From mboxrd@z Thu Jan  1 00:00:00 1970
From: Aleksa Sarai <cyphar@cyphar.com>
Subject: Re: [PATCH v10 8/9] kselftest: save-and-restore errno to allow for
 %m formatting
Date: Sat, 20 Jul 2019 10:09:30 +1000
Message-ID: <20190720000930.g3jyjupgimptuubl@yavin>
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To: shuah <shuah@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>, Jeff Layton <jlayton@kernel.org>, "J. Bruce Fields" <bfields@fieldses.org>, Arnd Bergmann <arnd@arndb.de>, David Howells <dhowells@redhat.com>, Shuah Khan <skhan@linuxfoundation.org>, Eric Biederman <ebiederm@xmission.com>, Andy Lutomirski <luto@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Alexei Starovoitov <ast@kernel.org>, Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>, Christian Brauner <christian@brauner.io>, Tycho Andersen <tycho@tycho.ws>, David Drysdale <drysdale@google.com>, Chanho Min <chanho.min@lge.com>, Oleg Nesterov <oleg@redhat.com>, Aleksa Sarai <asarai@suse.de>, Linus Torvalds <torvalds@linux-foundation.org>, containers@lists.linux-foundation.org, linux-alpha@vger
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On 2019-07-19, shuah <shuah@kernel.org> wrote:
> On 7/19/19 10:42 AM, Aleksa Sarai wrote:
> > Previously, using "%m" in a ksft_* format string can result in strange
> > output because the errno value wasn't saved before calling other libc
> > functions. The solution is to simply save and restore the errno before
> > we format the user-supplied format string.
> >=20
> > Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
> [...]
> Hi Aleksa,
>=20
> Can you send this patch separate from the patch series. I will apply
> this as bug fix to 5.3-rc2 or rc3.
>=20
> This isn't part of this series anyway and I would like to get this in
> right away.

Done, and I'll drop it in v11 after the rest gets reviewed.

--=20
Aleksa Sarai
Senior Software Engineer (Containers)
SUSE Linux GmbH
<https://www.cyphar.com/>

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