T7080] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  145.834281][ T7077] EXT4-fs (loop3): This should not happen!! Data will be lost
[  145.834281][ T7077] 
[  145.855275][ T7083] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.873615][ T7077] EXT4-fs (loop3): Total free blocks count 0
[  145.883040][ T1092] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  145.900325][ T7077] EXT4-fs (loop3): Free/Dirty block details
[  145.923816][ T7083] EXT4-fs (loop1): This should not happen!! Data will be lost
[  145.923816][ T7083] 
[  145.933481][ T1092] EXT4-fs (loop2): This should not happen!! Data will be lost
[  145.933481][ T1092] 
[  145.954599][ T7077] EXT4-fs (loop3): free_blocks=4096
[  145.959896][ T7077] EXT4-fs (loop3): dirty_blocks=16
[  145.983885][ T7083] EXT4-fs (loop1): Total free blocks count 0
[  146.004931][ T7077] EXT4-fs (loop3): Block reservation details
[  146.015067][ T7083] EXT4-fs (loop1): Free/Dirty block details
[  146.021202][ T7083] EXT4-fs (loop1): free_blocks=4096
[  146.027070][ T7077] EXT4-fs (loop3): i_reserved_data_blocks=1
[  146.074860][ T7083] EXT4-fs (loop1): dirty_blocks=16
[  146.080306][ T7083] EXT4-fs (loop1): Block reservation details
[  146.097759][ T7093] loop0: detected capacity change from 0 to 2048
[  146.147768][ T7083] EXT4-fs (loop1): i_reserved_data_blocks=1
[  146.162330][ T1132] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.204358][ T1132] EXT4-fs (loop3): This should not happen!! Data will be lost
[  146.204358][ T1132] 
[  146.221558][   T48] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.233035][ T7092] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  146.263295][   T48] EXT4-fs (loop1): This should not happen!! Data will be lost
[  146.263295][   T48] 
[  146.268049][ T7093] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.302133][ T7098] loop2: detected capacity change from 0 to 2048
[  146.344581][ T7093] EXT4-fs (loop0): This should not happen!! Data will be lost
[  146.344581][ T7093] 
[  146.406328][ T7093] EXT4-fs (loop0): Total free blocks count 0
[  146.434327][ T7093] EXT4-fs (loop0): Free/Dirty block details
[  146.462594][ T7093] EXT4-fs (loop0): free_blocks=4096
[  146.464160][ T7097] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  146.468399][ T7093] EXT4-fs (loop0): dirty_blocks=16
[  146.489114][ T7093] EXT4-fs (loop0): Block reservation details
[  146.496185][ T7093] EXT4-fs (loop0): i_reserved_data_blocks=1
[  146.524610][ T7098] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.537610][ T7098] EXT4-fs (loop2): This should not happen!! Data will be lost
[  146.537610][ T7098] 
[  146.551320][ T7098] EXT4-fs (loop2): Total free blocks count 0
[  146.552273][   T11] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.557763][ T7098] EXT4-fs (loop2): Free/Dirty block details
[  146.557784][ T7098] EXT4-fs (loop2): free_blocks=4096
[  146.557802][ T7098] EXT4-fs (loop2): dirty_blocks=16
[  146.587349][ T7098] EXT4-fs (loop2): Block reservation details
[  146.593935][ T7098] EXT4-fs (loop2): i_reserved_data_blocks=1
[  146.606948][   T11] EXT4-fs (loop0): This should not happen!! Data will be lost
[  146.606948][   T11] 
[  146.632617][ T1132] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.648587][ T1132] EXT4-fs (loop2): This should not happen!! Data will be lost
[  146.648587][ T1132] 
[  146.656003][ T7101] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  146.693012][ T7099] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  146.768256][ T7104] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.794331][ T7100] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  146.805445][ T7104] EXT4-fs (loop1): This should not happen!! Data will be lost
[  146.805445][ T7104] 
[  146.856756][ T7104] EXT4-fs (loop1): Total free blocks count 0
[  146.864532][ T7100] EXT4-fs (loop3): This should not happen!! Data will be lost
[  146.864532][ T7100] 
[  146.878109][ T7104] EXT4-fs (loop1): Free/Dirty block details
[  146.895002][ T7104] EXT4-fs (loop1): free_blocks=4096
[  146.901238][ T7100] EXT4-fs (loop3): Total free blocks count 0
[  146.911655][ T7100] EXT4-fs (loop3): Free/Dirty block details
[  146.918039][ T7104] EXT4-fs (loop1): dirty_blocks=16
[  146.923478][ T7100] EXT4-fs (loop3): free_blocks=4096
[  146.930527][ T7104] EXT4-fs (loop1): Block reservation details
[  146.931186][ T7100] EXT4-fs (loop3): dirty_blocks=16
[  146.949267][ T7104] EXT4-fs (loop1): i_reserved_data_blocks=1
[  146.966144][ T7100] EXT4-fs (loop3): Block reservation details
[  146.972500][ T7100] EXT4-fs (loop3): i_reserved_data_blocks=1
[  146.999995][ T1092] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.008363][ T7112] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  147.014134][ T1092] EXT4-fs (loop3): This should not happen!! Data will be lost
[  147.014134][ T1092] 
[  147.044333][ T7111] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  147.062762][ T7113] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.075520][   T11] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.087892][ T7114] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.087921][ T7114] EXT4-fs (loop0): This should not happen!! Data will be lost
[  147.087921][ T7114] 
[  147.087934][ T7114] EXT4-fs (loop0): Total free blocks count 0
[  147.087948][ T7114] EXT4-fs (loop0): Free/Dirty block details
[  147.087961][ T7114] EXT4-fs (loop0): free_blocks=4096
[  147.087978][ T7114] EXT4-fs (loop0): dirty_blocks=16
[  147.087991][ T7114] EXT4-fs (loop0): Block reservation details
[  147.088004][ T7114] EXT4-fs (loop0): i_reserved_data_blocks=1
[  147.099332][ T7113] EXT4-fs (loop2): This should not happen!! Data will be lost
[  147.099332][ T7113] 
[  147.160421][ T7113] EXT4-fs (loop2): Total free blocks count 0
[  147.166568][ T7113] EXT4-fs (loop2): Free/Dirty block details
[  147.172505][ T7113] EXT4-fs (loop2): free_blocks=4096
[  147.177945][ T7113] EXT4-fs (loop2): dirty_blocks=16
[  147.183674][ T7113] EXT4-fs (loop2): Block reservation details
[  147.185277][ T1132] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.189918][ T7113] EXT4-fs (loop2): i_reserved_data_blocks=1
[  147.208424][   T11] EXT4-fs (loop1): This should not happen!! Data will be lost
[  147.208424][   T11] 
[  147.276620][   T48] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.286350][ T1132] EXT4-fs (loop0): This should not happen!! Data will be lost
[  147.286350][ T1132] 
[  147.362034][   T48] EXT4-fs (loop2): This should not happen!! Data will be lost
[  147.362034][   T48] 
[  147.391711][ T7122] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  147.445154][ T7123] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.464568][ T7123] EXT4-fs (loop1): This should not happen!! Data will be lost
[  147.464568][ T7123] 
[  147.474576][ T7123] EXT4-fs (loop1): Total free blocks count 0
[  147.481668][ T7123] EXT4-fs (loop1): Free/Dirty block details
[  147.524936][ T7123] EXT4-fs (loop1): free_blocks=4096
[  147.530310][ T7123] EXT4-fs (loop1): dirty_blocks=16
[  147.559120][ T7124] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  147.564599][ T7123] EXT4-fs (loop1): Block reservation details
[  147.580856][ T7123] EXT4-fs (loop1): i_reserved_data_blocks=1
[  147.660954][ T2926] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.661956][ T7125] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.704581][ T2926] EXT4-fs (loop1): This should not happen!! Data will be lost
[  147.704581][ T2926] 
[  147.714801][ T7125] EXT4-fs (loop3): This should not happen!! Data will be lost
[  147.714801][ T7125] 
[  147.723354][ T7128] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  147.725583][ T7125] EXT4-fs (loop3): Total free blocks count 0
[  147.769773][ T7130] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.806273][ T7125] EXT4-fs (loop3): Free/Dirty block details
[  147.829521][ T7125] EXT4-fs (loop3): free_blocks=4096
[  147.835308][ T7130] EXT4-fs (loop0): This should not happen!! Data will be lost
[  147.835308][ T7130] 
[  147.875146][ T7125] EXT4-fs (loop3): dirty_blocks=16
[  147.882730][ T7133] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  147.884501][ T7125] EXT4-fs (loop3): Block reservation details
[  147.898108][ T7130] EXT4-fs (loop0): Total free blocks count 0
[  147.916359][ T7134] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  147.916790][ T7125] EXT4-fs (loop3): i_reserved_data_blocks=1
[  147.934556][ T7130] EXT4-fs (loop0): Free/Dirty block details
[  147.942277][ T7130] EXT4-fs (loop0): free_blocks=4096
[  147.964725][ T7130] EXT4-fs (loop0): dirty_blocks=16
[  147.965500][ T7134] EXT4-fs (loop2): This should not happen!! Data will be lost
[  147.965500][ T7134] 
[  147.982054][ T7134] EXT4-fs (loop2): Total free blocks count 0
[  147.988687][ T7134] EXT4-fs (loop2): Free/Dirty block details
[  147.995111][ T7134] EXT4-fs (loop2): free_blocks=4096
[  147.998919][ T7130] EXT4-fs (loop0): Block reservation details
[  148.000383][ T7134] EXT4-fs (loop2): dirty_blocks=16
[  148.012459][ T7134] EXT4-fs (loop2): Block reservation details
[  148.019557][ T7134] EXT4-fs (loop2): i_reserved_data_blocks=1
[  148.023685][   T48] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.029503][ T7130] EXT4-fs (loop0): i_reserved_data_blocks=1
[  148.051928][   T48] EXT4-fs (loop3): This should not happen!! Data will be lost
[  148.051928][   T48] 
[  148.075608][   T11] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.090429][   T48] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.123280][   T11] EXT4-fs (loop0): This should not happen!! Data will be lost
[  148.123280][   T11] 
[  148.133168][   T48] EXT4-fs (loop2): This should not happen!! Data will be lost
[  148.133168][   T48] 
[  148.138464][ T7139] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  148.160684][ T7141] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.193726][ T7141] EXT4-fs (loop1): This should not happen!! Data will be lost
