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From: Qian Cai <cai@lca.pw>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Kees Cook <keescook@chromium.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Elena Petrova <lenaptr@google.com>,
	Alexander Potapenko <glider@google.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	kasan-dev <kasan-dev@googlegroups.com>,
	LKML <linux-kernel@vger.kernel.org>,
	kernel-hardening@lists.openwall.com,
	syzkaller <syzkaller@googlegroups.com>
Subject: Re: [PATCH v2 0/3] ubsan: Split out bounds checker
Date: Thu, 28 Nov 2019 11:14:38 -0500
Message-ID: <4B3C1889-DE01-43A5-B0BD-0CFC33A5315A@lca.pw> (raw)
In-Reply-To: <CACT4Y+a-0ZqGj0hQhOW=aUcjeQpf_487ASnnzdm_M2N7+z17Lg@mail.gmail.com>



> On Nov 28, 2019, at 5:39 AM, 'Dmitry Vyukov' via kasan-dev <kasan-dev@googlegroups.com> wrote:
> 
> But also LOCKDEP, KMEMLEAK, ODEBUG, FAULT_INJECTS, etc, all untested
> too. Nobody knows what they produce, and if they even still detect
> bugs, report false positives, etc.
> But that's the kernel testing story...

Yes, those work except PROVE_LOCKING where there are existing potential deadlocks are almost impossible to fix them properly now. I have been running those for linux-next daily with all those debugging on where you can borrow the configs etc.

https://github.com/cailca/linux-mm

  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-21 18:15 Kees Cook
2019-11-21 18:15 ` [PATCH v2 1/3] ubsan: Add trap instrumentation option Kees Cook
2019-11-21 18:15 ` [PATCH v2 2/3] ubsan: Split "bounds" checker from other options Kees Cook
2019-11-21 18:15 ` [PATCH v2 3/3] lkdtm/bugs: Add arithmetic overflow and array bounds checks Kees Cook
2019-11-22  9:07 ` [PATCH v2 0/3] ubsan: Split out bounds checker Dmitry Vyukov
2019-11-22 16:52   ` Kees Cook
2019-11-27  5:42   ` Kees Cook
2019-11-27  6:54     ` Dmitry Vyukov
2019-11-27  9:34       ` Dmitry Vyukov
2019-11-27 17:59         ` Kees Cook
2019-11-28 10:38           ` Dmitry Vyukov
2019-11-28 16:14             ` Qian Cai [this message]
2019-11-28 13:10           ` Dmitry Vyukov

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