From 0783f9f9ff426b33b73a5d34df668a8dadb7cf2e Mon Sep 17 00:00:00 2001
From: Reiner Herrmann <reiner@reiner-h.de>
Date: Thu, 13 May 2021 23:48:30 +0200
Subject: check if allocation was successful

See #4274
---
 src/firejail/sbox.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/firejail/sbox.c b/src/firejail/sbox.c
index f9c41f661..4a8dd1bf7 100644
--- a/src/firejail/sbox.c
+++ b/src/firejail/sbox.c
@@ -248,7 +248,9 @@ int sbox_run(unsigned filtermask, int num, ...) {
 	va_start(valist, num);
 
 	// build argument list
-	char **arg = malloc((num + 1) * sizeof(char *));
+	char **arg = calloc(num + 1, sizeof(char *));
+	if (!arg)
+		errExit("calloc");
 	int i;
 	for (i = 0; i < num; i++)
 		arg[i] = va_arg(valist, char *);
-- 
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