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Date: Sun, 3 Jul 2016 21:58:45 +0200
From: Laurent Bercot <>
Subject: Re: abort() fails to terminate PID 1 process

On 03/07/2016 15:58, Rich Felker wrote:
> Whether you realize it or not, what you're saying is equivalent to
> saying that it's UB for a process that runs as pid 1 to call abort().
> There is no basis for such a claim.

  There's no basis in the specification, but in practice, on Linux at least,
a process that runs as pid 1 outside of a container and that exits - whether
normally or via abort() or anything else - will cause a kernel panic. So
treating that case as UB is defensible, at least until musl is ported to an
OS where pid 1 death is less dramatic.


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