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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:13 executing program 0: 22:21:13 executing program 2: 22:21:13 executing program 4: 22:21:13 executing program 1: 22:21:13 executing program 3: 22:21:13 executing program 1: 22:21:13 executing program 4: 22:21:13 executing program 0: 22:21:13 executing program 2: 22:21:13 executing program 3: 22:21:13 executing program 4: [ 202.897600][T16830] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 202.916219][T16830] BTRFS info (device loop5): trying to use backup root at mount time [ 202.924751][T16830] BTRFS info (device loop5): disk space caching is enabled [ 202.932458][T16830] BTRFS info (device loop5): has skinny extents [ 203.053023][T16830] BTRFS warning (device loop5): failed to read tree root [ 203.061189][ T21] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:13 executing program 1: 22:21:13 executing program 0: 22:21:13 executing program 2: 22:21:13 executing program 4: 22:21:13 executing program 3: 22:21:13 executing program 3: 22:21:13 executing program 1: 22:21:13 executing program 4: 22:21:13 executing program 0: 22:21:13 executing program 2: [ 203.261433][T16867] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 203.282195][T16867] BTRFS info (device loop5): trying to use backup root at mount time 22:21:13 executing program 3: [ 203.307531][T16867] BTRFS info (device loop5): disk space caching is enabled [ 203.330662][T16867] BTRFS info (device loop5): has skinny extents [ 203.431935][T16867] BTRFS warning (device loop5): failed to read tree root [ 203.440450][T16867] BTRFS warning (device loop5): failed to read tree root [ 203.448678][T16867] BTRFS warning (device loop5): failed to read tree root [ 203.458463][T16867] 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:14 executing program 2: 22:21:14 executing program 4: 22:21:14 executing program 1: 22:21:14 executing program 3: 22:21:14 executing program 0: 22:21:14 executing program 3: 22:21:14 executing program 1: 22:21:14 executing program 4: 22:21:14 executing program 2: 22:21:14 executing program 0: [ 203.627250][T16907] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead 22:21:14 executing program 1: [ 203.708136][T16907] BTRFS info (device loop5): trying to use backup root at mount time [ 203.752981][T16907] BTRFS info (device loop5): disk space caching is enabled [ 203.766326][T16907] BTRFS info (device loop5): has skinny extents [ 203.847270][T16907] BTRFS warning (device loop5): failed to read tree root [ 203.854704][T16907] BTRFS warning (device loop5): failed to read tree root [ 203.861961][T16907] BTRFS warning (device loop5): failed to read tree root [ 203.877338][T16907] 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:14 executing program 4: 22:21:14 executing program 3: 22:21:14 executing program 1: 22:21:14 executing program 2: 22:21:14 executing program 0: 22:21:14 executing program 1: 22:21:14 executing program 0: 22:21:14 executing program 4: 22:21:14 executing program 0: 22:21:14 executing program 3: 22:21:14 executing program 0: [ 204.151923][T16945] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 204.198636][T16945] BTRFS info (device loop5): trying to use backup root at mount time [ 204.213329][T16945] BTRFS info (device loop5): disk space caching is enabled [ 204.230176][T16945] BTRFS info (device loop5): has skinny extents [ 204.319817][T16945] BTRFS warning (device loop5): failed to read tree root [ 204.328373][T16945] BTRFS warning (device loop5): failed to read tree root [ 204.338950][T16945] BTRFS warning (device loop5): failed to read tree root [ 204.346706][T16945] 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:15 executing program 2: 22:21:15 executing program 4: 22:21:15 executing program 1: 22:21:15 executing program 3: 22:21:15 executing program 0: 22:21:15 executing program 1: 22:21:15 executing program 2: 22:21:15 executing program 3: 22:21:15 executing program 0: 22:21:15 executing program 4: 22:21:15 executing program 1: [ 204.475073][T16979] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 204.486189][T16979] BTRFS info (device loop5): trying to use backup root at mount time [ 204.495076][T16979] BTRFS info (device loop5): disk space caching is enabled [ 204.502844][T16979] BTRFS info (device loop5): has skinny extents [ 204.650959][ T21] btree_readpage_end_io_hook: 29 callbacks suppressed [ 204.650971][ T21] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 204.670316][T16979] BTRFS warning (device loop5): failed to read tree root [ 204.678570][ T21] btree_readpage_end_io_hook: 3 callbacks suppressed [ 204.678640][ T21] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0x65fa7bf69086e10472596a809cac60b212b8d1dacf6ea463c35ac8f9b7744e9f level 0 [ 204.709283][T16979] BTRFS warning (device loop5): failed to read tree root [ 204.717500][ T21] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 204.741161][T16979] BTRFS warning (device loop5): failed to read tree root [ 204.752518][ T753] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 204.760993][T16979] BTRFS warning (device loop5): failed to read tree root [ 204.771950][T16979] BTRFS error (device loop5): open_ctree failed 22:21:15 executing program 3: 22:21:15 executing program 0: 22:21:15 executing program 2: 22:21:15 executing program 4: 22:21:15 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:15 executing program 1: 22:21:15 executing program 1: 22:21:15 executing program 2: 22:21:15 executing program 4: 22:21:15 executing program 3: 22:21:15 executing program 0: 22:21:15 executing program 1: [ 204.934731][T17019] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 204.957650][T17019] BTRFS info (device loop5): trying to use backup root at mount time [ 204.968446][T17019] BTRFS info (device loop5): disk space caching is enabled 22:21:15 executing program 4: 22:21:15 executing program 3: [ 205.001936][T17019] BTRFS info (device loop5): has skinny extents 22:21:15 executing program 2: 