[Patch size_t V3 04/19] delta: Fix offset overflows
flat view
STALE3336d
From: Martin Koegler <hidden>
Date: 2017-08-16 20:17:01
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Martin Koegler <redacted> Prevent generating delta offsets beyond 4G. Signed-off-by: Martin Koegler <redacted> --- diff-delta.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/diff-delta.c b/diff-delta.c
index dffbab1..4489b79 100644
--- a/diff-delta.c
+++ b/diff-delta.c@@ -453,6 +453,9 @@ 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