lesystem b0fd747e-75bd-47ed-b463-9439aa08404a
[  465.396352][ T7846] loop1: detected capacity change from 0 to 32768
[  465.397393][ T7846] btrfs: Deprecated parameter 'usebackuproot'
[  465.397412][ T7846] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  465.399641][ T7846] BTRFS info: device /dev/loop1 (7:1) using temp-fsid db5dc1e4-56d9-4daf-bbe1-15b78a018f00
[  465.399699][ T7846] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.118 (7846)
[  465.410969][ T7846] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  465.411000][ T7846] BTRFS info (device loop1): using crc32c checksum algorithm
[  465.411026][ T7846] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  465.568632][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  465.568738][ T7846] BTRFS error (device loop1): failed to load root extent
[  465.568766][ T7846] BTRFS warning (device loop1): try to load backup roots slot 1
[  465.569343][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  465.569437][ T7846] BTRFS warning (device loop1): couldn't read tree root
[  465.569453][ T7846] BTRFS warning (device loop1): try to load backup roots slot 2
[  465.569697][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  465.569775][ T7846] BTRFS warning (device loop1): couldn't read tree root
[  465.569791][ T7846] BTRFS warning (device loop1): try to load backup roots slot 3
[  465.633377][ T7846] BTRFS info (device loop1): rebuilding free space tree
[  465.712417][ T7846] BTRFS info (device loop1): disabling free space tree
[  465.712493][ T7846] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  465.712516][ T7846] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  465.743623][ T7846] BTRFS info (device loop1): checking UUID tree
[  465.746159][ T7846] BTRFS info (device loop1): enabling ssd optimizations
[  465.746181][ T7846] BTRFS info (device loop1): disabling tree log
[  465.746194][ T7846] BTRFS info (device loop1): turning on flush-on-commit
[  465.746208][ T7846] BTRFS info (device loop1): turning on async discard
[  465.746221][ T7846] BTRFS info (device loop1): enabling disk space caching
[  465.746234][ T7846] BTRFS info (device loop1): force clearing of disk cache
[  465.746248][ T7846] BTRFS info (device loop1): trying to use backup root at mount time
[  465.746263][ T7846] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:29:49 executed programs: 104
[  465.973150][ T6046] BTRFS info (device loop1): last unmount of filesystem db5dc1e4-56d9-4daf-bbe1-15b78a018f00
[  466.339268][ T7865] loop1: detected capacity change from 0 to 32768
[  466.345345][ T7865] btrfs: Deprecated parameter 'usebackuproot'
[  466.345366][ T7865] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  466.352544][ T7865] BTRFS info: device /dev/loop1 (7:1) using temp-fsid fd9d266a-1116-4305-8f35-7d3bc163814e
[  466.352597][ T7865] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.119 (7865)
[  466.397791][ T7865] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  466.397820][ T7865] BTRFS info (device loop1): using crc32c checksum algorithm
[  466.397847][ T7865] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  466.446753][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  466.446943][ T7865] BTRFS error (device loop1): failed to load root extent
[  466.446978][ T7865] BTRFS warning (device loop1): try to load backup roots slot 1
[  466.447295][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  466.448013][ T7865] BTRFS warning (device loop1): couldn't read tree root
[  466.448030][ T7865] BTRFS warning (device loop1): try to load backup roots slot 2
[  466.448339][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  466.448441][ T7865] BTRFS warning (device loop1): couldn't read tree root
[  466.448456][ T7865] BTRFS warning (device loop1): try to load backup roots slot 3
[  466.530213][ T7865] BTRFS info (device loop1): rebuilding free space tree
[  466.618483][ T7865] BTRFS info (device loop1): disabling free space tree
[  466.618554][ T7865] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  466.618571][ T7865] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  466.629628][ T7865] BTRFS info (device loop1): checking UUID tree
[  466.630482][ T7865] BTRFS info (device loop1): enabling ssd optimizations
[  466.630501][ T7865] BTRFS info (device loop1): disabling tree log
[  466.630515][ T7865] BTRFS info (device loop1): turning on flush-on-commit
[  466.630529][ T7865] BTRFS info (device loop1): turning on async discard
[  466.630542][ T7865] BTRFS info (device loop1): enabling disk space caching
[  466.630556][ T7865] BTRFS info (device loop1): force clearing of disk cache
[  466.630569][ T7865] BTRFS info (device loop1): trying to use backup root at mount time
[  466.630584][ T7865] BTRFS info (device loop1): use zstd compression, level 3
[  466.842624][ T6046] BTRFS info (device loop1): last unmount of filesystem fd9d266a-1116-4305-8f35-7d3bc163814e
[  467.246536][ T7884] loop1: detected capacity change from 0 to 32768
[  467.247579][ T7884] btrfs: Deprecated parameter 'usebackuproot'
[  467.247597][ T7884] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  467.248806][ T7884] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 54334adb-7e9a-4ef5-9f68-656e6ca141a7
[  467.248862][ T7884] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.120 (7884)
[  467.343200][ T7884] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  467.343233][ T7884] BTRFS info (device loop1): using crc32c checksum algorithm
[  467.343259][ T7884] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  467.449204][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  467.449332][ T7884] BTRFS error (device loop1): failed to load root extent
[  467.449365][ T7884] BTRFS warning (device loop1): try to load backup roots slot 1
[  467.449636][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  467.449721][ T7884] BTRFS warning (device loop1): couldn't read tree root
[  467.449737][ T7884] BTRFS warning (device loop1): try to load backup roots slot 2
[  467.506672][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  467.518880][ T7884] BTRFS warning (device loop1): couldn't read tree root
[  467.518895][ T7884] BTRFS warning (device loop1): try to load backup roots slot 3
[  467.596944][ T7884] BTRFS info (device loop1): rebuilding free space tree
[  467.634742][ T7884] BTRFS info (device loop1): disabling free space tree
[  467.634818][ T7884] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  467.634840][ T7884] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  467.669815][ T7884] BTRFS info (device loop1): checking UUID tree
[  467.671705][ T7884] BTRFS info (device loop1): enabling ssd optimizations
[  467.671724][ T7884] BTRFS info (device loop1): disabling tree log
[  467.671737][ T7884] BTRFS info (device loop1): turning on flush-on-commit
[  467.671751][ T7884] BTRFS info (device loop1): turning on async discard
[  467.671764][ T7884] BTRFS info (device loop1): enabling disk space caching
[  467.671777][ T7884] BTRFS info (device loop1): force clearing of disk cache
[  467.671791][ T7884] BTRFS info (device loop1): trying to use backup root at mount time
[  467.671806][ T7884] BTRFS info (device loop1): use zstd compression, level 3
[  467.851877][ T6046] BTRFS info (device loop1): last unmount of filesystem 54334adb-7e9a-4ef5-9f68-656e6ca141a7
[  468.347828][ T7903] loop1: detected capacity change from 0 to 32768
[  468.348904][ T7903] btrfs: Deprecated parameter 'usebackuproot'
[  468.348922][ T7903] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  468.349698][ T7903] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 4907a42d-acb0-4fca-bda2-4a6819695f7c
[  468.349757][ T7903] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.121 (7903)
[  468.356330][ T7903] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  468.356358][ T7903] BTRFS info (device loop1): using crc32c checksum algorithm
[  468.356383][ T7903] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  468.469659][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  468.500003][ T7903] BTRFS error (device loop1): failed to load root extent
[  468.500049][ T7903] BTRFS warning (device loop1): try to load backup roots slot 1
[  468.500380][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  468.500503][ T7903] BTRFS warning (device loop1): couldn't read tree root
[  468.500517][ T7903] BTRFS warning (device loop1): try to load backup roots slot 2
[  468.545208][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  468.545329][ T7903] BTRFS warning (device loop1): couldn't read tree root
[  468.545346][ T7903] BTRFS warning (device loop1): try to load backup roots slot 3
[  468.603878][ T7903] BTRFS info (device loop1): rebuilding free space tree
[  468.648151][ T7903] BTRFS info (device loop1): disabling free space tree
[  468.648224][ T7903] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  468.648245][ T7903] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  468.683562][ T7903] BTRFS info (device loop1): checking UUID tree
[  468.683927][ T7903] BTRFS info (device loop1): enabling ssd optimizations
[  468.683945][ T7903] BTRFS info (device loop1): disabling tree log
[  468.683957][ T7903] BTRFS info (device loop1): turning on flush-on-commit
[  468.683969][ T7903] BTRFS info (device loop1): turning on async discard
[  468.683981][ T7903] BTRFS info (device loop1): enabling disk space caching
[  468.683994][ T7903] BTRFS info (device loop1): force clearing of disk cache
[  468.684008][ T7903] BTRFS info (device loop1): trying to use backup root at mount time
[  468.684023][ T7903] BTRFS info (device loop1): use zstd compression, level 3
[  468.952571][ T6046] BTRFS info (device loop1): last unmount of filesystem 4907a42d-acb0-4fca-bda2-4a6819695f7c
[  469.349265][ T7924] loop1: detected capacity change from 0 to 32768
[  469.350452][ T7924] btrfs: Deprecated parameter 'usebackuproot'
[  469.350469][ T7924] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  469.372180][ T7924] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 868e615a-adcd-48d9-b254-f7ac50e75bb0
[  469.372241][ T7924] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.122 (7924)
[  469.380999][ T7924] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  469.381028][ T7924] BTRFS info (device loop1): using crc32c checksum algorithm
[  469.381054][ T7924] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  469.467539][ T7924] BTRFS error (device loop1): failed to load root extent
[  469.467582][ T7924] BTRFS warning (device loop1): try to load backup roots slot 1
[  469.468065][ T7924] BTRFS warning (device loop1): couldn't read tree root
[  469.468084][ T7924] BTRFS warning (device loop1): try to load backup roots slot 2
[  469.468462][   T12] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  469.468593][ T7924] BTRFS warning (device loop1): couldn't read tree root
[  469.468609][ T7924] BTRFS warning (device loop1): try to load backup roots slot 3
[  469.489846][ T7924] BTRFS info (device loop1): rebuilding free space tree
[  469.556600][ T7924] BTRFS info (device loop1): disabling free space tree
[  469.556673][ T7924] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  469.556695][ T7924] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  469.569108][ T7924] BTRFS info (device loop1): checking UUID tree
[  469.570117][ T7924] BTRFS info (device loop1): enabling ssd optimizations
[  469.570136][ T7924] BTRFS info (device loop1): disabling tree log
[  469.570150][ T7924] BTRFS info (device loop1): turning on flush-on-commit
[  469.570164][ T7924] BTRFS info (device loop1): turning on async discard
[  469.570176][ T7924] BTRFS info (device loop1): enabling disk space caching
[  469.570190][ T7924] BTRFS info (device loop1): force clearing of disk cache
[  469.570204][ T7924] BTRFS info (device loop1): trying to use backup root at mount time
[  469.570220][ T7924] BTRFS info (device loop1): use zstd compression, level 3
[  469.811935][ T6046] BTRFS info (device loop1): last unmount of filesystem 868e615a-adcd-48d9-b254-f7ac50e75bb0
[  470.272602][ T7943] loop1: detected capacity change from 0 to 32768
[  470.273637][ T7943] btrfs: Deprecated parameter 'usebackuproot'
[  470.273654][ T7943] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  470.274512][ T7943] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 1f3f3ecb-7054-4e95-b115-5629169e4dc8
[  470.274565][ T7943] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.123 (7943)
[  470.277798][ T7943] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  470.277824][ T7943] BTRFS info (device loop1): using crc32c checksum algorithm
[  470.277849][ T7943] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  470.385020][ T5699] btrfs_validate_extent_buffer: 2 callbacks suppressed
[  470.385041][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  470.385226][ T7943] BTRFS error (device loop1): failed to load root extent
[  470.385262][ T7943] BTRFS warning (device loop1): try to load backup roots slot 1
[  470.385558][   T12] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  470.385699][ T7943] BTRFS warning (device loop1): couldn't read tree root
[  470.385715][ T7943] BTRFS warning (device loop1): try to load backup roots slot 2
[  470.385996][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  470.386913][ T7943] BTRFS warning (device loop1): couldn't read tree root
[  470.386932][ T7943] BTRFS warning (device loop1): try to load backup roots slot 3
[  470.530172][ T7943] BTRFS info (device loop1): rebuilding free space tree
[  470.562995][ T7943] BTRFS info (device loop1): disabling free space tree
[  470.563068][ T7943] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  470.563090][ T7943] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  470.616987][ T7943] BTRFS info (device loop1): checking UUID tree
[  470.617619][ T7943] BTRFS info (device loop1): enabling ssd optimizations
[  470.617638][ T7943] BTRFS info (device loop1): disabling tree log
[  470.617652][ T7943] BTRFS info (device loop1): turning on flush-on-commit
[  470.617666][ T7943] BTRFS info (device loop1): turning on async discard
[  470.617679][ T7943] BTRFS info (device loop1): enabling disk space caching
[  470.617692][ T7943] BTRFS info (device loop1): force clearing of disk cache
[  470.617706][ T7943] BTRFS info (device loop1): trying to use backup root at mount time
[  470.617721][ T7943] BTRFS info (device loop1): use zstd compression, level 3
[  470.821758][ T6046] BTRFS info (device loop1): last unmount of filesystem 1f3f3ecb-7054-4e95-b115-5629169e4dc8
[  471.272989][ T7963] loop1: detected capacity change from 0 to 32768
[  471.277670][ T7963] btrfs: Deprecated parameter 'usebackuproot'
[  471.277689][ T7963] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  471.279064][ T7963] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 42d73360-2714-4497-a4a0-e85226f25b2d
[  471.279121][ T7963] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.124 (7963)
[  471.289157][ T7963] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  471.289189][ T7963] BTRFS info (device loop1): using crc32c checksum algorithm
[  471.289215][ T7963] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  471.429749][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  471.429907][ T7963] BTRFS error (device loop1): failed to load root extent
[  471.429943][ T7963] BTRFS warning (device loop1): try to load backup roots slot 1
[  471.462360][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  471.462509][ T7963] BTRFS warning (device loop1): couldn't read tree root
[  471.462527][ T7963] BTRFS warning (device loop1): try to load backup roots slot 2
[  471.470118][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  471.533130][ T7963] BTRFS warning (device loop1): couldn't read tree root
[  471.533156][ T7963] BTRFS warning (device loop1): try to load backup roots slot 3
[  471.560517][ T7963] BTRFS info (device loop1): rebuilding free space tree
[  471.625556][ T7963] BTRFS info (device loop1): disabling free space tree
[  471.625640][ T7963] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  471.625677][ T7963] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  471.635421][ T7963] BTRFS info (device loop1): checking UUID tree
[  471.636422][ T7963] BTRFS info (device loop1): enabling ssd optimizations
[  471.636442][ T7963] BTRFS info (device loop1): disabling tree log
[  471.636456][ T7963] BTRFS info (device loop1): turning on flush-on-commit
[  471.636476][ T7963] BTRFS info (device loop1): turning on async discard
[  471.636490][ T7963] BTRFS info (device loop1): enabling disk space caching
[  471.636502][ T7963] BTRFS info (device loop1): force clearing of disk cache
