From 95db0aa276feca1e818c59f9905927a5932e881c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 3 Sep 2015 09:22:31 +0200 Subject: [PATCH] swresample/swresample: Fix integer overflow in seed calculation Fixes CID1322333 Signed-off-by: Michael Niedermayer (cherry picked from commit 32f53958b8f6ed4c3c2a7447c1e47d012796fae2) Signed-off-by: Michael Niedermayer --- libswresample/swresample.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libswresample/swresample.c b/libswresample/swresample.c index 693a403f90..400b529785 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -643,7 +643,7 @@ static int swr_convert_internal(struct SwrContext *s, AudioData *out, int out_co return ret; if(ret) for(ch=0; chdither.noise.ch_count; ch++) - if((ret=swri_get_dither(s, s->dither.noise.ch[ch], s->dither.noise.count, 12345678913579<dither.noise.fmt))<0) + if((ret=swri_get_dither(s, s->dither.noise.ch[ch], s->dither.noise.count, (12345678913579ULL*ch + 3141592) % 2718281828U, s->dither.noise.fmt))<0) return ret; av_assert0(s->dither.noise.ch_count == preout->ch_count);