ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Feb 5 22:22:30 2020 +0100| [87d54a62396830eff232051ac38b5c273ca2e38a] | committer: Michael Niedermayer
avformat/tty: Fix division by 0 in probe Fixes: division by zero Fixes: 20436/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5763229752229888 Fixes: 20503/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4841641154445312 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=87d54a62396830eff232051ac38b5c273ca2e38a --- libavformat/tty.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/tty.c b/libavformat/tty.c index 60f7e9f87e..854a23c500 100644 --- a/libavformat/tty.c +++ b/libavformat/tty.c @@ -53,6 +53,9 @@ static int read_probe(const AVProbeData *p) { int cnt = 0; + if (!p->buf_size) + return 0; + for (int i = 0; i < p->buf_size; i++) cnt += !!isansicode(p->buf[i]); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
