Re: [PATCH v2 0/5] bug: Provide toggle for BUG on data corruption

[Henrique de Moraes Holschuh]

On Tue, 16 Aug 2016, Kees Cook wrote:
> This adds a CONFIG to trigger BUG()s when the kernel encounters
> unexpected data structure integrity as currently detected with
> CONFIG_DEBUG_LIST.
> 
> Specifically list operations have been a target for widening flaws to gain
> "write anywhere" primitives for attackers, so this also consolidates the
> debug checking to avoid code and check duplication (e.g. RCU list debug
> was missing a check that got added to regular list debug). It also stops
> manipulations when corruption is detected, since worsening the corruption
> makes no sense. (Really, everyone should build with CONFIG_DEBUG_LIST
> since the checks are so inexpensive.)

Well, maybe it wants a name that it looks like something that should be
enabled by default on production kernels?

I.e. CONFIG_DETECT_LIST_CORRUPTION or somesuch?

-- 
  Henrique Holschuh