From: "Dmitry V. Levin" <ldv@altlinux.org>
To: Kees Cook <keescook@chromium.org>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
Andy Lutomirski <luto@amacapital.net>,
Will Drewry <wad@chromium.org>
Subject: Re: [PATCH] seccomp: cap SECCOMP_RET_ERRNO data to MAX_ERRNO
Date: Sat, 7 Feb 2015 01:32:07 +0300 [thread overview]
Message-ID: <20150206223207.GA3829@altlinux.org> (raw)
In-Reply-To: <20150206210309.GA32377@www.outflux.net>
On Fri, Feb 06, 2015 at 01:03:09PM -0800, Kees Cook wrote:
> The value resulting from the SECCOMP_RET_DATA mask could exceed MAX_ERRNO
> when setting errno during a SECCOMP_RET_ERRNO filter action. This makes sure
> we have a reliable value being set, so that an invalid errno will not be
> ignored by userspace.
Acked-by: Dmitry V. Levin <ldv@altlinux.org>
--
ldv
prev parent reply other threads:[~2015-02-06 22:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-06 21:03 [PATCH] seccomp: cap SECCOMP_RET_ERRNO data to MAX_ERRNO Kees Cook
2015-02-06 22:32 ` Dmitry V. Levin [this message]
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