From: Will Deacon <will@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
Will Deacon <will.deacon@arm.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Oleg Nesterov <oleg@redhat.com>,
Timothy Baldwin <T.E.Baldwin99@members.leeds.ac.uk>,
Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>,
kernel-team@android.com, Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH] arm64: ptrace: Fix seccomp of traced syscall -1 (NO_SYSCALL)
Date: Thu, 25 Feb 2021 11:02:18 +0000 [thread overview]
Message-ID: <161424885069.1590308.11987721469200127287.b4-ty@kernel.org> (raw)
In-Reply-To: <90edd33b-6353-1228-791f-0336d94d5f8c@majoroak.me.uk>
On Mon, 18 Jan 2021 02:58:58 +0000, Timothy Baldwin wrote:
> From c047f549699d31ed91d5ac0cadbcf76a02cd801e Mon Sep 17 00:00:00 2001
> From: Timothy E Baldwin<T.E.Baldwin99@members.leeds.ac.uk>
> Date: Sat, 16 Jan 2021 15:18:54 +0000
> Subject: [PATCH] arm64: ptrace: Fix seccomp of traced syscall -1 (NO_SYSCALL)
>
> Since commit f086f67485c5 ("arm64: ptrace: add support for syscall
> emulation"), if system call number -1 is called and the process is being
> traced with PTRACE_SYSCALL, for example by strace, the seccomp check is
> skipped and -ENOSYS is returned unconditionally (unless altered by the
> tracer) rather than carrying out action specified in the seccomp filter.
>
> [...]
(Note that I had to fix up whitespace errors in order for git am to apply
this, so please check the resulting commit).
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: ptrace: Fix seccomp of traced syscall -1 (NO_SYSCALL)
https://git.kernel.org/arm64/c/df84fe947089
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
_______________________________________________
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:[~2021-02-25 11:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 2:58 [PATCH] arm64: ptrace: Fix seccomp of traced syscall -1 (NO_SYSCALL) Timothy Baldwin
2021-02-24 14:49 ` Sudeep Holla
2021-02-24 22:48 ` Kees Cook
2021-02-25 10:12 ` Will Deacon
2021-02-25 11:02 ` Will Deacon [this message]
2021-03-01 13:10 FAILED: patch "[PATCH] arm64: ptrace: Fix seccomp of traced syscall -1 (NO_SYSCALL)" failed to apply to 5.4-stable tree Sudeep Holla
2021-03-05 19:12 ` [PATCH] arm64: ptrace: Fix seccomp of traced syscall -1 (NO_SYSCALL) Timothy E Baldwin
2021-03-07 15:01 ` Greg KH
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=161424885069.1590308.11987721469200127287.b4-ty@kernel.org \
--to=will@kernel.org \
--cc=T.E.Baldwin99@members.leeds.ac.uk \
--cc=catalin.marinas@arm.com \
--cc=keescook@chromium.org \
--cc=kernel-team@android.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=oleg@redhat.com \
--cc=sudeep.holla@arm.com \
--cc=will.deacon@arm.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.