34.468757][T10751] BTRFS info (device loop2): force clearing of disk cache
[  334.470558][T10751] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  334.472804][T10751] BTRFS info (device loop2): use zstd compression, level 3
[  334.474563][T10751] BTRFS info (device loop2): disk space caching is enabled
[  334.476343][T10751] BTRFS info (device loop2): has skinny extents
[  334.760857][T10751] BTRFS info (device loop2): enabling ssd optimizations
[  334.767320][T10751] BTRFS info (device loop2): clearing free space tree
[  334.769819][T10751] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  334.772833][T10751] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  334.789153][T10768] loop3: detected capacity change from 0 to 32768
[  334.878584][T10768] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.967 (10768)
[  335.297335][T10785] loop4: detected capacity change from 0 to 32768
[  335.410608][T10785] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.969 (10785)
[  335.429382][T10774] loop0: detected capacity change from 0 to 32768
[  335.530275][T10774] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.968 (10774)
[  335.531362][T10785] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  335.535523][T10785] BTRFS info (device loop4): enabling disk space caching
[  335.537302][T10785] BTRFS info (device loop4): force clearing of disk cache
[  335.548487][T10785] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  335.550950][T10785] BTRFS info (device loop4): use zstd compression, level 3
[  335.552767][T10785] BTRFS info (device loop4): disk space caching is enabled
[  335.554570][T10785] BTRFS info (device loop4): has skinny extents
[  335.659948][T10796] loop3: detected capacity change from 0 to 32768
[  335.716564][T10796] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.972 (10796)
[  335.789504][T10792] loop1: detected capacity change from 0 to 32768
[  335.833863][T10785] BTRFS info (device loop4): enabling ssd optimizations
[  335.835421][T10795] loop2: detected capacity change from 0 to 32768
[  335.850355][T10785] BTRFS info (device loop4): clearing free space tree
[  335.852168][T10785] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  335.854697][T10785] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  335.858571][T10792] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.971 (10792)
[  335.918097][T10795] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.970 (10795)
1970/01/01 00:05:35 executed programs: 967
[  336.200282][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by udevd (4575)
[  336.787154][T10820] loop0: detected capacity change from 0 to 32768
[  336.804754][T10821] loop3: detected capacity change from 0 to 32768
[  336.838023][T10826] loop4: detected capacity change from 0 to 32768
[  336.890470][T10820] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.973 (10820)
[  336.894380][T10821] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  336.896941][T10826] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.975 (10826)
[  336.901872][T10821] BTRFS info (device loop3): enabling disk space caching
[  336.903593][T10821] BTRFS info (device loop3): force clearing of disk cache
[  336.905383][T10821] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  336.928424][T10821] BTRFS info (device loop3): use zstd compression, level 3
[  336.930612][T10821] BTRFS info (device loop3): disk space caching is enabled
[  336.932552][T10821] BTRFS info (device loop3): has skinny extents
[  336.953411][T10827] loop1: detected capacity change from 0 to 32768
[  337.050555][T10827] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.977 (10827)
[  337.182003][ T4576] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4576)
[  337.279869][T10821] BTRFS info (device loop3): enabling ssd optimizations
[  337.315637][T10821] BTRFS info (device loop3): clearing free space tree
[  337.317766][T10821] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  337.320931][T10821] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  337.377837][ T5244] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (5244)
[  337.982773][T10857] loop2: detected capacity change from 0 to 32768
[  338.047233][T10857] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.981 (10857)
[  338.058232][T10854] loop4: detected capacity change from 0 to 32768
[  338.073620][T10857] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  338.075951][T10857] BTRFS info (device loop2): enabling disk space caching
[  338.078045][T10854] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.980 (10854)
[  338.082181][T10857] BTRFS info (device loop2): force clearing of disk cache
[  338.083974][T10857] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  338.086278][T10857] BTRFS info (device loop2): use zstd compression, level 3
[  338.102352][T10857] BTRFS info (device loop2): disk space caching is enabled
[  338.104323][T10857] BTRFS info (device loop2): has skinny extents
[  338.272887][T10859] loop0: detected capacity change from 0 to 32768
[  338.323486][T10859] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.983 (10859)
[  338.402731][T10864] loop1: detected capacity change from 0 to 32768
[  338.404714][T10857] BTRFS info (device loop2): enabling ssd optimizations
[  338.407434][T10857] BTRFS info (device loop2): clearing free space tree
[  338.409493][T10857] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  338.411849][T10857] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  338.440712][T10864] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.984 (10864)
[  339.194507][T10886] loop4: detected capacity change from 0 to 32768
[  339.224569][T10886] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.985 (10886)
[  339.296284][T10884] loop3: detected capacity change from 0 to 32768
[  339.317041][T10888] loop0: detected capacity change from 0 to 32768
[  339.351905][T10888] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.988 (10888)
[  339.355568][T10886] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  339.357835][T10886] BTRFS info (device loop4): enabling disk space caching
[  339.366101][T10886] BTRFS info (device loop4): force clearing of disk cache
[  339.370443][T10886] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  339.372991][T10886] BTRFS info (device loop4): use zstd compression, level 3
[  339.374769][T10886] BTRFS info (device loop4): disk space caching is enabled
[  339.385275][T10884] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.986 (10884)
[  339.388202][T10886] BTRFS info (device loop4): has skinny extents
[  339.449510][ T4575] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4575)
[  339.450834][T10891] loop1: detected capacity change from 0 to 32768
[  339.495344][T10891] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.989 (10891)
[  339.585930][T10886] BTRFS info (device loop4): enabling ssd optimizations
[  339.590647][T10886] BTRFS info (device loop4): clearing free space tree
[  339.592468][T10886] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  339.595149][T10886] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  339.813218][T10893] loop2: detected capacity change from 0 to 32768
[  339.875534][T10893] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.987 (10893)
[  339.938531][T10893] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  339.941015][T10893] BTRFS info (device loop2): enabling disk space caching
[  339.942851][T10893] BTRFS info (device loop2): force clearing of disk cache
[  339.944628][T10893] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  339.973909][T10916] loop1: detected capacity change from 0 to 32768
[  339.976055][T10893] BTRFS info (device loop2): use zstd compression, level 3
[  339.977883][T10893] BTRFS info (device loop2): disk space caching is enabled
[  339.986218][T10893] BTRFS info (device loop2): has skinny extents
[  340.010881][T10916] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.991 (10916)
[  340.193249][T10896] loop0: detected capacity change from 0 to 32768
[  340.226569][T10893] BTRFS info (device loop2): enabling ssd optimizations
[  340.250227][T10893] BTRFS info (device loop2): clearing free space tree
[  340.252145][T10893] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  340.254989][T10893] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  340.324966][T10896] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.990 (10896)
[  340.555396][T10918] loop4: detected capacity change from 0 to 32768
[  340.591427][T10920] loop3: detected capacity change from 0 to 32768
[  340.601290][T10918] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.992 (10918)
[  340.642363][T10920] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.993 (10920)
[  340.643413][T10918] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  340.647875][T10918] BTRFS info (device loop4): enabling disk space caching
[  340.658007][T10918] BTRFS info (device loop4): force clearing of disk cache
[  340.667100][T10918] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  340.698512][T10918] BTRFS info (device loop4): use zstd compression, level 3
[  340.700618][T10918] BTRFS info (device loop4): disk space caching is enabled
[  340.702535][T10918] BTRFS info (device loop4): has skinny extents
[  340.950147][T10918] BTRFS info (device loop4): enabling ssd optimizations
[  340.969585][T10945] loop0: detected capacity change from 0 to 32768
[  340.974340][T10918] BTRFS info (device loop4): clearing free space tree
[  340.976173][T10918] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  340.979283][T10918] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  341.011490][T10945] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.996 (10945)
1970/01/01 00:05:41 executed programs: 991
[  341.195265][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by udevd (4575)
[  341.275840][T10943] loop2: detected capacity change from 0 to 32768
[  341.334855][T10941] loop1: detected capacity change from 0 to 32768
[  341.396825][T10943] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  341.399246][T10943] BTRFS info (device loop2): enabling disk space caching
[  341.401028][T10943] BTRFS info (device loop2): force clearing of disk cache
[  341.402856][T10943] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  341.405273][T10943] BTRFS info (device loop2): use zstd compression, level 3
[  341.422020][T10941] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.994 (10941)
[  341.429261][T10943] BTRFS info (device loop2): disk space caching is enabled
[  341.431217][T10943] BTRFS info (device loop2): has skinny extents
[  341.657742][T10970] loop4: detected capacity change from 0 to 32768
[  341.710460][T10970] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.997 (10970)
[  341.723741][T10943] BTRFS info (device loop2): enabling ssd optimizations
[  341.726529][T10943] BTRFS info (device loop2): clearing free space tree
[  341.729147][T10943] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  341.731651][T10943] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  341.905086][T10967] loop3: detected capacity change from 0 to 32768
[  341.977685][T10967] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.999 (10967)
[  342.022417][T10967] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  342.024806][T10967] BTRFS info (device loop3): enabling disk space caching
[  342.026565][T10967] BTRFS info (device loop3): force clearing of disk cache
[  342.042337][T10967] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  342.044748][T10967] BTRFS info (device loop3): use zstd compression, level 3
[  342.046634][T10967] BTRFS info (device loop3): disk space caching is enabled
[  342.053273][T10966] loop0: detected capacity change from 0 to 32768
[  342.079078][T10967] BTRFS info (device loop3): has skinny extents
[  342.093069][T10966] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.998 (10966)
[  342.281414][T10978] loop1: detected capacity change from 0 to 32768
[  342.321142][T10978] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1000 (10978)
[  342.430726][T10967] BTRFS info (device loop3): enabling ssd optimizations
[  342.433579][T10967] BTRFS info (device loop3): clearing free space tree
[  342.435415][T10967] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  342.438166][T10967] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  342.646713][T10995] loop4: detected capacity change from 0 to 32768
[  342.695734][T10995] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1002 (10995)
[  342.747662][T10995] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  342.750406][T10995] BTRFS info (device loop4): enabling disk space caching
[  342.752203][T10995] BTRFS info (device loop4): force clearing of disk cache
[  342.754028][T10995] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  342.768850][T10995] BTRFS info (device loop4): use zstd compression, level 3
[  342.770650][T10995] BTRFS info (device loop4): disk space caching is enabled
[  342.772531][T10995] BTRFS info (device loop4): has skinny extents
[  342.998126][T10995] BTRFS info (device loop4): enabling ssd optimizations
[  343.007654][T10995] BTRFS info (device loop4): clearing free space tree
[  343.010650][T10995] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  343.013384][T10995] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  343.076994][T11020] loop3: detected capacity change from 0 to 32768
[  343.182001][T11020] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1005 (11020)
[  343.402799][T11040] loop2: detected capacity change from 0 to 32768
[  343.431226][T11040] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1006 (11040)
[  343.505683][T11017] loop1: detected capacity change from 0 to 32768
[  343.531468][T11040] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  343.533878][T11040] BTRFS info (device loop2): enabling disk space caching
[  343.541422][T11017] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1003 (11017)
[  343.545535][T11040] BTRFS info (device loop2): force clearing of disk cache
[  343.558018][T11040] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  343.560696][T11040] BTRFS info (device loop2): use zstd compression, level 3
[  343.562441][T11040] BTRFS info (device loop2): disk space caching is enabled
[  343.564313][T11040] BTRFS info (device loop2): has skinny extents
[  343.583215][T11018] loop0: detected capacity change from 0 to 32768
[  343.631612][T11018] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1004 (11018)
[  343.949052][T11040] BTRFS info (device loop2): enabling ssd optimizations
[  343.951968][T11040] BTRFS info (device loop2): clearing free space tree
[  343.953712][T11040] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  343.968633][T11040] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  344.031787][T11043] loop4: detected capacity change from 0 to 32768
[  344.061374][T11043] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1007 (11043)
[  344.093885][T11045] loop3: detected capacity change from 0 to 32768
[  344.195090][T11045] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1008 (11045)
[  344.282766][T11045] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  344.285031][T11045] BTRFS info (device loop3): enabling disk space caching
[  344.287069][T11045] BTRFS info (device loop3): force clearing of disk cache
[  344.308553][T11045] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  344.310958][T11045] BTRFS info (device loop3): use zstd compression, level 3
[  344.312671][T11045] BTRFS info (device loop3): disk space caching is enabled
[  344.314372][T11045] BTRFS info (device loop3): has skinny extents
[  344.333247][T11056] loop1: detected capacity change from 0 to 32768
[  344.372814][T11056] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1009 (11056)
[  344.598979][T11067] loop0: detected capacity change from 0 to 32768
[  344.601624][T11045] BTRFS info (device loop3): enabling ssd optimizations
[  344.626559][T11045] BTRFS info (device loop3): clearing free space tree
[  344.628721][T11045] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  344.631235][T11045] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  344.680848][T11067] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1010 (11067)
[  345.102863][T11070] loop2: detected capacity change from 0 to 32768
[  345.128418][T11070] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1011 (11070)
[  345.153253][T11070] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  345.155633][T11070] BTRFS info (device loop2): enabling disk space caching
[  345.157385][T11070] BTRFS info (device loop2): force clearing of disk cache
[  345.182475][T11070] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  345.188945][T11070] BTRFS info (device loop2): use zstd compression, level 3
[  345.190731][T11070] BTRFS info (device loop2): disk space caching is enabled
[  345.192546][T11070] BTRFS info (device loop2): has skinny extents
[  345.197808][T11078] loop4: detected capacity change from 0 to 32768
[  345.255024][T11078] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1012 (11078)
[  345.496281][T11097] loop3: detected capacity change from 0 to 32768
[  345.559648][T11070] BTRFS info (device loop2): enabling ssd optimizations
[  345.575895][T11070] BTRFS info (device loop2): clearing free space tree
[  345.577780][T11070] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  345.580398][T11070] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  345.634591][T11097] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1013 (11097)
[  345.684417][T11093] loop1: detected capacity change from 0 to 32768
[  345.759787][T11095] loop0: detected capacity change from 0 to 32768
[  345.765822][T11093] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1014 (11093)
[  345.846052][T11095] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1015 (11095)
[  345.857081][T11095] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  345.866344][T11095] BTRFS info (device loop0): enabling disk space caching
[  345.875001][T11095] BTRFS info (device loop0): force clearing of disk cache
[  345.882584][T11095] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  345.904557][T11095] BTRFS info (device loop0): use zstd compression, level 3
[  345.906636][T11095] BTRFS info (device loop0): disk space caching is enabled
[  345.918591][T11095] BTRFS info (device loop0): has skinny extents
[  346.154226][T11118] loop4: detected capacity change from 0 to 32768
[  346.179040][T11118] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1017 (11118)
1970/01/01 00:05:46 executed programs: 1013
[  346.288638][T11095] BTRFS info (device loop0): enabling ssd optimizations
[  346.291922][T11095] BTRFS info (device loop0): clearing free space tree
