From f1dba8ec85896530431c3f9069394e83d9c1b0cc Mon Sep 17 00:00:00 2001
From: Michal Zidek <mzidek@redhat.com>
Date: Fri, 13 Sep 2013 17:41:28 +0200
Subject: Check slot validity before MC_SLOT_TO_PTR.

resolves:
https://fedorahosted.org/sssd/ticket/2049
---
 src/sss_client/nss_mc_common.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/sss_client')

diff --git a/src/sss_client/nss_mc_common.c b/src/sss_client/nss_mc_common.c
index a0a70abc0..6764d801f 100644
--- a/src/sss_client/nss_mc_common.c
+++ b/src/sss_client/nss_mc_common.c
@@ -190,6 +190,10 @@ errno_t sss_nss_mc_get_record(struct sss_cli_mc_ctx *ctx,
     int count;
     int ret;
 
+    if (!MC_SLOT_WITHIN_BOUNDS(slot, ctx->dt_size)) {
+        return EINVAL;
+    }
+
     /* try max 5 times */
     for (count = 5; count > 0; count--) {
         rec = MC_SLOT_TO_PTR(ctx->data_table, slot, struct sss_mc_rec);
-- 
cgit