by syz.2.917 (10430)
[  584.422408][T10424] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  584.425621][T10424] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  584.458138][T10424] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  584.499814][T10424] exFAT-fs (loop0): hint_cluster is invalid (17)
[  584.507065][T10424] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  584.519704][T10424] exFAT-fs (loop0): Filesystem has been set read-only
[  584.539123][ T9512] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9512)
[  584.637045][T10428] loop1: detected capacity change from 0 to 256
[  584.699240][T10428] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  584.702364][T10428] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  584.717011][T10428] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  584.766408][T10428] exFAT-fs (loop1): hint_cluster is invalid (17)
[  584.778868][T10428] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  584.787667][T10428] exFAT-fs (loop1): Filesystem has been set read-only
[  585.308010][T10459] loop0: detected capacity change from 0 to 32768
[  585.341369][T10459] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.920 (10459)
[  585.375553][T10459] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  585.378140][T10459] BTRFS info (device loop0): enabling auto defrag
[  585.380562][T10459] BTRFS info (device loop0): doing ref verification
[  585.382612][T10459] BTRFS info (device loop0): max_inline at 0
[  585.384333][T10459] BTRFS info (device loop0): force clearing of disk cache
[  585.386315][T10459] BTRFS info (device loop0): turning on sync discard
[  585.401739][T10459] BTRFS info (device loop0): disabling free space tree
[  585.403887][T10463] loop4: detected capacity change from 0 to 32768
[  585.409740][T10459] BTRFS info (device loop0): has skinny extents
[  585.431843][T10466] loop3: detected capacity change from 0 to 32768
[  585.436203][T10466] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.921 (10466)
[  585.468121][T10461] loop2: detected capacity change from 0 to 32768
[  585.476625][T10461] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.922 (10461)
[  585.508533][ T4342] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4342)
[  585.539054][T10463] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.919 (10463)
[  585.555684][T10468] loop1: detected capacity change from 0 to 32768
[  585.592510][T10468] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.923 (10468)
[  585.634429][ T4247] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4247)
[  585.650666][T10459] BTRFS info (device loop0): enabling ssd optimizations
[  585.653918][T10459] BTRFS info (device loop0): clearing free space tree
[  585.656700][T10459] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  585.668306][T10459] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  585.692084][ T9512] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9512)
1970/01/01 00:09:45 executed programs: 918
[  585.856785][T10468] loop1: detected capacity change from 0 to 256
[  585.916678][T10468] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  585.921176][T10468] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  585.963550][T10468] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  585.998303][T10468] exFAT-fs (loop1): hint_cluster is invalid (17)
[  586.021702][T10468] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  586.032739][T10468] exFAT-fs (loop1): Filesystem has been set read-only
[  586.247077][T10492] loop3: detected capacity change from 0 to 32768
[  586.332985][T10492] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.925 (10492)
[  586.487636][T10494] loop2: detected capacity change from 0 to 32768
[  586.567594][T10496] loop4: detected capacity change from 0 to 32768
[  586.585104][T10494] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.924 (10494)
[  586.588852][T10492] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm
[  586.597841][T10492] BTRFS info (device loop3): enabling auto defrag
[  586.600117][T10492] BTRFS info (device loop3): doing ref verification
[  586.602075][T10492] BTRFS info (device loop3): max_inline at 0
[  586.603798][T10492] BTRFS info (device loop3): force clearing of disk cache
[  586.605798][T10492] BTRFS info (device loop3): turning on sync discard
[  586.607626][T10492] BTRFS info (device loop3): disabling free space tree
[  586.639447][T10492] BTRFS info (device loop3): has skinny extents
[  586.642970][T10496] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.926 (10496)
[  586.717986][T10494] loop2: detected capacity change from 0 to 256
[  586.736196][T10494] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  586.769719][T10494] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  586.797786][T10494] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  586.804027][T10501] loop1: detected capacity change from 0 to 32768
[  586.843122][T10503] loop0: detected capacity change from 0 to 32768
[  586.852758][T10501] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.927 (10501)
[  586.864039][T10494] exFAT-fs (loop2): hint_cluster is invalid (17)
[  586.883052][T10494] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  586.891899][T10503] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.928 (10503)
[  586.896640][T10494] exFAT-fs (loop2): Filesystem has been set read-only
[  586.936146][T10501] loop1: detected capacity change from 0 to 256
[  586.988859][T10501] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  586.996845][T10501] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  587.003168][T10492] BTRFS info (device loop3): enabling ssd optimizations
[  587.006323][T10492] BTRFS info (device loop3): clearing free space tree
[  587.008475][T10492] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  587.045962][T10501] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  587.049855][T10492] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  587.080088][T10503] loop0: detected capacity change from 0 to 256
[  587.096609][ T4247] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4247)
[  587.115608][T10501] exFAT-fs (loop1): hint_cluster is invalid (17)
[  587.121194][T10501] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  587.123615][T10501] exFAT-fs (loop1): Filesystem has been set read-only
[  587.141917][T10503] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  587.145180][T10503] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  587.182742][T10503] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  587.296203][T10503] exFAT-fs (loop0): hint_cluster is invalid (17)
[  587.312900][T10503] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  587.319459][T10503] exFAT-fs (loop0): Filesystem has been set read-only
[  587.354188][T10533] BTRFS warning (device loop3): failed to trim 1 block group(s), last error -512
[  587.818870][T10532] loop4: detected capacity change from 0 to 32768
[  587.841356][T10532] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.930 (10532)
[  587.868458][T10529] loop2: detected capacity change from 0 to 32768
[  587.889132][T10532] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  587.892273][T10532] BTRFS info (device loop4): enabling auto defrag
[  587.894117][T10532] BTRFS info (device loop4): doing ref verification
[  587.896073][T10532] BTRFS info (device loop4): max_inline at 0
[  587.897834][T10532] BTRFS info (device loop4): force clearing of disk cache
[  587.906887][T10532] BTRFS info (device loop4): turning on sync discard
[  587.913255][T10532] BTRFS info (device loop4): disabling free space tree
[  587.915420][T10532] BTRFS info (device loop4): has skinny extents
[  587.968202][T10537] loop1: detected capacity change from 0 to 32768
[  587.982107][T10529] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.929 (10529)
[  588.053156][T10539] loop0: detected capacity change from 0 to 32768
[  588.056944][T10537] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.931 (10537)
[  588.127729][T10539] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.932 (10539)
[  588.213864][T10532] BTRFS info (device loop4): enabling ssd optimizations
[  588.217394][ T4247] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4247)
[  588.248946][T10532] BTRFS info (device loop4): clearing free space tree
[  588.251197][T10532] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  588.254033][T10532] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  588.264948][T10541] loop3: detected capacity change from 0 to 32768
[  588.293528][T10541] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.933 (10541)
[  588.341356][T10539] loop0: detected capacity change from 0 to 256
[  588.355743][T10539] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  588.358847][T10539] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  588.368947][T10539] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  588.400344][T10539] exFAT-fs (loop0): hint_cluster is invalid (17)
[  588.415948][T10539] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  588.418195][T10539] exFAT-fs (loop0): Filesystem has been set read-only
[  588.439126][T10537] loop1: detected capacity change from 0 to 256
[  588.493407][T10541] loop3: detected capacity change from 0 to 256
[  588.541735][T10537] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  588.545137][T10537] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  588.566344][T10537] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  588.601366][T10541] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  588.604497][T10541] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  588.654444][T10537] exFAT-fs (loop1): hint_cluster is invalid (17)
[  588.670452][T10541] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  588.709983][T10537] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  588.712690][T10537] exFAT-fs (loop1): Filesystem has been set read-only
[  588.728450][T10541] exFAT-fs (loop3): hint_cluster is invalid (17)
[  588.757135][T10541] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  588.780544][T10541] exFAT-fs (loop3): Filesystem has been set read-only
[  589.198148][T10564] loop2: detected capacity change from 0 to 32768
[  589.215516][T10564] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.934 (10564)
[  589.235628][T10568] loop0: detected capacity change from 0 to 32768
[  589.363058][T10568] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.935 (10568)
[  589.508752][ T4247] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4247)
[  589.539850][ T4346] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4346)
[  589.690614][T10573] loop1: detected capacity change from 0 to 32768
[  589.731643][T10573] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.936 (10573)
[  589.781097][T10573] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  589.783755][T10573] BTRFS info (device loop1): enabling auto defrag
[  589.785591][T10573] BTRFS info (device loop1): doing ref verification
[  589.787499][T10573] BTRFS info (device loop1): max_inline at 0
[  589.807657][T10575] loop3: detected capacity change from 0 to 32768
[  589.809463][T10573] BTRFS info (device loop1): force clearing of disk cache
[  589.811751][T10573] BTRFS info (device loop1): turning on sync discard
[  589.813713][T10573] BTRFS info (device loop1): disabling free space tree
[  589.815645][T10573] BTRFS info (device loop1): has skinny extents
[  589.851818][T10575] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.937 (10575)
[  589.954037][ T4342] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4342)
[  590.230176][T10580] loop2: detected capacity change from 0 to 32768
[  590.259399][T10573] BTRFS info (device loop1): enabling ssd optimizations
[  590.262644][T10573] BTRFS info (device loop1): clearing free space tree
[  590.289366][T10573] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  590.292325][T10573] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  590.301859][T10580] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.939 (10580)
[  590.352495][T10582] loop4: detected capacity change from 0 to 32768
[  590.401462][T10582] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.938 (10582)
[  590.482162][ T4247] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4247)
[  590.562232][T10584] loop0: detected capacity change from 0 to 32768
[  590.593602][ T9512] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (9512)
[  590.622521][T10584] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.940 (10584)
1970/01/01 00:09:50 executed programs: 938
[  590.828997][T10584] loop0: detected capacity change from 0 to 256
[  590.830841][T10606] loop3: detected capacity change from 0 to 32768
[  590.873116][T10606] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.941 (10606)
[  590.920325][T10584] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  590.923337][T10584] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  590.945991][T10584] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  590.993270][T10584] exFAT-fs (loop0): hint_cluster is invalid (17)
[  591.064166][T10584] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  591.066477][T10584] exFAT-fs (loop0): Filesystem has been set read-only
[  591.119725][T10606] loop3: detected capacity change from 0 to 256
[  591.215214][T10614] loop2: detected capacity change from 0 to 32768
[  591.245779][T10614] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.942 (10614)
[  591.255271][T10606] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  591.258354][T10606] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  591.283840][T10606] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  591.327311][T10606] exFAT-fs (loop3): hint_cluster is invalid (17)
[  591.349325][T10606] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  591.351905][T10606] exFAT-fs (loop3): Filesystem has been set read-only
[  591.433962][T10614] loop2: detected capacity change from 0 to 256
[  591.461999][T10614] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  591.464906][T10614] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  591.503920][T10614] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  591.545327][T10614] exFAT-fs (loop2): hint_cluster is invalid (17)
[  591.561995][T10614] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  591.564371][T10614] exFAT-fs (loop2): Filesystem has been set read-only
[  591.669451][T10616] loop4: detected capacity change from 0 to 32768
[  591.715594][T10616] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.943 (10616)
[  591.798947][T10616] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  591.807746][T10616] BTRFS info (device loop4): enabling auto defrag
[  591.809796][T10616] BTRFS info (device loop4): doing ref verification
[  591.811735][T10616] BTRFS info (device loop4): max_inline at 0
[  591.813407][T10616] BTRFS info (device loop4): force clearing of disk cache
[  591.815476][T10616] BTRFS info (device loop4): turning on sync discard
[  591.817401][T10616] BTRFS info (device loop4): disabling free space tree
[  591.869739][T10616] BTRFS info (device loop4): has skinny extents
[  591.891632][T10619] loop0: detected capacity change from 0 to 32768
[  591.932199][T10619] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.945 (10619)
[  592.031685][T10624] loop1: detected capacity change from 0 to 32768
[  592.046901][T10624] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.944 (10624)
[  592.086581][T10622] loop3: detected capacity change from 0 to 32768
[  592.136491][T10616] BTRFS info (device loop4): enabling ssd optimizations
[  592.147033][T10616] BTRFS info (device loop4): clearing free space tree
[  592.149132][T10616] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  592.152168][T10616] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  592.170990][T10622] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.946 (10622)
[  592.224555][T10622] loop3: detected capacity change from 0 to 256
[  592.260923][T10619] loop0: detected capacity change from 0 to 256
[  592.281691][T10622] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  592.284918][T10622] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  592.305512][T10622] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  592.312677][T10619] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  592.315788][T10619] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  592.342377][T10619] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  592.383756][T10627] loop2: detected capacity change from 0 to 32768
