linux-kernel - Re: [PATCH driver-core 2/2] test_firmware: fix setting old custom fw path back on exit, second try

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]

Message-ID: <20180418203808.GQ30543@wotan.suse.de>
Date:   Wed, 18 Apr 2018 22:38:09 +0200
From:   "Luis R. Rodriguez" <mcgrof@...nel.org>
To:     Ben Hutchings <ben.hutchings@...ethink.co.uk>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Luis R. Rodriguez" <mcgrof@...nel.org>,
        Shuah Khan <shuah@...nel.org>, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH driver-core 2/2] test_firmware: fix setting old custom fw
 path back on exit, second try

On Wed, Apr 04, 2018 at 10:38:49PM +0200, Ben Hutchings wrote:
> Commit 65c79230576 tried to clear the custom firmware path on exit by
> writing a single space to the firmware_class.path parameter.  This
> doesn't work because nothing strips this space from the value stored
> and fw_get_filesystem_firmware() only ignores zero-length paths.
> 
> Instead, write a null byte.
> 
> Fixes: 0a8adf58475 ("test: add firmware_class loader test")
> Fixes: 65c79230576 ("test_firmware: fix setting old custom fw path back on exit")
> Signed-off-by: Ben Hutchings <ben.hutchings@...ethink.co.uk>

Acked-by: Luis R. Rodriguez <mcgrof@...nel.org>

Greg, let me know if you want to take these two in now, or if you want me to
queue them up on my own and then send you what I get in the queue later.

  Luis