[FFmpeg-devel] [PATCH 1/3] avcodec/iff: Fix invalid pointer intermediates in decode_deep_rle32()
Michael Niedermayer
michael at niedermayer.cc
Tue Apr 21 01:03:39 EEST 2020
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/iff.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index acd6519b06..2e65e266d0 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -715,7 +715,7 @@ static void decode_deep_rle32(uint8_t *dst, const uint8_t *src, int src_size, in
{
const uint8_t *src_end = src + src_size;
int x = 0, y = 0, i;
- while (src + 5 <= src_end) {
+ while (src_end - src >= 5) {
int opcode;
opcode = *(int8_t *)src++;
if (opcode >= 0) {
--
2.17.1
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