linux-kernel - Re: (subset) [PATCH V2 1/3] pstore: Alert on backend write error

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: <166576925933.1456464.14312248515298828648.b4-ty@chromium.org>
Date:   Fri, 14 Oct 2022 10:41:06 -0700
From:   Kees Cook <keescook@...omium.org>
To:     gpiccoli@...lia.com, linux-hardening@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Kees Cook <keescook@...omium.org>, ardb@...nel.org,
        linux-efi@...r.kernel.org, anton@...msg.org,
        linux-fsdevel@...r.kernel.org, Tony Luck <tony.luck@...el.com>,
        ccross@...roid.com, kernel-dev@...lia.com, kernel@...ccoli.net
Subject: Re: (subset) [PATCH V2 1/3] pstore: Alert on backend write error

On Thu, 13 Oct 2022 18:06:46 -0300, Guilherme G. Piccoli wrote:
> The pstore dump function doesn't alert at all on errors - despite
> pstore is usually a last resource and if it fails users won't be
> able to read the kernel log, this is not the case for server users
> with serial access, for example.
> 
> So, let's at least attempt to inform such advanced users on the first
> backend writing error detected during the kmsg dump - this is also
> very useful for pstore debugging purposes.
> 
> [...]

Applied to for-next/pstore, thanks!

[1/3] pstore: Alert on backend write error
      https://git.kernel.org/kees/c/f181c1af1385

-- 
Kees Cook