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-rw-r--r--vendor/github.com/ulikunitz/xz/TODO.md5
-rw-r--r--vendor/github.com/ulikunitz/xz/bits.go7
2 files changed, 11 insertions, 1 deletions
diff --git a/vendor/github.com/ulikunitz/xz/TODO.md b/vendor/github.com/ulikunitz/xz/TODO.md
index a4224ce14..84bd5dcbd 100644
--- a/vendor/github.com/ulikunitz/xz/TODO.md
+++ b/vendor/github.com/ulikunitz/xz/TODO.md
@@ -90,6 +90,11 @@
## Log
+## 2020-08-19
+
+Release v0.5.8 fixes issue
+[issue #35](https://github.com/ulikunitz/xz/issues/35).
+
### 2020-02-24
Release v0.5.7 supports the check-ID None and fixes
diff --git a/vendor/github.com/ulikunitz/xz/bits.go b/vendor/github.com/ulikunitz/xz/bits.go
index 364213dd9..dc8f32860 100644
--- a/vendor/github.com/ulikunitz/xz/bits.go
+++ b/vendor/github.com/ulikunitz/xz/bits.go
@@ -54,6 +54,8 @@ var errOverflowU64 = errors.New("xz: uvarint overflows 64-bit unsigned integer")
// readUvarint reads a uvarint from the given byte reader.
func readUvarint(r io.ByteReader) (x uint64, n int, err error) {
+ const maxUvarintLen = 10
+
var s uint
i := 0
for {
@@ -62,8 +64,11 @@ func readUvarint(r io.ByteReader) (x uint64, n int, err error) {
return x, i, err
}
i++
+ if i > maxUvarintLen {
+ return x, i, errOverflowU64
+ }
if b < 0x80 {
- if i > 10 || i == 10 && b > 1 {
+ if i == maxUvarintLen && b > 1 {
return x, i, errOverflowU64
}
return x | uint64(b)<<s, i, nil