ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Wed May 10 18:37:50 2017 +0200| [f88fd9027c49f20ce0ff0b04658322314fac605e] | committer: Michael Niedermayer
avcodec/webp: Fixes null pointer dereference Fixes: 1470/clusterfuzz-testcase-minimized-5404421666111488 Fixes: 1472/clusterfuzz-testcase-minimized-5677426430443520 Fixes: 1875/clusterfuzz-testcase-minimized-5536474562822144 Approved-by: BBB Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 67020711b7d45afa073ef671f755765035a64373) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f88fd9027c49f20ce0ff0b04658322314fac605e --- libavcodec/webp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/webp.c b/libavcodec/webp.c index 04d898ee7b..6aa0e4aed8 100644 --- a/libavcodec/webp.c +++ b/libavcodec/webp.c @@ -1350,6 +1350,9 @@ static int vp8_lossy_decode_frame(AVCodecContext *avctx, AVFrame *p, if (ret < 0) return ret; + if (!*got_frame) + return AVERROR_INVALIDDATA; + update_canvas_size(avctx, avctx->width, avctx->height); if (s->has_alpha) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog