dirty file(s) when stopping log writer
[  349.813795][ T8786] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  349.826439][ T8785] loop6: detected capacity change from 0 to 2048
[  349.834986][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop2
[  349.867594][ T8785] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  349.879451][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  349.914235][   T31] audit: type=1800 audit(1767253617.702:229): pid=8779 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.447" name="bus" dev="loop2" ino=18 res=0 errno=0
[  349.947854][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  349.993661][ T8788] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  350.015816][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  350.032963][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop6
[  350.234793][ T8791] loop0: detected capacity change from 0 to 2048
[  350.270817][ T8791] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  350.321823][ T8793] loop3: detected capacity change from 0 to 2048
[  350.355759][ T8797] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  350.404787][ T8793] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  350.416448][ T8795] loop4: detected capacity change from 0 to 2048
[  350.464028][ T8795] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  350.499429][ T8798] loop1: detected capacity change from 0 to 2048
[  350.533511][ T8800] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  350.556014][ T8801] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  350.567360][ T8798] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  350.608435][   T31] audit: type=1800 audit(1767253618.392:230): pid=8795 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.451" name="bus" dev="loop4" ino=18 res=0 errno=0
[  350.649274][ T8803] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  350.691867][   T31] audit: type=1800 audit(1767253618.472:231): pid=8798 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.452" name="bus" dev="loop1" ino=18 res=0 errno=0
[  351.130943][ T8787] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  351.143759][ T8785] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  351.162147][ T8804] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  351.263052][ T8787] Remounting filesystem read-only
[  351.279744][ T8785] Remounting filesystem read-only
[  351.293546][ T8804] Remounting filesystem read-only
[  351.408785][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  351.519524][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  351.535491][ T8791] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  351.565485][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  351.579210][ T8802] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  351.664722][ T8805] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  351.682733][ T8791] Remounting filesystem read-only
[  351.722860][ T8802] Remounting filesystem read-only
[  351.731582][ T8805] Remounting filesystem read-only
[  351.858948][ T8817] loop2: detected capacity change from 0 to 2048
[  351.956096][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  351.966618][ T8821] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  351.968560][ T8817] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  351.997514][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  352.000471][ T8818] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  352.052480][ T8823] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  352.066038][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop2
[  352.118728][ T8824] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  352.143550][   T31] audit: type=1800 audit(1767253619.932:232): pid=8821 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.455" name="bus" dev="loop4" ino=18 res=0 errno=0
[  352.147064][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  352.205751][ T8826] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  352.317954][   T31] audit: type=1800 audit(1767253619.962:233): pid=8821 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.455" name="bus" dev="loop4" ino=18 res=0 errno=0
[  352.553824][ T8830] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  352.674304][ T8833] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  352.710629][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop3
[  352.732794][ T8837] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
2026/01/01 07:47:00 executed programs: 454
[  352.823139][ T8839] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  352.830251][ T8835] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  353.018434][ T8843] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  353.023086][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop1
[  353.485119][ T8817] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  353.538593][ T8817] Remounting filesystem read-only
[  353.570932][ T8827] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  353.615291][ T8838] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  353.709425][ T8838] Remounting filesystem read-only
[  353.709511][ T8827] Remounting filesystem read-only
[  353.782246][ T8833] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  353.802778][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  353.814550][ T8835] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  353.872983][ T8835] Remounting filesystem read-only
[  353.915436][ T8833] Remounting filesystem read-only
[  353.986156][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  354.003163][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  354.049424][ T8842] set_capacity_and_notify: 5 callbacks suppressed
[  354.049446][ T8842] loop4: detected capacity change from 0 to 4096
[  354.181300][ T8842] ntfs3(loop4): Different NTFS sector size (2048) and media sector size (512).
[  354.223326][ T8856] loop2: detected capacity change from 0 to 2048
[  354.230099][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  354.270580][ T8842] ntfs3(loop4): $Volume is corrupted.
[  354.326842][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  354.338381][ T8856] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  354.463956][ T8860] loop3: detected capacity change from 0 to 2048
[  354.485599][ T8862] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  354.494034][ T8861] loop6: detected capacity change from 0 to 2048
[  354.513499][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop2
[  354.552078][ T8860] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  354.566935][   T31] audit: type=1800 audit(1767253622.352:234): pid=8856 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.460" name="bus" dev="loop2" ino=18 res=0 errno=0
[  354.589311][ T8861] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  354.714028][ T8866] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  354.716817][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop3
[  354.752634][ T5979] udevd[5979]: incorrect nilfs2 checksum on /dev/loop6
[  354.794764][ T8867] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  354.828717][ T8865] loop1: detected capacity change from 0 to 2048
[  354.901915][   T31] audit: type=1800 audit(1767253622.672:235): pid=8861 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.462" name="bus" dev="loop6" ino=18 res=0 errno=0
[  354.982358][ T8870] loop0: detected capacity change from 0 to 2048
[  355.010009][ T8865] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  355.044686][ T8870] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  355.070824][ T8872] loop4: detected capacity change from 0 to 2048
[  355.137058][ T8873] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  355.175589][ T8874] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  355.221009][ T8872] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  355.263290][   T31] audit: type=1800 audit(1767253623.052:236): pid=8870 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.464" name="bus" dev="loop0" ino=18 res=0 errno=0
[  355.285267][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  355.342575][ T8878] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  355.472578][   T31] audit: type=1800 audit(1767253623.202:237): pid=8872 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.465" name="bus" dev="loop4" ino=18 res=0 errno=0
[  355.807734][ T8875] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  355.826066][ T8863] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  355.942806][ T8863] Remounting filesystem read-only
[  355.993232][ T8860] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  356.004232][ T8860] Remounting filesystem read-only
[  356.072785][ T8875] Remounting filesystem read-only
[  356.095710][ T8877] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  356.274273][ T8865] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  356.282929][ T8877] Remounting filesystem read-only
[  356.354696][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  356.365895][ T8865] Remounting filesystem read-only
[  356.430994][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  356.446940][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  356.601382][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  356.649028][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  356.673641][ T8883] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  356.724821][ T8883] Remounting filesystem read-only
[  356.741566][ T8891] loop2: detected capacity change from 0 to 2048
[  356.813670][ T8891] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  356.934462][ T8895] loop6: detected capacity change from 0 to 2048
[  356.952528][ T8897] loop1: detected capacity change from 0 to 2048
[  356.969286][ T8902] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  356.985923][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  356.993088][ T8901] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  356.995746][ T8895] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  357.016211][ T8897] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  357.037486][   T31] audit: type=1800 audit(1767253624.822:238): pid=8891 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.466" name="bus" dev="loop2" ino=18 res=0 errno=0
[  357.068126][ T8899] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  357.113716][ T8904] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  357.138679][ T8905] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  357.169432][ T8907] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  357.193553][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop6
[  357.273833][ T8910] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  357.348120][   T31] audit: type=1800 audit(1767253625.132:239): pid=8899 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.469" name="bus" dev="loop0" ino=18 res=0 errno=0
[  357.668249][ T8913] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  357.765779][ T8914] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  357.792043][ T5887] udevd[5887]: incorrect nilfs2 checksum on /dev/loop4
[  358.147658][ T8903] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  358.253318][ T8903] Remounting filesystem read-only
[  358.324898][ T8909] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  358.344464][ T8897] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  358.416038][ T8901] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  358.449260][ T8897] Remounting filesystem read-only
2026/01/01 07:47:06 executed programs: 467
[  358.485327][ T8909] Remounting filesystem read-only
[  358.503175][ T8901] Remounting filesystem read-only
[  358.537788][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  358.590928][ T8913] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  358.638022][ T8913] Remounting filesystem read-only
[  358.842128][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  358.861625][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  358.927201][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  358.948893][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  358.962556][ T8927] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  359.131550][ T8928] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  359.196521][   T31] audit: type=1800 audit(1767253626.982:240): pid=8927 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.472" name="bus" dev="loop2" ino=18 res=0 errno=0
[  359.301577][ T8932] set_capacity_and_notify: 4 callbacks suppressed
[  359.301602][ T8932] loop0: detected capacity change from 0 to 2048
[  359.319734][ T8933] loop6: detected capacity change from 0 to 2048
[  359.325215][ T8934] loop1: detected capacity change from 0 to 2048
[  359.375557][ T8932] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  359.377919][ T8937] loop3: detected capacity change from 0 to 2048
[  359.412561][ T8933] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  359.412600][ T8934] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  359.447748][ T8938] loop4: detected capacity change from 0 to 2048
[  359.455544][ T8939] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  359.485414][ T8938] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  359.502889][ T8937] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  359.534866][   T31] audit: type=1800 audit(1767253627.322:241): pid=8932 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.474" name="bus" dev="loop0" ino=18 res=0 errno=0
[  359.565120][ T8941] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  359.574699][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop6
[  359.586274][ T8942] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  359.636006][   T31] audit: type=1800 audit(1767253627.422:242): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.475" name="bus" dev="loop1" ino=18 res=0 errno=0
