Re: [Exim] 3.22 Segmentation Fault

On Mon, 9 Apr 2001, Oliver Cook wrote:

> While playing with ignore_target_hosts I managed
> to get Exim 3.22 to seg fault. Having recompiled
> with debugging symbols I ran it through gdb and
> got the following output. There was no core dumped.

Please try the patch below.

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.

*** exim-3.22/src/host.c    Fri Jan 19 09:32:08 2001
--- host.c    Tue Mar 13 12:48:58 2001
***************
*** 1660,1666 ****
            verify_check_this_host(&ignore_target_hosts, FALSE, h->name,
            CS da->address, NULL))
        {
!       DEBUG(8) debug_printf("ignored host %s [%s]\n", host->name, da->address);
        status = hstatus_unusable;
        why = hwhy_ignored;
        }
--- 1660,1666 ----
            verify_check_this_host(&ignore_target_hosts, FALSE, h->name,
            CS da->address, NULL))
        {
!       DEBUG(8) debug_printf("ignored host %s [%s]\n", h->name, da->address);
        status = hstatus_unusable;
        why = hwhy_ignored;
        }
***************
*** 1794,1799 ****
--- 1794,1800 ----
        {
        if (h != last)              /* First is not last, overwrite it */
          {
+         if (h->next == last) last = h;
          *h = *(h->next);          /* and reprocess it. */
          goto REDO;                /* C should have redo, like Perl */
          }