mirror of
https://github.com/linux-apfs/apfstests.git
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Eric Biggers
98abd9a8d4
This test corrupts various parts of the contents of a verity file, or parts of its Merkle tree, by writing directly to the block device. It verifies that this causes I/O errors when the relevant part of the contents is later read by any means. Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
92 lines
3.7 KiB
Plaintext
92 lines
3.7 KiB
Plaintext
QA output created by 574
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# Corruption test: file_len=131072 zap_offset=0 zap_len=1
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0dfbe8aa4c20b52e1b8bf3cb6cbdf193 SCRATCH_MNT/file.fsv
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Corrupting bytes...
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Validating corruption (reading full file)...
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md5sum: SCRATCH_MNT/file.fsv: Input/output error
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Validating corruption (direct I/O)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading just corrupted part)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading full file via mmap)...
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Bus error
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Validating corruption (reading just corrupted part via mmap)...
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Bus error
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# Corruption test: file_len=131072 zap_offset=4095 zap_len=1
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0dfbe8aa4c20b52e1b8bf3cb6cbdf193 SCRATCH_MNT/file.fsv
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Corrupting bytes...
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Validating corruption (reading full file)...
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md5sum: SCRATCH_MNT/file.fsv: Input/output error
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Validating corruption (direct I/O)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading just corrupted part)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading full file via mmap)...
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Bus error
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Validating corruption (reading just corrupted part via mmap)...
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Bus error
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# Corruption test: file_len=131072 zap_offset=65536 zap_len=65536
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0dfbe8aa4c20b52e1b8bf3cb6cbdf193 SCRATCH_MNT/file.fsv
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Corrupting bytes...
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Validating corruption (reading full file)...
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md5sum: SCRATCH_MNT/file.fsv: Input/output error
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Validating corruption (direct I/O)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading just corrupted part)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading full file via mmap)...
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Bus error
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Validating corruption (reading just corrupted part via mmap)...
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Bus error
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# Corruption test: file_len=131072 zap_offset=131071 zap_len=1
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0dfbe8aa4c20b52e1b8bf3cb6cbdf193 SCRATCH_MNT/file.fsv
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Corrupting bytes...
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Validating corruption (reading full file)...
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md5sum: SCRATCH_MNT/file.fsv: Input/output error
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Validating corruption (direct I/O)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading just corrupted part)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading full file via mmap)...
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Bus error
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Validating corruption (reading just corrupted part via mmap)...
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Bus error
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# Corruption test: file_len=130999 zap_offset=131000 zap_len=72
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f5cca0d7fbb8b02bc6118a9954d5d306 SCRATCH_MNT/file.fsv
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Corrupting bytes...
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Validating corruption (reading full file)...
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md5sum: SCRATCH_MNT/file.fsv: Input/output error
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Validating corruption (direct I/O)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading just corrupted part)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading full file via mmap)...
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Bus error
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Validating corruption (reading just corrupted part via mmap)...
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Bus error
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# Corruption test: file_len=200000 zap_offset=100 (in Merkle tree) zap_len=10
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4a1e4325031b13f933ac4f1db9ecb63f SCRATCH_MNT/file.fsv
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Corrupting bytes...
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Validating corruption (reading full file)...
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md5sum: SCRATCH_MNT/file.fsv: Input/output error
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Validating corruption (direct I/O)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading full file via mmap)...
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Bus error
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# Corruption test: file_len=200000 (sparse) zap_offset=100 (in Merkle tree) zap_len=10
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4a1e4325031b13f933ac4f1db9ecb63f SCRATCH_MNT/file.fsv
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Corrupting bytes...
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Validating corruption (reading full file)...
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md5sum: SCRATCH_MNT/file.fsv: Input/output error
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Validating corruption (direct I/O)...
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dd: error reading 'SCRATCH_MNT/file.fsv': Input/output error
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Validating corruption (reading full file via mmap)...
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Bus error
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