[  346.293736][T11095] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  346.296447][T11095] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  346.401499][T11129] loop3: detected capacity change from 0 to 32768
[  346.446488][T11129] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1018 (11129)
[  347.084281][T11139] loop1: detected capacity change from 0 to 32768
[  347.119250][T11146] loop4: detected capacity change from 0 to 32768
[  347.176053][T11139] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1019 (11139)
[  347.227357][T11146] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1020 (11146)
[  347.231102][T11139] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  347.233607][T11139] BTRFS info (device loop1): enabling disk space caching
[  347.248483][T11139] BTRFS info (device loop1): force clearing of disk cache
[  347.250515][T11139] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  347.252863][T11139] BTRFS info (device loop1): use zstd compression, level 3
[  347.254677][T11139] BTRFS info (device loop1): disk space caching is enabled
[  347.290297][T11139] BTRFS info (device loop1): has skinny extents
[  347.437932][ T4576] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4576)
[  347.489808][T11152] loop2: detected capacity change from 0 to 32768
[  347.541520][T11150] loop3: detected capacity change from 0 to 32768
[  347.549227][T11139] BTRFS info (device loop1): enabling ssd optimizations
[  347.551977][T11139] BTRFS info (device loop1): clearing free space tree
[  347.554376][T11139] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  347.556855][T11139] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  347.590396][T11152] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1023 (11152)
[  347.640440][T11150] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1022 (11150)
[  347.839056][ T5244] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by udevd (5244)
[  347.846322][T11156] loop4: detected capacity change from 0 to 32768
[  347.971193][T11156] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  347.973668][T11156] BTRFS info (device loop4): enabling disk space caching
[  347.975424][T11156] BTRFS info (device loop4): force clearing of disk cache
[  347.977232][T11156] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  347.984489][T11156] BTRFS info (device loop4): use zstd compression, level 3
[  347.986463][T11156] BTRFS info (device loop4): disk space caching is enabled
[  348.008474][T11156] BTRFS info (device loop4): has skinny extents
[  348.065150][ T5203] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (5203)
[  348.348691][T11156] BTRFS info (device loop4): enabling ssd optimizations
[  348.351543][T11156] BTRFS info (device loop4): clearing free space tree
[  348.353273][T11156] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  348.355786][T11156] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  348.758715][T11177] loop3: detected capacity change from 0 to 32768
[  348.762553][T11177] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1027 (11177)
[  348.775152][T11178] loop2: detected capacity change from 0 to 32768
[  348.793353][T11179] loop0: detected capacity change from 0 to 32768
[  348.797838][T11179] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1025 (11179)
[  348.807749][T11181] loop1: detected capacity change from 0 to 32768
[  348.822545][T11178] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1028 (11178)
[  348.826673][T11177] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  348.839346][T11177] BTRFS info (device loop3): enabling disk space caching
[  348.841033][T11177] BTRFS info (device loop3): force clearing of disk cache
[  348.842790][T11177] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  348.847838][T11177] BTRFS info (device loop3): use zstd compression, level 3
[  348.855876][T11177] BTRFS info (device loop3): disk space caching is enabled
[  348.857673][T11177] BTRFS info (device loop3): has skinny extents
[  348.901209][ T4575] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4575)
[  348.912904][T11181] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1026 (11181)
[  349.148449][T11177] BTRFS info (device loop3): enabling ssd optimizations
[  349.151261][T11177] BTRFS info (device loop3): clearing free space tree
[  349.153031][T11177] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  349.155520][T11177] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  349.199038][T11205] loop0: detected capacity change from 0 to 32768
[  349.293953][T11205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1030 (11205)
[  349.763393][T11214] loop2: detected capacity change from 0 to 32768
[  349.800907][T11214] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1031 (11214)
[  349.840554][T11214] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  349.842992][T11214] BTRFS info (device loop2): enabling disk space caching
[  349.844747][T11214] BTRFS info (device loop2): force clearing of disk cache
[  349.846609][T11214] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  349.880159][T11214] BTRFS info (device loop2): use zstd compression, level 3
[  349.882135][T11214] BTRFS info (device loop2): disk space caching is enabled
[  349.883977][T11214] BTRFS info (device loop2): has skinny extents
[  350.051479][T11234] loop0: detected capacity change from 0 to 32768
[  350.077809][T11228] loop1: detected capacity change from 0 to 32768
[  350.091840][T11234] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1035 (11234)
[  350.135599][T11214] BTRFS info (device loop2): enabling ssd optimizations
[  350.146204][T11214] BTRFS info (device loop2): clearing free space tree
[  350.148022][T11214] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  350.150617][T11214] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  350.183100][T11230] loop3: detected capacity change from 0 to 32768
[  350.185512][T11228] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1033 (11228)
[  350.215514][T11232] loop4: detected capacity change from 0 to 32768
[  350.221885][T11230] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1032 (11230)
[  350.304738][T11232] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1034 (11232)
[  350.463258][ T5244] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop2 scanned by udevd (5244)
[  351.002604][T11254] loop0: detected capacity change from 0 to 32768
[  351.234997][T11258] loop1: detected capacity change from 0 to 32768
[  351.269866][T11260] loop3: detected capacity change from 0 to 32768
1970/01/01 00:05:51 executed programs: 1035
[  351.374524][T11262] loop4: detected capacity change from 0 to 32768
[  352.096534][T11265] loop2: detected capacity change from 0 to 32768
[  352.108840][T11267] loop0: detected capacity change from 0 to 32768
[  352.156632][T11269] loop3: detected capacity change from 0 to 32768
[  352.254606][T11269] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1043 (11269)
[  352.264443][T11271] loop1: detected capacity change from 0 to 32768
[  352.279426][T11265] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  352.281860][T11265] BTRFS info (device loop2): enabling disk space caching
[  352.283799][T11265] BTRFS info (device loop2): force clearing of disk cache
[  352.285721][T11265] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  352.288067][T11265] BTRFS info (device loop2): use zstd compression, level 3
[  352.305843][T11265] BTRFS info (device loop2): disk space caching is enabled
[  352.307791][T11265] BTRFS info (device loop2): has skinny extents
[  352.312786][T11271] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1044 (11271)
[  352.382870][T11273] loop4: detected capacity change from 0 to 32768
[  352.386800][ T5243] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5243)
[  352.480488][T11273] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1045 (11273)
[  352.598755][T11265] BTRFS info (device loop2): enabling ssd optimizations
[  352.601465][T11265] BTRFS info (device loop2): clearing free space tree
[  352.603350][T11265] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  352.605980][T11265] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  352.893028][T11275] loop3: detected capacity change from 0 to 32768
[  353.047379][T11275] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1046 (11275)
[  353.109296][T11275] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  353.111767][T11275] BTRFS info (device loop3): enabling disk space caching
[  353.113591][T11275] BTRFS info (device loop3): force clearing of disk cache
[  353.115422][T11275] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  353.117943][T11275] BTRFS info (device loop3): use zstd compression, level 3
[  353.128363][T11275] BTRFS info (device loop3): disk space caching is enabled
[  353.130288][T11275] BTRFS info (device loop3): has skinny extents
[  353.183738][T11284] loop0: detected capacity change from 0 to 32768
[  353.278775][T11284] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1047 (11284)
[  353.337086][T11297] loop1: detected capacity change from 0 to 32768
[  353.400758][T11297] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1048 (11297)
[  353.488425][T11275] BTRFS info (device loop3): enabling ssd optimizations
[  353.491397][T11275] BTRFS info (device loop3): clearing free space tree
[  353.493116][T11275] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  353.495595][T11275] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  353.536363][T11300] loop4: detected capacity change from 0 to 32768
[  353.571921][T11300] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1050 (11300)
[  353.881068][ T5203] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop3 scanned by udevd (5203)
[  354.194385][T11320] loop2: detected capacity change from 0 to 32768
[  354.429301][T11328] loop1: detected capacity change from 0 to 32768
[  354.474499][T11326] loop0: detected capacity change from 0 to 32768
[  354.651157][T11330] loop4: detected capacity change from 0 to 32768
[  354.998259][T11333] loop2: detected capacity change from 0 to 32768
[  355.397993][T11335] loop3: detected capacity change from 0 to 32768
[  355.530057][T11335] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  355.532277][T11335] BTRFS info (device loop3): enabling disk space caching
[  355.534009][T11335] BTRFS info (device loop3): force clearing of disk cache
[  355.541231][T11335] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  355.543503][T11335] BTRFS info (device loop3): use zstd compression, level 3
[  355.545183][T11335] BTRFS info (device loop3): disk space caching is enabled
[  355.561063][T11335] BTRFS info (device loop3): has skinny extents
[  355.575855][T11337] loop1: detected capacity change from 0 to 32768
[  355.642254][T11337] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1058 (11337)
[  355.704350][T11341] loop4: detected capacity change from 0 to 32768
[  355.719514][T11335] BTRFS info (device loop3): enabling ssd optimizations
[  355.725970][T11335] BTRFS info (device loop3): clearing free space tree
[  355.727806][T11335] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  355.759255][T11335] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  355.777168][T11339] loop0: detected capacity change from 0 to 32768
[  355.801220][T11341] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1060 (11341)
[  355.932545][T11339] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1059 (11339)
[  356.009939][ T5243] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (5243)
[  356.015405][T11343] loop2: detected capacity change from 0 to 32768
[  356.054790][T11343] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1061 (11343)
[  356.111715][T11343] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  356.114077][T11343] BTRFS info (device loop2): enabling disk space caching
[  356.128390][T11343] BTRFS info (device loop2): force clearing of disk cache
[  356.130745][T11343] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  356.133297][T11343] BTRFS info (device loop2): use zstd compression, level 3
[  356.135281][T11343] BTRFS info (device loop2): disk space caching is enabled
[  356.137069][T11343] BTRFS info (device loop2): has skinny extents
1970/01/01 00:05:56 executed programs: 1060
[  356.465047][T11343] BTRFS info (device loop2): enabling ssd optimizations
[  356.468761][T11343] BTRFS info (device loop2): clearing free space tree
[  356.470812][T11343] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  356.473578][T11343] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  356.543394][T11373] loop1: detected capacity change from 0 to 32768
[  356.596774][T11373] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1064 (11373)
[  356.866959][T11366] loop3: detected capacity change from 0 to 32768
[  356.976578][T11366] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1063 (11366)
[  357.028509][T11366] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  357.030918][T11366] BTRFS info (device loop3): enabling disk space caching
[  357.032823][T11366] BTRFS info (device loop3): force clearing of disk cache
[  357.035079][T11366] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  357.037735][T11366] BTRFS info (device loop3): use zstd compression, level 3
[  357.060362][T11366] BTRFS info (device loop3): disk space caching is enabled
[  357.062201][T11366] BTRFS info (device loop3): has skinny extents
[  357.144494][T11372] loop4: detected capacity change from 0 to 32768
[  357.193636][T11384] loop0: detected capacity change from 0 to 32768
[  357.228936][T11372] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1065 (11372)
[  357.281658][T11384] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1066 (11384)
[  357.402140][T11393] loop1: detected capacity change from 0 to 32768
[  357.408715][T11366] BTRFS info (device loop3): enabling ssd optimizations
[  357.417383][T11366] BTRFS info (device loop3): clearing free space tree
[  357.419696][T11366] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  357.422236][T11366] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  357.468689][T11393] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1068 (11393)
[  357.615572][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by udevd (4575)
[  358.406053][T11424] loop0: detected capacity change from 0 to 32768
[  358.455063][T11424] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  358.457644][T11424] BTRFS info (device loop0): enabling disk space caching
[  358.467512][T11424] BTRFS info (device loop0): force clearing of disk cache
[  358.470489][T11424] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  358.483906][T11424] BTRFS info (device loop0): use zstd compression, level 3
[  358.485957][T11424] BTRFS info (device loop0): disk space caching is enabled
[  358.487931][T11424] BTRFS info (device loop0): has skinny extents
[  358.514621][T11422] loop2: detected capacity change from 0 to 32768
[  358.534399][T11422] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1072 (11422)
[  358.851489][T11424] BTRFS info (device loop0): enabling ssd optimizations
[  358.852640][T11441] loop3: detected capacity change from 0 to 32768
[  358.859959][T11424] BTRFS info (device loop0): clearing free space tree
[  358.861836][T11424] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  358.864430][T11424] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  358.912028][T11441] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1077 (11441)
[  359.033002][ T5203] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (5203)
[  359.323407][T11428] loop1: detected capacity change from 0 to 32768
[  359.432856][T11428] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1074 (11428)
[  359.473308][T11435] loop2: detected capacity change from 0 to 32768
[  359.507541][T11428] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  359.511027][T11428] BTRFS info (device loop1): enabling disk space caching
[  359.512894][T11428] BTRFS info (device loop1): force clearing of disk cache
[  359.514755][T11428] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  359.522115][T11435] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1076 (11435)
[  359.545484][T11428] BTRFS info (device loop1): use zstd compression, level 3
[  359.547384][T11428] BTRFS info (device loop1): disk space caching is enabled
[  359.555641][T11428] BTRFS info (device loop1): has skinny extents
[  359.840090][T11428] BTRFS info (device loop1): enabling ssd optimizations
[  359.842899][T11428] BTRFS info (device loop1): clearing free space tree
[  359.844745][T11428] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  359.847289][T11428] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  359.969527][T11457] loop3: detected capacity change from 0 to 32768
[  360.105932][T11457] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1079 (11457)
[  360.178441][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop1 scanned by udevd (4575)
[  360.614954][T11460] loop4: detected capacity change from 0 to 32768
[  360.614979][T11479] loop0: detected capacity change from 0 to 32768
[  360.785352][T11481] loop2: detected capacity change from 0 to 32768
[  360.867675][T11484] loop3: detected capacity change from 0 to 32768
[  361.719618][T11491] loop1: detected capacity change from 0 to 32768
[  361.728028][T11491] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  361.737849][T11491] BTRFS info (device loop1): enabling disk space caching
[  361.748036][T11491] BTRFS info (device loop1): force clearing of disk cache
[  361.755056][T11488] loop0: detected capacity change from 0 to 32768
[  361.758546][T11491] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  361.761099][T11491] BTRFS info (device loop1): use zstd compression, level 3
[  361.762997][T11491] BTRFS info (device loop1): disk space caching is enabled
[  361.764875][T11491] BTRFS info (device loop1): has skinny extents
[  361.787661][T11488] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1085 (11488)
[  361.789821][T11492] loop4: detected capacity change from 0 to 32768
[  361.855924][T11492] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1086 (11492)
1970/01/01 00:06:01 executed programs: 1084
[  361.930522][T11496] loop3: detected capacity change from 0 to 32768
[  361.936883][T11496] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1089 (11496)
[  361.981304][T11494] loop2: detected capacity change from 0 to 32768
[  362.015102][ T5243] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (5243)
[  362.034713][T11491] BTRFS info (device loop1): enabling ssd optimizations
[  362.038205][T11491] BTRFS info (device loop1): clearing free space tree
[  362.041479][T11494] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1088 (11494)
