virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

avformat/thp: Check fps

Browse Source 
Fixes: division by zero
Fixes: 23162/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4856420817436672

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 0e15b01b4e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-06-08 09:28:55 +02:00
parent 38af60a454
commit d31345a880
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/thp.c
View File

@ -75,6 +75,8 @@ static int thp_read_header(AVFormatContext *s)
avio_rb32(pb); /* Max samples. */
thp->fps = av_d2q(av_int2float(avio_rb32(pb)), INT_MAX);
if (thp->fps.den <= 0 || thp->fps.num < 0)
return AVERROR_INVALIDDATA;
thp->framecnt = avio_rb32(pb);
thp->first_framesz = avio_rb32(pb);
pb->maxsize = avio_rb32(pb);