[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. syzkaller login: [ 64.782203][ T8470] IPVS: ftp: loaded support on port[0] = 21 [ 64.782211][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 64.789701][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 64.802726][ T8472] IPVS: ftp: loaded support on port[0] = 21 [ 64.806066][ T8476] IPVS: ftp: loaded support on port[0] = 21 [ 64.811356][ T8475] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 65.039443][ T8589] BTRFS: device fsid 7ddc34fc-b256-496a-8775-194356e1b78b devid 0 transid 5 /dev/loop0 scanned by syz-executor473 (8589) executing program executing program [ 65.099320][ T8596] BTRFS warning (device ): duplicate device /dev/loop5 devid 0 generation 5 scanned by syz-executor473 (8596) executing program executing program executing program [ 65.365134][ T8629] BTRFS: device fsid 7ddc34fc-b256-496a-8775-194356e1b78b devid 1 transid 5 /dev/loop4 scanned by syz-executor473 (8629) [ 65.409908][ T8629] BTRFS info (device loop4): disk space caching is enabled [ 65.426155][ T8623] BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 5 scanned by syz-executor473 (8623) [ 65.454645][ T8629] BTRFS info (device loop4): has skinny extents executing program [ 65.532324][ T21] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 65.541472][ T8629] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program executing program [ 65.686461][ T8629] BTRFS error (device loop4): open_ctree failed [ 65.699653][ T8635] BTRFS info (device loop4): disk space caching is enabled [ 65.717920][ T8635] BTRFS info (device loop4): has skinny extents executing program executing program [ 65.848104][ T21] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 65.857205][ T8635] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 65.908857][ T8635] BTRFS error (device loop4): open_ctree failed [ 65.920446][ T8636] BTRFS info (device loop4): disk space caching is enabled [ 65.931446][ T8636] BTRFS info (device loop4): has skinny extents executing program executing program [ 66.016201][ T8636] BTRFS error (device loop4): open_ctree failed [ 66.026865][ T8638] BTRFS info (device loop4): disk space caching is enabled [ 66.045702][ T8638] BTRFS info (device loop4): has skinny extents executing program executing program [ 66.111247][ T8638] BTRFS error (device loop4): open_ctree failed [ 66.121743][ T8674] BTRFS info (device loop4): disk space caching is enabled [ 66.130901][ T8674] BTRFS info (device loop4): has skinny extents [ 66.170930][ T8427] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 66.180432][ T8674] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program executing program [ 66.235808][ T8674] BTRFS error (device loop4): open_ctree failed [ 66.246983][ T8618] BTRFS info (device loop4): disk space caching is enabled [ 66.257633][ T8618] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 66.331273][ T8618] BTRFS error (device loop4): open_ctree failed [ 66.355383][ T8649] BTRFS info (device loop4): disk space caching is enabled [ 66.365339][ T8649] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 66.439786][ T8649] BTRFS error (device loop4): open_ctree failed [ 66.465004][ T8648] BTRFS info (device loop4): disk space caching is enabled [ 66.480669][ T8648] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 66.537223][ T8648] BTRFS error (device loop4): open_ctree failed [ 66.568429][ T8690] BTRFS info (device loop4): disk space caching is enabled [ 66.586024][ T8690] BTRFS info (device loop4): has skinny extents executing program executing program [ 66.654827][ T8690] BTRFS error (device loop4): open_ctree failed [ 66.665776][ T8647] BTRFS info (device loop4): disk space caching is enabled [ 66.673003][ T8647] BTRFS info (device loop4): has skinny extents [ 66.744076][ T8647] BTRFS error (device loop4): open_ctree failed [ 66.761701][ T8834] BTRFS info (device loop4): disk space caching is enabled executing program executing program [ 66.786647][ T8834] BTRFS info (device loop4): has skinny extents executing program [ 66.885766][ T8834] BTRFS error (device loop4): open_ctree failed [ 66.894990][ T8899] BTRFS info (device loop4): disk space caching is enabled [ 66.918899][ T8899] BTRFS info (device loop4): has skinny extents executing program [ 67.015805][ T8427] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 67.033878][ T8899] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 67.078531][ T8899] BTRFS error (device loop4): open_ctree failed [ 67.135114][ T8864] BTRFS info (device loop4): disk space caching is enabled executing program [ 67.179978][ T8864] BTRFS info (device loop4): has skinny extents executing program [ 67.264466][ T8864] BTRFS error (device loop4): open_ctree failed [ 67.278680][ T8858] BTRFS info (device loop4): disk space caching is enabled [ 67.291856][ T8858] BTRFS info (device loop4): has skinny extents [ 67.363314][ T8858] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program [ 67.406479][ T8894] BTRFS info (device loop4): disk space caching is enabled [ 67.429591][ T8894] BTRFS info (device loop4): has skinny extents executing program [ 67.516814][ T8894] BTRFS error (device loop4): open_ctree failed [ 67.556746][ T9068] BTRFS info (device loop4): disk space caching is enabled executing program executing program executing program [ 67.568825][ T9068] BTRFS info (device loop4): has skinny extents executing program [ 67.659563][ T8427] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 67.670240][ T9068] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 67.719793][ T9068] BTRFS error (device loop4): open_ctree failed [ 67.749812][ T9070] BTRFS info (device loop4): disk space caching is enabled [ 67.758703][ T9070] BTRFS info (device loop4): has skinny extents executing program [ 67.810289][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 67.819600][ T9070] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 67.880627][ T9165] BTRFS warning (device loop4): duplicate device /dev/loop3 devid 1 generation 5 scanned by syz-executor473 (9165) [ 67.926100][ T9070] BTRFS error (device loop4): open_ctree failed [ 67.936017][ T9108] BTRFS info (device loop4): disk space caching is enabled [ 67.943256][ T9108] BTRFS info (device loop4): has skinny extents [ 68.029758][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 68.039004][ T9108] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program executing program [ 68.100933][ T9108] BTRFS error (device loop4): open_ctree failed [ 68.111780][ T9072] BTRFS info (device loop4): disk space caching is enabled [ 68.123730][ T9072] BTRFS info (device loop4): has skinny extents executing program executing program [ 68.174721][ T9072] BTRFS error (device loop4): open_ctree failed [ 68.201111][ T9097] BTRFS info (device loop4): disk space caching is enabled [ 68.208775][ T9097] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 68.258863][ T9097] BTRFS error (device loop4): open_ctree failed [ 68.276485][ T9100] BTRFS info (device loop4): disk space caching is enabled [ 68.291957][ T9100] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 68.364987][ T9100] BTRFS error (device loop4): open_ctree failed [ 68.382007][ T9071] BTRFS info (device loop4): disk space caching is enabled [ 68.401503][ T9071] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 68.470145][ T9071] BTRFS error (device loop4): open_ctree failed [ 68.483977][ T9068] BTRFS info (device loop4): disk space caching is enabled [ 68.492371][ T9068] BTRFS info (device loop4): has skinny extents executing program executing program [ 68.557010][ T9068] BTRFS error (device loop4): open_ctree failed [ 68.569218][ T9135] BTRFS info (device loop4): disk space caching is enabled [ 68.586518][ T9135] BTRFS info (device loop4): has skinny extents executing program [ 68.655666][ T9135] BTRFS error (device loop4): open_ctree failed executing program executing program [ 68.698482][ T9254] BTRFS info (device loop4): disk space caching is enabled [ 68.709684][ T9254] BTRFS info (device loop4): has skinny extents [ 68.784898][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 68.794826][ T9254] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 68.836937][ T9254] BTRFS error (device loop4): open_ctree failed [ 68.875018][ T9286] BTRFS info (device loop4): disk space caching is enabled [ 68.884413][ T9286] BTRFS info (device loop4): has skinny extents executing program [ 68.919092][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 68.956010][ T9286] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 69.025660][ T9286] BTRFS error (device loop4): open_ctree failed [ 69.038912][ T9315] BTRFS info (device loop4): disk space caching is enabled [ 69.050436][ T9315] BTRFS info (device loop4): has skinny extents executing program [ 69.077992][ T9315] BTRFS error (device loop4): open_ctree failed [ 69.112526][ T9342] BTRFS info (device loop4): disk space caching is enabled [ 69.123184][ T9342] BTRFS info (device loop4): has skinny extents executing program [ 69.173614][ T9342] BTRFS error (device loop4): open_ctree failed [ 69.201426][ T9281] BTRFS info (device loop4): disk space caching is enabled [ 69.213584][ T9281] BTRFS info (device loop4): has skinny extents executing program executing program [ 69.268782][ T9281] BTRFS error (device loop4): open_ctree failed [ 69.279283][ T9371] BTRFS info (device loop4): disk space caching is enabled [ 69.292878][ T9371] BTRFS info (device loop4): has skinny extents executing program executing program [ 69.352021][ T9371] BTRFS error (device loop4): open_ctree failed [ 69.366143][ T9319] BTRFS info (device loop4): disk space caching is enabled [ 69.376966][ T9319] BTRFS info (device loop4): has skinny extents executing program [ 69.436164][ T9319] BTRFS error (device loop4): open_ctree failed [ 69.445428][ T9340] BTRFS info (device loop4): disk space caching is enabled [ 69.452640][ T9340] BTRFS info (device loop4): has skinny extents executing program [ 69.515288][ T9340] BTRFS error (device loop4): open_ctree failed [ 69.540667][ T9396] BTRFS info (device loop4): disk space caching is enabled [ 69.549058][ T9396] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 69.620522][ T9396] BTRFS error (device loop4): open_ctree failed [ 69.646522][ T9368] BTRFS info (device loop4): disk space caching is enabled executing program [ 69.665256][ T9368] BTRFS info (device loop4): has skinny extents executing program [ 69.743228][ T9368] BTRFS error (device loop4): open_ctree failed [ 69.766264][ T9506] BTRFS info (device loop4): disk space caching is enabled [ 69.784847][ T9506] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 69.834404][ T9506] BTRFS error (device loop4): open_ctree failed [ 69.864560][ T9554] BTRFS info (device loop4): disk space caching is enabled [ 69.874189][ T9554] BTRFS info (device loop4): has skinny extents [ 69.939876][ T8427] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 69.948820][ T9554] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 70.026119][ T9554] BTRFS error (device loop4): open_ctree failed [ 70.065741][ T9531] BTRFS info (device loop4): disk space caching is enabled executing program [ 70.080843][ T9531] BTRFS info (device loop4): has skinny extents executing program executing program [ 70.137950][ T9531] BTRFS error (device loop4): open_ctree failed [ 70.154001][ T9592] BTRFS info (device loop4): disk space caching is enabled [ 70.161235][ T9592] BTRFS info (device loop4): has skinny extents executing program [ 70.251091][ T9592] BTRFS error (device loop4): open_ctree failed [ 70.265603][ T9607] BTRFS info (device loop4): disk space caching is enabled [ 70.278044][ T9607] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 70.339609][ T9607] BTRFS error (device loop4): open_ctree failed [ 70.355902][ T9586] BTRFS info (device loop4): disk space caching is enabled [ 70.365785][ T9586] BTRFS info (device loop4): has skinny extents executing program executing program [ 70.464954][ T9586] BTRFS error (device loop4): open_ctree failed [ 70.482043][ T9651] BTRFS info (device loop4): disk space caching is enabled [ 70.503853][ T9651] BTRFS info (device loop4): has skinny extents executing program executing program [ 70.586622][ T9651] BTRFS error (device loop4): open_ctree failed [ 70.600152][ T9670] BTRFS info (device loop4): disk space caching is enabled [ 70.616632][ T9670] BTRFS info (device loop4): has skinny extents executing program executing program [ 70.672640][ T9670] BTRFS error (device loop4): open_ctree failed [ 70.698298][ T9727] BTRFS info (device loop4): disk space caching is enabled [ 70.714388][ T9727] BTRFS info (device loop4): has skinny extents [ 70.747369][ T9727] BTRFS error (device loop4): open_ctree failed [ 70.785526][ T9766] BTRFS info (device loop4): disk space caching is enabled executing program [ 70.805479][ T9766] BTRFS info (device loop4): has skinny extents [ 70.874184][ T76] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 70.882805][ T9766] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 70.952875][ T9766] BTRFS error (device loop4): open_ctree failed [ 70.962286][ T9744] BTRFS info (device loop4): disk space caching is enabled [ 70.970603][ T9744] BTRFS info (device loop4): has skinny extents executing program [ 71.016304][ T9744] BTRFS error (device loop4): open_ctree failed [ 71.025186][ T9789] BTRFS info (device loop4): disk space caching is enabled [ 71.032400][ T9789] BTRFS info (device loop4): has skinny extents executing program [ 71.089836][ T9789] BTRFS error (device loop4): open_ctree failed [ 71.098967][ T9793] BTRFS info (device loop4): disk space caching is enabled [ 71.106712][ T9793] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 71.181847][ T9793] BTRFS error (device loop4): open_ctree failed [ 71.192943][ T9785] BTRFS info (device loop4): disk space caching is enabled [ 71.203620][ T9785] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 71.256119][ T9785] BTRFS error (device loop4): open_ctree failed [ 71.267442][ T9817] BTRFS info (device loop4): disk space caching is enabled [ 71.281720][ T9817] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 71.344282][ T9817] BTRFS error (device loop4): open_ctree failed [ 71.358634][ T9851] BTRFS info (device loop4): disk space caching is enabled [ 71.378544][ T9851] BTRFS info (device loop4): has skinny extents executing program executing program [ 71.447135][ T9851] BTRFS error (device loop4): open_ctree failed [ 71.456140][ T9819] BTRFS info (device loop4): disk space caching is enabled [ 71.469748][ T9819] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 71.538664][ T9819] BTRFS error (device loop4): open_ctree failed [ 71.556307][ T9891] BTRFS info (device loop4): disk space caching is enabled [ 71.574416][ T9891] BTRFS info (device loop4): has skinny extents executing program [ 71.645959][ T9891] BTRFS