Fixes: Out of array read Fixes: 45137/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_SUPERFRAME_SPLIT_fuzzer-4984270639202304
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/vp9_superframe_split_bsf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/vp9_superframe_split_bsf.c b/libavcodec/vp9_superframe_split_bsf.c index ed0444561a..481484a4f0 100644 --- a/libavcodec/vp9_superframe_split_bsf.c +++ b/libavcodec/vp9_superframe_split_bsf.c @@ -51,7 +51,7 @@ static int vp9_superframe_split_filter(AVBSFContext *ctx, AVPacket *out) return ret; in = s->buffer_pkt; - marker = in->data[in->size - 1]; + marker = in->size ? in->data[in->size - 1] : 0; if ((marker & 0xe0) == 0xc0) { int length_size = 1 + ((marker >> 3) & 0x3); int nb_frames = 1 + (marker & 0x7); -- 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".
