[PATCH v3 2/2] tests: Workaroud for buggy glibc in ipc_msg test on ppc64

[Andreas Schwab]

On Sep 13 2016, Eugene Syromyatnikov <evgsyr-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:

> glibc before 2.23 (glibc-2.22-122-gbe48165? to be more precise) tried to access
> data pointed by third argument of msgctl call on 64-bit PowerPC which led to
> segmentataion fault (instead of EFAULT from kernel).

Which is a perfectly valid thing to do, as passing an invalid pointer to
msgctl (the libc function) invokes undefined behaviour.  If you want to
test the kernel behaviour you need to talk to the kernel directly.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab at suse.de
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