error (device loop4): open_ctree failed [ 71.660925][ T9947] BTRFS info (device loop4): disk space caching is enabled [ 71.671035][ T9947] BTRFS info (device loop4): has skinny extents executing program [ 71.725021][ T9947] BTRFS error (device loop4): open_ctree failed [ 71.738460][ T9996] BTRFS info (device loop4): disk space caching is enabled [ 71.750966][ T9996] BTRFS info (device loop4): has skinny extents executing program executing program [ 71.806075][ T9996] BTRFS error (device loop4): open_ctree failed [ 71.820385][T10023] BTRFS info (device loop4): disk space caching is enabled [ 71.835970][T10023] BTRFS info (device loop4): has skinny extents [ 71.907937][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 71.916771][T10023] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 72.008001][T10023] BTRFS error (device loop4): open_ctree failed [ 72.020113][ T9980] BTRFS info (device loop4): disk space caching is enabled [ 72.034040][ T9980] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 72.119841][ T9980] BTRFS error (device loop4): open_ctree failed [ 72.146894][T10025] BTRFS info (device loop4): disk space caching is enabled [ 72.158379][T10025] BTRFS info (device loop4): has skinny extents executing program executing program [ 72.208194][T10025] BTRFS error (device loop4): open_ctree failed [ 72.221077][T10082] BTRFS info (device loop4): disk space caching is enabled [ 72.236727][T10082] BTRFS info (device loop4): has skinny extents executing program [ 72.308082][T10082] BTRFS error (device loop4): open_ctree failed [ 72.323882][T10053] BTRFS info (device loop4): disk space caching is enabled [ 72.342980][T10053] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 72.404593][T10053] BTRFS error (device loop4): open_ctree failed [ 72.415623][T10118] BTRFS info (device loop4): disk space caching is enabled [ 72.422838][T10118] BTRFS info (device loop4): has skinny extents executing program [ 72.545468][T10118] BTRFS error (device loop4): open_ctree failed executing program executing program [ 72.586754][T10108] BTRFS info (device loop4): disk space caching is enabled [ 72.604282][T10108] BTRFS info (device loop4): has skinny extents executing program executing program [ 72.660113][T10108] BTRFS error (device loop4): open_ctree failed [ 72.671160][T10216] BTRFS info (device loop4): disk space caching is enabled [ 72.693598][T10216] BTRFS info (device loop4): has skinny extents executing program executing program [ 72.755566][T10216] BTRFS error (device loop4): open_ctree failed [ 72.766381][T10234] BTRFS info (device loop4): disk space caching is enabled [ 72.779773][T10234] BTRFS info (device loop4): has skinny extents executing program executing program [ 72.844217][T10234] BTRFS error (device loop4): open_ctree failed [ 72.857097][T10292] BTRFS info (device loop4): disk space caching is enabled [ 72.877831][T10292] BTRFS info (device loop4): has skinny extents executing program [ 72.970701][ T76] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 72.981656][T10292] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 73.072696][T10292] BTRFS error (device loop4): open_ctree failed [ 73.084798][T10318] BTRFS info (device loop4): disk space caching is enabled [ 73.092775][T10318] BTRFS info (device loop4): has skinny extents [ 73.147161][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 73.159439][T10318] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 73.225387][T10318] BTRFS error (device loop4): open_ctree failed [ 73.238291][T10310] BTRFS info (device loop4): disk space caching is enabled [ 73.247377][T10310] BTRFS info (device loop4): has skinny extents executing program executing program [ 73.320659][T10310] BTRFS error (device loop4): open_ctree failed [ 73.329466][T10356] BTRFS info (device loop4): disk space caching is enabled [ 73.337289][T10356] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 73.416868][T10356] BTRFS error (device loop4): open_ctree failed [ 73.435675][T10377] BTRFS info (device loop4): disk space caching is enabled [ 73.442883][T10377] BTRFS info (device loop4): has skinny extents [ 73.518260][T10377] BTRFS error (device loop4): open_ctree failed executing program [ 73.578291][T10395] BTRFS info (device loop4): disk space caching is enabled [ 73.612402][T10395] BTRFS info (device loop4): has skinny extents executing program [ 73.724032][T10395] BTRFS error (device loop4): open_ctree failed [ 73.734277][T10346] BTRFS info (device loop4): disk space caching is enabled [ 73.741791][T10346] BTRFS info (device loop4): has skinny extents executing program executing program [ 73.808487][T10346] BTRFS error (device loop4): open_ctree failed [ 73.819083][T10390] BTRFS info (device loop4): disk space caching is enabled [ 73.829572][T10390] BTRFS info (device loop4): has skinny extents executing program executing program [ 73.931022][T10390] BTRFS error (device loop4): open_ctree failed [ 73.959385][T10405] BTRFS