From a59505ca76718549dfc51b9622e2d88cb60f33b5 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 21 Feb 2017 16:38:00 +0100 Subject: avcodec/gsmdec_template: Fix runtime error: signed integer overflow: -22527 * 99113 cannot be represented in type 'int' Fixes: 636/clusterfuzz-testcase-6520876646268928 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/gsmdec_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/gsmdec_template.c') diff --git a/libavcodec/gsmdec_template.c b/libavcodec/gsmdec_template.c index 9b3c0e9719..4e40a20106 100644 --- a/libavcodec/gsmdec_template.c +++ b/libavcodec/gsmdec_template.c @@ -41,7 +41,7 @@ static void apcm_dequant_add(GetBitContext *gb, int16_t *dst, const int *frame_b static inline int gsm_mult(int a, int b) { - return (a * b + (1 << 14)) >> 15; + return (int)(a * (SUINT)b + (1 << 14)) >> 15; } static void long_term_synth(int16_t *dst, int lag, int gain_idx) -- cgit v1.2.3