22:21:15 executing program 3: [ 205.198056][ T21] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 205.208604][T17019] BTRFS warning (device loop5): failed to read tree root [ 205.218128][ T21] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0x65fa7bf69086e10472596a809cac60b212b8d1dacf6ea463c35ac8f9b7744e9f level 0 [ 205.243910][T17019] BTRFS warning (device loop5): failed to read tree root [ 205.251407][ T21] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 205.264893][T17019] BTRFS warning (device loop5): failed to read tree root [ 205.283864][ T7] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 205.297667][T17019] BTRFS warning (device loop5): failed to read tree root [ 205.316308][T17019] BTRFS error (device loop5): open_ctree failed 22:21:16 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:16 executing program 1: 22:21:16 executing program 0: 22:21:16 executing program 4: 22:21:16 executing program 2: 22:21:16 executing program 3: 22:21:16 executing program 4: 22:21:16 executing program 1: 22:21:16 executing program 3: 22:21:16 executing program 0: 22:21:16 executing program 2: 22:21:16 executing program 1: [ 205.450369][T17067] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 205.565892][T17067] BTRFS info (device loop5): trying to use backup root at mount time [ 205.587422][T17067] BTRFS info (device loop5): disk space caching is enabled [ 205.594719][T17067] BTRFS info (device loop5): has skinny extents [ 205.633656][ T21] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 205.643927][T17067] BTRFS warning (device loop5): failed to read tree root [ 205.651200][ T21] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0x99c63c19bc1417e82a88d9c98ea55929c593a66fff7f9bd03baaf2144d75800c level 0 [ 205.674945][T17067] BTRFS warning (device loop5): failed to read tree root [ 205.682257][ T30] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 205.703881][T17067] BTRFS warning (device loop5): failed to read tree root [ 205.711208][ T7] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 205.719627][T17067] BTRFS warning (device loop5): failed to read tree root [ 205.731124][T17067] BTRFS error (device loop5): open_ctree failed 22:21:16 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:16 executing program 4: 22:21:16 executing program 0: 22:21:16 executing program 3: 22:21:16 executing program 2: 22:21:16 executing program 1: 22:21:16 executing program 3: 22:21:16 executing program 0: 22:21:16 executing program 2: 22:21:16 executing program 1: 22:21:16 executing program 4: [ 205.857405][T17107] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 205.889300][T17107] BTRFS info (device loop5): trying to use backup root at mount time 22:21:16 executing program 3: [ 205.920917][T17107] BTRFS info (device loop5): disk space caching is enabled [ 205.975961][T17107] BTRFS info (device loop5): has skinny extents [ 206.064414][ T30] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 206.074447][T17107] BTRFS warning (device loop5): failed to read tree root [ 206.081725][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:16 executing program 2: 22:21:16 executing program 3: 22:21:16 executing program 1: 22:21:16 executing program 4: 22:21:16 executing program 0: 22:21:16 executing program 2: 22:21:16 executing program 0: 22:21:16 executing program 3: 22:21:16 executing program 1: 22:21:16 executing program 4: 22:21:16 executing program 2: [ 206.298963][T17146] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 206.390523][T17146] BTRFS info (device loop5): trying to use backup root at mount time [ 206.400472][T17146] BTRFS info (device loop5): disk space caching is enabled [ 206.407721][T17146] BTRFS info (device loop5): has skinny extents [ 206.500006][T17146] BTRFS warning (device loop5): failed to read tree root [ 206.509015][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:17 executing program 4: 22:21:17 executing program 0: 22:21:17 executing program 1: 22:21:17 executing program 3: 22:21:17 executing program 2: 22:21:17 executing program 0: 22:21:17 executing program 3: 22:21:17 executing program 2: 22:21:17 executing program 1: 22:21:17 executing program 0: 22:21:17 executing program 4: [ 206.690843][T17184] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 206.701523][T17184] BTRFS info (device loop5): trying to use backup root at mount time [ 206.715155][T17184] BTRFS info (device loop5): disk space caching is enabled [ 206.732026][T17184] BTRFS info (device loop5): has skinny extents [ 206.897602][T17184] BTRFS warning (device loop5): failed to read tree root [ 206.906122][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:17 executing program 3: 22:21:17 executing program 4: 22:21:17 executing program 0: 22:21:17 executing program 2: 22:21:17 executing program 1: 22:21:17 executing program 0: 22:21:17 executing program 3: 22:21:17 executing program 0: 22:21:17 executing program 1: [ 207.088930][T17224] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 207.099879][T17224] BTRFS info (device loop5): trying to use backup root at mount time [ 207.109643][T17224] BTRFS info (device loop5): disk space caching is enabled [ 207.116935][T17224] BTRFS info (device loop5): has skinny extents 22:21:17 executing program 4: 22:21:17 executing program 2: [ 207.281038][T17224] BTRFS warning (device loop5): failed to read tree root [ 207.290296][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:18 executing program 3: 22:21:18 executing program 2: 22:21:18 executing program 0: 22:21:18 executing program 4: 22:21:18 executing program 1: 22:21:18 executing program 3: 22:21:18 executing program 0: 22:21:18 executing program 4: 22:21:18 executing program 1: 22:21:18 executing program 2: 22:21:18 executing program 1: [ 207.555972][T17261] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 207.648245][T17261] BTRFS info (device loop5): trying to use backup root at mount time [ 207.728589][T17261] BTRFS info (device loop5): disk space caching is enabled [ 