From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 22 Aug 2022 12:49:17 +0000 (+0200)
Subject: mkdir: don't allow us to get confused by symlinks in mkdir_p_root()'s chowning logic
X-Git-Tag: v252-rc1~363^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=15e2182fb32a652a6f22d50b14bba4b1976dea8a;p=thirdparty%2Fsystemd.git

mkdir: don't allow us to get confused by symlinks in mkdir_p_root()'s chowning logic
---

diff --git a/src/basic/mkdir.c b/src/basic/mkdir.c
index 8e4849b7926..cd966cba942 100644
--- a/src/basic/mkdir.c
+++ b/src/basic/mkdir.c
@@ -233,7 +233,7 @@ int mkdir_p_root(const char *root, const char *p, uid_t uid, gid_t gid, mode_t m
         if (uid_is_valid(uid) || gid_is_valid(gid)) {
                 _cleanup_close_ int nfd = -1;
 
-                nfd = openat(dfd, bn, O_RDONLY|O_CLOEXEC|O_DIRECTORY);
+                nfd = openat(dfd, bn, O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOFOLLOW);
                 if (nfd < 0)
                         return -errno;