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Re: [PATCH] linux: spawni.c: simplify error reporting to parent
On Wed, Sep 28, 2016 at 05:03:41PM +0200, Andreas Schwab wrote:
> On Sep 28 2016, Rich Felker <firstname.lastname@example.org> wrote:
> > This is a bad idea for at least one reason: running under strace seems
> > to cause vfork _not_ to wait in the parent, leading to stack
> > clobbering and runaway wrong code execution.
> This is not true. With modern kernels implementing ptrace events a
> tracer can correctly handle all clone variants including vfork.
The problem might very well be limited to older (but still supported,
I think) kernels or older versions of strace; I'm not sure. That's
what I meant by saying I don't have a formula to reproduce the issue
at the moment.