info (device loop4): disk space caching is enabled executing program [ 73.988615][T10405] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 74.052330][T10405] BTRFS error (device loop4): open_ctree failed [ 74.070038][T10423] BTRFS info (device loop4): disk space caching is enabled [ 74.085685][T10423] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 74.157996][T10423] BTRFS error (device loop4): open_ctree failed [ 74.176175][T10490] BTRFS info (device loop4): disk space caching is enabled [ 74.187949][T10490] BTRFS info (device loop4): has skinny extents executing program [ 74.243233][T10490] BTRFS error (device loop4): open_ctree failed [ 74.251479][T10516] BTRFS info (device loop4): disk space caching is enabled [ 74.259823][T10516] BTRFS info (device loop4): has skinny extents executing program [ 74.336694][T10516] BTRFS error (device loop4): open_ctree failed [ 74.357632][T10597] BTRFS info (device loop4): disk space caching is enabled [ 74.375812][T10597] BTRFS info (device loop4): has skinny extents executing program [ 74.444336][T10597] BTRFS error (device loop4): open_ctree failed [ 74.456989][T10643] BTRFS info (device loop4): disk space caching is enabled [ 74.464728][T10643] BTRFS info (device loop4): has skinny extents [ 74.483793][ T76] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 74.492933][T10643] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 74.575122][T10643] BTRFS error (device loop4): open_ctree failed [ 74.598678][T10611] BTRFS info (device loop4): disk space caching is enabled [ 74.607259][T10611] BTRFS info (device loop4): has skinny extents executing program executing program executing program executing program [ 74.665336][T10611] BTRFS error (device loop4): open_ctree failed [ 74.681177][T10674] BTRFS info (device loop4): disk space caching is enabled [ 74.694961][T10674] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 74.776420][T10674] BTRFS error (device loop4): open_ctree failed [ 74.789070][T10727] BTRFS info (device loop4): disk space caching is enabled [ 74.803583][T10727] BTRFS info (device loop4): has skinny extents executing program [ 74.928252][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 74.937139][T10727] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 74.975282][T10727] BTRFS error (device loop4): open_ctree failed [ 74.985130][T10708] BTRFS info (device loop4): disk space caching is enabled [ 74.992924][T10708] BTRFS info (device loop4): has skinny extents executing program executing program [ 75.032872][T10708] BTRFS error (device loop4): open_ctree failed [ 75.045743][T10669] BTRFS info (device loop4): disk space caching is enabled [ 75.054010][T10669] BTRFS info (device loop4): has skinny extents executing program [ 75.133094][T10669] BTRFS error (device loop4): open_ctree failed [ 75.159620][T10799] BTRFS info (device loop4): disk space caching is enabled [ 75.172612][T10799] BTRFS info (device loop4): has skinny extents executing program [ 75.191118][ T164] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 75.220166][T10799] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 75.268951][T10799] BTRFS error (device loop4): open_ctree failed [ 75.285938][T10761] BTRFS info (device loop4): disk space caching is enabled [ 75.294453][T10761] BTRFS info (device loop4): has skinny extents executing program executing program [ 75.353753][T10761] BTRFS error (device loop4): open_ctree failed [ 75.367736][T10804] BTRFS info (device loop4): disk space caching is enabled [ 75.376664][T10804] BTRFS info (device loop4): has skinny extents executing program [ 75.423962][T10804] BTRFS error (device loop4): open_ctree failed [ 75.446243][T10827] BTRFS info (device loop4): disk space caching is enabled [ 75.458700][T10827] BTRFS info (device loop4): has skinny extents executing program executing program [ 75.535029][T10827] BTRFS error (device loop4): open_ctree failed [ 75.544519][T10898] BTRFS info (device loop4): disk space caching is enabled [ 75.552515][T10898] BTRFS info (device loop4): has skinny extents executing program [ 75.609782][ T76] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 75.637937][T10898] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 75.697632][T10898] BTRFS error (device loop4): open_ctree failed [ 75.730933][T10933] BTRFS info (device loop4): disk space caching is enabled executing program [ 75.742601][T10933] BTRFS info (device loop4): has skinny extents [ 75.809172][T10933] BTRFS error (device loop4): open_ctree failed [ 75.829139][T10931] BTRFS info (device loop4): disk space caching is enabled [ 75.843313][T10931] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 75.923519][T10931] BTRFS error (device loop4): open_ctree failed [ 75.935358][T10833] BTRFS info (device loop4): disk space caching is enabled [ 75.942669][T10833] BTRFS info (device loop4): has skinny extents executing program executing program [ 76.015480][T10833] BTRFS error (device