ffmpeg | branch: master | Andriy Gelman <andriy.gel...@gmail.com> | Fri Dec 6 11:03:02 2019 -0500| [02a83e26de6a58523ee55cfebc1312e7a4e42724] | committer: James Almer
lavc/cbs_h2645: Fix incorrect max size of nalu unit In the worst case the startcode prefix has 4 bytes. This fixes a trigerred assertion: Assertion dp <= max_size failed at libavcodec/cbs_h2645.c:1451 Found-by:libFuzzer Reviewed-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> Signed-off-by: Andriy Gelman <andriy.gel...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=02a83e26de6a58523ee55cfebc1312e7a4e42724 --- libavcodec/cbs_h2645.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index 88fa0029cd..5f71d80584 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -1395,7 +1395,7 @@ static int cbs_h2645_assemble_fragment(CodedBitstreamContext *ctx, max_size = 0; for (i = 0; i < frag->nb_units; i++) { // Start code + content with worst-case emulation prevention. - max_size += 3 + frag->units[i].data_size * 3 / 2; + max_size += 4 + frag->units[i].data_size * 3 / 2; } data = av_realloc(NULL, max_size + AV_INPUT_BUFFER_PADDING_SIZE); _______________________________________________ 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".
