Re: (ITS#7915) pcache and translucent crashes OL

[hyc@symas.com]

nvoutsin@gmail.com wrote:
> Full_Name: Nikos Voutsinas
> Version: 2.4.39
> OS: Debian
> URL: http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-trasnlucent(bdb)-pcache(bdb)-config.ldif  http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-translucent(bdb)-pcache(bdb)-debug(-1).txt http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-trasnlucent(bdb)-pcache%mdmdb)-config.ldif http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-translucent(bdb)-pcache(mdb)-debug(-1).txt http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-trasnlucent(mdb)-pcache(mdb)-config.ldif http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-translucent(mdb)-pcache(mdb)-debug(-1).txt http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-trasnlucent(mdb)-pcache(bdb)-config.ldif http://users.uoa.gr/~nvoutsin/OpenLdap_ITS/add-translucent(mdb)-pcache(bdb)-debug(-1).txt
> Submission from: (NULL) (5.54.11.83)

Thanks for the report, fixed in git master.

> The combination of translucent and pcache overlays crashes OL or makes it
> unresponsive. Any attempt to modify an object on the replica by using the
> following ldif:
>
> dn: uid=joe,dc=foo,dc=com
> changetype: modify
> add: description
> description: first
> -
>
> dn: uid=joe,dc=foo,dc=com
> changetype: modify
> replace: description
> description: second
> -
>
> cause OL to fail either during the modification or on the subsequent operation.
> Specifically, OL behaves differently depending on the type of database backends
> that are used for translucent and pcache DBs, as it is shown below:
>
> translucent db,pcache db: comment
> bdb,bdb: freezes on the second modify op
> bdb,mdb: crashes on the secend modify op (invalid pointer)
> mdb,mdb: completes the modify ops. crashes on the first search on object
> mdb,bdb: completes the modify ops. crashes, if not on the first, then on
> subsequent op
>
> Attached files: a)the cn=config ldif for each of the above cases and b)the
> corresponding debug output during the modification of the user object or if that
> completes during the subsequent search on it.
>
>
>
>


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