From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 29 Jun 2021 08:31:17 +0000 (+0200)
Subject: initutils: use vfork() in lxc_container_init()
X-Git-Tag: lxc-5.0.0~150^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d65e5e492f740bbb50e3005f97420c3ddae3d595;p=thirdparty%2Flxc.git

initutils: use vfork() in lxc_container_init()

We can let the child finish calling exec before continuing in the
parent.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/initutils.c b/src/lxc/initutils.c
index f1b012b77..21a7c1a05 100644
--- a/src/lxc/initutils.c
+++ b/src/lxc/initutils.c
@@ -510,7 +510,7 @@ __noreturn int lxc_container_init(int argc, char *const *argv, bool quiet)
 
 	remove_self();
 
-	pid = fork();
+	pid = vfork();
 	if (pid < 0)
 		exit(EXIT_FAILURE);