debian/patches/fixes/0009-conf-fix-temporary-file-creation.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Christian Brauner <christian.brauner@ubuntu.com>
   3 Date: Fri, 6 Apr 2018 10:54:02 +0200
   4 Subject: [PATCH] conf: fix temporary file creation
   5
   6 lxc_make_tmpfile() uses mkstemp() internally, and thus expects the
   7 template to contain 'XXXXXX' and be writable.
   8
   9 Signed-off-by: Thomas Moschny <thomas.moschny@gmx.de>
  10 Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
  11 ---
  12  src/lxc/conf.c | 5 ++++-
  13  1 file changed, 4 insertions(+), 1 deletion(-)
  14
  15 diff --git a/src/lxc/conf.c b/src/lxc/conf.c
  16 index a604adbb..c1193675 100644
  17 --- a/src/lxc/conf.c
  18 +++ b/src/lxc/conf.c
  19 @@ -2277,9 +2277,12 @@ FILE *make_anonymous_mount_file(struct lxc_list *mount)
  20
  21         fd = memfd_create(".lxc_mount_file", MFD_CLOEXEC);
  22         if (fd < 0) {
  23 +               char template[] = P_tmpdir "/.lxc_mount_file_XXXXXX";
  24 +
  25                 if (errno != ENOSYS)
  26                         return NULL;
  27 -               fd = lxc_make_tmpfile((char *){P_tmpdir "/.lxc_mount_file"}, true);
  28 +
  29 +               fd = lxc_make_tmpfile(template, true);
  30                 if (fd < 0) {
  31                         SYSERROR("Could not create temporary mount file");
  32                         return NULL;
  33 --
  34 2.11.0
  35