Op Mon, 04 Jan 2016 22:54:24 +0100 schreef Jeremie Le Hen <j...@freebsd.org>:
Yeah... when you read that subject you probably had this weird gaze ô_Ò
like I did when I came to that conclusion.
I've been experiencing segfaults in milter-greylist [...]
So after some more tinkering I came to the following
conclusion: if I run strip(1) on /usr/local/lib/libbind/libbind.so.5.0
to remove the debugging symbols, then it will crash with the stacktrace
below.
Has anyone of you seen such a behavior in the past?
#0 0x00001cc53e386d40 in memcpy (dst0=0x1cc5c48b7000, src0=Variable "src0"
is not available.
) at /usr/src/lib/libc/string/memcpy.c:94
#1 0x00001cc4f4d496d8 in __res_vinit () from
/usr/local/lib/libbind/libbind.so.5.0
#2 0x00001cc4f4d48bda in __res_ninit () from
/usr/local/lib/libbind/libbind.so.5.0
#3 0x00001cc50b181905 in SPF_dns_resolv_lookup
(spf_dns_server=0x1cc5c48ab780, domain=0x1cc55122c1d0 "mydomain.org",
rr_type=ns_t_spf, should_cache=1) at spf_dns_resolv.c:261
[...]
I had the same stack trace with a simple test application
(http://www.libspf2.org/docs/html/ ). Except that my memcpy showed src=0,
len=16. OpenBSD 5.8 i386 with stock libs (from packages). The prebuilt tools
(in /usr/local/libexec/libspf2/) ran fine. My Makefile had:
LDADD+= -lspf2
Segfaults disappeared when I changed that to:
LDADD+= -lbind -lspf2
So yeah, looks like conflicts between symbols.
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