gentoo-overlay/net-ftp/pure-ftpd/files/pure-ftpd-1.0.49-diraliases_uninitialized_pointer.patch

From 8d0d42542e2cb7a56d645fbe4d0ef436e38bcefa Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Tue, 18 Feb 2020 18:36:58 +0100
Subject: [PATCH] diraliases: always set the tail of the list to NULL

Spotted and reported by Antonio Norales from GitHub Security Labs.
Thanks!
---
 src/diraliases.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/diraliases.c b/src/diraliases.c
index 4002a36..fb70273 100644
--- a/src/diraliases.c
+++ b/src/diraliases.c
@@ -93,7 +93,6 @@ int init_aliases(void)
                 (tail->dir = strdup(dir)) == NULL) {
                 die_mem();
             }
-            tail->next = NULL;
         } else {
             DirAlias *curr;
 
@@ -105,6 +104,7 @@ int init_aliases(void)
             tail->next = curr;
             tail = curr;
         }
+        tail->next = NULL;
     }
     fclose(fp);
     aliases_up++;