[PATCH v12 1/2] malloc: add tcache support for large chunk caching

[Wilco Dijkstra]

Hi,

> Thanks for verifying it.
> Actually I tried the same with 2.41 release ... hang still happens there.
>
> Any chance this is an actual race in scanimage or other used library ?

It hangs in malloc code, so it's either corruption of the malloc lock or
a race condition in malloc code. Eg. reused_arena has several FIXME for
race conditions...

Cheers,
Wilco