From 0f34c0789f855f04dce518ffc93a01bb943ba1aa Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 21 Mar 2017 02:20:35 +0100 Subject: [PATCH] avcodec/pictordec: runtime error: left shift of 15 by 28 places cannot be represented in type 'int' Fixes: 898/clusterfuzz-testcase-6149765467209728 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 8b075bfd0c..b29a484534 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; - unsigned mask = ((1 << bits_per_plane) - 1) << shift; + unsigned mask = ((1U << bits_per_plane) - 1) << shift; value <<= shift; while (run > 0) {