[  359.657534][ T8943] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  359.669412][ T8945] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  359.772733][   T31] audit: type=1800 audit(1767253627.482:243): pid=8937 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.476" name="bus" dev="loop3" ino=18 res=0 errno=0
[  359.899483][   T31] audit: type=1800 audit(1767253627.502:244): pid=8938 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.477" name="bus" dev="loop4" ino=18 res=0 errno=0
[  360.264376][ T8940] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  360.462784][ T8940] Remounting filesystem read-only
[  360.584735][ T8946] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  360.765534][ T8947] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  360.813731][ T8946] Remounting filesystem read-only
[  360.858558][ T8944] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  360.895191][ T8948] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  360.990438][ T8948] Remounting filesystem read-only
[  361.003560][ T8944] Remounting filesystem read-only
[  361.012840][ T8947] Remounting filesystem read-only
[  361.143375][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  361.210524][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  361.293317][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  361.372472][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  361.413264][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  361.516523][ T8963] loop2: detected capacity change from 0 to 2048
[  361.570566][ T8963] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  361.601386][ T8964] loop0: detected capacity change from 0 to 2048
[  361.671678][ T8967] loop6: detected capacity change from 0 to 2048
[  361.689635][ T8964] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  361.709591][ T8970] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  361.720947][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop2
[  361.764235][ T8967] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  361.781759][ T8971] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  361.848974][   T31] audit: type=1800 audit(1767253629.632:245): pid=8964 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.479" name="bus" dev="loop0" ino=18 res=0 errno=0
[  361.874155][ T8975] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  361.906551][ T8969] loop4: detected capacity change from 0 to 2048
[  361.940531][ T8973] loop1: detected capacity change from 0 to 2048
[  361.979314][ T8969] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  362.012890][   T31] audit: type=1800 audit(1767253629.742:246): pid=8967 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.480" name="bus" dev="loop6" ino=18 res=0 errno=0
[  362.039644][ T8973] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  362.120644][ T8977] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  362.170231][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop1
[  362.192589][ T8978] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  362.873939][ T8983] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  362.987582][ T8976] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  363.002619][ T8984] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  363.028421][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop3
[  363.063718][ T8963] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  363.073446][ T8976] Remounting filesystem read-only
[  363.143808][ T8963] Remounting filesystem read-only
[  363.225876][ T8979] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  363.247016][ T8973] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  363.267815][ T8981] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  363.325529][ T8979] Remounting filesystem read-only
[  363.359614][ T8973] Remounting filesystem read-only
[  363.366141][ T8981] Remounting filesystem read-only
[  363.408842][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
2026/01/01 07:47:11 executed programs: 480
[  363.514389][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  363.615477][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  363.683173][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  363.693126][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  363.774610][ T8996] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  363.876442][ T8998] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  364.106157][ T9003] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  364.132957][ T8999] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  364.146631][ T8985] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  364.160914][ T9004] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  364.203395][ T9006] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  364.227450][ T9009] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  364.243569][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop2
[  364.262510][ T9010] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  364.314785][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop1
[  364.325510][ T8985] Remounting filesystem read-only
[  364.344542][ T9013] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  364.371171][ T9014] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  364.783018][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  365.038418][ T9000] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  365.157242][ T9000] Remounting filesystem read-only
[  365.241563][ T9020] set_capacity_and_notify: 6 callbacks suppressed
[  365.241585][ T9020] loop3: detected capacity change from 0 to 2048
[  365.315869][ T9020] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  365.339504][ T9011] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  365.412810][ T9023] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  365.418138][ T9016] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  365.433622][ T9011] Remounting filesystem read-only
[  365.454251][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop3
[  365.454447][ T9004] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  365.474518][   T31] audit: type=1800 audit(1767253633.252:247): pid=9020 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.489" name="bus" dev="loop3" ino=18 res=0 errno=0
[  365.480419][ T8999] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  365.520957][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  365.583634][ T9016] Remounting filesystem read-only
[  365.590119][ T9004] Remounting filesystem read-only
[  365.701712][ T8999] Remounting filesystem read-only
[  365.791794][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  365.903505][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  365.965800][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  366.064459][ T9032] loop0: detected capacity change from 0 to 2048
[  366.113192][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  366.128146][ T9032] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  366.218918][ T9034] loop4: detected capacity change from 0 to 2048
[  366.242826][ T9037] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  366.263757][ T9034] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  366.347895][ T9036] loop1: detected capacity change from 0 to 2048
[  366.366734][ T9041] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  366.373613][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  366.431855][ T9036] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  366.454281][   T31] audit: type=1800 audit(1767253634.242:248): pid=9034 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.491" name="bus" dev="loop4" ino=18 res=0 errno=0
[  366.455836][ T9030] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  366.487700][ T9040] loop6: detected capacity change from 0 to 2048
[  366.537218][ T9040] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  366.586767][ T9030] Remounting filesystem read-only
[  366.622529][ T9047] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  366.633350][ T9048] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  366.677134][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop1
[  366.793542][ T9046] loop2: detected capacity change from 0 to 2048
[  366.842780][ T9046] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  366.932509][ T9053] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  367.004847][   T31] audit: type=1800 audit(1767253634.792:249): pid=9046 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.494" name="bus" dev="loop2" ino=18 res=0 errno=0
[  367.143082][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  367.292272][ T9032] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  367.424699][ T9032] Remounting filesystem read-only
[  367.554413][ T9042] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  367.569265][ T9058] loop3: detected capacity change from 0 to 2048
[  367.625977][ T9058] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  367.674854][ T9040] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  367.709672][ T9062] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  367.735994][ T9042] Remounting filesystem read-only
[  367.758480][ T9036] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  367.771584][ T9040] Remounting filesystem read-only
[  367.773140][ T9054] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  367.788104][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  367.852691][ T9036] Remounting filesystem read-only
[  367.931452][ T9054] Remounting filesystem read-only
[  367.955081][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  368.035844][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  368.247009][ T9069] loop0: detected capacity change from 0 to 2048
[  368.275978][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  368.286376][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  368.287011][ T9069] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  368.396746][ T9074] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  368.413155][ T9071] loop6: detected capacity change from 0 to 2048
[  368.445974][   T31] audit: type=1800 audit(1767253636.232:250): pid=9069 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.496" name="bus" dev="loop0" ino=18 res=0 errno=0
[  368.446566][ T9073] loop4: detected capacity change from 0 to 2048
[  368.473483][ T9071] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  368.562843][ T9073] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  368.598448][ T9076] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  368.609527][ T9077] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  368.692276][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  368.700794][ T9079] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  368.713143][ T9080] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  368.969312][ T9085] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  369.043964][ T9063] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  369.072883][ T9086] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  369.073088][ T5979] udevd[5979]: incorrect nilfs2 checksum on /dev/loop2
[  369.152469][   T31] audit: type=1800 audit(1767253636.912:251): pid=9085 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.500" name="bus" dev="loop2" ino=18 res=0 errno=0
[  369.160267][ T9063] Remounting filesystem read-only
[  369.675455][ T9081] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  369.692941][ T9082] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  369.735018][ T9082] Remounting filesystem read-only
[  369.795567][ T9073] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
2026/01/01 07:47:17 executed programs: 496
[  369.836813][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  369.853253][ T9081] Remounting filesystem read-only
[  369.859205][ T9073] Remounting filesystem read-only
[  369.866969][ T9078] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  369.942175][ T9090] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  369.985857][ T9078] Remounting filesystem read-only
[  370.032358][ T9090] Remounting filesystem read-only
[  370.136441][ T9103] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  370.147229][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  370.169439][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  370.185403][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop3
[  370.215027][ T9104] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  370.256661][   T31] audit: type=1800 audit(1767253638.042:252): pid=9103 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.501" name="bus" dev="loop3" ino=18 res=0 errno=0
[  370.336378][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  370.374094][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  370.477608][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  370.513059][ T9106] set_capacity_and_notify: 3 callbacks suppressed
[  370.513079][ T9106] loop1: detected capacity change from 0 to 2048
[  370.612907][ T9108] loop4: detected capacity change from 0 to 2048
[  370.637329][ T9106] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  370.643620][ T9108] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  370.767425][ T9113] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  370.779954][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  370.790946][ T9111] loop2: detected capacity change from 0 to 2048
[  370.802974][ T9114] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  370.860214][ T9111] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  370.939180][   T31] audit: type=1800 audit(1767253638.722:253): pid=9108 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.503" name="bus" dev="loop4" ino=18 res=0 errno=0
[  370.993676][ T9115] loop0: detected capacity change from 0 to 2048
[  371.022510][ T9120] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  371.061483][ T9118] loop6: detected capacity change from 0 to 2048
