Re: [PATCH v4 0/3] UBSAN: run-time undefined behavior sanity checker

[Andrey Ryabinin]

On 12/05/2015 03:37 AM, Andrew Morton wrote:
> On Thu, 3 Dec 2015 18:50:04 +0300 Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> wrote:
> 
>> UBSAN is run-time undefined behaviour checker. It uses compile-time
>> instrumentation to catch undefined behavior (UB). Compiler inserts code
>> that perform certain kinds of checks before operations that could cause UB.
>> If check fails (i.e. UB detected) __ubsan_handle_* function called to print error message.
> 
> What I'd like to see in this changelog is a description of any kernel
> issues which this checker has already identified: what were they and
> what was their potential impact at runtime.
> 
> This info will help us to understand the value of the proposed feature.
> 

Sure, I'll come back soon with a list of found bugs.

> Thanks.
> 
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