Fixes: Assertion failure Fixes: 19629/clusterfuzz-testcase-minimized-ffmpeg_BSF_H264_METADATA_fuzzer-5676822528524288
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/cbs_h2645.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index c8347ba5fa..7427eefa30 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -870,7 +870,8 @@ static int cbs_h264_read_nal_unit(CodedBitstreamContext *ctx, "from slice data.\n", z); len -= z; } - + if (len <= pos / 8) + return AVERROR_INVALIDDATA; slice->data_size = len - pos / 8; slice->data_ref = av_buffer_ref(unit->data_ref); if (!slice->data_ref) @@ -1052,7 +1053,8 @@ static int cbs_h265_read_nal_unit(CodedBitstreamContext *ctx, "from slice data.\n", z); len -= z; } - + if (len <= pos / 8) + return AVERROR_INVALIDDATA; slice->data_size = len - pos / 8; slice->data_ref = av_buffer_ref(unit->data_ref); if (!slice->data_ref) -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".