[FFmpeg-devel] [PATCH 1/2] avformat/aiffdec: avoid integer overflow in get_meta()
Michael Niedermayer
michael at niedermayer.cc
Wed Mar 23 16:05:02 EET 2022
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 45891/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6159183893889024
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavformat/aiffdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c
index 3634bb4960..5236cc2807 100644
--- a/libavformat/aiffdec.c
+++ b/libavformat/aiffdec.c
@@ -72,7 +72,7 @@ static int get_tag(AVIOContext *pb, uint32_t * tag)
/* Metadata string read */
static void get_meta(AVFormatContext *s, const char *key, int size)
{
- uint8_t *str = av_malloc(size+1);
+ uint8_t *str = av_malloc(size+1U);
if (str) {
int res = avio_read(s->pb, str, size);
--
2.17.1
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