>From 824a796b2625ce135c98b3557c829dfe2f0d9cc8 Mon Sep 17 00:00:00 2001 From: Jakub Hrozek Date: Mon, 15 Oct 2012 17:39:14 +0200 Subject: [PATCH] LDAP: Check validity of naming_context https://fedorahosted.org/sssd/ticket/1581 If the namingContext attribute had no values or multiple values, then our code would dereference a NULL pointer. --- src/providers/ldap/sdap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/providers/ldap/sdap.c b/src/providers/ldap/sdap.c index cdc8b1f18cb38b43a83d734bb5237d5379831b53..f5b1f95f0eaa8e6b5ea9d77c1d7226c05d366104 100644 --- a/src/providers/ldap/sdap.c +++ b/src/providers/ldap/sdap.c @@ -746,7 +746,7 @@ static char *get_naming_context(TALLOC_CTX *mem_ctx, * a zero-length namingContexts value in some situations. In this * case, we should return it as NULL so things fail gracefully. */ - if (naming_context[0] == '\0') { + if (naming_context && naming_context[0] == '\0') { talloc_zfree(naming_context); } -- 1.7.12.1