[exim-dev] [Bug 806] New: HAVE_IPV6=YES causes SIGSEGV durin…

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http://bugs.exim.org/show_bug.cgi?id=806
           Summary: HAVE_IPV6=YES causes SIGSEGV during delivery
           Product: Exim
           Version: 4.69
          Platform: x86
        OS/Version: Solaris
            Status: NEW
          Severity: bug
          Priority: high
         Component: Routing
        AssignedTo: nigel@???
        ReportedBy: river@???
                CC: exim-dev@???

When HAVE_IPV6 is defined, Exim will crash (segmentation fault) during
delivery, i.e. after 'RCPT TO', or 'exim -bt':

root@mail:~# exim -bt root
Segmentation Fault (core dumped)
root@mail:~# exim -bt river
river@??? is undeliverable: Unknown user

In the second case, the mail is unroutable, so there's no crash. Without
HAVE_IPV6 defined, everything works fine:

root@mail:~# exim -bt root
root@???
    <-- root@???
  router = toolserverorg, transport = remote_smtp
  host hemlock.toolserver.org [91.198.174.194] 

I have several core dumps from this issue, and I can reproduce it, but I wasn't
able to get a stack trace from the core (I suppose Exim needs to be built with
debug symbols).

Using Exim 4.69 on Solaris 10, compiled with Sun C 5.9 124868-08.


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