loop4): open_ctree failed [ 76.029811][T10982] BTRFS info (device loop4): disk space caching is enabled [ 76.048861][T10982] BTRFS info (device loop4): has skinny extents [ 76.091542][T10982] BTRFS error (device loop4): open_ctree failed executing program [ 76.168729][T10944] BTRFS info (device loop4): disk space caching is enabled [ 76.203258][T10944] BTRFS info (device loop4): has skinny extents executing program executing program [ 76.248907][T10944] BTRFS error (device loop4): open_ctree failed [ 76.258952][T11017] BTRFS info (device loop4): disk space caching is enabled [ 76.272443][T11017] BTRFS info (device loop4): has skinny extents executing program [ 76.325229][T11017] BTRFS error (device loop4): open_ctree failed [ 76.345152][T11004] BTRFS info (device loop4): disk space caching is enabled executing program [ 76.376227][T11004] BTRFS info (device loop4): has skinny extents executing program executing program [ 76.450767][T11004] BTRFS error (device loop4): open_ctree failed [ 76.463395][T11038] BTRFS info (device loop4): disk space caching is enabled [ 76.470679][T11038] BTRFS info (device loop4): has skinny extents executing program [ 76.516919][T11038] BTRFS error (device loop4): open_ctree failed [ 76.541984][T11123] BTRFS info (device loop4): disk space caching is enabled executing program executing program [ 76.566884][T11123] BTRFS info (device loop4): has skinny extents executing program [ 76.637672][ T76] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 76.648030][T11123] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 76.699377][T11123] BTRFS error (device loop4): open_ctree failed [ 76.717311][T11140] BTRFS info (device loop4): disk space caching is enabled [ 76.733363][T11140] BTRFS info (device loop4): has skinny extents [ 76.794833][T11140] BTRFS error (device loop4): open_ctree failed [ 76.807754][T11111] BTRFS info (device loop4): disk space caching is enabled [ 76.822695][T11111] BTRFS info (device loop4): has skinny extents executing program [ 76.873922][T11111] BTRFS error (device loop4): open_ctree failed [ 76.882392][T11228] BTRFS info (device loop4): disk space caching is enabled [ 76.890256][T11228] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 76.978782][ T76] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 76.990098][T11228] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program [ 77.046950][T11228] BTRFS error (device loop4): open_ctree failed [ 77.064294][T11144] BTRFS info (device loop4): disk space caching is enabled [ 77.072816][T11144] BTRFS info (device loop4): has skinny extents executing program executing program [ 77.123446][T11144] BTRFS error (device loop4): open_ctree failed [ 77.131563][T11247] BTRFS info (device loop4): disk space caching is enabled [ 77.139675][T11247] BTRFS info (device loop4): has skinny extents executing program [ 77.200428][T11247] BTRFS error (device loop4): open_ctree failed [ 77.226135][T11197] BTRFS info (device loop4): disk space caching is enabled [ 77.236527][T11197] BTRFS info (device loop4): has skinny extents executing program [ 77.281220][T11197] BTRFS error (device loop4): open_ctree failed [ 77.314196][T11171] BTRFS info (device loop4): disk space caching is enabled executing program [ 77.325907][T11171] BTRFS info (device loop4): has skinny extents executing program executing program [ 77.384147][T11171] BTRFS error (device loop4): open_ctree failed [ 77.399639][T11253] BTRFS info (device loop4): disk space caching is enabled [ 77.408917][T11253] BTRFS info (device loop4): has skinny extents executing program executing program [ 77.471845][T11253] BTRFS error (device loop4): open_ctree failed [ 77.480490][T11277] BTRFS info (device loop4): disk space caching is enabled [ 77.505655][T11277] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 77.603867][T11277] BTRFS error (device loop4): open_ctree failed [ 77.618889][T11339] BTRFS info (device loop4): disk space caching is enabled [ 77.633634][T11339] BTRFS info (device loop4): has skinny extents executing program [ 77.699245][T11339] BTRFS error (device loop4): open_ctree failed [ 77.710184][T11386] BTRFS info (device loop4): disk space caching is enabled [ 77.718029][T11386] BTRFS info (device loop4): has skinny extents [ 77.764867][T11386] BTRFS error (device loop4): open_ctree failed [ 77.775059][T11359] BTRFS info (device loop4): disk space caching is enabled [ 77.783855][T11359] BTRFS info (device loop4): has skinny extents executing program executing program executing program executing program [ 77.847406][T11359] BTRFS error (device loop4): open_ctree failed [ 77.858367][T11461] BTRFS info (device loop4): disk space caching is enabled [ 77.876430][T11461] BTRFS info (device loop4): has skinny extents [ 77.928281][ T76] BTRFS error (device loop4): bad tree block start, want 5279744 have 0 [ 77.945317][T11461] BTRFS warning (device loop4): failed to read root (objectid=7): -5 [ 78.000004][T11461] BTRFS error (device loop4): open_ctree failed [ 78.037313][T11418] BTRFS info (device loop4): disk space caching is enabled executing program [ 78.047231][T11418] BTRFS info (device loop4): has skinny extents executing program executing program executing program [ 78.096606][T11418] BTRFS error (device loop4): open_ctree failed [ 78.113041][T11489] BTRFS info (device loop4): disk space caching is enabled [ 78.132830][T11489] BTRFS info (device loop4): has skinny extents [ 78.167970][T11489] BTRFS error (device loop4): open_ctree failed [ 78.195055][T11514] BTRFS info (device loop4): disk space caching is enabled [ 78.202760][T11514] BTRFS info (device loop4): has skinny extents [ 78.234023][T11514] BTRFS error (device loop4): open_ctree failed [ 78.242653][T11486] BTRFS info (device loop4): disk space caching is enabled [ 78.253685][T11486] BTRFS info (device loop4): has skinny extents [ 78.302156][T11692] ================================================================== [ 78.310412][T11692] BUG: KASAN: use-after-free in btrfs_printk+0x38b/0x40c [ 78.317414][T11692] Read of size 8 at addr ffff88801bdec6a0 by task syz-executor473/11692 [ 78.325708][T11692] [ 78.328022][T11692] CPU: 0 PID: 11692 Comm: syz-executor473 Not tainted 5.10.0-rc1-next-20201030-syzkaller #0 [ 78.338056][T11692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.348103][T11692] Call Trace: [ 78.351390][T11692] dump_stack+0x107/0x163 [ 78.355715][T11692] ? btrfs_printk+0x38b/0x40c [ 78.360380][T11692] ? btrfs_printk+0x38b/0x40c [ 78.365044][T11692] print_address_description.constprop.0.cold+0xae/0x4c8 [ 78.372046][T11692] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 78.377399][T11692] ? vprintk_func+0x95/0x1e0 [ 78.381977][T11692] ? btrfs_printk+0x38b/0x40c [ 78.386632][T11692] ? btrfs_printk+0x38b/0x40c [ 78.391287][T11692] kasan_report.cold+0x1f/0x37 [ 78.396035][T11692] ? btrfs_printk+0x38b/0x40c [ 78.400705][T11692] btrfs_printk+0x38b/0x40c [ 78.405242][T11692] ? btrfs_put_super+0x38/0x38 [ 78.410045][T11692] ? lock_release+0x710/0x710 [ 78.414703][T11692] ? __mutex_unlock_slowpath+0xe2/0x610 [ 78.420226][T11692] ? mntput+0x67/0x90 [ 78.424203][T11692] ? wait_for_completion_io+0x260/0x260 [ 78.429805][T11692] device_list_add.cold+0x99/0x31e [ 78.434966][T11692] ? btrfs_alloc_device+0x5d0/0x5d0 [ 78.440148][T11692] ? do_read_cache_page+0xe6/0x1390 [ 78.445436][T11692] btrfs_scan_one_device+0x339/0x4a0 [ 78.450714][T11692] ? device_list_add+0x1400/0x1400 [ 78.455804][T11692] ? btrfs_mount_root+0x73d/0xbb0 [ 78.460808][T11692] ? kfree+0xdb/0x360 [ 78.464771][T11692] btrfs_mount_root+0x4d5/0xbb0 [ 78.469602][T11692] ? parse_rescue_options+0x250/0x250 [ 78.474956][T11692] ? rcu_read_lock_sched_held+0x3a/0x70 [ 78.480480][T11692] ? kfree+0x2d3/0x360 [ 78.484586][T11692] ? vfs_parse_fs_string+0xf8/0x150 [ 78.489780][T11692] ? vfs_parse_fs_param+0x550/0x550 [ 78.495010][T11692] ? parse_rescue_options+0x250/0x250 [ 78.500387][T11692] legacy_get_tree+0x105/0x220 [ 78.505134][T11692] vfs_get_tree+0x89/0x2f0 [ 78.509544][T11692] vfs_kern_mount.part.0+0xd3/0x170 [ 78.514730][T11692] vfs_kern_mount+0x3c/0x60 [ 78.519214][T11692] btrfs_mount+0x234/0xa60 [ 78.523613][T11692] ? btrfs_show_options+0x1080/0x1080 [ 78.528974][T11692] ? rcu_read_lock_sched_held+0x3a/0x70 [ 78.534516][T11692] ? kfree+0x2d3/0x360 [ 78.538570][T11692] ? logfc+0x590/0x590 [ 78.542651][T11692] ? apparmor_capable+0x1d8/0x460 [ 78.547670][T11692] ? btrfs_show_options+0x1080/0x1080 [ 78.553031][T11692] legacy_get_tree+0x105/0x220 [ 78.557789][T11692] vfs_get_tree+0x89/0x2f0 [ 78.562201][T11692] path_mount+0x12ae/0x1e70 [ 78.566691][T11692] ? strncpy_from_user+0x29e/0x3a0 [ 78.571791][T11692] ? finish_automount+0xac0/0xac0 [ 78.576809][T11692] ? getname_flags.part.0+0x1dd/0x4f0 [ 78.582170][T11692] __x64_sys_mount+0x27f/0x300 [ 78.586926][T11692] ? copy_mnt_ns+0xae0/0xae0 [ 78.591504][T11692] ? syscall_enter_from_user_mode+0x1d/0x50 [ 78.597384][T11692] do_syscall_64+0x2d/0x70 [ 78.601787][T11692] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.607660][T11692] RIP: 0033:0x44ee3a [ 78.611543][T11692] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 bd 9f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 9a 9f fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 78.631131][T11692] RSP: 002b:00007fd06f5d9be8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 78.639524][T11692] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000044ee3a [ 78.647478][T11692] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fd06f5d9c10 [ 78.655430][T11692] RBP: 00007fd06f5d9c10 R08: 00007fd06f5d9c50 R09: 0000000000000000 [ 78.663407][T11692] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000030 [ 78.671378][T11692] R13: 00007fd06f5d9c50 R14: 00007fd06f5da6d0 R15: 0000000000000003 [ 78.679350][T11692] [ 78.681656][T11692] The buggy address belongs to the page: [ 78.687270][T11692] page:00000000cc5b23bc refcount:0 mapcount:-128 mapping:0000000000000000 