File: fix-null-deref.patch

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diff --git a/lib/argp-parse.c b/lib/argp-parse.c
index 6dec57310..900adad54 100644
--- a/lib/argp-parse.c
+++ b/lib/argp-parse.c
@@ -940,7 +940,7 @@ weak_alias (__argp_parse, argp_parse)
 void *
 __argp_input (const struct argp *argp, const struct argp_state *state)
 {
-  if (state)
+  if (state && state->pstate)
     {
       struct group *group;
       struct parser *parser = state->pstate;