207.758447][T17261] BTRFS info (device loop5): has skinny extents [ 207.798607][T17261] BTRFS warning (device loop5): failed to read tree root [ 207.805938][ T21] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x510f40}], 0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:18 executing program 1: 22:21:18 executing program 2: 22:21:18 executing program 1: 22:21:18 executing program 4: [ 207.998717][T17306] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 208.027588][T17306] BTRFS info (device loop5): trying to use backup root at mount time [ 208.036483][T17306] BTRFS info (device loop5): disk space caching is enabled 22:21:18 executing program 3: 22:21:18 executing program 0: [ 208.044125][T17306] BTRFS info (device loop5): has skinny extents 22:21:18 executing program 1: 22:21:18 executing program 4: 22:21:18 executing program 1: 22:21:18 executing program 1: 22:21:18 executing program 1: [ 208.269593][T17306] BTRFS warning (device loop5): failed to read tree root [ 208.280330][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 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0x510f40}], 0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:19 executing program 1: 22:21:19 executing program 0: 22:21:19 executing program 3: 22:21:19 executing program 2: 22:21:19 executing program 4: 22:21:19 executing program 1: 22:21:19 executing program 0: 22:21:19 executing program 4: 22:21:19 executing program 2: 22:21:19 executing program 3: 22:21:19 executing program 0: [ 208.500918][T17347] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 208.521215][T17347] BTRFS info (device loop5): trying to use backup root at mount time [ 208.530227][T17347] BTRFS info (device loop5): disk space caching is enabled [ 208.537932][T17347] BTRFS info (device loop5): has skinny extents [ 208.646143][T17347] BTRFS warning (device loop5): failed to read tree root [ 208.655757][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 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0x510f40}], 0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:20 executing program 0: 22:21:20 executing program 4: 22:21:20 executing program 2: 22:21:20 executing program 1: 22:21:20 executing program 3: [ 209.475227][T17425] BTRFS warning (device loop5): failed to read tree root [ 209.484452][T17425] BTRFS warning (device loop5): failed to read tree root [ 209.507151][T17425] BTRFS error (device loop5): open_ctree failed 22:21:20 executing program 2: 22:21:20 executing program 0: 22:21:20 executing program 4: 22:21:20 executing program 1: 22:21:20 executing program 3: [ 209.637277][T17463] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead 22:21:20 executing program 2: [ 209.694878][T17463] BTRFS info (device loop5): trying to use backup root at mount time [ 209.732212][T17463] BTRFS info (device loop5): disk space caching is enabled [ 209.745815][T17463] BTRFS info (device loop5): has skinny extents [ 209.842758][ T7] btree_readpage_end_io_hook: 26 callbacks suppressed [ 209.842771][ T7] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 209.859849][T17463] BTRFS warning (device loop5): failed to read tree root [ 209.871947][ T7] btree_readpage_end_io_hook: 2 callbacks suppressed [ 209.871965][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xfbaefabdd3ebdb0689ecad3a612badd657c0393999a6f2f12bb481aa5f0d4b39 level 0 [ 209.901203][T17463] BTRFS warning (device loop5): failed to read tree root [ 209.908864][ T693] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 209.936365][T17463] BTRFS warning (device loop5): failed to read tree root [ 209.947225][ T693] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 209.958187][T17463] BTRFS warning (device loop5): failed to read tree root [ 209.969227][T17463] BTRFS error (device loop5): 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0x510f40}], 0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:20 executing program 3: 22:21:20 executing program 4: 22:21:20 executing program 1: 22:21:20 executing program 0: 22:21:20 executing program 4: 22:21:20 executing program 1: [ 210.136447][T17503] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead 22:21:20 executing program 3: 22:21:20 executing program 2: [ 210.186710][T17503] BTRFS info (device loop5): trying to use backup root at mount time 22:21:20 executing program 4: [ 210.296964][T17503] BTRFS info (device loop5): disk space caching is enabled [ 210.352253][T17503] BTRFS info (device loop5): has skinny extents [ 210.468029][ T693] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 210.476505][T17503] BTRFS warning (device loop5): failed to read tree root [ 210.484553][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 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space caching is enabled [ 210.964052][T17546] BTRFS info (device loop5): has skinny extents [ 211.103658][ T693] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 211.112059][T17546] BTRFS warning (device loop5): failed to read tree root [ 211.119373][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xd02922263721038d44e6983b03e11f58f40a4752bdcd1e3b671f5f271ac00c81 level 0 [ 211.143476][T17546] BTRFS warning (device loop5): failed to read tree root [ 211.150720][ T693] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 211.159266][T17546] BTRFS warning (device loop5): failed to read tree root [ 211.166741][ T7] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 211.187573][T17546] BTRFS warning (device loop5): failed to read tree root [ 211.196871][T17546] BTRFS error (device loop5): open_ctree failed 22:21:21 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space caching is enabled [ 211.599478][T17588] BTRFS info (device loop5): has skinny extents [ 211.815533][ T7] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 211.825937][T17588] BTRFS warning (device loop5): failed to read tree root [ 211.835167][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xd02922263721038d44e6983b03e11f58f40a4752bdcd1e3b671f5f271ac00c81 