<p></p>
<p>segfault when <code>modparam("presence", "subs_db_mode", 0)</code></p>
<pre><code>(gdb)
(gdb) bt full
#0 0x00007f12607da547 in atomic_cmpxchg_int (var=0x8, old=0, new_v=1) at ../../core/mem/../atomic/atomic_x86.h:224
ret = 32530
#1 0x00007f12607da57b in futex_get (lock=0x8) at ../../core/mem/../futexlock.h:99
v = 21864
i = 1024
#2 0x00007f12607fe0d0 in update_db_subs_timer_dbnone (no_lock=0) at subscribe.c:2079
i = 0
now = 1587487071
s = 0x0
prev_s = 0x0
del_s = 0x5568ae3160b0
__func__ = "update_db_subs_timer_dbnone"
#3 0x00007f1260802121 in timer_db_update (ticks=61825161, param=0x0) at subscribe.c:2441
no_lock = 0
__func__ = "timer_db_update"
#4 0x00005568ade05b2e in sr_wtimer_exec (ticks=61825161, param=0x0) at core/timer_proc.c:433
wt = 0x7f126821dae8
wn = 0x0
wp = 0x0
cs = 4
__func__ = "sr_wtimer_exec"
#5 0x00005568ade04b58 in fork_sync_timer (child_id=-1, desc=0x5568ae01a3a1 "secondary timer", make_sock=1, f=0x5568ade057a8 <sr_wtimer_exec>, param=0x0, interval=1000) at core/timer_proc.c:267
pid = 0
ts1 = 989202582
ts2 = 1000
#6 0x00005568ade05ece in sr_wtimer_start () at core/timer_proc.c:459
__func__ = "sr_wtimer_start"
#7 0x00005568adc05e24 in main_loop () at main.c:1452
i = 21864
pid = 6405
si = 0x0
si_desc = "H4\037h\022\177\000\000\b\201\026h\022\177\000\000\000\000\200\000\003\000\000\000`.\022h\022\177", '\000' <repeats 13 times>, "\004\000\000\000\000H9\037h\022\177\000\000\323u\000\256hU\000\000\200\243\001\225\375\177\000\000\207ыh\022\177\000\000`\243\001\225\375\177\000\000 \000\000\000\060\000\000\000p\243\001\225\375\177\000\000\260\242\001\225\375\177\000\000\323u\000\256hU\000\000Pw\037h\022\177\000"
nrprocs = 0
woneinit = 21864
__func__ = "main_loop"
#8 0x00005568adc123e7 in main (argc=9, argv=0x7ffd9501a8a8) at main.c:2845
cfg_stream = 0x5568b01ad010
c = -1
r = 0
---Type <return> to continue, or q <return> to quit---
tmp = 0x7f126976e708 ""
tmp_len = 0
port = 0
proto = 32765
ahost = 0x0
aport = 0
options = 0x5568adfd3918 ":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 = 4119354055
rfd = 4
debug_save = 4
debug_flag = 1
dont_fork_cnt = 1
n_lst = 0x7f126976d948 <_rtld_global+2312>
p = 0x7f1268907010 <handle_intel+144> "H\205\300uTD9t$\fA\215V\001v0A\211ָ\002"
st = {st_dev = 18, st_ino = 63494, st_nlink = 2, st_mode = 16832, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 60, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1587484687, tv_nsec = 26720353}, st_mtim = {
tv_sec = 1587486933, tv_nsec = 570847206}, st_ctim = {tv_sec = 1587486933, tv_nsec = 570847206}, __glibc_reserved = {0, 0, 0}}
tbuf = "\330\331vi\022\177\000\000\220Q\342h\022\177\000\000H\331vi\022\177\000\000\370\250\001\225\375\177\000\000p\341vi\022\177\000\000\000\000\000\000\000\000\000\000@\320vi\022\177\000\000\224{Ui\022\177\000\000\001", '\000' <repeats 15 times>, "\350\244\001\225\375\177\000\000\360,\207h\022\177\000\000 \247\001\225\375\177\000\000\332\361Ui\022\177\000\000\300@\301h\022\177\000\000\327\352\224h\022\177\000\000\240K\342h\022\177\000\000\200\071\301h\022\177\000\000(\224\342h\022\177\000\000\000\020", '\000' <repeats 14 times>, "\310\344vi\022\177\000\000\000\000\000\000\000\000\000\000ؗTi\022\177\000\000\220\223Ti\022\177\000\000\200"...
option_index = 0
long_options = {{name = 0x5568adfd5916 "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x5568adfd10e9 "version", has_arg = 0, flag = 0x0, val = 118}, {name = 0x5568adfd591b "alias", has_arg = 1, flag = 0x0, val = 1024}, {
name = 0x5568adfd5921 "subst", has_arg = 1, flag = 0x0, val = 1025}, {name = 0x5568adfd5927 "substdef", has_arg = 1, flag = 0x0, val = 1026}, {name = 0x5568adfd5930 "substdefs", has_arg = 1, flag = 0x0, val = 1027}, {
name = 0x5568adfd593a "server-id", has_arg = 1, flag = 0x0, val = 1028}, {name = 0x5568adfd5944 "loadmodule", has_arg = 1, flag = 0x0, val = 1029}, {name = 0x5568adfd594f "modparam", has_arg = 1, flag = 0x0, val = 1030}, {
name = 0x5568adfd5958 "log-engine", has_arg = 1, flag = 0x0, val = 1031}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
__func__ = "main"
(gdb)
</code></pre>
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