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-rw-r--r--source3/nsswitch/winbindd_cache.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/source3/nsswitch/winbindd_cache.c b/source3/nsswitch/winbindd_cache.c
index 8a1241d8d0..51cba8ec90 100644
--- a/source3/nsswitch/winbindd_cache.c
+++ b/source3/nsswitch/winbindd_cache.c
@@ -2790,9 +2790,12 @@ int winbindd_validate_cache(void)
goto out;
}
+ /* Doh ! Volker is very smart :-). Use TDB_NOMMAP to prevent
+ * any wild pointer references when reading a corrupt tdb file. */
+
tdb = tdb_open_log(cache_path,
WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
- lp_winbind_offline_logon() ? TDB_DEFAULT : (TDB_DEFAULT | TDB_CLEAR_IF_FIRST),
+ lp_winbind_offline_logon() ? TDB_NOMMAP : (TDB_NOMMAP | TDB_CLEAR_IF_FIRST),
O_RDWR|O_CREAT, 0600);
if (!tdb) {
goto out;