level 0 [ 211.858833][T17588] BTRFS warning (device loop5): failed to read tree root [ 211.866369][T17588] BTRFS warning (device loop5): failed to read tree root [ 211.874783][T17588] BTRFS warning (device loop5): failed to read tree root [ 211.884658][T17588] BTRFS error (device loop5): open_ctree failed 22:21:22 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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space caching is enabled [ 212.155028][T17627] BTRFS info (device loop5): has skinny extents [ 212.250668][T17627] BTRFS warning (device loop5): failed to read tree root [ 212.260079][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xd02922263721038d44e6983b03e11f58f40a4752bdcd1e3b671f5f271ac00c81 level 0 [ 212.284284][T17627] BTRFS warning (device loop5): failed to read tree root [ 212.292597][T17627] BTRFS warning (device loop5): failed to read tree root [ 212.299891][T17627] BTRFS warning (device loop5): failed to read tree root [ 212.312316][T17627] BTRFS error (device loop5): open_ctree failed 22:21:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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space caching is enabled [ 212.536265][T17668] BTRFS info (device loop5): has skinny extents [ 212.628153][T17668] BTRFS warning (device loop5): failed to read tree root [ 212.635534][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0x65fa7bf69086e10472596a809cac60b212b8d1dacf6ea463c35ac8f9b7744e9f level 0 [ 212.657470][T17668] BTRFS warning (device loop5): failed to read tree root [ 212.664886][T17668] BTRFS warning (device loop5): failed to read tree root [ 212.672157][T17668] BTRFS warning (device loop5): failed to read tree root [ 212.683130][T17668] BTRFS error (device loop5): open_ctree failed 22:21:23 executing program 3: 22:21:23 executing program 0: 22:21:23 executing program 2: 22:21:23 executing program 1: 22:21:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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space caching is enabled [ 212.989603][T17705] BTRFS info (device loop5): has skinny extents [ 213.119744][T17705] BTRFS warning (device loop5): failed to read tree root [ 213.129245][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0x65fa7bf69086e10472596a809cac60b212b8d1dacf6ea463c35ac8f9b7744e9f level 0 [ 213.153640][T17705] BTRFS warning (device loop5): failed to read tree root [ 213.161748][T17705] BTRFS warning (device loop5): failed to read tree root [ 213.171964][T17705] BTRFS warning (device loop5): failed to read tree root [ 213.184412][T17705] BTRFS error (device loop5): open_ctree failed 22:21:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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space caching is enabled [ 213.370887][T17749] BTRFS info (device loop5): has skinny extents [ 213.500805][T17749] BTRFS warning (device loop5): failed to read tree root [ 213.522424][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0x65fa7bf69086e10472596a809cac60b212b8d1dacf6ea463c35ac8f9b7744e9f level 0 [ 213.575866][T17749] BTRFS warning (device loop5): failed to read tree root [ 213.584218][T17749] BTRFS warning (device loop5): failed to read tree root [ 213.591424][T17749] BTRFS warning (device loop5): failed to read tree root [ 213.650532][T17749] BTRFS error (device loop5): open_ctree failed 22:21:24 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x25, 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executing program 2: 22:21:24 executing program 1: 22:21:24 executing program 4: 22:21:24 executing program 0: 22:21:24 executing program 3: 22:21:24 executing program 2: [ 213.850688][T17789] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 213.896343][T17789] BTRFS info (device loop5): trying to use backup root at mount time [ 213.931328][T17789] BTRFS info (device loop5): disk space caching is enabled [ 213.954558][T17789] BTRFS info (device loop5): has skinny extents [ 214.010951][T17789] BTRFS warning (device loop5): failed to read tree root [ 214.018516][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xc17f60f6d4be7c604ca1dd5084aa0daeee2f68bb848a06e227f0de270c8feccd level 0 [ 214.062327][T17789] BTRFS warning (device loop5): failed to read tree root [ 214.069719][T17789] BTRFS warning (device loop5): failed to read tree root 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executing program 2: 22:21:24 executing program 1: 22:21:24 executing program 3: 22:21:24 executing program 0: 22:21:24 executing program 4: [ 214.266898][T17831] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 214.302209][T17831] BTRFS info (device loop5): trying to use backup root at mount time [ 214.310451][T17831] BTRFS info (device loop5): disk space caching is enabled 22:21:25 executing program 3: [ 214.362671][T17831] BTRFS info (device loop5): has skinny extents [ 214.433347][T17831] BTRFS warning (device loop5): failed to read tree root [ 214.441158][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xc17f60f6d4be7c604ca1dd5084aa0daeee2f68bb848a06e227f0de270c8feccd level 0 [ 214.464064][T17831] BTRFS warning (device loop5): failed to read tree root [ 214.471359][T17831] BTRFS warning (device loop5): failed to read tree 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executing program 3: 22:21:25 executing program 2: 22:21:25 executing program 4: 22:21:25 executing program 3: 22:21:25 executing program 0: 22:21:25 executing program 1: [ 214.635422][T17868] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 214.649298][T17868] BTRFS info (device loop5): trying to use backup root at mount time [ 214.658263][T17868] BTRFS info (device loop5): disk space caching is enabled [ 214.666099][T17868] BTRFS info (device loop5): has skinny extents [ 214.792159][T17868] BTRFS warning (device loop5): failed to read tree root [ 214.801059][T17868] BTRFS warning (device loop5): failed to read tree root [ 214.809084][T17868] BTRFS warning (device loop5): failed to read tree root [ 214.817195][T17868] BTRFS warning (device loop5): failed