#18212: odhcp6c is crashing on ar71xx / r43027
------------------------+------------------------
Reporter: bittorf@… | Owner: developers
Type: defect | Status: reopened
Priority: normal | Milestone:
Component: packages | Version: Trunk
Resolution: | Keywords:
------------------------+------------------------
Comment (by bittorf@…):
here again with r43589.
{{{
bastian@server1:~/openwrt$ scripts/remote-gdb
r43589.ar71xx.odhcp6c.3444.6.1418695225.core staging_dir/target-
mips_34kc_uClibc-0.9.33.2/root-ar71xx/usr/sbin/odhcp6c
Using target mips_34kc (uClibc-0.9.33.2)
GNU gdb (Linaro GDB) 7.6-2013.05
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=x86_64-linux-gnu --target=mips-openwrt-
linux-uclibc".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /home/bastian/openwrt/staging_dir/target-
mips_34kc_uClibc-0.9.33.2/root-ar71xx/usr/sbin/odhcp6c...done.
warning: exec file is newer than core file.
[New LWP 3444]
Core was generated by `odhcp6c -s /lib/netifd/dhcpv6.script -P0 -t120
pppoe-wan'.
Program terminated with signal 6, Aborted.
#0 0x773d97d0 in __GI_raise (sig=6) at
libpthread/nptl/sysdeps/unix/sysv/linux/raise.c:67
67 int res = INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) bt full
#0 0x773d97d0 in __GI_raise (sig=6) at
libpthread/nptl/sysdeps/unix/sysv/linux/raise.c:67
err = 0
result_var = 0
pd = 0x77430000
pid = 3444
selftid = 3444
res = <optimized out>
#1 0x773d27c8 in __GI_abort () at libc/stdlib/abort.c:89
sigs = {__val = {32, 0, 0, 0}}
#2 0x773c848c in map_newlink (idx=<optimized out>, ifas=0x8115f0,
map=0x7ffc6250, max=10) at libc/inet/ifaddrs.c:339
i = <optimized out>
#3 0x773c8eb0 in __GI_getifaddrs (ifap=0x7ffc6310) at
libc/inet/ifaddrs.c:579
ifam = 0x811540
rta = <optimized out>
rtasize = <optimized out>
ifa_index = 0
nlh = 0x811530
size = 144
nh = {fd = 8, pid = -4102, seq = 1418695226, nlm_list = 0x80e050,
end_ptr = 0x8115c8}
nlp = 0x811370
ifas = 0x8115f0
i = <optimized out>
newlink = 10
newaddr = <optimized out>
newaddr_idx = 12
map_newlink_data = 0x7ffc6250
ifa_data_size = <optimized out>
ifa_data_ptr = 0x81258c ""
result = 0
#4 0x00404bb4 in ra_process () at /home/bastian/openwrt/build_dir/target-
mips_34kc_uClibc-0.9.33.2/odhcp6c-2014-11-28/src/ra.c:265
ifaddr = 0x0
ifa = <optimized out>
found = false
changed = false
has_lladdr = false
buf =
"\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\005\000\000\000\000\000\000\000\066\000\000\000\000\000\000\000\200",
'\000' <repeats 152 times>,
"\002\220\000\032\000x\000\002\000t\000\001\000\000\000\001"...
