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

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On 12/05/2015 03:37 AM, Andrew Morton wrote:
> On Thu, 3 Dec 2015 18:50:04 +0300 Andrey Ryabinin <aryabinin@virtuozzo.com> 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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[PATCH v4 0/3] UBSAN: run-time undefined behavior sanity checker Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-12-03 17:00 +0100
  [PATCH v4 2/3] mac80211: Prevent build failure with CONFIG_UBSAN=y Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-12-03 17:00 +0100
    Re: [PATCH v4 2/3] mac80211: Prevent build failure with  CONFIG_UBSAN=y Johannes Berg <johannes@sipsolutions.net> - 2015-12-03 18:10 +0100
      Re: [PATCH v4 2/3] mac80211: Prevent build failure with CONFIG_UBSAN=y Andrey Ryabinin <ryabinin.a.a@gmail.com> - 2015-12-03 20:20 +0100
  Re: [PATCH v4 0/3] UBSAN: run-time undefined behavior sanity  checker Andrew Morton <akpm@linux-foundation.org> - 2015-12-05 01:40 +0100
    Re: [PATCH v4 0/3] UBSAN: run-time undefined behavior sanity checker Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-12-07 17:50 +0100
    Re: [PATCH v4 0/3] UBSAN: run-time undefined behavior sanity checker Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-12-10 16:50 +0100

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