to read tree root [ 214.828187][T17868] BTRFS error (device loop5): open_ctree failed 22:21:25 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:25 executing program 2: 22:21:25 executing program 0: 22:21:25 executing program 1: 22:21:25 executing program 4: 22:21:25 executing program 3: 22:21:25 executing program 0: 22:21:25 executing program 3: 22:21:25 executing program 4: 22:21:25 executing program 1: 22:21:25 executing program 3: 22:21:25 executing program 2: [ 214.958767][T17904] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 214.972095][T17904] BTRFS info (device loop5): trying to use backup root at mount time [ 214.989469][T17904] BTRFS info (device loop5): disk space caching is enabled [ 214.997690][T17904] BTRFS info (device loop5): has skinny extents [ 215.127200][ T30] btree_readpage_end_io_hook: 23 callbacks suppressed [ 215.127212][ T30] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 215.144878][T17904] BTRFS warning (device loop5): failed to read tree root [ 215.154339][ T30] btree_readpage_end_io_hook: 1 callbacks suppressed [ 215.154372][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xc17f60f6d4be7c604ca1dd5084aa0daeee2f68bb848a06e227f0de270c8feccd level 0 [ 215.185254][T17904] BTRFS warning (device loop5): failed to read tree root [ 215.192769][ T30] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 215.201149][T17904] BTRFS warning (device loop5): failed to read tree root [ 215.208622][ T30] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 215.217368][T17904] BTRFS warning (device loop5): failed to read tree root [ 215.234676][T17904] BTRFS error (device loop5): open_ctree failed 22:21:25 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:25 executing program 0: 22:21:25 executing program 4: 22:21:25 executing program 1: 22:21:25 executing program 2: 22:21:25 executing program 3: 22:21:26 executing program 2: 22:21:26 executing program 0: 22:21:26 executing program 4: 22:21:26 executing program 1: 22:21:26 executing program 3: [ 215.383283][T17943] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 215.405439][T17943] BTRFS info (device loop5): trying to use backup root at mount time [ 215.416478][T17943] BTRFS info (device loop5): disk space caching is enabled 22:21:26 executing program 1: [ 215.432773][T17943] BTRFS info (device loop5): has skinny extents [ 215.565408][ T7] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 215.573886][T17943] BTRFS warning (device loop5): failed to read tree root [ 215.581051][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xc17f60f6d4be7c604ca1dd5084aa0daeee2f68bb848a06e227f0de270c8feccd level 0 [ 215.603927][T17943] BTRFS warning (device loop5): failed to read tree root [ 215.611173][ T7] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 215.621818][T17943] BTRFS warning (device loop5): failed to read tree root [ 215.629654][ T7] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 215.639606][T17943] BTRFS warning (device loop5): failed to read tree root [ 215.650247][T17943] BTRFS error (device loop5): open_ctree failed 22:21:26 executing program 0: 22:21:26 executing program 2: 22:21:26 executing program 1: 22:21:26 executing program 4: 22:21:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:26 executing program 3: 22:21:26 executing program 0: 22:21:26 executing program 1: 22:21:26 executing program 3: 22:21:26 executing program 2: 22:21:26 executing program 4: 22:21:26 executing program 0: 22:21:26 executing program 1: 22:21:26 executing program 3: 22:21:26 executing program 2: 22:21:26 executing program 0: [ 215.917752][T17982] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 215.996329][T17982] BTRFS info (device loop5): trying to use backup root at mount time [ 216.011334][T17982] BTRFS info (device loop5): disk space caching is enabled [ 216.019113][T17982] BTRFS info (device loop5): has skinny extents [ 216.044481][ T693] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 216.067024][T17982] BTRFS warning (device loop5): failed to read tree root [ 216.081332][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xc17f60f6d4be7c604ca1dd5084aa0daeee2f68bb848a06e227f0de270c8feccd level 0 [ 216.132304][T17982] BTRFS warning (device loop5): failed to read tree root [ 216.139602][ T30] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 216.149087][T17982] BTRFS warning (device loop5): failed to read tree root [ 216.163616][ T7] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 216.171972][T17982] BTRFS warning (device loop5): failed to read tree root [ 216.187833][T17982] BTRFS error (device loop5): open_ctree failed 22:21:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:26 executing program 4: 22:21:26 executing program 1: 22:21:26 executing program 3: 22:21:26 executing program 2: 22:21:26 executing program 0: 22:21:26 executing program 4: 22:21:26 executing program 1: 22:21:26 executing program 3: 22:21:26 executing program 0: 22:21:26 executing program 2: [ 216.319002][T18022] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 216.362236][T18022] BTRFS info (device loop5): trying to use backup root at mount time [ 216.370359][T18022] BTRFS info (device loop5): disk space caching is enabled 22:21:27 executing program 2: [ 216.438357][T18022] BTRFS info (device loop5): has skinny extents [ 216.490508][ T7] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 216.513820][T18022] BTRFS warning (device loop5): failed to read tree root [ 216.521099][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:27 executing program 4: 22:21:27 executing program 0: 22:21:27 executing program 3: 22:21:27 executing program 1: 22:21:27 executing program 2: 22:21:27 executing program 3: 22:21:27 executing program 4: 22:21:27 executing program 0: 22:21:27 executing program 1: 22:21:27 executing program 3: [ 216.697738][T18060] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 216.719075][T18060] BTRFS info (device loop5): trying to use backup root at mount time [ 216.728239][T18060] BTRFS