conf: use O_CLOEXEC in lxc_pivot_root()

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

conf: use O_CLOEXEC in lxc_pivot_root()
7ce7e5dc · Christian Brauner · 8e64138c · 7ce7e5dc
Unverified Commit 7ce7e5dc authored Oct 20, 2018 by Christian Brauner
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conf.c src/lxc/conf.c +2 -2

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--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -1472,13 +1472,13 @@ static int lxc_pivot_root(const char *rootfs)
 	int oldroot;
 	int newroot = -1, ret = -1;
-	oldroot = open("/", O_DIRECTORY | O_RDONLY);
+	oldroot = open("/", O_DIRECTORY | O_RDONLY | O_CLOEXEC);
 	if (oldroot < 0) {
 		SYSERROR("Failed to open old root directory");
 		return -1;
 	}
-	newroot = open(rootfs, O_DIRECTORY | O_RDONLY);
+	newroot = open(rootfs, O_DIRECTORY | O_RDONLY | O_CLOEXEC);
 	if (newroot < 0) {
 		SYSERROR("Failed to open new root directory");
 		goto on_error;