From 9bf4523e40148fdd27064ab570952bd8c4d1016e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 6 May 2017 16:43:52 +0200 Subject: [PATCH] avcodec/webp: Fix null pointer dereference Fixes: 1369/clusterfuzz-testcase-minimized-5048908029886464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/webp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/webp.c b/libavcodec/webp.c index 52a80402e9..d21536a286 100644 --- a/libavcodec/webp.c +++ b/libavcodec/webp.c @@ -1342,6 +1342,8 @@ static int vp8_lossy_decode_frame(AVCodecContext *avctx, AVFrame *p, pkt.size = data_size; ret = ff_vp8_decode_frame(avctx, p, got_frame, &pkt); + if (ret < 0) + return ret; if (s->has_alpha) { ret = vp8_lossy_decode_alpha(avctx, p, s->alpha_data, s->alpha_data_size);