Exim & cygwin-2.6.0-1 (x86) fatal Signal 6 on start

Corinna Vinschen corinna-cygwin@cygwin.com
Mon Jan 9 13:04:00 GMT 2017

On Jan  3 19:36, Pierre A. Humblet wrote:
> On 9/12/2016 8:26 AM, Ross Hemingway wrote:
> > Update to cygwin-2.6.0-1.  Exim has a fatal start error - exim: PID
> > 3756: service `exim' failed: signal 6 raised.
> > 
> > Rolled back to cygwin-2.5.2-1,  problem averted.
> > 
> Sorry for the very long delay in answering.
> The debugging below was done from a non-privileged account, and the
> setuid32() should thus fail, but the program should not abort.
> It aborts in the call to "free (privs)".
> "privs" are obtained by get_priv_list().
> When the target user is SYSTEM, get_priv_list()  returns (PTOKEN_PRIVILEGES)
> &sys_privs;
> where "sys_privs" is a constant structure that cannot be freed.

Thanks for the analysis.  I pushed a fix.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat
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