[  362.058709][T11491] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  362.061213][T11491] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  362.830628][T11506] loop0: detected capacity change from 0 to 32768
[  362.870545][T11506] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1090 (11506)
[  362.910293][T11506] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  362.912621][T11506] BTRFS info (device loop0): enabling disk space caching
[  362.914521][T11506] BTRFS info (device loop0): force clearing of disk cache
[  362.937301][T11506] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  362.944860][T11506] BTRFS info (device loop0): use zstd compression, level 3
[  362.946685][T11506] BTRFS info (device loop0): disk space caching is enabled
[  362.959282][T11506] BTRFS info (device loop0): has skinny extents
[  363.044737][T11523] loop2: detected capacity change from 0 to 32768
[  363.062737][T11520] loop4: detected capacity change from 0 to 32768
[  363.077435][T11520] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1091 (11520)
[  363.087391][T11521] loop3: detected capacity change from 0 to 32768
[  363.116487][T11523] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1094 (11523)
[  363.123868][T11525] loop1: detected capacity change from 0 to 32768
[  363.183176][T11521] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1093 (11521)
[  363.197605][T11506] BTRFS info (device loop0): enabling ssd optimizations
[  363.218081][T11506] BTRFS info (device loop0): clearing free space tree
[  363.219204][T11525] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1092 (11525)
[  363.220548][T11506] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  363.225418][T11506] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  363.229733][ T4576] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4576)
[  364.087771][T11546] loop4: detected capacity change from 0 to 32768
[  364.159829][T11550] loop1: detected capacity change from 0 to 32768
[  364.174410][T11548] loop3: detected capacity change from 0 to 32768
[  364.196691][T11546] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1095 (11546)
[  364.227461][T11554] loop0: detected capacity change from 0 to 32768
[  364.227891][T11552] loop2: detected capacity change from 0 to 32768
[  364.252295][T11546] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  364.254362][T11546] BTRFS info (device loop4): enabling disk space caching
[  364.256126][T11546] BTRFS info (device loop4): force clearing of disk cache
[  364.257757][T11546] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  364.267307][T11546] BTRFS info (device loop4): use zstd compression, level 3
[  364.270801][T11546] BTRFS info (device loop4): disk space caching is enabled
[  364.274070][T11548] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1098 (11548)
[  364.282442][T11546] BTRFS info (device loop4): has skinny extents
[  364.319076][T11550] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1096 (11550)
[  364.322541][ T5203] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (5203)
[  364.325342][T11554] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1097 (11554)
[  364.330961][T11552] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1099 (11552)
[  364.375728][ T4576] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4576)
[  364.416803][T11546] BTRFS info (device loop4): enabling ssd optimizations
[  364.426499][T11546] BTRFS info (device loop4): clearing free space tree
[  364.429210][T11546] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  364.431822][T11546] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  365.091577][T11576] loop1: detected capacity change from 0 to 32768
[  365.181516][T11576] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1100 (11576)
[  365.193904][T11572] loop0: detected capacity change from 0 to 32768
[  365.287908][T11576] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  365.290645][T11572] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1101 (11572)
[  365.293838][T11576] BTRFS info (device loop1): enabling disk space caching
[  365.295845][T11576] BTRFS info (device loop1): force clearing of disk cache
[  365.296770][T11578] loop3: detected capacity change from 0 to 32768
[  365.297889][T11576] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  365.308487][T11576] BTRFS info (device loop1): use zstd compression, level 3
[  365.310557][T11576] BTRFS info (device loop1): disk space caching is enabled
[  365.312461][T11576] BTRFS info (device loop1): has skinny extents
[  365.337174][T11578] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1102 (11578)
[  365.391398][T11583] loop2: detected capacity change from 0 to 32768
[  365.435395][T11583] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1104 (11583)
[  365.688412][T11576] BTRFS info (device loop1): enabling ssd optimizations
[  365.691185][T11576] BTRFS info (device loop1): clearing free space tree
[  365.692982][T11576] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  365.695392][T11576] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  365.936600][T11600] loop0: detected capacity change from 0 to 32768
[  365.980941][T11600] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1106 (11600)
[  366.017228][T11600] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  366.025724][T11600] BTRFS info (device loop0): enabling disk space caching
[  366.027678][T11600] BTRFS info (device loop0): force clearing of disk cache
[  366.035859][T11600] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  366.051411][T11600] BTRFS info (device loop0): use zstd compression, level 3
[  366.053273][T11600] BTRFS info (device loop0): disk space caching is enabled
[  366.055057][T11600] BTRFS info (device loop0): has skinny extents
[  366.336274][T11600] BTRFS info (device loop0): enabling ssd optimizations
[  366.339849][T11600] BTRFS info (device loop0): clearing free space tree
[  366.341597][T11600] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  366.344797][T11600] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  366.347572][T11608] loop4: detected capacity change from 0 to 32768
[  366.362877][T11608] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1107 (11608)
[  366.498532][T11597] loop3: detected capacity change from 0 to 32768
[  366.534383][T11606] loop2: detected capacity change from 0 to 32768
[  366.567322][T11606] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1108 (11606)
[  366.585237][T11606] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  366.587520][T11606] BTRFS info (device loop2): enabling disk space caching
[  366.589752][T11606] BTRFS info (device loop2): force clearing of disk cache
[  366.591536][T11606] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  366.594016][T11606] BTRFS info (device loop2): use zstd compression, level 3
[  366.595918][T11606] BTRFS info (device loop2): disk space caching is enabled
[  366.597644][T11606] BTRFS info (device loop2): has skinny extents
[  366.605263][ T5244] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (5244)
[  366.661169][T11612] loop1: detected capacity change from 0 to 32768
[  366.743793][T11597] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1105 (11597)
[  366.748461][T11612] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1109 (11612)
[  366.870421][T11606] BTRFS info (device loop2): enabling ssd optimizations
[  366.873101][T11606] BTRFS info (device loop2): clearing free space tree
[  366.875224][T11606] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  366.877655][T11606] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
1970/01/01 00:06:06 executed programs: 1107
[  367.135556][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by udevd (4575)
[  367.374795][T11635] loop0: detected capacity change from 0 to 32768
[  367.446388][T11633] loop4: detected capacity change from 0 to 32768
[  367.846547][T11659] loop1: detected capacity change from 0 to 32768
[  368.317513][T11665] loop0: detected capacity change from 0 to 32768
[  368.814370][T11667] loop4: detected capacity change from 0 to 32768
[  368.891374][T11669] loop2: detected capacity change from 0 to 32768
[  368.898855][T11673] loop1: detected capacity change from 0 to 32768
[  368.939665][T11671] loop3: detected capacity change from 0 to 32768
[  368.970992][T11673] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1120 (11673)
[  368.974381][T11669] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  368.977217][T11669] BTRFS info (device loop2): enabling disk space caching
[  368.987373][T11669] BTRFS info (device loop2): force clearing of disk cache
[  368.997521][T11669] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  369.000396][T11669] BTRFS info (device loop2): use zstd compression, level 3
[  369.007659][T11669] BTRFS info (device loop2): disk space caching is enabled
[  369.011183][T11669] BTRFS info (device loop2): has skinny extents
[  369.013563][T11671] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1119 (11671)
[  369.051911][T11675] loop0: detected capacity change from 0 to 32768
[  369.091497][T11675] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1121 (11675)
[  369.258552][T11669] BTRFS info (device loop2): enabling ssd optimizations
[  369.264228][T11669] BTRFS info (device loop2): clearing free space tree
[  369.266185][T11669] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  369.288428][T11669] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  369.637532][ T5203] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop2 scanned by udevd (5203)
[  369.737921][T11677] loop4: detected capacity change from 0 to 32768
[  369.798130][T11699] loop0: detected capacity change from 0 to 32768
[  369.859570][T11701] loop1: detected capacity change from 0 to 32768
[  369.947104][T11696] loop3: detected capacity change from 0 to 32768
[  370.407097][T11703] loop2: detected capacity change from 0 to 32768
[  370.658347][T11703] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  370.660764][T11703] BTRFS info (device loop2): enabling disk space caching
[  370.662851][T11703] BTRFS info (device loop2): force clearing of disk cache
[  370.664655][T11703] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  370.680273][T11703] BTRFS info (device loop2): use zstd compression, level 3
[  370.682141][T11703] BTRFS info (device loop2): disk space caching is enabled
[  370.684156][T11703] BTRFS info (device loop2): has skinny extents
[  370.796202][T11706] loop3: detected capacity change from 0 to 32768
[  370.811283][T11708] loop4: detected capacity change from 0 to 32768
[  370.871309][T11706] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1127 (11706)
[  370.875749][T11708] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1128 (11708)
[  370.882653][T11711] loop0: detected capacity change from 0 to 32768
[  370.898198][T11712] loop1: detected capacity change from 0 to 32768
[  370.937814][T11711] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1129 (11711)
[  370.993858][T11703] BTRFS info (device loop2): enabling ssd optimizations
[  370.996480][T11703] BTRFS info (device loop2): clearing free space tree
[  371.001103][T11703] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  371.003613][T11703] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  371.011409][ T5244] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5244)
[  371.015899][T11712] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1130 (11712)
[  371.935831][T11735] loop4: detected capacity change from 0 to 32768
[  371.971827][T11735] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1133 (11735)
[  372.027964][T11739] loop2: detected capacity change from 0 to 32768
[  372.043978][T11738] loop0: detected capacity change from 0 to 32768
[  372.051219][T11735] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  372.053861][T11735] BTRFS info (device loop4): enabling disk space caching
[  372.055665][T11735] BTRFS info (device loop4): force clearing of disk cache
[  372.057505][T11735] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  372.066093][T11735] BTRFS info (device loop4): use zstd compression, level 3
[  372.068026][T11735] BTRFS info (device loop4): disk space caching is enabled
[  372.085267][T11735] BTRFS info (device loop4): has skinny extents
[  372.095342][T11738] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1134 (11738)
[  372.137219][T11739] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1132 (11739)
[  372.139495][T11741] loop1: detected capacity change from 0 to 32768
[  372.191415][T11741] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1135 (11741)
[  372.233753][T11743] loop3: detected capacity change from 0 to 32768
[  372.277922][T11743] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1136 (11743)
1970/01/01 00:06:12 executed programs: 1131
[  372.413021][T11735] BTRFS info (device loop4): enabling ssd optimizations
[  372.416596][T11735] BTRFS info (device loop4): clearing free space tree
[  372.418829][T11735] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  372.422160][T11735] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  372.479290][ T5244] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5244)
[  372.885979][T11763] loop3: detected capacity change from 0 to 32768
[  372.931156][T11763] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1137 (11763)
[  372.976983][T11763] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  372.985319][T11763] BTRFS info (device loop3): enabling disk space caching
[  372.987247][T11763] BTRFS info (device loop3): force clearing of disk cache
[  372.995497][T11763] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  372.997919][T11763] BTRFS info (device loop3): use zstd compression, level 3
[  373.026041][T11763] BTRFS info (device loop3): disk space caching is enabled
[  373.027892][T11763] BTRFS info (device loop3): has skinny extents
[  373.187869][T11768] loop0: detected capacity change from 0 to 32768
[  373.195349][T11768] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1140 (11768)
[  373.374283][T11770] loop1: detected capacity change from 0 to 32768
[  373.394802][T11763] BTRFS info (device loop3): enabling ssd optimizations
[  373.397678][T11763] BTRFS info (device loop3): clearing free space tree
[  373.400094][T11763] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  373.402573][T11763] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  373.406856][T11766] loop2: detected capacity change from 0 to 32768
[  373.443774][T11770] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1141 (11770)
[  373.544800][T11766] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1138 (11766)
[  373.733588][T11772] loop4: detected capacity change from 0 to 32768
[  373.767657][T11772] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1139 (11772)
[  373.805669][T11772] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  373.808132][T11772] BTRFS info (device loop4): enabling disk space caching
[  373.843251][T11772] BTRFS info (device loop4): force clearing of disk cache
[  373.849952][T11772] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  373.852466][T11772] BTRFS info (device loop4): use zstd compression, level 3
[  373.864971][T11772] BTRFS info (device loop4): disk space caching is enabled
[  373.868195][T11790] loop0: detected capacity change from 0 to 32768
[  373.875154][T11772] BTRFS info (device loop4): has skinny extents
[  373.922905][T11790] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1142 (11790)
[  374.097473][T11772] BTRFS info (device loop4): enabling ssd optimizations
[  374.101623][T11772] BTRFS info (device loop4): clearing free space tree
[  374.103427][T11772] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  374.105938][T11772] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  374.521477][T11805] loop1: detected capacity change from 0 to 32768
[  374.545622][T11805] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1145 (11805)
[  374.577771][T11805] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  374.580407][T11805] BTRFS info (device loop1): enabling disk space caching
[  374.582249][T11805] BTRFS info (device loop1): force clearing of disk cache
[  374.584318][T11805] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  374.607246][T11805] BTRFS info (device loop1): use zstd compression, level 3
[  374.615413][T11805] BTRFS info (device loop1): disk space caching is enabled
[  374.627782][T11805] BTRFS info (device loop1): has skinny extents
[  374.841482][T11819] loop3: detected capacity change from 0 to 32768
[  374.916164][T11819] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1146 (11819)
[  374.977298][T11805] BTRFS info (device loop1): enabling ssd optimizations
[  374.980160][T11805] BTRFS info (device loop1): clearing free space tree
[  374.981932][T11805] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  374.984319][T11805] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  375.106953][T11797] loop2: detected capacity change from 0 to 32768
[  375.115528][T11822] loop0: detected capacity change from 0 to 32768
[  375.193576][T11797] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1144 (11797)
[  375.240148][T11824] loop4: detected capacity change from 0 to 32768
[  375.244928][T11822] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1148 (11822)
[  375.323270][T11824] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1147 (11824)
[  375.376518][T11824] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  375.379182][T11824] BTRFS info (device loop4): enabling disk space caching
[  375.381266][T11824] BTRFS info (device loop4): force clearing of disk cache
[  375.383185][T11824] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  375.385818][T11824] BTRFS info (device loop4): use zstd compression, level 3
[  375.387659][T11824] BTRFS info (device loop4): disk space caching is enabled
[  375.428502][T11844] loop3: detected capacity change from 0 to 32768
[  375.430828][T11824] BTRFS info (device loop4): has skinny extents
[  375.486514][T11844] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1149 (11844)
[  375.713992][T11824] BTRFS info (device loop4): enabling ssd optimizations
[  375.717196][T11824] BTRFS info (device loop4): clearing free space tree
[  375.725496][T11824] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  375.728168][T11824] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  376.212598][T11847] loop1: detected capacity change from 0 to 32768
[  376.280940][T11847] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1150 (11847)
[  376.345625][T11847] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  376.347908][T11847] BTRFS info (device loop1): enabling disk space caching
[  376.350230][T11847] BTRFS info (device loop1): force clearing of disk cache
