[PATCH] linux: spawni.c: simplify error reporting to parent

Andreas Schwab schwab@suse.de
Wed Sep 28 15:03:00 GMT 2016


On Sep 28 2016, Rich Felker <dalias@libc.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.

Andreas.

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