[  148.193726][ T7141] 
[  148.238813][ T7141] EXT4-fs (loop1): Total free blocks count 0
[  148.271359][ T7141] EXT4-fs (loop1): Free/Dirty block details
[  148.314616][ T7141] EXT4-fs (loop1): free_blocks=4096
[  148.320087][ T7141] EXT4-fs (loop1): dirty_blocks=16
[  148.356879][ T7141] EXT4-fs (loop1): Block reservation details
[  148.362953][ T7141] EXT4-fs (loop1): i_reserved_data_blocks=1
[  148.389099][   T11] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.410497][   T11] EXT4-fs (loop1): This should not happen!! Data will be lost
[  148.410497][   T11] 
[  148.481157][ T7146] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  148.551725][ T7147] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.552880][ T7148] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, 
[  148.564625][ T7147] EXT4-fs (loop3): This should not happen!! Data will be lost
[  148.564625][ T7147] 
[  148.564651][ T7147] EXT4-fs (loop3): Total free blocks count 0
[  148.572900][ T7148] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  148.582863][ T7147] EXT4-fs (loop3): Free/Dirty block details
[  148.604012][ T7147] EXT4-fs (loop3): free_blocks=4096
[  148.609533][ T7147] EXT4-fs (loop3): dirty_blocks=16
[  148.617362][ T7147] EXT4-fs (loop3): Block reservation details
[  148.623903][ T7147] EXT4-fs (loop3): i_reserved_data_blocks=1
[  148.640612][ T7150] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  148.663348][ T7149] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.690512][ T7151] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.721798][ T7151] EXT4-fs (loop0): This should not happen!! Data will be lost
[  148.721798][ T7151] 
[  148.733899][   T48] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.748396][ T7149] EXT4-fs (loop2): This should not happen!! Data will be lost
[  148.748396][ T7149] 
[  148.759439][   T48] EXT4-fs (loop3): This should not happen!! Data will be lost
[  148.759439][   T48] 
[  148.770355][ T7151] EXT4-fs (loop0): Total free blocks count 0
[  148.777006][   T28] kauditd_printk_skb: 40 callbacks suppressed
[  148.777023][   T28] audit: type=1800 audit(1772612914.391:488): pid=7160 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.265" name="file1" dev="loop1" ino=15 res=0 errno=0
[  148.779707][ T7159] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, 
[  148.783329][ T7151] EXT4-fs (loop0): Free/Dirty block details
[  148.804160][ T7159] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  148.812589][ T7149] EXT4-fs (loop2): Total free blocks count 0
[  148.812610][ T7149] EXT4-fs (loop2): Free/Dirty block details
[  148.812625][ T7149] EXT4-fs (loop2): free_blocks=4096
[  148.812642][ T7149] EXT4-fs (loop2): dirty_blocks=16
[  148.812656][ T7149] EXT4-fs (loop2): Block reservation details
[  148.812669][ T7149] EXT4-fs (loop2): i_reserved_data_blocks=1
[  148.814458][   T28] audit: type=1800 audit(1772612914.401:489): pid=7160 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.265" name="file1" dev="loop1" ino=15 res=0 errno=0
[  148.832436][ T7160] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.902451][ T7151] EXT4-fs (loop0): free_blocks=4096
[  148.922657][   T48] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  148.936752][ T7151] EXT4-fs (loop0): dirty_blocks=16
[  148.942016][ T7151] EXT4-fs (loop0): Block reservation details
[  148.961109][ T7160] EXT4-fs (loop1): This should not happen!! Data will be lost
[  148.961109][ T7160] 
[  148.964626][ T7151] EXT4-fs (loop0): i_reserved_data_blocks=1
[  148.977796][   T48] EXT4-fs (loop2): This should not happen!! Data will be lost
[  148.977796][   T48] 
[  148.991314][ T7160] EXT4-fs (loop1): Total free blocks count 0
[  148.998282][ T7160] EXT4-fs (loop1): Free/Dirty block details
[  149.004241][ T7160] EXT4-fs (loop1): free_blocks=4096
[  149.009978][ T7160] EXT4-fs (loop1): dirty_blocks=16
[  149.047031][ T1132] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.066872][ T7164] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  149.082323][   T28] audit: type=1800 audit(1772612914.681:490): pid=7165 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.266" name="file1" dev="loop3" ino=15 res=0 errno=0
[  149.103949][ T1132] EXT4-fs (loop0): This should not happen!! Data will be lost
[  149.103949][ T1132] 
[  149.113764][ T7160] EXT4-fs (loop1): Block reservation details
[  149.113786][ T7160] EXT4-fs (loop1): i_reserved_data_blocks=1
[  149.132263][ T7165] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.150404][   T28] audit: type=1800 audit(1772612914.681:491): pid=7165 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.266" name="file1" dev="loop3" ino=15 res=0 errno=0
[  149.176976][   T48] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.190725][ T7165] EXT4-fs (loop3): This should not happen!! Data will be lost
[  149.190725][ T7165] 
[  149.203522][   T48] EXT4-fs (loop1): This should not happen!! Data will be lost
[  149.203522][   T48] 
[  149.210780][ T7165] EXT4-fs (loop3): Total free blocks count 0
[  149.221713][ T7165] EXT4-fs (loop3): Free/Dirty block details
[  149.258957][ T7165] EXT4-fs (loop3): free_blocks=4096
[  149.264254][ T7165] EXT4-fs (loop3): dirty_blocks=16
[  149.276819][ T7165] EXT4-fs (loop3): Block reservation details
[  149.282980][ T7165] EXT4-fs (loop3): i_reserved_data_blocks=1
[  149.290359][   T28] audit: type=1800 audit(1772612914.891:492): pid=7170 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.267" name="file1" dev="loop2" ino=15 res=0 errno=0
[  149.306407][ T7169] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  149.329923][ T7170] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.335141][   T28] audit: type=1800 audit(1772612914.891:493): pid=7170 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.267" name="file1" dev="loop2" ino=15 res=0 errno=0
[  149.376458][ T7170] EXT4-fs (loop2): This should not happen!! Data will be lost
[  149.376458][ T7170] 
[  149.403603][ T7170] EXT4-fs (loop2): Total free blocks count 0
[  149.407883][ T7173] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  149.410943][   T11] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.442000][   T28] audit: type=1800 audit(1772612915.011:494): pid=7174 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.268" name="file1" dev="loop0" ino=15 res=0 errno=0
[  149.468690][ T7170] EXT4-fs (loop2): Free/Dirty block details
[  149.478429][   T11] EXT4-fs (loop3): This should not happen!! Data will be lost
[  149.478429][   T11] 
[  149.500725][ T7174] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.509301][   T28] audit: type=1800 audit(1772612915.031:495): pid=7174 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.268" name="file1" dev="loop0" ino=15 res=0 errno=0
[  149.543425][ T7179] set_capacity_and_notify: 16 callbacks suppressed
[  149.543438][ T7179] loop1: detected capacity change from 0 to 2048
[  149.566470][ T7170] EXT4-fs (loop2): free_blocks=4096
[  149.571916][ T7170] EXT4-fs (loop2): dirty_blocks=16
[  149.573589][ T7174] EXT4-fs (loop0): This should not happen!! Data will be lost
[  149.573589][ T7174] 
[  149.588718][ T7170] EXT4-fs (loop2): Block reservation details
[  149.595036][ T7174] EXT4-fs (loop0): Total free blocks count 0
[  149.595074][ T7170] EXT4-fs (loop2): i_reserved_data_blocks=1
[  149.614508][ T7174] EXT4-fs (loop0): Free/Dirty block details
[  149.624807][ T7174] EXT4-fs (loop0): free_blocks=4096
[  149.630089][ T7174] EXT4-fs (loop0): dirty_blocks=16
[  149.649853][ T7174] EXT4-fs (loop0): Block reservation details
[  149.656167][ T7174] EXT4-fs (loop0): i_reserved_data_blocks=1
2026/03/04 08:28:35 executed programs: 262
[  149.676427][   T11] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.700030][   T11] EXT4-fs (loop2): This should not happen!! Data will be lost
[  149.700030][   T11] 
[  149.723880][ T7178] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  149.744519][   T28] audit: type=1800 audit(1772612915.341:496): pid=7179 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.269" name="file1" dev="loop1" ino=15 res=0 errno=0
[  149.751763][ T7181] loop3: detected capacity change from 0 to 2048
[  149.813233][   T11] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.831740][   T28] audit: type=1800 audit(1772612915.341:497): pid=7179 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.269" name="file1" dev="loop1" ino=15 res=0 errno=0
[  149.832249][ T7179] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  149.858408][   T11] EXT4-fs (loop0): This should not happen!! Data will be lost
[  149.858408][   T11] 
[  149.869414][ T7179] EXT4-fs (loop1): This should not happen!! Data will be lost
[  149.869414][ T7179] 
[  149.886365][ T7179] EXT4-fs (loop1): Total free blocks count 0
[  149.892580][ T7179] EXT4-fs (loop1): Free/Dirty block details
[  149.921073][ T7179] EXT4-fs (loop1): free_blocks=4096
[  149.926819][ T7179] EXT4-fs (loop1): dirty_blocks=16
[  149.932332][ T7179] EXT4-fs (loop1): Block reservation details
[  149.935871][ T7180] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  149.938818][ T7179] EXT4-fs (loop1): i_reserved_data_blocks=1
[  149.977484][ T7181] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.026956][ T1092] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.032685][ T7187] loop2: detected capacity change from 0 to 2048
[  150.047557][ T7181] EXT4-fs (loop3): This should not happen!! Data will be lost
[  150.047557][ T7181] 
[  150.057793][ T7181] EXT4-fs (loop3): Total free blocks count 0
[  150.064199][ T7181] EXT4-fs (loop3): Free/Dirty block details
[  150.070626][ T7181] EXT4-fs (loop3): free_blocks=4096
[  150.077024][ T7181] EXT4-fs (loop3): dirty_blocks=16
[  150.082284][ T7181] EXT4-fs (loop3): Block reservation details
[  150.088742][ T1092] EXT4-fs (loop1): This should not happen!! Data will be lost
[  150.088742][ T1092] 