info (device loop5): disk space caching is enabled [ 216.735920][T18060] BTRFS info (device loop5): has skinny extents 22:21:27 executing program 2: [ 216.787462][T18060] BTRFS warning (device loop5): failed to read tree root [ 216.794967][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:27 executing program 2: 22:21:27 executing program 0: 22:21:27 executing program 3: 22:21:27 executing program 2: 22:21:27 executing program 4: 22:21:27 executing program 1: [ 217.066133][T18095] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead 22:21:27 executing program 4: [ 217.121419][T18095] BTRFS info (device loop5): trying to use backup root at mount time 22:21:27 executing program 0: 22:21:27 executing program 3: 22:21:27 executing program 1: 22:21:27 executing program 2: [ 217.164247][T18095] BTRFS info (device loop5): disk space caching is enabled [ 217.201627][T18095] BTRFS info (device loop5): has skinny extents [ 217.301889][T18095] BTRFS warning (device loop5): failed to read tree root [ 217.309528][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:28 executing program 4: 22:21:28 executing program 3: 22:21:28 executing program 2: 22:21:28 executing program 0: 22:21:28 executing program 1: 22:21:28 executing program 3: 22:21:28 executing program 4: 22:21:28 executing program 1: 22:21:28 executing program 0: 22:21:28 executing program 2: 22:21:28 executing program 4: [ 217.569569][T18137] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 217.623669][T18137] BTRFS info (device loop5): trying to use backup root at mount time [ 217.657697][T18137] BTRFS info (device loop5): disk space caching is enabled [ 217.707671][T18137] BTRFS info (device loop5): has skinny extents [ 217.719635][T18137] BTRFS warning (device loop5): failed to read tree root [ 217.728824][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:28 executing program 2: 22:21:28 executing program 3: 22:21:28 executing program 0: 22:21:28 executing program 1: 22:21:28 executing program 4: [ 217.939550][T18174] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 217.950880][T18174] BTRFS info (device loop5): trying to use backup root at mount time [ 217.960027][T18174] BTRFS info (device loop5): disk space caching is enabled 22:21:28 executing program 2: 22:21:28 executing program 2: [ 217.989263][T18174] BTRFS info (device loop5): has skinny extents 22:21:28 executing program 2: 22:21:28 executing program 1: 22:21:28 executing program 0: 22:21:28 executing program 3: [ 218.118998][T18174] BTRFS warning (device loop5): failed to read tree root [ 218.132151][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:28 executing program 2: 22:21:28 executing program 1: 22:21:28 executing program 4: 22:21:28 executing program 3: 22:21:28 executing program 0: [ 218.185506][T18174] BTRFS warning (device loop5): failed to read tree root [ 218.192966][T18174] BTRFS warning (device loop5): failed to read tree root [ 218.200186][T18174] BTRFS warning (device loop5): failed to read tree root [ 218.211345][T18174] BTRFS error (device loop5): open_ctree failed 22:21:28 executing program 2: 22:21:28 executing program 4: 22:21:28 executing program 1: 22:21:29 executing program 0: 22:21:29 executing program 3: [ 218.326561][T18214] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 218.352982][T18214] BTRFS info (device loop5): trying to use backup root at mount time [ 218.361102][T18214] BTRFS info (device loop5): disk space caching is enabled [ 218.369680][T18214] BTRFS info (device loop5): has skinny extents 22:21:29 executing program 4: [ 218.468569][T18214] BTRFS warning (device loop5): failed to read tree root [ 218.475826][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0x9d8eef51a1ba3f998b47859684654789ce46efc84754f98226f4df831e26edf4 level 0 [ 218.499479][T18214] BTRFS warning (device loop5): failed to read tree root [ 218.507198][T18214] BTRFS warning (device loop5): failed to read tree root 22:21:29 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:29 executing program 2: 22:21:29 executing program 4: 22:21:29 executing program 0: 22:21:29 executing program 3: 22:21:29 executing program 1: [ 218.514886][T18214] BTRFS warning (device loop5): failed to read tree root [ 218.525765][T18214] BTRFS error (device loop5): open_ctree failed 22:21:29 executing program 0: 22:21:29 executing program 1: 22:21:29 executing program 4: 22:21:29 executing program 3: 22:21:29 executing program 2: 22:21:29 executing program 0: [ 218.656087][T18251] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 218.712102][T18251] BTRFS info (device loop5): trying to use backup root at mount time [ 218.723153][T18251] BTRFS info (device loop5): disk space caching is enabled [ 218.730413][T18251] BTRFS info (device loop5): has skinny extents [ 218.809902][T18251] BTRFS warning (device loop5): failed to read tree root [ 218.818299][ T7] BTRFS warning 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:29 executing program 1: 22:21:29 executing program 4: 22:21:29 executing program 0: 22:21:29 executing program 3: 22:21:29 executing program 2: [ 218.859541][T18251] BTRFS warning (device loop5): failed to read tree root [ 218.891929][T18251] BTRFS error (device loop5): open_ctree failed 22:21:29 executing program 1: 22:21:29 executing program 0: 22:21:29 executing program 2: 22:21:29 executing program 3: 22:21:29 executing program 4: 22:21:29 executing program 4: [ 219.031289][T18287] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 219.084133][T18287] BTRFS info (device loop5): trying to use backup root at mount time [ 219.125274][T18287] BTRFS info (device loop5): disk space caching is enabled [ 219.138228][T18287] BTRFS info (device loop5): has skinny extents [ 219.210180][T18287] BTRFS warning (device loop5): failed to read tree root [ 219.217695][T18287] BTRFS warning (device loop5): failed to read tree root [ 219.226050][T18287] BTRFS warning (device loop5): failed to read tree root [ 219.241294][T18287] BTRFS warning (device loop5): failed