https://bugs.openldap.org/show_bug.cgi?id=9449
Issue ID: 9449
Summary: When the "lockdetect" is setted in slapd.conf, the db
deadlock detected policy is setted incorrected
Product: OpenLDAP
Version: 2.4.57
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: ---
Component: slapd
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
I have the "lockdetect random" setted in slapd.conf,the expected deadlock
detected policy is "DB_LOCK_RANDOM" but I got the valude "DB_LOCK_EXPIRE".
After many search of the source file, the lockdetect parse source is found on
openldap-2.4.57\servers\slapd\back-bdb\config.c :Line 894-903
---------------------
case BDB_LOCKD:
rc = verb_to_mask( c->argv[1], bdb_lockd );
if ( BER_BVISNULL(&bdb_lockd[rc].word) ) {
fprintf( stderr, "%s: "
"bad policy (%s) in \"lockDetect <policy>\" line\n",
c->log, c->argv[1] );
return 1;
}
bdb->bi_lock_detect = (u_int32_t)rc;
break;
---------------------
After analyse the verb_to_mask's return value, the "rc" is the index of the
bdb_lockd's setting items. So it can't be passwd to bi_lock_detect.
The right value is The "bdb_lockd[rc].mask".
I think it is a bug, my recommendation fix is like the next.
bdb->bi_lock_detect = (u_int32_t)rc;
->
bdb->bi_lock_detect = bdb_lockd[rc].mask;
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