[  471.636516][ T7963] BTRFS info (device loop1): trying to use backup root at mount time
[  471.636531][ T7963] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:29:55 executed programs: 110
[  471.792091][ T6046] BTRFS info (device loop1): last unmount of filesystem 42d73360-2714-4497-a4a0-e85226f25b2d
[  472.267313][ T7982] loop1: detected capacity change from 0 to 32768
[  472.268376][ T7982] btrfs: Deprecated parameter 'usebackuproot'
[  472.268394][ T7982] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  472.269109][ T7982] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 7fefc339-17e6-4bcb-8e8e-466b1e095f72
[  472.269164][ T7982] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.125 (7982)
[  472.319156][ T7982] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  472.319186][ T7982] BTRFS info (device loop1): using crc32c checksum algorithm
[  472.319210][ T7982] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  472.394222][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  472.394376][ T7982] BTRFS error (device loop1): failed to load root extent
[  472.394417][ T7982] BTRFS warning (device loop1): try to load backup roots slot 1
[  472.394747][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  472.394958][ T7982] BTRFS warning (device loop1): couldn't read tree root
[  472.394974][ T7982] BTRFS warning (device loop1): try to load backup roots slot 2
[  472.396182][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  472.396373][ T7982] BTRFS warning (device loop1): couldn't read tree root
[  472.396389][ T7982] BTRFS warning (device loop1): try to load backup roots slot 3
[  472.452130][ T7982] BTRFS info (device loop1): rebuilding free space tree
[  472.483792][ T7982] BTRFS info (device loop1): disabling free space tree
[  472.483887][ T7982] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  472.483909][ T7982] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  472.494932][ T7982] BTRFS info (device loop1): checking UUID tree
[  472.495938][ T7982] BTRFS info (device loop1): enabling ssd optimizations
[  472.495957][ T7982] BTRFS info (device loop1): disabling tree log
[  472.495971][ T7982] BTRFS info (device loop1): turning on flush-on-commit
[  472.495984][ T7982] BTRFS info (device loop1): turning on async discard
[  472.495997][ T7982] BTRFS info (device loop1): enabling disk space caching
[  472.496011][ T7982] BTRFS info (device loop1): force clearing of disk cache
[  472.496025][ T7982] BTRFS info (device loop1): trying to use backup root at mount time
[  472.496040][ T7982] BTRFS info (device loop1): use zstd compression, level 3
[  472.651808][ T6046] BTRFS info (device loop1): last unmount of filesystem 7fefc339-17e6-4bcb-8e8e-466b1e095f72
[  473.079464][ T8001] loop1: detected capacity change from 0 to 32768
[  473.091237][ T8001] btrfs: Deprecated parameter 'usebackuproot'
[  473.091266][ T8001] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  473.091980][ T8001] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 99416fca-0a17-41ac-a7ac-060fce07a5aa
[  473.092061][ T8001] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.126 (8001)
[  473.149413][ T8001] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  473.149441][ T8001] BTRFS info (device loop1): using crc32c checksum algorithm
[  473.149467][ T8001] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  473.235075][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  473.235988][ T8001] BTRFS error (device loop1): failed to load root extent
[  473.236026][ T8001] BTRFS warning (device loop1): try to load backup roots slot 1
[  473.236376][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  473.236503][ T8001] BTRFS warning (device loop1): couldn't read tree root
[  473.236519][ T8001] BTRFS warning (device loop1): try to load backup roots slot 2
[  473.236877][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  473.237032][ T8001] BTRFS warning (device loop1): couldn't read tree root
[  473.237049][ T8001] BTRFS warning (device loop1): try to load backup roots slot 3
[  473.304024][ T8001] BTRFS info (device loop1): rebuilding free space tree
[  473.386095][ T8001] BTRFS info (device loop1): disabling free space tree
[  473.386166][ T8001] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  473.386187][ T8001] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  473.415383][ T8001] BTRFS info (device loop1): checking UUID tree
[  473.415995][ T8001] BTRFS info (device loop1): enabling ssd optimizations
[  473.416014][ T8001] BTRFS info (device loop1): disabling tree log
[  473.416026][ T8001] BTRFS info (device loop1): turning on flush-on-commit
[  473.416040][ T8001] BTRFS info (device loop1): turning on async discard
[  473.416053][ T8001] BTRFS info (device loop1): enabling disk space caching
[  473.416067][ T8001] BTRFS info (device loop1): force clearing of disk cache
[  473.416081][ T8001] BTRFS info (device loop1): trying to use backup root at mount time
[  473.416095][ T8001] BTRFS info (device loop1): use zstd compression, level 3
[  473.591832][ T6046] BTRFS info (device loop1): last unmount of filesystem 99416fca-0a17-41ac-a7ac-060fce07a5aa
[  474.056543][ T8020] loop1: detected capacity change from 0 to 32768
[  474.057545][ T8020] btrfs: Deprecated parameter 'usebackuproot'
[  474.057561][ T8020] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  474.059420][ T8020] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 306fc91b-b6c7-4766-8c45-676c149b61d8
[  474.059504][ T8020] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.127 (8020)
[  474.121508][ T8020] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  474.121539][ T8020] BTRFS info (device loop1): using crc32c checksum algorithm
[  474.121564][ T8020] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  474.215484][ T5707] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  474.215619][ T8020] BTRFS error (device loop1): failed to load root extent
[  474.215652][ T8020] BTRFS warning (device loop1): try to load backup roots slot 1
[  474.215967][ T5707] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  474.216077][ T8020] BTRFS warning (device loop1): couldn't read tree root
[  474.216093][ T8020] BTRFS warning (device loop1): try to load backup roots slot 2
[  474.216397][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  474.216518][ T8020] BTRFS warning (device loop1): couldn't read tree root
[  474.216534][ T8020] BTRFS warning (device loop1): try to load backup roots slot 3
[  474.235877][ T8020] BTRFS info (device loop1): rebuilding free space tree
[  474.273296][ T8020] BTRFS info (device loop1): disabling free space tree
[  474.273386][ T8020] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  474.273407][ T8020] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  474.288224][ T8020] BTRFS info (device loop1): checking UUID tree
[  474.289348][ T8020] BTRFS info (device loop1): enabling ssd optimizations
[  474.289368][ T8020] BTRFS info (device loop1): disabling tree log
[  474.289381][ T8020] BTRFS info (device loop1): turning on flush-on-commit
[  474.289395][ T8020] BTRFS info (device loop1): turning on async discard
[  474.289408][ T8020] BTRFS info (device loop1): enabling disk space caching
[  474.289421][ T8020] BTRFS info (device loop1): force clearing of disk cache
[  474.289435][ T8020] BTRFS info (device loop1): trying to use backup root at mount time
[  474.289450][ T8020] BTRFS info (device loop1): use zstd compression, level 3
[  474.581829][ T6046] BTRFS info (device loop1): last unmount of filesystem 306fc91b-b6c7-4766-8c45-676c149b61d8
[  475.083375][ T8039] loop1: detected capacity change from 0 to 32768
[  475.088089][ T8039] btrfs: Deprecated parameter 'usebackuproot'
[  475.088108][ T8039] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  475.088853][ T8039] BTRFS info: device /dev/loop1 (7:1) using temp-fsid ec17fcbb-a61c-48ec-86d0-1b730dfc3331
[  475.088908][ T8039] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.128 (8039)
[  475.157316][ T8039] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  475.157345][ T8039] BTRFS info (device loop1): using crc32c checksum algorithm
[  475.157371][ T8039] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  475.286644][ T8039] BTRFS error (device loop1): failed to load root extent
[  475.286688][ T8039] BTRFS warning (device loop1): try to load backup roots slot 1
[  475.288862][ T8039] BTRFS warning (device loop1): couldn't read tree root
[  475.288885][ T8039] BTRFS warning (device loop1): try to load backup roots slot 2
[  475.289152][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  475.289272][ T8039] BTRFS warning (device loop1): couldn't read tree root
[  475.289287][ T8039] BTRFS warning (device loop1): try to load backup roots slot 3
[  475.318346][ T8039] BTRFS info (device loop1): rebuilding free space tree
[  475.403113][ T8039] BTRFS info (device loop1): disabling free space tree
[  475.403165][ T8039] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  475.403178][ T8039] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  475.406423][ T8039] BTRFS info (device loop1): checking UUID tree
[  475.407667][ T8039] BTRFS info (device loop1): enabling ssd optimizations
[  475.407687][ T8039] BTRFS info (device loop1): disabling tree log
[  475.407700][ T8039] BTRFS info (device loop1): turning on flush-on-commit
[  475.407713][ T8039] BTRFS info (device loop1): turning on async discard
[  475.407727][ T8039] BTRFS info (device loop1): enabling disk space caching
[  475.407740][ T8039] BTRFS info (device loop1): force clearing of disk cache
[  475.407753][ T8039] BTRFS info (device loop1): trying to use backup root at mount time
[  475.407767][ T8039] BTRFS info (device loop1): use zstd compression, level 3
[  475.631553][ T6046] BTRFS info (device loop1): last unmount of filesystem ec17fcbb-a61c-48ec-86d0-1b730dfc3331
[  476.050246][ T8059] loop1: detected capacity change from 0 to 32768
[  476.058240][ T8059] btrfs: Deprecated parameter 'usebackuproot'
[  476.058260][ T8059] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  476.059076][ T8059] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 8de3ed5a-26b5-4479-970b-5b8f2650aeba
[  476.059130][ T8059] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.129 (8059)
[  476.118152][ T8059] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  476.118184][ T8059] BTRFS info (device loop1): using crc32c checksum algorithm
[  476.118212][ T8059] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  476.261788][ T5699] btrfs_validate_extent_buffer: 2 callbacks suppressed
[  476.261808][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  476.261907][ T8059] BTRFS error (device loop1): failed to load root extent
[  476.261941][ T8059] BTRFS warning (device loop1): try to load backup roots slot 1
[  476.279859][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  476.279996][ T8059] BTRFS warning (device loop1): couldn't read tree root
[  476.280012][ T8059] BTRFS warning (device loop1): try to load backup roots slot 2
[  476.289999][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  476.290111][ T8059] BTRFS warning (device loop1): couldn't read tree root
[  476.290127][ T8059] BTRFS warning (device loop1): try to load backup roots slot 3
[  476.352302][ T8059] BTRFS info (device loop1): rebuilding free space tree
[  476.463659][ T8059] BTRFS info (device loop1): disabling free space tree
[  476.463742][ T8059] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  476.463766][ T8059] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  476.508143][ T8059] BTRFS info (device loop1): checking UUID tree
[  476.509077][ T8059] BTRFS info (device loop1): enabling ssd optimizations
[  476.509099][ T8059] BTRFS info (device loop1): disabling tree log
[  476.509112][ T8059] BTRFS info (device loop1): turning on flush-on-commit
[  476.509126][ T8059] BTRFS info (device loop1): turning on async discard
[  476.509140][ T8059] BTRFS info (device loop1): enabling disk space caching
[  476.509154][ T8059] BTRFS info (device loop1): force clearing of disk cache
[  476.509168][ T8059] BTRFS info (device loop1): trying to use backup root at mount time
[  476.509184][ T8059] BTRFS info (device loop1): use zstd compression, level 3
[  476.721989][ T6046] BTRFS info (device loop1): last unmount of filesystem 8de3ed5a-26b5-4479-970b-5b8f2650aeba
[  477.109389][ T8079] loop1: detected capacity change from 0 to 32768
[  477.119626][ T8079] btrfs: Deprecated parameter 'usebackuproot'
[  477.119646][ T8079] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  477.124694][ T8079] BTRFS info: device /dev/loop1 (7:1) using temp-fsid ec443e3e-77f3-434a-be21-8cbda6c3c077
[  477.124759][ T8079] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.130 (8079)
[  477.132697][ T8079] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  477.132725][ T8079] BTRFS info (device loop1): using crc32c checksum algorithm
[  477.132751][ T8079] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  477.249902][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  477.250900][ T8079] BTRFS error (device loop1): failed to load root extent
[  477.250939][ T8079] BTRFS warning (device loop1): try to load backup roots slot 1
[  477.273023][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  477.294189][ T8079] BTRFS warning (device loop1): couldn't read tree root
[  477.294213][ T8079] BTRFS warning (device loop1): try to load backup roots slot 2
[  477.294579][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  477.294705][ T8079] BTRFS warning (device loop1): couldn't read tree root
[  477.294721][ T8079] BTRFS warning (device loop1): try to load backup roots slot 3
[  477.364461][ T8079] BTRFS info (device loop1): rebuilding free space tree
[  477.477744][ T8079] BTRFS info (device loop1): disabling free space tree
[  477.477795][ T8079] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  477.477808][ T8079] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  477.499310][ T8079] BTRFS info (device loop1): checking UUID tree
[  477.500149][ T8079] BTRFS info (device loop1): enabling ssd optimizations
[  477.500168][ T8079] BTRFS info (device loop1): disabling tree log
[  477.500181][ T8079] BTRFS info (device loop1): turning on flush-on-commit
[  477.500195][ T8079] BTRFS info (device loop1): turning on async discard
[  477.500208][ T8079] BTRFS info (device loop1): enabling disk space caching
[  477.500222][ T8079] BTRFS info (device loop1): force clearing of disk cache
[  477.500236][ T8079] BTRFS info (device loop1): trying to use backup root at mount time
[  477.500264][ T8079] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:30:01 executed programs: 116
[  477.743032][ T6046] BTRFS info (device loop1): last unmount of filesystem ec443e3e-77f3-434a-be21-8cbda6c3c077
[  478.165233][ T8099] loop1: detected capacity change from 0 to 32768
[  478.187446][ T8099] btrfs: Deprecated parameter 'usebackuproot'
[  478.187477][ T8099] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  478.221321][ T8099] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 68181b2f-686e-4744-b54b-5a6e8439aad1
[  478.221381][ T8099] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.131 (8099)
[  478.227566][ T8099] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  478.227596][ T8099] BTRFS info (device loop1): using crc32c checksum algorithm
[  478.227622][ T8099] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  478.325336][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  478.325482][ T8099] BTRFS error (device loop1): failed to load root extent
[  478.325516][ T8099] BTRFS warning (device loop1): try to load backup roots slot 1
[  478.325818][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  478.325935][ T8099] BTRFS warning (device loop1): couldn't read tree root
[  478.325949][ T8099] BTRFS warning (device loop1): try to load backup roots slot 2
[  478.326190][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  478.326290][ T8099] BTRFS warning (device loop1): couldn't read tree root
[  478.326302][ T8099] BTRFS warning (device loop1): try to load backup roots slot 3
[  478.417683][ T8099] BTRFS info (device loop1): rebuilding free space tree
[  478.484132][ T8099] BTRFS info (device loop1): disabling free space tree
[  478.484217][ T8099] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  478.484239][ T8099] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  478.492109][ T8099] BTRFS info (device loop1): checking UUID tree
[  478.492752][ T8099] BTRFS info (device loop1): enabling ssd optimizations
[  478.492770][ T8099] BTRFS info (device loop1): disabling tree log
