linux-kernel - Re: [PATCH v2] ANDROID: binder: prevent transactions into own process.

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20180328112838.GA26219@kroah.com>
Date:   Wed, 28 Mar 2018 13:28:38 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Martijn Coenen <maco@...roid.com>
Cc:     john.stultz@...aro.org, tkjos@...gle.com, arve@...roid.com,
        amit.pundir@...aro.org, devel@...verdev.osuosl.org,
        maco@...gle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ANDROID: binder: prevent transactions into own
 process.

On Wed, Mar 28, 2018 at 11:14:50AM +0200, Martijn Coenen wrote:
> This can't happen with normal nodes (because you can't get a ref
> to a node you own), but it could happen with the context manager;
> to make the behavior consistent with regular nodes, reject
> transactions into the context manager by the process owning it.
> 
> Reported-by: syzbot+09e05aba06723a94d43d@...kaller.appspotmail.com
> Signed-off-by: Martijn Coenen <maco@...roid.com>
> ---
>  drivers/android/binder.c | 8 ++++++++
>  1 file changed, 8 insertions(+)

What is different from "v2" you sent before this?  No change information
from v1?

I'm totally confused as to which is the "latest" patch here :(

thanks,

greg k-h-