[  592.407644][T10622] exFAT-fs (loop3): hint_cluster is invalid (17)
[  592.416830][T10627] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.947 (10627)
[  592.420914][T10622] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  592.424092][T10622] exFAT-fs (loop3): Filesystem has been set read-only
[  592.426099][T10619] exFAT-fs (loop0): hint_cluster is invalid (17)
[  592.449741][T10619] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  592.452208][T10619] exFAT-fs (loop0): Filesystem has been set read-only
[  592.656888][T10627] loop2: detected capacity change from 0 to 256
[  592.677753][T10627] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  592.680837][T10627] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  592.708158][T10627] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  592.755196][T10627] exFAT-fs (loop2): hint_cluster is invalid (17)
[  592.771367][T10627] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  592.773841][T10627] exFAT-fs (loop2): Filesystem has been set read-only
[  593.211483][T10655] loop1: detected capacity change from 0 to 32768
[  593.248220][T10655] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.948 (10655)
[  593.306236][T10655] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  593.308854][T10655] BTRFS info (device loop1): enabling auto defrag
[  593.312649][T10655] BTRFS info (device loop1): doing ref verification
[  593.321976][T10659] loop0: detected capacity change from 0 to 32768
[  593.325120][T10655] BTRFS info (device loop1): max_inline at 0
[  593.325196][T10657] loop3: detected capacity change from 0 to 32768
[  593.326912][T10655] BTRFS info (device loop1): force clearing of disk cache
[  593.361708][T10655] BTRFS info (device loop1): turning on sync discard
[  593.363707][T10655] BTRFS info (device loop1): disabling free space tree
[  593.386952][T10655] BTRFS info (device loop1): has skinny extents
[  593.418620][T10659] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.951 (10659)
[  593.433292][T10661] loop4: detected capacity change from 0 to 32768
[  593.460555][T10664] loop2: detected capacity change from 0 to 32768
[  593.462602][T10657] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.949 (10657)
[  593.538350][T10661] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.950 (10661)
[  593.571662][T10664] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.952 (10664)
[  593.594011][ T4346] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4346)
[  593.618045][T10655] BTRFS info (device loop1): enabling ssd optimizations
[  593.631412][T10659] loop0: detected capacity change from 0 to 256
[  593.648887][T10655] BTRFS info (device loop1): clearing free space tree
[  593.649032][T10659] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  593.651525][T10655] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  593.657296][T10655] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  593.682187][T10659] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  593.721500][T10657] loop3: detected capacity change from 0 to 256
[  593.742489][T10661] loop4: detected capacity change from 0 to 256
[  593.799475][T10659] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  593.811817][T10661] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  593.815107][T10661] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  593.820932][T10657] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  593.824152][T10657] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  593.828484][T10661] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  593.843482][T10657] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  593.877132][T10659] exFAT-fs (loop0): hint_cluster is invalid (17)
[  593.888267][T10659] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  593.890936][T10657] exFAT-fs (loop3): hint_cluster is invalid (17)
[  593.902339][T10657] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  593.905166][T10659] exFAT-fs (loop0): Filesystem has been set read-only
[  593.907390][T10657] exFAT-fs (loop3): Filesystem has been set read-only
[  593.924056][T10661] exFAT-fs (loop4): hint_cluster is invalid (17)
[  593.930420][T10661] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  593.932920][T10661] exFAT-fs (loop4): Filesystem has been set read-only
[  593.959504][T10685] BTRFS warning (device loop1): failed to trim 1 block group(s), last error -512
[  594.664969][T10692] loop3: detected capacity change from 0 to 32768
[  594.716399][T10692] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.953 (10692)
[  594.745049][T10694] loop0: detected capacity change from 0 to 32768
[  594.749935][T10692] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm
[  594.752350][T10692] BTRFS info (device loop3): enabling auto defrag
[  594.754166][T10692] BTRFS info (device loop3): doing ref verification
[  594.756082][T10692] BTRFS info (device loop3): max_inline at 0
[  594.757899][T10692] BTRFS info (device loop3): force clearing of disk cache
[  594.781880][T10697] loop2: detected capacity change from 0 to 32768
[  594.786204][T10692] BTRFS info (device loop3): turning on sync discard
[  594.788351][T10692] BTRFS info (device loop3): disabling free space tree
[  594.800232][T10694] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.954 (10694)
[  594.806671][T10692] BTRFS info (device loop3): has skinny extents
[  594.837039][T10699] loop4: detected capacity change from 0 to 32768
[  594.873776][T10697] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.956 (10697)
[  594.913199][T10701] loop1: detected capacity change from 0 to 32768
[  594.952756][T10699] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.957 (10699)
[  594.972662][T10694] loop0: detected capacity change from 0 to 256
[  594.996035][T10694] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  595.002398][T10697] loop2: detected capacity change from 0 to 256
[  595.004354][T10694] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  595.006757][T10692] BTRFS info (device loop3): enabling ssd optimizations
[  595.010854][T10692] BTRFS info (device loop3): clearing free space tree
[  595.012903][T10692] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  595.014762][T10694] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  595.015566][T10692] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  595.037096][T10701] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.955 (10701)
[  595.049155][T10694] exFAT-fs (loop0): hint_cluster is invalid (17)
[  595.055762][T10697] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  595.062950][T10697] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  595.079031][T10694] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  595.092577][T10699] loop4: detected capacity change from 0 to 256
[  595.092635][T10697] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  595.094873][T10694] exFAT-fs (loop0): Filesystem has been set read-only
[  595.111832][T10699] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  595.115046][T10699] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  595.160471][T10699] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  595.176176][T10697] exFAT-fs (loop2): hint_cluster is invalid (17)
[  595.196917][T10697] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  595.217063][T10697] exFAT-fs (loop2): Filesystem has been set read-only
[  595.247535][T10699] exFAT-fs (loop4): hint_cluster is invalid (17)
[  595.273736][T10699] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  595.300176][T10699] exFAT-fs (loop4): Filesystem has been set read-only
[  595.316122][T10701] loop1: detected capacity change from 0 to 256
[  595.376864][T10701] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  595.389538][T10701] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  595.436066][T10701] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  595.504143][T10701] exFAT-fs (loop1): hint_cluster is invalid (17)
[  595.519484][T10701] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  595.521820][T10701] exFAT-fs (loop1): Filesystem has been set read-only
[  596.096639][T10725] loop0: detected capacity change from 0 to 32768
[  596.136183][T10731] loop4: detected capacity change from 0 to 32768
[  596.139468][T10725] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.958 (10725)
[  596.158261][T10732] loop2: detected capacity change from 0 to 32768
[  596.182849][T10725] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  596.185621][T10725] BTRFS info (device loop0): enabling auto defrag
[  596.187447][T10725] BTRFS info (device loop0): doing ref verification
[  596.195433][T10725] BTRFS info (device loop0): max_inline at 0
[  596.197409][T10725] BTRFS info (device loop0): force clearing of disk cache
[  596.207009][T10736] loop3: detected capacity change from 0 to 32768
[  596.209130][T10725] BTRFS info (device loop0): turning on sync discard
[  596.211621][T10725] BTRFS info (device loop0): disabling free space tree
[  596.213527][T10725] BTRFS info (device loop0): has skinny extents
[  596.228127][T10731] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.960 (10731)
[  596.280090][T10738] loop1: detected capacity change from 0 to 32768
[  596.283787][T10732] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.959 (10732)
[  596.290750][T10736] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.961 (10736)
[  596.306731][T10725] BTRFS info (device loop0): enabling ssd optimizations
[  596.324631][T10738] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.962 (10738)
[  596.327882][T10725] BTRFS info (device loop0): clearing free space tree
[  596.333546][T10725] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  596.338761][T10725] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  596.396011][ T9513] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9513)
[  596.415292][ T9512] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (9512)
1970/01/01 00:09:56 executed programs: 957
[  596.541891][T10731] loop4: detected capacity change from 0 to 256
[  596.613974][T10731] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  596.617096][T10731] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  596.652195][T10731] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  596.662262][T10738] loop1: detected capacity change from 0 to 128
[  596.697071][T10761] BTRFS warning (device loop0): failed to trim 1 block group(s), last error -512
[  596.699752][T10738] UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256
[  596.705016][T10738] UDF-fs: error (device loop1): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  596.747066][T10731] exFAT-fs (loop4): hint_cluster is invalid (17)
[  596.776064][T10731] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  596.779081][T10731] exFAT-fs (loop4): Filesystem has been set read-only
[  597.322380][T10764] loop3: detected capacity change from 0 to 32768
[  597.352801][T10764] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.963 (10764)
[  597.401096][T10764] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm
[  597.403655][T10764] BTRFS info (device loop3): enabling auto defrag
[  597.405460][T10764] BTRFS info (device loop3): doing ref verification
[  597.409740][T10764] BTRFS info (device loop3): max_inline at 0
[  597.411519][T10764] BTRFS info (device loop3): force clearing of disk cache
[  597.413553][T10764] BTRFS info (device loop3): turning on sync discard
[  597.413733][T10766] loop2: detected capacity change from 0 to 32768
[  597.415457][T10764] BTRFS info (device loop3): disabling free space tree
[  597.451342][T10764] BTRFS info (device loop3): has skinny extents
[  597.490721][T10766] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.964 (10766)
[  597.558347][T10773] loop0: detected capacity change from 0 to 32768
[  597.611584][T10773] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.965 (10773)
[  597.638561][T10771] loop4: detected capacity change from 0 to 32768
[  597.646509][T10769] loop1: detected capacity change from 0 to 32768
[  597.676692][T10771] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.967 (10771)
[  597.682452][T10766] loop2: detected capacity change from 0 to 128
[  597.698229][T10764] BTRFS info (device loop3): enabling ssd optimizations
[  597.704993][T10764] BTRFS info (device loop3): clearing free space tree
[  597.707138][T10764] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  597.718649][T10766] UDF-fs: error (device loop2): udf_read_tagged: read failed, block=256, location=256
[  597.723828][T10769] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.966 (10769)
[  597.728170][T10764] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  597.745492][T10766] UDF-fs: error (device loop2): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  597.770910][ T4247] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4247)
[  597.947032][T10769] loop1: detected capacity change from 0 to 256
[  597.989038][T10771] loop4: detected capacity change from 0 to 256
[  597.992461][T10769] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  597.995613][T10769] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  598.022942][T10771] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  598.025821][T10769] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  598.026117][T10771] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  598.072947][T10771] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  598.155009][T10771] exFAT-fs (loop4): hint_cluster is invalid (17)
[  598.158877][T10769] exFAT-fs (loop1): hint_cluster is invalid (17)
[  598.165309][T10771] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  598.167614][T10771] exFAT-fs (loop4): Filesystem has been set read-only
[  598.179546][T10769] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  598.182020][T10769] exFAT-fs (loop1): Filesystem has been set read-only
[  598.681819][T10795] loop2: detected capacity change from 0 to 32768
[  598.732207][T10799] loop0: detected capacity change from 0 to 32768
[  598.754417][T10799] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.969 (10799)
[  598.783670][T10799] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  598.786412][T10799] BTRFS info (device loop0): enabling auto defrag
[  598.788218][T10799] BTRFS info (device loop0): doing ref verification
[  598.791192][T10795] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.968 (10795)
[  598.809649][T10799] BTRFS info (device loop0): max_inline at 0
[  598.814250][T10799] BTRFS info (device loop0): force clearing of disk cache
[  598.817123][T10799] BTRFS info (device loop0): turning on sync discard
[  598.821338][T10799] BTRFS info (device loop0): disabling free space tree
[  598.823953][T10799] BTRFS info (device loop0): has skinny extents
[  598.916833][T10805] loop1: detected capacity change from 0 to 32768
[  598.933654][ T9512] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9512)
[  598.968929][T10804] loop4: detected capacity change from 0 to 32768
[  598.982528][T10805] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.971 (10805)
[  599.012789][T10807] loop3: detected capacity change from 0 to 32768
[  599.027480][T10804] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.972 (10804)
[  599.087805][T10807] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.970 (10807)
[  599.103706][T10805] loop1: detected capacity change from 0 to 256
[  599.119413][T10799] BTRFS info (device loop0): enabling ssd optimizations
[  599.141616][T10805] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  599.145539][T10799] BTRFS info (device loop0): clearing free space tree
[  599.147554][T10799] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  599.151406][T10805] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  599.166847][T10799] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  599.213263][T10805] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  599.245643][T10805] exFAT-fs (loop1): hint_cluster is invalid (17)
[  599.282904][T10805] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  599.285286][T10805] exFAT-fs (loop1): Filesystem has been set read-only
[  599.332581][T10807] loop3: detected capacity change from 0 to 256
[  599.346509][T10826] loop2: detected capacity change from 0 to 32768
[  599.350762][T10804] loop4: detected capacity change from 0 to 256