[  478.492783][ T8099] BTRFS info (device loop1): turning on flush-on-commit
[  478.492796][ T8099] BTRFS info (device loop1): turning on async discard
[  478.492810][ T8099] BTRFS info (device loop1): enabling disk space caching
[  478.492823][ T8099] BTRFS info (device loop1): force clearing of disk cache
[  478.492837][ T8099] BTRFS info (device loop1): trying to use backup root at mount time
[  478.492852][ T8099] BTRFS info (device loop1): use zstd compression, level 3
[  478.683297][ T6046] BTRFS info (device loop1): last unmount of filesystem 68181b2f-686e-4744-b54b-5a6e8439aad1
[  479.209555][ T8118] loop1: detected capacity change from 0 to 32768
[  479.210624][ T8118] btrfs: Deprecated parameter 'usebackuproot'
[  479.210644][ T8118] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  479.253232][ T8118] BTRFS info: device /dev/loop1 (7:1) using temp-fsid dd3727cb-e217-4b32-adb0-3f19b0937447
[  479.253290][ T8118] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.132 (8118)
[  479.259691][ T8118] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  479.259720][ T8118] BTRFS info (device loop1): using crc32c checksum algorithm
[  479.259745][ T8118] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  479.354649][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  479.354771][ T8118] BTRFS error (device loop1): failed to load root extent
[  479.354805][ T8118] BTRFS warning (device loop1): try to load backup roots slot 1
[  479.355066][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  479.355157][ T8118] BTRFS warning (device loop1): couldn't read tree root
[  479.355172][ T8118] BTRFS warning (device loop1): try to load backup roots slot 2
[  479.355418][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  479.359291][ T8118] BTRFS warning (device loop1): couldn't read tree root
[  479.359332][ T8118] BTRFS warning (device loop1): try to load backup roots slot 3
[  479.462293][ T8118] BTRFS info (device loop1): rebuilding free space tree
[  479.525776][ T8118] BTRFS info (device loop1): disabling free space tree
[  479.525855][ T8118] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  479.525877][ T8118] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  479.538283][ T8118] BTRFS info (device loop1): checking UUID tree
[  479.539047][ T8118] BTRFS info (device loop1): enabling ssd optimizations
[  479.539065][ T8118] BTRFS info (device loop1): disabling tree log
[  479.539079][ T8118] BTRFS info (device loop1): turning on flush-on-commit
[  479.539092][ T8118] BTRFS info (device loop1): turning on async discard
[  479.539106][ T8118] BTRFS info (device loop1): enabling disk space caching
[  479.539119][ T8118] BTRFS info (device loop1): force clearing of disk cache
[  479.539132][ T8118] BTRFS info (device loop1): trying to use backup root at mount time
[  479.539148][ T8118] BTRFS info (device loop1): use zstd compression, level 3
[  479.801877][ T6046] BTRFS info (device loop1): last unmount of filesystem dd3727cb-e217-4b32-adb0-3f19b0937447
[  480.249739][ T8139] loop1: detected capacity change from 0 to 32768
[  480.259838][ T8139] btrfs: Deprecated parameter 'usebackuproot'
[  480.259858][ T8139] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  480.261823][ T8139] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 04b6f6c0-6b4b-49b6-ba77-d32215350a5a
[  480.261880][ T8139] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.133 (8139)
[  480.270489][ T8139] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  480.270518][ T8139] BTRFS info (device loop1): using crc32c checksum algorithm
[  480.270544][ T8139] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  480.360293][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  480.397921][ T8139] BTRFS error (device loop1): failed to load root extent
[  480.397965][ T8139] BTRFS warning (device loop1): try to load backup roots slot 1
[  480.399500][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  480.400185][ T8139] BTRFS warning (device loop1): couldn't read tree root
[  480.400652][ T8139] BTRFS warning (device loop1): try to load backup roots slot 2
[  480.446824][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  480.478734][ T8139] BTRFS warning (device loop1): couldn't read tree root
[  480.478761][ T8139] BTRFS warning (device loop1): try to load backup roots slot 3
[  480.508930][ T8139] BTRFS info (device loop1): rebuilding free space tree
[  480.569624][ T8139] BTRFS info (device loop1): disabling free space tree
[  480.569672][ T8139] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  480.569685][ T8139] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  480.602854][ T8139] BTRFS info (device loop1): checking UUID tree
[  480.604078][ T8139] BTRFS info (device loop1): enabling ssd optimizations
[  480.604099][ T8139] BTRFS info (device loop1): disabling tree log
[  480.604110][ T8139] BTRFS info (device loop1): turning on flush-on-commit
[  480.604123][ T8139] BTRFS info (device loop1): turning on async discard
[  480.604137][ T8139] BTRFS info (device loop1): enabling disk space caching
[  480.604150][ T8139] BTRFS info (device loop1): force clearing of disk cache
[  480.604163][ T8139] BTRFS info (device loop1): trying to use backup root at mount time
[  480.604178][ T8139] BTRFS info (device loop1): use zstd compression, level 3
[  480.802030][ T6046] BTRFS info (device loop1): last unmount of filesystem 04b6f6c0-6b4b-49b6-ba77-d32215350a5a
[  481.352784][ T8158] loop1: detected capacity change from 0 to 32768
[  481.354074][ T8158] btrfs: Deprecated parameter 'usebackuproot'
[  481.354093][ T8158] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  481.354791][ T8158] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 7be8de61-4d6a-421c-9ec1-3924d60480b1
[  481.354847][ T8158] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.134 (8158)
[  481.362883][ T8158] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  481.362910][ T8158] BTRFS info (device loop1): using crc32c checksum algorithm
[  481.362936][ T8158] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  481.473943][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  481.474090][ T8158] BTRFS error (device loop1): failed to load root extent
[  481.474126][ T8158] BTRFS warning (device loop1): try to load backup roots slot 1
[  481.474429][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  481.476983][ T8158] BTRFS warning (device loop1): couldn't read tree root
[  481.477006][ T8158] BTRFS warning (device loop1): try to load backup roots slot 2
[  481.477393][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  481.477516][ T8158] BTRFS warning (device loop1): couldn't read tree root
[  481.477532][ T8158] BTRFS warning (device loop1): try to load backup roots slot 3
[  481.593816][ T8158] BTRFS info (device loop1): rebuilding free space tree
[  481.644229][ T8158] BTRFS info (device loop1): disabling free space tree
[  481.644304][ T8158] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  481.644327][ T8158] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  481.659796][ T8158] BTRFS info (device loop1): checking UUID tree
[  481.660404][ T8158] BTRFS info (device loop1): enabling ssd optimizations
[  481.660422][ T8158] BTRFS info (device loop1): disabling tree log
[  481.660435][ T8158] BTRFS info (device loop1): turning on flush-on-commit
[  481.660449][ T8158] BTRFS info (device loop1): turning on async discard
[  481.660462][ T8158] BTRFS info (device loop1): enabling disk space caching
[  481.660475][ T8158] BTRFS info (device loop1): force clearing of disk cache
[  481.660489][ T8158] BTRFS info (device loop1): trying to use backup root at mount time
[  481.660504][ T8158] BTRFS info (device loop1): use zstd compression, level 3
[  481.832167][ T6046] BTRFS info (device loop1): last unmount of filesystem 7be8de61-4d6a-421c-9ec1-3924d60480b1
[  482.292554][ T8177] loop1: detected capacity change from 0 to 32768
[  482.295087][ T8177] btrfs: Deprecated parameter 'usebackuproot'
[  482.295104][ T8177] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  482.295773][ T8177] BTRFS info: device /dev/loop1 (7:1) using temp-fsid ce4f942e-1f79-453d-9df1-74e340a35f59
[  482.295823][ T8177] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.135 (8177)
[  482.306940][ T8177] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  482.306969][ T8177] BTRFS info (device loop1): using crc32c checksum algorithm
[  482.306995][ T8177] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  482.412018][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  482.430068][ T8177] BTRFS error (device loop1): failed to load root extent
[  482.430106][ T8177] BTRFS warning (device loop1): try to load backup roots slot 1
[  482.430462][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  482.430584][ T8177] BTRFS warning (device loop1): couldn't read tree root
[  482.430598][ T8177] BTRFS warning (device loop1): try to load backup roots slot 2
[  482.431682][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  482.431796][ T8177] BTRFS warning (device loop1): couldn't read tree root
[  482.431811][ T8177] BTRFS warning (device loop1): try to load backup roots slot 3
[  482.446034][ T8177] BTRFS info (device loop1): rebuilding free space tree
[  482.466385][ T8177] BTRFS info (device loop1): disabling free space tree
[  482.466460][ T8177] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  482.466481][ T8177] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  482.493396][ T8177] BTRFS info (device loop1): checking UUID tree
[  482.494001][ T8177] BTRFS info (device loop1): enabling ssd optimizations
[  482.494019][ T8177] BTRFS info (device loop1): disabling tree log
[  482.494032][ T8177] BTRFS info (device loop1): turning on flush-on-commit
[  482.494053][ T8177] BTRFS info (device loop1): turning on async discard
[  482.494066][ T8177] BTRFS info (device loop1): enabling disk space caching
[  482.494079][ T8177] BTRFS info (device loop1): force clearing of disk cache
[  482.494093][ T8177] BTRFS info (device loop1): trying to use backup root at mount time
[  482.494109][ T8177] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:30:06 executed programs: 121
[  482.751782][ T6046] BTRFS info (device loop1): last unmount of filesystem ce4f942e-1f79-453d-9df1-74e340a35f59
[  483.194210][ T8196] loop1: detected capacity change from 0 to 32768
[  483.195231][ T8196] btrfs: Deprecated parameter 'usebackuproot'
[  483.195249][ T8196] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  483.196604][ T8196] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 75280978-55e3-4650-ae10-e06ae77a40dc
[  483.196657][ T8196] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.136 (8196)
[  483.242121][ T8196] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  483.242150][ T8196] BTRFS info (device loop1): using crc32c checksum algorithm
[  483.242176][ T8196] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  483.309284][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  483.309422][ T8196] BTRFS error (device loop1): failed to load root extent
[  483.309456][ T8196] BTRFS warning (device loop1): try to load backup roots slot 1
[  483.309750][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  483.309873][ T8196] BTRFS warning (device loop1): couldn't read tree root
[  483.309894][ T8196] BTRFS warning (device loop1): try to load backup roots slot 2
[  483.310219][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  483.310328][ T8196] BTRFS warning (device loop1): couldn't read tree root
[  483.310342][ T8196] BTRFS warning (device loop1): try to load backup roots slot 3
[  483.347176][ T8196] BTRFS info (device loop1): rebuilding free space tree
[  483.364132][ T8196] BTRFS info (device loop1): disabling free space tree
[  483.364205][ T8196] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  483.364226][ T8196] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  483.370466][ T8196] BTRFS info (device loop1): checking UUID tree
[  483.371503][ T8196] BTRFS info (device loop1): enabling ssd optimizations
[  483.371522][ T8196] BTRFS info (device loop1): disabling tree log
[  483.371535][ T8196] BTRFS info (device loop1): turning on flush-on-commit
[  483.371549][ T8196] BTRFS info (device loop1): turning on async discard
[  483.371562][ T8196] BTRFS info (device loop1): enabling disk space caching
[  483.371576][ T8196] BTRFS info (device loop1): force clearing of disk cache
[  483.371589][ T8196] BTRFS info (device loop1): trying to use backup root at mount time
[  483.371605][ T8196] BTRFS info (device loop1): use zstd compression, level 3
[  483.563160][ T6046] BTRFS info (device loop1): last unmount of filesystem 75280978-55e3-4650-ae10-e06ae77a40dc
[  484.014653][ T8215] loop1: detected capacity change from 0 to 32768
[  484.015626][ T8215] btrfs: Deprecated parameter 'usebackuproot'
[  484.015644][ T8215] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  484.016340][ T8215] BTRFS info: device /dev/loop1 (7:1) using temp-fsid da23b843-cb4a-4afd-8f77-d4c55f9ed620
[  484.016393][ T8215] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.137 (8215)
[  484.095449][ T8215] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  484.095479][ T8215] BTRFS info (device loop1): using crc32c checksum algorithm
[  484.095506][ T8215] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  484.220338][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  484.220466][ T8215] BTRFS error (device loop1): failed to load root extent
[  484.220501][ T8215] BTRFS warning (device loop1): try to load backup roots slot 1
[  484.241071][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  484.241987][ T8215] BTRFS warning (device loop1): couldn't read tree root
[  484.242005][ T8215] BTRFS warning (device loop1): try to load backup roots slot 2
[  484.242811][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  484.242957][ T8215] BTRFS warning (device loop1): couldn't read tree root
[  484.242973][ T8215] BTRFS warning (device loop1): try to load backup roots slot 3
[  484.263319][ T8215] BTRFS info (device loop1): rebuilding free space tree
[  484.314239][ T8215] BTRFS info (device loop1): disabling free space tree
[  484.314322][ T8215] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  484.314345][ T8215] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  484.333262][ T8215] BTRFS info (device loop1): checking UUID tree
[  484.334263][ T8215] BTRFS info (device loop1): enabling ssd optimizations
[  484.334282][ T8215] BTRFS info (device loop1): disabling tree log
[  484.334295][ T8215] BTRFS info (device loop1): turning on flush-on-commit
[  484.334308][ T8215] BTRFS info (device loop1): turning on async discard
[  484.334322][ T8215] BTRFS info (device loop1): enabling disk space caching
[  484.334335][ T8215] BTRFS info (device loop1): force clearing of disk cache
[  484.334349][ T8215] BTRFS info (device loop1): trying to use backup root at mount time
[  484.334364][ T8215] BTRFS info (device loop1): use zstd compression, level 3
[  484.565868][ T6046] BTRFS info (device loop1): last unmount of filesystem da23b843-cb4a-4afd-8f77-d4c55f9ed620
[  485.079926][ T8235] loop1: detected capacity change from 0 to 32768
[  485.102256][ T8235] btrfs: Deprecated parameter 'usebackuproot'
[  485.102277][ T8235] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  485.102850][ T8235] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 565d542d-8aad-4b38-8c57-fd60e3947ab3
[  485.102902][ T8235] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.138 (8235)
[  485.108568][ T8235] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  485.108588][ T8235] BTRFS info (device loop1): using crc32c checksum algorithm
[  485.108605][ T8235] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  485.290311][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  485.290457][ T8235] BTRFS error (device loop1): failed to load root extent
[  485.290491][ T8235] BTRFS warning (device loop1): try to load backup roots slot 1
[  485.290912][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  485.291047][ T8235] BTRFS warning (device loop1): couldn't read tree root
[  485.291063][ T8235] BTRFS warning (device loop1): try to load backup roots slot 2
[  485.291328][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  485.291444][ T8235] BTRFS warning (device loop1): couldn't read tree root
[  485.291460][ T8235] BTRFS warning (device loop1): try to load backup roots slot 3
[  485.384140][ T8235] BTRFS info (device loop1): rebuilding free space tree
[  485.424551][ T8235] BTRFS info (device loop1): disabling free space tree