[  376.351977][T11847] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  376.354220][T11847] BTRFS info (device loop1): use zstd compression, level 3
[  376.366777][T11851] loop2: detected capacity change from 0 to 32768
[  376.375871][T11847] BTRFS info (device loop1): disk space caching is enabled
[  376.380716][T11847] BTRFS info (device loop1): has skinny extents
[  376.452536][T11853] loop0: detected capacity change from 0 to 32768
[  376.456494][T11851] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1151 (11851)
[  376.494918][T11872] loop3: detected capacity change from 0 to 32768
[  376.528598][T11853] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1152 (11853)
[  376.570526][T11872] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1154 (11872)
[  376.611278][T11847] BTRFS info (device loop1): enabling ssd optimizations
[  376.631463][T11847] BTRFS info (device loop1): clearing free space tree
[  376.633329][T11847] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  376.635805][T11847] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  376.640190][ T5203] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5203)
[  376.856770][ T2057] ieee802154 phy0 wpan0: encryption failed: -22
[  376.858424][ T2057] ieee802154 phy1 wpan1: encryption failed: -22
[  376.861994][T11874] loop4: detected capacity change from 0 to 32768
[  376.981055][T11874] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1153 (11874)
[  377.010407][T11874] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  377.012854][T11874] BTRFS info (device loop4): enabling disk space caching
[  377.014726][T11874] BTRFS info (device loop4): force clearing of disk cache
[  377.016751][T11874] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  377.038371][T11874] BTRFS info (device loop4): use zstd compression, level 3
[  377.040228][T11874] BTRFS info (device loop4): disk space caching is enabled
[  377.042199][T11874] BTRFS info (device loop4): has skinny extents
[  377.243715][T11896] loop2: detected capacity change from 0 to 32768
[  377.320527][T11897] loop3: detected capacity change from 0 to 32768
[  377.376503][T11874] BTRFS info (device loop4): enabling ssd optimizations
[  377.388215][T11896] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1156 (11896)
[  377.391844][T11874] BTRFS info (device loop4): clearing free space tree
[  377.393798][T11874] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  377.396350][T11874] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  377.451857][T11897] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1155 (11897)
1970/01/01 00:06:17 executed programs: 1153
[  377.650477][T11899] loop0: detected capacity change from 0 to 32768
[  377.677001][T11901] loop1: detected capacity change from 0 to 32768
[  377.684642][T11899] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1158 (11899)
[  377.766219][T11899] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  377.768989][T11899] BTRFS info (device loop0): enabling disk space caching
[  377.770826][T11899] BTRFS info (device loop0): force clearing of disk cache
[  377.772667][T11899] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  377.796204][ T4576] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 11 scanned by udevd (4576)
[  377.808538][T11899] BTRFS info (device loop0): use zstd compression, level 3
[  377.810900][T11899] BTRFS info (device loop0): disk space caching is enabled
[  377.813289][T11899] BTRFS info (device loop0): has skinny extents
[  377.819448][T11901] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1157 (11901)
[  378.059710][T11899] BTRFS info (device loop0): enabling ssd optimizations
[  378.062475][T11899] BTRFS info (device loop0): clearing free space tree
[  378.064518][T11899] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  378.067037][T11899] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  378.231870][T11923] loop2: detected capacity change from 0 to 32768
[  378.352858][T11921] loop4: detected capacity change from 0 to 32768
[  378.381463][T11923] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1160 (11923)
[  378.424269][T11921] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1159 (11921)
[  378.429875][T11923] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  378.432272][T11923] BTRFS info (device loop2): enabling disk space caching
[  378.434168][T11923] BTRFS info (device loop2): force clearing of disk cache
[  378.435954][T11923] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  378.450022][T11923] BTRFS info (device loop2): use zstd compression, level 3
[  378.451929][T11923] BTRFS info (device loop2): disk space caching is enabled
[  378.454090][T11923] BTRFS info (device loop2): has skinny extents
[  378.480015][T11925] loop3: detected capacity change from 0 to 32768
[  378.583933][T11925] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1161 (11925)
[  378.698979][T11923] BTRFS info (device loop2): enabling ssd optimizations
[  378.702366][T11923] BTRFS info (device loop2): clearing free space tree
[  378.710132][T11923] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  378.712746][T11923] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  378.944522][ T5203] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5203)
[  379.198515][T11945] loop1: detected capacity change from 0 to 32768
[  379.241089][T11945] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1162 (11945)
[  379.430201][T11970] loop0: detected capacity change from 0 to 32768
[  379.432123][T11945] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  379.434545][T11945] BTRFS info (device loop1): enabling disk space caching
[  379.436301][T11945] BTRFS info (device loop1): force clearing of disk cache
[  379.438174][T11945] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  379.451923][T11945] BTRFS info (device loop1): use zstd compression, level 3
[  379.453917][T11945] BTRFS info (device loop1): disk space caching is enabled
[  379.455749][T11945] BTRFS info (device loop1): has skinny extents
[  379.481860][T11970] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1165 (11970)
[  379.566083][T11968] loop3: detected capacity change from 0 to 32768
[  379.615333][T11972] loop4: detected capacity change from 0 to 32768
[  379.625548][T11968] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1164 (11968)
[  379.665702][T11945] BTRFS info (device loop1): enabling ssd optimizations
[  379.673743][T11972] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1166 (11972)
[  379.679707][T11945] BTRFS info (device loop1): clearing free space tree
[  379.681843][T11945] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  379.684652][T11945] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  380.045887][ T4576] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by udevd (4576)
[  380.587291][T11997] loop0: detected capacity change from 0 to 32768
[  380.661775][T11999] loop2: detected capacity change from 0 to 32768
[  380.722408][T12003] loop3: detected capacity change from 0 to 32768
[  381.490925][T12007] loop4: detected capacity change from 0 to 32768
[  381.665032][T12011] loop1: detected capacity change from 0 to 32768
[  381.704281][T12011] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  381.706835][T12011] BTRFS info (device loop1): enabling disk space caching
[  381.711218][T12009] loop2: detected capacity change from 0 to 32768
[  381.720631][T12011] BTRFS info (device loop1): force clearing of disk cache
[  381.722594][T12011] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  381.735404][T12011] BTRFS info (device loop1): use zstd compression, level 3
[  381.737285][T12011] BTRFS info (device loop1): disk space caching is enabled
[  381.740994][T12011] BTRFS info (device loop1): has skinny extents
[  381.761202][T12009] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1174 (12009)
[  381.898161][T12013] loop0: detected capacity change from 0 to 32768
[  381.906701][T12015] loop3: detected capacity change from 0 to 32768
[  381.944180][T12011] BTRFS info (device loop1): enabling ssd optimizations
[  381.947298][T12011] BTRFS info (device loop1): clearing free space tree
[  381.955940][T12011] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  381.959158][T12011] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  382.011634][T12013] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1176 (12013)
[  382.050333][T12015] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1177 (12015)
[  382.574878][T12023] loop4: detected capacity change from 0 to 32768
[  382.617595][T12023] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1178 (12023)
[  382.648745][T12023] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  382.651079][T12023] BTRFS info (device loop4): enabling disk space caching
[  382.663176][T12023] BTRFS info (device loop4): force clearing of disk cache
[  382.665155][T12023] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  382.667637][T12023] BTRFS info (device loop4): use zstd compression, level 3
[  382.699847][T12023] BTRFS info (device loop4): disk space caching is enabled
[  382.701767][T12023] BTRFS info (device loop4): has skinny extents
[  382.712615][T12038] loop2: detected capacity change from 0 to 32768
[  382.761278][T12038] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1179 (12038)
[  382.832369][T12040] loop0: detected capacity change from 0 to 32768
[  382.924739][T12040] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1181 (12040)
1970/01/01 00:06:22 executed programs: 1177
[  383.068434][T12023] BTRFS info (device loop4): enabling ssd optimizations
[  383.088453][T12023] BTRFS info (device loop4): clearing free space tree
[  383.090971][T12023] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  383.093822][T12023] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  383.174396][T12042] loop1: detected capacity change from 0 to 32768
[  383.231180][T12042] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1180 (12042)
[  383.383720][T12044] loop3: detected capacity change from 0 to 32768
[  383.501429][T12044] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1182 (12044)
[  383.511093][T12044] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  383.513605][T12044] BTRFS info (device loop3): enabling disk space caching
[  383.545074][T12044] BTRFS info (device loop3): force clearing of disk cache
[  383.555254][T12044] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  383.565382][T12044] BTRFS info (device loop3): use zstd compression, level 3
[  383.567484][T12044] BTRFS info (device loop3): disk space caching is enabled
[  383.585345][T12044] BTRFS info (device loop3): has skinny extents
[  383.876486][T12068] loop0: detected capacity change from 0 to 32768
[  383.888494][T12068] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1185 (12068)
[  383.894803][T12044] BTRFS info (device loop3): enabling ssd optimizations
[  383.897923][T12044] BTRFS info (device loop3): clearing free space tree
[  383.900774][T12044] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  383.903511][T12044] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  384.060608][T12064] loop2: detected capacity change from 0 to 32768
[  384.170067][T12064] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1183 (12064)
[  384.253390][T12064] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  384.256448][T12064] BTRFS info (device loop2): enabling disk space caching
[  384.267719][T12064] BTRFS info (device loop2): force clearing of disk cache
[  384.276770][T12064] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  384.286709][T12064] BTRFS info (device loop2): use zstd compression, level 3
[  384.299326][T12064] BTRFS info (device loop2): disk space caching is enabled
[  384.301865][T12064] BTRFS info (device loop2): has skinny extents
[  384.483306][T12081] loop4: detected capacity change from 0 to 32768
[  384.491638][T12081] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1184 (12081)
[  384.608389][T12064] BTRFS info (device loop2): enabling ssd optimizations
[  384.663517][T12064] BTRFS info (device loop2): clearing free space tree
[  384.665303][T12064] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  384.667815][T12064] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  384.719726][T12093] loop0: detected capacity change from 0 to 32768
[  384.772932][T12093] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1188 (12093)
[  384.894894][T12078] loop1: detected capacity change from 0 to 32768
[  385.000932][T12078] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1186 (12078)
[  385.041020][T12078] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  385.043505][T12078] BTRFS info (device loop1): enabling disk space caching
[  385.045459][T12078] BTRFS info (device loop1): force clearing of disk cache
[  385.047504][T12078] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  385.088941][T12078] BTRFS info (device loop1): use zstd compression, level 3
[  385.090876][T12078] BTRFS info (device loop1): disk space caching is enabled
[  385.093327][T12078] BTRFS info (device loop1): has skinny extents
[  385.155996][ T4575] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4575)
[  385.332076][T12095] loop3: detected capacity change from 0 to 32768
[  385.343764][T12095] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1187 (12095)
[  385.434414][T12117] loop0: detected capacity change from 0 to 32768
[  385.458251][T12078] BTRFS info (device loop1): enabling ssd optimizations
[  385.474857][T12078] BTRFS info (device loop1): clearing free space tree
[  385.477051][T12078] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  385.482917][T12117] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1191 (12117)
[  385.487170][T12078] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  385.545639][T12114] loop4: detected capacity change from 0 to 32768
[  385.591602][T12114] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1189 (12114)
[  386.061288][T12125] loop2: detected capacity change from 0 to 32768
[  386.091837][T12125] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1190 (12125)
[  386.131500][T12125] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  386.133910][T12125] BTRFS info (device loop2): enabling disk space caching
[  386.135653][T12125] BTRFS info (device loop2): force clearing of disk cache
[  386.139047][T12125] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  386.141481][T12125] BTRFS info (device loop2): use zstd compression, level 3
[  386.143443][T12125] BTRFS info (device loop2): disk space caching is enabled
[  386.145238][T12125] BTRFS info (device loop2): has skinny extents
[  386.185402][T12137] loop3: detected capacity change from 0 to 32768
[  386.230554][T12137] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1192 (12137)
[  386.325464][T12141] loop0: detected capacity change from 0 to 32768
[  386.375716][T12141] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1194 (12141)
[  386.529558][T12125] BTRFS info (device loop2): enabling ssd optimizations
[  386.532306][T12125] BTRFS info (device loop2): clearing free space tree
[  386.534621][T12125] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  386.537613][T12125] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  386.827998][T12145] loop1: detected capacity change from 0 to 32768
[  386.853874][T12143] loop4: detected capacity change from 0 to 32768
[  386.868136][T12143] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1195 (12143)
[  386.888745][T12143] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  386.891086][T12143] BTRFS info (device loop4): enabling disk space caching
[  386.892973][T12143] BTRFS info (device loop4): force clearing of disk cache
[  386.906254][T12143] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  386.915702][T12145] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1193 (12145)
[  386.918430][T12143] BTRFS info (device loop4): use zstd compression, level 3
[  386.920789][T12143] BTRFS info (device loop4): disk space caching is enabled
[  386.922787][T12143] BTRFS info (device loop4): has skinny extents
[  387.095027][T12168] loop0: detected capacity change from 0 to 32768
[  387.141207][T12168] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1197 (12168)
[  387.168047][T12164] loop3: detected capacity change from 0 to 32768
[  387.235674][T12143] BTRFS info (device loop4): enabling ssd optimizations
[  387.241450][T12164] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1196 (12164)
[  387.245832][T12143] BTRFS info (device loop4): clearing free space tree
[  387.247686][T12143] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  387.265565][T12143] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  387.482361][T12170] loop2: detected capacity change from 0 to 32768
[  387.552158][T12170] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1198 (12170)
[  387.589061][T12170] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  387.591532][T12170] BTRFS info (device loop2): enabling disk space caching
[  387.593337][T12170] BTRFS info (device loop2): force clearing of disk cache
[  387.595128][T12170] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  387.629659][T12170] BTRFS info (device loop2): use zstd compression, level 3
[  387.631547][T12170] BTRFS info (device loop2): disk space caching is enabled
[  387.633452][T12170] BTRFS info (device loop2): has skinny extents
[  387.790041][T12192] loop0: detected capacity change from 0 to 32768
[  387.848513][T12170] BTRFS info (device loop2): enabling ssd optimizations
[  387.859658][T12192] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1199 (12192)
[  387.864095][T12170] BTRFS info (device loop2): clearing free space tree
[  387.866691][T12170] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  387.870979][T12170] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
1970/01/01 00:06:28 executed programs: 1198
[  388.320834][T12197] loop3: detected capacity change from 0 to 32768
[  388.336022][T12193] loop1: detected capacity change from 0 to 32768
[  388.389486][T12197] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1202 (12197)
[  388.451979][T12193] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1200 (12193)
[  388.455392][T12197] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  388.457873][T12197] BTRFS info (device loop3): enabling disk space caching
[  388.463020][T12197] BTRFS info (device loop3): force clearing of disk cache
[  388.464858][T12197] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  388.467329][T12197] BTRFS info (device loop3): use zstd compression, level 3
[  388.504980][T12197] BTRFS info (device loop3): disk space caching is enabled
[  388.506722][T12197] BTRFS info (device loop3): has skinny extents