[  371.065318][ T9115] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  371.088963][ T5979] udevd[5979]: incorrect nilfs2 checksum on /dev/loop2
[  371.117942][   T31] audit: type=1800 audit(1767253638.902:254): pid=9111 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.504" name="bus" dev="loop2" ino=18 res=0 errno=0
[  371.156368][ T9118] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  371.252959][ T9121] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  371.279380][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop0
[  371.312996][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop6
[  371.332658][ T9123] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  371.442210][   T31] audit: type=1800 audit(1767253639.222:255): pid=9118 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.506" name="bus" dev="loop6" ino=18 res=0 errno=0
[  371.505443][ T9109] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  371.614033][ T9109] Remounting filesystem read-only
[  371.704391][ T9119] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  371.780816][ T9106] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  371.835129][ T9119] Remounting filesystem read-only
[  371.894063][ T9106] Remounting filesystem read-only
[  371.983297][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  372.024613][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  372.103278][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  372.144244][ T9122] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  372.204754][ T9118] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  372.245267][ T9125] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  372.256804][ T9122] Remounting filesystem read-only
[  372.343372][ T9125] Remounting filesystem read-only
[  372.360820][ T9134] loop3: detected capacity change from 0 to 2048
[  372.369829][ T9118] Remounting filesystem read-only
[  372.379360][ T9134] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  372.419860][ T9141] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  372.457599][ T9139] loop4: detected capacity change from 0 to 2048
[  372.472131][   T31] audit: type=1800 audit(1767253640.252:256): pid=9134 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.507" name="bus" dev="loop3" ino=18 res=0 errno=0
[  372.563254][ T9139] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  372.616799][ T9143] loop1: detected capacity change from 0 to 2048
[  372.623682][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  372.633123][ T9144] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  372.645457][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  372.679505][ T9143] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  372.743120][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  372.765202][ T9147] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  372.780584][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop1
[  372.823183][   T31] audit: type=1800 audit(1767253640.612:257): pid=9143 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.509" name="bus" dev="loop1" ino=18 res=0 errno=0
[  373.182767][ T9151] loop2: detected capacity change from 0 to 2048
[  373.184599][ T9149] loop0: detected capacity change from 0 to 2048
[  373.244166][ T9151] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  373.257501][ T9149] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  373.283828][ T9154] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  373.330056][ T9146] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  373.348591][ T9155] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  373.392634][ T9156] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  373.408720][ T9158] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  373.433338][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop0
[  373.465524][ T9146] Remounting filesystem read-only
[  373.634276][ T9145] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  373.786104][ T9145] Remounting filesystem read-only
[  373.796113][ T9152] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  373.880973][ T9152] Remounting filesystem read-only
[  373.923333][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  374.013688][ T9149] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  374.077500][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  374.192964][ T9149] Remounting filesystem read-only
[  374.239891][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  374.302076][ T9154] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  374.368276][ T9169] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  374.477795][ T9154] Remounting filesystem read-only
[  374.485775][ T9173] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  374.514792][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  374.614625][ T9174] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  374.703254][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  374.727350][ T9178] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  374.734683][ T9151] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  374.814695][ T9177] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  374.827195][   T31] audit: type=1800 audit(1767253642.612:258): pid=9174 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.514" name="bus" dev="loop4" ino=18 res=0 errno=0
[  374.873863][ T9151] Remounting filesystem read-only
[  374.980035][ T9184] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
2026/01/01 07:47:22 executed programs: 513
[  375.089280][ T9183] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  375.134282][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  375.229631][ T9187] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  375.256360][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop0
[  375.259852][ T9188] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  375.292984][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop6
[  375.344632][   T31] audit: type=1800 audit(1767253643.132:259): pid=9183 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.516" name="bus" dev="loop0" ino=18 res=0 errno=0
[  375.387837][ T9189] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  375.480551][   T31] audit: type=1800 audit(1767253643.242:260): pid=9187 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.517" name="bus" dev="loop6" ino=18 res=0 errno=0
[  375.515028][ T9180] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  375.685827][ T9180] Remounting filesystem read-only
[  375.789346][ T9193] set_capacity_and_notify: 6 callbacks suppressed
[  375.789367][ T9193] loop2: detected capacity change from 0 to 2048
[  375.891095][ T9193] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  375.899972][ T9175] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  375.967389][ T9197] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  375.980010][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  375.997546][ T9175] Remounting filesystem read-only
[  376.003092][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop2
[  376.057470][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop2
[  376.096730][ T9177] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  376.126018][   T31] audit: type=1800 audit(1767253643.912:261): pid=9193 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.518" name="bus" dev="loop2" ino=18 res=0 errno=0
[  376.215458][ T9177] Remounting filesystem read-only
[  376.239912][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  376.338596][ T9203] loop4: detected capacity change from 0 to 2048
[  376.385102][ T9203] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  376.525532][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  376.573133][ T9208] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  376.595389][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  376.619704][ T9207] loop3: detected capacity change from 0 to 2048
[  376.651773][   T31] audit: type=1800 audit(1767253644.422:262): pid=9203 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.519" name="bus" dev="loop4" ino=18 res=0 errno=0
[  376.690041][ T9196] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  376.733891][ T9207] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  376.767203][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop3
[  376.796602][ T9211] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  376.848519][ T9196] Remounting filesystem read-only
[  376.878237][   T31] audit: type=1800 audit(1767253644.662:263): pid=9207 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.520" name="bus" dev="loop3" ino=18 res=0 errno=0
[  377.100038][ T9215] loop1: detected capacity change from 0 to 2048
[  377.162860][ T9215] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  377.302775][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop1
[  377.322533][ T9221] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  377.515586][ T9223] loop0: detected capacity change from 0 to 2048
[  377.541904][ T9209] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  377.555847][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  377.565237][ T9223] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  377.618439][ T9209] Remounting filesystem read-only
[  377.637692][ T9227] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  377.683829][ T9210] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  377.710580][   T31] audit: type=1800 audit(1767253645.492:264): pid=9223 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.522" name="bus" dev="loop0" ino=18 res=0 errno=0
[  377.738465][ T9217] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  377.813053][ T9210] Remounting filesystem read-only
[  378.005492][ T9217] Remounting filesystem read-only
[  378.116628][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  378.146202][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  378.166326][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  378.203495][ T9234] loop6: detected capacity change from 0 to 2048
[  378.290594][ T9234] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  378.371168][ T9224] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  378.391883][ T9241] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  378.433758][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop6
[  378.475324][   T31] audit: type=1800 audit(1767253646.262:265): pid=9234 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.523" name="bus" dev="loop6" ino=18 res=0 errno=0
[  378.500557][ T9238] loop2: detected capacity change from 0 to 2048
[  378.531269][ T9224] Remounting filesystem read-only
[  378.562519][ T9238] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  378.643735][ T9247] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  378.652303][ T9244] loop3: detected capacity change from 0 to 2048
[  378.661033][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop2
[  378.684304][ T9235] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  378.703880][   T31] audit: type=1800 audit(1767253646.492:266): pid=9238 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.524" name="bus" dev="loop2" ino=18 res=0 errno=0
[  378.739733][ T9246] loop4: detected capacity change from 0 to 2048
[  378.763356][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  378.779060][ T9244] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  378.789524][ T9235] Remounting filesystem read-only
[  378.843206][ T9246] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  378.844754][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop3
[  378.935451][ T9250] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  378.974608][ T9251] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  378.999386][   T31] audit: type=1800 audit(1767253646.782:267): pid=9244 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.526" name="bus" dev="loop3" ino=18 res=0 errno=0
[  379.202534][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  379.233037][ T9256] loop1: detected capacity change from 0 to 2048
[  379.241540][ T9256] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  379.362514][ T9257] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  379.423538][   T31] audit: type=1800 audit(1767253647.212:268): pid=9256 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.527" name="bus" dev="loop1" ino=18 res=0 errno=0
[  379.486909][ T9243] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  379.618830][ T9243] Remounting filesystem read-only
[  379.805780][ T9260] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  379.847894][ T9252] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  379.868906][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop0
[  379.882281][ T9265] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  379.923323][   T31] audit: type=1800 audit(1767253647.712:269): pid=9260 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.528" name="bus" dev="loop0" ino=18 res=0 errno=0
[  379.984017][ T9252] Remounting filesystem read-only
[  380.051235][ T9258] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  380.061261][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  380.110587][ T9246] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  380.124748][ T9258] Remounting filesystem read-only
2026/01/01 07:47:28 executed programs: 525
[  380.190193][ T9246] Remounting filesystem read-only
[  380.205494][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  380.433242][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  380.449217][ T9273] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  380.537931][ T9276] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  380.564352][ T9263] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  380.585322][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  380.663793][ T9275] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  380.675247][ T9263] Remounting filesystem read-only
