[SR-Users] Kamailio crashes with double qm_free
Tuan Viet Nguyen
ntvietvn at gmail.com
Fri Feb 28 13:31:49 CET 2014
Hello,
I have another kamailio crash with 4.1.1. The scenario is simple:
+ call a number, fail
+ retry on another peer, fails
In this case, I use t_reply("404", "Not found") then exit. It seems that we
have a double qm_free.
Log file
Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29595]: WARNING: tm
[t_lookup.c:1536]: t_unref(): WARNING: script writer didn't release
transaction
Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29583]: : <core>
[mem/q_malloc.c:468]: qm_free(): BUG: qm_free: freeing already freed
pointer (0x7f9dedb3e110), called from tm: h_table.c: free_cell(157), first
free tm: h_table.c: free_cell(157) - aborting
Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29627]: : <core>
[pass_fd.c:293]: receive_fd(): ERROR: receive_fd: EOF on 19
Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29576]: ALERT: <core>
[main.c:775]: handle_sigs(): child process 29583 exited by a signal 6
Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29576]: ALERT: <core>
[main.c:778]: handle_sigs(): core was generated
core.kamailio.29583
(gdb) bt full
#0 0x00007f9df6afb475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1 0x00007f9df6afe6f0 in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2 0x0000000000548253 in qm_free (qm=0x7f9ded878000, p=0x7f9dedb3e110,
file=0x7f9df515b62d "tm: h_table.c", func=0x7f9df515b7d8 "free_cell",
line=157) at mem/q_malloc.c:470
f = 0x7f9dedb3e0e0
size = 140316274568736
next = 0x0
prev = 0x0
__FUNCTION__ = "qm_free"
#3 0x00007f9df50ee2b3 in free_cell (dead_cell=0x7f9dedb39490) at
h_table.c:157
b = 0x0
i = 2
rpl = 0x0
tt = 0x177dd596e30
foo = 0x7fffdd597400
cbs = 0x7f9dedb39490
cbs_tmp = 0x7fffdd596f10
__FUNCTION__ = "free_cell"
#4 0x00007f9df511c662 in t_unref (p_msg=0x7f9df68bfdb0) at t_lookup.c:1546
kr = 12
__FUNCTION__ = "t_unref"
#5 0x00007f9df5146f4d in w_t_unref (foo=0x7f9df68bfdb0, flags=2147483649,
bar=0x0) at tm.c:765
No locals.
#6 0x00000000004d6f27 in exec_post_script_cb (msg=0x7f9df68bfdb0,
type=REQUEST_CB_TYPE) at script_cb.c:195
cb = 0x7f9df68a97d0
flags = 2147483649
#7 0x00000000004a6e24 in receive_msg (buf=0x921620 "ACK
sip:0123456789 at 10.100.8.7 SIP/2.0\r\nVia: SIP/2.0/UDP
10.100.8.94;branch=z9hG4bKbcd8.9b0d4b2682a07fefaa22406761659624.0\r\nMax-Forwards:
15\r\nFrom: \"via_test\" <sip:0310193301 at 10.100.8.12>;tag=as4d03043"...,
len=375, rcv_info=0x7fffdd5970d0) at receive.c:228
msg = 0x7f9df68bfdb0
ctx = {rec_lev = -581341280, run_flags = 32767, last_retcode = 5,
jmp_env = {{__jmpbuf = {8857080, 0, 0, 0, 0, 140316433164786, 17179869189,
0}, __mask_was_saved = 8856992, __saved_mask = {__val = {1,
140316271892032, 1656210553, 3713626240, 1024, 8008593472,
140316271892032, 140736907014208, 5472467, 1577608202,
140316271892032, 50195, 140316271892032, 140316426284544, 8282899704,
140736907014272}}}}}
ret = 0
inb = {s = 0x921620 "ACK sip:0123456789 at 10.100.8.7 SIP/2.0\r\nVia:
SIP/2.0/UDP
10.100.8.94;branch=z9hG4bKbcd8.9b0d4b2682a07fefaa22406761659624.0\r\nMax-Forwards:
15\r\nFrom: \"via_test\" <sip:0310193301 at 10.100.8.12>;tag=as4d03043"...,
len = 375}
__FUNCTION__ = "receive_msg"
#8 0x000000000053c0d8 in udp_rcv_loop () at udp_server.c:536
len = 375
buf = "ACK sip:0123456789 at 10.100.8.7 SIP/2.0\r\nVia: SIP/2.0/UDP
10.100.8.94;branch=z9hG4bKbcd8.9b0d4b2682a07fefaa22406761659624.0\r\nMax-Forwards:
15\r\nFrom: \"via_test\" <sip:0310193301 at 10.100.8.12>;tag=as4d03043"...