[  150.088764][ T7181] EXT4-fs (loop3): i_reserved_data_blocks=1
[  150.132163][ T1092] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.147023][ T1092] EXT4-fs (loop3): This should not happen!! Data will be lost
[  150.147023][ T1092] 
[  150.231233][ T7186] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  150.264776][ T7190] loop0: detected capacity change from 0 to 2048
[  150.297907][ T7187] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.321733][ T7187] EXT4-fs (loop2): This should not happen!! Data will be lost
[  150.321733][ T7187] 
[  150.336915][ T7187] EXT4-fs (loop2): Total free blocks count 0
[  150.343074][ T7187] EXT4-fs (loop2): Free/Dirty block details
[  150.349423][ T7187] EXT4-fs (loop2): free_blocks=4096
[  150.356021][ T7187] EXT4-fs (loop2): dirty_blocks=16
[  150.361323][ T7187] EXT4-fs (loop2): Block reservation details
[  150.367883][ T7187] EXT4-fs (loop2): i_reserved_data_blocks=1
[  150.402413][ T7198] loop1: detected capacity change from 0 to 2048
[  150.427656][ T7188] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  150.446621][ T7194] loop3: detected capacity change from 0 to 2048
[  150.446791][ T1132] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.475680][ T7190] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.513189][ T7190] EXT4-fs (loop0): This should not happen!! Data will be lost
[  150.513189][ T7190] 
[  150.520852][ T1132] EXT4-fs (loop2): This should not happen!! Data will be lost
[  150.520852][ T1132] 
[  150.547884][ T7190] EXT4-fs (loop0): Total free blocks count 0
[  150.554097][ T7190] EXT4-fs (loop0): Free/Dirty block details
[  150.562637][ T7190] EXT4-fs (loop0): free_blocks=4096
[  150.568458][ T7190] EXT4-fs (loop0): dirty_blocks=16
[  150.573714][ T7190] EXT4-fs (loop0): Block reservation details
[  150.580349][ T7190] EXT4-fs (loop0): i_reserved_data_blocks=1
[  150.587684][ T7197] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  150.596813][ T7193] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  150.626304][ T7198] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.666719][ T2926] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.689756][ T7198] EXT4-fs (loop1): This should not happen!! Data will be lost
[  150.689756][ T7198] 
[  150.691051][ T7194] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.702508][ T2926] EXT4-fs (loop0): This should not happen!! Data will be lost
[  150.702508][ T2926] 
[  150.723402][ T7198] EXT4-fs (loop1): Total free blocks count 0
[  150.730579][ T7198] EXT4-fs (loop1): Free/Dirty block details
[  150.737164][ T7194] EXT4-fs (loop3): This should not happen!! Data will be lost
[  150.737164][ T7194] 
[  150.770124][ T7194] EXT4-fs (loop3): Total free blocks count 0
[  150.778348][ T7198] EXT4-fs (loop1): free_blocks=4096
[  150.781521][ T7205] loop2: detected capacity change from 0 to 2048
[  150.792094][ T7198] EXT4-fs (loop1): dirty_blocks=16
[  150.804628][ T7198] EXT4-fs (loop1): Block reservation details
[  150.810767][ T7198] EXT4-fs (loop1): i_reserved_data_blocks=1
[  150.842962][ T7194] EXT4-fs (loop3): Free/Dirty block details
[  150.850388][ T7194] EXT4-fs (loop3): free_blocks=4096
[  150.856286][ T7194] EXT4-fs (loop3): dirty_blocks=16
[  150.862670][ T7194] EXT4-fs (loop3): Block reservation details
[  150.869021][ T7194] EXT4-fs (loop3): i_reserved_data_blocks=1
[  150.878577][ T7204] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  150.917062][ T7207] loop0: detected capacity change from 0 to 2048
[  150.926286][ T2926] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.940883][   T48] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.944311][ T2926] EXT4-fs (loop1): This should not happen!! Data will be lost
[  150.944311][ T2926] 
[  150.955429][ T7205] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  150.986332][   T48] EXT4-fs (loop3): This should not happen!! Data will be lost
[  150.986332][   T48] 
[  150.998607][ T7205] EXT4-fs (loop2): This should not happen!! Data will be lost
[  150.998607][ T7205] 
[  151.009409][ T7205] EXT4-fs (loop2): Total free blocks count 0
[  151.015976][ T7205] EXT4-fs (loop2): Free/Dirty block details
[  151.022132][ T7205] EXT4-fs (loop2): free_blocks=4096
[  151.027935][ T7205] EXT4-fs (loop2): dirty_blocks=16
[  151.033326][ T7205] EXT4-fs (loop2): Block reservation details
[  151.040103][ T7205] EXT4-fs (loop2): i_reserved_data_blocks=1
[  151.056048][ T7206] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  151.142388][ T7207] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.163367][ T2926] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.210857][ T2926] EXT4-fs (loop2): This should not happen!! Data will be lost
[  151.210857][ T2926] 
[  151.221427][ T7207] EXT4-fs (loop0): This should not happen!! Data will be lost
[  151.221427][ T7207] 
[  151.228461][ T7218] loop3: detected capacity change from 0 to 2048
[  151.258157][ T7216] loop1: detected capacity change from 0 to 2048
[  151.272809][ T7207] EXT4-fs (loop0): Total free blocks count 0
[  151.294901][ T7207] EXT4-fs (loop0): Free/Dirty block details
[  151.300960][ T7207] EXT4-fs (loop0): free_blocks=4096
[  151.356495][ T7217] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  151.377350][ T7207] EXT4-fs (loop0): dirty_blocks=16
[  151.382681][ T7207] EXT4-fs (loop0): Block reservation details
[  151.388991][ T7207] EXT4-fs (loop0): i_reserved_data_blocks=1
[  151.409413][ T7218] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.409712][ T1132] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.422238][ T7218] EXT4-fs (loop3): This should not happen!! Data will be lost
[  151.422238][ T7218] 
[  151.445432][ T7218] EXT4-fs (loop3): Total free blocks count 0
[  151.451466][ T7218] EXT4-fs (loop3): Free/Dirty block details
[  151.459480][ T7218] EXT4-fs (loop3): free_blocks=4096
[  151.464843][ T7218] EXT4-fs (loop3): dirty_blocks=16
[  151.470284][ T7218] EXT4-fs (loop3): Block reservation details
[  151.476902][ T7218] EXT4-fs (loop3): i_reserved_data_blocks=1
[  151.483455][ T1132] EXT4-fs (loop0): This should not happen!! Data will be lost
[  151.483455][ T1132] 
[  151.508167][ T7215] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  151.565327][ T7216] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.576419][   T12] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.589836][ T7216] EXT4-fs (loop1): This should not happen!! Data will be lost
[  151.589836][ T7216] 
[  151.618090][ T7221] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  151.655766][ T7216] EXT4-fs (loop1): Total free blocks count 0
[  151.672049][   T12] EXT4-fs (loop3): This should not happen!! Data will be lost
[  151.672049][   T12] 
[  151.682948][ T7222] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.686587][ T7216] EXT4-fs (loop1): Free/Dirty block details
[  151.712218][ T7222] EXT4-fs (loop2): This should not happen!! Data will be lost
[  151.712218][ T7222] 
[  151.739994][ T7216] EXT4-fs (loop1): free_blocks=4096
[  151.750311][ T7216] EXT4-fs (loop1): dirty_blocks=16
[  151.754492][ T7222] EXT4-fs (loop2): Total free blocks count 0
[  151.781265][ T7216] EXT4-fs (loop1): Block reservation details
[  151.784592][ T7222] EXT4-fs (loop2): Free/Dirty block details
[  151.793861][ T7216] EXT4-fs (loop1): i_reserved_data_blocks=1
[  151.839774][ T7222] EXT4-fs (loop2): free_blocks=4096
[  151.857635][ T7222] EXT4-fs (loop2): dirty_blocks=16
[  151.863584][ T7222] EXT4-fs (loop2): Block reservation details
[  151.865440][   T11] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.880246][ T7222] EXT4-fs (loop2): i_reserved_data_blocks=1
[  151.898318][ T7229] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  151.912824][   T11] EXT4-fs (loop1): This should not happen!! Data will be lost
[  151.912824][   T11] 
[  151.945986][ T7230] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.964590][ T7230] EXT4-fs (loop0): This should not happen!! Data will be lost
[  151.964590][ T7230] 
[  151.974826][ T7230] EXT4-fs (loop0): Total free blocks count 0
[  151.979731][   T48] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  151.980831][ T7230] EXT4-fs (loop0): Free/Dirty block details
[  152.002878][ T7232] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  152.035129][ T7230] EXT4-fs (loop0): free_blocks=4096
[  152.044679][   T48] EXT4-fs (loop2): This should not happen!! Data will be lost
[  152.044679][   T48] 
[  152.054601][ T7230] EXT4-fs (loop0): dirty_blocks=16
[  152.060054][ T7230] EXT4-fs (loop0): Block reservation details
[  152.074194][ T7235] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.095236][ T7230] EXT4-fs (loop0): i_reserved_data_blocks=1
[  152.121431][ T7235] EXT4-fs (loop3): This should not happen!! Data will be lost
[  152.121431][ T7235] 
[  152.175082][ T7235] EXT4-fs (loop3): Total free blocks count 0
[  152.182233][ T7235] EXT4-fs (loop3): Free/Dirty block details
[  152.191806][ T7235] EXT4-fs (loop3): free_blocks=4096
[  152.198173][ T2926] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.220642][ T7235] EXT4-fs (loop3): dirty_blocks=16
[  152.227699][ T2926] EXT4-fs (loop0): This should not happen!! Data will be lost
[  152.227699][ T2926] 
[  152.237548][ T7235] EXT4-fs (loop3): Block reservation details
[  152.237570][ T7235] EXT4-fs (loop3): i_reserved_data_blocks=1
[  152.274611][ T7239] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  152.304201][ T2926] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.305360][ T7240] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.330506][ T7240] EXT4-fs (loop1): This should not happen!! Data will be lost
[  152.330506][ T7240] 
[  152.340395][ T7240] EXT4-fs (loop1): Total free blocks count 0
[  152.348362][ T7240] EXT4-fs (loop1): Free/Dirty block details
[  152.354777][ T7240] EXT4-fs (loop1): free_blocks=4096
[  152.360330][ T7240] EXT4-fs (loop1): dirty_blocks=16
[  152.365629][ T7240] EXT4-fs (loop1): Block reservation details
