debian/patches/fixes/0010-ringbuf-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 10:54:41 +0200
   4 Subject: [PATCH] ringbuf: 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/ringbuf.c | 4 +++-
  13  1 file changed, 3 insertions(+), 1 deletion(-)
  14
  15 diff --git a/src/lxc/ringbuf.c b/src/lxc/ringbuf.c
  16 index 1299fe70..7aa2e631 100644
  17 --- a/src/lxc/ringbuf.c
  18 +++ b/src/lxc/ringbuf.c
  19 @@ -52,10 +52,12 @@ int lxc_ringbuf_create(struct lxc_ringbuf *buf, size_t size)
  20
  21         memfd = memfd_create(".lxc_ringbuf", MFD_CLOEXEC);
  22         if (memfd < 0) {
  23 +               char template[] = P_tmpdir "/.lxc_ringbuf_XXXXXX";
  24 +
  25                 if (errno != ENOSYS)
  26                         goto on_error;
  27
  28 -               memfd = lxc_make_tmpfile((char *){P_tmpdir"/.lxc_ringbuf_XXXXXX"}, true);
  29 +               memfd = lxc_make_tmpfile(template, true);
  30         }
  31         if (memfd < 0)
  32                 goto on_error;
  33 --
  34 2.11.0
  35