From: Yonghong Song <yhs@fb.com>
To: Martin KaFai Lau <kafai@fb.com>, <bpf@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>, <kernel-team@fb.com>
Subject: Re: [PATCH bpf-next 2/2] bpf: selftest: verifier test on refill from a smaller spill
Date: Tue, 2 Nov 2021 08:59:34 -0700 [thread overview]
Message-ID: <00ffc27e-b559-7970-ffbb-a3606f974e80@fb.com> (raw)
In-Reply-To: <20211102064541.316414-1-kafai@fb.com>
On 11/1/21 11:45 PM, Martin KaFai Lau wrote:
> This patch adds a verifier test to ensure the verifier
> can read 8 bytes from the stack after two 32bit write at
> fp-4 and fp-8. The test is similar to the reported case from bcc [0].
>
> [0]: https://github.com/iovisor/bcc/pull/3683
>
> Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
next prev parent reply other threads:[~2021-11-02 15:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-02 6:45 [PATCH bpf-next 0/2] bpf: Allow doing stack read with size larger than the earlier spilled reg Martin KaFai Lau
2021-11-02 6:45 ` [PATCH bpf-next 1/2] bpf: Do not reject when the stack read size is different from the tracked scalar size Martin KaFai Lau
2021-11-02 13:45 ` Hengqi Chen
2021-11-02 15:59 ` Yonghong Song
2021-11-02 6:45 ` [PATCH bpf-next 2/2] bpf: selftest: verifier test on refill from a smaller spill Martin KaFai Lau
2021-11-02 15:59 ` Yonghong Song [this message]
2021-11-03 15:00 ` [PATCH bpf-next 0/2] bpf: Allow doing stack read with size larger than the earlier spilled reg patchwork-bot+netdevbpf
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=00ffc27e-b559-7970-ffbb-a3606f974e80@fb.com \
--to=yhs@fb.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=kafai@fb.com \
--cc=kernel-team@fb.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox