From: David Abdurachmanov <david.abdurachmanov@gmail.com>
To: Tycho Andersen <tycho@tycho.ws>
Cc: Song Liu <songliubraving@fb.com>,
Alan Kao <alankao@andestech.com>,
Palmer Dabbelt <palmer@sifive.com>,
Alexei Starovoitov <ast@kernel.org>,
Oleg Nesterov <oleg@redhat.com>,
linux-kselftest@vger.kernel.org, linux-riscv@lists.infradead.org,
Shuah Khan <shuah@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Yonghong Song <yhs@fb.com>,
me@carlosedp.com, Albert Ou <aou@eecs.berkeley.edu>,
Kees Cook <keescook@chromium.org>,
Alexios Zavras <alexios.zavras@intel.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Thomas Gleixner <tglx@linutronix.de>,
Allison Randal <allison@lohutok.net>,
Will Drewry <wad@chromium.org>,
David Abdurachmanov <david.abdurachmanov@sifive.com>,
netdev@vger.kernel.org, Anup Patel <Anup.Patel@wdc.com>,
linux-kernel@vger.kernel.org,
Andy Lutomirski <luto@amacapital.net>,
Vincent Chen <vincentc@andestech.com>,
bpf@vger.kernel.org, Martin KaFai Lau <kafai@fb.com>
Subject: Re: [PATCH v2] riscv: add support for SECCOMP and SECCOMP_FILTER
Date: Mon, 26 Aug 2019 09:39:50 -0700 [thread overview]
Message-ID: <CAEn-LTrtn01=fp6taBBG_QkfBtgiJyt6oUjZJOi6VN8OeXp6=g@mail.gmail.com> (raw)
In-Reply-To: <20190826145756.GB4664@cisco>
On Mon, Aug 26, 2019 at 7:57 AM Tycho Andersen <tycho@tycho.ws> wrote:
>
> Hi,
>
> On Fri, Aug 23, 2019 at 05:30:53PM -0700, Paul Walmsley wrote:
> > On Thu, 22 Aug 2019, David Abdurachmanov wrote:
> >
> > > There is one failing kernel selftest: global.user_notification_signal
> >
> > Also - could you follow up with the author of this failing test to see if
> > we can get some more clarity about what might be going wrong here? It
> > appears that the failing test was added in commit 6a21cc50f0c7f ("seccomp:
> > add a return code to trap to userspace") by Tycho Andersen
> > <tycho@tycho.ws>.
>
> Can you post an strace and a cat of /proc/$pid/stack for both tasks
> where it gets stuck? I don't have any riscv hardware, and it "works
> for me" on x86 and arm64 with 100 tries.
I don't have the a build with SECCOMP for the board right now, so it
will have to wait. I just finished a new kernel (almost rc6) for Fedora,
but it will take time to assemble new repositories and a disk image.
There is older disk image available (5.2.0-rc7 kernel with v2 SECCOMP)
for QEMU or libvirt/QEMU:
https://dl.fedoraproject.org/pub/alt/risc-v/disk-images/fedora/rawhide/20190703.n.0/Developer/
https://fedoraproject.org/wiki/Architectures/RISC-V/Installing#Boot_with_libvirt
(If you are interesting trying it locally.)
IIRC I attempted to connected with strace, but it quickly returns and fails
properly. Simply put strace unblocks whatever is stuck.
david
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next prev parent reply other threads:[~2019-08-26 16:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-22 20:55 [PATCH v2] riscv: add support for SECCOMP and SECCOMP_FILTER David Abdurachmanov
2019-08-23 22:54 ` Carlos Eduardo de Paula
2019-08-23 23:01 ` Carlos Eduardo de Paula
2019-08-24 0:30 ` Paul Walmsley
2019-08-24 1:04 ` David Abdurachmanov
2019-08-24 1:10 ` David Abdurachmanov
2019-08-24 1:18 ` Paul Walmsley
2019-08-25 21:51 ` Kees Cook
2019-08-28 21:39 ` David Abdurachmanov
2019-08-26 14:57 ` Tycho Andersen
2019-08-26 16:39 ` David Abdurachmanov [this message]
2019-08-26 17:48 ` Kees Cook
2019-08-29 1:30 ` Paul Walmsley
2019-09-27 17:20 ` Kees Cook
2019-10-05 1:24 ` Paul Walmsley
2019-08-25 21:59 ` Kees Cook
2019-08-28 17:52 ` Andy Lutomirski
2019-08-28 18:01 ` Kees Cook
2019-09-03 22:27 ` Palmer Dabbelt
2019-09-27 20:58 ` Andy Lutomirski
2019-10-06 19:18 ` Andy Lutomirski
2019-08-28 21:37 ` David Abdurachmanov
2019-08-28 23:44 ` Kees Cook
2019-10-05 1:20 ` Paul Walmsley
2019-10-14 21:06 ` Paul Walmsley
2019-10-15 16:27 ` Kees Cook
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