to read tree root [ 219.254201][T18287] BTRFS error (device loop5): open_ctree failed 22:21:29 executing program 2: 22:21:29 executing program 1: 22:21:29 executing program 4: 22:21:29 executing program 0: 22:21:29 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:29 executing program 3: 22:21:29 executing program 2: 22:21:30 executing program 1: 22:21:30 executing program 4: 22:21:30 executing program 3: 22:21:30 executing program 0: 22:21:30 executing program 2: [ 219.459745][T18326] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 219.492233][T18326] BTRFS info (device loop5): trying to use backup root at mount time [ 219.500364][T18326] BTRFS info (device loop5): disk space caching is enabled 22:21:30 executing program 1: 22:21:30 executing program 4: 22:21:30 executing program 3: 22:21:30 executing program 2: [ 219.508735][T18326] BTRFS info (device loop5): has skinny extents [ 219.666748][T18326] BTRFS warning (device loop5): failed to read tree root [ 219.675799][T18326] BTRFS warning (device loop5): failed to read tree root [ 219.683784][T18326] BTRFS warning (device loop5): failed to read tree root [ 219.691030][T18326] 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:30 executing program 0: 22:21:30 executing program 2: 22:21:30 executing program 1: 22:21:30 executing program 4: 22:21:30 executing program 3: [ 219.995401][T18366] BTRFS warning (device loop5): failed to read tree root [ 220.004433][T18366] BTRFS info (device loop5): enabling ssd optimizations [ 220.011859][T18366] BTRFS info (device loop5): checking UUID tree 22:21:30 executing program 0: 22:21:30 executing program 3: 22:21:30 executing program 2: 22:21:30 executing program 0: 22:21:30 executing program 1: 22:21:30 executing program 4: [ 220.148613][T18406] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 220.181018][T18406] BTRFS info (device loop5): trying to use backup root at mount time [ 220.236109][T18406] BTRFS info (device loop5): disk space caching is enabled [ 220.269118][T18406] BTRFS info (device loop5): has skinny extents [ 220.315524][ T7] btree_readpage_end_io_hook: 27 callbacks suppressed [ 220.315536][ T7] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 220.330852][T18406] BTRFS warning (device loop5): failed to read tree root [ 220.338491][ T7] btree_readpage_end_io_hook: 2 callbacks suppressed [ 220.338548][ T7] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xff6d97b22e872d452042e0042d182f46587259618abb12607212438ebd421a90 level 0 [ 220.392219][T18406] BTRFS warning (device loop5): failed to read tree root [ 220.399485][ T7] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 220.407939][T18406] BTRFS warning (device loop5): failed to read tree root [ 220.434112][ T693] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 220.442551][T18406] BTRFS warning (device loop5): failed to read tree root [ 220.461617][T18406] BTRFS error (device loop5): 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:31 executing program 2: 22:21:31 executing program 2: 22:21:31 executing program 1: 22:21:31 executing program 3: 22:21:31 executing program 4: 22:21:31 executing program 0: 22:21:31 executing program 2: [ 220.611696][T18444] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 220.627394][T18444] BTRFS info (device loop5): trying to use backup root at mount time [ 220.636487][T18444] BTRFS info (device loop5): disk space caching is enabled [ 220.645600][T18444] BTRFS info (device loop5): has skinny extents 22:21:31 executing program 4: 22:21:31 executing program 0: 22:21:31 executing program 4: 22:21:31 executing program 2: [ 220.841303][ T30] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 220.853187][T18444] BTRFS warning (device loop5): failed to read tree root [ 220.860474][ T30] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xff6d97b22e872d452042e0042d182f46587259618abb12607212438ebd421a90 level 0 [ 220.910943][T18444] BTRFS warning (device loop5): failed to read tree root [ 220.918317][ T30] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 220.926862][T18444] BTRFS warning (device loop5): failed to read tree root [ 220.934228][ T30] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 220.942789][T18444] BTRFS warning (device loop5): failed to read tree root [ 220.954761][T18444] BTRFS error (device loop5): open_ctree failed 22:21:31 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:31 executing program 3: 22:21:31 executing program 1: 22:21:31 executing program 2: 22:21:31 executing program 4: 22:21:31 executing program 0: 22:21:31 executing program 0: 22:21:31 executing program 4: 22:21:31 executing program 3: [ 221.098738][T18486] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 221.114433][T18486] BTRFS info (device loop5): trying to use backup root at mount time [ 221.136461][T18486] BTRFS info (device loop5): disk space caching is enabled 22:21:31 executing program 1: 22:21:31 executing program 0: 22:21:31 executing program 2: [ 221.144043][T18486] BTRFS info (device loop5): has skinny extents [ 221.254362][ T693] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 221.266109][T18486] BTRFS warning (device loop5): failed to read tree root [ 221.273783][ T693] BTRFS warning (device loop5): loop5 checksum verify failed on 5304320 wanted 0xcb275570b3db4aea6ce910321447289f4becd494da4c388d743a963f92965d36 found 0xff6d97b22e872d452042e0042d182f46587259618abb12607212438ebd421a90 level 0 [ 221.342222][T18486] BTRFS warning (device loop5): failed to read tree root [ 221.349458][ T693] BTRFS error (device loop5): bad tree block start, want 5263360 have 0 [ 221.361646][T18486] BTRFS warning (device loop5): failed to read tree root [ 221.368890][ T693] BTRFS error (device loop5): bad tree block start, want 5246976 have 0 [ 221.378437][T18486] BTRFS warning (device loop5): failed to read tree root [ 221.391647][T18486] BTRFS error (device loop5): open_ctree failed 22:21:32 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x26, 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0x98, 