[  485.424601][ T8235] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  485.424614][ T8235] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  485.431929][ T8235] BTRFS info (device loop1): checking UUID tree
[  485.432539][ T8235] BTRFS info (device loop1): enabling ssd optimizations
[  485.432558][ T8235] BTRFS info (device loop1): disabling tree log
[  485.432571][ T8235] BTRFS info (device loop1): turning on flush-on-commit
[  485.432585][ T8235] BTRFS info (device loop1): turning on async discard
[  485.432598][ T8235] BTRFS info (device loop1): enabling disk space caching
[  485.432611][ T8235] BTRFS info (device loop1): force clearing of disk cache
[  485.432625][ T8235] BTRFS info (device loop1): trying to use backup root at mount time
[  485.432641][ T8235] BTRFS info (device loop1): use zstd compression, level 3
[  485.651930][ T6046] BTRFS info (device loop1): last unmount of filesystem 565d542d-8aad-4b38-8c57-fd60e3947ab3
[  486.034900][ T8255] loop1: detected capacity change from 0 to 32768
[  486.044879][ T8255] btrfs: Deprecated parameter 'usebackuproot'
[  486.044900][ T8255] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  486.065270][ T8255] BTRFS info: device /dev/loop1 (7:1) using temp-fsid ddf2fa53-acc6-4dfd-b146-adecf7bfcc68
[  486.065332][ T8255] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.139 (8255)
[  486.070630][ T8255] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  486.072901][ T8255] BTRFS info (device loop1): using crc32c checksum algorithm
[  486.072939][ T8255] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  486.192757][ T8255] BTRFS error (device loop1): failed to load root extent
[  486.192799][ T8255] BTRFS warning (device loop1): try to load backup roots slot 1
[  486.193202][ T8255] BTRFS warning (device loop1): couldn't read tree root
[  486.193220][ T8255] BTRFS warning (device loop1): try to load backup roots slot 2
[  486.193519][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  486.193641][ T8255] BTRFS warning (device loop1): couldn't read tree root
[  486.193658][ T8255] BTRFS warning (device loop1): try to load backup roots slot 3
[  486.269376][ T8255] BTRFS info (device loop1): rebuilding free space tree
[  486.314356][ T8255] BTRFS info (device loop1): disabling free space tree
[  486.314443][ T8255] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  486.314466][ T8255] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  486.321071][ T8255] BTRFS info (device loop1): checking UUID tree
[  486.322042][ T8255] BTRFS info (device loop1): enabling ssd optimizations
[  486.322063][ T8255] BTRFS info (device loop1): disabling tree log
[  486.322077][ T8255] BTRFS info (device loop1): turning on flush-on-commit
[  486.322090][ T8255] BTRFS info (device loop1): turning on async discard
[  486.322103][ T8255] BTRFS info (device loop1): enabling disk space caching
[  486.322117][ T8255] BTRFS info (device loop1): force clearing of disk cache
[  486.322131][ T8255] BTRFS info (device loop1): trying to use backup root at mount time
[  486.322146][ T8255] BTRFS info (device loop1): use zstd compression, level 3
[  486.551928][ T6046] BTRFS info (device loop1): last unmount of filesystem ddf2fa53-acc6-4dfd-b146-adecf7bfcc68
[  486.975873][ T8275] loop1: detected capacity change from 0 to 32768
[  486.976997][ T8275] btrfs: Deprecated parameter 'usebackuproot'
[  486.977015][ T8275] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  486.977763][ T8275] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 6ad74bbb-84fb-4d67-b9e7-b552ff821dd6
[  486.977828][ T8275] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.140 (8275)
[  487.043382][ T8275] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  487.043414][ T8275] BTRFS info (device loop1): using crc32c checksum algorithm
[  487.043439][ T8275] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  487.110160][ T5735] btrfs_validate_extent_buffer: 2 callbacks suppressed
[  487.110182][ T5735] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  487.149423][ T8275] BTRFS error (device loop1): failed to load root extent
[  487.149470][ T8275] BTRFS warning (device loop1): try to load backup roots slot 1
[  487.149844][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  487.149964][ T8275] BTRFS warning (device loop1): couldn't read tree root
[  487.149980][ T8275] BTRFS warning (device loop1): try to load backup roots slot 2
[  487.150286][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  487.150394][ T8275] BTRFS warning (device loop1): couldn't read tree root
[  487.150425][ T8275] BTRFS warning (device loop1): try to load backup roots slot 3
[  487.168138][ T8275] BTRFS info (device loop1): rebuilding free space tree
[  487.286653][ T8275] BTRFS info (device loop1): disabling free space tree
[  487.286725][ T8275] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  487.286748][ T8275] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  487.298502][ T8275] BTRFS info (device loop1): checking UUID tree
[  487.299522][ T8275] BTRFS info (device loop1): enabling ssd optimizations
[  487.299543][ T8275] BTRFS info (device loop1): disabling tree log
[  487.299556][ T8275] BTRFS info (device loop1): turning on flush-on-commit
[  487.299570][ T8275] BTRFS info (device loop1): turning on async discard
[  487.299583][ T8275] BTRFS info (device loop1): enabling disk space caching
[  487.299596][ T8275] BTRFS info (device loop1): force clearing of disk cache
[  487.299610][ T8275] BTRFS info (device loop1): trying to use backup root at mount time
[  487.299629][ T8275] BTRFS info (device loop1): use zstd compression, level 3
[  487.521894][ T6046] BTRFS info (device loop1): last unmount of filesystem 6ad74bbb-84fb-4d67-b9e7-b552ff821dd6
[  487.937761][ T8294] loop1: detected capacity change from 0 to 32768
[  487.938841][ T8294] btrfs: Deprecated parameter 'usebackuproot'
[  487.938859][ T8294] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  487.939929][ T8294] BTRFS info: device /dev/loop1 (7:1) using temp-fsid e26b8569-aa56-4892-a998-fb755214a128
[  487.939986][ T8294] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.141 (8294)
[  487.972835][ T8294] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  487.972863][ T8294] BTRFS info (device loop1): using crc32c checksum algorithm
[  487.972889][ T8294] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  488.055935][ T5735] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  488.056044][ T8294] BTRFS error (device loop1): failed to load root extent
[  488.056077][ T8294] BTRFS warning (device loop1): try to load backup roots slot 1
[  488.056290][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  488.056904][ T8294] BTRFS warning (device loop1): couldn't read tree root
[  488.056923][ T8294] BTRFS warning (device loop1): try to load backup roots slot 2
[  488.058216][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  488.058310][ T8294] BTRFS warning (device loop1): couldn't read tree root
[  488.058327][ T8294] BTRFS warning (device loop1): try to load backup roots slot 3
[  488.107343][ T8294] BTRFS info (device loop1): rebuilding free space tree
[  488.152681][ T8294] BTRFS info (device loop1): disabling free space tree
[  488.152770][ T8294] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  488.152792][ T8294] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  488.161882][ T8294] BTRFS info (device loop1): checking UUID tree
[  488.162911][ T8294] BTRFS info (device loop1): enabling ssd optimizations
[  488.162931][ T8294] BTRFS info (device loop1): disabling tree log
[  488.162945][ T8294] BTRFS info (device loop1): turning on flush-on-commit
[  488.162959][ T8294] BTRFS info (device loop1): turning on async discard
[  488.162972][ T8294] BTRFS info (device loop1): enabling disk space caching
[  488.162985][ T8294] BTRFS info (device loop1): force clearing of disk cache
[  488.162999][ T8294] BTRFS info (device loop1): trying to use backup root at mount time
[  488.163015][ T8294] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:30:12 executed programs: 127
[  488.350199][ T6046] BTRFS info (device loop1): last unmount of filesystem e26b8569-aa56-4892-a998-fb755214a128
[  488.793042][ T8313] loop1: detected capacity change from 0 to 32768
[  488.796220][ T8313] btrfs: Deprecated parameter 'usebackuproot'
[  488.796240][ T8313] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  488.798018][ T8313] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 140125ce-20d2-4e5d-98b9-900b540db758
[  488.798076][ T8313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.142 (8313)
[  488.847184][ T8313] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  488.847216][ T8313] BTRFS info (device loop1): using crc32c checksum algorithm
[  488.847242][ T8313] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  488.959177][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  488.959307][ T8313] BTRFS error (device loop1): failed to load root extent
[  488.959338][ T8313] BTRFS warning (device loop1): try to load backup roots slot 1
[  488.959600][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  488.959716][ T8313] BTRFS warning (device loop1): couldn't read tree root
[  488.959731][ T8313] BTRFS warning (device loop1): try to load backup roots slot 2
[  488.959955][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  488.960940][ T8313] BTRFS warning (device loop1): couldn't read tree root
[  488.960959][ T8313] BTRFS warning (device loop1): try to load backup roots slot 3
[  488.990629][ T8313] BTRFS info (device loop1): rebuilding free space tree
[  489.092381][ T8313] BTRFS info (device loop1): disabling free space tree
[  489.092467][ T8313] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  489.092490][ T8313] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  489.098352][ T8313] BTRFS info (device loop1): checking UUID tree
[  489.099335][ T8313] BTRFS info (device loop1): enabling ssd optimizations
[  489.099354][ T8313] BTRFS info (device loop1): disabling tree log
[  489.099368][ T8313] BTRFS info (device loop1): turning on flush-on-commit
[  489.099381][ T8313] BTRFS info (device loop1): turning on async discard
[  489.099394][ T8313] BTRFS info (device loop1): enabling disk space caching
[  489.099415][ T8313] BTRFS info (device loop1): force clearing of disk cache
[  489.099430][ T8313] BTRFS info (device loop1): trying to use backup root at mount time
[  489.099445][ T8313] BTRFS info (device loop1): use zstd compression, level 3
[  489.281954][ T6046] BTRFS info (device loop1): last unmount of filesystem 140125ce-20d2-4e5d-98b9-900b540db758
[  489.759086][ T8332] loop1: detected capacity change from 0 to 32768
[  489.760068][ T8332] btrfs: Deprecated parameter 'usebackuproot'
[  489.760086][ T8332] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  489.772213][ T8332] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 89df98d0-a020-4da2-a541-ff1ca4e93c8a
[  489.772274][ T8332] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.143 (8332)
[  489.812183][ T8332] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  489.812213][ T8332] BTRFS info (device loop1): using crc32c checksum algorithm
[  489.812238][ T8332] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  489.892456][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  489.892581][ T8332] BTRFS error (device loop1): failed to load root extent
[  489.892612][ T8332] BTRFS warning (device loop1): try to load backup roots slot 1
[  489.892826][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  489.892911][ T8332] BTRFS warning (device loop1): couldn't read tree root
[  489.892927][ T8332] BTRFS warning (device loop1): try to load backup roots slot 2
[  489.893142][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  489.893220][ T8332] BTRFS warning (device loop1): couldn't read tree root
[  489.893236][ T8332] BTRFS warning (device loop1): try to load backup roots slot 3
[  490.005390][ T8332] BTRFS info (device loop1): rebuilding free space tree
[  490.024839][ T8332] BTRFS info (device loop1): disabling free space tree
[  490.024886][ T8332] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  490.024899][ T8332] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  490.041656][ T8332] BTRFS info (device loop1): checking UUID tree
[  490.042275][ T8332] BTRFS info (device loop1): enabling ssd optimizations
[  490.042293][ T8332] BTRFS info (device loop1): disabling tree log
[  490.042306][ T8332] BTRFS info (device loop1): turning on flush-on-commit
[  490.042320][ T8332] BTRFS info (device loop1): turning on async discard
[  490.042333][ T8332] BTRFS info (device loop1): enabling disk space caching
[  490.042346][ T8332] BTRFS info (device loop1): force clearing of disk cache
[  490.042359][ T8332] BTRFS info (device loop1): trying to use backup root at mount time
[  490.252936][ T6046] _btrfs_printk: 1 callbacks suppressed
[  490.252949][ T6046] BTRFS info (device loop1): last unmount of filesystem 89df98d0-a020-4da2-a541-ff1ca4e93c8a
[  490.638110][ T8351] loop1: detected capacity change from 0 to 32768
[  490.639201][ T8351] btrfs: Deprecated parameter 'usebackuproot'
[  490.639220][ T8351] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  490.640995][ T8351] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 7873fd97-088d-460f-8e9d-bafda77bf2cf
[  490.641051][ T8351] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.144 (8351)
[  490.645468][ T8351] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  490.645495][ T8351] BTRFS info (device loop1): using crc32c checksum algorithm
[  490.645520][ T8351] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  490.767495][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  490.767643][ T8351] BTRFS error (device loop1): failed to load root extent
[  490.767677][ T8351] BTRFS warning (device loop1): try to load backup roots slot 1
[  490.767956][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  490.768077][ T8351] BTRFS warning (device loop1): couldn't read tree root
[  490.768093][ T8351] BTRFS warning (device loop1): try to load backup roots slot 2
[  490.768306][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  490.768428][ T8351] BTRFS warning (device loop1): couldn't read tree root
[  490.768444][ T8351] BTRFS warning (device loop1): try to load backup roots slot 3
[  490.887942][ T8351] BTRFS info (device loop1): rebuilding free space tree
[  491.013780][ T8351] BTRFS info (device loop1): disabling free space tree
[  491.013856][ T8351] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  491.013878][ T8351] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  491.020463][ T8351] BTRFS info (device loop1): checking UUID tree
[  491.055172][ T8351] BTRFS info (device loop1): enabling ssd optimizations
[  491.055197][ T8351] BTRFS info (device loop1): disabling tree log
[  491.055209][ T8351] BTRFS info (device loop1): turning on flush-on-commit
[  491.055222][ T8351] BTRFS info (device loop1): turning on async discard
[  491.055235][ T8351] BTRFS info (device loop1): enabling disk space caching
[  491.055248][ T8351] BTRFS info (device loop1): force clearing of disk cache
[  491.055261][ T8351] BTRFS info (device loop1): trying to use backup root at mount time
[  491.055275][ T8351] BTRFS info (device loop1): use zstd compression, level 3
[  491.241809][ T6046] BTRFS info (device loop1): last unmount of filesystem 7873fd97-088d-460f-8e9d-bafda77bf2cf
[  491.678151][ T8371] loop1: detected capacity change from 0 to 32768
[  491.683463][ T8371] btrfs: Deprecated parameter 'usebackuproot'
[  491.683483][ T8371] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  491.703276][ T8371] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 24eb1f46-e3d5-4e70-82a3-e3e0f75a87e0
[  491.703337][ T8371] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.145 (8371)
[  491.730509][ T8371] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  491.730539][ T8371] BTRFS info (device loop1): using crc32c checksum algorithm
[  491.730564][ T8371] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  491.820184][ T8371] BTRFS error (device loop1): failed to load root extent
[  491.820230][ T8371] BTRFS warning (device loop1): try to load backup roots slot 1
[  491.838291][ T8371] BTRFS warning (device loop1): couldn't read tree root
[  491.838316][ T8371] BTRFS warning (device loop1): try to load backup roots slot 2
[  491.838711][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  491.838831][ T8371] BTRFS warning (device loop1): couldn't read tree root
[  491.838847][ T8371] BTRFS warning (device loop1): try to load backup roots slot 3
[  491.908616][ T8371] BTRFS info (device loop1): rebuilding free space tree
[  491.957134][ T8371] BTRFS info (device loop1): disabling free space tree
