Hi!
> Test expects, that either file is mmaped and read will
> result in expected pattern or file is not mapped and
> read will trigger SIGSEGV.
> 
> However there is also possibility that unrelated mmap,
> (e.g. from pthread_exit or printf call chain) will pick the
> same area between munmap/mmap calls for map_address, which
> creates a race where data read from map_address are unexpected.
> 
> This patch makes a dummy mmap/munmap of large block to find
> some distant location, where futher mmap calls are unlikely
> to occur. Middle of this area is then used to mmap map_address.

Acked and I suppose that this should be pushed to the git before the
release.

-- 
Cyril Hrubis
chru...@suse.cz

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