From 172b60ee7366d5e46b240386824682e4c051ad9e Mon Sep 17 00:00:00 2001

From: Dave Reisner <dreisner@archlinux.org>

Date: Fri, 4 Oct 2013 18:22:40 -0400

Subject: [PATCH] mount: check for NULL before reading pm->what

Since a57f7e2c828b85, a mount unit with garbage in it would cause

systemd to crash on loading it.

ref: https://bugs.freedesktop.org/show_bug.cgi?id=70148

---

 src/core/mount.c | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/mount.c b/src/core/mount.c

index 93bfa99..db055f0 100644

--- a/src/core/mount.c

+++ b/src/core/mount.c

@@ -182,7 +182,7 @@ static int mount_add_mount_links(Mount *m) {

          * for the source path (if this is a bind mount) to be

          * available. */

         pm = get_mount_parameters_fragment(m);

-        if (pm && path_is_absolute(pm->what)) {

+        if (pm && pm->what && path_is_absolute(pm->what)) {

                 r = unit_require_mounts_for(UNIT(m), pm->what);

                 if (r < 0)

                         return r;