index:0x0 pfn:0x1bdec [ 78.697651][T11692] flags: 0xfff00000000000() [ 78.702156][T11692] raw: 00fff00000000000 ffff88813fffb910 ffffea0000460c08 0000000000000000 [ 78.710759][T11692] raw: 0000000000000000 0000000000000002 00000000ffffff7f 0000000000000000 [ 78.719325][T11692] page dumped because: kasan: bad access detected [ 78.725722][T11692] [ 78.728080][T11692] Memory state around the buggy address: [ 78.733712][T11692] ffff88801bdec580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 78.741764][T11692] ffff88801bdec600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff executing program [ 78.749810][T11692] >ffff88801bdec680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 78.757851][T11692] ^ [ 78.762943][T11692] ffff88801bdec700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 78.771006][T11692] ffff88801bdec780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 78.779059][T11692] ================================================================== [ 78.787099][T11692] Disabling lock debugging due to kernel taint [ 78.813230][T11692] Kernel panic - not syncing: panic_on_warn set ... [ 78.819850][T11692] CPU: 0 PID: 11692 Comm: syz-executor473 Tainted: G B 5.10.0-rc1-next-20201030-syzkaller #0 [ 78.831295][T11692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.841341][T11692] Call Trace: [ 78.844633][T11692] dump_stack+0x107/0x163 [ 78.848965][T11692] ? btrfs_printk+0x351/0x40c [ 78.853640][T11692] panic+0x306/0x73d [ 78.857547][T11692] ? __warn_printk+0xf3/0xf3 [ 78.862137][T11692] ? preempt_schedule_common+0x59/0xc0 [ 78.867596][T11692] ? btrfs_printk+0x38b/0x40c [ 78.872271][T11692] ? preempt_schedule_thunk+0x16/0x18 [ 78.877640][T11692] ? trace_hardirqs_on+0x51/0x1c0 [ 78.882783][T11692] ? btrfs_printk+0x38b/0x40c [ 78.887463][T11692] ? btrfs_printk+0x38b/0x40c [ 78.892141][T11692] end_report+0x58/0x5e [ 78.896299][T11692] kasan_report.cold+0xd/0x37 [ 78.900976][T11692] ? btrfs_printk+0x38b/0x40c [ 78.905651][T11692] btrfs_printk+0x38b/0x40c [ 78.910146][T11692] ? btrfs_put_super+0x38/0x38 [ 78.914892][T11692] ? lock_release+0x710/0x710 [ 78.919547][T11692] ? __mutex_unlock_slowpath+0xe2/0x610 [ 78.925070][T11692] ? mntput+0x67/0x90 [ 78.929045][T11692] ? wait_for_completion_io+0x260/0x260 [ 78.934571][T11692] device_list_add.cold+0x99/0x31e [ 78.939663][T11692] ? btrfs_alloc_device+0x5d0/0x5d0 [ 78.944841][T11692] ? do_read_cache_page+0xe6/0x1390 [ 78.950017][T11692] btrfs_scan_one_device+0x339/0x4a0 [ 78.955290][T11692] ? device_list_add+0x1400/0x1400 [ 78.960382][T11692] ? btrfs_mount_root+0x73d/0xbb0 [ 78.965384][T11692] ? kfree+0xdb/0x360 [ 78.969377][T11692] btrfs_mount_root+0x4d5/0xbb0 [ 78.974206][T11692] ? parse_rescue_options+0x250/0x250 [ 78.979647][T11692] ? rcu_read_lock_sched_held+0x3a/0x70 [ 78.985167][T11692] ? kfree+0x2d3/0x360 [ 78.989220][T11692] ? vfs_parse_fs_string+0xf8/0x150 [ 78.994410][T11692] ? vfs_parse_fs_param+0x550/0x550 [ 78.999585][T11692] ? parse_rescue_options+0x250/0x250 [ 79.004934][T11692] legacy_get_tree+0x105/0x220 [ 79.009675][T11692] vfs_get_tree+0x89/0x2f0 [ 79.014079][T11692] vfs_kern_mount.part.0+0xd3/0x170 [ 79.019257][T11692] vfs_kern_mount+0x3c/0x60 [ 79.023736][T11692] btrfs_mount+0x234/0xa60 [ 79.028140][T11692] ? btrfs_show_options+0x1080/0x1080 [ 79.033489][T11692] ? rcu_read_lock_sched_held+0x3a/0x70 [ 79.039008][T11692] ? kfree+0x2d3/0x360 [ 79.043049][T11692] ? logfc+0x590/0x590 [ 79.047105][T11692] ? apparmor_capable+0x1d8/0x460 [ 79.052103][T11692] ? btrfs_show_options+0x1080/0x1080 [ 79.057468][T11692] legacy_get_tree+0x105/0x220 [ 79.062219][T11692] vfs_get_tree+0x89/0x2f0 [ 79.066611][T11692] path_mount+0x12ae/0x1e70 [ 79.071091][T11692] ? strncpy_from_user+0x29e/0x3a0 [ 79.076176][T11692] ? finish_automount+0xac0/0xac0 [ 79.081182][T11692] ? getname_flags.part.0+0x1dd/0x4f0 [ 79.086530][T11692] __x64_sys_mount+0x27f/0x300 [ 79.091267][T11692] ? copy_mnt_ns+0xae0/0xae0 [ 79.095835][T11692] ? syscall_enter_from_user_mode+0x1d/0x50 [ 79.101708][T11692] do_syscall_64+0x2d/0x70 [ 79.106103][T11692] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.111980][T11692] RIP: 0033:0x44ee3a [ 79.115854][T11692] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 bd 9f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 9a 9f fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 79.135432][T11692] RSP: 002b:00007fd06f5d9be8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 79.143823][T11692] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000044ee3a [ 79.151770][T11692] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fd06f5d9c10 [ 79.159728][T11692] RBP: 00007fd06f5d9c10 R08: 00007fd06f5d9c50 R09: 0000000000000000 [ 79.167675][T11692] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000030 [ 79.175626][T11692] R13: 00007fd06f5d9c50 R14: 00007fd06f5da6d0 R15: 0000000000000003 [ 79.184318][T11692] Kernel Offset: disabled [ 79.188627][T11692] Rebooting in 86400 seconds..