linux-kernel - Re: [PATCH v9 08/10] open: openat2(2) syscall

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Message-ID: <20190719021218.GB18022@altlinux.org>
Date:   Fri, 19 Jul 2019 05:12:18 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Aleksa Sarai <cyphar@...har.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Jeff Layton <jlayton@...nel.org>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        David Howells <dhowells@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Christian Brauner <christian@...uner.io>,
        Eric Biederman <ebiederm@...ssion.com>,
        Andy Lutomirski <luto@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Jann Horn <jannh@...gle.com>, Tycho Andersen <tycho@...ho.ws>,
        David Drysdale <drysdale@...gle.com>,
        Chanho Min <chanho.min@....com>,
        Oleg Nesterov <oleg@...hat.com>, Aleksa Sarai <asarai@...e.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        containers@...ts.linux-foundation.org,
        alpha <linux-alpha@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
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        "open list:KERNEL SELFTEST FRAMEWORK" 
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        sparclinux <sparclinux@...r.kernel.org>
Subject: Re: [PATCH v9 08/10] open: openat2(2) syscall

On Thu, Jul 18, 2019 at 11:29:50PM +0200, Arnd Bergmann wrote:
[...]
> 5. you get the same problem with seccomp and strace that
>    clone3() has -- these and others only track the register
>    arguments by default.

Just for the record, this is definitely not the case for strace:
it decodes arrays, structures, netlink messages, and so on by default.


-- 
ldv

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