[  491.957181][ T8371] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  491.957194][ T8371] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  491.988373][ T8371] BTRFS info (device loop1): checking UUID tree
[  491.989577][ T8371] BTRFS info (device loop1): enabling ssd optimizations
[  491.989596][ T8371] BTRFS info (device loop1): disabling tree log
[  491.989608][ T8371] BTRFS info (device loop1): turning on flush-on-commit
[  491.989621][ T8371] BTRFS info (device loop1): turning on async discard
[  491.989634][ T8371] BTRFS info (device loop1): enabling disk space caching
[  491.989647][ T8371] BTRFS info (device loop1): force clearing of disk cache
[  491.989661][ T8371] BTRFS info (device loop1): trying to use backup root at mount time
[  491.989675][ T8371] BTRFS info (device loop1): use zstd compression, level 3
[  492.192963][ T6046] BTRFS info (device loop1): last unmount of filesystem 24eb1f46-e3d5-4e70-82a3-e3e0f75a87e0
[  492.654610][ T8390] loop1: detected capacity change from 0 to 32768
[  492.657557][ T8390] btrfs: Deprecated parameter 'usebackuproot'
[  492.657576][ T8390] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  492.658901][ T8390] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 0844ae1d-800b-4671-9f8f-8794902ae561
[  492.658956][ T8390] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.146 (8390)
[  492.675884][ T8390] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  492.675914][ T8390] BTRFS info (device loop1): using crc32c checksum algorithm
[  492.675949][ T8390] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  492.815262][ T7579] btrfs_validate_extent_buffer: 2 callbacks suppressed
[  492.815282][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  492.816036][ T8390] BTRFS error (device loop1): failed to load root extent
[  492.820178][ T8390] BTRFS warning (device loop1): try to load backup roots slot 1
[  492.824716][ T5707] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  492.824816][ T8390] BTRFS warning (device loop1): couldn't read tree root
[  492.824832][ T8390] BTRFS warning (device loop1): try to load backup roots slot 2
[  492.825126][ T5707] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  492.825226][ T8390] BTRFS warning (device loop1): couldn't read tree root
[  492.825242][ T8390] BTRFS warning (device loop1): try to load backup roots slot 3
[  492.836448][ T8390] BTRFS info (device loop1): rebuilding free space tree
[  492.989017][ T8390] BTRFS info (device loop1): disabling free space tree
[  492.992220][ T8390] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  493.008634][ T8390] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  493.030071][ T8390] BTRFS info (device loop1): checking UUID tree
[  493.031953][ T8390] BTRFS info (device loop1): enabling ssd optimizations
[  493.031972][ T8390] BTRFS info (device loop1): disabling tree log
[  493.031986][ T8390] BTRFS info (device loop1): turning on flush-on-commit
[  493.032000][ T8390] BTRFS info (device loop1): turning on async discard
[  493.032013][ T8390] BTRFS info (device loop1): enabling disk space caching
[  493.032027][ T8390] BTRFS info (device loop1): force clearing of disk cache
[  493.032040][ T8390] BTRFS info (device loop1): trying to use backup root at mount time
[  493.032055][ T8390] BTRFS info (device loop1): use zstd compression, level 3
[  493.221792][ T6046] BTRFS info (device loop1): last unmount of filesystem 0844ae1d-800b-4671-9f8f-8794902ae561
[  493.353863][ T5688] Bluetooth: hci1: command 0x0406 tx timeout
[  493.696077][ T8410] loop1: detected capacity change from 0 to 32768
[  493.719851][ T8410] btrfs: Deprecated parameter 'usebackuproot'
[  493.719872][ T8410] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  493.749695][ T8410] BTRFS info: device /dev/loop1 (7:1) using temp-fsid c1358d43-9aaf-466b-9d4f-846994586868
[  493.749759][ T8410] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.147 (8410)
[  493.761199][ T8410] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  493.761229][ T8410] BTRFS info (device loop1): using crc32c checksum algorithm
[  493.761256][ T8410] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  493.839779][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  493.849077][ T8410] BTRFS error (device loop1): failed to load root extent
[  493.849119][ T8410] BTRFS warning (device loop1): try to load backup roots slot 1
[  493.850301][ T5735] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  493.850415][ T8410] BTRFS warning (device loop1): couldn't read tree root
[  493.850431][ T8410] BTRFS warning (device loop1): try to load backup roots slot 2
[  493.851406][ T5735] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  493.851538][ T8410] BTRFS warning (device loop1): couldn't read tree root
[  493.851555][ T8410] BTRFS warning (device loop1): try to load backup roots slot 3
[  493.861474][ T8410] BTRFS info (device loop1): rebuilding free space tree
[  493.932828][ T8410] BTRFS info (device loop1): disabling free space tree
[  493.932903][ T8410] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  493.932925][ T8410] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  493.946597][ T8410] BTRFS info (device loop1): checking UUID tree
[  493.947633][ T8410] BTRFS info (device loop1): enabling ssd optimizations
[  493.947654][ T8410] BTRFS info (device loop1): disabling tree log
[  493.947668][ T8410] BTRFS info (device loop1): turning on flush-on-commit
[  493.947681][ T8410] BTRFS info (device loop1): turning on async discard
[  493.947695][ T8410] BTRFS info (device loop1): enabling disk space caching
[  493.947708][ T8410] BTRFS info (device loop1): force clearing of disk cache
[  493.947722][ T8410] BTRFS info (device loop1): trying to use backup root at mount time
[  493.947736][ T8410] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:30:18 executed programs: 133
[  494.201879][ T6046] BTRFS info (device loop1): last unmount of filesystem c1358d43-9aaf-466b-9d4f-846994586868
[  494.580884][ T8429] loop1: detected capacity change from 0 to 32768
[  494.581891][ T8429] btrfs: Deprecated parameter 'usebackuproot'
[  494.581907][ T8429] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  494.612797][ T8429] BTRFS info: device /dev/loop1 (7:1) using temp-fsid d0b53599-d8f8-4d96-8a84-d1f30d0a3ce1
[  494.612858][ T8429] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.148 (8429)
[  494.659705][ T8429] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  494.659747][ T8429] BTRFS info (device loop1): using crc32c checksum algorithm
[  494.659773][ T8429] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  494.766545][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  494.766671][ T8429] BTRFS error (device loop1): failed to load root extent
[  494.766702][ T8429] BTRFS warning (device loop1): try to load backup roots slot 1
[  494.767293][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  494.767401][ T8429] BTRFS warning (device loop1): couldn't read tree root
[  494.767434][ T8429] BTRFS warning (device loop1): try to load backup roots slot 2
[  494.767745][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  494.767840][ T8429] BTRFS warning (device loop1): couldn't read tree root
[  494.767855][ T8429] BTRFS warning (device loop1): try to load backup roots slot 3
[  494.786922][ T8429] BTRFS info (device loop1): rebuilding free space tree
[  494.880330][ T8429] BTRFS info (device loop1): disabling free space tree
[  494.880403][ T8429] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  494.880430][ T8429] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  494.934743][ T8429] BTRFS info (device loop1): checking UUID tree
[  494.936081][ T8429] BTRFS info (device loop1): enabling ssd optimizations
[  494.936102][ T8429] BTRFS info (device loop1): disabling tree log
[  494.936116][ T8429] BTRFS info (device loop1): turning on flush-on-commit
[  494.936129][ T8429] BTRFS info (device loop1): turning on async discard
[  494.936143][ T8429] BTRFS info (device loop1): enabling disk space caching
[  494.936157][ T8429] BTRFS info (device loop1): force clearing of disk cache
[  494.936170][ T8429] BTRFS info (device loop1): trying to use backup root at mount time
[  494.936185][ T8429] BTRFS info (device loop1): use zstd compression, level 3
[  495.143930][ T6046] BTRFS info (device loop1): last unmount of filesystem d0b53599-d8f8-4d96-8a84-d1f30d0a3ce1
[  495.687614][ T8450] loop1: detected capacity change from 0 to 32768
[  495.688569][ T8450] btrfs: Deprecated parameter 'usebackuproot'
[  495.688586][ T8450] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  495.728668][ T8450] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 1959e2a8-61a1-4531-a637-0b8ce427cc6f
[  495.728723][ T8450] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.149 (8450)
[  495.783794][ T8450] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  495.783815][ T8450] BTRFS info (device loop1): using crc32c checksum algorithm
[  495.783833][ T8450] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  495.895700][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  495.895846][ T8450] BTRFS error (device loop1): failed to load root extent
[  495.895880][ T8450] BTRFS warning (device loop1): try to load backup roots slot 1
[  495.896143][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  495.896260][ T8450] BTRFS warning (device loop1): couldn't read tree root
[  495.896276][ T8450] BTRFS warning (device loop1): try to load backup roots slot 2
[  495.896545][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  495.896669][ T8450] BTRFS warning (device loop1): couldn't read tree root
[  495.896684][ T8450] BTRFS warning (device loop1): try to load backup roots slot 3
[  495.928765][ T8450] BTRFS info (device loop1): rebuilding free space tree
[  495.942834][ T8450] BTRFS info (device loop1): disabling free space tree
[  495.942905][ T8450] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  495.942927][ T8450] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  495.952526][ T8450] BTRFS info (device loop1): checking UUID tree
[  495.953535][ T8450] BTRFS info (device loop1): enabling ssd optimizations
[  495.953554][ T8450] BTRFS info (device loop1): disabling tree log
[  495.953567][ T8450] BTRFS info (device loop1): turning on flush-on-commit
[  495.953581][ T8450] BTRFS info (device loop1): turning on async discard
[  495.953601][ T8450] BTRFS info (device loop1): enabling disk space caching
[  495.953615][ T8450] BTRFS info (device loop1): force clearing of disk cache
[  495.953629][ T8450] BTRFS info (device loop1): trying to use backup root at mount time
[  495.953643][ T8450] BTRFS info (device loop1): use zstd compression, level 3
[  496.231974][ T6046] BTRFS info (device loop1): last unmount of filesystem 1959e2a8-61a1-4531-a637-0b8ce427cc6f
[  496.716623][ T8473] loop1: detected capacity change from 0 to 32768
[  496.717796][ T8473] btrfs: Deprecated parameter 'usebackuproot'
[  496.726890][ T8473] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  496.727580][ T8473] BTRFS info: device /dev/loop1 (7:1) using temp-fsid b662a4ec-0243-46df-83cc-95e120beebe2
[  496.727634][ T8473] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.150 (8473)
[  496.731792][ T8473] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  496.731818][ T8473] BTRFS info (device loop1): using crc32c checksum algorithm
[  496.731844][ T8473] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  496.838632][ T5735] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  496.838774][ T8473] BTRFS error (device loop1): failed to load root extent
[  496.838809][ T8473] BTRFS warning (device loop1): try to load backup roots slot 1
[  496.839094][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  496.839827][ T8473] BTRFS warning (device loop1): couldn't read tree root
[  496.839846][ T8473] BTRFS warning (device loop1): try to load backup roots slot 2
[  496.840125][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  496.910976][ T8473] BTRFS warning (device loop1): couldn't read tree root
[  496.911001][ T8473] BTRFS warning (device loop1): try to load backup roots slot 3
[  496.939620][ T8473] BTRFS info (device loop1): rebuilding free space tree
[  496.984324][ T8473] BTRFS info (device loop1): disabling free space tree
[  496.984398][ T8473] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  496.984420][ T8473] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  496.989131][ T8473] BTRFS info (device loop1): checking UUID tree
[  496.990605][ T8473] BTRFS info (device loop1): enabling ssd optimizations
[  496.990638][ T8473] BTRFS info (device loop1): disabling tree log
[  497.010853][ T8473] BTRFS info (device loop1): turning on flush-on-commit
[  497.010873][ T8473] BTRFS info (device loop1): turning on async discard
[  497.010886][ T8473] BTRFS info (device loop1): enabling disk space caching
[  497.010899][ T8473] BTRFS info (device loop1): force clearing of disk cache
[  497.010912][ T8473] BTRFS info (device loop1): trying to use backup root at mount time
[  497.010928][ T8473] BTRFS info (device loop1): use zstd compression, level 3
[  497.241796][ T6046] BTRFS info (device loop1): last unmount of filesystem b662a4ec-0243-46df-83cc-95e120beebe2
[  497.633518][ T8493] loop1: detected capacity change from 0 to 32768
[  497.634510][ T8493] btrfs: Deprecated parameter 'usebackuproot'
[  497.634526][ T8493] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  497.635886][ T8493] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 4640b155-0882-4081-b66e-4d354bb6c9fa
[  497.635942][ T8493] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.151 (8493)
[  497.686137][ T8493] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  497.686168][ T8493] BTRFS info (device loop1): using crc32c checksum algorithm
[  497.686195][ T8493] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  497.795131][ T8493] BTRFS error (device loop1): failed to load root extent
[  497.795172][ T8493] BTRFS warning (device loop1): try to load backup roots slot 1
[  497.795579][ T8493] BTRFS warning (device loop1): couldn't read tree root
[  497.795612][ T8493] BTRFS warning (device loop1): try to load backup roots slot 2
[  497.795924][ T5735] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  497.796029][ T8493] BTRFS warning (device loop1): couldn't read tree root
[  497.796045][ T8493] BTRFS warning (device loop1): try to load backup roots slot 3
[  497.845887][ T8493] BTRFS info (device loop1): rebuilding free space tree
[  497.904940][ T8493] BTRFS info (device loop1): disabling free space tree
[  497.904990][ T8493] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  497.905003][ T8493] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  497.908015][ T8493] BTRFS info (device loop1): checking UUID tree
[  497.909289][ T8493] BTRFS info (device loop1): enabling ssd optimizations
[  497.909308][ T8493] BTRFS info (device loop1): disabling tree log
[  497.909321][ T8493] BTRFS info (device loop1): turning on flush-on-commit
[  497.909335][ T8493] BTRFS info (device loop1): turning on async discard
[  497.909348][ T8493] BTRFS info (device loop1): enabling disk space caching
[  497.909361][ T8493] BTRFS info (device loop1): force clearing of disk cache
[  497.909374][ T8493] BTRFS info (device loop1): trying to use backup root at mount time
[  497.909389][ T8493] BTRFS info (device loop1): use zstd compression, level 3
[  498.201996][ T6046] BTRFS info (device loop1): last unmount of filesystem 4640b155-0882-4081-b66e-4d354bb6c9fa
[  498.682349][ T8513] loop1: detected capacity change from 0 to 32768
[  498.686468][ T8513] btrfs: Deprecated parameter 'usebackuproot'
[  498.686487][ T8513] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  498.687117][ T8513] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 52198c67-f242-46ea-945f-142143725db4
[  498.687170][ T8513] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.152 (8513)
[  498.695434][ T8513] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  498.695462][ T8513] BTRFS info (device loop1): using crc32c checksum algorithm
[  498.695489][ T8513] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  498.827716][ T5699] btrfs_validate_extent_buffer: 2 callbacks suppressed
[  498.827736][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  498.827856][ T8513] BTRFS error (device loop1): failed to load root extent
[  498.827889][ T8513] BTRFS warning (device loop1): try to load backup roots slot 1
[  498.828186][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  498.828303][ T8513] BTRFS warning (device loop1): couldn't read tree root