tmp = 0x13e0751a0eb8aa4f <Address 0x13e0751a0eb8aa4f out of bounds>
from = 0x7f9df68a5408
fromlen = 16
ri = {src_ip = {af = 2, len = 4, u = {addrl = {1577608202,
4290224}, addr32 = {1577608202, 0, 4290224, 0}, addr16 = {25610, 24072, 0,
0, 30384, 65, 0, 0}, addr =
"\nd\b^\000\000\000\000\260vA\000\000\000\000"}}, dst_ip = {af = 2, len =
4, u = {addrl = {
117990410, 0}, addr32 = {117990410, 0, 0, 0}, addr16 =
{25610, 1800, 0, 0, 0, 0, 0, 0}, addr = "\nd\b\a", '\000' <repeats 11
times>}}, src_port = 5060, dst_port = 5060, proto_reserved1 = 0,
proto_reserved2 = 0, src_su = {s = {sa_family = 2,
sa_data = "\023\304\nd\b^\000\000\000\000\000\000\000"}, sin
= {sin_family = 2, sin_port = 50195, sin_addr = {s_addr = 1577608202},
sin_zero = "\000\000\000\000\000\000\000"}, sin6 = {sin6_family = 2,
sin6_port = 50195, sin6_flowinfo = 1577608202,
sin6_addr = {__in6_u = {__u6_addr8 = '\000' <repeats 15
times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0,
0}}}, sin6_scope_id = 0}}, bind_address = 0x7f9df6704da8, proto = 1 '\001'}
__FUNCTION__ = "udp_rcv_loop"
#9 0x000000000046ec98 in main_loop () at main.c:1617
i = 5
pid = 0
si = 0x7f9df6704da8
si_desc = "udp receiver child=5 sock=10.100.8.7:5060\000\000\000\001",
'\000' <repeats 19 times>,
"\020\000\000\000\000\000\000\000y\304\267b\000\000\000\000\260vA\000\000\000\000\000\000tY\335\377\177",
'\000' <repeats 18 times>,
"@rY\335\377\177\000\000\002\266K\000\000\000\000"
nrprocs = 8
__FUNCTION__ = "main_loop"
#10 0x0000000000471c38 in main (argc=5, argv=0x7fffdd597408) at main.c:2533
cfg_stream = 0x164c010
c = -1
r = 0
tmp = 0x7fffdd597438 "\211~Y\335\377\177"
tmp_len = 0
port = 5
proto = 0
options = 0x5de800
":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:"
ret = -1
seed = 4192398120
rfd = 4
debug_save = 0
debug_flag = 0
dont_fork_cnt = 0
n_lst = 0xbf
p = 0x416bd9 "H\203\304\b\303" <Address 0x416bde out of bounds>
__FUNCTION__ = "main"
core.kamailio.29576
(gdb) bt full
#0 0x00007f9df6afb475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1 0x00007f9df6afe6f0 in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2 0x0000000000548253 in qm_free (qm=0x7f9ded878000, p=0x7f9dedb3e110,
file=0x7f9df515b62d "tm: h_table.c", func=0x7f9df515b7d8 "free_cell",
line=157) at mem/q_malloc.c:470
f = 0x7f9dedb3e0e0
size = 140316274568736
next = 0x0
prev = 0x0
__FUNCTION__ = "qm_free"
#3 0x00007f9df50ee2b3 in free_cell (dead_cell=0x7f9dedb39490) at
h_table.c:157
b = 0x7f9df464b480 "dialog: dlg_cb.c"
i = 0
rpl = 0x7f9df464b8e0
tt = 0x7f9df4a8cc75
foo = 0x5000548a29
cbs = 0xd000000001
cbs_tmp = 0x1edb086c8
__FUNCTION__ = "free_cell"
#4 0x00007f9df50ef480 in free_hash_table () at h_table.c:441
p_cell = 0x7f9dedb39490
tmp_cell = 0x7f9deda23d90
i = 36299
__FUNCTION__ = "free_hash_table"
#5 0x00007f9df5102d35 in tm_shutdown () at t_funcs.c:122
__FUNCTION__ = "tm_shutdown"
#6 0x00000000004f8101 in destroy_modules () at sr_module.c:817
t = 0x7f9df670fd50
foo = 0x7f9df670f588
__FUNCTION__ = "destroy_modules"
#7 0x00000000004689b2 in cleanup (show_status=1) at main.c:560
memlog = 32669
__FUNCTION__ = "cleanup"
#8 0x0000000000469aab in shutdown_children (sig=15, show_status=1) at
main.c:702
__FUNCTION__ = "shutdown_children"
#9 0x000000000046b146 in handle_sigs () at main.c:793
chld = 0
chld_status = 134
memlog = 0
__FUNCTION__ = "handle_sigs"
#10 0x000000000046f549 in main_loop () at main.c:1746
i = 8
pid = 29627
si = 0x0
si_desc = "udp receiver child=7 sock=91.213.79.31:5060\000\001",
'\000' <repeats 19 times>,
"\020\000\000\000\000\000\000\000y\304\267b\000\000\000\000\260vA\000\000\000\000\000\000tY\335\377\177",
'\000' <repeats 18 times>,
"@rY\335\377\177\000\000\002\266K\000\000\000\000"
nrprocs = 8
__FUNCTION__ = "main_loop"
#11 0x0000000000471c38 in main (argc=5, argv=0x7fffdd597408) at main.c:2533
cfg_stream = 0x164c010
c = -1
r = 0
tmp = 0x7fffdd597438 "\211~Y\335\377\177"
tmp_len = 0
port = 5
proto = 0
options = 0x5de800
":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:"
ret = -1
seed = 4192398120
rfd = 4
debug_save = 0
debug_flag = 0
dont_fork_cnt = 0
n_lst = 0xbf
p = 0x416bd9 "H\203\304\b\303" <Address 0x416bde out of bounds>
__FUNCTION__ = "main"
Thanks for your help
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