ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Aug 15 00:37:05 2024 +0200| [4e39795c75e664ef06f17473adec8c75fcf9de6f] | committer: Michael Niedermayer
avformat/mvdec: Check if name was fully read Fixes: use of uninitialized value Fixes: 70901/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-6341913949569024 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4e39795c75e664ef06f17473adec8c75fcf9de6f --- libavformat/mvdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c index 0718f0483a..c045d2c7c8 100644 --- a/libavformat/mvdec.c +++ b/libavformat/mvdec.c @@ -256,7 +256,8 @@ static int read_table(AVFormatContext *avctx, AVStream *st, if (avio_feof(pb)) return AVERROR_EOF; - avio_read(pb, name, 16); + if (avio_read(pb, name, 16) != 16) + return AVERROR_INVALIDDATA; name[sizeof(name) - 1] = 0; size = avio_rb32(pb); if (size < 0) { _______________________________________________ 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".