0x510f40}], 0x0, &(0x7f0000000040)={[{@usebackuproot='usebackuproot'}]}) 22:21:32 executing program 4: 22:21:32 executing program 2: 22:21:32 executing program 3: 22:21:32 executing program 0: 22:21:32 executing program 1: 22:21:32 executing program 0: 22:21:32 executing program 3: 22:21:32 executing program 4: 22:21:32 executing program 1: 22:21:32 executing program 2: 22:21:32 executing program 0: [ 221.561574][T18523] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 221.575387][T18523] BTRFS info (device loop5): trying to use backup root at mount time [ 221.599611][T18523] BTRFS info (device loop5): disk space caching is enabled [ 221.636361][T18523] BTRFS info (device loop5): has skinny extents [ 221.732067][ T693] BTRFS error (device loop5): bad tree block start, want 5242880 have 0 [ 221.740506][T18523] BTRFS warning (device loop5): failed to read tree root [ 221.750021][T18523] BTRFS info (device loop5): enabling ssd optimizations [ 221.758107][T18523] BTRFS info (device loop5): checking UUID tree [ 221.778832][T18523] ================================================================== [ 221.786955][T18523] BUG: KCSAN: data-race in btrfs_iget_path / join_transaction [ 221.794388][T18523] [ 221.796704][T18523] write to 0xffff888090b2e250 of 8 bytes by task 18552 on cpu 1: [ 221.804406][T18523] join_transaction+0x63c/0x6d0 [ 221.809252][T18523] start_transaction+0x4d1/0xb40 [ 221.814183][T18523] btrfs_start_transaction+0x26/0x30 [ 221.819464][T18523] btrfs_uuid_scan_kthread+0x38e/0x5b0 [ 221.824910][T18523] btrfs_uuid_rescan_kthread+0x2e/0x80 [ 221.830353][T18523] kthread+0x20d/0x230 [ 221.834409][T18523] ret_from_fork+0x1f/0x30 [ 221.838805][T18523] [ 221.841148][T18523] read to 0xffff888090b2e250 of 8 bytes by task 18523 on cpu 0: [ 221.848771][T18523] btrfs_iget_path+0x5e1/0xc00 [ 221.853526][T18523] btrfs_iget+0x23/0x30 [ 221.857674][T18523] btrfs_mount_root+0x76f/0x830 [ 221.862515][T18523] legacy_get_tree+0x70/0xc0 [ 221.867096][T18523] vfs_get_tree+0x4d/0x1a0 [ 221.871500][T18523] vfs_kern_mount+0xc6/0x130 [ 221.876080][T18523] btrfs_mount+0x27b/0x790 [ 221.880485][T18523] legacy_get_tree+0x70/0xc0 [ 221.885064][T18523] vfs_get_tree+0x4d/0x1a0 [ 221.889469][T18523] path_mount+0x118d/0x1c70 [ 221.893957][T18523] __se_sys_mount+0x126/0x180 [ 221.898620][T18523] __x64_sys_mount+0x63/0x70 [ 221.903202][T18523] do_syscall_64+0x39/0x80 [ 221.907626][T18523] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 221.913485][T18523] [ 221.915783][T18523] Reported by Kernel Concurrency Sanitizer on: [ 221.921912][T18523] CPU: 0 PID: 18523 Comm: syz-executor.5 Not tainted 5.9.0-rc6-syzkaller #0 [ 221.930547][T18523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.940570][T18523] ================================================================== [ 221.948613][T18523] Kernel panic - not syncing: panic_on_warn set ... [ 221.955182][T18523] CPU: 0 PID: 18523 Comm: syz-executor.5 Not tainted 5.9.0-rc6-syzkaller #0 [ 221.963821][T18523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.974151][T18523] Call Trace: [ 221.977415][T18523] dump_stack+0x10f/0x19d [ 221.981752][T18523] panic+0x207/0x64a [ 221.985620][T18523] ? vprintk_emit+0x44a/0x4f0 [ 221.990266][T18523] kcsan_report+0x684/0x690 [ 221.994744][T18523] ? kcsan_setup_watchpoint+0x41e/0x4a0 [ 222.000274][T18523] ? btrfs_iget_path+0x5e1/0xc00 [ 222.005197][T18523] ? btrfs_iget+0x23/0x30 [ 222.009495][T18523] ? btrfs_mount_root+0x76f/0x830 [ 222.014489][T18523] ? legacy_get_tree+0x70/0xc0 [ 222.019246][T18523] ? vfs_get_tree+0x4d/0x1a0 [ 222.023805][T18523] ? vfs_kern_mount+0xc6/0x130 [ 222.028551][T18523] ? btrfs_mount+0x27b/0x790 [ 222.033128][T18523] ? legacy_get_tree+0x70/0xc0 [ 222.037876][T18523] ? vfs_get_tree+0x4d/0x1a0 [ 222.042435][T18523] ? path_mount+0x118d/0x1c70 [ 222.047079][T18523] ? __se_sys_mount+0x126/0x180 [ 222.051897][T18523] ? __x64_sys_mount+0x63/0x70 [ 222.056631][T18523] ? do_syscall_64+0x39/0x80 [ 222.061190][T18523] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 222.067233][T18523] kcsan_setup_watchpoint+0x41e/0x4a0 [ 222.072595][T18523] ? btrfs_inode_set_file_extent_range+0xba/0xe0 [ 222.078904][T18523] btrfs_iget_path+0x5e1/0xc00 [ 222.083642][T18523] btrfs_iget+0x23/0x30 [ 222.087769][T18523] btrfs_mount_root+0x76f/0x830 [ 222.092608][T18523] ? strcmp+0x23/0x50 [ 222.096560][T18523] ? btrfs_control_open+0x30/0x30 [ 222.101553][T18523] legacy_get_tree+0x70/0xc0 [ 222.106145][T18523] vfs_get_tree+0x4d/0x1a0 [ 222.110530][T18523] vfs_kern_mount+0xc6/0x130 [ 222.115106][T18523] btrfs_mount+0x27b/0x790 [ 222.119493][T18523] ? strcmp+0x23/0x50 [ 222.123447][T18523] ? __kmalloc_track_caller+0x197/0x310 [ 222.128978][T18523] ? aa_get_newest_label+0x71/0x250 [ 222.134157][T18523] ? btrfs_resize_thread_pool+0x180/0x180 [ 222.139848][T18523] legacy_get_tree+0x70/0xc0 [ 222.144409][T18523] vfs_get_tree+0x4d/0x1a0 [ 222.148794][T18523] path_mount+0x118d/0x1c70 [ 222.153283][T18523] __se_sys_mount+0x126/0x180 [ 222.157946][T18523] __x64_sys_mount+0x63/0x70 [ 222.162508][T18523] do_syscall_64+0x39/0x80 [ 222.166919][T18523] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 222.172779][T18523] RIP: 0033:0x460bca [ 222.176656][T18523] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 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 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 222.196243][T18523] RSP: 002b:00007f88f610ca88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 222.204632][T18523] RAX: ffffffffffffffda RBX: 00007f88f610cb20 RCX: 0000000000460bca [ 222.212574][T18523] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f88f610cae0 [ 222.220526][T18523] RBP: 00007f88f610cae0 R08: 00007f88f610cb20 R09: 0000000020000000 [ 222.228577][T18523] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 222.236523][T18523] R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020000040 [ 222.245459][T18523] Kernel Offset: disabled [ 222.249781][T18523] Rebooting in 86400 seconds..