From: Yonghong Song <yonghong.song@linux.dev>
To: Hao Ge <hao.ge@linux.dev>,
ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me,
haoluo@google.com, jolsa@kernel.org, mykolal@fb.com,
shuah@kernel.org
Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org, Hao Ge <gehao@kylinos.cn>,
Dan Carpenter <dan.carpenter@linaro.org>
Subject: Re: [PATCH] selftests/bpf: Fix incorrect parameters in NULL pointer checking
Date: Wed, 21 Aug 2024 14:03:17 -0700 [thread overview]
Message-ID: <02dd26b5-16a0-4732-80e4-c7bf183e965a@linux.dev> (raw)
In-Reply-To: <20240820023447.29002-1-hao.ge@linux.dev>
On 8/19/24 7:34 PM, Hao Ge wrote:
> From: Hao Ge <gehao@kylinos.cn>
>
> Smatch reported the following warning:
> ./tools/testing/selftests/bpf/testing_helpers.c:455 get_xlated_program()
> warn: variable dereferenced before check 'buf' (see line 454)
>
> It seems correct,so let's modify it based on it's suggestion.
>
> Actually,commit b23ed4d74c4d ("selftests/bpf: Fix invalid pointer
> check in get_xlated_program()") fixed an issue in the test_verifier.c
> once,but it was reverted this time.
>
> Let's solve this issue with the minimal changes possible.
>
> Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
> Closes: https://lore.kernel.org/all/1eb3732f-605a-479d-ba64-cd14250cbf91@stanley.mountain/
> Fixes: b4b7a4099b8c ("selftests/bpf: Factor out get_xlated_program() helper")
> Signed-off-by: Hao Ge <gehao@kylinos.cn>
In the future, please change subject '[PATCH] ...' to '[PATCH bpf-next] ...'
so CI can properly test it.
Acked-by: Yonghong Song <yonghong.song@linux.dev>
next prev parent reply other threads:[~2024-08-21 21:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-20 2:34 [PATCH] selftests/bpf: Fix incorrect parameters in NULL pointer checking Hao Ge
2024-08-21 21:03 ` Yonghong Song [this message]
2024-08-21 21:50 ` Dan Carpenter
2024-08-21 22:07 ` Alexei Starovoitov
2024-08-21 22:31 ` Dan Carpenter
2024-08-23 7:12 ` Hao Ge
2024-08-23 7:04 ` Hao Ge
-- strict thread matches above, loose matches on Subject: below --
2024-08-20 2:36 Hao Ge
2024-08-20 2:47 ` Hao Ge
2024-08-28 16:00 ` 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=02dd26b5-16a0-4732-80e4-c7bf183e965a@linux.dev \
--to=yonghong.song@linux.dev \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=dan.carpenter@linaro.org \
--cc=daniel@iogearbox.net \
--cc=eddyz87@gmail.com \
--cc=gehao@kylinos.cn \
--cc=hao.ge@linux.dev \
--cc=haoluo@google.com \
--cc=john.fastabend@gmail.com \
--cc=jolsa@kernel.org \
--cc=kpsingh@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=martin.lau@linux.dev \
--cc=mykolal@fb.com \
--cc=sdf@fomichev.me \
--cc=shuah@kernel.org \
--cc=song@kernel.org \
/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