From: ChenChen Zhou <357726167@qq.com>
Date: Thu, 24 Nov 2022 13:59:21 +0000 (+0800)
Subject: Fix profile crash on memory exhaustion
X-Git-Tag: krb5-1.21-beta1~42
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2929ec400c174bc848a9c438a61b0e3506b91d0e;p=thirdparty%2Fkrb5.git

Fix profile crash on memory exhaustion

In profile_get_values(), if init_list() fails to allocate values.list,
end_list() will dereference a null pointer.  Fix end_list() to handle
list->list being null.

[ghudson@mit.edu: rewrote commit message]

ticket: 9078 (new)
---

diff --git a/src/util/profile/prof_get.c b/src/util/profile/prof_get.c
index 0e14200cab..12c7b9641d 100644
--- a/src/util/profile/prof_get.c
+++ b/src/util/profile/prof_get.c
@@ -62,7 +62,7 @@ static void end_list(struct profile_string_list *list, char ***ret_list)
         *ret_list = list->list;
         return;
     } else {
-        for (cp = list->list; *cp; cp++)
+        for (cp = list->list; cp && *cp; cp++)
             free(*cp);
         free(list->list);
     }