rootless: do not segfault if the parent already died

Signed-off-by: Giuseppe Scrivano <[email protected]>
containers · Aug 2, 2018 · bcf347c · bcf347c
1 parent a8ae7ea
commit bcf347c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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);