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From: Alexander Potapenko <glider@google.com>
To: Marco Elver <elver@google.com>
Cc: paulmck@kernel.org, Andrey Konovalov <andreyknvl@google.com>,
	Dmitriy Vyukov <dvyukov@google.com>,
	kasan-dev <kasan-dev@googlegroups.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	will@kernel.org, Peter Zijlstra <peterz@infradead.org>,
	boqun.feng@gmail.com, Arnd Bergmann <arnd@arndb.de>,
	Al Viro <viro@zeniv.linux.org.uk>,
	christophe.leroy@c-s.fr, Daniel Axtens <dja@axtens.net>,
	mpe@ellerman.id.au, Steven Rostedt <rostedt@goodmis.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	christian.brauner@ubuntu.com, daniel@iogearbox.net,
	cyphar@cyphar.com, Kees Cook <keescook@chromium.org>,
	linux-arch@vger.kernel.org
Subject: Re: [PATCH 1/5] include/linux: Add instrumented.h infrastructure
Date: Mon, 20 Jan 2020 15:25:23 +0100	[thread overview]
Message-ID: <CAG_fn=VyL3t0L-ZhRtc41+fcipmSWrhwb+QFkRZ+ZeZQ=X_dLg@mail.gmail.com> (raw)
In-Reply-To: <20200120141927.114373-1-elver@google.com>

On Mon, Jan 20, 2020 at 3:19 PM Marco Elver <elver@google.com> wrote:
>
> This adds instrumented.h, which provides generic wrappers for memory
> access instrumentation that the compiler cannot emit for various
> sanitizers. Currently this unifies KASAN and KCSAN instrumentation. In
> future this will also include KMSAN instrumentation.
>
> Note that, copy_{to,from}_user require special instrumentation,
> providing hooks before and after the access, since we may need to know
> the actual bytes accessed (currently this is relevant for KCSAN, and is
> also relevant in future for KMSAN).
>
> Suggested-by: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Marco Elver <elver@google.com>
Acked-by: Alexander Potapenko <glider@google.com>

  parent reply	other threads:[~2020-01-20 14:25 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-20 14:19 [PATCH 1/5] include/linux: Add instrumented.h infrastructure Marco Elver
2020-01-20 14:19 ` [PATCH 2/5] asm-generic, atomic-instrumented: Use generic instrumented.h Marco Elver
2020-01-20 14:19 ` [PATCH 3/5] asm-generic, kcsan: Add KCSAN instrumentation for bitops Marco Elver
2020-01-20 14:40   ` Peter Zijlstra
2020-01-20 16:27     ` Paul E. McKenney
2020-01-20 16:52       ` Peter Zijlstra
2020-01-20 20:23         ` Paul E. McKenney
2020-01-21  9:15           ` Peter Zijlstra
2020-01-21 14:21             ` Paul E. McKenney
2020-01-21 14:47               ` Peter Zijlstra
2020-01-21 15:07                 ` Marco Elver
2020-01-21 16:16                 ` Paul E. McKenney
2020-01-20 14:19 ` [PATCH 4/5] iov_iter: Use generic instrumented.h Marco Elver
2020-01-20 14:19 ` [PATCH 5/5] copy_to_user, copy_from_user: " Marco Elver
2020-01-20 14:51   ` Dmitry Vyukov
2020-01-20 15:05     ` Marco Elver
2020-01-20 14:25 ` Alexander Potapenko [this message]
2020-01-20 14:34 ` [PATCH 1/5] include/linux: Add instrumented.h infrastructure Dmitry Vyukov
2020-01-20 15:53   ` Marco Elver
2020-01-20 14:45 ` Dmitry Vyukov
2020-01-20 14:58   ` Dmitry Vyukov
2020-01-20 15:09     ` Dmitry Vyukov
2020-01-20 15:40       ` Marco Elver
2020-01-20 16:06         ` Dmitry Vyukov
2020-01-20 16:25           ` Marco Elver
2020-01-20 16:39             ` Dmitry Vyukov
2020-01-21  9:44               ` Marco Elver
2020-01-21 13:01   ` Dmitry Vyukov
2020-01-21 16:14     ` Marco Elver

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