From 0728d9a281068add5898a8b51cd9c6f3b973ea31 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 13 Mar 2017 20:45:07 +0100 Subject: [PATCH] avcodec/pictordec: Fix runtime error: left shift of 805306368 by 2 places cannot be represented in type 'int' Fixes: 823/clusterfuzz-testcase-6727060074528768 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/pictordec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/pictordec.c b/libavcodec/pictordec.c index 2dbc040b5c..8b075bfd0c 100644 --- a/libavcodec/pictordec.c +++ b/libavcodec/pictordec.c @@ -62,7 +62,7 @@ static void picmemset(PicContext *s, AVFrame *frame, unsigned value, int run, { uint8_t *d; int shift = *plane * bits_per_plane; - int mask = ((1 << bits_per_plane) - 1) << shift; + unsigned mask = ((1 << bits_per_plane) - 1) << shift; value <<= shift; while (run > 0) {