[  380.772551][ T9280] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  380.783663][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop2
[  380.896513][   T31] audit: type=1800 audit(1767253648.682:270): pid=9275 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.530" name="bus" dev="loop2" ino=18 res=0 errno=0
[  380.937298][ T9269] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  380.972611][ T9282] set_capacity_and_notify: 3 callbacks suppressed
[  380.972635][ T9282] loop3: detected capacity change from 0 to 2048
[  381.017088][ T9269] Remounting filesystem read-only
[  381.044315][ T9282] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  381.064667][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  381.088958][ T9286] loop4: detected capacity change from 0 to 2048
[  381.125703][ T9287] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  381.137286][ T9286] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  381.198435][   T31] audit: type=1800 audit(1767253648.982:271): pid=9282 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.531" name="bus" dev="loop3" ino=18 res=0 errno=0
[  381.243217][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  381.283939][ T9289] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  381.344888][   T31] audit: type=1800 audit(1767253649.132:272): pid=9286 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.532" name="bus" dev="loop4" ino=18 res=0 errno=0
[  381.472325][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  381.556637][ T9291] loop1: detected capacity change from 0 to 2048
[  381.612277][ T9291] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  381.643790][ T9273] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  381.664044][ T9288] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  381.683802][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop1
[  381.727336][ T9294] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  381.728945][ T9273] Remounting filesystem read-only
[  381.779269][ T9288] Remounting filesystem read-only
[  381.953492][ T9301] loop0: detected capacity change from 0 to 2048
[  381.995873][ T9301] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  382.063925][ T9292] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  382.088852][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  382.100904][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop0
[  382.108369][ T9302] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  382.117839][ T9293] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  382.135713][ T9292] Remounting filesystem read-only
[  382.142555][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  382.196577][   T31] audit: type=1800 audit(1767253649.982:273): pid=9301 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.534" name="bus" dev="loop0" ino=18 res=0 errno=0
[  382.208497][ T9293] Remounting filesystem read-only
[  382.510377][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  382.533989][ T9308] loop6: detected capacity change from 0 to 2048
[  382.564341][ T9308] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  382.582896][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  382.594195][ T9311] loop2: detected capacity change from 0 to 2048
[  382.664022][ T9300] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  382.672756][ T9311] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  382.693360][ T9312] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  382.735377][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop2
[  382.781578][ T9317] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  382.874276][ T9300] Remounting filesystem read-only
[  383.009143][ T9318] loop4: detected capacity change from 0 to 2048
[  383.038367][ T1292] ieee802154 phy0 wpan0: encryption failed: -22
[  383.044967][ T1292] ieee802154 phy1 wpan1: encryption failed: -22
[  383.083631][ T9318] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  383.114298][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  383.167420][ T9321] loop3: detected capacity change from 0 to 2048
[  383.184735][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop4
[  383.216098][ T9322] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  383.248387][ T9321] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  383.277319][   T31] audit: type=1800 audit(1767253651.062:274): pid=9318 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.537" name="bus" dev="loop4" ino=18 res=0 errno=0
[  383.346208][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop3
[  383.369572][ T9309] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  383.412255][ T9323] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  383.453386][ T9309] Remounting filesystem read-only
[  383.711978][ T9328] loop1: detected capacity change from 0 to 2048
[  383.777215][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  383.793763][ T9328] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  383.831749][ T9308] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  383.880609][ T9329] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  383.903048][ T9319] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  383.939835][   T31] audit: type=1800 audit(1767253651.722:275): pid=9328 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.539" name="bus" dev="loop1" ino=18 res=0 errno=0
[  383.960993][ T9319] Remounting filesystem read-only
[  383.966646][ T9308] Remounting filesystem read-only
[  384.099313][ T9335] loop0: detected capacity change from 0 to 2048
[  384.194463][ T9335] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  384.223672][ T9327] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  384.306294][ T9327] Remounting filesystem read-only
[  384.312805][ T9338] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  384.355505][ T9321] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  384.403751][ T9321] Remounting filesystem read-only
[  384.442997][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  384.611558][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  384.668057][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  384.682774][ T9336] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  384.799703][ T9336] Remounting filesystem read-only
[  384.827027][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  384.995500][ T9343] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  385.072621][ T9347] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  385.132934][ T9352] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  385.138900][ T9351] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  385.173203][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  385.191229][   T31] audit: type=1800 audit(1767253652.962:276): pid=9343 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.541" name="bus" dev="loop6" ino=18 res=0 errno=0
[  385.339411][   T31] audit: type=1800 audit(1767253653.052:277): pid=9347 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.542" name="bus" dev="loop2" ino=18 res=0 errno=0
[  385.377715][ T9350] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  385.404191][ T9355] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  385.486556][ T9357] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  385.499437][ T9335] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  385.557504][   T31] audit: type=1800 audit(1767253653.342:278): pid=9350 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.543" name="bus" dev="loop4" ino=18 res=0 errno=0
[  385.594545][ T9360] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  385.776316][ T9335] Remounting filesystem read-only
[  385.792717][   T31] audit: type=1800 audit(1767253653.442:279): pid=9355 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.544" name="bus" dev="loop3" ino=18 res=0 errno=0
2026/01/01 07:47:33 executed programs: 541
[  385.927145][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  386.000920][ T9363] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  386.053693][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop1
[  386.122549][ T9365] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  386.395285][ T9361] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  386.406829][ T9356] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  386.439996][ T9368] set_capacity_and_notify: 5 callbacks suppressed
[  386.440020][ T9368] loop0: detected capacity change from 0 to 2048
[  386.523372][ T9356] Remounting filesystem read-only
[  386.540554][ T9368] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  386.626455][ T9361] Remounting filesystem read-only
[  386.647017][ T9373] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  386.661613][ T9354] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  386.662750][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop0
[  386.727980][   T31] audit: type=1800 audit(1767253654.512:280): pid=9368 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.546" name="bus" dev="loop0" ino=18 res=0 errno=0
[  386.760393][ T9354] Remounting filesystem read-only
[  386.824795][ T9364] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  386.901246][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  386.942044][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  387.006283][ T9364] Remounting filesystem read-only
[  387.054429][ T9366] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  387.203386][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  387.216730][ T9366] Remounting filesystem read-only
[  387.254861][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  387.373710][ T9384] loop6: detected capacity change from 0 to 2048
[  387.398808][ T9382] loop4: detected capacity change from 0 to 2048
[  387.408703][ T9384] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  387.504706][ T9382] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  387.509356][ T9385] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  387.515986][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop6
[  387.527457][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  387.577243][   T31] audit: type=1800 audit(1767253655.362:281): pid=9384 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.547" name="bus" dev="loop6" ino=18 res=0 errno=0
[  387.620522][ T9378] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  387.666272][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop4
[  387.711824][ T9391] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  387.755506][ T9388] loop2: detected capacity change from 0 to 2048
[  387.769210][ T9390] loop3: detected capacity change from 0 to 2048
[  387.806901][ T9378] Remounting filesystem read-only
[  387.837245][ T9390] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  387.852875][ T9388] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  388.032426][ T9399] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  388.052736][ T9400] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  388.097043][   T31] audit: type=1800 audit(1767253655.882:282): pid=9390 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.550" name="bus" dev="loop3" ino=18 res=0 errno=0
[  388.176516][ T9397] loop1: detected capacity change from 0 to 2048
[  388.244049][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  388.264808][ T9397] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  388.332285][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop1
[  388.372116][ T9402] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  388.634329][ T9395] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  388.790317][ T9408] loop0: detected capacity change from 0 to 2048
[  388.842803][ T9395] Remounting filesystem read-only
[  388.878247][ T9382] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  388.923897][ T9408] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  388.971575][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  389.012634][ T9382] Remounting filesystem read-only
[  389.019199][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop0
[  389.034819][ T9411] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  389.047112][ T9388] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  389.060173][ T9404] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  389.086264][ T9403] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  389.118129][ T9388] Remounting filesystem read-only
[  389.132831][   T31] audit: type=1800 audit(1767253656.922:283): pid=9408 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.552" name="bus" dev="loop0" ino=18 res=0 errno=0
[  389.178817][ T9404] Remounting filesystem read-only
[  389.218563][ T9403] Remounting filesystem read-only
[  389.403657][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  389.437604][ T9420] loop6: detected capacity change from 0 to 2048
[  389.455329][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  389.498655][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  389.528434][ T9420] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  389.616964][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop6
[  389.633103][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  389.672898][ T9421] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  389.849288][ T9424] loop4: detected capacity change from 0 to 2048
[  389.883856][ T9426] loop1: detected capacity change from 0 to 2048
[  389.922649][ T9424] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  389.943700][ T9426] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  389.959592][ T9428] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  389.995498][ T9414] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  390.013844][ T9431] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  390.042744][   T31] audit: type=1800 audit(1767253657.832:284): pid=9424 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.554" name="bus" dev="loop4" ino=18 res=0 errno=0
