From 6b9cb5d26a2d9905093621d12785bc5903dce66d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 28 May 2017 18:09:47 +0200 Subject: avcodec/aacdec_fixed: Fix runtime error: left shift of 1 by 31 places cannot be represented in type 'int' Fixes: 1878/clusterfuzz-testcase-minimized-6441918630199296 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/aacdec_fixed.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libavcodec/aacdec_fixed.c') diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index 950ce20f80..d8786dff43 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -211,8 +211,8 @@ static void noise_scale(int *coefs, int scale, int band_energy, int len) for (i=0; i 0) { - round = 1 << (s-1); + } else if (s >= 0) { + round = s ? 1 << (s-1) : 0; for (i=0; i> 32); coefs[i] = ((int)(out+round) >> s) * ssign; -- cgit v1.2.3