[  599.383015][T10807] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  599.386585][T10826] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.973 (10826)
[  599.396616][T10807] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  599.400052][T10804] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  599.402926][T10804] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  599.411297][T10804] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  599.417635][T10807] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  599.439161][T10804] exFAT-fs (loop4): hint_cluster is invalid (17)
[  599.471759][T10804] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  599.474135][T10804] exFAT-fs (loop4): Filesystem has been set read-only
[  599.482693][T10807] exFAT-fs (loop3): hint_cluster is invalid (17)
[  599.532032][T10807] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  599.535294][ T9512] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9512)
[  599.538360][T10807] exFAT-fs (loop3): Filesystem has been set read-only
[  600.308740][T10838] loop4: detected capacity change from 0 to 32768
[  600.353762][T10832] loop1: detected capacity change from 0 to 32768
[  600.364564][T10838] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.975 (10838)
[  600.428107][T10838] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  600.432355][T10838] BTRFS info (device loop4): enabling auto defrag
[  600.432412][T10832] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.974 (10832)
[  600.434305][T10838] BTRFS info (device loop4): doing ref verification
[  600.454307][T10840] loop3: detected capacity change from 0 to 32768
[  600.457844][T10838] BTRFS info (device loop4): max_inline at 0
[  600.466664][T10838] BTRFS info (device loop4): force clearing of disk cache
[  600.468891][T10838] BTRFS info (device loop4): turning on sync discard
[  600.472284][T10838] BTRFS info (device loop4): disabling free space tree
[  600.474331][T10838] BTRFS info (device loop4): has skinny extents
[  600.508560][T10840] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.976 (10840)
[  600.604454][T10842] loop2: detected capacity change from 0 to 32768
[  600.629965][T10832] loop1: detected capacity change from 0 to 256
[  600.654044][T10844] loop0: detected capacity change from 0 to 32768
[  600.656121][T10842] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.978 (10842)
[  600.667444][T10838] BTRFS info (device loop4): enabling ssd optimizations
[  600.677757][T10838] BTRFS info (device loop4): clearing free space tree
[  600.678349][T10832] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  600.680227][T10838] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  600.686302][T10838] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  600.695349][T10832] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  600.713866][T10844] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.977 (10844)
[  600.728408][T10832] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  600.774102][T10840] loop3: detected capacity change from 0 to 256
[  600.793173][T10832] exFAT-fs (loop1): hint_cluster is invalid (17)
[  600.817749][T10832] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  600.832326][T10840] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  600.835676][T10840] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  600.838119][T10832] exFAT-fs (loop1): Filesystem has been set read-only
[  600.850540][T10840] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  600.895357][T10840] exFAT-fs (loop3): hint_cluster is invalid (17)
[  600.939349][T10842] loop2: detected capacity change from 0 to 256
[  600.956967][T10840] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  600.959579][T10840] exFAT-fs (loop3): Filesystem has been set read-only
[  600.966860][T10844] loop0: detected capacity change from 0 to 256
[  601.026950][T10842] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  601.039781][T10844] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  601.043025][T10844] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  601.046662][T10842] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  601.065441][T10842] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  601.076586][T10844] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  601.184092][T10842] exFAT-fs (loop2): hint_cluster is invalid (17)
[  601.190461][T10844] exFAT-fs (loop0): hint_cluster is invalid (17)
[  601.212874][T10844] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  601.216123][T10842] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  601.218858][T10842] exFAT-fs (loop2): Filesystem has been set read-only
[  601.222106][T10844] exFAT-fs (loop0): Filesystem has been set read-only
[  601.663261][T10869] loop1: detected capacity change from 0 to 32768
[  601.709105][T10869] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.979 (10869)
[  601.753661][T10869] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  601.756207][T10869] BTRFS info (device loop1): enabling auto defrag
[  601.758131][T10869] BTRFS info (device loop1): doing ref verification
[  601.772926][T10869] BTRFS info (device loop1): max_inline at 0
[  601.774950][T10869] BTRFS info (device loop1): force clearing of disk cache
[  601.777058][T10869] BTRFS info (device loop1): turning on sync discard
[  601.778982][T10869] BTRFS info (device loop1): disabling free space tree
[  601.806191][T10871] loop3: detected capacity change from 0 to 32768
[  601.814850][T10869] BTRFS info (device loop1): has skinny extents
[  601.841730][T10871] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.980 (10871)
[  601.888153][T10875] loop4: detected capacity change from 0 to 32768
[  601.929525][T10875] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.981 (10875)
[  601.965733][T10877] loop2: detected capacity change from 0 to 32768
[  602.027998][T10877] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.982 (10877)
[  602.041448][T10879] loop0: detected capacity change from 0 to 32768
[  602.085836][T10869] BTRFS info (device loop1): enabling ssd optimizations
[  602.089094][T10869] BTRFS info (device loop1): clearing free space tree
[  602.092191][T10879] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.983 (10879)
[  602.092574][T10869] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  602.098043][T10869] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  602.143553][T10871] loop3: detected capacity change from 0 to 256
[  602.178096][T10875] loop4: detected capacity change from 0 to 256
[  602.185803][T10871] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  602.219445][T10871] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  602.223485][T10875] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  602.226542][T10875] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  602.261245][T10875] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  602.279660][T10871] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
1970/01/01 00:10:02 executed programs: 978
[  602.360380][T10875] exFAT-fs (loop4): hint_cluster is invalid (17)
[  602.379982][T10871] exFAT-fs (loop3): hint_cluster is invalid (17)
[  602.426712][T10871] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  602.429105][T10871] exFAT-fs (loop3): Filesystem has been set read-only
[  602.432109][T10875] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  602.434467][T10875] exFAT-fs (loop4): Filesystem has been set read-only
[  602.466882][ T9512] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (9512)
[  602.547927][ T9513] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9513)
[  602.989520][T10908] loop2: detected capacity change from 0 to 32768
[  603.141953][T10908] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.984 (10908)
[  603.241323][T10908] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm
[  603.244069][T10908] BTRFS info (device loop2): enabling auto defrag
[  603.245907][T10908] BTRFS info (device loop2): doing ref verification
[  603.248059][T10908] BTRFS info (device loop2): max_inline at 0
[  603.272805][T10908] BTRFS info (device loop2): force clearing of disk cache
[  603.274953][T10908] BTRFS info (device loop2): turning on sync discard
[  603.276890][T10908] BTRFS info (device loop2): disabling free space tree
[  603.278854][T10908] BTRFS info (device loop2): has skinny extents
[  603.290857][T10910] loop4: detected capacity change from 0 to 32768
[  603.312713][T10910] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.986 (10910)
[  603.325756][T10912] loop3: detected capacity change from 0 to 32768
[  603.392273][T10912] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.987 (10912)
[  603.427098][T10916] loop1: detected capacity change from 0 to 32768
[  603.461356][T10916] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.985 (10916)
[  603.517602][T10914] loop0: detected capacity change from 0 to 32768
[  603.534100][T10912] loop3: detected capacity change from 0 to 256
[  603.536903][T10914] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.988 (10914)
[  603.538971][T10912] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  603.544675][T10912] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  603.546365][T10908] BTRFS info (device loop2): enabling ssd optimizations
[  603.558674][T10908] BTRFS info (device loop2): clearing free space tree
[  603.560860][T10908] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  603.563763][T10908] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  603.598828][T10912] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  603.630395][T10912] exFAT-fs (loop3): hint_cluster is invalid (17)
[  603.665189][T10912] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  603.667610][T10912] exFAT-fs (loop3): Filesystem has been set read-only
[  603.672860][ T9512] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (9512)
[  603.785558][T10916] loop1: detected capacity change from 0 to 256
[  603.807175][ T4342] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4342)
[  603.815919][T10916] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  603.819142][T10916] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  603.883344][T10916] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  603.929404][T10939] BTRFS warning (device loop2): failed to trim 1 block group(s), last error -512
[  603.946161][T10916] exFAT-fs (loop1): hint_cluster is invalid (17)
[  603.961342][T10916] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  603.963794][T10916] exFAT-fs (loop1): Filesystem has been set read-only
[  604.505024][T10944] loop0: detected capacity change from 0 to 32768
[  604.531608][T10944] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.991 (10944)
[  604.565642][T10944] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  604.568145][T10944] BTRFS info (device loop0): enabling auto defrag
[  604.570050][T10944] BTRFS info (device loop0): doing ref verification
[  604.572113][T10944] BTRFS info (device loop0): max_inline at 0
[  604.573854][T10944] BTRFS info (device loop0): force clearing of disk cache
[  604.575755][T10944] BTRFS info (device loop0): turning on sync discard
[  604.577494][T10944] BTRFS info (device loop0): disabling free space tree
[  604.612984][T10944] BTRFS info (device loop0): has skinny extents
[  604.621748][T10941] loop4: detected capacity change from 0 to 32768
[  604.658740][T10948] loop1: detected capacity change from 0 to 32768
[  604.666593][T10948] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.993 (10948)
[  604.685532][T10946] loop3: detected capacity change from 0 to 32768
[  604.691931][T10941] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.989 (10941)
[  604.753017][T10950] loop2: detected capacity change from 0 to 32768
[  604.755592][T10946] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.990 (10946)
[  604.776870][T10948] loop1: detected capacity change from 0 to 128
[  604.801721][T10950] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.992 (10950)
[  604.812136][T10948] UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256
[  604.827354][T10948] UDF-fs: error (device loop1): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  604.846975][ T9512] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (9512)
[  604.859503][T10944] BTRFS info (device loop0): enabling ssd optimizations
[  604.862522][T10944] BTRFS info (device loop0): clearing free space tree
[  604.864573][T10944] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  604.867314][T10944] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  604.984034][T10946] loop3: detected capacity change from 0 to 256
[  605.015065][T10946] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  605.018145][T10946] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  605.078201][T10946] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  605.108216][T10950] loop2: detected capacity change from 0 to 256
[  605.157530][T10946] exFAT-fs (loop3): hint_cluster is invalid (17)
[  605.187761][T10950] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  605.191678][T10950] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  605.198314][T10946] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  605.201284][T10946] exFAT-fs (loop3): Filesystem has been set read-only
[  605.216675][T10950] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  605.241601][T10950] exFAT-fs (loop2): hint_cluster is invalid (17)
[  605.257654][T10950] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  605.275244][T10950] exFAT-fs (loop2): Filesystem has been set read-only
[  605.792033][T10975] loop4: detected capacity change from 0 to 32768
[  605.795892][T10975] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.995 (10975)
[  605.806543][T10972] loop1: detected capacity change from 0 to 32768
[  605.839605][T10972] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.994 (10972)
[  605.965541][T10972] loop1: detected capacity change from 0 to 256
[  606.016221][T10972] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  606.020777][T10972] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  606.044692][ T9512] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (9512)
[  606.055985][T10972] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  606.086031][T10972] exFAT-fs (loop1): hint_cluster is invalid (17)
[  606.106310][T10981] loop2: detected capacity change from 0 to 32768
[  606.140115][T10972] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  606.142470][T10972] exFAT-fs (loop1): Filesystem has been set read-only
[  606.171831][T10979] loop3: detected capacity change from 0 to 32768
[  606.215006][T10979] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.996 (10979)
[  606.218669][T10981] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm
[  606.226492][T10981] BTRFS info (device loop2): enabling auto defrag
[  606.228519][T10981] BTRFS info (device loop2): doing ref verification
[  606.235624][T10981] BTRFS info (device loop2): max_inline at 0
[  606.250645][T10981] BTRFS info (device loop2): force clearing of disk cache
[  606.252771][T10981] BTRFS info (device loop2): turning on sync discard
[  606.254766][T10981] BTRFS info (device loop2): disabling free space tree
[  606.256792][T10981] BTRFS info (device loop2): has skinny extents
[  606.551944][T10979] loop3: detected capacity change from 0 to 256
[  606.585336][T10981] BTRFS info (device loop2): enabling ssd optimizations
[  606.587669][T10985] loop0: detected capacity change from 0 to 32768
[  606.596108][T10981] BTRFS info (device loop2): clearing free space tree
[  606.598217][T10981] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  606.603554][T10979] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  606.606793][T10979] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  606.630095][T10981] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  606.665835][T10979] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  606.708264][T10979] exFAT-fs (loop3): hint_cluster is invalid (17)
[  606.713232][T10985] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.998 (10985)
[  606.726297][T10979] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  606.728794][T10979] exFAT-fs (loop3): Filesystem has been set read-only
[  606.745049][T10987] loop4: detected capacity change from 0 to 256
[  606.797618][T10987] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  606.800963][T10987] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  606.819537][T10987] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  606.871805][T10987] exFAT-fs (loop4): hint_cluster is invalid (17)
