From e631e97b643bfafbf99091d0a9f4bad670971681 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 23 Mar 2022 01:08:56 +0100 Subject: avformat/aiffdec: avoid integer overflow in get_meta() 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 (cherry picked from commit 6a02de21278ec3bea1d2c62665f2629d5a62210f) Signed-off-by: Michael Niedermayer --- libavformat/aiffdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index d7a37fe207..1bd073841d 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -73,7 +73,7 @@ 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); -- cgit v1.2.1