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From: Nicolas Schichan <nschichan@freebox.fr>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: Will Drewry <wad@chromium.org>, Kees Cook <keescook@chromium.org>,
	linux-kernel@vger.kernel.org,
	Andy Lutomirski <luto@amacapital.net>,
	Mircea Gherzan <mgherzan@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	linux-arm-kernel@lists.infradead.org, ast@plumgrid.com
Subject: Re: [PATCH 0/4] Seccomp filter JIT support on ARM.
Date: Thu, 30 Apr 2015 14:35:31 +0200	[thread overview]
Message-ID: <55422193.9010905@freebox.fr> (raw)
In-Reply-To: <554108CC.6000801@iogearbox.net>

On 04/29/2015 06:37 PM, Daniel Borkmann wrote:
> On 04/29/2015 03:37 PM, Nicolas Schichan wrote:
> ...
>> The fourth and final patch fixes a bug in the emit_udiv() function
>> when used to convert a BPF_ALU | BPF_DIV | BPF_K instruction in the
>> ARM BPF JIT code.
> 
> Shouldn't that fix go separately, so it can be included into 4.1
> resp. -stable?

Sure, shall I resend that separately from the v2 of the serie or is it fine in
its current form ?

> Would be good if you also Cc Mircea, who wrote the code. Was that
> caught by lib/test_bpf.c suite (if not, would be good to add a test
> case for it) ?

It was detected by an internal test suite we have here. I see that there are
some BPF_ALU | BPF_DIV | BPF_K instructions so it might also be caught by
lib/test_bpf.c as well.

Regards,

-- 
Nicolas Schichan
Freebox SAS

  reply	other threads:[~2015-04-30 12:35 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-29 13:37 Nicolas Schichan
2015-04-29 13:37 ` [PATCH 1/4] net: filter: make bpf_migrate_filter available outside of net/core/filter.c Nicolas Schichan
2015-04-29 13:37 ` [PATCH 2/4] seccomp: rework seccomp_prepare_filter() Nicolas Schichan
2015-04-29 17:12   ` Daniel Borkmann
2015-04-30 12:27     ` Nicolas Schichan
2015-04-30 12:46       ` Daniel Borkmann
2015-04-30 14:12         ` Nicolas Schichan
2015-04-29 13:37 ` [PATCH 3/4] ARM: net: add JIT support for loads from struct seccomp_data Nicolas Schichan
2015-04-29 13:37 ` [PATCH 4/4] ARM: net fix emit_udiv() for BPF_ALU | BPF_DIV | BPF_K intruction Nicolas Schichan
2015-05-01 17:37   ` Russell King - ARM Linux
2015-05-04 16:16     ` Nicolas Schichan
2015-05-04 17:57       ` Russell King - ARM Linux
2015-04-29 16:37 ` [PATCH 0/4] Seccomp filter JIT support on ARM Daniel Borkmann
2015-04-30 12:35   ` Nicolas Schichan [this message]
2015-04-30 12:51     ` Daniel Borkmann
2015-04-30 17:17       ` Alexei Starovoitov
2015-04-29 16:46 ` Alexei Starovoitov

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