[  388.828439][T12197] BTRFS info (device loop3): enabling ssd optimizations
[  388.845823][T12197] BTRFS info (device loop3): clearing free space tree
[  388.847918][T12197] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  388.856708][T12197] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  389.195950][T12220] loop0: detected capacity change from 0 to 32768
[  389.235918][T12222] loop4: detected capacity change from 0 to 32768
[  389.254368][T12220] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1204 (12220)
[  389.297337][T12222] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1205 (12222)
[  389.301885][T12220] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  389.304066][T12220] BTRFS info (device loop0): enabling disk space caching
[  389.305786][T12220] BTRFS info (device loop0): force clearing of disk cache
[  389.307573][T12220] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  389.313270][T12220] BTRFS info (device loop0): use zstd compression, level 3
[  389.328450][T12220] BTRFS info (device loop0): disk space caching is enabled
[  389.331686][T12220] BTRFS info (device loop0): has skinny extents
[  389.562055][T12244] loop1: detected capacity change from 0 to 32768
[  389.564964][ T5203] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (5203)
[  389.624658][T12244] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1207 (12244)
[  389.688583][T12220] BTRFS info (device loop0): enabling ssd optimizations
[  389.699593][T12220] BTRFS info (device loop0): clearing free space tree
[  389.701418][T12220] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  389.704025][T12220] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  389.790082][T12247] loop2: detected capacity change from 0 to 32768
[  389.831812][T12247] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1209 (12247)
[  389.844009][T12249] loop3: detected capacity change from 0 to 32768
[  389.866222][T12249] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1208 (12249)
[  390.096178][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by udevd (4575)
[  390.258126][T12255] loop4: detected capacity change from 0 to 32768
[  390.347766][T12255] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  390.351316][T12255] BTRFS info (device loop4): enabling disk space caching
[  390.353299][T12255] BTRFS info (device loop4): force clearing of disk cache
[  390.355217][T12255] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  390.388767][T12255] BTRFS info (device loop4): use zstd compression, level 3
[  390.390768][T12255] BTRFS info (device loop4): disk space caching is enabled
[  390.392821][T12255] BTRFS info (device loop4): has skinny extents
[  390.469250][T12272] loop1: detected capacity change from 0 to 32768
[  390.539973][T12272] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1212 (12272)
[  390.687774][T12255] BTRFS info (device loop4): enabling ssd optimizations
[  390.704039][T12255] BTRFS info (device loop4): clearing free space tree
[  390.705867][T12255] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  390.709152][T12255] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  390.795546][T12279] loop3: detected capacity change from 0 to 32768
[  390.827214][T12279] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1214 (12279)
[  390.953475][ T5203] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5203)
[  391.127769][ T5243] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop4 scanned by udevd (5243)
[  391.644405][T12300] loop2: detected capacity change from 0 to 32768
[  391.685409][T12303] loop1: detected capacity change from 0 to 32768
[  391.747848][T12302] loop3: detected capacity change from 0 to 32768
[  391.837064][T12307] loop0: detected capacity change from 0 to 32768
[  392.701886][T12313] loop4: detected capacity change from 0 to 32768
[  392.717024][T12310] loop3: detected capacity change from 0 to 32768
[  392.753831][T12314] loop2: detected capacity change from 0 to 32768
[  392.800592][T12310] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1220 (12310)
[  392.803794][T12313] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  392.806219][T12313] BTRFS info (device loop4): enabling disk space caching
[  392.808227][T12313] BTRFS info (device loop4): force clearing of disk cache
[  392.818784][T12313] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  392.828417][T12313] BTRFS info (device loop4): use zstd compression, level 3
[  392.829767][T12314] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1222 (12314)
[  392.830602][T12313] BTRFS info (device loop4): disk space caching is enabled
[  392.835187][T12313] BTRFS info (device loop4): has skinny extents
[  392.866425][ T4576] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4576)
[  392.954894][T12316] loop1: detected capacity change from 0 to 32768
[  392.981602][T12316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1223 (12316)
[  393.093704][T12323] loop2: detected capacity change from 0 to 32768
[  393.115892][T12318] loop0: detected capacity change from 0 to 32768
[  393.120214][T12313] BTRFS info (device loop4): enabling ssd optimizations
[  393.123226][T12313] BTRFS info (device loop4): clearing free space tree
[  393.124969][T12313] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  393.127447][T12313] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  393.148204][T12323] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1225 (12323)
[  393.181558][T12318] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1224 (12318)
1970/01/01 00:06:33 executed programs: 1220
[  393.418142][ T4576] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop4 scanned by udevd (4576)
[  394.035105][T12340] loop3: detected capacity change from 0 to 32768
[  394.048862][T12342] loop1: detected capacity change from 0 to 32768
[  394.175328][T12347] loop0: detected capacity change from 0 to 32768
[  394.437590][T12349] loop2: detected capacity change from 0 to 32768
[  394.963480][T12351] loop3: detected capacity change from 0 to 32768
[  395.158734][T12354] loop1: detected capacity change from 0 to 32768
[  395.194526][T12355] loop4: detected capacity change from 0 to 32768
[  395.307923][T12355] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  395.310339][T12355] BTRFS info (device loop4): enabling disk space caching
[  395.312132][T12357] loop0: detected capacity change from 0 to 32768
[  395.320476][T12355] BTRFS info (device loop4): force clearing of disk cache
[  395.322333][T12355] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  395.337106][T12359] loop2: detected capacity change from 0 to 32768
[  395.343004][T12355] BTRFS info (device loop4): use zstd compression, level 3
[  395.348415][T12355] BTRFS info (device loop4): disk space caching is enabled
[  395.350201][T12355] BTRFS info (device loop4): has skinny extents
[  395.361284][T12357] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1234 (12357)
[  395.391030][T12359] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1235 (12359)
[  395.671102][T12355] BTRFS info (device loop4): enabling ssd optimizations
[  395.674633][T12355] BTRFS info (device loop4): clearing free space tree
[  395.676475][T12355] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  395.679679][T12355] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  395.856249][T12363] loop3: detected capacity change from 0 to 32768
[  395.907162][T12361] loop1: detected capacity change from 0 to 32768
[  395.938396][T12363] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1237 (12363)
[  395.945717][T12363] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  395.948069][T12363] BTRFS info (device loop3): enabling disk space caching
[  395.955914][T12361] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1236 (12361)
[  395.967164][T12363] BTRFS info (device loop3): force clearing of disk cache
[  395.986492][T12363] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  395.992867][T12363] BTRFS info (device loop3): use zstd compression, level 3
[  396.008330][T12363] BTRFS info (device loop3): disk space caching is enabled
[  396.010345][T12363] BTRFS info (device loop3): has skinny extents
[  396.087635][ T4575] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4575)
[  396.243862][T12386] loop2: detected capacity change from 0 to 32768
[  396.274943][T12386] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1240 (12386)
[  396.308472][T12363] BTRFS info (device loop3): enabling ssd optimizations
[  396.327827][T12363] BTRFS info (device loop3): clearing free space tree
[  396.329721][T12363] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  396.332409][T12363] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  396.620643][T12388] loop4: detected capacity change from 0 to 32768
[  396.664610][T12388] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1239 (12388)
[  396.704309][T12382] loop0: detected capacity change from 0 to 32768
[  396.736265][T12388] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  396.739351][T12388] BTRFS info (device loop4): enabling disk space caching
[  396.741333][T12388] BTRFS info (device loop4): force clearing of disk cache
[  396.743177][T12388] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  396.745551][T12388] BTRFS info (device loop4): use zstd compression, level 3
[  396.747672][T12388] BTRFS info (device loop4): disk space caching is enabled
[  396.755432][ T5203] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 11 scanned by udevd (5203)
[  396.773438][T12388] BTRFS info (device loop4): has skinny extents
[  396.778377][T12382] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1238 (12382)
[  396.947209][T12391] loop1: detected capacity change from 0 to 32768
[  397.026618][T12391] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1241 (12391)
[  397.104759][T12388] BTRFS info (device loop4): enabling ssd optimizations
[  397.107602][T12388] BTRFS info (device loop4): clearing free space tree
[  397.107696][T12413] loop3: detected capacity change from 0 to 32768
[  397.110283][T12388] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  397.113934][T12388] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  397.176378][T12413] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1243 (12413)
[  397.205805][ T5203] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5203)
[  397.256688][T12411] loop2: detected capacity change from 0 to 32768
[  397.310582][T12411] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1242 (12411)
[  397.515693][ T5243] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by udevd (5243)
[  397.982966][T12433] loop0: detected capacity change from 0 to 32768
[  398.068762][T12435] loop3: detected capacity change from 0 to 32768
1970/01/01 00:06:38 executed programs: 1243
[  398.337943][T12441] loop1: detected capacity change from 0 to 32768
[  399.001533][T12445] loop2: detected capacity change from 0 to 32768
[  399.063252][T12447] loop4: detected capacity change from 0 to 32768
[  399.160497][T12447] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  399.162789][T12447] BTRFS info (device loop4): enabling disk space caching
[  399.164632][T12447] BTRFS info (device loop4): force clearing of disk cache
[  399.166465][T12447] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  399.171107][T12449] loop0: detected capacity change from 0 to 32768
[  399.173025][T12447] BTRFS info (device loop4): use zstd compression, level 3
[  399.175124][T12447] BTRFS info (device loop4): disk space caching is enabled
[  399.177012][T12447] BTRFS info (device loop4): has skinny extents
[  399.208543][T12453] loop1: detected capacity change from 0 to 32768
[  399.230604][T12449] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1251 (12449)
[  399.250715][T12451] loop3: detected capacity change from 0 to 32768
[  399.264435][T12453] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1253 (12453)
[  399.306622][T12451] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1252 (12451)
[  399.364376][ T4575] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4575)
[  399.405161][T12447] BTRFS info (device loop4): enabling ssd optimizations
[  399.436573][T12447] BTRFS info (device loop4): clearing free space tree
[  399.438755][T12447] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  399.448891][T12447] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  400.162952][T12476] loop1: detected capacity change from 0 to 32768
[  400.181224][T12471] loop0: detected capacity change from 0 to 32768
[  400.186153][T12471] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1254 (12471)
[  400.242044][T12471] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  400.244482][T12471] BTRFS info (device loop0): enabling disk space caching
[  400.246638][T12471] BTRFS info (device loop0): force clearing of disk cache
[  400.254440][T12471] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  400.268200][T12476] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1256 (12476)
[  400.274621][T12468] loop2: detected capacity change from 0 to 32768
[  400.296502][T12471] BTRFS info (device loop0): use zstd compression, level 3
[  400.298437][T12471] BTRFS info (device loop0): disk space caching is enabled
[  400.300532][T12471] BTRFS info (device loop0): has skinny extents
[  400.306314][T12480] loop3: detected capacity change from 0 to 32768
[  400.394772][T12480] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1257 (12480)
[  400.399599][T12468] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1255 (12468)
[  400.435765][ T5243] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5243)
[  400.451612][T12482] loop4: detected capacity change from 0 to 32768
[  400.456059][ T5203] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (5203)
[  400.605750][T12471] BTRFS info (device loop0): enabling ssd optimizations
[  400.612397][T12482] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1258 (12482)
[  400.612984][T12471] BTRFS info (device loop0): clearing free space tree
[  400.617556][T12471] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  400.645385][T12471] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  400.786745][T12499] loop3: detected capacity change from 0 to 32768
[  400.917241][T12499] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1260 (12499)
[  400.971922][T12499] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  400.974399][T12499] BTRFS info (device loop3): enabling disk space caching
[  400.976818][T12499] BTRFS info (device loop3): force clearing of disk cache
[  400.995630][T12499] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  401.009186][T12499] BTRFS info (device loop3): use zstd compression, level 3
[  401.010969][T12499] BTRFS info (device loop3): disk space caching is enabled
[  401.012824][T12499] BTRFS info (device loop3): has skinny extents
[  401.134381][T12495] loop2: detected capacity change from 0 to 32768
[  401.201523][T12495] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1259 (12495)
[  401.213543][T12507] loop1: detected capacity change from 0 to 32768
[  401.256812][T12499] BTRFS info (device loop3): enabling ssd optimizations
[  401.260429][T12499] BTRFS info (device loop3): clearing free space tree
[  401.262949][T12499] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  401.265361][T12499] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  401.321840][T12507] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1261 (12507)
[  401.682868][T12511] loop0: detected capacity change from 0 to 32768
[  401.755394][T12511] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1262 (12511)
[  401.793535][T12509] loop4: detected capacity change from 0 to 32768
[  401.820204][T12511] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  401.822582][T12511] BTRFS info (device loop0): enabling disk space caching
[  401.824375][T12511] BTRFS info (device loop0): force clearing of disk cache
[  401.826147][T12511] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  401.830974][T12511] BTRFS info (device loop0): use zstd compression, level 3
[  401.832912][T12509] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1263 (12509)
[  401.835814][T12511] BTRFS info (device loop0): disk space caching is enabled
[  401.837665][T12511] BTRFS info (device loop0): has skinny extents
[  402.107529][T12511] BTRFS info (device loop0): enabling ssd optimizations
[  402.116486][T12511] BTRFS info (device loop0): clearing free space tree
[  402.119400][T12511] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  402.122089][T12511] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  402.135568][T12531] loop2: detected capacity change from 0 to 32768
[  402.227354][T12531] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1264 (12531)
[  402.394742][T12534] loop1: detected capacity change from 0 to 32768
[  402.474843][T12534] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1266 (12534)
[  402.517429][T12534] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  402.519983][T12534] BTRFS info (device loop1): enabling disk space caching
[  402.521692][T12534] BTRFS info (device loop1): force clearing of disk cache
[  402.523464][T12534] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  402.525624][T12534] BTRFS info (device loop1): use zstd compression, level 3
[  402.527266][T12534] BTRFS info (device loop1): disk space caching is enabled
[  402.563092][T12534] BTRFS info (device loop1): has skinny extents
[  402.757596][T12535] loop3: detected capacity change from 0 to 32768
[  402.790256][T12561] loop2: detected capacity change from 0 to 32768
[  402.868923][T12534] BTRFS info (device loop1): enabling ssd optimizations
[  402.872599][T12534] BTRFS info (device loop1): clearing free space tree
[  402.874375][T12534] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  402.876768][T12534] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  402.888804][T12535] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1265 (12535)
[  402.937145][T12556] loop4: detected capacity change from 0 to 32768
[  402.951030][T12561] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1269 (12561)
[  403.026097][T12556] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1267 (12556)
[  403.040384][T12558] loop0: detected capacity change from 0 to 32768
[  403.113704][T12558] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1268 (12558)
[  403.235722][ T4576] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by udevd (4576)
1970/01/01 00:06:43 executed programs: 1266
[  404.086325][T12589] loop2: detected capacity change from 0 to 32768
[  404.116742][T12589] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  404.119860][T12589] BTRFS info (device loop2): enabling disk space caching