[  152.382149][ T7240] EXT4-fs (loop1): i_reserved_data_blocks=1
[  152.385040][ T2926] EXT4-fs (loop3): This should not happen!! Data will be lost
[  152.385040][ T2926] 
[  152.427774][ T1092] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.462501][ T7245] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  152.478862][ T1092] EXT4-fs (loop1): This should not happen!! Data will be lost
[  152.478862][ T1092] 
[  152.536639][ T7246] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.551758][ T7246] EXT4-fs (loop2): This should not happen!! Data will be lost
[  152.551758][ T7246] 
[  152.562087][ T7246] EXT4-fs (loop2): Total free blocks count 0
[  152.568797][ T7246] EXT4-fs (loop2): Free/Dirty block details
[  152.575391][ T7246] EXT4-fs (loop2): free_blocks=4096
[  152.580651][ T7246] EXT4-fs (loop2): dirty_blocks=16
[  152.587335][ T7246] EXT4-fs (loop2): Block reservation details
[  152.593377][ T7246] EXT4-fs (loop2): i_reserved_data_blocks=1
[  152.620042][ T7247] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  152.718098][ T7254] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  152.726204][ T7250] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.744734][ T1092] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.746717][ T7250] EXT4-fs (loop0): This should not happen!! Data will be lost
[  152.746717][ T7250] 
[  152.769733][ T7250] EXT4-fs (loop0): Total free blocks count 0
[  152.775882][ T7250] EXT4-fs (loop0): Free/Dirty block details
[  152.782240][ T7250] EXT4-fs (loop0): free_blocks=4096
[  152.787606][ T7250] EXT4-fs (loop0): dirty_blocks=16
[  152.792950][ T7250] EXT4-fs (loop0): Block reservation details
[  152.799199][ T7250] EXT4-fs (loop0): i_reserved_data_blocks=1
[  152.806302][ T1092] EXT4-fs (loop2): This should not happen!! Data will be lost
[  152.806302][ T1092] 
[  152.844752][ T7255] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.857698][ T7255] EXT4-fs (loop3): This should not happen!! Data will be lost
[  152.857698][ T7255] 
[  152.867931][ T7255] EXT4-fs (loop3): Total free blocks count 0
[  152.869490][ T1092] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  152.873985][ T7255] EXT4-fs (loop3): Free/Dirty block details
[  152.893517][ T7255] EXT4-fs (loop3): free_blocks=4096
[  152.901173][ T7255] EXT4-fs (loop3): dirty_blocks=16
[  152.906640][ T7255] EXT4-fs (loop3): Block reservation details
[  152.909899][ T7256] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  152.912728][ T7255] EXT4-fs (loop3): i_reserved_data_blocks=1
[  152.980075][ T1092] EXT4-fs (loop0): This should not happen!! Data will be lost
[  152.980075][ T1092] 
[  152.992556][ T7257] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.006325][   T48] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.056782][ T7257] EXT4-fs (loop1): This should not happen!! Data will be lost
[  153.056782][ T7257] 
[  153.057639][   T48] EXT4-fs (loop3): This should not happen!! Data will be lost
[  153.057639][   T48] 
[  153.073800][ T7257] EXT4-fs (loop1): Total free blocks count 0
[  153.083286][ T7257] EXT4-fs (loop1): Free/Dirty block details
[  153.084115][ T7263] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  153.090760][ T7257] EXT4-fs (loop1): free_blocks=4096
[  153.109604][ T7257] EXT4-fs (loop1): dirty_blocks=16
[  153.114991][ T7257] EXT4-fs (loop1): Block reservation details
[  153.121011][ T7257] EXT4-fs (loop1): i_reserved_data_blocks=1
[  153.141071][ T7264] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.155809][ T7264] EXT4-fs (loop2): This should not happen!! Data will be lost
[  153.155809][ T7264] 
[  153.189534][ T7264] EXT4-fs (loop2): Total free blocks count 0
[  153.237743][   T48] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.264604][ T7264] EXT4-fs (loop2): Free/Dirty block details
[  153.270572][ T7264] EXT4-fs (loop2): free_blocks=4096
[  153.310625][ T7264] EXT4-fs (loop2): dirty_blocks=16
[  153.318007][   T48] EXT4-fs (loop1): This should not happen!! Data will be lost
[  153.318007][   T48] 
[  153.354250][ T7264] EXT4-fs (loop2): Block reservation details
[  153.361485][ T7264] EXT4-fs (loop2): i_reserved_data_blocks=1
[  153.368848][ T7268] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  153.406912][ T1132] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.457825][ T7269] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.468022][ T1132] EXT4-fs (loop2): This should not happen!! Data will be lost
[  153.468022][ T1132] 
[  153.512047][ T7270] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  153.528473][ T7269] EXT4-fs (loop0): This should not happen!! Data will be lost
[  153.528473][ T7269] 
[  153.538407][ T7269] EXT4-fs (loop0): Total free blocks count 0
[  153.544822][ T7269] EXT4-fs (loop0): Free/Dirty block details
[  153.550846][ T7269] EXT4-fs (loop0): free_blocks=4096
[  153.556382][ T7269] EXT4-fs (loop0): dirty_blocks=16
[  153.562432][ T7269] EXT4-fs (loop0): Block reservation details
[  153.568765][ T7269] EXT4-fs (loop0): i_reserved_data_blocks=1
[  153.569413][ T7271] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.595059][ T7274] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  153.662082][ T7271] EXT4-fs (loop3): This should not happen!! Data will be lost
[  153.662082][ T7271] 
[  153.672342][ T7275] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.683021][ T3475] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.704567][ T7275] EXT4-fs (loop1): This should not happen!! Data will be lost
[  153.704567][ T7275] 
[  153.730944][ T7271] EXT4-fs (loop3): Total free blocks count 0
[  153.741584][ T7275] EXT4-fs (loop1): Total free blocks count 0
[  153.750027][ T7271] EXT4-fs (loop3): Free/Dirty block details
[  153.758120][ T3475] EXT4-fs (loop0): This should not happen!! Data will be lost
[  153.758120][ T3475] 
[  153.774011][ T7275] EXT4-fs (loop1): Free/Dirty block details
[  153.781928][ T7275] EXT4-fs (loop1): free_blocks=4096
[  153.785119][ T7271] EXT4-fs (loop3): free_blocks=4096
[  153.800665][ T7275] EXT4-fs (loop1): dirty_blocks=16
[  153.806806][ T7271] EXT4-fs (loop3): dirty_blocks=16
[  153.807710][ T7275] EXT4-fs (loop1): Block reservation details
[  153.812179][ T7271] EXT4-fs (loop3): Block reservation details
[  153.869082][ T7271] EXT4-fs (loop3): i_reserved_data_blocks=1
[  153.886782][ T7275] EXT4-fs (loop1): i_reserved_data_blocks=1
[  153.955386][ T1092] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.975188][   T48] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  153.997322][ T1092] EXT4-fs (loop3): This should not happen!! Data will be lost
[  153.997322][ T1092] 
[  154.015280][   T28] kauditd_printk_skb: 42 callbacks suppressed
[  154.015298][   T28] audit: type=1800 audit(1772612919.641:540): pid=7281 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.291" name="file1" dev="loop2" ino=15 res=0 errno=0
[  154.069225][   T48] EXT4-fs (loop1): This should not happen!! Data will be lost
[  154.069225][   T48] 
[  154.079898][ T7280] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  154.080731][ T7281] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  154.145199][ T7281] EXT4-fs (loop2): This should not happen!! Data will be lost
[  154.145199][ T7281] 
[  154.196280][ T7281] EXT4-fs (loop2): Total free blocks count 0
[  154.202434][ T7281] EXT4-fs (loop2): Free/Dirty block details
[  154.222205][   T28] audit: type=1800 audit(1772612919.671:541): pid=7281 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.291" name="file1" dev="loop2" ino=15 res=0 errno=0
[  154.245070][ T7282] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  154.272322][ T7281] EXT4-fs (loop2): free_blocks=4096
[  154.296879][ T7283] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  154.318159][   T28] audit: type=1800 audit(1772612919.861:542): pid=7283 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.292" name="file1" dev="loop0" ino=15 res=0 errno=0
[  154.324025][ T7281] EXT4-fs (loop2): dirty_blocks=16
[  154.338716][   T28] audit: type=1800 audit(1772612919.861:543): pid=7283 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.292" name="file1" dev="loop0" ino=15 res=0 errno=0
[  154.379066][   T28] audit: type=1800 audit(1772612919.991:544): pid=7289 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.294" name="file1" dev="loop1" ino=15 res=0 errno=0
[  154.380741][ T7288] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  154.400280][ T7283] EXT4-fs (loop0): This should not happen!! Data will be lost
[  154.400280][ T7283] 
[  154.428719][ T7281] EXT4-fs (loop2): Block reservation details
[  154.436293][ T7283] EXT4-fs (loop0): Total free blocks count 0
[  154.442638][ T7283] EXT4-fs (loop0): Free/Dirty block details
[  154.449192][ T7281] EXT4-fs (loop2): i_reserved_data_blocks=1
[  154.455507][ T7283] EXT4-fs (loop0): free_blocks=4096
[  154.460760][ T7283] EXT4-fs (loop0): dirty_blocks=16
[  154.466621][ T7289] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  154.473816][ T7294] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  154.479769][   T28] audit: type=1800 audit(1772612919.991:545): pid=7289 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.294" name="file1" dev="loop1" ino=15 res=0 errno=0
[  154.515523][ T7283] EXT4-fs (loop0): Block reservation details
[  154.521758][ T7289] EXT4-fs (loop1): This should not happen!! Data will be lost
[  154.521758][ T7289] 
[  154.532678][ T7283] EXT4-fs (loop0): i_reserved_data_blocks=1
[  154.540947][ T7289] EXT4-fs (loop1): Total free blocks count 0
[  154.547748][   T28] audit: type=1800 audit(1772612920.101:546): pid=7295 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.293" name="file1" dev="loop3" ino=15 res=0 errno=0
[  154.557922][ T7295] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  154.570943][   T28] audit: type=1800 audit(1772612920.101:547): pid=7295 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.293" name="file1" dev="loop3" ino=15 res=0 errno=0
