From 384508b2ff69bc3fad1e1c2e7de0dcd0913c6208 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 21 May 2017 01:43:04 +0200 Subject: avcodec/sbrdsp_fixed: fix runtime error: left shift of 1 by 31 places cannot be represented in type 'int' Fixes: part of 1709/clusterfuzz-testcase-minimized-4513580554649600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/sbrdsp_fixed.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libavcodec/sbrdsp_fixed.c') diff --git a/libavcodec/sbrdsp_fixed.c b/libavcodec/sbrdsp_fixed.c index a018b4dd82..59263478d8 100644 --- a/libavcodec/sbrdsp_fixed.c +++ b/libavcodec/sbrdsp_fixed.c @@ -231,11 +231,11 @@ static void sbr_hf_gen_c(int (*X_high)[2], const int (*X_low)[2], static void sbr_hf_g_filt_c(int (*Y)[2], const int (*X_high)[40][2], const SoftFloat *g_filt, int m_max, intptr_t ixh) { - int m, r; + int m; int64_t accu; for (m = 0; m < m_max; m++) { - r = 1 << (22-g_filt[m].exp); + int64_t r = 1LL << (22-g_filt[m].exp); accu = (int64_t)X_high[m][ixh][0] * ((g_filt[m].mant + 0x40)>>7); Y[m][0] = (int)((accu + r) >> (23-g_filt[m].exp)); -- cgit v1.2.3