[  404.121695][T12589] BTRFS info (device loop2): force clearing of disk cache
[  404.123692][T12589] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  404.150343][T12589] BTRFS info (device loop2): use zstd compression, level 3
[  404.152671][T12589] BTRFS info (device loop2): disk space caching is enabled
[  404.160498][T12589] BTRFS info (device loop2): has skinny extents
[  404.209351][T12591] loop0: detected capacity change from 0 to 32768
[  404.222367][T12587] loop3: detected capacity change from 0 to 32768
[  404.232124][T12591] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1272 (12591)
[  404.274816][T12587] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1273 (12587)
[  404.439566][T12589] BTRFS info (device loop2): enabling ssd optimizations
[  404.446099][T12589] BTRFS info (device loop2): clearing free space tree
[  404.447998][T12589] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  404.451555][T12589] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  404.724415][T12606] loop1: detected capacity change from 0 to 32768
[  404.817514][T12606] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1276 (12606)
[  404.877278][T12606] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  404.881136][T12606] BTRFS info (device loop1): enabling disk space caching
[  404.882975][T12606] BTRFS info (device loop1): force clearing of disk cache
[  404.884772][T12606] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  404.887431][T12606] BTRFS info (device loop1): use zstd compression, level 3
[  404.917032][T12606] BTRFS info (device loop1): disk space caching is enabled
[  404.927223][T12606] BTRFS info (device loop1): has skinny extents
[  405.282814][T12606] BTRFS info (device loop1): enabling ssd optimizations
[  405.286136][T12606] BTRFS info (device loop1): clearing free space tree
[  405.287997][T12606] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  405.291824][T12606] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  405.557567][T12618] loop3: detected capacity change from 0 to 32768
[  405.565471][T12616] loop0: detected capacity change from 0 to 32768
[  405.591132][T12618] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1279 (12618)
[  405.629094][T12620] loop2: detected capacity change from 0 to 32768
[  405.645575][T12618] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  405.648904][T12618] BTRFS info (device loop3): enabling disk space caching
[  405.649660][T12616] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1278 (12616)
[  405.650795][T12618] BTRFS info (device loop3): force clearing of disk cache
[  405.655720][T12618] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  405.658151][T12618] BTRFS info (device loop3): use zstd compression, level 3
[  405.688478][T12618] BTRFS info (device loop3): disk space caching is enabled
[  405.690433][T12618] BTRFS info (device loop3): has skinny extents
[  405.710424][T12620] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1277 (12620)
[  405.821239][T12638] loop4: detected capacity change from 0 to 32768
[  405.905583][T12638] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1280 (12638)
[  405.991645][T12618] BTRFS info (device loop3): enabling ssd optimizations
[  405.994414][T12618] BTRFS info (device loop3): clearing free space tree
[  405.996127][T12618] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  406.000816][T12618] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  406.056091][ T4576] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4576)
[  406.734861][T12662] loop2: detected capacity change from 0 to 32768
[  406.800750][T12662] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1282 (12662)
[  406.843311][T12665] loop4: detected capacity change from 0 to 32768
[  406.849361][T12667] loop0: detected capacity change from 0 to 32768
[  406.908056][T12665] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1283 (12665)
[  406.912752][T12662] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  406.915301][T12662] BTRFS info (device loop2): enabling disk space caching
[  406.927282][T12662] BTRFS info (device loop2): force clearing of disk cache
[  406.930905][T12662] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  406.933459][T12662] BTRFS info (device loop2): use zstd compression, level 3
[  406.935343][T12662] BTRFS info (device loop2): disk space caching is enabled
[  406.937275][T12662] BTRFS info (device loop2): has skinny extents
[  406.986230][T12667] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1284 (12667)
[  407.141596][T12672] loop1: detected capacity change from 0 to 32768
[  407.181104][T12672] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1286 (12672)
[  407.191312][T12662] BTRFS info (device loop2): enabling ssd optimizations
[  407.194166][T12662] BTRFS info (device loop2): clearing free space tree
[  407.196260][T12662] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  407.206361][T12662] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  407.494032][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop2 scanned by udevd (4575)
[  407.647315][T12694] loop4: detected capacity change from 0 to 32768
[  408.028740][T12683] loop3: detected capacity change from 0 to 32768
[  408.282089][T12699] loop2: detected capacity change from 0 to 32768
[  408.318195][T12696] loop0: detected capacity change from 0 to 32768
[  408.387314][T12703] loop4: detected capacity change from 0 to 32768
[  408.421458][T12696] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1290 (12696)
[  408.421727][T12699] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  408.426718][T12699] BTRFS info (device loop2): enabling disk space caching
[  408.443194][T12701] loop1: detected capacity change from 0 to 32768
[  408.446782][T12699] BTRFS info (device loop2): force clearing of disk cache
1970/01/01 00:06:48 executed programs: 1287
[  408.454946][T12699] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  408.457561][T12699] BTRFS info (device loop2): use zstd compression, level 3
[  408.463222][T12703] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1292 (12703)
[  408.464592][T12699] BTRFS info (device loop2): disk space caching is enabled
[  408.468050][T12699] BTRFS info (device loop2): has skinny extents
[  408.490506][T12701] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1291 (12701)
[  408.554940][ T4576] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4576)
[  408.688637][T12699] BTRFS info (device loop2): enabling ssd optimizations
[  408.691534][T12699] BTRFS info (device loop2): clearing free space tree
[  408.693491][T12699] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  408.695952][T12699] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  408.705244][T12705] loop3: detected capacity change from 0 to 32768
[  408.754284][T12705] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1293 (12705)
[  409.308087][T12711] loop4: detected capacity change from 0 to 32768
[  409.401058][T12711] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1294 (12711)
[  409.469387][T12711] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  409.471858][T12711] BTRFS info (device loop4): enabling disk space caching
[  409.473830][T12711] BTRFS info (device loop4): force clearing of disk cache
[  409.475781][T12711] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  409.504360][T12711] BTRFS info (device loop4): use zstd compression, level 3
[  409.506594][T12711] BTRFS info (device loop4): disk space caching is enabled
[  409.516341][T12711] BTRFS info (device loop4): has skinny extents
[  409.572007][T12729] loop0: detected capacity change from 0 to 32768
[  409.600469][T12730] loop1: detected capacity change from 0 to 32768
[  409.600946][T12729] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1296 (12729)
[  409.646507][T12730] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1297 (12730)
[  409.775203][T12711] BTRFS info (device loop4): enabling ssd optimizations
[  409.778137][T12711] BTRFS info (device loop4): clearing free space tree
[  409.782697][T12711] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  409.785477][T12711] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  409.833234][T12734] loop3: detected capacity change from 0 to 32768
[  409.882001][T12734] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1298 (12734)
[  410.171982][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by udevd (4575)
[  410.636270][T12754] loop2: detected capacity change from 0 to 32768
[  410.786817][T12754] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  410.789581][T12754] BTRFS info (device loop2): enabling disk space caching
[  410.791583][T12754] BTRFS info (device loop2): force clearing of disk cache
[  410.793335][T12754] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  410.795705][T12754] BTRFS info (device loop2): use zstd compression, level 3
[  410.809553][T12759] loop1: detected capacity change from 0 to 32768
[  410.815643][T12754] BTRFS info (device loop2): disk space caching is enabled
[  410.817490][T12754] BTRFS info (device loop2): has skinny extents
[  410.882596][T12761] loop3: detected capacity change from 0 to 32768
[  410.900302][T12759] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1302 (12759)
[  410.981656][T12764] loop4: detected capacity change from 0 to 32768
[  411.046646][T12761] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1303 (12761)
[  411.159309][T12764] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1301 (12764)
[  411.190036][T12754] BTRFS info (device loop2): enabling ssd optimizations
[  411.192974][T12754] BTRFS info (device loop2): clearing free space tree
[  411.195594][T12754] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  411.198098][T12754] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  411.206653][ T4576] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4576)
[  411.931453][T12789] loop0: detected capacity change from 0 to 32768
[  411.972255][T12789] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1305 (12789)
[  411.994949][T12789] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  411.997458][T12789] BTRFS info (device loop0): enabling disk space caching
[  412.004265][T12789] BTRFS info (device loop0): force clearing of disk cache
[  412.007596][T12789] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  412.014512][T12791] loop1: detected capacity change from 0 to 32768
[  412.017719][T12789] BTRFS info (device loop0): use zstd compression, level 3
[  412.026631][T12789] BTRFS info (device loop0): disk space caching is enabled
[  412.034602][T12789] BTRFS info (device loop0): has skinny extents
[  412.078994][T12791] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1307 (12791)
[  412.115262][T12787] loop4: detected capacity change from 0 to 32768
[  412.179587][T12793] loop3: detected capacity change from 0 to 32768
[  412.181454][T12787] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1306 (12787)
[  412.221726][T12793] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1309 (12793)
[  412.343466][T12789] BTRFS info (device loop0): enabling ssd optimizations
[  412.346498][T12789] BTRFS info (device loop0): clearing free space tree
[  412.348249][T12789] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  412.358730][T12789] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  412.367347][T12795] loop2: detected capacity change from 0 to 32768
[  412.430991][T12795] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1308 (12795)
[  412.479372][ T4576] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4576)
[  412.674215][ T5203] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop0 scanned by udevd (5203)
[  412.918064][T12818] loop1: detected capacity change from 0 to 32768
[  413.203739][T12816] loop4: detected capacity change from 0 to 32768
[  413.402788][T12824] loop2: detected capacity change from 0 to 32768
[  413.494220][T12822] loop3: detected capacity change from 0 to 32768
1970/01/01 00:06:53 executed programs: 1311
[  414.008076][T12827] loop1: detected capacity change from 0 to 32768
[  414.068237][T12829] loop4: detected capacity change from 0 to 32768
[  414.252696][T12831] loop0: detected capacity change from 0 to 32768
[  414.317195][T12831] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  414.327298][T12831] BTRFS info (device loop0): enabling disk space caching
[  414.336663][T12833] loop2: detected capacity change from 0 to 32768
[  414.343810][T12831] BTRFS info (device loop0): force clearing of disk cache
[  414.346134][T12831] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  414.374699][T12831] BTRFS info (device loop0): use zstd compression, level 3
[  414.376617][T12831] BTRFS info (device loop0): disk space caching is enabled
[  414.384574][T12831] BTRFS info (device loop0): has skinny extents
[  414.430997][T12833] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1318 (12833)
[  414.592691][T12835] loop3: detected capacity change from 0 to 32768
[  414.620213][T12831] BTRFS info (device loop0): enabling ssd optimizations
[  414.623054][T12831] BTRFS info (device loop0): clearing free space tree
[  414.624876][T12831] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  414.627223][T12831] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  414.660962][T12835] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1319 (12835)
[  414.930247][ T4575] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by udevd (4575)
[  415.008894][T12837] loop4: detected capacity change from 0 to 32768
[  415.154483][T12839] loop1: detected capacity change from 0 to 32768
[  415.599292][T12862] loop2: detected capacity change from 0 to 32768
[  415.975992][T12868] loop4: detected capacity change from 0 to 32768
[  416.225385][T12870] loop1: detected capacity change from 0 to 32768
[  416.454227][T12872] loop3: detected capacity change from 0 to 32768
[  416.566790][T12874] loop2: detected capacity change from 0 to 32768
[  416.649868][T12876] loop0: detected capacity change from 0 to 32768
[  416.730211][T12876] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  416.732576][T12876] BTRFS info (device loop0): enabling disk space caching
[  416.734349][T12876] BTRFS info (device loop0): force clearing of disk cache
[  416.736478][T12876] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  416.752672][T12876] BTRFS info (device loop0): use zstd compression, level 3
[  416.755035][T12876] BTRFS info (device loop0): disk space caching is enabled
[  416.777646][T12876] BTRFS info (device loop0): has skinny extents
[  416.807478][T12878] loop4: detected capacity change from 0 to 32768
[  416.872495][T12878] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1330 (12878)
[  417.052746][ T5243] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (5243)
[  417.088730][T12876] BTRFS info (device loop0): enabling ssd optimizations
[  417.097300][T12876] BTRFS info (device loop0): clearing free space tree
[  417.102453][T12876] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  417.105055][T12876] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  417.355043][T12880] loop1: detected capacity change from 0 to 32768
[  417.382225][T12880] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1331 (12880)
[  417.483685][T12892] loop2: detected capacity change from 0 to 32768
[  417.485898][T12895] loop4: detected capacity change from 0 to 32768
[  417.496393][T12892] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1333 (12892)
[  417.511855][T12880] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  417.514216][T12880] BTRFS info (device loop1): enabling disk space caching
[  417.515966][T12880] BTRFS info (device loop1): force clearing of disk cache
[  417.517988][T12880] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  417.529716][T12895] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1334 (12895)
[  417.563429][T12880] BTRFS info (device loop1): use zstd compression, level 3
[  417.565433][T12880] BTRFS info (device loop1): disk space caching is enabled
[  417.567340][T12880] BTRFS info (device loop1): has skinny extents
[  417.771782][T12887] loop3: detected capacity change from 0 to 32768
[  417.799243][ T4575] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4575)
[  417.830766][T12880] BTRFS info (device loop1): enabling ssd optimizations
[  417.833573][T12880] BTRFS info (device loop1): clearing free space tree
[  417.835336][T12880] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  417.859879][T12880] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  417.871153][T12907] loop0: detected capacity change from 0 to 32768
[  417.875863][T12887] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1332 (12887)
[  417.966255][T12907] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1335 (12907)
[  418.034395][ T5243] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5243)
[  418.474441][T12909] loop2: detected capacity change from 0 to 32768
[  418.521954][T12909] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1336 (12909)
[  418.575002][T12909] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  418.577817][T12909] BTRFS info (device loop2): enabling disk space caching
[  418.580256][T12909] BTRFS info (device loop2): force clearing of disk cache
[  418.582033][T12909] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  418.584409][T12909] BTRFS info (device loop2): use zstd compression, level 3
[  418.586215][T12909] BTRFS info (device loop2): disk space caching is enabled
[  418.588126][T12909] BTRFS info (device loop2): has skinny extents
[  418.611800][T12930] loop4: detected capacity change from 0 to 32768
[  418.621685][T12930] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1337 (12930)
1970/01/01 00:06:58 executed programs: 1335
[  418.794630][T12932] loop3: detected capacity change from 0 to 32768
[  418.851037][T12932] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1338 (12932)
[  418.868494][T12909] BTRFS info (device loop2): enabling ssd optimizations
[  418.871341][T12909] BTRFS info (device loop2): clearing free space tree
[  418.873176][T12909] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  418.876345][T12909] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  419.147081][T12937] loop0: detected capacity change from 0 to 32768
[  419.215570][ T5203] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by udevd (5203)
[  419.317821][T12947] loop4: detected capacity change from 0 to 32768
[  419.950604][T12963] loop1: detected capacity change from 0 to 32768
[  420.057931][T12966] loop0: detected capacity change from 0 to 32768
[  420.532606][T12969] loop4: detected capacity change from 0 to 32768
[  420.631669][T12971] loop3: detected capacity change from 0 to 32768
[  420.810006][T12973] loop2: detected capacity change from 0 to 32768
