linux-kernel - Re: [PATCH] ptrace: Add compat PTRACE

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Message-ID: <20170710162421.GA24729@redhat.com>
Date:   Mon, 10 Jul 2017 18:24:21 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     James Morse <james.morse@....com>
Cc:     linux-kernel@...r.kernel.org,
        Roland McGrath <roland@...k.frob.com>,
        linuxppc-dev@...ts.ozlabs.org,
        Zhou Chengming <zhouchengming1@...wei.com>,
        Yury Norov <ynorov@...iumnetworks.com>,
        Andrey Vagin <avagin@...nvz.org>
Subject: Re: [PATCH] ptrace: Add compat PTRACE_{G,S}ETSIGMASK handlers

On 06/29, James Morse wrote:
>
> compat_ptrace_request() lacks handlers for PTRACE_{G,S}ETSIGMASK,
> instead using those in ptrace_request(). The compat variant should
> read a compat_sigset_t from userspace instead of ptrace_request()s
> sigset_t.

Acked-by: Oleg Nesterov <oleg@...hat.com>