From e434840fd4b3c854beec845f950b80bc1bf93b60 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 18 May 2017 17:46:56 +0200 Subject: [PATCH] avcodec/mimic: Use ff_set_dimensions() to set the dimensions Fixes: OOM Fixes: 1671/clusterfuzz-testcase-minimized-4759078033162240 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/mimic.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/mimic.c b/libavcodec/mimic.c index 607dffa4a5..02d8b30e31 100644 --- a/libavcodec/mimic.c +++ b/libavcodec/mimic.c @@ -390,9 +390,11 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data, return AVERROR_INVALIDDATA; } + res = ff_set_dimensions(avctx, width, height); + if (res < 0) + return res; + ctx->avctx = avctx; - avctx->width = width; - avctx->height = height; avctx->pix_fmt = AV_PIX_FMT_YUV420P; for (i = 0; i < 3; i++) { ctx->num_vblocks[i] = AV_CEIL_RSHIFT(height, 3 + !!i);