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heal: Check for truncated files (#10399)

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When checking parts we already do a stat for each part.

Since we have the on disk size check if it is at least what we expect.

When checking metadata check if metadata is 0 bytes.
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Klaus Post 2020-09-01 12:06:45 -07:00 committed by GitHub
parent a89d6b8e3d
commit 3e1fb17b70
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1 changed files with 5 additions and 1 deletions
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6
cmd/xl-storage.go
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@ -1812,6 +1812,10 @@ func (s *xlStorage) CheckParts(volume, path string, fi FileInfo) error {
if st.Mode().IsDir() { if st.Mode().IsDir() {
return errFileNotFound return errFileNotFound
} }
// Check if shard is truncated.
if st.Size() < fi.Erasure.ShardFileSize(part.Size) {
return errFileCorrupt
}
} }
return nil return nil
@ -1860,7 +1864,7 @@ func (s *xlStorage) CheckFile(volume, path string) error {
} }
// If its a directory its not a regular file. // If its a directory its not a regular file.
if st.Mode().IsDir() { if st.Mode().IsDir() || st.Size() == 0 {
return errFileNotFound return errFileNotFound
} }