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From 0754562e13d2e63a248a1c82f90b30bc0ffe307c Mon Sep 17 00:00:00 2001
From: Alex Stewart <alex.stewart@ni.com>
Date: Tue, 10 Oct 2023 16:10:34 -0400
Subject: [PATCH] mat4/mat5: fix int overflow in dataend calculation
--- libsndfile-1.2.0.orig/src/mat4.c
+++ libsndfile-1.2.0/src/mat4.c
@@ -320,7 +320,7 @@ mat4_read_header (SF_PRIVATE *psf)
psf->filelength - psf->dataoffset, psf->sf.channels * psf->sf.frames * psf->bytewidth) ;
}
else if ((psf->filelength - psf->dataoffset) > psf->sf.channels * psf->sf.frames * psf->bytewidth)
- psf->dataend = psf->dataoffset + rows * cols * psf->bytewidth ;
+ psf->dataend = psf->dataoffset + (sf_count_t) rows * (sf_count_t) cols * psf->bytewidth ;
psf->datalength = psf->filelength - psf->dataoffset - psf->dataend ;
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