From c7b6403ae5fa4ae6f581b45d0e34a9ffe149c3a3 Mon Sep 17 00:00:00 2001
From: Giuseppe Scrivano <gscrivan@redhat.com>
Date: Thu, 2 Aug 2018 14:26:40 +0200
Subject: [PATCH] rootless: do not segfault if the parent already died

Closes: https://github.com/projectatomic/libpod/issues/1189

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
---
 pkg/rootless/rootless_linux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/rootless/rootless_linux.c b/pkg/rootless/rootless_linux.c
index 465feeb57b..84fac238f9 100644
--- a/pkg/rootless/rootless_linux.c
+++ b/pkg/rootless/rootless_linux.c
@@ -97,6 +97,8 @@ reexec_in_user_namespace(int ready)
     return pid;
 
   argv = get_cmd_line_args (ppid);
+  if (argv == NULL)
+    _exit (EXIT_FAILURE);
 
   setenv ("_LIBPOD_USERNS_CONFIGURED", "init", 1);
   setenv ("_LIBPOD_ROOTLESS_UID", uid, 1);