[  390.078218][ T9432] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  390.103820][ T9435] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  390.143789][ T9414] Remounting filesystem read-only
[  390.161248][   T31] audit: type=1800 audit(1767253657.942:285): pid=9426 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.556" name="bus" dev="loop1" ino=18 res=0 errno=0
[  390.181990][ T9430] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  390.293686][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop3
[  390.383161][ T9438] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  390.619342][ T9425] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  390.704098][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  390.765851][ T9425] Remounting filesystem read-only
[  391.097763][ T9445] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
2026/01/01 07:47:38 executed programs: 554
[  391.144478][ T9440] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  391.145003][ T9428] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  391.167664][ T9446] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  391.200824][   T31] audit: type=1800 audit(1767253658.982:286): pid=9445 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.558" name="bus" dev="loop0" ino=18 res=0 errno=0
[  391.223420][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  391.276959][ T9440] Remounting filesystem read-only
[  391.331604][ T9441] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  391.366607][ T9428] Remounting filesystem read-only
[  391.433496][ T9441] Remounting filesystem read-only
[  391.596880][ T9455] set_capacity_and_notify: 3 callbacks suppressed
[  391.596903][ T9455] loop6: detected capacity change from 0 to 2048
[  391.633655][ T9439] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  391.664351][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  391.717389][ T9455] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  391.728198][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  391.760215][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  391.773435][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop6
[  391.793054][ T9439] Remounting filesystem read-only
[  391.820143][ T9458] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  392.007519][ T9453] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  392.025685][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  392.114416][ T9453] Remounting filesystem read-only
[  392.176221][ T9462] loop1: detected capacity change from 0 to 2048
[  392.204331][ T9463] loop2: detected capacity change from 0 to 2048
[  392.224828][ T9462] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  392.235631][ T9463] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  392.301345][ T9467] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  392.325135][ T9465] loop4: detected capacity change from 0 to 2048
[  392.327054][ T9468] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  392.374710][   T31] audit: type=1800 audit(1767253660.162:287): pid=9463 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.560" name="bus" dev="loop2" ino=18 res=0 errno=0
[  392.425726][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  392.464153][ T9465] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  392.573163][ T9472] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  392.612012][ T9471] loop3: detected capacity change from 0 to 2048
[  392.723881][ T9471] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  392.859857][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop3
[  392.891007][ T9477] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  392.904999][ T9455] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  392.936918][ T9476] loop0: detected capacity change from 0 to 2048
[  392.953189][   T31] audit: type=1800 audit(1767253660.742:288): pid=9471 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.563" name="bus" dev="loop3" ino=18 res=0 errno=0
[  392.995392][ T9476] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  393.058062][ T9455] Remounting filesystem read-only
[  393.109476][ T9480] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  393.224297][   T31] audit: type=1800 audit(1767253661.012:289): pid=9476 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.564" name="bus" dev="loop0" ino=18 res=0 errno=0
[  393.461431][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  393.545155][ T9474] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  393.614950][ T9469] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  393.657711][ T9474] Remounting filesystem read-only
[  393.794989][ T9469] Remounting filesystem read-only
[  393.801991][ T9465] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  393.838405][ T9482] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  393.895092][ T9481] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  393.928515][ T9465] Remounting filesystem read-only
[  393.937249][ T9481] Remounting filesystem read-only
[  393.953758][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  393.986437][ T9482] Remounting filesystem read-only
[  394.024599][ T9490] loop6: detected capacity change from 0 to 2048
[  394.059243][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  394.080053][ T9490] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  394.187115][ T9494] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  394.215467][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  394.229847][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  394.276069][   T31] audit: type=1800 audit(1767253662.062:290): pid=9490 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.565" name="bus" dev="loop6" ino=18 res=0 errno=0
[  394.297785][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  394.536854][ T9496] loop2: detected capacity change from 0 to 2048
[  394.613078][ T9496] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  394.677310][ T9498] loop1: detected capacity change from 0 to 2048
[  394.698637][ T9501] loop4: detected capacity change from 0 to 2048
[  394.728720][ T9506] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  394.765867][ T9502] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  394.777160][ T9501] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  394.783917][ T9498] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  394.805750][ T9505] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  394.881397][ T9508] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  394.933894][ T9509] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  394.955030][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop1
[  394.991062][ T9512] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  394.995440][ T9511] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  395.503717][ T9504] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  395.643349][ T9504] Remounting filesystem read-only
[  395.958103][ T9496] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  395.977404][ T9501] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  396.006360][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  396.064177][ T9502] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  396.067807][ T9501] Remounting filesystem read-only
[  396.075562][ T9498] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  396.136656][ T9496] Remounting filesystem read-only
[  396.156101][ T9502] Remounting filesystem read-only
[  396.184580][ T9505] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  396.229406][ T9498] Remounting filesystem read-only
[  396.328375][ T9505] Remounting filesystem read-only
2026/01/01 07:47:44 executed programs: 567
[  396.407326][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  396.453095][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  396.470656][ T9530] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  396.494793][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  396.525722][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  396.573411][ T9531] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  396.599950][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  396.617433][   T31] audit: type=1800 audit(1767253664.402:291): pid=9530 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.571" name="bus" dev="loop6" ino=18 res=0 errno=0
[  396.839041][ T9535] set_capacity_and_notify: 3 callbacks suppressed
[  396.839062][ T9535] loop4: detected capacity change from 0 to 2048
[  396.892157][ T9537] loop3: detected capacity change from 0 to 2048
[  396.931183][ T9534] loop2: detected capacity change from 0 to 2048
[  396.942409][ T9535] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  396.965546][ T9537] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  396.970922][ T9540] loop1: detected capacity change from 0 to 2048
[  397.007227][ T9534] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  397.043422][ T9541] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  397.082603][ T9543] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  397.121620][ T9545] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  397.133122][ T9540] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  397.153503][   T31] audit: type=1800 audit(1767253664.942:292): pid=9534 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.572" name="bus" dev="loop2" ino=18 res=0 errno=0
[  397.176925][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop3
[  397.248425][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop1
[  397.267565][ T9549] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  397.292435][   T31] audit: type=1800 audit(1767253664.992:293): pid=9537 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.574" name="bus" dev="loop3" ino=18 res=0 errno=0
[  397.346868][ T9547] loop0: detected capacity change from 0 to 2048
[  397.361161][   T31] audit: type=1800 audit(1767253665.122:294): pid=9540 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.575" name="bus" dev="loop1" ino=18 res=0 errno=0
[  397.469414][ T9547] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  397.560208][ T9551] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  397.632729][ T5979] udevd[5979]: incorrect nilfs2 checksum on /dev/loop0
[  397.733148][ T9539] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  397.918311][ T9539] Remounting filesystem read-only
[  398.253639][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  398.334397][ T9535] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  398.394124][ T9535] Remounting filesystem read-only
[  398.452916][ T9550] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  398.473606][ T9553] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  398.536047][ T9550] Remounting filesystem read-only
[  398.539409][ T9552] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  398.551133][ T9553] Remounting filesystem read-only
[  398.603637][ T9548] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  398.642105][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  398.653804][ T9552] Remounting filesystem read-only
[  398.670000][ T9548] Remounting filesystem read-only
[  398.709115][ T9562] loop6: detected capacity change from 0 to 2048
[  398.764386][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  398.803930][ T9562] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  398.882172][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  398.892464][ T9568] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  398.940650][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  398.981419][   T31] audit: type=1800 audit(1767253666.762:295): pid=9562 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.577" name="bus" dev="loop6" ino=18 res=0 errno=0
[  399.105615][ T9570] loop4: detected capacity change from 0 to 2048
[  399.157771][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  399.177132][ T9570] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  399.300718][ T9578] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  399.316010][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop4
[  399.339487][ T9573] loop2: detected capacity change from 0 to 2048
[  399.404734][ T9573] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  399.406739][   T31] audit: type=1800 audit(1767253667.192:296): pid=9570 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.578" name="bus" dev="loop4" ino=18 res=0 errno=0
[  399.454326][ T9576] loop1: detected capacity change from 0 to 2048
[  399.506791][ T9577] loop0: detected capacity change from 0 to 2048
[  399.541964][ T5979] udevd[5979]: incorrect nilfs2 checksum on /dev/loop2
[  399.546860][ T9576] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  399.581601][ T9577] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  399.604653][ T9581] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  399.671885][ T9583] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  399.708480][ T9582] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  399.732094][ T9585] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  399.821787][ T9588] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  399.826600][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop3
[  400.123209][ T9571] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  400.244457][ T9571] Remounting filesystem read-only
[  400.308028][ T9579] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  400.398160][ T9577] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  400.415126][ T9579] Remounting filesystem read-only
[  400.445751][ T9577] Remounting filesystem read-only
[  400.480676][ T9573] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  400.493202][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  400.567762][ T9573] Remounting filesystem read-only
