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Subject: Re: [PATCH v2 0/2] UBSan: run-time undefined behavior sanity checker
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From: Sasha Levin <sasha.levin@oracle.com>
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Date: Tue, 3 Nov 2015 13:46:44 -0500
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To: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Peter Zijlstra <peterz@infradead.org>, Randy Dunlap <rdunlap@infradead.org>, Rasmus Villemoes <linux@rasmusvillemoes.dk>, Jonathan Corbet <corbet@lwn.net>, Michal Marek <mmarek@suse.cz>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Yury Gribov <y.gribov@samsung.com>, Dmitry Vyukov <dvyukov@google.com>, Konstantin Khlebnikov <koct9i@gmail.com>, "x86@kernel.org" <x86@kernel.org>, "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>, "open list:KERNEL BUILD + fi..." <linux-kbuild@vger.kernel.org>

On 11/03/2015 01:15 PM, Andrey Ryabinin wrote:
> 2015-11-03 20:20 GMT+03:00 Sasha Levin <sasha.levin@oracle.com>:
>> Anyone knows why wasn't this merged a year ago? I didn't see any review comments, and it
>> ended up finding real bugs.
>>
> 
> Probably because I didn't ping so it just lost.
> I'll send v3 after the merge window.
> 

Thanks Andrey!

I've just tried v2 on -next, and that causes a hang during boot (seems like we're
hitting undefined behavior while already handling undefined behaviour.


Thanks,
Sasha