cmsg_buf = '\000' <repeats 20 times>,
"\177\374i\270\000\000\000\016\000\200\340\060\000\000\000\032\177\374i\360\000\000\000\000\000\200\340\030\000\000\000\016\000\000\000\000\000\000\000\000\177\374i\320",
'\000' <repeats 12 times>, "\177\374i\314", '\000' <repeats 12 times>,
"\177\374i\334\000\000\000\004\177\374f\370\000\000\000\024\177\374i\250\000\000\000\020\177\374f\270\000\000\000\000\177\374f\270"
adv = 0x7ffc6310
entry = {router = {__in6_u = {__u6_addr8 = '\000' <repeats 15
times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0,
0}}}, length = 0, priority = 0, target = {__in6_u = {__u6_addr8 = '\000'
<repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 =
{0, 0, 0, 0}}}, valid = 0, preferred = 0, t1 = 0, t2 = 0, class = 0, iaid
= 0}
any = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>,
__u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}
#5 0x00402222 in odhcp6c_signal_process () at
/home/bastian/openwrt/build_dir/target-
mips_34kc_uClibc-0.9.33.2/odhcp6c-2014-11-28/src/odhcp6c.c:486
ra_updated = <optimized out>
#6 0x00403aa4 in dhcpv6_request (type=type@entry=DHCPV6_MSG_SOLICIT) at
/home/bastian/openwrt/build_dir/target-
mips_34kc_uClibc-0.9.33.2/odhcp6c-2014-11-28/src/dhcpv6.c:563
buf = "N\251\264i*\r
I\177\374j\200wA\374Xw?\200\000w?\201,wC\260\000wA\374XwC\260\000\177\374k\000w8\260\000wC\022\260\177\374j\250wA\375Hw?\200\000wC\021\\\177\374j\270wA\375HwC\260\000\000\000\000\000wC\260\000wC\000\000wC\000\000wC\022\260wC\022\230\177\374k\000\177\374j\340wB\v<wC\021D\177\374k\020wC\260\000wB\v<\000\000\000\000\000\000\000\000wC\260",
'\000' <repeats 11 times>,
"*\031\000\000\000\000w?#\260w8\262\204w9\035\300w8\324\340", '\000'
<repeats 14 times>,
"*T\000\000\000\020\000\004\370\354\000\000\000\000\000\000"...
t = <optimized out>
opt_end = <optimized out>
cmsg_buf =
"\177\322\361xwB&0\000B:p\000Al`\000Aj\250\177\374x\020\000\000\000\004\000Aj\224"
msg = {msg_name = 0x7ffc718c, msg_namelen = 28, msg_iov =
0x7ffc71d0, msg_iovlen = 1, msg_control = 0x7ffc7150, msg_controllen = 32,
msg_flags = 0}
pktinfo = 0x0
opt = <optimized out>
iov = {iov_base = 0x7ffc6a70, iov_len = 1536}
addr = {sin6_family = 30527, sin6_port = 8832, sin6_flowinfo =
2147250592, sin6_addr = {__in6_u = {__u6_addr8 =
"\000\000\000\034\000\000\000\000\000\000\000\000\000\n\000", __u6_addr16
= {0, 28, 0, 0, 0, 0, 10, 0}, __u6_addr32 = {28, 0, 0, 655360}}},
sin6_scope_id = 0}
tv = {tv_sec = 127, tv_usec = 404000}
round_end = 82004544
rc = 177 '\261'
timeout = <optimized out>
retx = 0x416984 <dhcpv6_retx+24>
start = 76567
round_start = 81895420
elapsed = 81800573
trid = "\177\347\321"
len = -1
rto = 127404
#7 0x00401d10 in main (argc=<optimized out>, argv=<optimized out>) at
/home/bastian/openwrt/build_dir/target-
mips_34kc_uClibc-0.9.33.2/odhcp6c-2014-11-28/src/odhcp6c.c:291
mode = <optimized out>
ia_pd_len = <optimized out>
ia_na_len = <optimized out>
server_id_len = <optimized out>
pidfile = 0x0
script = 0x7ffc7f39 "/lib/netifd/dhcpv6.script"
l = <optimized out>
buf =
"w?\212\300w?\234\300\000\000\000\000\000\000\000\000wC\020\024\000@\020\374\000@\n\301\177\374v\300\000B:p\177\322\361w\000\000\017\367w&WXwC\260\000wA\345\000wA\304HwA\311(\000\000\000\000\000\000\000\000\177\374\177.w?#\260\000\000\004\205w9G\211\000\000\004V\000\000\001\377\000\000\017\367w&WX\177\374w\020wA\343\350w9G\211",
'\000' <repeats 17 times>, "A"
optpos = 0x7ffc7f2e "odhcp6c"
opttype = 4348
optlen = 64
ia_na_mode = IA_MODE_TRY
ia_pd_mode = IA_MODE_TRY
ia_pd_iaid_index = <optimized out>
ifid = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>,
__u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}
sol_timeout = 120
verbosity = 0
help = <optimized out>
daemonize = false
logopt = 1
c = <optimized out>
client_options = <optimized out>
ifname = 0x7ffc7f5d "pppoe-wan"
(gdb)
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/18212#comment:5>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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