[  421.032988][T12973] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  421.035275][T12973] BTRFS info (device loop2): enabling disk space caching
[  421.037132][T12973] BTRFS info (device loop2): force clearing of disk cache
[  421.039572][T12973] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  421.041959][T12973] BTRFS info (device loop2): use zstd compression, level 3
[  421.043801][T12973] BTRFS info (device loop2): disk space caching is enabled
[  421.045375][T12973] BTRFS info (device loop2): has skinny extents
[  421.117866][T12975] loop1: detected capacity change from 0 to 32768
[  421.192106][T12975] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1349 (12975)
[  421.237048][T12973] BTRFS info (device loop2): enabling ssd optimizations
[  421.244270][T12973] BTRFS info (device loop2): clearing free space tree
[  421.246293][T12973] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  421.249188][T12973] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  421.257094][T12979] loop4: detected capacity change from 0 to 32768
[  421.274584][T12977] loop0: detected capacity change from 0 to 32768
[  421.344294][T12977] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1350 (12977)
[  421.388605][T12979] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1351 (12979)
[  421.796945][T12981] loop3: detected capacity change from 0 to 32768
[  421.863688][T12981] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1352 (12981)
[  421.897384][T13001] loop1: detected capacity change from 0 to 32768
[  421.902923][T12981] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  421.905529][T12981] BTRFS info (device loop3): enabling disk space caching
[  421.910370][T12981] BTRFS info (device loop3): force clearing of disk cache
[  421.912268][T12981] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  421.914646][T12981] BTRFS info (device loop3): use zstd compression, level 3
[  421.916502][T12981] BTRFS info (device loop3): disk space caching is enabled
[  421.946510][T12981] BTRFS info (device loop3): has skinny extents
[  421.999073][T13001] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1353 (13001)
[  422.111961][T12981] BTRFS info (device loop3): enabling ssd optimizations
[  422.114958][T12981] BTRFS info (device loop3): clearing free space tree
[  422.116737][T12981] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  422.123216][T12981] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  422.155679][T13007] loop4: detected capacity change from 0 to 32768
[  422.231644][T13007] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1356 (13007)
[  422.386830][ T5244] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by udevd (5244)
[  422.412054][T13005] loop2: detected capacity change from 0 to 32768
[  422.487951][T13005] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  422.490546][T13005] BTRFS info (device loop2): enabling disk space caching
[  422.492401][T13005] BTRFS info (device loop2): force clearing of disk cache
[  422.494160][T13005] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  422.502673][T13005] BTRFS info (device loop2): use zstd compression, level 3
[  422.504557][T13005] BTRFS info (device loop2): disk space caching is enabled
[  422.506348][T13005] BTRFS info (device loop2): has skinny extents
[  422.563457][T13003] loop0: detected capacity change from 0 to 32768
[  422.627807][T13003] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1355 (13003)
[  422.901139][T13035] loop4: detected capacity change from 0 to 32768
[  422.903384][T13005] BTRFS info (device loop2): enabling ssd optimizations
[  422.909043][T13005] BTRFS info (device loop2): clearing free space tree
[  422.910981][T13005] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  422.913524][T13005] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  423.005126][T13035] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1359 (13035)
[  423.058546][T13028] loop1: detected capacity change from 0 to 32768
[  423.114135][T13028] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1357 (13028)
[  424.122889][T13054] loop0: detected capacity change from 0 to 32768
[  424.129838][T13056] loop4: detected capacity change from 0 to 32768
[  424.175803][T13056] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1362 (13056)
[  424.186880][T13058] loop3: detected capacity change from 0 to 32768
[  424.196711][T13060] loop1: detected capacity change from 0 to 32768
[  424.212757][T13062] loop2: detected capacity change from 0 to 32768
[  424.227403][T13056] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  424.230198][T13056] BTRFS info (device loop4): enabling disk space caching
[  424.233725][T13056] BTRFS info (device loop4): force clearing of disk cache
[  424.235667][T13056] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  424.238168][T13056] BTRFS info (device loop4): use zstd compression, level 3
[  424.242374][T13056] BTRFS info (device loop4): disk space caching is enabled
[  424.250528][T13056] BTRFS info (device loop4): has skinny extents
[  424.261215][T13054] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1361 (13054)
[  424.299202][T13060] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1364 (13060)
[  424.304806][T13058] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1363 (13058)
[  424.324215][T13062] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1360 (13062)
[  424.337934][ T4576] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4576)
1970/01/01 00:07:04 executed programs: 1359
[  424.389292][ T5243] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (5243)
[  424.419883][T13056] BTRFS info (device loop4): enabling ssd optimizations
[  424.449288][T13056] BTRFS info (device loop4): clearing free space tree
[  424.451301][T13056] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  424.453855][T13056] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  424.533776][ T5203] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (5203)
[  424.819437][ T5244] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by udevd (5244)
[  425.262511][T13085] loop2: detected capacity change from 0 to 32768
[  425.291255][T13089] loop3: detected capacity change from 0 to 32768
[  425.316313][T13083] loop1: detected capacity change from 0 to 32768
[  425.456856][T13089] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1367 (13089)
[  425.461016][T13085] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  425.463342][T13085] BTRFS info (device loop2): enabling disk space caching
[  425.465187][T13085] BTRFS info (device loop2): force clearing of disk cache
[  425.466918][T13085] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  425.478769][T13085] BTRFS info (device loop2): use zstd compression, level 3
[  425.480900][T13085] BTRFS info (device loop2): disk space caching is enabled
[  425.482850][T13085] BTRFS info (device loop2): has skinny extents
[  425.516842][T13083] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1368 (13083)
[  425.663073][T13085] BTRFS info (device loop2): enabling ssd optimizations
[  425.665914][T13085] BTRFS info (device loop2): clearing free space tree
[  425.667706][T13085] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  425.671259][T13085] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  425.924417][ T5203] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 11 /dev/loop2 scanned by udevd (5203)
[  426.351181][T13120] loop1: detected capacity change from 0 to 32768
[  426.451534][T13096] loop0: detected capacity change from 0 to 32768
[  426.547289][T13117] loop4: detected capacity change from 0 to 32768
[  426.653758][T13118] loop3: detected capacity change from 0 to 32768
[  427.257977][T13125] loop1: detected capacity change from 0 to 32768
[  427.440892][T13127] loop4: detected capacity change from 0 to 32768
[  427.593749][T13131] loop0: detected capacity change from 0 to 32768
[  427.606713][T13130] loop2: detected capacity change from 0 to 32768
[  427.725031][T13130] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  427.727497][T13130] BTRFS info (device loop2): enabling disk space caching
[  427.735049][T13130] BTRFS info (device loop2): force clearing of disk cache
[  427.737389][T13130] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  427.760849][T13130] BTRFS info (device loop2): use zstd compression, level 3
[  427.762963][T13130] BTRFS info (device loop2): disk space caching is enabled
[  427.764804][T13133] loop3: detected capacity change from 0 to 32768
[  427.764893][T13130] BTRFS info (device loop2): has skinny extents
[  427.814449][T13133] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1380 (13133)
[  428.145532][T13142] loop0: detected capacity change from 0 to 32768
[  428.200935][T13142] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1383 (13142)
[  428.205979][T13130] BTRFS info (device loop2): enabling ssd optimizations
[  428.240206][T13130] BTRFS info (device loop2): clearing free space tree
[  428.242213][T13130] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  428.244759][T13130] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  428.340714][ T5243] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5243)
[  428.422327][T13135] loop1: detected capacity change from 0 to 32768
[  428.472014][T13135] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1381 (13135)
[  428.542484][T13135] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  428.545262][T13135] BTRFS info (device loop1): enabling disk space caching
[  428.562632][T13135] BTRFS info (device loop1): force clearing of disk cache
[  428.564659][T13135] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  428.595911][T13135] BTRFS info (device loop1): use zstd compression, level 3
[  428.597989][T13135] BTRFS info (device loop1): disk space caching is enabled
[  428.606065][T13135] BTRFS info (device loop1): has skinny extents
[  428.662961][T13145] loop3: detected capacity change from 0 to 32768
[  428.721205][T13145] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1384 (13145)
[  428.786215][T13162] loop2: detected capacity change from 0 to 32768
[  428.790146][T13138] loop4: detected capacity change from 0 to 32768
[  428.836284][T13138] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1382 (13138)
[  428.932078][T13162] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1385 (13162)
[  429.017480][T13135] BTRFS info (device loop1): enabling ssd optimizations
[  429.026559][T13135] BTRFS info (device loop1): clearing free space tree
[  429.029052][T13135] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  429.031683][T13135] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  429.167991][T13164] loop0: detected capacity change from 0 to 32768
[  429.186772][ T4576] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4576)
[  429.341886][T13164] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1386 (13164)
[  429.349723][T13164] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  429.352367][T13164] BTRFS info (device loop0): enabling disk space caching
[  429.354184][T13164] BTRFS info (device loop0): force clearing of disk cache
[  429.356031][T13164] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  429.398720][T13164] BTRFS info (device loop0): use zstd compression, level 3
[  429.408424][T13164] BTRFS info (device loop0): disk space caching is enabled
[  429.410571][T13164] BTRFS info (device loop0): has skinny extents
[  429.650650][T13187] loop3: detected capacity change from 0 to 32768
[  429.677053][T13187] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1388 (13187)
[  429.681103][T13184] loop4: detected capacity change from 0 to 32768
[  429.731036][T13191] loop2: detected capacity change from 0 to 32768
[  429.762908][T13184] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1387 (13184)
[  429.803254][T13191] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1390 (13191)
[  429.818811][T13164] BTRFS info (device loop0): enabling ssd optimizations
[  429.821406][T13164] BTRFS info (device loop0): clearing free space tree
[  429.823206][T13164] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  429.825584][T13164] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
1970/01/01 00:07:09 executed programs: 1385
[  430.126177][T13190] loop1: detected capacity change from 0 to 32768
[  430.208604][T13190] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1389 (13190)
[  430.260513][T13190] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  430.262913][T13190] BTRFS info (device loop1): enabling disk space caching
[  430.264743][T13190] BTRFS info (device loop1): force clearing of disk cache
[  430.266551][T13190] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  430.276396][ T4575] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 11 scanned by udevd (4575)
[  430.308427][T13190] BTRFS info (device loop1): use zstd compression, level 3
[  430.310755][T13190] BTRFS info (device loop1): disk space caching is enabled
[  430.312969][T13190] BTRFS info (device loop1): has skinny extents
[  430.495061][T13212] loop0: detected capacity change from 0 to 32768
[  430.629244][T13212] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1391 (13212)
[  430.737760][T13190] BTRFS info (device loop1): enabling ssd optimizations
[  430.746008][T13190] BTRFS info (device loop1): clearing free space tree
[  430.748995][T13190] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  430.751631][T13190] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  430.796259][T13218] loop2: detected capacity change from 0 to 32768
[  430.913220][T13218] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1394 (13218)
[  431.037368][ T5203] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by udevd (5203)
[  431.055271][T13214] loop4: detected capacity change from 0 to 32768
[  431.162373][T13214] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  431.165743][T13214] BTRFS info (device loop4): enabling disk space caching
[  431.167604][T13214] BTRFS info (device loop4): force clearing of disk cache
[  431.178627][T13214] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  431.188691][T13214] BTRFS info (device loop4): use zstd compression, level 3
[  431.190613][T13214] BTRFS info (device loop4): disk space caching is enabled
[  431.203367][T13214] BTRFS info (device loop4): has skinny extents
[  431.225327][ T4576] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4576)
[  431.345414][T13216] loop3: detected capacity change from 0 to 32768
[  431.431183][T13214] BTRFS info (device loop4): enabling ssd optimizations
[  431.435255][T13216] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1392 (13216)
[  431.435707][T13214] BTRFS info (device loop4): clearing free space tree
[  431.448643][T13214] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  431.470514][T13214] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  431.686697][T13244] loop1: detected capacity change from 0 to 32768
[  431.726805][T13244] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1396 (13244)
[  431.963127][T13241] loop2: detected capacity change from 0 to 32768
[  432.004560][T13241] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1397 (13241)
[  432.054533][T13241] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  432.056943][T13241] BTRFS info (device loop2): enabling disk space caching
[  432.061163][T13241] BTRFS info (device loop2): force clearing of disk cache
[  432.073478][T13241] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  432.075963][T13241] BTRFS info (device loop2): use zstd compression, level 3
[  432.077815][T13241] BTRFS info (device loop2): disk space caching is enabled
[  432.089112][T13241] BTRFS info (device loop2): has skinny extents
[  432.261951][T13269] loop4: detected capacity change from 0 to 32768
[  432.323694][T13269] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1399 (13269)
[  432.375247][T13265] loop0: detected capacity change from 0 to 32768
[  432.418518][T13265] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1398 (13265)
[  432.537681][T13241] BTRFS info (device loop2): enabling ssd optimizations
[  432.540949][T13241] BTRFS info (device loop2): clearing free space tree
[  432.542684][T13241] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  432.545298][T13241] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  432.730886][T13271] loop1: detected capacity change from 0 to 32768
[  432.776349][T13267] loop3: detected capacity change from 0 to 32768
[  432.855389][T13271] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1401 (13271)
[  432.877937][T13267] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1400 (13267)
[  432.881727][T13271] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  432.884230][T13271] BTRFS info (device loop1): enabling disk space caching
[  432.886741][T13271] BTRFS info (device loop1): force clearing of disk cache
[  432.897169][T13271] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  432.902104][T13289] loop4: detected capacity change from 0 to 32768
[  432.903212][T13271] BTRFS info (device loop1): use zstd compression, level 3
[  432.909204][T13271] BTRFS info (device loop1): disk space caching is enabled
[  432.911033][T13271] BTRFS info (device loop1): has skinny extents
[  432.930951][T13289] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1402 (13289)
[  433.206160][T13271] BTRFS info (device loop1): enabling ssd optimizations
[  433.209153][T13271] BTRFS info (device loop1): clearing free space tree
[  433.212519][T13271] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  433.264944][T13271] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  433.354043][T13293] loop0: detected capacity change from 0 to 32768
[  433.482122][T13293] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1404 (13293)
[  433.507812][T13301] loop2: detected capacity change from 0 to 32768
[  433.615723][T13301] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1403 (13301)
[  433.680461][T13301] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  433.682749][T13301] BTRFS info (device loop2): enabling disk space caching
[  433.685813][T13301] BTRFS info (device loop2): force clearing of disk cache
[  433.706158][T13301] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  433.716314][T13301] BTRFS info (device loop2): use zstd compression, level 3
[  433.718518][T13301] BTRFS info (device loop2): disk space caching is enabled
[  433.729186][T13301] BTRFS info (device loop2): has skinny extents
[  434.055357][T13316] loop3: detected capacity change from 0 to 32768
[  434.066276][T13301] BTRFS info (device loop2): enabling ssd optimizations
[  434.070032][T13301] BTRFS info (device loop2): clearing free space tree
