Wietse Venema:
> Viktor Dukhovni:
> >
> >
> > > On Jun 19, 2018, at 11:58 AM, Wietse Venema <wie...@porcupine.org> wrote:
> > >
> > > No error (btw, posttls-finger -X will chdir() to the queue directory,
> > > it just needs root privs).
> > >
> > > So what was the domain that was failing with the Postfix SMTP client?
> >
> > The crash (from Ralf's stack trace) was in a code path that is not
> > exercised by posttls-finger, it is in the TLS policy setup (for gmail.com):
> >
> > Program received signal SIGSEGV, Segmentation fault.
> > tls_dane_resolve (port=6400, proto=proto@entry=0x558114406c72
> > "tcp",
> > hostrr=0x0, forcetlsa=0) at tls_dane.c:1146
> > 1146 int iscname = strcasecmp(hostrr->rname,
> > hostrr->qname);
> > (gdb) #0 tls_dane_resolve (port=6400, proto=proto@entry=0x558114406c72
> > "tcp",
> > hostrr=0x0, forcetlsa=0) at tls_dane.c:1146
> > #1 0x0000558114402add in dane_init (iter=0x558114882378,
> > tls=0x55811487e9a0)
> > at smtp_tls_policy.c:828
> > #2 policy_create (unused_key=<optimizedout>,context=0x558114882378) at
> > smtp_tls_policy.c:558
> > #3 0x00007f0ee95307ec in ctable_locate (cache=0x55811487ea80,
> > key=0x55811487f900 "gmail.com::25:") at ctable.c:163
> > #4 0x000055811440318a in smtp_tls_policy_cache_query (
> > why=why@entry=0x558114899bd0, tls=tls@entry=0x5581148823c0,
> > iter=iter@entry=0x558114882378) at smtp_tls_policy.c:675
>
> How would I reproduce this? I can send mail to gmail.com just fine,
> with postfix-3.4-20180618 and with "smtp_tls_connection_reuse = yes",
> Linux and FreeBSD.
>
> Or can you provide a stack trace?
Argh, the trace ends in the smtp_tls_policy_cache_query which is called from
more than one place. Investigating...
Wietse
