On sze, szept 25, 2013 at 21:57:59 +0200, Reyk Floeter wrote:
> Hi,
> 
> 
> On 25.09.2013, at 15:23, LEVAI Daniel <l...@ecentrum.hu> wrote:
[...]
> > Thanks! Here is gdb's output:
> > 
> > # gdb /sbin/iked iked.core
> > GNU gdb 6.3
> > Copyright 2004 Free Software Foundation, Inc.
> > GDB is free software, covered by the GNU General Public License, and you are
> > welcome to change it and/or distribute copies of it under certain 
> > conditions.
> > Type "show copying" to see the conditions.
> > There is absolutely no warranty for GDB.  Type "show warranty" for details.
> > This GDB was configured as "i386-unknown-openbsd5.3"...
> > Core was generated by `iked'.
> > Program terminated with signal 11, Segmentation fault.
> > #0  0x1c01726b in ikev2_msg_send (env=0x86e6b000, msg=0xcfbeee10) at 
> > /usr/src/sbin/iked/ikev2_msg.c:296
> > 296         m->msg_exchange = hdr->ike_exchange;
> 
> this shouldn't fail, it sounds like memory corruption somewhere else.
> 
> but can you also print *m and *hdr in gdb?
> 
> Reyk

Good call:

# gdb /sbin/iked iked.core
GNU gdb 6.3
[...]
This GDB was configured as "i386-unknown-openbsd5.3"...
Core was generated by `iked'.
Program terminated with signal 11, Segmentation fault.
#0  0x1c01726b in ikev2_msg_send (env=0x86e6b000, msg=0xcfbeee10) at 
/usr/src/sbin/iked/ikev2_msg.c:296

warning: Source file is more recent than executable.

296             m->msg_exchange = hdr->ike_exchange;
(gdb) print *m
$1 = {msg_data = 0x7eda8d60, msg_offset = 4, msg_local = {ss_len = 16 '\020', 
ss_family = 2 '\002', __ss_pad1 = "\021\224N\203W, __ss_pad2 = 0,
    __ss_pad3 = '\0' <repeats 239 times>}, msg_locallen = 16, msg_peer = 
{ss_len = 16 '\020', ss_family = 2 '\002', __ss_pad1 = "\022\231[Rj\202", 
__ss_pad2 = 0,
    __ss_pad3 = '\0' <repeats 239 times>}, msg_peerlen = 16, msg_sock = 0x0, 
msg_fd = 12, msg_response = 1, msg_natt = 0, msg_error = 0, msg_e = 0, 
msg_parent = 0x87268c00,
  msg_policy = 0x0, msg_sa = 0x89ed0000, msg_msgid = 1, msg_exchange = 0 '\0', 
msg_proposals = {tqh_first = 0x0, tqh_last = 0x87268e40}, msg_rekey = {spi = 0, 
spi_size = 0 '\0',
    spi_protoid = 0 '\0'}, msg_nonce = 0x0, msg_ke = 0x0, msg_auth = {id_type = 
0 '\0', id_offset = 0 '\0', id_buf = 0x0}, msg_id = {id_type = 0 '\0', 
id_offset = 0 '\0',
    id_buf = 0x0}, msg_cert = {id_type = 0 '\0', id_offset = 0 '\0', id_buf = 
0x0}, msg_prop = 0x0, msg_attrlength = 0, msg_timer = {tmr_ev = {ev_next = 
{tqe_next = 0x0,
        tqe_prev = 0x0}, ev_active_next = {tqe_next = 0x0, tqe_prev = 0x0}, 
ev_signal_next = {tqe_next = 0x0, tqe_prev = 0x0}, min_heap_idx = 0, ev_base = 
0x0, ev_fd = 0,
      ev_events = 0, ev_ncalls = 0, ev_pncalls = 0x0, ev_timeout = {tv_sec = 0, 
tv_usec = 0}, ev_pri = 0, ev_callback = 0, ev_arg = 0x0, ev_res = 0, ev_flags = 
0},
    tmr_env = 0x0, tmr_cb = 0, tmr_cbarg = 0x0}, msg_entry = {tqe_next = 0x0, 
tqe_prev = 0x0}, msg_tries = 0}
(gdb) print *hdr
Cannot access memory at address 0x818dc000


I must say, that I'm running with: /etc/malloc.conf@ -> S
... if that alters the equation.


Daniel

-- 
LÉVAI Dániel
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