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-rw-r--r--lib/tdb/common/tdb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/tdb/common/tdb.c b/lib/tdb/common/tdb.c
index 8c61ec1a89..b59bb1571c 100644
--- a/lib/tdb/common/tdb.c
+++ b/lib/tdb/common/tdb.c
@@ -96,6 +96,11 @@ static tdb_off_t tdb_find(struct tdb_context *tdb, TDB_DATA key, uint32_t hash,
NULL) == 0) {
return rec_ptr;
}
+ /* detect tight infinite loop */
+ if (rec_ptr == r->next) {
+ TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_find: loop detected.\n"));
+ return TDB_ERRCODE(TDB_ERR_CORRUPT, 0);
+ }
rec_ptr = r->next;
}
return TDB_ERRCODE(TDB_ERR_NOEXIST, 0);