From: Kees Cook <keescook@chromium.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: "Tobin C. Harding" <me@tobin.cc>, Jann Horn <jannh@google.com>,
"Tobin C. Harding" <tobin@kernel.org>,
Shuah Khan <shuah@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Kernel Hardening <kernel-hardening@lists.openwall.com>,
kernel list <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@amacapital.net>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Daniel Micay <danielmicay@gmail.com>,
Arnd Bergmann <arnd@arndb.de>,
Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: Re: [PATCH 5/6] lib: Fix function documentation for strncpy_from_user
Date: Thu, 21 Feb 2019 15:16:14 -0800 [thread overview]
Message-ID: <CAGXu5jLbcqDJWvn1cES3OvWMvnd3OArFKLOJMqWc=youte5Haw@mail.gmail.com> (raw)
In-Reply-To: <20190222072652.2441e8a2@canb.auug.org.au>
On Thu, Feb 21, 2019 at 12:27 PM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi Kees,
>
> On Wed, 20 Feb 2019 22:02:32 -0800 Kees Cook <keescook@chromium.org> wrote:
> >
> > What I can't quite figure out yet is how to find a way for sfr to flag
> > newly added users of strcpy, strncpy, and strlcpy. We might need to
> > bring back __deprecated, but hide it behind a W=linux-next flag or
> > something crazy. Stephen, in your builds you're already injecting
> > -Wimplicit-fallthrough: do you do W=1 or anything like that? If not, I
> > think we need some W= setting for your linux-next builds that generate
> > the maintainer-nag warnings...
>
> I just have a set of compiler flags that my build scripts explicitly
> enable by setting KCFLAGS.
Okay, so you could include some -D option to enable it. I'll see if I
can cook something up.
--
Kees Cook
next prev parent reply other threads:[~2019-02-21 23:16 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-18 23:23 [PATCH 0/6] lib: Add safe string funtions Tobin C. Harding
2019-02-18 23:23 ` [PATCH 1/6] lib/string: Enable string selftesting Tobin C. Harding
2019-02-19 10:55 ` Andy Shevchenko
2019-02-19 21:55 ` Tobin C. Harding
2019-02-20 10:49 ` Andy Shevchenko
2019-02-20 23:58 ` Kees Cook
2019-02-20 23:57 ` Kees Cook
2019-02-21 5:16 ` Tobin C. Harding
2019-02-18 23:23 ` [PATCH 2/6] lib/string: Fix erroneous 'overflow' documentation Tobin C. Harding
2019-02-21 0:02 ` Kees Cook
2019-02-21 5:17 ` Tobin C. Harding
2019-02-18 23:23 ` [PATCH 3/6] lib/string: Use correct docstring format Tobin C. Harding
2019-02-21 0:07 ` Kees Cook
2019-02-21 4:14 ` Randy Dunlap
2019-02-21 5:27 ` Kees Cook
2019-02-18 23:23 ` [PATCH 4/6] lib/string: Add string copy/zero function Tobin C. Harding
2019-02-21 0:48 ` Kees Cook
2019-02-21 5:20 ` Tobin C. Harding
2019-02-21 12:02 ` Andy Shevchenko
2019-02-25 20:09 ` Tobin C. Harding
2019-02-18 23:23 ` [PATCH 5/6] lib: Fix function documentation for strncpy_from_user Tobin C. Harding
2019-02-19 0:51 ` Jann Horn
2019-02-19 21:52 ` Tobin C. Harding
2019-02-21 1:05 ` Kees Cook
2019-02-21 5:24 ` Tobin C. Harding
2019-02-21 6:02 ` Kees Cook
2019-02-21 14:58 ` Rasmus Villemoes
2019-02-21 23:03 ` Kees Cook
2019-02-25 15:41 ` Rasmus Villemoes
2019-02-21 16:06 ` Jann Horn
2019-02-21 23:14 ` Kees Cook
2019-02-21 20:26 ` Stephen Rothwell
2019-02-21 23:16 ` Kees Cook [this message]
2019-02-21 14:28 ` Jann Horn
2019-02-21 22:52 ` Kees Cook
2019-02-18 23:23 ` [PATCH 6/6] lib: Add function strscpy_from_user() Tobin C. Harding
2019-02-19 2:09 ` Jann Horn
2019-02-19 2:12 ` Jann Horn
2019-02-19 21:53 ` Tobin C. Harding
2019-02-20 23:31 ` [PATCH 0/6] lib: Add safe string funtions Kees Cook
2019-02-21 5:15 ` Tobin C. Harding
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