From 0372ae8ba59e397565ac19520b075d15d561a2c1 Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Thu, 13 Dec 2018 15:40:24 +0100
Subject: [PATCH] mindtct: Check for multiplication overflow in
alloc_power_stats()
Assert if any of the multiplications, which are then used to allocate
memory, would overflow.
Closes: #91
---
libfprint/nbis/mindtct/init.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libfprint/nbis/mindtct/init.c b/libfprint/nbis/mindtct/init.c
index fd65f9c..9015228 100644
--- a/libfprint/nbis/mindtct/init.c
+++ b/libfprint/nbis/mindtct/init.c
@@ -693,6 +693,9 @@ int alloc_power_stats(int **owis, double **opowmaxs, int **opowmax_dirs,
int *wis, *powmax_dirs;
double *powmaxs, *pownorms;
+ ASSERT_SIZE_MUL(nstats, sizeof(int));
+ ASSERT_SIZE_MUL(nstats, sizeof(double));
+
/* Allocate DFT wave index vector */
wis = (int *)malloc(nstats * sizeof(int));
if(wis == (int *)NULL){