diff options
Diffstat (limited to 'vendor/github.com/ulikunitz/xz/format.go')
| -rw-r--r-- | vendor/github.com/ulikunitz/xz/format.go | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/vendor/github.com/ulikunitz/xz/format.go b/vendor/github.com/ulikunitz/xz/format.go index 84b58c9dd..c98c12dfd 100644 --- a/vendor/github.com/ulikunitz/xz/format.go +++ b/vendor/github.com/ulikunitz/xz/format.go @@ -1,4 +1,4 @@ -// Copyright 2014-2019 Ulrich Kunitz. All rights reserved. +// Copyright 2014-2021 Ulrich Kunitz. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. @@ -662,7 +662,7 @@ func writeIndex(w io.Writer, index []record) (n int64, err error) { // readIndexBody reads the index from the reader. It assumes that the // index indicator has already been read. -func readIndexBody(r io.Reader) (records []record, n int64, err error) { +func readIndexBody(r io.Reader, expectedRecordLen int) (records []record, n int64, err error) { crc := crc32.NewIEEE() // index indicator crc.Write([]byte{0}) @@ -679,6 +679,11 @@ func readIndexBody(r io.Reader) (records []record, n int64, err error) { if recLen < 0 || uint64(recLen) != u { return nil, n, errors.New("xz: record number overflow") } + if recLen != expectedRecordLen { + return nil, n, fmt.Errorf( + "xz: index length is %d; want %d", + recLen, expectedRecordLen) + } // list of records records = make([]record, recLen) |