linux-kernel - Re: [PATCH] powerpc: Remove double free

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 15 May 2019 13:30:19 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     "Tobin C. Harding" <tobin@...nel.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: Remove double free

On Wed, May 15, 2019 at 11:26:03AM +0200, Christophe Leroy wrote:
> kobject_put() released index_dir->kobj

Yes, but what is that kobject enclosed in?

> but who will release 'index' ?

The final kobject_put() will do that, see cacheinfo_create_index_dir()
for the details.

And please do not top-post, you lost all context.

greg k-h