ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 01:46:02 2024 +0100| [48eeb198a55852ccb4b57cb73c4658767252614e] | committer: Michael Niedermayer
avcodec/hcadec: do not allow code to continue after failed init Fixes: 62285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HCA_fuzzer-6247136417087488 Fixes: out of array write 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=48eeb198a55852ccb4b57cb73c4658767252614e --- libavcodec/hcadec.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/hcadec.c b/libavcodec/hcadec.c index 8c8c235f7b..88146c7cdd 100644 --- a/libavcodec/hcadec.c +++ b/libavcodec/hcadec.c @@ -538,8 +538,10 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, return AVERROR_INVALIDDATA; } else if (AV_RB16(avpkt->data + 6) <= avpkt->size) { ret = init_hca(avctx, avpkt->data, AV_RB16(avpkt->data + 6)); - if (ret < 0) + if (ret < 0) { + c->crc_table = NULL; // signal that init has not finished return ret; + } offset = AV_RB16(avpkt->data + 6); if (offset == avpkt->size) return avpkt->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".
