From 2752410c47889a94778a541c09ed29ccce8a8de9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 11 May 2017 21:42:45 +0200 Subject: [PATCH] avcodec/golomb: Fix runtime error: left shift of 1 by 31 places cannot be represented in type 'int' Fixes: 1481/clusterfuzz-testcase-minimized-5264379509473280 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/golomb.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/golomb.h b/libavcodec/golomb.h index 6911759c6b..0833aff468 100644 --- a/libavcodec/golomb.h +++ b/libavcodec/golomb.h @@ -352,7 +352,7 @@ static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit, buf = 0; } - buf += (i << k); + buf += ((SUINT)i << k); } else if (i == limit - 1) { buf = SHOW_UBITS(re, gb, esc_len); LAST_SKIP_BITS(re, gb, esc_len);