[Bug libc/20326] Segment fault in execvpe.c

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20326

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |fweimer at redhat dot com
              Flags|                            |security-

--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to n0va8o.lau from comment #4)
> (In reply to Andreas Schwab from comment #3)
> > Don't do that then.  The arguments must not be null.
> 
> don't you think it's better to add a check in execvp please?

How did you notice this problem?  It is difficult to see what value NULL checks
add in such cases.

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