From: "H. Peter Anvin" <hpa@zytor.com>
To: Paul Moore <pmoore@redhat.com>, Richard Guy Briggs <rgb@redhat.com>
Cc: linux-audit@redhat.com, linux-kernel@vger.kernel.org,
Eric Paris <eparis@redhat.com>, Al Viro <aviro@redhat.com>,
Will Drewry <wad@chromium.org>
Subject: Re: [PATCH 2/3] [RFC] seccomp: give BPF x32 bit when restoring x32 filter
Date: Fri, 11 Jul 2014 09:44:52 -0700 [thread overview]
Message-ID: <53C01484.8080609@zytor.com> (raw)
In-Reply-To: <8897229.50V8e7SIxg@sifl>
On 07/11/2014 09:36 AM, Paul Moore wrote:
>
> Arguably audit is broken anyway by not correctly treating syscall numbers as
> 32 bit integers like everyone else.
>
That is really the root cause of the problem. x86 is not the only
architecture with a sparse syscall numbering scheme (in fact the x32
method was based on the MIPS syscall numbering scheme.)
What syscall_get_nr() returns becomes a matter of definition at that point.
-hpa
next prev parent reply other threads:[~2014-07-11 16:44 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-11 3:38 [PATCH 0/3] [RFC] X32: fix syscall_get_nr while not breaking seccomp BPF Richard Guy Briggs
2014-07-11 3:38 ` Richard Guy Briggs
2014-07-11 3:38 ` [PATCH 1/3] [RFC] audit: add AUDIT_ARCH_X86_X32 arch definition Richard Guy Briggs
2014-07-11 16:15 ` Paul Moore
2014-07-11 3:38 ` [PATCH 2/3] [RFC] seccomp: give BPF x32 bit when restoring x32 filter Richard Guy Briggs
2014-07-11 3:38 ` Richard Guy Briggs
2014-07-11 4:06 ` H. Peter Anvin
2014-07-11 16:11 ` Paul Moore
2014-07-11 16:13 ` H. Peter Anvin
2014-07-11 16:16 ` Eric Paris
2014-07-11 16:21 ` Paul Moore
2014-07-11 16:23 ` Eric Paris
2014-07-11 16:30 ` H. Peter Anvin
2014-07-11 16:32 ` Paul Moore
2014-07-11 18:31 ` Eric Paris
2014-07-11 19:36 ` Paul Moore
2014-07-11 22:48 ` Kees Cook
2014-07-11 22:52 ` Kees Cook
2014-07-11 22:55 ` H. Peter Anvin
2014-07-11 23:02 ` Kees Cook
2014-07-11 23:12 ` Andy Lutomirski
2014-07-11 16:36 ` Paul Moore
2014-07-11 16:44 ` H. Peter Anvin [this message]
2014-07-11 3:38 ` [PATCH 3/3] [RFC] Revert "x86: remove the x32 syscall bitmask from syscall_get_nr()" Richard Guy Briggs
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