From: Joe Perches <joe@perches.com>
To: Masahiro Yamada <masahiroy@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>
Cc: clang-built-linux <clang-built-linux@googlegroups.com>,
stable <stable@vger.kernel.org>, Andy Lavr <andy.lavr@gmail.com>,
Arvind Sankar <nivedita@alum.mit.edu>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Sami Tolvanen <samitolvanen@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Alexandru Ardelean <alexandru.ardelean@analog.com>,
Yury Norov <yury.norov@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] lib/string.c: implement stpcpy
Date: Wed, 26 Aug 2020 09:57:28 -0700 [thread overview]
Message-ID: <d56bf7b93f7a28c4a90e4e16fd412e6934704346.camel@perches.com> (raw)
In-Reply-To: <CAK7LNAQXo5-5W6hvNMEVPBPf3tRWaf-pQdSR-0OHyi4RCGhjsQ@mail.gmail.com>
On Thu, 2020-08-27 at 01:49 +0900, Masahiro Yamada wrote:
> I do not have time to keep track of the discussion fully,
> but could you give me a little more context why
> the usage of stpcpy() is not recommended ?
>
> The implementation of strcpy() is almost the same.
> It is unclear to me what makes stpcpy() unsafe..
It's the same thing that makes strcpy unsafe:
Unchecked buffer lengths with no guarantee src is terminated.
next prev parent reply other threads:[~2020-08-26 16:57 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-25 13:58 Nick Desaulniers
2020-08-25 18:51 ` Nathan Chancellor
2020-08-26 15:41 ` Sedat Dilek
2020-08-26 15:58 ` Masahiro Yamada
2020-09-06 9:57 ` Kees Cook
2020-08-26 16:49 ` Masahiro Yamada
2020-08-26 16:57 ` Joe Perches [this message]
2020-08-26 16:58 ` Nick Desaulniers
2020-08-26 22:59 ` Masahiro Yamada
2020-08-26 23:38 ` Kees Cook
2020-08-26 23:57 ` Joe Perches
2020-08-27 2:33 ` Kees Cook
2020-08-27 2:42 ` Joe Perches
2020-08-27 18:26 ` Kees Cook
2020-08-27 8:59 ` Andy Shevchenko
2020-08-27 18:30 ` Kees Cook
2020-08-27 19:37 ` Joe Perches
2020-08-27 19:41 ` Kees Cook
2020-08-27 20:05 ` Andy Shevchenko
2020-08-27 22:26 ` Kees Cook
2020-08-28 8:17 ` Andy Shevchenko
2020-08-31 23:21 ` Nick Desaulniers
2020-09-01 8:51 ` David Laight
2020-08-25 14:00 Nick Desaulniers
2020-08-26 15:22 ` Kees Cook
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=d56bf7b93f7a28c4a90e4e16fd412e6934704346.camel@perches.com \
--to=joe@perches.com \
--cc=akpm@linux-foundation.org \
--cc=alexandru.ardelean@analog.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=andy.lavr@gmail.com \
--cc=clang-built-linux@googlegroups.com \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@rasmusvillemoes.dk \
--cc=masahiroy@kernel.org \
--cc=ndesaulniers@google.com \
--cc=nivedita@alum.mit.edu \
--cc=samitolvanen@google.com \
--cc=stable@vger.kernel.org \
--cc=yury.norov@gmail.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
all inboxes | Powered by JetHome®