From 67d030787e0b9b5350545bf2d2d64642d2c5ccb7 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 e41fbbec13..5714e25170 100644 --- a/libavcodec/scpr.c +++ b/libavcodec/scpr.c @@ -512,7 +512,7 @@ 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; if (bytestream2_get_byte(gb) == 0)