From: Christian Brauner <christian@brauner.io>
To: "Dmitry V. Levin" <ldv@altlinux.org>
Cc: linux-ia64@vger.kernel.org,
Linux-sh list <linux-sh@vger.kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
David Howells <dhowells@redhat.com>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>,
sparclinux <sparclinux@vger.kernel.org>,
Shuah Khan <shuah@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Tycho Andersen <tycho@tycho.ws>, Aleksa Sarai <asarai@suse.de>,
linux-mips@vger.kernel.org, linux-xtensa@linux-xtensa.org,
Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
Jann Horn <jannh@google.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Aleksa Sarai <cyphar@cyphar.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Andy Lutomirski <luto@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>,
David Drysdale <drysdale@google.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
"J. Bruce Fields" <bfields@fieldses.org>,
Parisc List <linux-parisc@vger.kernel.org>,
linux-m68k <linux-m68k@lists.linux-m68k.org>,
Linux API <linux-api@vger.kernel.org>,
Chanho Min <chanho.min@lge.com>, Jeff Layton <jlayton@kernel.org>,
Oleg Nesterov <oleg@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
alpha <linux-alpha@vger.kernel.org>,
Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
containers@lists.linux-foundation.org
Subject: Re: [PATCH v9 08/10] open: openat2(2) syscall
Date: Fri, 19 Jul 2019 12:29:41 +0200 [thread overview]
Message-ID: <20190719102932.274pvmxnrbjcc6gu@brauner.io> (raw)
In-Reply-To: <20190719021218.GB18022@altlinux.org>
On Fri, Jul 19, 2019 at 05:12:18AM +0300, Dmitry V. Levin wrote:
> 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.
There sure is value in trying to design syscalls that can be handled
nicely by seccomp but that shouldn't become a burden on designing
extensible syscalls.
I suggested a session for Ksummit where we can discuss if and how we can
make seccomp more compatible with pointer-args in syscalls.
Christian
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-07-19 10:30 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-06 14:57 [PATCH v9 00/10] namei: openat2(2) path resolution restrictions Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 01/10] namei: obey trailing magic-link DAC permissions Aleksa Sarai
2019-07-12 4:14 ` Al Viro
2019-07-12 6:36 ` Al Viro
2019-07-12 12:20 ` Aleksa Sarai
2019-07-12 13:10 ` Al Viro
2019-07-14 7:11 ` Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 02/10] procfs: switch magic-link modes to be more sane Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 03/10] open: O_EMPTYPATH: procfs-less file descriptor re-opening Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 04/10] namei: split out nd->dfd handling to dirfd_path_init Aleksa Sarai
2019-07-12 4:20 ` Al Viro
2019-07-12 12:07 ` Aleksa Sarai
2019-07-12 12:12 ` Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 05/10] namei: O_BENEATH-style path resolution flags Aleksa Sarai
2019-07-12 4:33 ` Al Viro
2019-07-12 10:57 ` Aleksa Sarai
2019-07-12 12:39 ` Al Viro
2019-07-12 12:55 ` Al Viro
2019-07-12 13:25 ` Al Viro
2019-07-12 15:00 ` Al Viro
2019-07-13 2:41 ` Al Viro
2019-07-14 3:58 ` Al Viro
2019-07-16 8:03 ` Aleksa Sarai
2019-07-14 7:00 ` Aleksa Sarai
2019-07-14 14:36 ` Al Viro
2019-07-18 3:17 ` Aleksa Sarai
2019-07-14 10:31 ` Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 06/10] namei: LOOKUP_IN_ROOT: chroot-like path resolution Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 07/10] namei: aggressively check for nd->root escape on ".." resolution Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 08/10] open: openat2(2) syscall Aleksa Sarai
2019-07-18 14:48 ` Rasmus Villemoes
2019-07-18 15:21 ` Aleksa Sarai
2019-07-18 15:10 ` Arnd Bergmann
2019-07-18 16:12 ` Aleksa Sarai
2019-07-18 21:29 ` Arnd Bergmann
2019-07-19 2:12 ` Dmitry V. Levin
2019-07-19 10:29 ` Christian Brauner [this message]
2019-07-19 1:59 ` Dmitry V. Levin
2019-07-19 2:19 ` Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 09/10] kselftest: save-and-restore errno to allow for %m formatting Aleksa Sarai
2019-07-06 14:57 ` [PATCH v9 10/10] selftests: add openat2(2) selftests Aleksa Sarai
2019-07-08 1:15 ` Michael Ellerman
2019-07-08 5:47 ` Aleksa Sarai
2019-07-12 15:11 ` [PATCH v9 00/10] namei: openat2(2) path resolution restrictions Al Viro
2019-07-12 15:32 ` Aleksa Sarai
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190719102932.274pvmxnrbjcc6gu@brauner.io \
--to=christian@brauner.io \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=asarai@suse.de \
--cc=ast@kernel.org \
--cc=bfields@fieldses.org \
--cc=chanho.min@lge.com \
--cc=containers@lists.linux-foundation.org \
--cc=cyphar@cyphar.com \
--cc=dhowells@redhat.com \
--cc=drysdale@google.com \
--cc=ebiederm@xmission.com \
--cc=jannh@google.com \
--cc=jlayton@kernel.org \
--cc=keescook@chromium.org \
--cc=ldv@altlinux.org \
--cc=linux-alpha@vger.kernel.org \
--cc=linux-api@vger.kernel.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-ia64@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-m68k@lists.linux-m68k.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux-sh@vger.kernel.org \
--cc=linux-xtensa@linux-xtensa.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=luto@kernel.org \
--cc=oleg@redhat.com \
--cc=shuah@kernel.org \
--cc=skhan@linuxfoundation.org \
--cc=sparclinux@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=tycho@tycho.ws \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).