eessppeelllloo/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2026-06-16 04:32:47 +02:00
Code Issues Packages Projects Releases Wiki Activity

avformat/mpc8: Check size before implicitly converting to int

Browse Source 
Fixes: Timeout
Fixes: 28551/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6229183210586112

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 78d6d8ddb5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2020-12-24 20:42:27 +01:00
parent b9b7d76f8c
commit c79401d76e
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libavformat/mpc8.c
+1 -1
View File
@@ -291,7 +291,7 @@ static int mpc8_read_packet(AVFormatContext *s, AVPacket *pkt)
return AVERROR_EOF;
mpc8_get_chunk_header(s->pb, &tag, &size);
if (size < 0)
if (size < 0 || size > INT_MAX)
return -1;
if(tag == TAG_AUDIOPACKET){
if(av_get_packet(s->pb, pkt, size) < 0)