linux-kernel - Re: [PATCH v2] x86/syscalls: Mark expected switch fall-throughs

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: <20190327012606.GA16532@altlinux.org>
Date:   Wed, 27 Mar 2019 04:26:06 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Oleg Nesterov <oleg@...hat.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Andy Lutomirski <luto@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH v2] x86/syscalls: Mark expected switch fall-throughs

On Tue, Mar 26, 2019 at 04:12:45PM +0100, Oleg Nesterov wrote:
> On 03/23, Thomas Gleixner wrote:
[...]
> >  2) syscall_set_arguments() has been introduced in 2008 and we still have
> >     no caller. Instead of polishing it, can it be removed completely or are
> >     there plans to actually use it?
> 
> I think it can die.

When PTRACE_GET_SYSCALL_INFO is finally squeezed into the kernel,
we could discuss adding PTRACE_SET_SYSCALL_INFO as well, and it
will need syscall_set_arguments().


-- 
ldv

Download attachment "signature.asc" of type "application/pgp-signature" (802 bytes)