From 29692023b2f1e0580a4065f4c9b62bafd89ab337 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 8 May 2017 15:46:55 +0200 Subject: [PATCH] avcodec/bmvvideo: Fix runtime error: left shift of 137 by 24 places cannot be represented in type 'int' Fixes: 1411/clusterfuzz-testcase-minimized-5776085184675840 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/bmvvideo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/bmvvideo.c b/libavcodec/bmvvideo.c index 78a0945b7a..679b14208a 100644 --- a/libavcodec/bmvvideo.c +++ b/libavcodec/bmvvideo.c @@ -107,7 +107,7 @@ static int decode_bmv_frame(const uint8_t *source, int src_len, uint8_t *frame, if (src < source || src >= source_end) return AVERROR_INVALIDDATA; shift += 2; - val |= *src << shift; + val |= (unsigned)*src << shift; if (*src & 0xC) break; }