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Date: Thu, 28 Nov 2019 11:14:38 -0500
From: Qian Cai <>
To: Dmitry Vyukov <>
Cc: Kees Cook <>,
 Andrew Morton <>,
 Andrey Ryabinin <>,
 Elena Petrova <>,
 Alexander Potapenko <>,
 Linus Torvalds <>,
 Dan Carpenter <>,
 "Gustavo A. R. Silva" <>,
 Arnd Bergmann <>, Ard Biesheuvel <>,
 kasan-dev <>,
 LKML <>,,
 syzkaller <>
Subject: Re: [PATCH v2 0/3] ubsan: Split out bounds checker

> On Nov 28, 2019, at 5:39 AM, 'Dmitry Vyukov' via kasan-dev <> 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.

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