<p></p>
<p>Interest stack when Kamailio started with <code>-x tlsf -X tlsf</code> options.</p>
<pre><code>[root@safarov-dell ~]# gdb --args kamailio --atexit=no -DD -P /run/kamailio/kamailio.pid -f /etc/kamailio/kamailio.cfg -m 64 -M 24 -E -x tlsf -X tlsf
GNU gdb (GDB) Fedora 10.1-2.fc33
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Reading symbols from kamailio...
(gdb) set pagination off
(gdb) r
Starting program: /usr/local/sbin/kamailio --atexit=no -DD -P /run/kamailio/kamailio.pid -f /etc/kamailio/kamailio.cfg -m 64 -M 24 -E -x tlsf -X tlsf
Missing separate debuginfos, use: dnf debuginfo-install glibc-2.32-4.fc33.x86_64
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
0x000000000059a6f4 in str_hash_add (ht=0x91f150 <main_rt+16>, e=0x7ffff646fa38) at core/str_hash.h:85
85 clist_insert(&ht->table[h], e, next, prev);
(gdb) bt
#0 0x000000000059a6f4 in str_hash_add (ht=0x91f150 <main_rt+16>, e=0x7ffff646fa38) at core/str_hash.h:85
#1 0x000000000059af9f in route_add (rt=0x91f140 <main_rt>, name=0x834f4e "0", i=0) at core/route.c:134
#2 0x000000000059b661 in init_rlist (r_name=0x834f50 "main", rt=0x91f140 <main_rt>, n_entries=2, hash_size=8) at core/route.c:160
#3 0x000000000059b69d in init_routes () at core/route.c:172
#4 0x0000000000431bf8 in main (argc=16, argv=0x7fffffffe5d8) at main.c:2415
(gdb) bt full
#0 0x000000000059a6f4 in str_hash_add (ht=0x91f150 <main_rt+16>, e=0x7ffff646fa38) at core/str_hash.h:85
h = 6
#1 0x000000000059af9f in route_add (rt=0x91f140 <main_rt>, name=0x834f4e "0", i=0) at core/route.c:134
e = 0x7ffff646fa38
__func__ = "route_add"
#2 0x000000000059b661 in init_rlist (r_name=0x834f50 "main", rt=0x91f140 <main_rt>, n_entries=2, hash_size=8) at core/route.c:160
__func__ = "init_rlist"
#3 0x000000000059b69d in init_routes () at core/route.c:172
No locals.
#4 0x0000000000431bf8 in main (argc=16, argv=0x7fffffffe5d8) at main.c:2415
cfg_stream = 0x7fd81d <__libc_csu_init+77>
c = -1
r = -1
tmp = 0x7fffffffe8ae ""
tmp_len = 896
port = 896
proto = 896
ahost = 0x0
aport = 0
options = 0x801218 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
ret = -1
seed = 896
rfd = 0
debug_save = 0
debug_flag = 0
dont_fork_cnt = 0
n_lst = 0x0
p = 0xc2 <error: Cannot access memory at address 0xc2>
st = {st_dev = 0, st_ino = 0, st_nlink = 0, st_mode = 0, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 0, st_blksize = 0, st_blocks = 0, st_atim = {tv_sec = 0, tv_nsec = 0}, st_mtim = {tv_sec = 0, tv_nsec = 0}, st_ctim = {tv_sec = 0, tv_nsec = 0}, __glibc_reserved = {0, 0, 0}}
tbuf = "\320\341\377\377\377\177\000\000\000\000\000\000\000\000\000\000\320\341\377\377\377\177", '\000' <repeats 18 times>, "\260\027\375\367\377\177\000\000\350\317\377\367\377\177\000\000\b\345\377\367\377\177\000\000\340\031\375\367\377\177\000\000\025\217\376\367\377\177\000\000$f\307\367\377\177\000\000\354K\377\367\377\177\000\000\336K\377\367\377\177\000\000\205\317c\t\000\000\000\000\300S\374\367\377\177\000\000ߏ\376\367\377\177\000\000\000\000\000\000\254\202\226\006\334P\307\367\377\177\000\000\000\000\000\000\000\000\000\000\300S\374\367\377\177\000\000\001\000\000\000\000\000\000\000\271[\244'Z\a\000\000\240\341\377\367\377\177\000\000\370\377\377\377\377\377\377\377\240\341\377\367\377\177\000\000R"...
option_index = 12
long_options = {{name = 0x8038f6 "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x7fe521 "version", has_arg = 0, flag = 0x0, val = 118}, {name = 0x8038fb "alias", has_arg = 1, flag = 0x0, val = 1024}, {name = 0x803901 "subst", has_arg = 1, flag = 0x0, val = 1025}, {name = 0x803907 "substdef", has_arg = 1, flag = 0x0, val = 1026}, {name = 0x803910 "substdefs", has_arg = 1, flag = 0x0, val = 1027}, {name = 0x80391a "server-id", has_arg = 1, flag = 0x0, val = 1028}, {name = 0x803924 "loadmodule", has_arg = 1, flag = 0x0, val = 1029}, {name = 0x80392f "modparam", has_arg = 1, flag = 0x0, val = 1030}, {name = 0x803938 "log-engine", has_arg = 1, flag = 0x0, val = 1031}, {name = 0x803943 "debug", has_arg = 1, flag = 0x0, val = 1032}, {name = 0x803949 "cfg-print", has_arg = 0, flag = 0x0, val = 1033}, {name = 0x803953 "atexit", has_arg = 1, flag = 0x0, val = 1034}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
__func__ = "main"
(gdb) info locals
h = 6
(gdb) list
80 struct str_hash_entry* e)
81 {
82 int h;
83
84 h=get_hash1_raw(e->key.s, e->key.len) % ht->size;
85 clist_insert(&ht->table[h], e, next, prev);
86 }
87
88
89
(gdb) p e
$1 = (struct str_hash_entry *) 0x7ffff646fa38
(gdb) p *e
$2 = {next = 0x834d5f, prev = 0x7ffff646fa10, key = {s = 0x834f4e "0", len = 1}, flags = 0, u = {p = 0x0, s = 0x0, n = 0, data = "\000\000\000\000\000\000\000"}}
(gdb) p *e.next
$3 = {next = 0x6f63203a65726f63, prev = 0x6574756f722f6572, key = {s = 0x632e <error: Cannot access memory at address 0x632e>, len = 1970237952}, flags = 1660970084, u = {p = 0x632e6574756f72, s = 0x632e6574756f72 <error: Cannot access memory at address 0x632e6574756f72>, n = 1953853298, data = "route.c"}}
(gdb) p *e.prev
$4 = {next = 0x834d5f, prev = 0x834d78 <__func__.17>, key = {s = 0x834b3b "core", len = 124}, flags = 56, u = {p = 0x834d5f, s = 0x834d5f "core: core/route.c", n = 8605023, data = "_M\203\000\000\000\000"}}
(gdb) p next
No symbol "next" in current context.
(gdb) p prev
No symbol "prev" in current context.
</code></pre>
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