[  154.582268][ T1132] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  154.604752][ T7289] EXT4-fs (loop1): Free/Dirty block details
[  154.625959][ T7289] EXT4-fs (loop1): free_blocks=4096
[  154.633438][   T48] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  154.650393][   T48] EXT4-fs (loop0): This should not happen!! Data will be lost
[  154.650393][   T48] 
[  154.664331][ T7289] EXT4-fs (loop1): dirty_blocks=16
[  154.679644][ T7295] EXT4-fs (loop3): This should not happen!! Data will be lost
[  154.679644][ T7295] 
[  154.681542][ T7289] EXT4-fs (loop1): Block reservation details
[  154.694466][ T1132] EXT4-fs (loop2): This should not happen!! Data will be lost
[  154.694466][ T1132] 
[  154.734773][ T7289] EXT4-fs (loop1): i_reserved_data_blocks=1
[  154.749249][ T7295] EXT4-fs (loop3): Total free blocks count 0
[  154.778475][ T7295] EXT4-fs (loop3): Free/Dirty block details
[  154.799174][ T7295] EXT4-fs (loop3): free_blocks=4096
[  154.806905][   T12] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
2026/03/04 08:28:40 executed programs: 288
[  154.835210][ T7295] EXT4-fs (loop3): dirty_blocks=16
[  154.840578][ T7295] EXT4-fs (loop3): Block reservation details
[  154.860615][ T7302] set_capacity_and_notify: 16 callbacks suppressed
[  154.860632][ T7302] loop0: detected capacity change from 0 to 2048
[  154.875206][   T12] EXT4-fs (loop1): This should not happen!! Data will be lost
[  154.875206][   T12] 
[  154.892405][ T7295] EXT4-fs (loop3): i_reserved_data_blocks=1
[  154.934706][   T28] audit: type=1800 audit(1772612920.551:548): pid=7302 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.296" name="file1" dev="loop0" ino=15 res=0 errno=0
[  154.957184][ T7300] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  154.981298][ T7302] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  154.995405][   T28] audit: type=1800 audit(1772612920.551:549): pid=7302 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.296" name="file1" dev="loop0" ino=15 res=0 errno=0
[  155.023975][   T12] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.026683][ T7302] EXT4-fs (loop0): This should not happen!! Data will be lost
[  155.026683][ T7302] 
[  155.047450][ T7302] EXT4-fs (loop0): Total free blocks count 0
[  155.053881][ T7302] EXT4-fs (loop0): Free/Dirty block details
[  155.060821][ T7302] EXT4-fs (loop0): free_blocks=4096
[  155.066502][ T7302] EXT4-fs (loop0): dirty_blocks=16
[  155.071902][ T7302] EXT4-fs (loop0): Block reservation details
[  155.080896][ T7302] EXT4-fs (loop0): i_reserved_data_blocks=1
[  155.097269][   T12] EXT4-fs (loop3): This should not happen!! Data will be lost
[  155.097269][   T12] 
[  155.116966][ T7306] loop2: detected capacity change from 0 to 2048
[  155.128787][ T1092] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.167145][ T1092] EXT4-fs (loop0): This should not happen!! Data will be lost
[  155.167145][ T1092] 
[  155.255166][ T7303] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  155.271826][ T7314] loop3: detected capacity change from 0 to 2048
[  155.293329][ T7306] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.307252][ T7306] EXT4-fs (loop2): This should not happen!! Data will be lost
[  155.307252][ T7306] 
[  155.317446][ T7306] EXT4-fs (loop2): Total free blocks count 0
[  155.323569][ T7306] EXT4-fs (loop2): Free/Dirty block details
[  155.329834][ T7306] EXT4-fs (loop2): free_blocks=4096
[  155.333148][ T7310] loop1: detected capacity change from 0 to 2048
[  155.336554][ T7306] EXT4-fs (loop2): dirty_blocks=16
[  155.347539][ T7306] EXT4-fs (loop2): Block reservation details
[  155.354463][ T7306] EXT4-fs (loop2): i_reserved_data_blocks=1
[  155.417293][ T7316] loop0: detected capacity change from 0 to 2048
[  155.424051][ T7313] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  155.443959][ T1092] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.480156][ T7314] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.495036][ T1092] EXT4-fs (loop2): This should not happen!! Data will be lost
[  155.495036][ T1092] 
[  155.519093][ T7309] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  155.542087][ T7314] EXT4-fs (loop3): This should not happen!! Data will be lost
[  155.542087][ T7314] 
[  155.552235][ T7314] EXT4-fs (loop3): Total free blocks count 0
[  155.561446][ T7314] EXT4-fs (loop3): Free/Dirty block details
[  155.567606][ T7314] EXT4-fs (loop3): free_blocks=4096
[  155.572974][ T7314] EXT4-fs (loop3): dirty_blocks=16
[  155.578512][ T7314] EXT4-fs (loop3): Block reservation details
[  155.583487][ T7315] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, 
[  155.584708][ T7314] EXT4-fs (loop3): i_reserved_data_blocks=1
[  155.585846][ T7310] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.593276][ T7315] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  155.597437][ T7316] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.602273][ T7310] EXT4-fs (loop1): This should not happen!! Data will be lost
[  155.602273][ T7310] 
[  155.643921][ T7310] EXT4-fs (loop1): Total free blocks count 0
[  155.650278][ T7310] EXT4-fs (loop1): Free/Dirty block details
[  155.656632][ T7316] EXT4-fs (loop0): This should not happen!! Data will be lost
[  155.656632][ T7316] 
[  155.667888][ T7310] EXT4-fs (loop1): free_blocks=4096
[  155.668977][ T1092] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.673541][ T7310] EXT4-fs (loop1): dirty_blocks=16
[  155.691287][ T7316] EXT4-fs (loop0): Total free blocks count 0
[  155.698943][ T7316] EXT4-fs (loop0): Free/Dirty block details
[  155.706049][ T7316] EXT4-fs (loop0): free_blocks=4096
[  155.724771][ T1092] EXT4-fs (loop3): This should not happen!! Data will be lost
[  155.724771][ T1092] 
[  155.724925][ T7310] EXT4-fs (loop1): Block reservation details
[  155.742340][ T7316] EXT4-fs (loop0): dirty_blocks=16
[  155.749809][ T7316] EXT4-fs (loop0): Block reservation details
[  155.769657][ T7316] EXT4-fs (loop0): i_reserved_data_blocks=1
[  155.780546][ T7310] EXT4-fs (loop1): i_reserved_data_blocks=1
[  155.861636][ T1132] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.881548][ T7329] loop3: detected capacity change from 0 to 2048
[  155.888624][ T1092] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  155.897958][ T7330] loop2: detected capacity change from 0 to 2048
[  155.903301][ T1132] EXT4-fs (loop0): This should not happen!! Data will be lost
[  155.903301][ T1132] 
[  155.921537][ T1092] EXT4-fs (loop1): This should not happen!! Data will be lost
[  155.921537][ T1092] 
[  155.996604][ T7327] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  156.015631][ T7330] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.071613][ T7328] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  156.080857][ T7336] loop0: detected capacity change from 0 to 2048
[  156.098329][ T7330] EXT4-fs (loop2): This should not happen!! Data will be lost
[  156.098329][ T7330] 
[  156.109037][ T7330] EXT4-fs (loop2): Total free blocks count 0
[  156.122360][ T7330] EXT4-fs (loop2): Free/Dirty block details
[  156.139475][ T7330] EXT4-fs (loop2): free_blocks=4096
[  156.149617][ T7330] EXT4-fs (loop2): dirty_blocks=16
[  156.155588][ T7330] EXT4-fs (loop2): Block reservation details
[  156.161854][ T7330] EXT4-fs (loop2): i_reserved_data_blocks=1
[  156.176664][ T7329] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.191376][ T7335] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  156.214296][ T7341] loop1: detected capacity change from 0 to 2048
[  156.256171][ T7329] EXT4-fs (loop3): This should not happen!! Data will be lost
[  156.256171][ T7329] 
[  156.284338][ T7336] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.301372][ T7329] EXT4-fs (loop3): Total free blocks count 0
[  156.313345][   T48] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.315414][ T7329] EXT4-fs (loop3): Free/Dirty block details
[  156.345478][ T7329] EXT4-fs (loop3): free_blocks=4096
[  156.350846][ T7329] EXT4-fs (loop3): dirty_blocks=16
[  156.366954][ T7336] EXT4-fs (loop0): This should not happen!! Data will be lost
[  156.366954][ T7336] 
[  156.376370][   T48] EXT4-fs (loop2): This should not happen!! Data will be lost
[  156.376370][   T48] 
[  156.377707][ T7340] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  156.405392][ T7329] EXT4-fs (loop3): Block reservation details
[  156.411640][ T7329] EXT4-fs (loop3): i_reserved_data_blocks=1
[  156.420305][ T7336] EXT4-fs (loop0): Total free blocks count 0
[  156.428321][ T7336] EXT4-fs (loop0): Free/Dirty block details
[  156.434290][ T7336] EXT4-fs (loop0): free_blocks=4096
[  156.441083][ T7341] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.463448][   T48] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.467393][ T7336] EXT4-fs (loop0): dirty_blocks=16
[  156.478552][ T7341] EXT4-fs (loop1): This should not happen!! Data will be lost
[  156.478552][ T7341] 
[  156.492880][   T48] EXT4-fs (loop3): This should not happen!! Data will be lost
[  156.492880][   T48] 
[  156.510106][ T7341] EXT4-fs (loop1): Total free blocks count 0
[  156.538012][ T7341] EXT4-fs (loop1): Free/Dirty block details
[  156.543997][ T7341] EXT4-fs (loop1): free_blocks=4096
[  156.544789][ T7336] EXT4-fs (loop0): Block reservation details
[  156.584658][ T7336] EXT4-fs (loop0): i_reserved_data_blocks=1
[  156.604126][ T7341] EXT4-fs (loop1): dirty_blocks=16
[  156.625076][ T7341] EXT4-fs (loop1): Block reservation details
[  156.633568][ T1092] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.641151][ T7341] EXT4-fs (loop1): i_reserved_data_blocks=1
[  156.679927][ T1092] EXT4-fs (loop0): This should not happen!! Data will be lost
[  156.679927][ T1092] 
[  156.709614][   T12] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.714369][ T7347] loop2: detected capacity change from 0 to 2048
[  156.761894][   T12] EXT4-fs (loop1): This should not happen!! Data will be lost
