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, 24 Apr 2019 23:24:31 +0100
From:   David Howells <>
To:     Jann Horn <>
Cc:, "Eric W. Biederman" <>,,
        linux-security-module <>,
        linux-fsdevel <>,
        kernel list <>,,
Subject: Re: [PATCH 07/11] keys: Move the user and user-session keyrings to the user_namespace

Jann Horn <> wrote:

> Overall, this looks good to me, apart from some details.
> The user_keyring_register keyring is basically just used like an
> xarray/idr/... that maps from namespaced UIDs to keyrings, right? (Not
> saying it's a bad idea, just want to make sure I understand it
> correctly.)

Well, a keyring is a wrapper around an assoc_array object, the keyring search
functions do the access checks and the keys garbage collector does the
cleanup.  Also, each UID is mapped to two keyrings.

I'll have a look at applying the rest of your comments tomorrow.


Powered by blists - more mailing lists