[  498.828318][ T8513] BTRFS warning (device loop1): try to load backup roots slot 2
[  498.828610][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  498.828727][ T8513] BTRFS warning (device loop1): couldn't read tree root
[  498.828742][ T8513] BTRFS warning (device loop1): try to load backup roots slot 3
[  498.850586][ T8513] BTRFS info (device loop1): rebuilding free space tree
[  498.954146][ T8513] BTRFS info (device loop1): disabling free space tree
[  498.954245][ T8513] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  498.954276][ T8513] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  498.997351][ T8513] BTRFS info (device loop1): checking UUID tree
[  498.998282][ T8513] BTRFS info (device loop1): enabling ssd optimizations
[  498.998302][ T8513] BTRFS info (device loop1): disabling tree log
[  498.998316][ T8513] BTRFS info (device loop1): turning on flush-on-commit
[  498.998329][ T8513] BTRFS info (device loop1): turning on async discard
[  498.998342][ T8513] BTRFS info (device loop1): enabling disk space caching
[  498.998356][ T8513] BTRFS info (device loop1): force clearing of disk cache
[  498.998370][ T8513] BTRFS info (device loop1): trying to use backup root at mount time
[  498.998385][ T8513] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:30:23 executed programs: 138
[  499.212139][ T6046] BTRFS info (device loop1): last unmount of filesystem 52198c67-f242-46ea-945f-142143725db4
[  499.685731][ T8534] loop1: detected capacity change from 0 to 32768
[  499.686742][ T8534] btrfs: Deprecated parameter 'usebackuproot'
[  499.686758][ T8534] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  499.687477][ T8534] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 0099a807-ec20-406d-be74-05402c139e91
[  499.687530][ T8534] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.153 (8534)
[  499.693618][ T8534] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  499.693644][ T8534] BTRFS info (device loop1): using crc32c checksum algorithm
[  499.693671][ T8534] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  499.763652][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  499.763785][ T8534] BTRFS error (device loop1): failed to load root extent
[  499.763819][ T8534] BTRFS warning (device loop1): try to load backup roots slot 1
[  499.764104][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  499.764207][ T8534] BTRFS warning (device loop1): couldn't read tree root
[  499.764222][ T8534] BTRFS warning (device loop1): try to load backup roots slot 2
[  499.764525][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  499.764626][ T8534] BTRFS warning (device loop1): couldn't read tree root
[  499.764641][ T8534] BTRFS warning (device loop1): try to load backup roots slot 3
[  499.776871][ T8534] BTRFS info (device loop1): rebuilding free space tree
[  499.838454][ T8534] BTRFS info (device loop1): disabling free space tree
[  499.838531][ T8534] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  499.838552][ T8534] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  499.850367][ T8534] BTRFS info (device loop1): checking UUID tree
[  499.851830][ T8534] BTRFS info (device loop1): enabling ssd optimizations
[  499.851848][ T8534] BTRFS info (device loop1): disabling tree log
[  499.851860][ T8534] BTRFS info (device loop1): turning on flush-on-commit
[  499.851873][ T8534] BTRFS info (device loop1): turning on async discard
[  499.851885][ T8534] BTRFS info (device loop1): enabling disk space caching
[  499.851898][ T8534] BTRFS info (device loop1): force clearing of disk cache
[  499.851911][ T8534] BTRFS info (device loop1): trying to use backup root at mount time
[  499.851925][ T8534] BTRFS info (device loop1): use zstd compression, level 3
[  500.141726][ T6046] BTRFS info (device loop1): last unmount of filesystem 0099a807-ec20-406d-be74-05402c139e91
[  500.578217][ T8554] loop1: detected capacity change from 0 to 32768
[  500.591706][ T8554] btrfs: Deprecated parameter 'usebackuproot'
[  500.591724][ T8554] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  500.595016][ T8554] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 168a4d1b-a07a-4fbf-ac91-c68739292502
[  500.595071][ T8554] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.154 (8554)
[  500.613082][ T8554] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  500.613114][ T8554] BTRFS info (device loop1): using crc32c checksum algorithm
[  500.613140][ T8554] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  500.746252][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  500.746366][ T8554] BTRFS error (device loop1): failed to load root extent
[  500.746405][ T8554] BTRFS warning (device loop1): try to load backup roots slot 1
[  500.746617][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  500.746704][ T8554] BTRFS warning (device loop1): couldn't read tree root
[  500.746720][ T8554] BTRFS warning (device loop1): try to load backup roots slot 2
[  500.820760][ T7579] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  500.820965][ T8554] BTRFS warning (device loop1): couldn't read tree root
[  500.820976][ T8554] BTRFS warning (device loop1): try to load backup roots slot 3
[  500.869383][ T8554] BTRFS info (device loop1): rebuilding free space tree
[  500.932769][ T8554] BTRFS info (device loop1): disabling free space tree
[  500.932839][ T8554] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  500.938674][ T8554] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  500.946421][ T8554] BTRFS info (device loop1): checking UUID tree
[  500.947142][ T8554] BTRFS info (device loop1): enabling ssd optimizations
[  500.947160][ T8554] BTRFS info (device loop1): disabling tree log
[  500.947172][ T8554] BTRFS info (device loop1): turning on flush-on-commit
[  500.947185][ T8554] BTRFS info (device loop1): turning on async discard
[  500.947196][ T8554] BTRFS info (device loop1): enabling disk space caching
[  500.947221][ T8554] BTRFS info (device loop1): force clearing of disk cache
[  500.947234][ T8554] BTRFS info (device loop1): trying to use backup root at mount time
[  500.947248][ T8554] BTRFS info (device loop1): use zstd compression, level 3
[  501.194413][ T6046] BTRFS info (device loop1): last unmount of filesystem 168a4d1b-a07a-4fbf-ac91-c68739292502
[  501.531928][ T1336] ieee802154 phy0 wpan0: encryption failed: -22
[  501.532018][ T1336] ieee802154 phy1 wpan1: encryption failed: -22
[  501.622633][ T8575] loop1: detected capacity change from 0 to 32768
[  501.633672][ T8575] btrfs: Deprecated parameter 'usebackuproot'
[  501.633691][ T8575] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  501.642862][ T8575] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 2a13d6a8-07a5-4434-8143-8ab0b24933e6
[  501.642922][ T8575] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.155 (8575)
[  501.647917][ T8575] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  501.647944][ T8575] BTRFS info (device loop1): using crc32c checksum algorithm
[  501.647971][ T8575] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  501.729783][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  501.729943][ T8575] BTRFS error (device loop1): failed to load root extent
[  501.729975][ T8575] BTRFS warning (device loop1): try to load backup roots slot 1
[  501.730274][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  501.730394][ T8575] BTRFS warning (device loop1): couldn't read tree root
[  501.730409][ T8575] BTRFS warning (device loop1): try to load backup roots slot 2
[  501.730783][   T57] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  501.734346][ T8575] BTRFS warning (device loop1): couldn't read tree root
[  501.734366][ T8575] BTRFS warning (device loop1): try to load backup roots slot 3
[  501.748116][ T8575] BTRFS info (device loop1): rebuilding free space tree
[  501.772464][ T8575] BTRFS info (device loop1): disabling free space tree
[  501.772551][ T8575] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  501.772573][ T8575] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  501.779668][ T8575] BTRFS info (device loop1): checking UUID tree
[  501.781009][ T8575] BTRFS info (device loop1): enabling ssd optimizations
[  501.781028][ T8575] BTRFS info (device loop1): disabling tree log
[  501.781042][ T8575] BTRFS info (device loop1): turning on flush-on-commit
[  501.781055][ T8575] BTRFS info (device loop1): turning on async discard
[  501.781068][ T8575] BTRFS info (device loop1): enabling disk space caching
[  501.781082][ T8575] BTRFS info (device loop1): force clearing of disk cache
[  501.781096][ T8575] BTRFS info (device loop1): trying to use backup root at mount time
[  501.781115][ T8575] BTRFS info (device loop1): use zstd compression, level 3
[  502.051729][ T6046] BTRFS info (device loop1): last unmount of filesystem 2a13d6a8-07a5-4434-8143-8ab0b24933e6
[  502.538882][ T8593] loop1: detected capacity change from 0 to 32768
[  502.560976][ T8593] btrfs: Deprecated parameter 'usebackuproot'
[  502.560989][ T8593] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  502.566611][ T8593] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 1c80de75-c479-44be-abbe-19407ab4f72d
[  502.566670][ T8593] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.156 (8593)
[  502.583326][ T8593] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  502.583359][ T8593] BTRFS info (device loop1): using crc32c checksum algorithm
[  502.583385][ T8593] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  502.685991][ T5735] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  502.699962][ T8593] BTRFS error (device loop1): failed to load root extent
[  502.700003][ T8593] BTRFS warning (device loop1): try to load backup roots slot 1
[  502.707466][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  502.707614][ T8593] BTRFS warning (device loop1): couldn't read tree root
[  502.707631][ T8593] BTRFS warning (device loop1): try to load backup roots slot 2
[  502.717254][ T5735] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  502.760785][ T8593] BTRFS warning (device loop1): couldn't read tree root
[  502.760811][ T8593] BTRFS warning (device loop1): try to load backup roots slot 3
[  502.799592][ T8593] BTRFS info (device loop1): rebuilding free space tree
[  502.868540][ T8593] BTRFS info (device loop1): disabling free space tree
[  502.868614][ T8593] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  502.868635][ T8593] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  502.923051][ T8593] BTRFS info (device loop1): checking UUID tree
[  502.923827][ T8593] BTRFS info (device loop1): enabling ssd optimizations
[  502.923847][ T8593] BTRFS info (device loop1): disabling tree log
[  502.923859][ T8593] BTRFS info (device loop1): turning on flush-on-commit
[  502.923872][ T8593] BTRFS info (device loop1): turning on async discard
[  502.923886][ T8593] BTRFS info (device loop1): enabling disk space caching
[  502.923899][ T8593] BTRFS info (device loop1): force clearing of disk cache
[  502.923913][ T8593] BTRFS info (device loop1): trying to use backup root at mount time
[  502.923927][ T8593] BTRFS info (device loop1): use zstd compression, level 3
[  503.081845][ T6046] BTRFS info (device loop1): last unmount of filesystem 1c80de75-c479-44be-abbe-19407ab4f72d
[  503.507626][ T8613] loop1: detected capacity change from 0 to 32768
[  503.508736][ T8613] btrfs: Deprecated parameter 'usebackuproot'
[  503.508753][ T8613] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  503.509518][ T8613] BTRFS info: device /dev/loop1 (7:1) using temp-fsid c714041f-92df-46de-aa7b-0f3153dcac16
[  503.509574][ T8613] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.157 (8613)
[  503.514531][ T8613] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  503.514557][ T8613] BTRFS info (device loop1): using crc32c checksum algorithm
[  503.514583][ T8613] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  503.636519][ T8613] BTRFS error (device loop1): failed to load root extent
[  503.636570][ T8613] BTRFS warning (device loop1): try to load backup roots slot 1
[  503.637125][ T8613] BTRFS warning (device loop1): couldn't read tree root
[  503.637146][ T8613] BTRFS warning (device loop1): try to load backup roots slot 2
[  503.637410][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  503.637668][ T8613] BTRFS warning (device loop1): couldn't read tree root
[  503.637686][ T8613] BTRFS warning (device loop1): try to load backup roots slot 3
[  503.716595][ T8613] BTRFS info (device loop1): rebuilding free space tree
[  503.754927][ T8613] BTRFS info (device loop1): disabling free space tree
[  503.755008][ T8613] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  503.755037][ T8613] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  503.767336][ T8613] BTRFS info (device loop1): checking UUID tree
[  503.768437][ T8613] BTRFS info (device loop1): enabling ssd optimizations
[  503.768456][ T8613] BTRFS info (device loop1): disabling tree log
[  503.768470][ T8613] BTRFS info (device loop1): turning on flush-on-commit
[  503.768483][ T8613] BTRFS info (device loop1): turning on async discard
[  503.768496][ T8613] BTRFS info (device loop1): enabling disk space caching
[  503.768510][ T8613] BTRFS info (device loop1): force clearing of disk cache
[  503.768524][ T8613] BTRFS info (device loop1): trying to use backup root at mount time
[  503.768538][ T8613] BTRFS info (device loop1): use zstd compression, level 3
[  504.001925][ T6046] BTRFS info (device loop1): last unmount of filesystem c714041f-92df-46de-aa7b-0f3153dcac16
[  504.415524][ T8632] loop1: detected capacity change from 0 to 32768
[  504.418707][ T8632] btrfs: Deprecated parameter 'usebackuproot'
[  504.418726][ T8632] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  504.421415][ T8632] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 7e863c98-de49-481b-bbe4-4b295e13df39
[  504.421470][ T8632] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.158 (8632)
[  504.455118][ T8632] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  504.455149][ T8632] BTRFS info (device loop1): using crc32c checksum algorithm
[  504.455175][ T8632] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  504.568892][ T5757] btrfs_validate_extent_buffer: 2 callbacks suppressed
[  504.568912][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  504.569034][ T8632] BTRFS error (device loop1): failed to load root extent
[  504.569083][ T8632] BTRFS warning (device loop1): try to load backup roots slot 1
[  504.569399][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  504.569508][ T8632] BTRFS warning (device loop1): couldn't read tree root
[  504.569523][ T8632] BTRFS warning (device loop1): try to load backup roots slot 2
[  504.569829][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  504.569930][ T8632] BTRFS warning (device loop1): couldn't read tree root
[  504.569945][ T8632] BTRFS warning (device loop1): try to load backup roots slot 3
[  504.706344][ T8632] BTRFS info (device loop1): rebuilding free space tree
[  504.780950][ T8632] BTRFS info (device loop1): disabling free space tree
[  504.781024][ T8632] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  504.781046][ T8632] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  504.811761][ T8632] BTRFS info (device loop1): checking UUID tree
[  504.819604][ T8632] BTRFS info (device loop1): enabling ssd optimizations
[  504.819625][ T8632] BTRFS info (device loop1): disabling tree log
[  504.819638][ T8632] BTRFS info (device loop1): turning on flush-on-commit
[  504.819650][ T8632] BTRFS info (device loop1): turning on async discard
[  504.819662][ T8632] BTRFS info (device loop1): enabling disk space caching
[  504.819674][ T8632] BTRFS info (device loop1): force clearing of disk cache
[  504.819687][ T8632] BTRFS info (device loop1): trying to use backup root at mount time
[  504.819702][ T8632] BTRFS info (device loop1): use zstd compression, level 3
2026/05/25 15:30:28 executed programs: 144
[  504.961753][ T6046] BTRFS info (device loop1): last unmount of filesystem 7e863c98-de49-481b-bbe4-4b295e13df39
[  505.805578][ T8654] loop1: detected capacity change from 0 to 32768
[  505.808094][ T8654] btrfs: Deprecated parameter 'usebackuproot'
[  505.808113][ T8654] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  505.808808][ T8654] BTRFS info: device /dev/loop1 (7:1) using temp-fsid f46e8201-e001-48c3-b809-325658d64a69
[  505.808875][ T8654] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.160 (8654)
[  505.818430][ T8654] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  505.818456][ T8654] BTRFS info (device loop1): using crc32c checksum algorithm
