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| author | Jeremy Allison <jra@samba.org> | 2005-02-24 01:10:57 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:10:53 -0500 |
| commit | b14727583d6108f11427ec8033986e9d617320c5 (patch) | |
| tree | 74fe049d780fd12c91c4921e2ad5ebf80734524c /source4/lib/tdb/common/tdb.c | |
| parent | 09879ff119838535a9c5daeb33f62c126b76fe25 (diff) | |
| download | samba-b14727583d6108f11427ec8033986e9d617320c5.tar.gz samba-b14727583d6108f11427ec8033986e9d617320c5.tar.bz2 samba-b14727583d6108f11427ec8033986e9d617320c5.zip | |
r5533: Patch to detect infinite loops when traversing a tdb from "Shlomi Yaakobovich" <Shlomi@exanet.com>
Jeremy.
(This used to be commit 84f6d2b3dd29c1aa478708db9617a79382158f64)
Diffstat (limited to 'source4/lib/tdb/common/tdb.c')
| -rw-r--r-- | source4/lib/tdb/common/tdb.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/source4/lib/tdb/common/tdb.c b/source4/lib/tdb/common/tdb.c index 134ee8a4ea..90b586d487 100644 --- a/source4/lib/tdb/common/tdb.c +++ b/source4/lib/tdb/common/tdb.c @@ -1314,6 +1314,13 @@ static int tdb_next_lock(TDB_CONTEXT *tdb, struct tdb_traverse_lock *tlock, goto fail; return tlock->off; } + + /* Detect infinite loops. From "Shlomi Yaakobovich" <Shlomi@exanet.com>. */ + if (tlock->off == rec->next) { + TDB_LOG((tdb, 0, "tdb_next_lock: loop detected.\n")); + goto fail; + } + /* Try to clean dead ones from old traverses */ current = tlock->off; tlock->off = rec->next; |