On Sat, Mar 07, 2020 at 12:24:21PM +0100, Maxime Villard wrote:

> Can we revert the "__aligned(COHERENCY_UNIT)" for now? There is no particular
> hurry to fix this bug, however the KUBSAN instance has been down for more than
> two months because of this, and it needs to be addressed.

That should be quelled now.

> Similarly, the KASAN instance is currently crashing hard on:
> https://syzkaller.appspot.com/bug?id=1aa3f789d356bf04644bcef632bf8c2373398ba2
> Dozens of thousands of times each day. This has been the case for two weeks,
> and it too needs to be addressed.

That's been there since I started looking last year.

I guess it's a false positive because the sanitiser probably thinks objects
are gone once pool_cache_put() is called, but the actual point of disposal
is the pool_cache dtor.


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