[  606.890191][T10987] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  606.910632][T10987] exFAT-fs (loop4): Filesystem has been set read-only
[  606.968379][T10985] loop0: detected capacity change from 0 to 256
[  606.977098][T10991] loop1: detected capacity change from 0 to 32768
[  607.030593][T10985] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  607.033484][T10985] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  607.036064][T10991] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1000 (10991)
[  607.050966][T10985] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  607.172958][T10985] exFAT-fs (loop0): hint_cluster is invalid (17)
[  607.198446][T10985] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  607.231727][T10985] exFAT-fs (loop0): Filesystem has been set read-only
[  607.337450][T10991] loop1: detected capacity change from 0 to 256
[  607.401886][T10991] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  607.405090][T10991] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  607.427382][T10991] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  607.502703][T10991] exFAT-fs (loop1): hint_cluster is invalid (17)
[  607.510661][T10991] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  607.513008][T10991] exFAT-fs (loop1): Filesystem has been set read-only
[  607.552936][T11020] loop4: detected capacity change from 0 to 32768
1970/01/01 00:10:07 executed programs: 999
[  607.642169][T11020] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.1002 (11020)
[  607.647789][T11020] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  607.653480][T11020] BTRFS info (device loop4): enabling auto defrag
[  607.654164][T11015] loop3: detected capacity change from 0 to 32768
[  607.655241][T11020] BTRFS info (device loop4): doing ref verification
[  607.655278][T11020] BTRFS info (device loop4): max_inline at 0
[  607.699289][T11020] BTRFS info (device loop4): force clearing of disk cache
[  607.701416][T11020] BTRFS info (device loop4): turning on sync discard
[  607.703308][T11020] BTRFS info (device loop4): disabling free space tree
[  607.705192][T11020] BTRFS info (device loop4): has skinny extents
[  607.716099][T11015] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1001 (11015)
[  607.784157][T11023] loop2: detected capacity change from 0 to 32768
[  607.877489][T11023] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1003 (11023)
[  607.924826][T11025] loop0: detected capacity change from 0 to 32768
[  607.937527][T11020] BTRFS info (device loop4): enabling ssd optimizations
[  607.940952][T11020] BTRFS info (device loop4): clearing free space tree
[  607.942998][T11020] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  607.948062][T11015] loop3: detected capacity change from 0 to 256
[  607.959504][T11020] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  607.961570][T11025] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1004 (11025)
[  608.024076][T11027] loop1: detected capacity change from 0 to 32768
[  608.069435][T11015] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  608.072557][T11015] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  608.092006][T11027] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1005 (11027)
[  608.124284][T11015] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  608.131542][T11023] loop2: detected capacity change from 0 to 128
[  608.161081][T11023] UDF-fs: error (device loop2): udf_read_tagged: read failed, block=256, location=256
[  608.170743][T11015] exFAT-fs (loop3): hint_cluster is invalid (17)
[  608.173746][T11023] UDF-fs: error (device loop2): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  608.198502][T11015] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  608.210052][T11015] exFAT-fs (loop3): Filesystem has been set read-only
[  608.217318][T11025] loop0: detected capacity change from 0 to 256
[  608.272488][T11047] BTRFS warning (device loop4): failed to trim 1 block group(s), last error -512
[  608.289884][T11025] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  608.292922][T11025] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  608.306369][T11025] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  608.350290][T11025] exFAT-fs (loop0): hint_cluster is invalid (17)
[  608.354855][T11027] loop1: detected capacity change from 0 to 256
[  608.369998][T11025] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  608.372338][T11025] exFAT-fs (loop0): Filesystem has been set read-only
[  608.413476][T11027] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  608.416595][T11027] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  608.495654][T11027] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  608.551659][T11027] exFAT-fs (loop1): hint_cluster is invalid (17)
[  608.591505][T11027] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  608.594623][T11027] exFAT-fs (loop1): Filesystem has been set read-only
[  609.035557][T11051] loop2: detected capacity change from 0 to 32768
[  609.070734][T11051] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.1006 (11051)
[  609.094638][T11053] loop3: detected capacity change from 0 to 32768
[  609.097011][T11051] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm
[  609.099564][T11051] BTRFS info (device loop2): enabling auto defrag
[  609.101431][T11051] BTRFS info (device loop2): doing ref verification
[  609.103396][T11051] BTRFS info (device loop2): max_inline at 0
[  609.111812][T11051] BTRFS info (device loop2): force clearing of disk cache
[  609.113899][T11051] BTRFS info (device loop2): turning on sync discard
[  609.115822][T11051] BTRFS info (device loop2): disabling free space tree
[  609.117966][T11051] BTRFS info (device loop2): has skinny extents
[  609.137540][T11053] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1007 (11053)
[  609.246570][T11058] loop4: detected capacity change from 0 to 32768
[  609.267251][T11058] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1008 (11058)
[  609.294894][T11061] loop1: detected capacity change from 0 to 32768
[  609.312010][T11061] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1010 (11061)
[  609.318575][T11057] loop0: detected capacity change from 0 to 32768
[  609.351624][T11057] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1009 (11057)
[  609.365001][T11051] BTRFS info (device loop2): enabling ssd optimizations
[  609.368315][T11051] BTRFS info (device loop2): clearing free space tree
[  609.373582][T11051] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  609.397857][ T9513] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (9513)
[  609.409784][T11051] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  609.490800][ T9512] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (9512)
[  609.571415][ T4342] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4342)
[  609.634110][ T4247] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4247)
[  609.759304][T11087] BTRFS warning (device loop2): failed to trim 1 block group(s), last error -512
[  610.302117][T11088] loop3: detected capacity change from 0 to 32768
[  610.316934][T11088] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.1011 (11088)
[  610.332958][T11088] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm
[  610.347502][T11088] BTRFS info (device loop3): enabling auto defrag
[  610.357662][T11088] BTRFS info (device loop3): doing ref verification
[  610.360043][T11088] BTRFS info (device loop3): max_inline at 0
[  610.361807][T11088] BTRFS info (device loop3): force clearing of disk cache
[  610.363937][T11088] BTRFS info (device loop3): turning on sync discard
[  610.365803][T11088] BTRFS info (device loop3): disabling free space tree
[  610.378158][T11088] BTRFS info (device loop3): has skinny extents
[  610.393775][T11093] loop1: detected capacity change from 0 to 32768
[  610.403223][T11091] loop4: detected capacity change from 0 to 32768
[  610.471565][T11091] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1012 (11091)
[  610.492058][T11093] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1014 (11093)
[  610.530794][T11095] loop0: detected capacity change from 0 to 32768
[  610.556303][T11097] loop2: detected capacity change from 0 to 32768
[  610.564191][T11095] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1013 (11095)
[  610.619006][T11097] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1015 (11097)
[  610.638402][T11088] BTRFS info (device loop3): enabling ssd optimizations
[  610.650470][T11088] BTRFS info (device loop3): clearing free space tree
[  610.652486][T11088] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  610.655123][T11088] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  610.707609][T11095] loop0: detected capacity change from 0 to 256
[  610.711451][ T4342] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4342)
[  610.715902][ T9513] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (9513)
[  610.763737][T11095] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  610.766802][T11095] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  610.788702][T11095] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  610.843316][T11095] exFAT-fs (loop0): hint_cluster is invalid (17)
[  610.846733][T11097] loop2: detected capacity change from 0 to 256
[  610.886286][T11095] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  610.888728][T11095] exFAT-fs (loop0): Filesystem has been set read-only
[  610.892514][T11097] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  610.895561][T11097] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  610.921733][T11097] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  610.976266][T11097] exFAT-fs (loop2): hint_cluster is invalid (17)
[  611.054969][T11097] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  611.057360][T11097] exFAT-fs (loop2): Filesystem has been set read-only
[  611.710277][T11122] loop4: detected capacity change from 0 to 32768
[  611.719611][T11122] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.1017 (11122)
[  611.747427][T11122] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  611.757266][T11122] BTRFS info (device loop4): enabling auto defrag
[  611.760277][T11122] BTRFS info (device loop4): doing ref verification
[  611.762157][T11122] BTRFS info (device loop4): max_inline at 0
[  611.763869][T11122] BTRFS info (device loop4): force clearing of disk cache
[  611.765890][T11122] BTRFS info (device loop4): turning on sync discard
[  611.777461][T11125] loop1: detected capacity change from 0 to 32768
[  611.789460][T11122] BTRFS info (device loop4): disabling free space tree
[  611.791722][T11122] BTRFS info (device loop4): has skinny extents
[  611.818523][T11127] loop0: detected capacity change from 0 to 32768
[  611.857235][T11125] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1016 (11125)
[  611.868722][T11127] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1018 (11127)
[  611.889052][T11132] loop3: detected capacity change from 0 to 32768
[  611.904649][T11130] loop2: detected capacity change from 0 to 32768
[  611.932258][T11132] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1019 (11132)
[  611.993947][T11130] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1020 (11130)
[  612.009370][T11122] BTRFS info (device loop4): enabling ssd optimizations
[  612.013178][T11122] BTRFS info (device loop4): clearing free space tree
[  612.015266][T11122] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  612.018145][T11122] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  612.040024][ T4342] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4342)
[  612.106242][T11132] loop3: detected capacity change from 0 to 256
[  612.127886][T11132] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  612.131260][T11132] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  612.154178][ T9513] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (9513)
[  612.159468][ T4247] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4247)
[  612.228775][T11132] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  612.301202][T11132] exFAT-fs (loop3): hint_cluster is invalid (17)
[  612.324604][T11132] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  612.340097][T11132] exFAT-fs (loop3): Filesystem has been set read-only
[  612.343890][T11153] BTRFS warning (device loop4): failed to trim 1 block group(s), last error -512
[  613.031898][T11163] loop2: detected capacity change from 0 to 32768
[  613.038034][T11161] loop1: detected capacity change from 0 to 32768
[  613.054189][T11161] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.1021 (11161)
[  613.072999][T11158] loop0: detected capacity change from 0 to 32768
[  613.074327][T11161] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  613.075053][T11163] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1023 (11163)
[  613.077304][T11161] BTRFS info (device loop1): enabling auto defrag
[  613.097262][T11161] BTRFS info (device loop1): doing ref verification
[  613.107480][T11161] BTRFS info (device loop1): max_inline at 0
[  613.113513][T11161] BTRFS info (device loop1): force clearing of disk cache
[  613.124227][T11161] BTRFS info (device loop1): turning on sync discard
[  613.127763][T11161] BTRFS info (device loop1): disabling free space tree
[  613.136596][T11161] BTRFS info (device loop1): has skinny extents
[  613.168448][T11158] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1022 (11158)
[  613.242892][T11163] loop2: detected capacity change from 0 to 256
[  613.311780][T11163] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  613.314889][T11163] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  613.325500][T11163] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  613.343984][T11163] exFAT-fs (loop2): hint_cluster is invalid (17)
[  613.364769][T11163] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  613.387642][T11163] exFAT-fs (loop2): Filesystem has been set read-only
[  613.410368][T11168] loop4: detected capacity change from 0 to 32768
[  613.462029][T11166] loop3: detected capacity change from 0 to 32768
[  613.465484][T11168] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1024 (11168)
[  613.472104][T11161] BTRFS info (device loop1): enabling ssd optimizations
[  613.475587][T11161] BTRFS info (device loop1): clearing free space tree
[  613.475967][T11158] loop0: detected capacity change from 0 to 256
1970/01/01 00:10:13 executed programs: 1020
[  613.477496][T11161] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  613.491481][T11161] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  613.518323][T11166] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1025 (11166)
[  613.522695][T11158] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  613.525734][T11158] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  613.549045][T11158] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  613.640646][T11158] exFAT-fs (loop0): hint_cluster is invalid (17)
[  613.653907][T11158] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  613.656295][T11158] exFAT-fs (loop0): Filesystem has been set read-only
[  613.830721][T11168] loop4: detected capacity change from 0 to 256
[  613.844830][T11190] loop2: detected capacity change from 0 to 32768
[  613.856925][T11166] loop3: detected capacity change from 0 to 256
[  613.871654][T11168] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  613.876249][T11168] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  613.891308][T11166] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  613.891474][T11190] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1026 (11190)
[  613.894490][T11166] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  613.898320][T11168] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  613.927553][T11168] exFAT-fs (loop4): hint_cluster is invalid (17)
[  613.930759][T11166] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  613.940198][T11168] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  613.943180][T11168] exFAT-fs (loop4): Filesystem has been set read-only
[  614.011216][T11166] exFAT-fs (loop3): hint_cluster is invalid (17)
[  614.038008][T11166] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  614.049710][T11166] exFAT-fs (loop3): Filesystem has been set read-only
[  614.157627][T11190] loop2: detected capacity change from 0 to 256
[  614.217756][T11190] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  614.220871][T11190] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  614.248767][T11190] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  614.296165][T11190] exFAT-fs (loop2): hint_cluster is invalid (17)
[  614.308504][T11190] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  614.326219][T11190] exFAT-fs (loop2): Filesystem has been set read-only
[  614.565678][T11196] loop0: detected capacity change from 0 to 32768
[  614.611447][T11196] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.1027 (11196)
[  614.669607][T11202] loop1: detected capacity change from 0 to 32768
[  614.698556][T11196] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  614.707036][T11196] BTRFS info (device loop0): enabling auto defrag
[  614.712474][T11202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1028 (11202)
[  614.715610][T11196] BTRFS info (device loop0): doing ref verification
[  614.719412][T11196] BTRFS info (device loop0): max_inline at 0
[  614.721126][T11196] BTRFS info (device loop0): force clearing of disk cache
[  614.723103][T11196] BTRFS info (device loop0): turning on sync discard
[  614.725001][T11196] BTRFS info (device loop0): disabling free space tree
[  614.726925][T11196] BTRFS info (device loop0): has skinny extents
[  614.748240][T11204] loop3: detected capacity change from 0 to 32768
[  614.764414][T11201] loop4: detected capacity change from 0 to 32768
[  614.805488][T11204] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1030 (11204)
[  614.848858][T11201] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1029 (11201)
[  614.852595][T11196] BTRFS info (device loop0): enabling ssd optimizations
[  614.856289][T11196] BTRFS info (device loop0): clearing free space tree
[  614.858397][T11196] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  614.867199][T11196] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  614.870036][T11207] loop2: detected capacity change from 0 to 32768
[  614.916557][T11202] loop1: detected capacity change from 0 to 256
[  614.931636][T11207] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1031 (11207)
[  614.964476][T11202] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  614.988609][T11202] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  615.068628][T11202] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  615.118013][T11204] loop3: detected capacity change from 0 to 256
[  615.164529][T11201] loop4: detected capacity change from 0 to 256
[  615.165356][T11226] BTRFS warning (device loop0): failed to trim 1 block group(s), last error -512
[  615.168528][T11202] exFAT-fs (loop1): hint_cluster is invalid (17)
[  615.186293][T11202] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  615.188621][T11201] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  615.194117][T11204] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  615.197226][T11204] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  615.204304][T11202] exFAT-fs (loop1): Filesystem has been set read-only
[  615.206775][T11201] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  615.212835][T11204] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  615.255156][T11201] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  615.295831][T11204] exFAT-fs (loop3): hint_cluster is invalid (17)
[  615.319881][ T4247] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4247)
[  615.331311][T11204] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  615.333599][T11204] exFAT-fs (loop3): Filesystem has been set read-only
[  615.337617][T11201] exFAT-fs (loop4): hint_cluster is invalid (17)
[  615.343739][T11201] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  615.346093][T11201] exFAT-fs (loop4): Filesystem has been set read-only
[  616.156516][T11238] loop3: detected capacity change from 0 to 32768
[  616.166744][T11235] loop1: detected capacity change from 0 to 32768
[  616.180049][T11233] loop2: detected capacity change from 0 to 32768
[  616.186032][T11235] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.1033 (11235)
[  616.207423][T11235] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  616.210191][T11235] BTRFS info (device loop1): enabling auto defrag
[  616.212026][T11235] BTRFS info (device loop1): doing ref verification
[  616.224893][T11235] BTRFS info (device loop1): max_inline at 0
[  616.226670][T11235] BTRFS info (device loop1): force clearing of disk cache
[  616.228807][T11235] BTRFS info (device loop1): turning on sync discard
[  616.235280][T11238] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1035 (11238)
[  616.239397][T11235] BTRFS info (device loop1): disabling free space tree
[  616.241399][T11235] BTRFS info (device loop1): has skinny extents
[  616.260626][T11240] loop4: detected capacity change from 0 to 32768
[  616.281809][T11233] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1034 (11233)
[  616.286366][T11240] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1036 (11240)
[  616.305847][T11242] loop0: detected capacity change from 0 to 32768
[  616.310288][T11242] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1032 (11242)
[  616.331905][ T9512] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9512)
[  616.431412][T11238] loop3: detected capacity change from 0 to 256
[  616.530740][T11238] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  616.534083][T11238] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  616.539711][T11235] BTRFS info (device loop1): enabling ssd optimizations
[  616.542884][T11235] BTRFS info (device loop1): clearing free space tree
[  616.544973][T11235] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  616.547679][T11235] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  616.579802][T11238] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  616.623947][T11238] exFAT-fs (loop3): hint_cluster is invalid (17)
[  616.691306][T11238] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  616.693765][T11238] exFAT-fs (loop3): Filesystem has been set read-only
[  616.738114][T11242] loop0: detected capacity change from 0 to 256
[  616.918317][T11242] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  616.923507][T11242] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  616.993035][T11242] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  617.090498][T11242] exFAT-fs (loop0): hint_cluster is invalid (17)
[  617.106980][T11242] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  617.109529][T11242] exFAT-fs (loop0): Filesystem has been set read-only
[  617.269411][T11267] loop4: detected capacity change from 0 to 32768
[  617.293193][T11267] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.1037 (11267)
[  617.308501][T11267] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  617.318277][T11267] BTRFS info (device loop4): enabling auto defrag
[  617.320983][T11267] BTRFS info (device loop4): doing ref verification
[  617.343494][T11267] BTRFS info (device loop4): max_inline at 0
[  617.345207][T11267] BTRFS info (device loop4): force clearing of disk cache
[  617.347218][T11267] BTRFS info (device loop4): turning on sync discard
[  617.353601][T11267] BTRFS info (device loop4): disabling free space tree
[  617.355649][T11267] BTRFS info (device loop4): has skinny extents
[  617.425592][T11265] loop2: detected capacity change from 0 to 32768
[  617.464766][T11265] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1038 (11265)
[  617.596118][T11267] BTRFS info (device loop4): enabling ssd optimizations
[  617.600939][T11267] BTRFS info (device loop4): clearing free space tree
[  617.602910][T11267] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  617.612635][T11267] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  617.825879][ T9512] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9512)
[  617.974103][T11273] loop3: detected capacity change from 0 to 32768
[  618.008652][T11273] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1039 (11273)
[  618.202487][T11277] loop0: detected capacity change from 0 to 32768
[  618.271045][T11273] loop3: detected capacity change from 0 to 128
[  618.322192][T11277] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.1041 (11277)
[  618.379542][T11273] UDF-fs: error (device loop3): udf_read_tagged: read failed, block=256, location=256
[  618.386141][T11273] UDF-fs: error (device loop3): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  618.441311][T11277] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  618.443763][T11277] BTRFS info (device loop0): enabling auto defrag
[  618.445632][T11277] BTRFS info (device loop0): doing ref verification
[  618.447599][T11277] BTRFS info (device loop0): max_inline at 0
[  618.483373][T11277] BTRFS info (device loop0): force clearing of disk cache
[  618.485560][T11277] BTRFS info (device loop0): turning on sync discard
[  618.487474][T11277] BTRFS info (device loop0): disabling free space tree
[  618.493516][T11277] BTRFS info (device loop0): has skinny extents
[  618.623472][T11308] loop1: detected capacity change from 0 to 32768
[  618.666375][T11304] loop2: detected capacity change from 0 to 32768
[  618.685968][T11308] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1043 (11308)
[  618.713939][T11307] loop4: detected capacity change from 0 to 32768
[  618.756598][T11304] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1042 (11304)
[  618.771595][T11307] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1044 (11307)
[  618.784959][T11277] BTRFS info (device loop0): enabling ssd optimizations
[  618.788229][T11277] BTRFS info (device loop0): clearing free space tree
[  618.794634][T11277] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  618.809919][T11277] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  618.873725][T11310] loop3: detected capacity change from 0 to 32768
[  618.911133][T11308] loop1: detected capacity change from 0 to 256
[  618.916111][T11310] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1045 (11310)
[  618.931373][T11308] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  618.934432][T11308] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  618.960869][T11308] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  619.024137][T11308] exFAT-fs (loop1): hint_cluster is invalid (17)
[  619.026939][ T9512] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (9512)
1970/01/01 00:10:19 executed programs: 1040
[  619.093348][T11307] loop4: detected capacity change from 0 to 256
[  619.098393][T11308] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  619.101191][T11308] exFAT-fs (loop1): Filesystem has been set read-only
[  619.142327][T11307] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  619.145774][T11307] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  619.164014][T11307] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  619.187381][T11330] BTRFS warning (device loop0): failed to trim 1 block group(s), last error -512
[  619.227900][T11307] exFAT-fs (loop4): hint_cluster is invalid (17)
[  619.234110][T11307] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  619.239645][T11307] exFAT-fs (loop4): Filesystem has been set read-only
[  619.243504][T11310] loop3: detected capacity change from 0 to 256
[  619.292014][T11310] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  619.295237][T11310] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  619.446371][T11310] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  619.492024][T11310] exFAT-fs (loop3): hint_cluster is invalid (17)
[  619.518585][T11310] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  619.523265][T11310] exFAT-fs (loop3): Filesystem has been set read-only
[  619.751470][T11333] loop2: detected capacity change from 0 to 32768
[  619.781668][T11333] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.1046 (11333)
[  619.871111][T11333] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm
[  619.873707][T11333] BTRFS info (device loop2): enabling auto defrag
[  619.875560][T11333] BTRFS info (device loop2): doing ref verification
[  619.899319][T11333] BTRFS info (device loop2): max_inline at 0
[  619.901003][T11333] BTRFS info (device loop2): force clearing of disk cache
[  619.903026][T11333] BTRFS info (device loop2): turning on sync discard
[  619.904887][T11333] BTRFS info (device loop2): disabling free space tree
[  619.906804][T11333] BTRFS info (device loop2): has skinny extents
[  619.965307][T11339] loop4: detected capacity change from 0 to 32768
[  620.076941][T11336] loop1: detected capacity change from 0 to 32768
[  620.095767][T11339] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1049 (11339)
[  620.175447][T11336] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1047 (11336)
[  620.262560][T11333] BTRFS info (device loop2): enabling ssd optimizations
[  620.265716][T11333] BTRFS info (device loop2): clearing free space tree
[  620.268992][T11333] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  620.301354][ T4247] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4247)
[  620.321140][T11333] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  620.340508][T11342] loop0: detected capacity change from 0 to 32768
[  620.378646][T11344] loop3: detected capacity change from 0 to 32768
[  620.389603][ T4342] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4342)
[  620.422609][T11342] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1048 (11342)
[  620.465215][T11344] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1050 (11344)
[  620.640664][T11342] loop0: detected capacity change from 0 to 256
[  620.702879][T11342] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  620.706147][T11342] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  620.713208][T11344] loop3: detected capacity change from 0 to 256
[  620.725207][T11342] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  620.775790][T11342] exFAT-fs (loop0): hint_cluster is invalid (17)
[  620.782780][T11344] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  620.785965][T11344] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  620.795620][T11342] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  620.797902][T11342] exFAT-fs (loop0): Filesystem has been set read-only
[  620.811793][T11344] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  620.866601][T11344] exFAT-fs (loop3): hint_cluster is invalid (17)
[  620.874304][T11344] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  620.876681][T11344] exFAT-fs (loop3): Filesystem has been set read-only
[  621.185328][T11368] loop4: detected capacity change from 0 to 32768
[  621.211326][T11368] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1051 (11368)
[  621.307449][T11372] loop1: detected capacity change from 0 to 32768
[  621.390750][T11368] loop4: detected capacity change from 0 to 256
[  621.417824][T11368] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  621.423534][T11368] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  621.428070][T11372] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.1052 (11372)
[  621.454728][T11368] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  621.485075][T11368] exFAT-fs (loop4): hint_cluster is invalid (17)
[  621.512466][T11368] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  621.514820][T11368] exFAT-fs (loop4): Filesystem has been set read-only
[  621.526904][T11372] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  621.529521][T11372] BTRFS info (device loop1): enabling auto defrag
[  621.531326][T11372] BTRFS info (device loop1): doing ref verification
[  621.533183][T11372] BTRFS info (device loop1): max_inline at 0
[  621.534847][T11372] BTRFS info (device loop1): force clearing of disk cache
[  621.536927][T11372] BTRFS info (device loop1): turning on sync discard
[  621.538896][T11372] BTRFS info (device loop1): disabling free space tree
[  621.558976][T11372] BTRFS info (device loop1): has skinny extents
[  621.826610][T11375] loop0: detected capacity change from 0 to 32768
[  621.832145][T11387] loop4: detected capacity change from 0 to 32768
[  621.864121][T11372] BTRFS info (device loop1): enabling ssd optimizations
[  621.867415][T11372] BTRFS info (device loop1): clearing free space tree
[  621.873260][T11372] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  621.876063][T11372] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  621.891149][T11375] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1053 (11375)
