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r5532: Patch to detect infinite loops when traversing a tdb from "Shlomi Yaakobovich" <Shlomi@exanet.com>

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Jeremy.
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Jeremy Allison 2005-02-24 01:07:09 +00:00 committed by Gerald (Jerry) Carter
parent 98a07e1520
commit f997c28bb8
1 changed files with 7 additions and 0 deletions
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source/tdb/tdb.c
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@ -1272,6 +1272,13 @@ 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;