[  156.761894][   T12] 
[  156.831238][ T7345] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  156.865760][ T7349] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  156.871573][ T7346] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, 
[  156.878331][ T7349] EXT4-fs (loop3): This should not happen!! Data will be lost
[  156.878331][ T7349] 
[  156.886975][ T7346] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  156.896593][ T7349] EXT4-fs (loop3): Total free blocks count 0
[  156.911284][ T7349] EXT4-fs (loop3): Free/Dirty block details
[  156.924587][ T7349] EXT4-fs (loop3): free_blocks=4096
[  156.930308][ T7349] EXT4-fs (loop3): dirty_blocks=16
[  156.944821][ T7349] EXT4-fs (loop3): Block reservation details
[  156.951354][ T7349] EXT4-fs (loop3): i_reserved_data_blocks=1
[  156.958340][ T7347] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.004903][ T7347] EXT4-fs (loop2): This should not happen!! Data will be lost
[  157.004903][ T7347] 
[  157.015802][ T7347] EXT4-fs (loop2): Total free blocks count 0
[  157.022019][ T7347] EXT4-fs (loop2): Free/Dirty block details
[  157.029829][ T7347] EXT4-fs (loop2): free_blocks=4096
[  157.035443][ T7347] EXT4-fs (loop2): dirty_blocks=16
[  157.041886][ T7347] EXT4-fs (loop2): Block reservation details
[  157.048572][ T7347] EXT4-fs (loop2): i_reserved_data_blocks=1
[  157.060486][   T48] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.079955][   T48] EXT4-fs (loop3): This should not happen!! Data will be lost
[  157.079955][   T48] 
[  157.081353][ T7355] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  157.114103][ T3475] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.137647][ T7356] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.155372][ T7356] EXT4-fs (loop0): This should not happen!! Data will be lost
[  157.155372][ T7356] 
[  157.165512][ T3475] EXT4-fs (loop2): This should not happen!! Data will be lost
[  157.165512][ T3475] 
[  157.179075][ T7356] EXT4-fs (loop0): Total free blocks count 0
[  157.247395][ T7356] EXT4-fs (loop0): Free/Dirty block details
[  157.253559][ T7356] EXT4-fs (loop0): free_blocks=4096
[  157.278524][ T7356] EXT4-fs (loop0): dirty_blocks=16
[  157.284485][ T7356] EXT4-fs (loop0): Block reservation details
[  157.290533][ T7356] EXT4-fs (loop0): i_reserved_data_blocks=1
[  157.307262][ T7360] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  157.368096][ T7365] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  157.383179][ T7362] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.397271][   T12] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.399234][ T7366] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.424099][ T7366] EXT4-fs (loop2): This should not happen!! Data will be lost
[  157.424099][ T7366] 
[  157.437151][ T7366] EXT4-fs (loop2): Total free blocks count 0
[  157.443853][ T7366] EXT4-fs (loop2): Free/Dirty block details
[  157.451576][ T7366] EXT4-fs (loop2): free_blocks=4096
[  157.457564][ T7366] EXT4-fs (loop2): dirty_blocks=16
[  157.457653][ T7362] EXT4-fs (loop1): This should not happen!! Data will be lost
[  157.457653][ T7362] 
[  157.462865][ T7366] EXT4-fs (loop2): Block reservation details
[  157.472677][   T12] EXT4-fs (loop0): This should not happen!! Data will be lost
[  157.472677][   T12] 
[  157.479638][ T7366] EXT4-fs (loop2): i_reserved_data_blocks=1
[  157.511638][ T7367] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  157.530905][ T7362] EXT4-fs (loop1): Total free blocks count 0
[  157.550155][ T7362] EXT4-fs (loop1): Free/Dirty block details
[  157.558154][ T7362] EXT4-fs (loop1): free_blocks=4096
[  157.560467][   T48] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.563392][ T7362] EXT4-fs (loop1): dirty_blocks=16
[  157.596328][ T7368] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.637578][ T7362] EXT4-fs (loop1): Block reservation details
[  157.643648][ T7362] EXT4-fs (loop1): i_reserved_data_blocks=1
[  157.650711][   T48] EXT4-fs (loop2): This should not happen!! Data will be lost
[  157.650711][   T48] 
[  157.659105][ T7368] EXT4-fs (loop3): This should not happen!! Data will be lost
[  157.659105][ T7368] 
[  157.700462][ T3475] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.733458][ T3475] EXT4-fs (loop1): This should not happen!! Data will be lost
[  157.733458][ T3475] 
[  157.739399][ T7368] EXT4-fs (loop3): Total free blocks count 0
[  157.770146][ T7368] EXT4-fs (loop3): Free/Dirty block details
[  157.785062][ T7368] EXT4-fs (loop3): free_blocks=4096
[  157.796718][ T7368] EXT4-fs (loop3): dirty_blocks=16
[  157.807428][ T7368] EXT4-fs (loop3): Block reservation details
[  157.834675][ T7368] EXT4-fs (loop3): i_reserved_data_blocks=1
[  157.883525][   T12] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  157.901204][   T12] EXT4-fs (loop3): This should not happen!! Data will be lost
[  157.901204][   T12] 
[  157.914586][ T7376] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  158.002086][ T7377] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.006619][ T7379] EXT4-fs mount: 235 callbacks suppressed
[  158.006639][ T7379] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  158.015744][ T7377] EXT4-fs (loop0): This should not happen!! Data will be lost
[  158.015744][ T7377] 
[  158.043298][ T7377] EXT4-fs (loop0): Total free blocks count 0
[  158.049463][ T7377] EXT4-fs (loop0): Free/Dirty block details
[  158.056005][ T7377] EXT4-fs (loop0): free_blocks=4096
[  158.061376][ T7377] EXT4-fs (loop0): dirty_blocks=16
[  158.067918][ T7384] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  158.071919][ T7378] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  158.097761][ T7377] EXT4-fs (loop0): Block reservation details
[  158.103996][ T7377] EXT4-fs (loop0): i_reserved_data_blocks=1
[  158.111353][ T7383] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  158.113548][ T7379] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.155670][ T7384] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.173159][ T7379] EXT4-fs (loop2): This should not happen!! Data will be lost
[  158.173159][ T7379] 
[  158.186899][ T7379] EXT4-fs (loop2): Total free blocks count 0
[  158.193695][ T7384] EXT4-fs (loop1): This should not happen!! Data will be lost
[  158.193695][ T7384] 
[  158.195768][ T5884] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  158.213166][ T7384] EXT4-fs (loop1): Total free blocks count 0
[  158.214279][ T7379] EXT4-fs (loop2): Free/Dirty block details
[  158.229684][ T7379] EXT4-fs (loop2): free_blocks=4096
[  158.235620][ T7379] EXT4-fs (loop2): dirty_blocks=16
[  158.241338][ T7384] EXT4-fs (loop1): Free/Dirty block details
[  158.241454][ T7379] EXT4-fs (loop2): Block reservation details
[  158.255099][ T7379] EXT4-fs (loop2): i_reserved_data_blocks=1
[  158.261401][ T7384] EXT4-fs (loop1): free_blocks=4096
[  158.281439][ T7384] EXT4-fs (loop1): dirty_blocks=16
[  158.289348][ T7384] EXT4-fs (loop1): Block reservation details
[  158.304292][ T1092] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.343354][ T7384] EXT4-fs (loop1): i_reserved_data_blocks=1
[  158.407275][   T12] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.485912][ T7391] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  158.510120][ T7394] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  158.529860][ T7390] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  158.530199][ T7393] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  158.545851][ T7391] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.571664][ T7391] EXT4-fs (loop3): This should not happen!! Data will be lost
[  158.571664][ T7391] 
[  158.583474][ T7391] EXT4-fs (loop3): Total free blocks count 0
[  158.590191][ T7391] EXT4-fs (loop3): Free/Dirty block details
[  158.599178][ T7391] EXT4-fs (loop3): free_blocks=4096
[  158.606271][ T7391] EXT4-fs (loop3): dirty_blocks=16
[  158.611638][ T7391] EXT4-fs (loop3): Block reservation details
[  158.621874][ T7391] EXT4-fs (loop3): i_reserved_data_blocks=1
[  158.631611][ T7401] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  158.649790][ T7394] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.692014][ T7394] EXT4-fs (loop0): This should not happen!! Data will be lost
[  158.692014][ T7394] 
[  158.702561][ T7394] EXT4-fs (loop0): Total free blocks count 0
[  158.705186][   T12] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.709374][ T7394] EXT4-fs (loop0): Free/Dirty block details
[  158.725913][ T7400] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  158.726945][ T7394] EXT4-fs (loop0): free_blocks=4096
[  158.749445][ T7394] EXT4-fs (loop0): dirty_blocks=16
[  158.754780][ T7394] EXT4-fs (loop0): Block reservation details
[  158.760803][ T7394] EXT4-fs (loop0): i_reserved_data_blocks=1
[  158.768204][ T7401] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.822456][   T12] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  158.841178][ T7401] EXT4-fs (loop2): This should not happen!! Data will be lost
[  158.841178][ T7401] 
[  158.860903][ T7401] EXT4-fs (loop2): Total free blocks count 0
[  158.871356][ T7401] EXT4-fs (loop2): Free/Dirty block details
[  158.880236][ T7401] EXT4-fs (loop2): free_blocks=4096
[  158.904834][ T7401] EXT4-fs (loop2): dirty_blocks=16
[  158.910207][ T7401] EXT4-fs (loop2): Block reservation details
[  158.920355][ T7401] EXT4-fs (loop2): i_reserved_data_blocks=1
[  158.958724][ T7405] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  159.066399][   T28] kauditd_printk_skb: 40 callbacks suppressed
[  159.066414][   T28] audit: type=1800 audit(1772612924.691:590): pid=7405 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.316" name="file1" dev="loop1" ino=15 res=0 errno=0