[  505.818482][ T8654] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  505.920068][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  505.920149][ T8654] BTRFS error (device loop1): failed to load root extent
[  505.920181][ T8654] BTRFS warning (device loop1): try to load backup roots slot 1
[  505.920461][ T7579] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  505.920579][ T8654] BTRFS warning (device loop1): couldn't read tree root
[  505.920595][ T8654] BTRFS warning (device loop1): try to load backup roots slot 2
[  505.935072][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  505.941150][ T8654] BTRFS warning (device loop1): couldn't read tree root
[  505.941171][ T8654] BTRFS warning (device loop1): try to load backup roots slot 3
[  506.018913][ T8654] BTRFS info (device loop1): rebuilding free space tree
[  506.066623][ T8654] BTRFS info (device loop1): disabling free space tree
[  506.066688][ T8654] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  506.066705][ T8654] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  506.115355][ T8654] BTRFS info (device loop1): checking UUID tree
[  506.116830][ T8654] BTRFS info (device loop1): enabling ssd optimizations
[  506.116849][ T8654] BTRFS info (device loop1): disabling tree log
[  506.116860][ T8654] BTRFS info (device loop1): turning on flush-on-commit
[  506.116872][ T8654] BTRFS info (device loop1): turning on async discard
[  506.116884][ T8654] BTRFS info (device loop1): enabling disk space caching
[  506.116895][ T8654] BTRFS info (device loop1): force clearing of disk cache
[  506.116907][ T8654] BTRFS info (device loop1): trying to use backup root at mount time
[  506.116920][ T8654] BTRFS info (device loop1): use zstd compression, level 3
[  506.322160][ T6046] BTRFS info (device loop1): last unmount of filesystem f46e8201-e001-48c3-b809-325658d64a69
[  506.823522][ T8673] loop1: detected capacity change from 0 to 32768
[  506.825806][ T8673] btrfs: Deprecated parameter 'usebackuproot'
[  506.825825][ T8673] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  506.826453][ T8673] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 838278d4-9f8b-45fa-a19b-26b45db41f8f
[  506.826508][ T8673] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.161 (8673)
[  506.838454][ T8673] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  506.838499][ T8673] BTRFS info (device loop1): using crc32c checksum algorithm
[  506.838525][ T8673] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  507.024285][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  507.026180][ T8673] BTRFS error (device loop1): failed to load root extent
[  507.026216][ T8673] BTRFS warning (device loop1): try to load backup roots slot 1
[  507.026549][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  507.026677][ T8673] BTRFS warning (device loop1): couldn't read tree root
[  507.026692][ T8673] BTRFS warning (device loop1): try to load backup roots slot 2
[  507.026954][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  507.027069][ T8673] BTRFS warning (device loop1): couldn't read tree root
[  507.027085][ T8673] BTRFS warning (device loop1): try to load backup roots slot 3
[  507.044553][ T8673] BTRFS info (device loop1): rebuilding free space tree
[  507.065514][ T8673] BTRFS info (device loop1): disabling free space tree
[  507.065585][ T8673] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  507.065607][ T8673] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  507.072842][ T8673] BTRFS info (device loop1): checking UUID tree
[  507.073896][ T8673] BTRFS info (device loop1): enabling ssd optimizations
[  507.073914][ T8673] BTRFS info (device loop1): disabling tree log
[  507.073928][ T8673] BTRFS info (device loop1): turning on flush-on-commit
[  507.073941][ T8673] BTRFS info (device loop1): turning on async discard
[  507.073954][ T8673] BTRFS info (device loop1): enabling disk space caching
[  507.073968][ T8673] BTRFS info (device loop1): force clearing of disk cache
[  507.073981][ T8673] BTRFS info (device loop1): trying to use backup root at mount time
[  507.073996][ T8673] BTRFS info (device loop1): use zstd compression, level 3
[  507.342148][ T6046] BTRFS info (device loop1): last unmount of filesystem 838278d4-9f8b-45fa-a19b-26b45db41f8f
[  507.822141][ T8692] loop1: detected capacity change from 0 to 32768
[  507.823162][ T8692] btrfs: Deprecated parameter 'usebackuproot'
[  507.823180][ T8692] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  507.827794][ T8692] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 81fd9a1a-fabc-4172-ba99-794da8960d93
[  507.827851][ T8692] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.162 (8692)
[  507.861601][ T8692] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  507.861633][ T8692] BTRFS info (device loop1): using crc32c checksum algorithm
[  507.861659][ T8692] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  507.945109][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  507.945243][ T8692] BTRFS error (device loop1): failed to load root extent
[  507.945279][ T8692] BTRFS warning (device loop1): try to load backup roots slot 1
[  507.945668][ T5757] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  507.945841][ T8692] BTRFS warning (device loop1): couldn't read tree root
[  507.945857][ T8692] BTRFS warning (device loop1): try to load backup roots slot 2
[  507.946130][ T5757] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  507.946246][ T8692] BTRFS warning (device loop1): couldn't read tree root
[  507.946262][ T8692] BTRFS warning (device loop1): try to load backup roots slot 3
[  508.055069][ T8692] BTRFS info (device loop1): rebuilding free space tree
[  508.106557][ T8692] BTRFS info (device loop1): disabling free space tree
[  508.106648][ T8692] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  508.106670][ T8692] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  508.115058][ T8692] BTRFS info (device loop1): checking UUID tree
[  508.116050][ T8692] BTRFS info (device loop1): enabling ssd optimizations
[  508.116068][ T8692] BTRFS info (device loop1): disabling tree log
[  508.116082][ T8692] BTRFS info (device loop1): turning on flush-on-commit
[  508.116096][ T8692] BTRFS info (device loop1): turning on async discard
[  508.116110][ T8692] BTRFS info (device loop1): enabling disk space caching
[  508.116123][ T8692] BTRFS info (device loop1): force clearing of disk cache
[  508.116137][ T8692] BTRFS info (device loop1): trying to use backup root at mount time
[  508.116151][ T8692] BTRFS info (device loop1): use zstd compression, level 3
[  508.331851][ T6046] BTRFS info (device loop1): last unmount of filesystem 81fd9a1a-fabc-4172-ba99-794da8960d93
[  508.687052][ T8711] loop1: detected capacity change from 0 to 32768
[  508.687928][ T8711] btrfs: Deprecated parameter 'usebackuproot'
[  508.687944][ T8711] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
[  508.688584][ T8711] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 867a692a-7a04-4593-bc22-02c25fa3c93d
[  508.688628][ T8711] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.163 (8711)
[  508.702625][ T8711] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  508.702653][ T8711] BTRFS info (device loop1): using crc32c checksum algorithm
[  508.702678][ T8711] BTRFS warning (device loop1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[  508.751952][   T57] BTRFS warning (device loop1): checksum verify failed on logical 5337088 mirror 1 wanted 0xe63dbdda found 0xc926492d level 0
[  508.752099][ T8711] BTRFS error (device loop1): failed to load root extent
[  508.752132][ T8711] BTRFS warning (device loop1): try to load backup roots slot 1
[  508.752435][ T5699] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0x80379423 level 0
[  508.752547][ T8711] BTRFS warning (device loop1): couldn't read tree root
[  508.752562][ T8711] BTRFS warning (device loop1): try to load backup roots slot 2
[  508.752871][ T5699] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1
[  508.752971][ T8711] BTRFS warning (device loop1): couldn't read tree root
[  508.752985][ T8711] BTRFS warning (device loop1): try to load backup roots slot 3
[  508.790476][ T8711] BTRFS info (device loop1): rebuilding free space tree
[  508.874573][ T8711] BTRFS info (device loop1): disabling free space tree
[  508.874655][ T8711] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  508.874678][ T8711] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  508.911775][ T8711] BTRFS info (device loop1): checking UUID tree
[  508.912289][ T8711] BTRFS info (device loop1): enabling ssd optimizations
[  508.912308][ T8711] BTRFS info (device loop1): disabling tree log
[  508.912322][ T8711] BTRFS info (device loop1): turning on flush-on-commit
[  508.912336][ T8711] BTRFS info (device loop1): turning on async discard
[  508.912350][ T8711] BTRFS info (device loop1): enabling disk space caching
[  508.912364][ T8711] BTRFS info (device loop1): force clearing of disk cache
[  508.912378][ T8711] BTRFS info (device loop1): trying to use backup root at mount time
[  508.912393][ T8711] BTRFS info (device loop1): use zstd compression, level 3
[  509.141831][ T6046] BTRFS info (device loop1): last unmount of filesystem 867a692a-7a04-4593-bc22-02c25fa3c93d
[  509.191925][   T38] INFO: task kworker/u8:10:1441 blocked for more than 143 seconds.
[  509.191965][   T38]       Not tainted syzkaller #0
[  509.191975][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  509.191985][   T38] task:kworker/u8:10   state:D stack:21176 pid:1441  tgid:1441  ppid:2      task_flags:0x4208060 flags:0x00080000
[  509.192204][   T38] Workqueue: writeback wb_workfn (flush-btrfs-7)
[  509.192245][   T38] Call Trace:
[  509.192255][   T38]  <TASK>
[  509.192266][   T38]  __schedule+0x16f9/0x5500
[  509.192320][   T38]  ? __blk_flush_plug+0x416/0x4d0
[  509.192342][   T38]  ? __pfx___schedule+0x10/0x10
[  509.192390][   T38]  ? schedule+0x90/0x360
[  509.192418][   T38]  schedule+0x164/0x360
[  509.192444][   T38]  btrfs_lock_extent_bits+0x59c/0x700
[  509.192479][   T38]  ? __pfx_btrfs_lock_extent_bits+0x10/0x10
[  509.192497][   T38]  ? __pfx_autoremove_wake_function+0x10/0x10
[  509.192525][   T38]  ? wait_subpage_spinlock+0x2c8/0x3a0
[  509.192553][   T38]  btrfs_invalidate_folio+0x440/0xc00
[  509.192589][   T38]  ? __pfx_btrfs_invalidate_folio+0x10/0x10
[  509.192615][   T38]  ? folio_clear_dirty_for_io+0x1d4/0x700
[  509.192633][   T38]  ? folio_clear_dirty_for_io+0x56a/0x700
[  509.192651][   T38]  ? folio_clear_dirty_for_io+0x1d4/0x700
[  509.192668][   T38]  ? folio_invalidate+0x89/0xc0
[  509.192688][   T38]  btrfs_writepages+0x12f3/0x2410
[  509.192739][   T38]  ? __pfx_btrfs_writepages+0x10/0x10
[  509.192812][   T38]  ? __pfx_btrfs_writepages+0x10/0x10
[  509.192835][   T38]  do_writepages+0x32e/0x550
[  509.192855][   T38]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  509.192876][   T38]  ? reacquire_held_locks+0x104/0x190
[  509.192901][   T38]  ? rt_spin_lock+0x1e0/0x400
[  509.192932][   T38]  __writeback_single_inode+0x133/0x10e0
[  509.192954][   T38]  ? rt_spin_unlock+0x160/0x200
[  509.192979][   T38]  writeback_sb_inodes+0x97f/0x1980
[  509.193024][   T38]  ? __pfx_writeback_sb_inodes+0x10/0x10
[  509.193077][   T38]  ? rcu_is_watching+0x15/0xb0
[  509.193110][   T38]  wb_writeback+0x445/0xb00
[  509.193132][   T38]  ? queue_io+0x251/0x440
[  509.193156][   T38]  ? __pfx_wb_writeback+0x10/0x10
[  509.193187][   T38]  wb_workfn+0x3fd/0xf20
[  509.193208][   T38]  ? look_up_lock_class+0x57/0x110
[  509.193242][   T38]  ? __pfx_wb_workfn+0x10/0x10
[  509.193268][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  509.193290][   T38]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  509.193347][   T38]  ? process_one_work+0x8be/0x1630
[  509.193374][   T38]  ? process_one_work+0x8be/0x1630
[  509.193409][   T38]  ? process_one_work+0x8be/0x1630
[  509.193432][   T38]  process_one_work+0x98b/0x1630
[  509.193482][   T38]  ? __pfx_process_one_work+0x10/0x10
[  509.193505][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  509.193538][   T38]  worker_thread+0xb49/0x1140
[  509.193564][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  509.193595][   T38]  kthread+0x388/0x470
[  509.193617][   T38]  ? __pfx_worker_thread+0x10/0x10
[  509.193632][   T38]  ? __pfx_kthread+0x10/0x10
[  509.193654][   T38]  ret_from_fork+0x514/0xb70
[  509.193680][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  509.193701][   T38]  ? __switch_to+0xc79/0x1410
[  509.193723][   T38]  ? __pfx_kthread+0x10/0x10
[  509.193744][   T38]  ret_from_fork_asm+0x1a/0x30
[  509.193783][   T38]  </TASK>
[  509.193867][   T38] INFO: task syz.0.23:6023 blocked for more than 143 seconds.
[  509.193881][   T38]       Not tainted syzkaller #0
[  509.193890][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  509.193899][   T38] task:syz.0.23        state:D stack:22560 pid:6023  tgid:6022  ppid:5791   task_flags:0x400140 flags:0x00080002
[  509.193946][   T38] Call Trace:
[  509.193953][   T38]  <TASK>
[  509.193963][   T38]  __schedule+0x16f9/0x5500
[  509.194008][   T38]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  509.194030][   T38]  ? rt_spin_lock+0x1e0/0x400
[  509.194054][   T38]  ? __pfx___schedule+0x10/0x10
[  509.194088][   T38]  ? schedule+0x90/0x360
[  509.194115][   T38]  schedule+0x164/0x360
[  509.194141][   T38]  wb_wait_for_completion+0x3e8/0x790
[  509.194170][   T38]  ? __pfx_wb_wait_for_completion+0x10/0x10
[  509.194192][   T38]  ? __pfx_autoremove_wake_function+0x10/0x10
[  509.194223][   T38]  __writeback_inodes_sb_nr+0x24c/0x2d0
[  509.194257][   T38]  ? __pfx___writeback_inodes_sb_nr+0x10/0x10
[  509.194279][   T38]  ? try_to_writeback_inodes_sb+0x22/0xc0
[  509.194309][   T38]  ? seqcount_lockdep_reader_access+0xa9/0x100
[  509.194330][   T38]  ? lockdep_hardirqs_on+0x7a/0x110
[  509.194346][   T38]  ? get_nr_dirty_inodes+0x1c4/0x210
[  509.194374][   T38]  try_to_writeback_inodes_sb+0x9a/0xc0
[  509.194399][   T38]  ? btrfs_commit_transaction+0x17f/0x2fc0
[  509.194422][   T38]  btrfs_commit_transaction+0x813/0x2fc0
[  509.194447][   T38]  ? btrfs_commit_transaction+0x17f/0x2fc0
[  509.194568][   T38]  ? __pfx_btrfs_commit_transaction+0x10/0x10
[  509.194594][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  509.194610][   T38]  ? lockdep_hardirqs_on+0x7a/0x110
[  509.194626][   T38]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  509.194643][   T38]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  509.194667][   T38]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  509.194690][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  509.194708][   T38]  ? lockdep_hardirqs_on+0x7a/0x110
[  509.194726][   T38]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  509.194748][   T38]  btrfs_sync_file+0xdf4/0x1230
[  509.194782][   T38]  ? __pfx_btrfs_sync_file+0x10/0x10
[  509.194812][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  509.194833][   T38]  ? reacquire_held_locks+0x104/0x190
[  509.194856][   T38]  ? rt_spin_lock+0x1e0/0x400
[  509.194889][   T38]  ? vfs_fsync_range+0x143/0x150
[  509.194914][   T38]  btrfs_do_write_iter+0x6a9/0x840
[  509.194937][   T38]  ? vfs_write+0x22d/0xba0
[  509.194966][   T38]  ? __pfx_btrfs_do_write_iter+0x10/0x10
[  509.195000][   T38]  vfs_write+0x629/0xba0
[  509.195030][   T38]  ? __pfx_vfs_write+0x10/0x10
[  509.195053][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  509.195071][   T38]  ? lockdep_hardirqs_on+0x7a/0x110
[  509.195090][   T38]  ? mutex_lock_nested+0x152/0x1d0
[  509.195111][   T38]  ? fdget_pos+0x252/0x320
[  509.195138][   T38]  ksys_write+0x156/0x270
[  509.195163][   T38]  ? __pfx_ksys_write+0x10/0x10
[  509.195205][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  509.195225][   T38]  do_syscall_64+0x15f/0x560
[  509.195242][   T38]  ? trace_irq_disable+0x3b/0x140
[  509.195262][   T38]  ? clear_bhb_loop+0x40/0x90
[  509.195284][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  509.195302][   T38] RIP: 0033:0x7f83febece59
[  509.195332][   T38] RSP: 002b:00007f83fe246028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  509.195351][   T38] RAX: ffffffffffffffda RBX: 00007f83fee65fa0 RCX: 00007f83febece59
[  509.195364][   T38] RDX: 000000000000029f RSI: 0000200000000200 RDI: 0000000000000004
[  509.195377][   T38] RBP: 00007f83fec82d6f R08: 0000000000000000 R09: 0000000000000000
[  509.195388][   T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  509.195399][   T38] R13: 00007f83fee66038 R14: 00007f83fee65fa0 R15: 00007ffe0dabfc88
[  509.195429][   T38]  </TASK>
[  509.195437][   T38] INFO: task syz.0.23:6040 blocked for more than 143 seconds.
