linux-kernel - RE: RE: [PATCH bpf-next] selftests/bpf: Fix strncpy() fortify warning

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Date:   Tue, 1 Nov 2022 09:27:06 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Rong Tao' <rtoax@...mail.com>
CC:     "andrii.nakryiko@...il.com" <andrii.nakryiko@...il.com>,
        "andrii@...nel.org" <andrii@...nel.org>,
        "ast@...nel.org" <ast@...nel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "haoluo@...gle.com" <haoluo@...gle.com>,
        "john.fastabend@...il.com" <john.fastabend@...il.com>,
        "jolsa@...nel.org" <jolsa@...nel.org>,
        "kpsingh@...nel.org" <kpsingh@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        "martin.lau@...ux.dev" <martin.lau@...ux.dev>,
        "mykolal@...com" <mykolal@...com>,
        "rongtao@...tc.cn" <rongtao@...tc.cn>,
        "sdf@...gle.com" <sdf@...gle.com>,
        "shuah@...nel.org" <shuah@...nel.org>,
        "song@...nel.org" <song@...nel.org>, "yhs@...com" <yhs@...com>
Subject: RE: RE: [PATCH bpf-next] selftests/bpf: Fix strncpy() fortify warning

From: Rong Tao <rtoax@...mail.com>
> Sent: 01 November 2022 09:25
> 
> Can we just use the first patch?
> https://lore.kernel.org/lkml/tencent_EE3E19F80ACD66955D26A878BC768CFA210A@qq.com/

IIRC strlcpy() does the copy you want.

	David

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