[  159.106759][ T7404] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  159.130965][ T3475] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.145454][ T7405] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.175005][   T28] audit: type=1800 audit(1772612924.721:591): pid=7405 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.316" name="file1" dev="loop1" ino=15 res=0 errno=0
[  159.203390][ T7405] EXT4-fs (loop1): This should not happen!! Data will be lost
[  159.203390][ T7405] 
[  159.206319][ T7411] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  159.213520][ T7405] EXT4-fs (loop1): Total free blocks count 0
[  159.232181][ T7405] EXT4-fs (loop1): Free/Dirty block details
[  159.239002][ T7405] EXT4-fs (loop1): free_blocks=4096
[  159.244698][ T7405] EXT4-fs (loop1): dirty_blocks=16
[  159.249961][ T7405] EXT4-fs (loop1): Block reservation details
[  159.256124][ T7405] EXT4-fs (loop1): i_reserved_data_blocks=1
[  159.293577][   T28] audit: type=1800 audit(1772612924.911:592): pid=7411 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.317" name="file1" dev="loop3" ino=15 res=0 errno=0
[  159.295771][ T7410] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  159.333042][ T7411] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.352315][ T1132] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.364552][ T7411] EXT4-fs (loop3): This should not happen!! Data will be lost
[  159.364552][ T7411] 
[  159.377317][ T7414] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  159.403686][   T28] audit: type=1800 audit(1772612924.911:593): pid=7411 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.317" name="file1" dev="loop3" ino=15 res=0 errno=0
[  159.425256][ T7411] EXT4-fs (loop3): Total free blocks count 0
[  159.431293][ T7411] EXT4-fs (loop3): Free/Dirty block details
[  159.438158][ T7411] EXT4-fs (loop3): free_blocks=4096
[  159.443609][ T7411] EXT4-fs (loop3): dirty_blocks=16
[  159.449160][ T7411] EXT4-fs (loop3): Block reservation details
[  159.469118][ T7413] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  159.488643][   T28] audit: type=1800 audit(1772612925.091:594): pid=7414 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.318" name="file1" dev="loop0" ino=15 res=0 errno=0
[  159.510920][ T7411] EXT4-fs (loop3): i_reserved_data_blocks=1
[  159.521093][   T28] audit: type=1800 audit(1772612925.091:595): pid=7414 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.318" name="file1" dev="loop0" ino=15 res=0 errno=0
[  159.547415][ T7420] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  159.576896][ T7414] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.594369][   T28] audit: type=1800 audit(1772612925.221:596): pid=7420 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.319" name="file1" dev="loop2" ino=15 res=0 errno=0
[  159.594791][ T7414] EXT4-fs (loop0): This should not happen!! Data will be lost
[  159.594791][ T7414] 
[  159.594970][ T7419] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  159.643347][ T7414] EXT4-fs (loop0): Total free blocks count 0
[  159.648134][ T7424] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  159.649728][ T7414] EXT4-fs (loop0): Free/Dirty block details
[  159.668848][ T7414] EXT4-fs (loop0): free_blocks=4096
[  159.669602][ T7420] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.674174][ T7414] EXT4-fs (loop0): dirty_blocks=16
[  159.674191][ T7414] EXT4-fs (loop0): Block reservation details
[  159.674203][ T7414] EXT4-fs (loop0): i_reserved_data_blocks=1
[  159.675353][   T28] audit: type=1800 audit(1772612925.221:597): pid=7420 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.319" name="file1" dev="loop2" ino=15 res=0 errno=0
[  159.727081][ T7420] EXT4-fs (loop2): This should not happen!! Data will be lost
[  159.727081][ T7420] 
[  159.729521][ T3475] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.737164][ T7420] EXT4-fs (loop2): Total free blocks count 0
[  159.737184][ T7420] EXT4-fs (loop2): Free/Dirty block details
[  159.737199][ T7420] EXT4-fs (loop2): free_blocks=4096
[  159.737216][ T7420] EXT4-fs (loop2): dirty_blocks=16
[  159.737231][ T7420] EXT4-fs (loop2): Block reservation details
[  159.737244][ T7420] EXT4-fs (loop2): i_reserved_data_blocks=1
[  159.806093][ T5884] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
2026/03/04 08:28:45 executed programs: 313
[  159.807957][ T7423] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  159.830659][ T1132] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.835541][ T7424] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  159.847924][   T28] audit: type=1800 audit(1772612925.421:598): pid=7424 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.320" name="file1" dev="loop1" ino=15 res=0 errno=0
[  159.964678][ T7424] EXT4-fs (loop1): This should not happen!! Data will be lost
[  159.964678][ T7424] 
[  159.979473][ T7433] set_capacity_and_notify: 16 callbacks suppressed
[  159.979491][ T7433] loop3: detected capacity change from 0 to 2048
[  159.998633][   T28] audit: type=1800 audit(1772612925.431:599): pid=7424 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.320" name="file1" dev="loop1" ino=15 res=0 errno=0
[  160.017117][ T7424] EXT4-fs (loop1): Total free blocks count 0
[  160.029459][ T7432] loop0: detected capacity change from 0 to 2048
[  160.057367][ T7433] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  160.071412][ T7424] EXT4-fs (loop1): Free/Dirty block details
[  160.083449][ T7424] EXT4-fs (loop1): free_blocks=4096
[  160.089522][ T7424] EXT4-fs (loop1): dirty_blocks=16
[  160.095906][ T7424] EXT4-fs (loop1): Block reservation details
[  160.102007][ T7424] EXT4-fs (loop1): i_reserved_data_blocks=1
[  160.111834][ T7432] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  160.115476][ T7431] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  160.176712][ T7435] loop2: detected capacity change from 0 to 2048
[  160.179755][ T7430] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  160.185343][ T7433] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.214635][ T7433] EXT4-fs (loop3): This should not happen!! Data will be lost
[  160.214635][ T7433] 
[  160.225726][ T7433] EXT4-fs (loop3): Total free blocks count 0
[  160.231764][ T7433] EXT4-fs (loop3): Free/Dirty block details
[  160.238293][ T7433] EXT4-fs (loop3): free_blocks=4096
[  160.243980][ T7433] EXT4-fs (loop3): dirty_blocks=16
[  160.250497][ T7433] EXT4-fs (loop3): Block reservation details
[  160.258432][ T7433] EXT4-fs (loop3): i_reserved_data_blocks=1
[  160.266225][ T7432] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.271204][ T7435] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  160.280646][ T7432] EXT4-fs (loop0): This should not happen!! Data will be lost
[  160.280646][ T7432] 
[  160.301220][ T7432] EXT4-fs (loop0): Total free blocks count 0
[  160.304630][   T12] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.307554][ T7432] EXT4-fs (loop0): Free/Dirty block details
[  160.327021][ T7432] EXT4-fs (loop0): free_blocks=4096
[  160.332345][ T7432] EXT4-fs (loop0): dirty_blocks=16
[  160.337654][ T7432] EXT4-fs (loop0): Block reservation details
[  160.343724][ T7432] EXT4-fs (loop0): i_reserved_data_blocks=1
[  160.380263][ T1132] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.428817][ T7434] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  160.470292][ T1092] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.491522][ T7435] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.565517][ T7435] EXT4-fs (loop2): This should not happen!! Data will be lost
[  160.565517][ T7435] 
[  160.595242][ T7435] EXT4-fs (loop2): Total free blocks count 0
[  160.601310][ T7435] EXT4-fs (loop2): Free/Dirty block details
[  160.640693][ T7444] loop3: detected capacity change from 0 to 2048
[  160.651834][ T7435] EXT4-fs (loop2): free_blocks=4096
[  160.663584][ T7435] EXT4-fs (loop2): dirty_blocks=16
[  160.679568][ T7435] EXT4-fs (loop2): Block reservation details
[  160.688576][ T7446] loop1: detected capacity change from 0 to 2048
[  160.695544][ T7435] EXT4-fs (loop2): i_reserved_data_blocks=1
[  160.733772][ T7444] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  160.761051][ T7446] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  160.770807][ T7452] loop0: detected capacity change from 0 to 2048
[  160.776201][   T34] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.798997][ T7443] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  160.815162][ T7444] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.828762][ T7444] EXT4-fs (loop3): This should not happen!! Data will be lost
[  160.828762][ T7444] 
[  160.846942][ T7444] EXT4-fs (loop3): Total free blocks count 0
[  160.853010][ T7444] EXT4-fs (loop3): Free/Dirty block details
[  160.859439][ T7444] EXT4-fs (loop3): free_blocks=4096
[  160.864925][ T7444] EXT4-fs (loop3): dirty_blocks=16
[  160.870327][ T7444] EXT4-fs (loop3): Block reservation details
[  160.879380][ T7444] EXT4-fs (loop3): i_reserved_data_blocks=1
[  160.889565][ T7452] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  160.903548][ T3475] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.916812][ T7447] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  160.932830][ T7445] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  160.933846][ T7446] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  160.933877][ T7446] EXT4-fs (loop1): This should not happen!! Data will be lost
[  160.933877][ T7446] 
[  160.933894][ T7446] EXT4-fs (loop1): Total free blocks count 0
[  160.933909][ T7446] EXT4-fs (loop1): Free/Dirty block details
[  160.933924][ T7446] EXT4-fs (loop1): free_blocks=4096
[  160.933940][ T7446] EXT4-fs (loop1): dirty_blocks=16
[  160.933953][ T7446] EXT4-fs (loop1): Block reservation details
[  160.933966][ T7446] EXT4-fs (loop1): i_reserved_data_blocks=1
[  161.011895][   T12] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  161.043300][ T7452] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  161.084540][ T7452] EXT4-fs (loop0): This should not happen!! Data will be lost
[  161.084540][ T7452] 
[  161.095797][ T7452] EXT4-fs (loop0): Total free blocks count 0
[  161.101937][ T7452] EXT4-fs (loop0): Free/Dirty block details
[  161.108251][ T7452] EXT4-fs (loop0): free_blocks=4096
[  161.113591][ T7452] EXT4-fs (loop0): dirty_blocks=16
[  161.120175][ T7452] EXT4-fs (loop0): Block reservation details
[  161.134219][ T7452] EXT4-fs (loop0): i_reserved_data_blocks=1
[  161.215543][ T3475] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  161.249971][ T7460] loop3: detected capacity change from 0 to 2048
[  161.323243][ T7461] loop2: detected capacity change from 0 to 2048
[  161.332456][ T7460] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  161.344212][ T7462] loop1: detected capacity change from 0 to 2048
[  161.364060][ T7457] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  161.395632][ T7461] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  161.425577][ T7462] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[  161.440153][ T7460] ------------[ cut here ]------------
[  161.447651][ T7460] WARNING: CPU: 1 PID: 7460 at fs/ext4/inode.c:3388 ext4_iomap_begin+0x9cd/0xb10
[  161.457268][ T7460] Modules linked in:
[  161.461304][ T7460] CPU: 1 PID: 7460 Comm: syz.3.328 Not tainted syzkaller #0
[  161.469358][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  161.481378][ T7460] RIP: 0010:ext4_iomap_begin+0x9cd/0xb10
[  161.488537][ T7460] Code: 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6a 74 53 ff 4c 8b 64 24 28 48 8d 9c 24 d0 00 00 00 e9 6b ff ff ff e8 53 74 53 ff <0f> 0b 41 be de ff ff ff e9 4e f7 ff ff 89 d9 80 e1 07 38 c1 0f 8c
[  161.501833][ T7458] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1231: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  161.508970][ T7460] RSP: 0018:ffffc900033c7620 EFLAGS: 00010293
[  161.530455][ T7460] RAX: ffffffff8233a0bd RBX: ffff888073a8f18a RCX: ffff88802b6f5a00
[  161.538726][ T7460] RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000
[  161.547783][ T7460] RBP: ffffc900033c7790 R08: ffff888073a8ee57 R09: 1ffff1100e751dca
[  161.548920][ T7459] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1231: group 0, 
[  161.556239][ T7460] R10: dffffc0000000000 R11: ffffed100e751dcb R12: 00000000000000d4
[  161.556260][ T7460] R13: 1ffff1100e751e31 R14: 000000000000000b R15: 0000000000000000
[  161.556275][ T7460] FS:  00007fef512656c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  161.556293][ T7460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.556322][ T7460] CR2: 00007fa4a4242000 CR3: 000000002bd85000 CR4: 00000000003506e0
[  161.556343][ T7460] Call Trace:
[  161.556353][ T7460]  <TASK>
[  161.556380][ T7460]  ? ext4_alloc_da_blocks+0x240/0x240
[  161.565099][ T7459] block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters
[  161.572956][ T7460]  ? ext4_alloc_da_blocks+0x240/0x240
[  161.597233][ T7470] loop0: detected capacity change from 0 to 2048
[  161.637891][ T7460]  iomap_iter+0x6b1/0xec0
[  161.642286][ T7460]  ? blk_start_plug+0x6e/0x1a0
[  161.648099][ T7460]  __iomap_dio_rw+0xc3d/0x1cc0
[  161.652953][ T7460]  ? iomap_dio_bio_end_io+0x630/0x630
[  161.658651][ T7460]  ? __might_sleep+0xe0/0xe0
[  161.663573][ T7460]  ? file_update_time+0x1a0/0x1a0
[  161.668715][ T7460]  ? ext4_fc_replay_link_internal+0x290/0x290
[  161.674895][ T7460]  iomap_dio_rw+0x45/0xa0
[  161.678530][ T7462] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  161.679261][ T7460]  ext4_file_write_iter+0x13fb/0x1880
[  161.691887][ T7462] EXT4-fs (loop1): This should not happen!! Data will be lost
[  161.691887][ T7462] 
[  161.697086][ T7460]  ? ext4_file_read_iter+0x670/0x670
[  161.697128][ T7460]  vfs_write+0x46c/0x990
[  161.716886][ T7460]  ? file_end_write+0x250/0x250
[  161.721996][ T7460]  ? __fget_files+0x43d/0x4b0
[  161.726843][ T7460]  ? __fdget+0x180/0x210
[  161.726906][ T7462] EXT4-fs (loop1): Total free blocks count 0
[  161.731208][ T7460]  ? __x64_sys_pwrite64+0xf6/0x230
[  161.731244][ T7460]  __x64_sys_pwrite64+0x19b/0x230
[  161.748414][ T7460]  ? ksys_pwrite64+0x1c0/0x1c0
[  161.754312][ T7460]  ? lockdep_hardirqs_on+0x98/0x150
[  161.760028][ T7460]  do_syscall_64+0x55/0xa0
[  161.764613][ T7460]  ? clear_bhb_loop+0x40/0x90
[  161.769635][ T7460]  ? clear_bhb_loop+0x40/0x90
[  161.773293][ T7462] EXT4-fs (loop1): Free/Dirty block details
[  161.774497][ T7460]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  161.774526][ T7460] RIP: 0033:0x7fef5039c799
[  161.774546][ T7460] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  161.774564][ T7460] RSP: 002b:00007fef51265028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
[  161.774589][ T7460] RAX: ffffffffffffffda RBX: 00007fef50615fa0 RCX: 00007fef5039c799
[  161.809565][ T7462] EXT4-fs (loop1): free_blocks=4096
[  161.813993][ T7460] RDX: 0000000000000001 RSI: 0000200000000880 RDI: 0000000000000004
[  161.844040][ T7460] RBP: 00007fef50432bd9 R08: 0000000000000000 R09: 0000000000000000
[  161.853030][ T7460] R10: 0000000000000083 R11: 0000000000000246 R12: 0000000000000000
[  161.861298][ T7460] R13: 00007fef50616038 R14: 00007fef50615fa0 R15: 00007ffd73bcf198
[  161.869627][ T7460]  </TASK>
[  161.872708][ T7460] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  161.880113][ T7460] CPU: 1 PID: 7460 Comm: syz.3.328 Not tainted syzkaller #0
[  161.885909][ T7462] EXT4-fs (loop1): dirty_blocks=16
[  161.885927][ T7462] EXT4-fs (loop1): Block reservation details
[  161.885937][ T7462] EXT4-fs (loop1): i_reserved_data_blocks=1
[  161.904821][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  161.915011][ T7460] Call Trace:
[  161.918333][ T7460]  <TASK>
[  161.921298][ T7460]  dump_stack_lvl+0x18c/0x250
[  161.925563][ T7461] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28
[  161.925591][ T7461] EXT4-fs (loop2): This should not happen!! Data will be lost
[  161.925591][ T7461] 
[  161.925603][ T7461] EXT4-fs (loop2): Total free blocks count 0
[  161.925614][ T7461] EXT4-fs (loop2): Free/Dirty block details
[  161.925625][ T7461] EXT4-fs (loop2): free_blocks=4096
[  161.925637][ T7461] EXT4-fs (loop2): dirty_blocks=16
[  161.925647][ T7461] EXT4-fs (loop2): Block reservation details
[  161.925657][ T7461] EXT4-fs (loop2): i_reserved_data_blocks=1
[  161.982898][ T7460]  ? show_regs_print_info+0x20/0x20
[  161.988212][ T7460]  ? load_image+0x400/0x400
[  161.992747][ T7460]  panic+0x2dc/0x730
[  161.996663][ T7460]  ? bpf_jit_dump+0xd0/0xd0
[  162.001190][ T7460]  __warn+0x2e0/0x470
[  162.005192][ T7460]  ? ext4_iomap_begin+0x9cd/0xb10
[  162.010363][ T7460]  ? ext4_iomap_begin+0x9cd/0xb10
[  162.015516][ T7460]  report_bug+0x2be/0x4f0
[  162.020002][ T7460]  ? ext4_iomap_begin+0x9cd/0xb10
[  162.025253][ T7460]  ? ext4_iomap_begin+0x9cd/0xb10
[  162.030315][ T7460]  ? ext4_iomap_begin+0x9cf/0xb10
[  162.035372][ T7460]  handle_bug+0xcf/0x120
[  162.039747][ T7460]  exc_invalid_op+0x1a/0x50
[  162.044813][ T7460]  asm_exc_invalid_op+0x1a/0x20
[  162.049856][ T7460] RIP: 0010:ext4_iomap_begin+0x9cd/0xb10
[  162.055508][ T7460] Code: 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6a 74 53 ff 4c 8b 64 24 28 48 8d 9c 24 d0 00 00 00 e9 6b ff ff ff e8 53 74 53 ff <0f> 0b 41 be de ff ff ff e9 4e f7 ff ff 89 d9 80 e1 07 38 c1 0f 8c
[  162.075322][ T7460] RSP: 0018:ffffc900033c7620 EFLAGS: 00010293
[  162.081769][ T7460] RAX: ffffffff8233a0bd RBX: ffff888073a8f18a RCX: ffff88802b6f5a00
[  162.089839][ T7460] RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000
[  162.097844][ T7460] RBP: ffffc900033c7790 R08: ffff888073a8ee57 R09: 1ffff1100e751dca
[  162.105935][ T7460] R10: dffffc0000000000 R11: ffffed100e751dcb R12: 00000000000000d4
[  162.114390][ T7460] R13: 1ffff1100e751e31 R14: 000000000000000b R15: 0000000000000000
[  162.122754][ T7460]  ? ext4_iomap_begin+0x9cd/0xb10
[  162.127842][ T7460]  ? ext4_alloc_da_blocks+0x240/0x240
[  162.133599][ T7460]  ? ext4_alloc_da_blocks+0x240/0x240
[  162.138992][ T7460]  iomap_iter+0x6b1/0xec0
[  162.143495][ T7460]  ? blk_start_plug+0x6e/0x1a0
[  162.148317][ T7460]  __iomap_dio_rw+0xc3d/0x1cc0
[  162.153121][ T7460]  ? iomap_dio_bio_end_io+0x630/0x630
[  162.158689][ T7460]  ? __might_sleep+0xe0/0xe0
[  162.163301][ T7460]  ? file_update_time+0x1a0/0x1a0
[  162.168511][ T7460]  ? ext4_fc_replay_link_internal+0x290/0x290
[  162.174591][ T7460]  iomap_dio_rw+0x45/0xa0
[  162.178939][ T7460]  ext4_file_write_iter+0x13fb/0x1880
[  162.184513][ T7460]  ? ext4_file_read_iter+0x670/0x670
[  162.190041][ T7460]  vfs_write+0x46c/0x990
[  162.194397][ T7460]  ? file_end_write+0x250/0x250
[  162.199444][ T7460]  ? __fget_files+0x43d/0x4b0
[  162.204142][ T7460]  ? __fdget+0x180/0x210
[  162.208499][ T7460]  ? __x64_sys_pwrite64+0xf6/0x230
[  162.214272][ T7460]  __x64_sys_pwrite64+0x19b/0x230
[  162.219358][ T7460]  ? ksys_pwrite64+0x1c0/0x1c0
[  162.224335][ T7460]  ? lockdep_hardirqs_on+0x98/0x150
[  162.229554][ T7460]  do_syscall_64+0x55/0xa0
[  162.234001][ T7460]  ? clear_bhb_loop+0x40/0x90
[  162.239042][ T7460]  ? clear_bhb_loop+0x40/0x90
[  162.243923][ T7460]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  162.250122][ T7460] RIP: 0033:0x7fef5039c799
[  162.254643][ T7460] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  162.274381][ T7460] RSP: 002b:00007fef51265028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
[  162.283000][ T7460] RAX: ffffffffffffffda RBX: 00007fef50615fa0 RCX: 00007fef5039c799
[  162.290986][ T7460] RDX: 0000000000000001 RSI: 0000200000000880 RDI: 0000000000000004
[  162.299148][ T7460] RBP: 00007fef50432bd9 R08: 0000000000000000 R09: 0000000000000000
[  162.307128][ T7460] R10: 0000000000000083 R11: 0000000000000246 R12: 0000000000000000
[  162.315195][ T7460] R13: 00007fef50616038 R14: 00007fef50615fa0 R15: 00007ffd73bcf198
[  162.323192][ T7460]  </TASK>
[  162.326616][ T7460] Kernel Offset: disabled
[  162.330999][ T7460] Rebooting in 86400 seconds..