Merge pull request #4165 from mtrmac/c-image-4

Update c/image to v4.0.0 + Buildah to 1.11.3

1 files changed, 6 insertions, 2 deletions

diff --git a/vendor/github.com/klauspost/compress/fse/decompress.go b/vendor/github.com/klauspost/compress/fse/decompress.go
index 202f36a99..413ec3b3c 100644
--- a/vendor/github.com/klauspost/compress/fse/decompress.go
+++ b/vendor/github.com/klauspost/compress/fse/decompress.go
@@ -243,7 +243,7 @@ func (s *Scratch) buildDtable() error {
 			nBits := s.actualTableLog - byte(highBits(uint32(nextState)))
 			s.decTable[u].nbBits = nBits
 			newState := (nextState << nBits) - tableSize
-			if newState > tableSize {
+			if newState >= tableSize {
 				return fmt.Errorf("newState (%d) outside table size (%d)", newState, tableSize)
 			}
 			if newState == uint16(u) && nBits == 0 {
@@ -281,8 +281,12 @@ func (s *Scratch) decompress() error {
 			tmp[off+2] = s1.nextFast()
 			tmp[off+3] = s2.nextFast()
 			off += 4
+			// When off is 0, we have overflowed and should write.
 			if off == 0 {
 				s.Out = append(s.Out, tmp...)
+				if len(s.Out) >= s.DecompressLimit {
+					return fmt.Errorf("output size (%d) > DecompressLimit (%d)", len(s.Out), s.DecompressLimit)
+				}
 			}
 		}
 	} else {
@@ -296,7 +300,7 @@ func (s *Scratch) decompress() error {
 			off += 4
 			if off == 0 {
 				s.Out = append(s.Out, tmp...)
-				off = 0
+				// When off is 0, we have overflowed and should write.
 				if len(s.Out) >= s.DecompressLimit {
 					return fmt.Errorf("output size (%d) > DecompressLimit (%d)", len(s.Out), s.DecompressLimit)
 				}