[  434.071775][T13301] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  434.074276][T13301] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  434.124387][T13316] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1405 (13316)
[  434.214207][T13318] loop4: detected capacity change from 0 to 32768
[  434.334717][T13318] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1407 (13318)
[  434.370490][T13327] loop0: detected capacity change from 0 to 32768
[  434.431031][T13327] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz.0.1408 (13327)
[  434.447862][T13327] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm
[  434.457626][T13327] BTRFS info (device loop0): enabling disk space caching
[  434.472725][T13327] BTRFS info (device loop0): force clearing of disk cache
[  434.474521][T13327] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  434.476900][T13327] BTRFS info (device loop0): use zstd compression, level 3
[  434.487757][T13320] loop1: detected capacity change from 0 to 32768
[  434.509019][T13327] BTRFS info (device loop0): disk space caching is enabled
[  434.511065][T13327] BTRFS info (device loop0): has skinny extents
[  434.615460][T13320] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1406 (13320)
[  434.710449][ T5203] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (5203)
[  434.806099][T13327] BTRFS info (device loop0): enabling ssd optimizations
[  434.812974][T13327] BTRFS info (device loop0): clearing free space tree
[  434.814957][T13327] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  434.817291][T13327] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  434.901433][T13354] loop4: detected capacity change from 0 to 32768
[  435.018057][T13354] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1411 (13354)
1970/01/01 00:07:15 executed programs: 1408
[  435.325090][ T5243] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by udevd (5243)
[  435.353811][T13343] loop3: detected capacity change from 0 to 32768
[  435.476895][T13350] loop2: detected capacity change from 0 to 32768
[  435.517523][T13343] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  435.520349][T13343] BTRFS info (device loop3): enabling disk space caching
[  435.522092][T13343] BTRFS info (device loop3): force clearing of disk cache
[  435.523981][T13343] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  435.528545][T13343] BTRFS info (device loop3): use zstd compression, level 3
[  435.548416][T13343] BTRFS info (device loop3): disk space caching is enabled
[  435.550238][T13343] BTRFS info (device loop3): has skinny extents
[  435.555968][T13363] loop1: detected capacity change from 0 to 32768
[  435.573244][T13363] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1412 (13363)
[  435.580699][T13350] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1409 (13350)
[  435.735609][T13372] loop0: detected capacity change from 0 to 32768
[  435.790839][T13372] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1413 (13372)
[  435.841513][ T4576] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4576)
[  435.842971][T13370] loop4: detected capacity change from 0 to 32768
[  435.881316][T13370] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1414 (13370)
[  435.920563][T13343] BTRFS info (device loop3): enabling ssd optimizations
[  435.975264][T13343] BTRFS info (device loop3): clearing free space tree
[  435.977773][T13343] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  435.980504][T13343] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  436.013865][T13382] loop1: detected capacity change from 0 to 32768
[  436.135182][T13382] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1415 (13382)
[  436.839855][T13395] loop2: detected capacity change from 0 to 32768
[  436.881675][T13395] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1416 (13395)
[  436.912386][T13395] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  436.914663][T13395] BTRFS info (device loop2): enabling disk space caching
[  436.916491][T13395] BTRFS info (device loop2): force clearing of disk cache
[  436.938464][T13395] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  436.941033][T13395] BTRFS info (device loop2): use zstd compression, level 3
[  436.943289][T13395] BTRFS info (device loop2): disk space caching is enabled
[  436.945105][T13395] BTRFS info (device loop2): has skinny extents
[  436.995777][T13397] loop4: detected capacity change from 0 to 32768
[  436.998244][T13399] loop0: detected capacity change from 0 to 32768
[  437.021400][T13397] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1418 (13397)
[  437.041069][T13399] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1419 (13399)
[  437.149429][ T5203] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (5203)
[  437.285209][ T4576] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4576)
[  437.376449][T13395] BTRFS info (device loop2): enabling ssd optimizations
[  437.379667][T13395] BTRFS info (device loop2): clearing free space tree
[  437.381509][T13395] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  437.384264][T13395] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  437.433297][T13401] loop1: detected capacity change from 0 to 32768
[  437.477098][T13403] loop3: detected capacity change from 0 to 32768
[  437.543958][T13401] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1420 (13401)
[  437.602664][T13403] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1417 (13403)
[  437.683518][T13403] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  437.686099][T13403] BTRFS info (device loop3): enabling disk space caching
[  437.687879][T13403] BTRFS info (device loop3): force clearing of disk cache
[  437.696610][T13403] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  437.704320][T13403] BTRFS info (device loop3): use zstd compression, level 3
[  437.706243][T13403] BTRFS info (device loop3): disk space caching is enabled
[  437.710565][T13403] BTRFS info (device loop3): has skinny extents
[  437.775530][T13411] loop4: detected capacity change from 0 to 32768
[  437.931743][T13411] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1421 (13411)
[  438.006348][T13403] BTRFS info (device loop3): enabling ssd optimizations
[  438.022458][T13403] BTRFS info (device loop3): clearing free space tree
[  438.025489][T13403] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  438.028071][T13403] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  438.059609][T13428] loop0: detected capacity change from 0 to 32768
[  438.118428][T13428] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1423 (13428)
[  438.289901][ T2057] ieee802154 phy0 wpan0: encryption failed: -22
[  438.291577][ T2057] ieee802154 phy1 wpan1: encryption failed: -22
[  438.581522][T13430] loop2: detected capacity change from 0 to 32768
[  438.648464][T13430] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1424 (13430)
[  438.661080][T13430] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  438.663480][T13430] BTRFS info (device loop2): enabling disk space caching
[  438.665335][T13430] BTRFS info (device loop2): force clearing of disk cache
[  438.667146][T13430] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  438.694032][T13430] BTRFS info (device loop2): use zstd compression, level 3
[  438.695995][T13430] BTRFS info (device loop2): disk space caching is enabled
[  438.697841][T13430] BTRFS info (device loop2): has skinny extents
[  438.763392][T13442] loop1: detected capacity change from 0 to 32768
[  438.841374][T13442] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1425 (13442)
[  438.965715][T13456] loop3: detected capacity change from 0 to 32768
[  438.974976][T13452] loop4: detected capacity change from 0 to 32768
[  439.018007][T13452] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1427 (13452)
[  439.071580][T13456] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1426 (13456)
[  439.111031][T13454] loop0: detected capacity change from 0 to 32768
[  439.170920][T13454] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1428 (13454)
[  439.176503][T13430] BTRFS info (device loop2): enabling ssd optimizations
[  439.188991][T13430] BTRFS info (device loop2): clearing free space tree
[  439.191227][T13430] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  439.194339][T13430] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  439.827517][T13475] loop1: detected capacity change from 0 to 32768
[  439.871001][T13475] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1429 (13475)
[  439.906158][T13475] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  439.913844][T13475] BTRFS info (device loop1): enabling disk space caching
[  439.916143][T13475] BTRFS info (device loop1): force clearing of disk cache
[  439.918191][T13475] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  439.937974][T13475] BTRFS info (device loop1): use zstd compression, level 3
[  439.941810][T13475] BTRFS info (device loop1): disk space caching is enabled
[  439.943823][T13475] BTRFS info (device loop1): has skinny extents
[  440.085540][T13484] loop3: detected capacity change from 0 to 32768
[  440.151019][T13484] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1433 (13484)
[  440.185715][T13481] loop4: detected capacity change from 0 to 32768
[  440.190500][T13480] loop0: detected capacity change from 0 to 32768
[  440.204095][T13475] BTRFS info (device loop1): enabling ssd optimizations
[  440.211244][T13475] BTRFS info (device loop1): clearing free space tree
[  440.213183][T13475] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  440.215778][T13475] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  440.240902][T13481] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1430 (13481)
[  440.284563][T13480] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1432 (13480)
1970/01/01 00:07:20 executed programs: 1428
[  440.477652][ T5203] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by udevd (5203)
[  440.577775][T13486] loop2: detected capacity change from 0 to 32768
[  440.660300][T13486] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  440.662883][T13486] BTRFS info (device loop2): enabling disk space caching
[  440.664838][T13486] BTRFS info (device loop2): force clearing of disk cache
[  440.666687][T13486] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  440.678454][T13486] BTRFS info (device loop2): use zstd compression, level 3
[  440.690713][T13486] BTRFS info (device loop2): disk space caching is enabled
[  440.692577][T13486] BTRFS info (device loop2): has skinny extents
[  441.088171][T13513] loop1: detected capacity change from 0 to 32768
[  441.132343][T13486] BTRFS info (device loop2): enabling ssd optimizations
[  441.135395][T13486] BTRFS info (device loop2): clearing free space tree
[  441.137281][T13486] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  441.148527][T13486] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  441.187726][T13513] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1436 (13513)
[  441.447307][T13509] loop0: detected capacity change from 0 to 32768
[  441.450069][T13512] loop3: detected capacity change from 0 to 32768
[  441.491335][T13512] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1437 (13512)
[  441.551965][T13509] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1435 (13509)
[  441.555799][T13512] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  441.558192][T13512] BTRFS info (device loop3): enabling disk space caching
[  441.565520][T13512] BTRFS info (device loop3): force clearing of disk cache
[  441.575677][T13512] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  441.585863][T13512] BTRFS info (device loop3): use zstd compression, level 3
[  441.608492][T13512] BTRFS info (device loop3): disk space caching is enabled
[  441.610760][T13512] BTRFS info (device loop3): has skinny extents
[  441.927840][T13512] BTRFS info (device loop3): enabling ssd optimizations
[  441.931396][T13512] BTRFS info (device loop3): clearing free space tree
[  441.933141][T13512] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  441.935468][T13512] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  442.036715][T13537] loop1: detected capacity change from 0 to 32768
[  442.072763][T13537] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1439 (13537)
[  442.084438][T13539] loop2: detected capacity change from 0 to 32768
[  442.113093][T13539] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz.2.1438 (13539)
[  442.157902][ T5243] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 11 scanned by udevd (5243)
[  442.158372][T13539] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm
[  442.172938][T13539] BTRFS info (device loop2): enabling disk space caching
[  442.198656][T13539] BTRFS info (device loop2): force clearing of disk cache
[  442.200715][T13539] BTRFS info (device loop2): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  442.203090][T13539] BTRFS info (device loop2): use zstd compression, level 3
[  442.205003][T13539] BTRFS info (device loop2): disk space caching is enabled
[  442.230331][T13539] BTRFS info (device loop2): has skinny extents
[  442.255593][T13535] loop4: detected capacity change from 0 to 32768
[  442.331954][T13535] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1440 (13535)
[  442.488383][T13561] loop3: detected capacity change from 0 to 32768
[  442.490408][T13539] BTRFS info (device loop2): enabling ssd optimizations
[  442.493102][T13539] BTRFS info (device loop2): clearing free space tree
[  442.495061][T13539] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  442.497692][T13539] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  442.602804][T13561] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1442 (13561)
[  442.655497][T13552] loop0: detected capacity change from 0 to 32768
[  442.715422][T13552] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1441 (13552)
[  443.353687][T13572] loop1: detected capacity change from 0 to 32768
[  443.407658][T13572] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz.1.1443 (13572)
[  443.431397][T13584] loop4: detected capacity change from 0 to 32768
[  443.472788][T13572] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm
[  443.475242][T13572] BTRFS info (device loop1): enabling disk space caching
[  443.477053][T13572] BTRFS info (device loop1): force clearing of disk cache
[  443.496240][T13572] BTRFS info (device loop1): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  443.507005][T13584] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.1445 (13584)
[  443.510149][T13572] BTRFS info (device loop1): use zstd compression, level 3
[  443.521439][T13572] BTRFS info (device loop1): disk space caching is enabled
[  443.528901][T13572] BTRFS info (device loop1): has skinny extents
[  443.683848][T13588] loop0: detected capacity change from 0 to 32768
[  443.718104][T13586] loop3: detected capacity change from 0 to 32768
[  443.732842][T13588] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1447 (13588)
[  443.806777][T13586] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1446 (13586)
[  443.807247][T13590] loop2: detected capacity change from 0 to 32768
[  443.825275][T13572] BTRFS info (device loop1): enabling ssd optimizations
[  443.828170][T13572] BTRFS info (device loop1): clearing free space tree
[  443.830319][T13572] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  443.832843][T13572] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  443.863793][T13590] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1444 (13590)
[  444.795064][T13611] loop4: detected capacity change from 0 to 32768
[  444.915863][T13611] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz.4.1448 (13611)
[  444.937984][T13615] loop2: detected capacity change from 0 to 32768
[  444.946054][T13616] loop0: detected capacity change from 0 to 32768
[  445.001064][T13611] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm
[  445.003449][T13611] BTRFS info (device loop4): enabling disk space caching
[  445.005218][T13611] BTRFS info (device loop4): force clearing of disk cache
[  445.007072][T13611] BTRFS info (device loop4): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  445.018340][T13611] BTRFS info (device loop4): use zstd compression, level 3
[  445.020499][T13611] BTRFS info (device loop4): disk space caching is enabled
[  445.022402][T13611] BTRFS info (device loop4): has skinny extents
[  445.036455][T13615] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1451 (13615)
[  445.053159][T13617] loop3: detected capacity change from 0 to 32768
[  445.090274][T13616] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1450 (13616)
[  445.105225][ T5203] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (5203)
[  445.141140][T13617] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.1452 (13617)
[  445.175456][T13619] loop1: detected capacity change from 0 to 32768
[  445.220935][T13619] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.1449 (13619)
[  445.374896][ T5243] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5243)
1970/01/01 00:07:25 executed programs: 1449
[  445.500549][T13611] BTRFS info (device loop4): enabling ssd optimizations
[  445.503300][T13611] BTRFS info (device loop4): clearing free space tree
[  445.505060][T13611] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  445.507763][T13611] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  445.770014][T13635] loop3: detected capacity change from 0 to 32768
[  445.925495][T13635] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz.3.1454 (13635)
[  445.999726][T13629] loop0: detected capacity change from 0 to 32768
[  446.018100][T13635] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm
[  446.020840][T13635] BTRFS info (device loop3): enabling disk space caching
[  446.022640][T13635] BTRFS info (device loop3): force clearing of disk cache
[  446.024490][T13635] BTRFS info (device loop3): setting incompat feature flag for COMPRESS_ZSTD (0x10)
[  446.027323][T13635] BTRFS info (device loop3): use zstd compression, level 3
[  446.040759][T13629] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.1453 (13629)
[  446.070307][T13635] BTRFS info (device loop3): disk space caching is enabled
[  446.080698][T13635] BTRFS info (device loop3): has skinny extents
[  446.213825][T13640] loop2: detected capacity change from 0 to 32768
[  446.272253][T13640] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.1455 (13640)
[  446.398457][T13635] BTRFS info (device loop3): enabling ssd optimizations
[  446.401350][T13635] BTRFS info (device loop3): clearing free space tree
[  446.414857][T13635] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  446.417349][T13635] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  446.628233][T13646] loop1: detected capacity change from 0 to 32768