[  400.577120][ T9582] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  400.641400][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  400.660239][ T9582] Remounting filesystem read-only
[  400.702042][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  400.894193][ T9576] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  400.912800][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  400.964101][ T9602] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  400.976521][ T9603] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  400.997341][ T9576] Remounting filesystem read-only
[  401.003102][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  401.025034][ T9607] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  401.049002][ T9608] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  401.067382][ T9609] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  401.088600][   T31] audit: type=1800 audit(1767253668.872:297): pid=9607 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.585" name="bus" dev="loop4" ino=18 res=0 errno=0
[  401.125067][ T9610] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  401.164263][   T31] audit: type=1800 audit(1767253668.952:298): pid=9602 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.584" name="bus" dev="loop0" ino=18 res=0 errno=0
[  401.419958][ T9613] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
2026/01/01 07:47:49 executed programs: 583
[  401.512154][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  401.567910][ T9618] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  401.701806][ T9616] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  401.798689][ T5979] udevd[5979]: incorrect nilfs2 checksum on /dev/loop3
[  401.852557][ T9620] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  401.964506][   T31] audit: type=1800 audit(1767253669.752:299): pid=9616 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.587" name="bus" dev="loop3" ino=18 res=0 errno=0
[  402.134732][ T9622] set_capacity_and_notify: 6 callbacks suppressed
[  402.134753][ T9622] loop1: detected capacity change from 0 to 2048
[  402.205785][ T9615] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  402.253126][ T9622] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  402.350663][ T9623] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  402.385750][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop1
[  402.403006][ T9615] Remounting filesystem read-only
[  402.431301][ T9611] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  402.441239][   T31] audit: type=1800 audit(1767253670.222:300): pid=9622 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.588" name="bus" dev="loop1" ino=18 res=0 errno=0
[  402.485665][ T9611] Remounting filesystem read-only
[  402.597819][ T9617] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  402.739065][ T9617] Remounting filesystem read-only
[  402.763121][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  402.787789][ T9619] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  402.818309][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  402.863686][ T9624] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  402.930119][ T9619] Remounting filesystem read-only
[  402.958583][ T9631] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  402.972791][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  403.014318][ T9624] Remounting filesystem read-only
[  403.029912][ T9631] Remounting filesystem read-only
[  403.215305][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  403.255326][ T9639] loop4: detected capacity change from 0 to 2048
[  403.273201][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  403.290412][ T9639] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  403.360015][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  403.365746][ T9644] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  403.453663][ T9641] loop6: detected capacity change from 0 to 2048
[  403.480220][ T9643] loop0: detected capacity change from 0 to 2048
[  403.505920][ T9641] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  403.592595][ T9643] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  403.615410][ T9652] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  403.652520][ T9653] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  403.680899][ T9650] loop1: detected capacity change from 0 to 2048
[  403.686300][   T31] audit: type=1800 audit(1767253671.462:301): pid=9641 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.6.590" name="bus" dev="loop6" ino=18 res=0 errno=0
[  403.710024][ T9651] loop2: detected capacity change from 0 to 2048
[  403.728573][ T9651] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  403.756868][ T9649] loop3: detected capacity change from 0 to 2048
[  403.787004][ T9650] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  403.792437][   T31] audit: type=1800 audit(1767253671.512:302): pid=9643 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.591" name="bus" dev="loop0" ino=18 res=0 errno=0
[  403.841461][ T9655] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  403.867028][ T9649] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  403.909845][   T31] audit: type=1800 audit(1767253671.692:303): pid=9651 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.592" name="bus" dev="loop2" ino=18 res=0 errno=0
[  403.932649][ T9656] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  404.027801][ T9657] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  404.056526][   T31] audit: type=1800 audit(1767253671.822:304): pid=9650 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.594" name="bus" dev="loop1" ino=18 res=0 errno=0
[  404.365324][ T9645] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  404.477551][ T9645] Remounting filesystem read-only
[  404.952003][ T9654] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  404.983321][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  405.017785][ T9658] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  405.098131][ T9661] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  405.163937][ T9654] Remounting filesystem read-only
[  405.182637][ T9658] Remounting filesystem read-only
[  405.289210][ T9661] Remounting filesystem read-only
[  405.337885][ T9672] loop4: detected capacity change from 0 to 2048
[  405.347168][ T9664] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  405.384773][ T9672] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  405.427169][ T9664] Remounting filesystem read-only
[  405.431378][ T9659] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  405.465691][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  405.494157][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  405.500888][ T9659] Remounting filesystem read-only
[  405.509367][ T9674] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  405.559056][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  405.568538][   T31] audit: type=1800 audit(1767253673.352:305): pid=9672 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.595" name="bus" dev="loop4" ino=18 res=0 errno=0
[  405.611704][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  405.722886][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  405.852579][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  405.898324][ T9680] loop6: detected capacity change from 0 to 2048
[  405.930573][ T9681] loop2: detected capacity change from 0 to 2048
[  405.959843][ T9680] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  405.970254][ T9683] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  405.982894][ T9681] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  406.069680][ T9686] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  406.102518][ T9687] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  406.118299][ T9688] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  406.153506][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop6
[  406.167202][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop0
[  406.313086][ T9685] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  406.396817][ T9693] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  406.452215][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop3
[  406.513998][ T9694] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  406.544457][ T9695] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  406.584163][ T9677] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  406.596687][   T31] audit: type=1800 audit(1767253674.382:306): pid=9693 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.600" name="bus" dev="loop1" ino=18 res=0 errno=0
[  406.772631][ T9677] Remounting filesystem read-only
[  407.035334][ T9683] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
2026/01/01 07:47:54 executed programs: 596
[  407.131728][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  407.142772][ T9683] Remounting filesystem read-only
[  407.291596][ T9680] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  407.335574][ T9689] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  407.384326][ T9680] Remounting filesystem read-only
[  407.427463][ T9689] Remounting filesystem read-only
[  407.456727][ T9696] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  407.519802][ T9699] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  407.543200][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  407.567530][ T9696] Remounting filesystem read-only
[  407.591938][ T9708] set_capacity_and_notify: 3 callbacks suppressed
[  407.591965][ T9708] loop4: detected capacity change from 0 to 2048
[  407.593185][ T9699] Remounting filesystem read-only
[  407.684922][ T9708] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  407.764134][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  407.812486][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  407.845646][ T9714] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  407.896496][   T31] audit: type=1800 audit(1767253675.682:307): pid=9708 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.601" name="bus" dev="loop4" ino=18 res=0 errno=0
[  407.966365][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  407.985393][ T9715] loop0: detected capacity change from 0 to 2048
[  408.050245][ T9715] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  408.153506][ T9721] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  408.199754][ T9718] loop2: detected capacity change from 0 to 2048
[  408.202093][ T9720] loop6: detected capacity change from 0 to 2048
[  408.220702][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  408.289498][ T9718] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  408.355520][ T9720] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  408.384951][ T9724] loop3: detected capacity change from 0 to 2048
[  408.423311][ T9725] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  408.440207][ T9726] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  408.440231][ T9724] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  408.471299][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop2
[  408.503301][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop6
[  408.588155][ T9730] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  408.725947][ T9731] loop1: detected capacity change from 0 to 2048
[  408.818360][ T9731] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  408.842968][ T9722] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  408.940218][ T5979] udevd[5979]: incorrect nilfs2 checksum on /dev/loop1
[  408.973269][ T9722] Remounting filesystem read-only
[  409.065553][ T9716] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  409.089978][ T9735] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  409.166875][   T31] audit: type=1800 audit(1767253676.952:308): pid=9731 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.606" name="bus" dev="loop1" ino=18 res=0 errno=0
[  409.198288][ T9716] Remounting filesystem read-only
[  409.308669][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  409.458903][ T9727] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  409.534918][ T9720] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  409.550290][ T9727] Remounting filesystem read-only
[  409.590261][ T9720] Remounting filesystem read-only
[  409.594052][ T9732] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  409.612568][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  409.669112][ T9742] loop0: detected capacity change from 0 to 2048
[  409.705541][ T9732] Remounting filesystem read-only
[  409.736902][ T9742] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  409.800810][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  409.842671][ T9747] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  409.894545][   T31] audit: type=1800 audit(1767253677.682:309): pid=9742 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.607" name="bus" dev="loop0" ino=18 res=0 errno=0
[  409.951412][ T9736] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  410.063037][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  410.077739][ T9736] Remounting filesystem read-only
[  410.080813][ T9749] loop4: detected capacity change from 0 to 2048
[  410.092706][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  410.141625][ T9751] loop2: detected capacity change from 0 to 2048
[  410.159721][ T9749] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  410.241406][ T9751] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  410.273157][ T9754] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  410.317241][ T9755] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  410.413151][   T31] audit: type=1800 audit(1767253678.202:310): pid=9751 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.609" name="bus" dev="loop2" ino=18 res=0 errno=0
[  410.443019][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  410.509912][ T9759] loop3: detected capacity change from 0 to 2048
