From: Martin Koegler <martin.koegler@xxxxxxxxx>
Prevent generating delta offsets beyond 4G.
Signed-off-by: Martin Koegler <martin.koegler@xxxxxxxxx>
---
diff-delta.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/diff-delta.c b/diff-delta.c
index 3d5e1ef..633883e 100644
--- a/diff-delta.c
+++ b/diff-delta.c
@@ -454,6 +454,9 @@ create_delta(const struct delta_index *index,
moff += msize;
msize = left;
+ if (moff > 0xffffffff)
+ msize = 0;
+
if (msize < 4096) {
int j;
val = 0;
--
2.1.4
