linux-kernel - Re: [PATCH 0/3] namei: fix use-after-free and adjust calling conventions

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Message-ID: <YTffpkfmGBlOsOCa@zeniv-ca.linux.org.uk>
Date:   Tue, 7 Sep 2021 21:54:46 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Stephen Brennan <stephen.s.brennan@...cle.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] namei: fix use-after-free and adjust calling
 conventions

On Tue, Sep 07, 2021 at 02:43:48PM -0700, Stephen Brennan wrote:

> >From the links in the blame it seems this was suggested by Linus
> here[1].  The core frustration having been with the state of
> __filename_create() and friends freeing filenames at different times
> depending on whether an error occurred.

Sure, but that's an argument for IS_ERR(), not the IS_ERR_OR_NULL() shite...