From 0ac1c87194a67e6104a3d241a4dd1ca0808784bd Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 7 May 2017 15:42:17 +0200 Subject: [PATCH] avcodec/eamad: Fix runtime error: signed integer overflow: 49674 * 49858 cannot be represented in type 'int' Fixes: 1394/clusterfuzz-testcase-minimized-6493376885030912 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/eamad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/eamad.c b/libavcodec/eamad.c index 23b1a3c944..753dee06c3 100644 --- a/libavcodec/eamad.c +++ b/libavcodec/eamad.c @@ -284,7 +284,7 @@ static int decode_frame(AVCodecContext *avctx, if (avctx->width != width || avctx->height != height) { av_frame_unref(s->last_frame); - if((width * height)/2048*7 > bytestream2_get_bytes_left(&gb)) + if((width * (int64_t)height)/2048*7 > bytestream2_get_bytes_left(&gb)) return AVERROR_INVALIDDATA; if ((ret = ff_set_dimensions(avctx, width, height)) < 0) return ret;