[  410.547799][ T9759] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  410.696930][ T9763] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  410.807823][ T9762] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  410.822397][   T31] audit: type=1800 audit(1767253678.602:311): pid=9759 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.610" name="bus" dev="loop3" ino=18 res=0 errno=0
[  410.962800][ T9767] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  411.047795][ T9766] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  411.133110][ T9769] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  411.188878][   T31] audit: type=1800 audit(1767253678.972:312): pid=9766 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.612" name="bus" dev="loop1" ino=18 res=0 errno=0
[  411.247808][ T9756] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  411.344729][ T9756] Remounting filesystem read-only
[  411.420991][ T9749] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  411.534746][ T9749] Remounting filesystem read-only
[  411.554030][ T9760] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  411.722095][ T9760] Remounting filesystem read-only
[  411.758417][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  411.924071][ T9762] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  411.952837][ T9764] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  411.983605][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  411.994276][ T9770] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  412.042748][ T9762] Remounting filesystem read-only
[  412.079319][ T9780] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  412.082760][ T9770] Remounting filesystem read-only
[  412.106214][ T9764] Remounting filesystem read-only
2026/01/01 07:47:59 executed programs: 610
[  412.147286][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  412.192294][ T9785] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  412.413128][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  412.425980][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  412.454209][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  412.474420][ T9788] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  412.584856][ T9791] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  412.627931][ T9790] set_capacity_and_notify: 4 callbacks suppressed
[  412.627950][ T9790] loop2: detected capacity change from 0 to 2048
[  412.757382][ T9790] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  412.834386][ T9795] loop1: detected capacity change from 0 to 2048
[  412.863555][ T9796] loop6: detected capacity change from 0 to 2048
[  412.901767][ T9795] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  412.917053][ T9796] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  412.927613][ T9797] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  413.019467][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop1
[  413.052499][ T9801] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  413.055818][ T9802] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  413.118780][ T9799] loop3: detected capacity change from 0 to 2048
[  413.243201][ T9799] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  413.326637][ T9786] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  413.343686][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop3
[  413.402568][ T9806] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  413.478139][   T31] audit: type=1800 audit(1767253681.262:313): pid=9799 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.618" name="bus" dev="loop3" ino=18 res=0 errno=0
[  413.536097][ T9786] Remounting filesystem read-only
[  413.536325][ T9788] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  413.787987][ T9788] Remounting filesystem read-only
[  413.813282][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  413.850919][ T9790] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  413.977637][ T9790] Remounting filesystem read-only
[  414.055272][ T9796] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  414.125201][ T9796] Remounting filesystem read-only
[  414.172536][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  414.222125][ T9818] loop0: detected capacity change from 0 to 2048
[  414.287831][ T9818] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  414.307885][ T9804] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  414.334746][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  414.383177][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop0
[  414.394550][ T9812] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  414.409622][ T9819] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  414.447145][ T9804] Remounting filesystem read-only
[  414.538291][ T9812] Remounting filesystem read-only
[  414.563343][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  414.669005][ T9826] loop4: detected capacity change from 0 to 2048
[  414.698188][ T9826] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  414.773059][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  414.788489][ T9828] loop2: detected capacity change from 0 to 2048
[  414.825030][ T9829] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  414.836743][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop4
[  414.852463][ T9828] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  414.886179][   T31] audit: type=1800 audit(1767253682.672:314): pid=9826 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.620" name="bus" dev="loop4" ino=18 res=0 errno=0
[  414.912796][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  414.969396][ T9833] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  415.014158][ T9831] loop6: detected capacity change from 0 to 2048
[  415.082536][ T9831] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  415.232586][ T9837] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  415.254327][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop6
[  415.334001][ T9836] loop1: detected capacity change from 0 to 2048
[  415.414895][ T9836] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  415.451130][ T9840] loop3: detected capacity change from 0 to 2048
[  415.537051][ T9841] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  415.545987][ T9840] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  415.564051][ T9818] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  415.614153][   T31] audit: type=1800 audit(1767253683.402:315): pid=9836 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.623" name="bus" dev="loop1" ino=18 res=0 errno=0
[  415.645658][ T9818] Remounting filesystem read-only
[  415.666422][ T9843] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  415.837798][ T5143] Bluetooth: hci0: command 0x0406 tx timeout
[  415.868126][ T9832] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  416.087062][ T9832] Remounting filesystem read-only
[  416.135791][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  416.174791][ T9828] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  416.253507][ T9828] Remounting filesystem read-only
[  416.432960][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  416.475601][ T9855] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  416.555141][ T9856] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  416.604471][ T9848] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  416.625349][   T31] audit: type=1800 audit(1767253684.412:316): pid=9855 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.625" name="bus" dev="loop0" ino=18 res=0 errno=0
[  416.661895][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  416.782878][ T9848] Remounting filesystem read-only
[  416.813859][ T9840] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  416.940987][ T9840] Remounting filesystem read-only
[  417.002654][ T9861] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  417.112858][ T9868] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
2026/01/01 07:48:04 executed programs: 624
[  417.158752][ T9865] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  417.197209][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  417.268584][ T9867] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  417.290739][ T9870] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  417.347888][ T9871] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  417.353266][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  417.508894][   T31] audit: type=1800 audit(1767253685.292:317): pid=9867 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.628" name="bus" dev="loop2" ino=18 res=0 errno=0
[  417.855594][ T9875] set_capacity_and_notify: 4 callbacks suppressed
[  417.855614][ T9875] loop1: detected capacity change from 0 to 2048
[  417.897822][ T9877] loop3: detected capacity change from 0 to 2048
[  417.914401][ T9857] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  418.002525][ T9877] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  418.012709][ T9875] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  418.035434][ T9857] Remounting filesystem read-only
[  418.063079][ T9880] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  418.082515][ T9881] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  418.107552][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop3
[  418.183070][ T9861] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  418.209950][ T9865] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  418.297810][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  418.363807][ T9861] Remounting filesystem read-only
[  418.385422][ T9865] Remounting filesystem read-only
[  418.427521][ T9873] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  418.500381][ T9873] Remounting filesystem read-only
[  418.638791][ T9891] loop0: detected capacity change from 0 to 2048
[  418.663199][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  418.683568][ T9891] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  418.720250][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  418.762871][ T9892] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  418.820059][   T31] audit: type=1800 audit(1767253686.602:318): pid=9891 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.631" name="bus" dev="loop0" ino=18 res=0 errno=0
[  418.978093][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  418.999801][ T9875] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  419.062135][ T9894] loop6: detected capacity change from 0 to 2048
[  419.133708][ T9896] loop4: detected capacity change from 0 to 2048
[  419.141144][ T9894] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  419.166592][ T9875] Remounting filesystem read-only
[  419.167095][ T9896] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  419.190574][ T9877] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  419.239102][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop6
[  419.252816][ T9901] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  419.313712][ T9903] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  419.381585][   T31] audit: type=1800 audit(1767253687.162:319): pid=9896 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.633" name="bus" dev="loop4" ino=18 res=0 errno=0
[  419.400567][ T9877] Remounting filesystem read-only
[  419.416132][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  419.429830][ T9904] loop2: detected capacity change from 0 to 2048
[  419.505143][ T9904] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  419.601341][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  419.603173][ T5980] udevd[5980]: incorrect nilfs2 checksum on /dev/loop2
[  419.639067][ T9908] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  419.694944][   T31] audit: type=1800 audit(1767253687.482:320): pid=9904 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.634" name="bus" dev="loop2" ino=18 res=0 errno=0
[  419.904184][ T9910] loop1: detected capacity change from 0 to 2048
[  419.969505][ T9910] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  420.004542][ T9906] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  420.111686][ T9913] loop3: detected capacity change from 0 to 2048
[  420.135733][ T9906] Remounting filesystem read-only
[  420.143916][ T9916] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  420.207954][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop1
[  420.216717][ T9913] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  420.352738][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop3
[  420.361286][ T9896] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  420.399460][ T9918] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  420.473129][   T31] audit: type=1800 audit(1767253688.262:321): pid=9913 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.636" name="bus" dev="loop3" ino=18 res=0 errno=0
[  420.513941][ T9896] Remounting filesystem read-only
[  420.565244][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  420.586208][ T9905] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  420.657847][ T9905] Remounting filesystem read-only
[  420.804508][ T9911] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  420.889999][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  420.896628][ T9911] Remounting filesystem read-only
[  420.995469][ T9927] loop0: detected capacity change from 0 to 2048
[  421.075919][ T9927] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  421.086322][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  421.121309][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop0
[  421.211474][ T9919] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  421.224198][ T9930] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  421.280219][ T9929] loop4: detected capacity change from 0 to 2048
[  421.292730][   T31] audit: type=1800 audit(1767253689.082:322): pid=9927 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.637" name="bus" dev="loop0" ino=18 res=0 errno=0
[  421.332330][ T9919] Remounting filesystem read-only
[  421.341383][ T5969] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  421.372207][ T9910] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  421.407411][ T9929] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  421.474573][ T9934] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  421.494517][ T9910] Remounting filesystem read-only
[  421.517105][ T9933] NILFS (loop6): broken superblock, retrying with spare superblock (blocksize = 1024)
[  421.549015][   T31] audit: type=1800 audit(1767253689.332:323): pid=9929 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.638" name="bus" dev="loop4" ino=18 res=0 errno=0
[  421.622943][ T9939] NILFS (loop6): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  421.701685][ T5964] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  421.733766][ T9940] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  421.828319][ T9943] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  421.845451][ T5983] udevd[5983]: incorrect nilfs2 checksum on /dev/loop2
[  421.853873][ T5965] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  422.074167][   T32] INFO: task vhost-7617:7618 blocked for more than 143 seconds.
[  422.082125][   T32]       Not tainted syzkaller #0
[  422.142440][   T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  422.151180][   T32] task:vhost-7617      state:D stack:29600 pid:7618  tgid:7593  ppid:5977   task_flags:0x404440 flags:0x00080000
[  422.194037][ T9946] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  422.295247][ T9949] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  422.302760][ T5975] udevd[5975]: incorrect nilfs2 checksum on /dev/loop3
[  422.313358][   T32] Call Trace:
[  422.316661][   T32]  <TASK>
[  422.319604][   T32]  __schedule+0x149b/0x4fd0
[  422.392828][   T32]  ? __pfx___schedule+0x10/0x10
[  422.397783][   T32]  ? schedule+0x91/0x360
[  422.402051][   T32]  schedule+0x165/0x360
[  422.472664][   T32]  schedule_preempt_disabled+0x13/0x30
[  422.510361][   T32]  __mutex_lock+0x7e6/0x1350
[  422.515812][ T9948] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  422.522409][   T32]  ? __mutex_lock+0x5bb/0x1350
[  422.543935][ T9941] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  422.574373][   T32]  ? vhost_worker_killed+0x12b/0x390
[  422.609129][   T32]  ? __pfx___mutex_lock+0x10/0x10
[  422.622692][ T5866] udevd[5866]: incorrect nilfs2 checksum on /dev/loop1
[  422.644018][   T32]  ? __pfx___mutex_lock+0x10/0x10
[  422.649530][ T9953] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  422.671285][ T9941] Remounting filesystem read-only
[  422.678928][   T32]  vhost_worker_killed+0x12b/0x390
[  422.703835][ T9942] NILFS error (device loop6): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  422.742465][   T32]  ? __pfx_vhost_worker_killed+0x10/0x10
[  422.759377][ T9938] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  422.783844][   T32]  vhost_task_fn+0x3d1/0x430
[  422.788553][   T32]  ? __pfx_vhost_task_fn+0x10/0x10
[  422.804433][ T9942] Remounting filesystem read-only
[  422.853507][   T32]  ? do_raw_spin_lock+0x121/0x290
[  422.874365][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  422.880093][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  422.906703][ T9938] Remounting filesystem read-only
[  422.940063][   T32]  ? __pfx_vhost_task_fn+0x10/0x10
[  422.946673][   T32]  ret_from_fork+0x510/0xa50
[  422.962095][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  422.982849][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.039328][   T32]  ? __switch_to+0xc9e/0x1480
[  423.082489][   T32]  ? __pfx_vhost_task_fn+0x10/0x10
[  423.108171][   T32]  ret_from_fork_asm+0x1a/0x30
[  423.138840][   T32]  </TASK>
[  423.159263][   T32] 
[  423.159263][   T32] Showing all locks held in the system:
[  423.189537][   T32] 1 lock held by khungtaskd/32:
[  423.215177][ T9944] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  423.252861][   T32]  #0: ffffffff8df41aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  423.267096][ T9944] Remounting filesystem read-only
2026/01/01 07:48:11 executed programs: 638
[  423.313692][   T32] 2 locks held by getty/5579:
[  423.332475][   T32]  #0: ffff88814e3cb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  423.347723][ T9948] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  423.389594][   T32]  #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
[  423.412442][   T32] 1 lock held by syz-executor/5978:
[  423.417723][   T32]  #0: ffffffff8df475f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2b1/0x6e0
[  423.439545][ T9948] Remounting filesystem read-only
[  423.474082][   T32] 2 locks held by syz.5.259/7601:
[  423.481968][ T9950] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
[  423.494120][   T32] 3 locks held by vhost-7617/7618:
[  423.509720][   T32]  #0: ffff888054cc68e8 (&vtsk->exit_mutex){+.+.}-{4:4}, at: vhost_task_fn+0x322/0x430
[  423.543692][ T9950] Remounting filesystem read-only
[  423.546676][   T32]  #1: ffff888024646a80 (&worker->mutex){+.+.}-{4:4}, at: vhost_worker_killed+0x57/0x390
[  423.612434][   T32]  #2: ffff8880550c0258 (&vq->mutex){+.+.}-{4:4}, at: vhost_worker_killed+0x12b/0x390
[  423.622195][   T32] 1 lock held by syz-executor/7850:
[  423.672802][   T32]  #0: ffffffff8df475f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x36e/0x6e0
[  423.712421][   T32] 1 lock held by syz.2.640/9940:
[  423.717515][   T32] 4 locks held by syz.3.641/9946:
[  423.742432][   T32] 3 locks held by syz.1.642/9954:
[  423.747611][   T32] 
[  423.749966][   T32] =============================================
[  423.749966][   T32] 
[  423.764792][ T5978] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  423.785454][ T7850] NILFS (loop6): disposed unprocessed dirty file(s) when stopping log writer
[  423.802662][   T32] NMI backtrace for cpu 0
[  423.802689][   T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  423.802718][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  423.802733][   T32] Call Trace:
[  423.802751][   T32]  <TASK>
[  423.802761][   T32]  dump_stack_lvl+0xe8/0x150
[  423.802802][   T32]  nmi_cpu_backtrace+0x274/0x2d0
[  423.802839][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.802867][   T32]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  423.802906][   T32]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  423.802943][   T32]  sys_info+0x135/0x170
[  423.802970][   T32]  watchdog+0xf95/0xfe0
[  423.803011][   T32]  ? watchdog+0x20a/0xfe0
[  423.803050][   T32]  kthread+0x711/0x8a0
[  423.803089][   T32]  ? __pfx_watchdog+0x10/0x10
[  423.803124][   T32]  ? __pfx_kthread+0x10/0x10
[  423.803151][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.803187][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  423.803227][   T32]  ? __pfx_kthread+0x10/0x10
[  423.803259][   T32]  ret_from_fork+0x510/0xa50
[  423.803286][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  423.803306][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.803333][   T32]  ? __switch_to+0xc9e/0x1480
[  423.803369][   T32]  ? __pfx_kthread+0x10/0x10
[  423.803404][   T32]  ret_from_fork_asm+0x1a/0x30
[  423.803454][   T32]  </TASK>
[  423.803470][   T32] Sending NMI from CPU 0 to CPUs 1:
[  423.872762][ T5961] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  423.874917][    C1] NMI backtrace for cpu 1
[  423.874937][    C1] CPU: 1 UID: 0 PID: 5961 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  423.874962][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  423.874976][    C1] RIP: 0010:wq_watchdog_touch+0xb4/0x160
[  423.875021][    C1] Code: d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 e2 ba 9b 00 49 c7 c6 78 52 80 92 4c 03 33 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 b2 bb 9b 00 49 89 2e eb 18 e8 88 9a 35 00 48 8d
[  423.875040][    C1] RSP: 0018:ffffc90003157480 EFLAGS: 00000046
[  423.875059][    C1] RAX: 1ffff110170e484f RBX: ffffffff8d9aedd8 RCX: ffff88807d8b9e80
[  423.875076][    C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008
[  423.875089][    C1] RBP: 0000000100002ff4 R08: ffff888022760237 R09: 1ffff110044ec046
[  423.875106][    C1] R10: dffffc0000000000 R11: ffffffff8b583250 R12: 00000000000036b0
[  423.875121][    C1] R13: 0000000100002326 R14: ffff8880b8724278 R15: dffffc0000000000
[  423.875140][    C1] FS:  0000555582bd2500(0000) GS:ffff888125f1f000(0000) knlGS:0000000000000000
[  423.875158][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  423.875173][    C1] CR2: 0000000000000000 CR3: 0000000077fb2000 CR4: 0000000000350ef0
[  423.875190][    C1] Call Trace:
[  423.875199][    C1]  <TASK>
[  423.875210][    C1]  wait_for_lsr+0x16a/0x2f0
[  423.875244][    C1]  serial8250_console_write+0x1301/0x1b60
[  423.875278][    C1]  ? __pfx_serial8250_console_write+0x10/0x10
[  423.875302][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.875330][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.875357][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.875382][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  423.875414][    C1]  ? console_flush_all+0x11a/0xb00
[  423.875445][    C1]  console_flush_all+0x713/0xb00
[  423.875476][    C1]  ? console_flush_all+0x11a/0xb00
[  423.875510][    C1]  ? __pfx_console_flush_all+0x10/0x10
[  423.875543][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.875567][    C1]  ? is_printk_cpu_sync_owner+0x32/0x40
[  423.875604][    C1]  console_unlock+0xbb/0x190
[  423.875630][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.875656][    C1]  ? __pfx_console_unlock+0x10/0x10
[  423.875682][    C1]  ? vprintk_emit+0x260/0x550
[  423.875709][    C1]  ? vprintk_emit+0x44b/0x550
[  423.875735][    C1]  ? vprintk_emit+0x2c5/0x550
[  423.875759][    C1]  ? vprintk_emit+0x2c5/0x550
[  423.875787][    C1]  vprintk_emit+0x47b/0x550
[  423.875815][    C1]  ? __pfx_vprintk_emit+0x10/0x10
[  423.875849][    C1]  _printk+0xcf/0x120
[  423.875885][    C1]  ? __pfx__printk+0x10/0x10
[  423.875917][    C1]  ? __flush_work+0xd2/0xbc0
[  423.875941][    C1]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  423.875977][    C1]  __nilfs_msg+0x349/0x410
[  423.876016][    C1]  ? __pfx___nilfs_msg+0x10/0x10
[  423.876042][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.876070][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.876097][    C1]  ? flush_work+0xd/0x30
[  423.876124][    C1]  nilfs_detach_log_writer+0x697/0xa30
[  423.876162][    C1]  ? __pfx_nilfs_detach_log_writer+0x10/0x10
[  423.876194][    C1]  ? __pfx_fsnotify_sb_delete+0x10/0x10
[  423.876227][    C1]  ? __pfx_evict_inodes+0x10/0x10
[  423.876258][    C1]  nilfs_put_super+0x4d/0x150
[  423.876287][    C1]  ? __pfx_nilfs_put_super+0x10/0x10
[  423.876316][    C1]  generic_shutdown_super+0x135/0x2c0
[  423.876351][    C1]  kill_block_super+0x44/0x90
[  423.876373][    C1]  deactivate_locked_super+0xbc/0x130
[  423.876406][    C1]  cleanup_mnt+0x425/0x4c0
[  423.876438][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[  423.876475][    C1]  task_work_run+0x1d4/0x260
[  423.876507][    C1]  ? __pfx_task_work_run+0x10/0x10
[  423.876538][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.876569][    C1]  exit_to_user_mode_loop+0xef/0x4e0
[  423.876593][    C1]  ? srso_alias_return_thunk+0x5/0xfbef5
[  423.876617][    C1]  ? rcu_is_watching+0x15/0xb0
[  423.876646][    C1]  do_syscall_64+0x2b7/0xf80
[  423.876668][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.876689][    C1]  ? trace_irq_disable+0x37/0x100
[  423.876723][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.876743][    C1] RIP: 0033:0x7efe38790a77
[  423.876762][    C1] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  423.876780][    C1] RSP: 002b:00007ffc337cbd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  423.876801][    C1] RAX: 0000000000000000 RBX: 00007efe38813d7d RCX: 00007efe38790a77
[  423.876816][    C1] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc337cbe40
[  423.876830][    C1] RBP: 00007ffc337cbe40 R08: 0000000000000000 R09: 0000000000000000
[  423.876844][    C1] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc337cced0
[  423.876858][    C1] R13: 00007efe38813d7d R14: 0000000000067345 R15: 00007ffc337ccf10
[  423.876886][    C1]  </TASK>
[  424.053412][   T32] Kernel panic - not syncing: hung_task: blocked tasks
[  424.053441][   T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  424.053469][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  424.053485][   T32] Call Trace:
[  424.053496][   T32]  <TASK>
[  424.053507][   T32]  vpanic+0x1e0/0x670
[  424.053549][   T32]  panic+0xb9/0xc0
[  424.053579][   T32]  ? __pfx_panic+0x10/0x10
[  424.053607][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  424.053638][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  424.053666][   T32]  ? preempt_schedule_thunk+0x16/0x30
[  424.053697][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  424.053731][   T32]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  424.053772][   T32]  watchdog+0xfdf/0xfe0
[  424.053813][   T32]  ? watchdog+0x20a/0xfe0
[  424.053856][   T32]  kthread+0x711/0x8a0
[  424.053892][   T32]  ? __pfx_watchdog+0x10/0x10
[  424.053926][   T32]  ? __pfx_kthread+0x10/0x10
[  424.053955][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  424.053988][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  424.054025][   T32]  ? __pfx_kthread+0x10/0x10
[  424.054059][   T32]  ret_from_fork+0x510/0xa50
[  424.054087][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  424.054109][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  424.054136][   T32]  ? __switch_to+0xc9e/0x1480
[  424.054176][   T32]  ? __pfx_kthread+0x10/0x10
[  424.054209][   T32]  ret_from_fork_asm+0x1a/0x30
[  424.054261][   T32]  </TASK>
[  424.058802][   T32] Kernel Offset: disabled