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Fix panic in Next

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readHeader should never return nil with a tr.err also nil.
To correct this, ensure tr.err never gets reset to nil followed
by a nil return.
This commit is contained in:
Derek McGowan 2016-09-22 17:38:18 -07:00
parent 6810cedb21
commit e527e70d25
1 changed files with 2 additions and 1 deletions
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3
archive/tar/reader.go
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@ -611,7 +611,8 @@ func (tr *Reader) readHeader() *Header {
if _, tr.err = io.ReadFull(tr.r, header); tr.err != nil {
// because it could read some of the block, but reach EOF first
if tr.err == io.EOF && tr.RawAccounting {
if _, tr.err = tr.rawBytes.Write(header); tr.err != nil {
if _, err := tr.rawBytes.Write(header); err != nil {
tr.err = err
return nil
}
}