[  509.195449][   T38]       Not tainted syzkaller #0
[  509.195457][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  509.195465][   T38] task:syz.0.23        state:D stack:22768 pid:6040  tgid:6022  ppid:5791   task_flags:0x400140 flags:0x00080002
[  509.195511][   T38] Call Trace:
[  509.195517][   T38]  <TASK>
[  509.195528][   T38]  __schedule+0x16f9/0x5500
[  509.195574][   T38]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  509.195596][   T38]  ? rt_spin_lock+0x1e0/0x400
[  509.195621][   T38]  ? __pfx___schedule+0x10/0x10
[  509.195655][   T38]  ? schedule+0x90/0x360
[  509.195682][   T38]  schedule+0x164/0x360
[  509.195708][   T38]  wait_current_trans+0x39f/0x590
[  509.195736][   T38]  ? __pfx_wait_current_trans+0x10/0x10
[  509.195756][   T38]  ? btrfs_clone+0x1316/0x2540
[  509.195774][   T38]  ? __pfx_autoremove_wake_function+0x10/0x10
[  509.195809][   T38]  start_transaction+0xbd8/0x1820
[  509.195831][   T38]  ? start_transaction+0x800/0x1820
[  509.195862][   T38]  btrfs_clone+0x1316/0x2540
[  509.195914][   T38]  ? __pfx_btrfs_clone+0x10/0x10
[  509.195930][   T38]  ? btrfs_free_extent_state+0x11b/0x2e0
[  509.195958][   T38]  ? set_extent_bit+0x1385/0x1cc0
[  509.195989][   T38]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  509.196014][   T38]  ? btrfs_lock_extent_bits+0xd4/0x700
[  509.196042][   T38]  ? __pfx_btrfs_lock_extent_bits+0x10/0x10
[  509.196061][   T38]  ? btrfs_lookup_first_ordered_extent+0x47d/0x620
[  509.196089][   T38]  ? btrfs_wait_ordered_range+0x23f/0x260
[  509.196116][   T38]  btrfs_clone_files+0x271/0x3f0
[  509.196141][   T38]  ? __pfx_btrfs_clone_files+0x10/0x10
[  509.196163][   T38]  ? generic_remap_file_range_prep+0x3e/0x60
[  509.196240][   T38]  btrfs_remap_file_range+0x76b/0x1320
[  509.196278][   T38]  ? __pfx_btrfs_remap_file_range+0x10/0x10
[  509.196305][   T38]  ? do_vfs_ioctl+0xe15/0x1540
[  509.196350][   T38]  vfs_clone_file_range+0x435/0x7b0
[  509.196385][   T38]  do_vfs_ioctl+0xe15/0x1540
[  509.196411][   T38]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  509.196437][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  509.196463][   T38]  ? do_futex+0x333/0x420
[  509.196502][   T38]  ? __fget_files+0x2a/0x420
[  509.196522][   T38]  ? __fget_files+0x2a/0x420
[  509.196538][   T38]  ? __fget_files+0x3a6/0x420
[  509.196569][   T38]  ? __fget_files+0x2a/0x420
[  509.196591][   T38]  ? bpf_lsm_file_ioctl+0x9/0x20
[  509.196620][   T38]  __se_sys_ioctl+0x82/0x170
[  509.196641][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  509.196661][   T38]  do_syscall_64+0x15f/0x560
[  509.196677][   T38]  ? trace_irq_disable+0x3b/0x140
[  509.196696][   T38]  ? clear_bhb_loop+0x40/0x90
[  509.196718][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  509.196734][   T38] RIP: 0033:0x7f83febece59
[  509.196750][   T38] RSP: 002b:00007f83fe225028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  509.196778][   T38] RAX: ffffffffffffffda RBX: 00007f83fee66090 RCX: 00007f83febece59
[  509.196790][   T38] RDX: 00002000000000c0 RSI: 000000004020940d RDI: 0000000000000004
[  509.196801][   T38] RBP: 00007f83fec82d6f R08: 0000000000000000 R09: 0000000000000000
[  509.196813][   T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  509.196823][   T38] R13: 00007f83fee66128 R14: 00007f83fee66090 R15: 00007ffe0dabfc88
[  509.196852][   T38]  </TASK>
[  509.196884][   T38] 
[  509.196884][   T38] Showing all locks held in the system:
[  509.196896][   T38] 1 lock held by khungtaskd/38:
[  509.196906][   T38]  #0: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  509.196970][   T38] 2 locks held by kworker/u8:10/1441:
[  509.196980][   T38]  #0: ffff88801eefc138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x897/0x1630
[  509.197029][   T38]  #1: ffffc90006d67c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630
[  509.197090][   T38] 2 locks held by getty/5367:
[  509.197100][   T38]  #0: ffff888032e580a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  509.197146][   T38]  #1: ffffc90003cc62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[  509.197200][   T38] 2 locks held by kworker/u8:4/5735:
[  509.197210][   T38]  #0: ffff88813fe84138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x897/0x1630
[  509.197258][   T38]  #1: ffffc90004e9fc40 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630
[  509.197306][   T38] 6 locks held by syz.0.23/6023:
[  509.197316][   T38]  #0: ffff888037e7b728 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320
[  509.197359][   T38]  #1: ffff888020b96480 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x22d/0xba0
[  509.197407][   T38]  #2: ffff888020b96770 (sb_internal#2){.+.+}-{0:0}, at: btrfs_sync_file+0xcae/0x1230
[  509.197456][   T38]  #3: ffff88805958b110 (btrfs_trans_num_writers){++++}-{0:0}, at: join_transaction+0x612/0xd50
[  509.197502][   T38]  #4: ffff88805958b138 (btrfs_trans_num_extwriters){++++}-{0:0}, at: join_transaction+0x612/0xd50
[  509.197552][   T38]  #5: ffff888020b960d0 (&type->s_umount_key#55){++++}-{4:4}, at: try_to_writeback_inodes_sb+0x22/0xc0
[  509.197605][   T38] 4 locks held by syz.0.23/6040:
[  509.197615][   T38]  #0: ffff888020b96480 (sb_writers#12){.+.+}-{0:0}, at: do_vfs_ioctl+0xe15/0x1540
[  509.197663][   T38]  #1: ffff88805906f6b0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: btrfs_inode_lock+0x51/0xe0
[  509.197712][   T38]  #2: ffff88805906f510 (&ei->i_mmap_lock){+.+.}-{4:4}, at: btrfs_inode_lock+0xcb/0xe0
[  509.197757][   T38]  #3: ffff888020b96770 (sb_internal#2){.+.+}-{0:0}, at: btrfs_clone+0x1316/0x2540
[  509.197801][   T38] 1 lock held by btrfs-transacti/6038:
[  509.197811][   T38]  #0: ffff888059588d98 (&fs_info->transaction_kthread_mutex){+.+.}-{4:4}, at: transaction_kthread+0xe6/0x450
[  509.197855][   T38] 1 lock held by udevd/6084:
[  509.197865][   T38]  #0: ffff88803d2aba30 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x237/0x4f0
[  509.197907][   T38] 
[  509.197912][   T38] =============================================
[  509.197912][   T38] 
[  509.197930][   T38] NMI backtrace for cpu 0
[  509.197950][   T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  509.197969][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  509.197979][   T38] Call Trace:
[  509.197986][   T38]  <TASK>
[  509.197992][   T38]  dump_stack_lvl+0xe8/0x150
[  509.198042][   T38]  nmi_cpu_backtrace+0x274/0x2d0
[  509.198065][   T38]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  509.198089][   T38]  nmi_trigger_cpumask_backtrace+0x17a/0x380
[  509.198114][   T38]  sys_info+0x135/0x170
[  509.198133][   T38]  watchdog+0xfd3/0x1030
[  509.198159][   T38]  ? watchdog+0x1c9/0x1030
[  509.198182][   T38]  kthread+0x388/0x470
[  509.198212][   T38]  ? __pfx_watchdog+0x10/0x10
[  509.198229][   T38]  ? __pfx_kthread+0x10/0x10
[  509.198250][   T38]  ret_from_fork+0x514/0xb70
[  509.198274][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  509.198294][   T38]  ? __switch_to+0xc79/0x1410
[  509.198315][   T38]  ? __pfx_kthread+0x10/0x10
[  509.198335][   T38]  ret_from_fork_asm+0x1a/0x30
[  509.198371][   T38]  </TASK>
[  509.198378][   T38] Sending NMI from CPU 0 to CPUs 1:
[  509.198406][    C1] NMI backtrace for cpu 1
[  509.198420][    C1] CPU: 1 UID: 0 PID: 6084 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  509.198445][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  509.198453][    C1] RIP: 0010:__lock_acquire+0x19/0x2d10
[  509.198476][    C1] Code: cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 56 41 55 41 54 53 48 81 ec e8 00 00 00 65 48 8b 05 f7 5b d2 10 <48> 89 84 24 e0 00 00 00 65 48 8b 05 cf 5b d2 10 48 89 44 24 08 31
[  509.198489][    C1] RSP: 0018:ffffc90004f6e9b8 EFLAGS: 00000096
[  509.198502][    C1] RAX: 7bf29eef6b12dd00 RBX: 0000000000000000 RCX: 0000000000000000
[  509.198513][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff99ac9418
[  509.198523][    C1] RBP: ffffffff84b8ea04 R08: 0000000000000001 R09: 0000000000000001
[  509.198533][    C1] R10: dffffc0000000000 R11: fffffbfff1f17d7f R12: 0000000000000000
[  509.198544][    C1] R13: ffffffff99ac9418 R14: 0000000000000001 R15: 0000000000000046
[  509.198555][    C1] FS:  00007f1ead091880(0000) GS:ffff888125fec000(0000) knlGS:0000000000000000
[  509.198568][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  509.198579][    C1] CR2: 00007f1eac727000 CR3: 00000000290e4000 CR4: 00000000003526f0
[  509.198593][    C1] Call Trace:
[  509.198599][    C1]  <TASK>
[  509.198608][    C1]  ? unwind_next_frame+0xa6/0x2550
[  509.198631][    C1]  ? unwind_next_frame+0xa6/0x2550
[  509.198652][    C1]  ? debug_object_active_state+0xa4/0x260
[  509.198672][    C1]  lock_acquire+0x106/0x350
[  509.198690][    C1]  ? debug_object_active_state+0xa4/0x260
[  509.198713][    C1]  ? rcu_is_watching+0x15/0xb0
[  509.198734][    C1]  _raw_spin_lock_irqsave+0x40/0x60
[  509.198748][    C1]  ? debug_object_active_state+0xa4/0x260
[  509.198768][    C1]  debug_object_active_state+0xa4/0x260
[  509.198791][    C1]  kvfree_call_rcu+0x5a/0x3c0
[  509.198810][    C1]  mas_wr_store_entry+0x52fe/0x7fc0
[  509.198828][    C1]  ? stack_trace_save+0x79/0x100
[  509.198852][    C1]  ? __pfx_mas_wr_store_entry+0x10/0x10
[  509.198866][    C1]  ? __update_page_owner_handle+0x5a/0x570
[  509.198884][    C1]  ? __update_page_owner_handle+0x51a/0x570
[  509.198907][    C1]  ? __lock_acquire+0x6b5/0x2d10
[  509.198927][    C1]  ? __lock_acquire+0x6b5/0x2d10
[  509.198945][    C1]  ? __lock_acquire+0x6b5/0x2d10
[  509.198966][    C1]  ? unwind_next_frame+0xa6/0x2550
[  509.198987][    C1]  ? unwind_next_frame+0xa6/0x2550
[  509.199008][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  509.199031][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  509.199051][    C1]  ? is_bpf_text_address+0x292/0x2b0
[  509.199068][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  509.199087][    C1]  ? kernel_text_address+0xa5/0xe0
[  509.199106][    C1]  ? __kernel_text_address+0xd/0x30
[  509.199124][    C1]  ? unwind_get_return_address+0x4d/0x90
[  509.199143][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  509.199160][    C1]  ? arch_stack_walk+0xfb/0x150
[  509.199185][    C1]  ? stack_trace_save+0xa9/0x100
[  509.199200][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  509.199216][    C1]  ? __lock_acquire+0x6b5/0x2d10
[  509.199234][    C1]  ? stack_depot_save_flags+0x33/0x810
[  509.199252][    C1]  ? reacquire_held_locks+0x61/0x190
[  509.199273][    C1]  ? kasan_save_track+0x4f/0x80
[  509.199289][    C1]  ? kasan_save_track+0x3e/0x80
[  509.199303][    C1]  ? __kasan_slab_alloc+0x6c/0x80
[  509.199319][    C1]  ? kmem_cache_alloc_noprof+0x33b/0x680
[  509.199335][    C1]  ? mas_alloc_nodes+0x291/0x350
[  509.199348][    C1]  ? mas_preallocate+0x2d6/0x640
[  509.199362][    C1]  ? commit_merge+0x21a/0x660
[  509.199379][    C1]  ? vma_modify+0x162c/0x1f20
[  509.199397][    C1]  ? vma_modify_flags+0x24b/0x330
[  509.199415][    C1]  ? mprotect_fixup+0x62a/0xb60
[  509.199434][    C1]  ? do_mprotect_pkey+0x8d5/0xd20
[  509.199458][    C1]  ? __x64_sys_mprotect+0x80/0x90
[  509.199476][    C1]  ? do_syscall_64+0x15f/0x560
[  509.199490][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  509.199525][    C1]  ? mas_wr_walk_descend+0x574/0x8c0
[  509.199542][    C1]  ? trace_ma_write+0x87/0x1f0
[  509.199556][    C1]  mas_store_prealloc+0x69c/0xa20
[  509.199573][    C1]  ? __pfx_mas_store_prealloc+0x10/0x10
[  509.199593][    C1]  ? vma_prepare+0x485/0x4c0
[  509.199612][    C1]  commit_merge+0x564/0x660
[  509.199633][    C1]  ? __pfx_commit_merge+0x10/0x10
[  509.199654][    C1]  ? vma_modify+0xf75/0x1f20
[  509.199674][    C1]  ? __vma_start_write+0x1b4/0x290
[  509.199694][    C1]  vma_modify+0x162c/0x1f20
[  509.199719][    C1]  vma_modify_flags+0x24b/0x330
[  509.199739][    C1]  ? __pfx_vma_modify_flags+0x10/0x10
[  509.199766][    C1]  ? mprotect_fixup+0xfb/0xb60
[  509.199786][    C1]  mprotect_fixup+0x62a/0xb60
[  509.199807][    C1]  ? __pfx_mprotect_fixup+0x10/0x10
[  509.199833][    C1]  ? apparmor_file_mprotect+0x1d0/0x400
[  509.199852][    C1]  ? security_file_mprotect+0x1a/0x290
[  509.199874][    C1]  do_mprotect_pkey+0x8d5/0xd20
[  509.199898][    C1]  ? __pfx_do_mprotect_pkey+0x10/0x10
[  509.199928][    C1]  ? ksys_read+0x202/0x270
[  509.199946][    C1]  ? __pfx_ksys_read+0x10/0x10
[  509.199965][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  509.199986][    C1]  __x64_sys_mprotect+0x80/0x90
[  509.200005][    C1]  do_syscall_64+0x15f/0x560
[  509.200019][    C1]  ? trace_irq_disable+0x3b/0x140
[  509.200036][    C1]  ? clear_bhb_loop+0x40/0x90
[  509.200052][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  509.200068][    C1] RIP: 0033:0x7f1ead1f5fe7
[  509.200080][    C1] Code: ef e8 3d fa ff ff 84 c0 75 b9 31 db 48 83 c4 08 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 2d 0d 00 f7 d8 64 89 01 48
[  509.200093][    C1] RSP: 002b:00007fff52ae8578 EFLAGS: 00000246 ORIG_RAX: 000000000000000a
[  509.200108][    C1] RAX: ffffffffffffffda RBX: 0000000000000200 RCX: 00007f1ead1f5fe7
[  509.200119][    C1] RDX: 0000000000000001 RSI: 0000000000000200 RDI: 00007f1eac727000
[  509.200129][    C1] RBP: 0000557b07279050 R08: 0000000000000000 R09: 0000000000000200
[  509.200139][    C1] R10: 0000557b072790b0 R11: 0000000000000246 R12: 0000000000000000
[  509.200149][    C1] R13: 0000000000080000 R14: 0000557b07278e28 R15: 00007f1ead8d539c
[  509.200166][    C1]  </TASK>
[  509.200409][   T38] Kernel panic - not syncing: hung_task: blocked tasks
[  509.200427][   T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  509.200446][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  509.200456][   T38] Call Trace:
[  509.200464][   T38]  <TASK>
[  509.200471][   T38]  vpanic+0x56c/0xa60
[  509.200497][   T38]  ? __pfx_vpanic+0x10/0x10
[  509.200528][   T38]  panic+0xc5/0xd0
[  509.200550][   T38]  ? __pfx_panic+0x10/0x10
[  509.200570][   T38]  ? __x2apic_send_IPI_mask+0x158/0x190
[  509.200592][   T38]  ? wq_watchdog_touch+0xf9/0x160
[  509.200619][   T38]  ? nmi_trigger_cpumask_backtrace+0x247/0x380
[  509.200649][   T38]  watchdog+0x102c/0x1030
[  509.200670][   T38]  ? watchdog+0x1c9/0x1030
[  509.200690][   T38]  kthread+0x388/0x470
[  509.200708][   T38]  ? __pfx_watchdog+0x10/0x10
[  509.200722][   T38]  ? __pfx_kthread+0x10/0x10
[  509.200740][   T38]  ret_from_fork+0x514/0xb70
[  509.200763][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  509.200783][   T38]  ? __switch_to+0xc79/0x1410
[  509.200805][   T38]  ? __pfx_kthread+0x10/0x10
[  509.200826][   T38]  ret_from_fork_asm+0x1a/0x30
[  509.200864][   T38]  </TASK>
[  509.201269][   T38] Kernel Offset: disabled