From 66894351909ffca0bd55b4e349362741f25a0f08 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 28 Feb 2019 00:12:14 +0100 Subject: [PATCH] avcodec/scpr: Fix use of uninitialized variable Fixes: Undefined shift Fixes: 12911/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-5677102915911680 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 53248acfb3b23007c89ae822d7bcae451272d5a7) Signed-off-by: Michael Niedermayer --- libavcodec/scpr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/scpr.c b/libavcodec/scpr.c index 66b4157576..6d9c437c0b 100644 --- a/libavcodec/scpr.c +++ b/libavcodec/scpr.c @@ -504,7 +504,7 @@ static int decompress_p(AVCodecContext *avctx, { SCPRContext *s = avctx->priv_data; GetByteContext *gb = &s->gb; - int ret, temp, min, max, x, y, cx = 0, cx1 = 0; + int ret, temp = 0, min, max, x, y, cx = 0, cx1 = 0; int backstep = linesize - avctx->width; const int cxshift = s->cxshift;