[  621.931015][T11387] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1056 (11387)
[  622.020109][ T4342] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4342)
[  622.082539][T11378] loop3: detected capacity change from 0 to 32768
[  622.102803][T11378] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1055 (11378)
[  622.158905][T11375] loop0: detected capacity change from 0 to 256
[  622.190257][T11375] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  622.193277][T11375] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  622.237547][T11375] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  622.283713][T11375] exFAT-fs (loop0): hint_cluster is invalid (17)
[  622.322092][T11375] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  622.324560][T11375] exFAT-fs (loop0): Filesystem has been set read-only
[  622.344779][T11378] loop3: detected capacity change from 0 to 256
[  622.362162][T11378] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  622.365325][T11378] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  622.380207][T11381] loop2: detected capacity change from 0 to 32768
[  622.395649][T11378] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  622.446077][T11381] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1054 (11381)
[  622.462628][T11378] exFAT-fs (loop3): hint_cluster is invalid (17)
[  622.489529][T11378] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  622.509310][T11378] exFAT-fs (loop3): Filesystem has been set read-only
[  622.590888][ T2056] ieee802154 phy0 wpan0: encryption failed: -22
[  622.592837][ T2056] ieee802154 phy1 wpan1: encryption failed: -22
[  622.721926][T11381] loop2: detected capacity change from 0 to 256
[  622.789455][T11381] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  622.792449][T11381] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  622.802801][T11381] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  622.857938][T11381] exFAT-fs (loop2): hint_cluster is invalid (17)
[  622.870850][T11381] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  622.873107][T11381] exFAT-fs (loop2): Filesystem has been set read-only
[  623.203628][T11410] loop0: detected capacity change from 0 to 32768
[  623.271233][T11410] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.1058 (11410)
[  623.295409][T11410] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  623.297956][T11410] BTRFS info (device loop0): enabling auto defrag
[  623.301568][T11410] BTRFS info (device loop0): doing ref verification
[  623.303578][T11410] BTRFS info (device loop0): max_inline at 0
[  623.305296][T11410] BTRFS info (device loop0): force clearing of disk cache
[  623.307411][T11410] BTRFS info (device loop0): turning on sync discard
[  623.321073][T11415] loop4: detected capacity change from 0 to 32768
[  623.329623][T11410] BTRFS info (device loop0): disabling free space tree
[  623.332051][T11415] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1059 (11415)
[  623.336441][T11410] BTRFS info (device loop0): has skinny extents
[  623.373570][T11417] loop3: detected capacity change from 0 to 32768
[  623.466737][T11417] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1060 (11417)
[  623.526067][ T4247] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4247)
[  623.656833][T11410] BTRFS info (device loop0): enabling ssd optimizations
[  623.674329][T11410] BTRFS info (device loop0): clearing free space tree
[  623.676491][T11410] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  623.680900][T11410] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  623.812476][T11417] loop3: detected capacity change from 0 to 128
[  623.839367][T11417] UDF-fs: error (device loop3): udf_read_tagged: read failed, block=256, location=256
[  623.875111][T11417] UDF-fs: error (device loop3): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  623.885881][T11421] loop2: detected capacity change from 0 to 32768
[  623.952374][T11421] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1061 (11421)
[  624.259581][ T4247] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by udevd (4247)
1970/01/01 00:10:24 executed programs: 1060
[  624.453497][T11444] loop1: detected capacity change from 0 to 32768
[  624.487566][T11444] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  624.496585][T11444] BTRFS info (device loop1): enabling auto defrag
[  624.508833][T11444] BTRFS info (device loop1): doing ref verification
[  624.516878][T11444] BTRFS info (device loop1): max_inline at 0
[  624.518731][T11444] BTRFS info (device loop1): force clearing of disk cache
[  624.531228][T11444] BTRFS info (device loop1): turning on sync discard
[  624.533295][T11444] BTRFS info (device loop1): disabling free space tree
[  624.535335][T11444] BTRFS info (device loop1): has skinny extents
[  624.542229][T11445] loop4: detected capacity change from 0 to 32768
[  624.601798][T11445] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1063 (11445)
[  624.707572][T11450] loop3: detected capacity change from 0 to 32768
[  624.784229][T11444] BTRFS info (device loop1): enabling ssd optimizations
[  624.787825][T11444] BTRFS info (device loop1): clearing free space tree
[  624.791218][T11444] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  624.794146][T11450] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1064 (11450)
[  624.797471][T11444] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  624.802484][T11452] loop0: detected capacity change from 0 to 32768
[  624.860047][T11452] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1065 (11452)
[  625.022356][T11450] loop3: detected capacity change from 0 to 256
[  625.043141][T11450] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  625.050724][T11450] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  625.105504][T11476] BTRFS warning (device loop1): failed to trim 1 block group(s), last error -512
[  625.108098][T11450] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  625.125958][T11452] loop0: detected capacity change from 0 to 256
[  625.133465][T11450] exFAT-fs (loop3): hint_cluster is invalid (17)
[  625.147338][T11450] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  625.151975][T11452] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  625.155264][T11452] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  625.189290][T11450] exFAT-fs (loop3): Filesystem has been set read-only
[  625.194405][T11456] loop2: detected capacity change from 0 to 32768
[  625.228530][T11456] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1066 (11456)
[  625.269706][T11452] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  625.341599][T11452] exFAT-fs (loop0): hint_cluster is invalid (17)
[  625.346417][T11452] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  625.348794][T11452] exFAT-fs (loop0): Filesystem has been set read-only
[  625.476077][ T9513] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 11 /dev/loop1 scanned by udevd (9513)
[  625.490035][T11456] loop2: detected capacity change from 0 to 256
[  625.533705][T11456] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  625.537126][T11456] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  625.565163][T11456] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  625.598720][T11456] exFAT-fs (loop2): hint_cluster is invalid (17)
[  625.634854][T11456] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  625.646690][T11456] exFAT-fs (loop2): Filesystem has been set read-only
[  625.694507][T11479] loop4: detected capacity change from 0 to 32768
[  625.996262][T11479] loop4: detected capacity change from 0 to 128
[  626.038803][T11479] UDF-fs: error (device loop4): udf_read_tagged: read failed, block=256, location=256
[  626.050410][T11479] UDF-fs: error (device loop4): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  626.083858][T11483] loop3: detected capacity change from 0 to 32768
[  626.247653][T11487] loop0: detected capacity change from 0 to 32768
[  626.331185][T11483] loop3: detected capacity change from 0 to 256
[  626.367873][T11490] loop2: detected capacity change from 0 to 32768
[  626.388814][T11483] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  626.395976][T11483] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  626.417742][T11483] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  626.457373][T11483] exFAT-fs (loop3): hint_cluster is invalid (17)
[  626.471632][T11483] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  626.474003][T11483] exFAT-fs (loop3): Filesystem has been set read-only
[  626.528752][T11487] loop0: detected capacity change from 0 to 256
[  626.591632][T11487] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  626.594807][T11487] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  626.634289][T11487] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  626.686530][T11487] exFAT-fs (loop0): hint_cluster is invalid (17)
[  626.697095][T11492] loop4: detected capacity change from 0 to 32768
[  626.700041][T11487] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  626.704929][T11487] exFAT-fs (loop0): Filesystem has been set read-only
[  626.714467][T11490] loop2: detected capacity change from 0 to 256
[  626.733878][T11490] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  626.749306][T11490] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  626.767471][T11490] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  626.825674][T11490] exFAT-fs (loop2): hint_cluster is invalid (17)
[  626.835482][T11490] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  626.837887][T11490] exFAT-fs (loop2): Filesystem has been set read-only
[  626.932742][T11492] loop4: detected capacity change from 0 to 256
[  626.991185][T11495] loop1: detected capacity change from 0 to 32768
[  627.023438][T11492] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  627.027528][T11492] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  627.064181][T11492] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  627.101064][T11492] exFAT-fs (loop4): hint_cluster is invalid (17)
[  627.116028][T11495] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  627.118566][T11495] BTRFS info (device loop1): enabling auto defrag
[  627.120732][T11495] BTRFS info (device loop1): doing ref verification
[  627.121444][T11492] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  627.122560][T11495] BTRFS info (device loop1): max_inline at 0
[  627.124882][T11492] exFAT-fs (loop4): Filesystem has been set read-only
[  627.126707][T11495] BTRFS info (device loop1): force clearing of disk cache
[  627.126731][T11495] BTRFS info (device loop1): turning on sync discard
[  627.126751][T11495] BTRFS info (device loop1): disabling free space tree
[  627.166164][T11495] BTRFS info (device loop1): has skinny extents
[  627.205330][T11497] loop3: detected capacity change from 0 to 32768
[  627.232450][T11497] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1074 (11497)
[  627.305510][T11500] loop0: detected capacity change from 0 to 32768
[  627.358589][T11500] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1075 (11500)
[  627.450744][T11503] loop2: detected capacity change from 0 to 32768
[  627.464368][T11495] BTRFS info (device loop1): enabling ssd optimizations
[  627.467489][T11495] BTRFS info (device loop1): clearing free space tree
[  627.471170][T11495] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  627.473846][T11495] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  627.511483][T11503] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1076 (11503)
[  627.578095][T11497] loop3: detected capacity change from 0 to 256
[  627.615649][ T9512] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (9512)
[  627.654317][T11503] loop2: detected capacity change from 0 to 256
[  627.665684][T11511] loop4: detected capacity change from 0 to 32768
[  627.700915][T11503] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  627.704189][T11503] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  627.706848][T11511] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1077 (11511)
[  627.751306][T11497] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  627.754427][T11497] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  627.764411][T11503] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  627.767333][T11497] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  627.817802][T11503] exFAT-fs (loop2): hint_cluster is invalid (17)
[  627.853077][T11503] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  627.855358][T11503] exFAT-fs (loop2): Filesystem has been set read-only
[  627.872161][T11497] exFAT-fs (loop3): hint_cluster is invalid (17)
[  627.889336][T11527] BTRFS warning (device loop1): failed to trim 1 block group(s), last error -512
[  627.901774][T11497] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  627.904118][T11497] exFAT-fs (loop3): Filesystem has been set read-only
[  628.012416][T11511] loop4: detected capacity change from 0 to 256
[  628.088556][T11511] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  628.104669][T11511] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  628.111299][T11511] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  628.172596][T11511] exFAT-fs (loop4): hint_cluster is invalid (17)
[  628.223670][T11511] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  628.226093][T11511] exFAT-fs (loop4): Filesystem has been set read-only
[  628.700483][T11531] loop0: detected capacity change from 0 to 32768
[  628.741826][T11531] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.1078 (11531)
[  628.856833][T11531] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  628.859599][T11531] BTRFS info (device loop0): enabling auto defrag
[  628.861568][T11531] BTRFS info (device loop0): doing ref verification
[  628.863526][T11531] BTRFS info (device loop0): max_inline at 0
[  628.865172][T11531] BTRFS info (device loop0): force clearing of disk cache
[  628.908023][T11531] BTRFS info (device loop0): turning on sync discard
[  628.918193][T11531] BTRFS info (device loop0): disabling free space tree
[  628.934322][T11537] loop3: detected capacity change from 0 to 32768
[  628.936536][T11531] BTRFS info (device loop0): has skinny extents
[  628.963333][T11536] loop2: detected capacity change from 0 to 32768
[  629.011613][T11536] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1080 (11536)
[  629.048750][T11542] loop4: detected capacity change from 0 to 32768
[  629.068881][T11540] loop1: detected capacity change from 0 to 32768
[  629.072572][T11537] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1081 (11537)
[  629.118294][T11542] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1082 (11542)
[  629.124481][T11540] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1079 (11540)
[  629.168418][T11531] BTRFS info (device loop0): enabling ssd optimizations
[  629.171295][ T4342] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4342)
[  629.177946][T11531] BTRFS info (device loop0): clearing free space tree
[  629.180755][T11531] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  629.183546][T11531] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  629.343715][T11536] loop2: detected capacity change from 0 to 256
[  629.370894][T11537] loop3: detected capacity change from 0 to 256
[  629.383430][T11536] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  629.386628][T11536] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  629.434495][T11537] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  629.437766][T11537] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  629.444550][T11536] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  629.485699][T11540] loop1: detected capacity change from 0 to 256
[  629.491092][T11537] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  629.506430][T11536] exFAT-fs (loop2): hint_cluster is invalid (17)
[  629.529783][T11536] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  629.532102][T11536] exFAT-fs (loop2): Filesystem has been set read-only
[  629.541280][T11540] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  629.544464][T11540] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  629.548518][T11537] exFAT-fs (loop3): hint_cluster is invalid (17)
[  629.581087][T11563] BTRFS warning (device loop0): failed to trim 1 block group(s), last error -512
[  629.591628][T11537] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  629.597488][T11537] exFAT-fs (loop3): Filesystem has been set read-only
[  629.607342][T11540] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
1970/01/01 00:10:29 executed programs: 1078
[  629.648414][T11540] exFAT-fs (loop1): hint_cluster is invalid (17)
[  629.673548][T11540] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  629.691048][T11540] exFAT-fs (loop1): Filesystem has been set read-only
[  630.252714][T11566] loop4: detected capacity change from 0 to 32768
[  630.292325][T11566] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.1083 (11566)
[  630.299585][T11566] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  630.302881][T11566] BTRFS info (device loop4): enabling auto defrag
[  630.304690][T11566] BTRFS info (device loop4): doing ref verification
[  630.306638][T11566] BTRFS info (device loop4): max_inline at 0
[  630.308452][T11566] BTRFS info (device loop4): force clearing of disk cache
[  630.349393][T11566] BTRFS info (device loop4): turning on sync discard
[  630.351588][T11566] BTRFS info (device loop4): disabling free space tree
[  630.353531][T11566] BTRFS info (device loop4): has skinny extents
[  630.496963][T11573] loop2: detected capacity change from 0 to 32768
[  630.581041][T11573] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1085 (11573)
[  630.595485][T11574] loop3: detected capacity change from 0 to 32768
[  630.632889][ T4346] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4346)
[  630.654081][T11575] loop0: detected capacity change from 0 to 32768
[  630.688330][T11574] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1086 (11574)
[  630.765577][T11575] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1084 (11575)
[  630.844136][T11566] BTRFS info (device loop4): enabling ssd optimizations
[  630.847621][T11566] BTRFS info (device loop4): clearing free space tree
[  630.854790][T11566] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  630.857515][T11566] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  630.894354][T11577] loop1: detected capacity change from 0 to 32768
[  630.931963][ T4342] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4342)
[  631.013146][T11575] loop0: detected capacity change from 0 to 256
[  631.021652][T11577] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1087 (11577)
[  631.104775][T11575] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  631.108211][T11575] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  631.151362][T11575] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  631.222112][T11575] exFAT-fs (loop0): hint_cluster is invalid (17)
[  631.228590][T11575] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  631.246048][T11575] exFAT-fs (loop0): Filesystem has been set read-only
[  631.321338][T11577] loop1: detected capacity change from 0 to 256
[  631.362777][T11577] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  631.365960][T11577] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  631.377392][T11577] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  631.441205][T11577] exFAT-fs (loop1): hint_cluster is invalid (17)
[  631.465720][T11577] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  631.468144][T11577] exFAT-fs (loop1): Filesystem has been set read-only
[  631.713462][T11601] loop2: detected capacity change from 0 to 32768
[  631.730378][T11601] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.1088 (11601)
[  631.738407][T11604] loop3: detected capacity change from 0 to 32768
[  631.761275][T11601] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm
[  631.763838][T11601] BTRFS info (device loop2): enabling auto defrag
[  631.766978][T11604] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1089 (11604)
[  631.769292][T11601] BTRFS info (device loop2): doing ref verification
[  631.772208][T11601] BTRFS info (device loop2): max_inline at 0
[  631.773981][T11601] BTRFS info (device loop2): force clearing of disk cache
[  631.775992][T11601] BTRFS info (device loop2): turning on sync discard
[  631.777811][T11601] BTRFS info (device loop2): disabling free space tree
[  631.795345][T11601] BTRFS info (device loop2): has skinny extents
[  632.007317][T11610] loop0: detected capacity change from 0 to 32768
[  632.012362][T11610] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1091 (11610)
[  632.056322][T11601] BTRFS info (device loop2): enabling ssd optimizations
[  632.065553][T11601] BTRFS info (device loop2): clearing free space tree
[  632.067939][T11601] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  632.094362][T11601] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  632.145607][ T4342] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4342)
[  632.224523][T11608] loop4: detected capacity change from 0 to 256
[  632.257061][T11608] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  632.260471][T11608] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  632.291197][T11608] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  632.335428][T11608] exFAT-fs (loop4): hint_cluster is invalid (17)
[  632.371826][T11608] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  632.374334][T11608] exFAT-fs (loop4): Filesystem has been set read-only
[  632.426898][T11613] loop1: detected capacity change from 0 to 32768
[  632.479436][T11637] BTRFS warning (device loop2): failed to trim 1 block group(s), last error -512
[  632.506187][T11613] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1092 (11613)
[  632.591406][T11635] loop3: detected capacity change from 0 to 32768
[  632.629415][T11635] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1093 (11635)
[  632.737779][T11613] loop1: detected capacity change from 0 to 256
[  632.783733][T11613] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  632.786752][T11613] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  632.842293][T11613] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  632.858041][T11613] exFAT-fs (loop1): hint_cluster is invalid (17)
[  632.868219][T11613] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  632.885240][T11613] exFAT-fs (loop1): Filesystem has been set read-only
[  632.916963][T11635] loop3: detected capacity change from 0 to 128
[  632.939095][T11635] UDF-fs: error (device loop3): udf_read_tagged: read failed, block=256, location=256
[  632.968794][T11635] UDF-fs: error (device loop3): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
[  633.210763][T11641] loop0: detected capacity change from 0 to 32768
[  633.225033][T11643] loop4: detected capacity change from 0 to 32768
[  633.261566][T11641] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.1094 (11641)
[  633.271585][T11643] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1095 (11643)
[  633.285413][T11641] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
[  633.294808][T11641] BTRFS info (device loop0): enabling auto defrag
[  633.296832][T11641] BTRFS info (device loop0): doing ref verification
[  633.299150][T11641] BTRFS info (device loop0): max_inline at 0
[  633.307119][T11641] BTRFS info (device loop0): force clearing of disk cache
[  633.315170][T11641] BTRFS info (device loop0): turning on sync discard
[  633.317482][T11641] BTRFS info (device loop0): disabling free space tree
[  633.327654][T11641] BTRFS info (device loop0): has skinny extents
[  633.407584][T11645] loop2: detected capacity change from 0 to 32768
[  633.461726][T11645] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1096 (11645)
[  633.532720][T11643] loop4: detected capacity change from 0 to 256
[  633.588439][T11643] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  633.595246][T11643] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  633.625695][T11645] loop2: detected capacity change from 0 to 256
[  633.648509][T11643] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  633.687313][T11645] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  633.687367][T11641] BTRFS info (device loop0): enabling ssd optimizations
[  633.695071][T11641] BTRFS info (device loop0): clearing free space tree
[  633.697017][T11641] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  633.699870][T11641] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  633.702044][T11643] exFAT-fs (loop4): hint_cluster is invalid (17)
[  633.713097][T11643] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  633.715519][T11643] exFAT-fs (loop4): Filesystem has been set read-only
[  633.727297][T11645] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  633.756203][T11645] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  633.796545][T11649] loop3: detected capacity change from 0 to 32768
[  633.818852][T11647] loop1: detected capacity change from 0 to 32768
[  633.838093][T11649] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1098 (11649)
[  633.871394][T11645] exFAT-fs (loop2): hint_cluster is invalid (17)
[  633.900432][T11645] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  633.905224][T11645] exFAT-fs (loop2): Filesystem has been set read-only
[  633.916139][ T4905] ------------[ cut here ]------------
[  633.943784][ T4905] WARNING: CPU: 0 PID: 4905 at fs/btrfs/inode.c:3151 btrfs_finish_ordered_io+0x1254/0x1504
[  633.946730][ T4905] Modules linked in:
[  633.947844][ T4905] CPU: 0 PID: 4905 Comm: kworker/u4:9 Not tainted 5.15.180-syzkaller #0
[  633.950317][ T4905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[  633.953151][ T4905] Workqueue: btrfs-endio-write btrfs_work_helper
[  633.954945][ T4905] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  633.957124][ T4905] pc : btrfs_finish_ordered_io+0x1254/0x1504
[  633.958777][ T4905] lr : btrfs_finish_ordered_io+0x1254/0x1504
[  633.960404][ T4905] sp : ffff800021517880
[  633.961541][ T4905] x29: ffff800021517a20 x28: ffff0000dd59f478 x27: 1fffe0001bab3e8f
[  633.963721][ T4905] x26: 0000000000000000 x25: 00000000ffffffe4 x24: dfff800000000000
[  633.966012][ T4905] x23: ffff0000da283168 x22: ffff0000da2831a0 x21: ffff0000e5ae93a0
[  633.968339][ T4905] x20: 1fffe0001b450634 x19: ffff0000dd59f420 x18: 0000000000000001
[  633.970683][ T4905] x17: 0000000000000000 x16: ffff80001119ef40 x15: 00000000ffffffff
[  633.972966][ T4905] x14: 0000000000ff0100 x13: fffffffffffeadf0 x12: 0000000000ff0100
[  633.975211][ T4905] x11: 0000000000000000 x10: 0000000000000000 x9 : efd94a752b595200
[  633.977497][ T4905] x8 : efd94a752b595200 x7 : fffffffffffeadf0 x6 : fffffffffffeadb0
[  633.979380][ T9512] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (9512)
[  633.979795][ T4905] x5 : ffff800021517178 x4 : ffff80001420da40 x3 : ffff800008503f9c
[  633.985067][ T4905] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
[  633.987328][ T4905] Call trace:
[  633.988262][ T4905]  btrfs_finish_ordered_io+0x1254/0x1504
[  633.989901][ T4905]  finish_ordered_fn+0x20/0x30
[  633.991274][ T4905]  btrfs_work_helper+0x328/0x13a0
[  633.992824][ T4905]  process_one_work+0x79c/0x1140
[  633.994275][ T4905]  worker_thread+0x8f4/0x101c
[  633.995604][ T4905]  kthread+0x374/0x454
[  633.996809][ T4905]  ret_from_fork+0x10/0x20
[  633.998080][ T4905] irq event stamp: 6087852
[  633.999302][ T4905] hardirqs last  enabled at (6087851): [<ffff8000082f7dc0>] __up_console_sem+0xb4/0x100
[  634.002089][ T4905] hardirqs last disabled at (6087852): [<ffff80001119a800>] el1_dbg+0x24/0x80
[  634.004620][ T4905] softirqs last  enabled at (6087644): [<ffff80000819d8d8>] handle_softirqs+0xa4c/0xbf0
[  634.007456][ T4905] softirqs last disabled at (6087591): [<ffff80000819dedc>] __irq_exit_rcu+0x240/0x440
[  634.010185][ T4905] ---[ end trace df6382f8b492703d ]---
[  634.030074][T11671] BTRFS warning (device loop0): failed to trim 1 block group(s), last error -512
[  634.073590][T11647] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1097 (11647)
[  634.161775][ T4905] BTRFS: error (device loop0) in btrfs_finish_ordered_io:3151: errno=-28 No space left
[  634.164706][ T4905] BTRFS info (device loop0): forced readonly
[  634.427684][T11647] loop1: detected capacity change from 0 to 128
[  634.535394][T11647] UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256
[  634.556524][T11647] UDF-fs: error (device loop1): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
1970/01/01 00:10:34 executed programs: 1097
[  634.744288][T11679] loop2: detected capacity change from 0 to 32768
[  634.760880][T11674] loop4: detected capacity change from 0 to 32768
[  634.798949][T11679] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.1100 (11679)
[  634.837964][T11679] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm
[  634.842085][T11679] BTRFS info (device loop2): enabling auto defrag
[  634.843866][T11679] BTRFS info (device loop2): doing ref verification
[  634.845796][T11679] BTRFS info (device loop2): max_inline at 0
[  634.860933][T11674] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1099 (11674)
[  634.880511][T11679] BTRFS info (device loop2): force clearing of disk cache
[  634.882662][T11679] BTRFS info (device loop2): turning on sync discard
[  634.884564][T11679] BTRFS info (device loop2): disabling free space tree
[  634.896891][T11679] BTRFS info (device loop2): has skinny extents
[  634.956052][T11681] loop3: detected capacity change from 0 to 32768
[  635.022425][T11681] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1102 (11681)
[  635.093168][T11674] loop4: detected capacity change from 0 to 256
[  635.129570][T11685] loop1: detected capacity change from 0 to 32768
[  635.181549][T11674] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  635.187402][T11674] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  635.191159][T11685] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1103 (11685)
[  635.218075][T11674] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  635.236458][ T9512] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (9512)
[  635.269383][T11679] BTRFS info (device loop2): enabling ssd optimizations
[  635.279769][T11679] BTRFS info (device loop2): clearing free space tree
[  635.281820][T11679] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  635.284789][T11679] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  635.285235][T11683] loop0: detected capacity change from 0 to 32768
[  635.299070][T11674] exFAT-fs (loop4): hint_cluster is invalid (17)
[  635.329522][T11674] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  635.332109][T11674] exFAT-fs (loop4): Filesystem has been set read-only
[  635.365760][ T4342] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4342)
[  635.374244][T11683] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1101 (11683)
[  635.590552][T11708] BTRFS warning (device loop2): failed to trim 1 block group(s), last error -512
[  635.615168][T11683] loop0: detected capacity change from 0 to 256
[  635.686499][T11683] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  635.690321][T11683] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  635.710592][T11683] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  635.798937][T11683] exFAT-fs (loop0): hint_cluster is invalid (17)
[  635.825482][T11683] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  635.828301][T11683] exFAT-fs (loop0): Filesystem has been set read-only
[  636.251555][T11710] loop4: detected capacity change from 0 to 32768
[  636.262008][T11713] loop3: detected capacity change from 0 to 32768
[  636.264162][T11710] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.1105 (11710)
[  636.311543][T11713] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1104 (11713)
[  636.326711][T11710] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  636.329320][T11710] BTRFS info (device loop4): enabling auto defrag
[  636.331235][T11710] BTRFS info (device loop4): doing ref verification
[  636.333936][T11710] BTRFS info (device loop4): max_inline at 0
[  636.335622][T11710] BTRFS info (device loop4): force clearing of disk cache
[  636.337744][T11710] BTRFS info (device loop4): turning on sync discard
[  636.361707][T11710] BTRFS info (device loop4): disabling free space tree
[  636.363850][T11710] BTRFS info (device loop4): has skinny extents
[  636.376541][T11718] loop2: detected capacity change from 0 to 32768
[  636.391268][T11718] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1107 (11718)
[  636.406203][T11715] loop1: detected capacity change from 0 to 32768
[  636.488024][T11710] BTRFS info (device loop4): enabling ssd optimizations
[  636.493056][T11710] BTRFS info (device loop4): clearing free space tree
[  636.495244][T11710] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  636.497431][T11713] loop3: detected capacity change from 0 to 256
[  636.503167][T11710] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  636.524038][T11715] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1106 (11715)
[  636.565812][T11718] loop2: detected capacity change from 0 to 256
[  636.585406][ T4247] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4247)
[  636.592624][T11713] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  636.592661][T11718] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  636.595842][T11713] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  636.613872][T11713] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  636.624921][T11718] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  636.693458][T11713] exFAT-fs (loop3): hint_cluster is invalid (17)
[  636.728667][T11718] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  636.736502][T11713] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  636.752536][T11713] exFAT-fs (loop3): Filesystem has been set read-only
[  636.773521][T11718] exFAT-fs (loop2): hint_cluster is invalid (17)
[  636.805793][T11718] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  636.808123][T11718] exFAT-fs (loop2): Filesystem has been set read-only
[  636.891104][T11720] loop0: detected capacity change from 0 to 32768
[  636.922014][T11720] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1108 (11720)
[  637.147034][T11720] loop0: detected capacity change from 0 to 256
[  637.198318][T11720] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  637.201484][T11720] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  637.242330][T11720] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  637.285326][T11720] exFAT-fs (loop0): hint_cluster is invalid (17)
[  637.308079][T11720] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  637.310655][T11720] exFAT-fs (loop0): Filesystem has been set read-only
[  637.638552][T11746] loop1: detected capacity change from 0 to 32768
[  637.698289][T11750] loop3: detected capacity change from 0 to 32768
[  637.703316][T11748] loop2: detected capacity change from 0 to 32768
[  637.737882][T11746] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.1110 (11746)
[  637.800026][T11746] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  637.802506][T11746] BTRFS info (device loop1): enabling auto defrag
[  637.804257][T11746] BTRFS info (device loop1): doing ref verification
[  637.806053][T11746] BTRFS info (device loop1): max_inline at 0
[  637.818380][T11746] BTRFS info (device loop1): force clearing of disk cache
[  637.824625][T11748] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1111 (11748)
[  637.828562][T11746] BTRFS info (device loop1): turning on sync discard
[  637.833101][T11746] BTRFS info (device loop1): disabling free space tree
[  637.835105][T11746] BTRFS info (device loop1): has skinny extents
[  637.896920][T11750] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1109 (11750)
[  637.997447][T11754] loop0: detected capacity change from 0 to 32768
[  638.031645][T11754] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1113 (11754)
[  638.049626][T11746] BTRFS info (device loop1): enabling ssd optimizations
[  638.052770][T11746] BTRFS info (device loop1): clearing free space tree
[  638.054744][T11746] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  638.057908][T11746] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  638.102761][T11756] loop4: detected capacity change from 0 to 32768
[  638.126639][T11756] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1112 (11756)
[  638.156513][T11748] loop2: detected capacity change from 0 to 256
[  638.188758][ T4247] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4247)
[  638.201354][T11748] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  638.209436][T11748] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  638.213719][T11750] loop3: detected capacity change from 0 to 256
[  638.254811][T11748] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  638.328676][T11748] exFAT-fs (loop2): hint_cluster is invalid (17)
[  638.359554][T11777] BTRFS warning (device loop1): failed to trim 1 block group(s), last error -512
[  638.376472][T11748] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  638.378849][T11748] exFAT-fs (loop2): Filesystem has been set read-only
[  638.382363][T11750] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  638.385537][T11750] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  638.431025][T11750] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  638.447545][T11750] exFAT-fs (loop3): hint_cluster is invalid (17)
[  638.459766][T11750] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  638.462100][T11750] exFAT-fs (loop3): Filesystem has been set read-only
[  639.241795][T11788] loop4: detected capacity change from 0 to 32768
[  639.244186][T11784] loop3: detected capacity change from 0 to 32768
[  639.254728][T11786] loop2: detected capacity change from 0 to 32768
[  639.262069][T11782] loop0: detected capacity change from 0 to 32768
[  639.264159][T11788] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.1118 (11788)
[  639.275624][T11788] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm
[  639.278294][T11788] BTRFS info (device loop4): enabling auto defrag
[  639.280435][T11788] BTRFS info (device loop4): doing ref verification
[  639.282424][T11788] BTRFS info (device loop4): max_inline at 0
[  639.284123][T11788] BTRFS info (device loop4): force clearing of disk cache
[  639.286355][T11788] BTRFS info (device loop4): turning on sync discard
[  639.288526][T11788] BTRFS info (device loop4): disabling free space tree
[  639.292166][T11784] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1117 (11784)
[  639.296517][T11788] BTRFS info (device loop4): has skinny extents
[  639.321652][T11790] loop1: detected capacity change from 0 to 32768
[  639.351060][T11782] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1115 (11782)
[  639.412982][T11784] loop3: detected capacity change from 0 to 256
[  639.417107][T11786] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1116 (11786)
[  639.460960][T11784] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  639.463971][T11784] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  639.477401][T11790] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1114 (11790)
[  639.488163][T11784] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  639.516856][ T4346] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4346)
[  639.528357][T11788] BTRFS info (device loop4): enabling ssd optimizations
[  639.532928][T11788] BTRFS info (device loop4): clearing free space tree
[  639.535095][T11788] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  639.538485][T11788] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  639.560908][T11782] loop0: detected capacity change from 0 to 256
[  639.565469][T11782] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  639.570038][T11784] exFAT-fs (loop3): hint_cluster is invalid (17)
[  639.588154][T11782] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  639.596029][T11784] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  639.609622][T11782] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  639.625842][T11784] exFAT-fs (loop3): Filesystem has been set read-only
[  639.644398][T11786] loop2: detected capacity change from 0 to 256
[  639.693986][T11786] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  639.697008][T11786] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
1970/01/01 00:10:39 executed programs: 1113
[  639.720163][T11782] exFAT-fs (loop0): hint_cluster is invalid (17)
[  639.735687][T11782] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  639.753626][T11782] exFAT-fs (loop0): Filesystem has been set read-only
[  639.756864][T11786] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  639.785483][T11786] exFAT-fs (loop2): hint_cluster is invalid (17)
[  639.812563][T11786] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  639.815096][T11786] exFAT-fs (loop2): Filesystem has been set read-only
[  640.607574][T11819] loop1: detected capacity change from 0 to 32768
[  640.636512][T11823] loop2: detected capacity change from 0 to 32768
[  640.648902][T11814] loop3: detected capacity change from 0 to 32768
[  640.658076][T11819] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.1120 (11819)
[  640.668339][T11821] loop0: detected capacity change from 0 to 32768
[  640.716115][T11819] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm
[  640.718641][T11819] BTRFS info (device loop1): enabling auto defrag
[  640.727101][T11819] BTRFS info (device loop1): doing ref verification
[  640.729114][T11819] BTRFS info (device loop1): max_inline at 0
[  640.748832][T11823] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1123 (11823)
[  640.753650][T11819] BTRFS info (device loop1): force clearing of disk cache
[  640.755758][T11819] BTRFS info (device loop1): turning on sync discard
[  640.757749][T11819] BTRFS info (device loop1): disabling free space tree
[  640.760108][T11819] BTRFS info (device loop1): has skinny extents
[  640.764118][T11825] loop4: detected capacity change from 0 to 32768
[  640.791311][T11814] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1119 (11814)
[  640.836712][T11821] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1121 (11821)
[  640.856901][T11825] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1122 (11825)
[  640.893329][T11823] loop2: detected capacity change from 0 to 256
[  640.938475][T11823] exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  640.956881][T11819] BTRFS info (device loop1): enabling ssd optimizations
[  640.961677][T11823] exFAT-fs (loop2): Medium has reported failures. Some data may be lost.
[  640.979443][T11819] BTRFS info (device loop1): clearing free space tree
[  640.981515][T11819] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  640.987601][T11823] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  640.989320][T11819] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  641.006692][ T4355] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4355)
[  641.089670][T11823] exFAT-fs (loop2): hint_cluster is invalid (17)
[  641.107903][T11823] exFAT-fs (loop2): error, invalid access to FAT (entry 0xffffffff)
[  641.113826][T11823] exFAT-fs (loop2): Filesystem has been set read-only
[  641.140572][T11814] loop3: detected capacity change from 0 to 256
[  641.184713][ T9512] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (9512)
[  641.274048][T11814] exFAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  641.277671][T11814] exFAT-fs (loop3): Medium has reported failures. Some data may be lost.
[  641.312580][T11814] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  641.363600][T11814] exFAT-fs (loop3): hint_cluster is invalid (17)
[  641.382660][T11814] exFAT-fs (loop3): error, invalid access to FAT (entry 0xffffffff)
[  641.384958][T11814] exFAT-fs (loop3): Filesystem has been set read-only
[  641.829169][T11851] loop4: detected capacity change from 0 to 32768
[  641.912330][T11851] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1125 (11851)
[  641.983949][T11853] loop2: detected capacity change from 0 to 32768
[  642.018221][T11855] loop0: detected capacity change from 0 to 32768
[  642.068653][T11855] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1124 (11855)
[  642.134918][T11851] loop4: detected capacity change from 0 to 256
[  642.135650][T11858] loop3: detected capacity change from 0 to 32768
[  642.173205][T11853] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.1126 (11853)
[  642.176940][T11851] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  642.189729][T11851] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  642.213456][T11858] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1127 (11858)
[  642.217303][T11853] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm
[  642.219985][T11853] BTRFS info (device loop2): enabling auto defrag
[  642.220064][T11851] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  642.221849][T11853] BTRFS info (device loop2): doing ref verification
[  642.233356][T11853] BTRFS info (device loop2): max_inline at 0
[  642.238580][T11853] BTRFS info (device loop2): force clearing of disk cache
[  642.243461][ T4247] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4247)
[  642.245796][T11855] loop0: detected capacity change from 0 to 256
[  642.264208][T11853] BTRFS info (device loop2): turning on sync discard
[  642.266194][T11853] BTRFS info (device loop2): disabling free space tree
[  642.268099][T11853] BTRFS info (device loop2): has skinny extents
[  642.279020][T11851] exFAT-fs (loop4): hint_cluster is invalid (17)
[  642.284483][T11855] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  642.287493][T11855] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  642.288869][T11851] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  642.292369][T11851] exFAT-fs (loop4): Filesystem has been set read-only
[  642.308581][T11855] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  642.345499][T11855] exFAT-fs (loop0): hint_cluster is invalid (17)
[  642.368266][T11855] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  642.381367][T11855] exFAT-fs (loop0): Filesystem has been set read-only
[  642.553752][T11853] BTRFS info (device loop2): enabling ssd optimizations
[  642.561267][T11853] BTRFS info (device loop2): clearing free space tree
[  642.563502][T11853] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  642.574187][T11853] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  643.107584][T11885] loop0: detected capacity change from 0 to 32768
[  643.143119][T11864] loop1: detected capacity change from 0 to 32768
[  643.171959][T11879] loop4: detected capacity change from 0 to 32768
[  643.175164][T11885] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1131 (11885)
[  643.254454][T11864] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1128 (11864)
[  643.321456][T11879] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1129 (11879)
[  643.431762][T11885] loop0: detected capacity change from 0 to 256
[  643.478968][T11885] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  643.482375][T11885] exFAT-fs (loop0): Medium has reported failures. Some data may be lost.
[  643.489095][T11885] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  643.538137][T11864] loop1: detected capacity change from 0 to 256
[  643.548945][T11885] exFAT-fs (loop0): hint_cluster is invalid (17)
[  643.550104][T11888] loop3: detected capacity change from 0 to 32768
[  643.566495][T11885] exFAT-fs (loop0): error, invalid access to FAT (entry 0xffffffff)
[  643.568820][T11885] exFAT-fs (loop0): Filesystem has been set read-only
[  643.573844][T11879] loop4: detected capacity change from 0 to 256
[  643.601896][T11888] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.1130 (11888)
[  643.670419][T11864] exFAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  643.674292][T11888] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm
[  643.676737][T11888] BTRFS info (device loop3): enabling auto defrag
[  643.678579][T11888] BTRFS info (device loop3): doing ref verification
[  643.680731][T11864] exFAT-fs (loop1): Medium has reported failures. Some data may be lost.
[  643.685279][T11879] exFAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[  643.688240][T11879] exFAT-fs (loop4): Medium has reported failures. Some data may be lost.
[  643.690982][T11888] BTRFS info (device loop3): max_inline at 0
[  643.692786][T11888] BTRFS info (device loop3): force clearing of disk cache
[  643.695201][T11888] BTRFS info (device loop3): turning on sync discard
[  643.697144][T11888] BTRFS info (device loop3): disabling free space tree
[  643.699038][T11864] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  643.699089][T11888] BTRFS info (device loop3): has skinny extents
[  643.720101][T11879] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d)
[  643.747619][T11864] exFAT-fs (loop1): hint_cluster is invalid (17)
[  643.766731][T11879] exFAT-fs (loop4): hint_cluster is invalid (17)
[  643.798625][T11879] exFAT-fs (loop4): error, invalid access to FAT (entry 0xffffffff)
[  643.802837][T11864] exFAT-fs (loop1): error, invalid access to FAT (entry 0xffffffff)
[  643.805327][T11864] exFAT-fs (loop1): Filesystem has been set read-only
[  643.807533][T11879] exFAT-fs (loop4): Filesystem has been set read-only