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squashfs: fix off by one in directory counting #193

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merged 1 commit into from
Dec 14, 2023
Merged

squashfs: fix off by one in directory counting #193

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4 changes: 2 additions & 2 deletions filesystem/squashfs/directory.go
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Original file line number Diff line number Diff line change
Expand Up @@ -64,8 +64,8 @@ func parseDirectory(b []byte) (*directory, error) {
if err != nil {
return nil, fmt.Errorf("could not parse directory header: %v", err)
}
if directoryHeader.count+1 > maxDirEntries {
return nil, fmt.Errorf("corrupted directory, had %d entries instead of max %d", directoryHeader.count+1, maxDirEntries)
if directoryHeader.count > maxDirEntries {
return nil, fmt.Errorf("corrupted directory, had %d entries instead of max %d", directoryHeader.count, maxDirEntries)
}
pos += dirHeaderSize
for count := uint32(0); count < directoryHeader.count; count++ {
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