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When starting my kamailio with my complete kamailio.cfg, I have crash reporting
*** Error in `/usr/sbin/kamailio': realloc(): invalid next size: 0x0000000001060980 ***
The issue looks to be related to using "app_lua" module. However, the issue don't
always show up. If I remove ONE modules, it won't crash. I've been trying to get a
simple config to crash, but I have to keep many modules to reproduce the crash.
The crash is happening line 228 of app_lua_api.c:
if(luaL_dostring(L, "sr.probe()")!=0)
Can't start kamailio.
I have attached my minimal kamailio4.cfg file to reproduce the crash. I have removed
my DBURL credentials.
kamailio4.cfg.txt
I'm starting kamailio with:
/usr/sbin/kamailio -D -f kamailio4.cfg -e -E -ddd
Core was generated by /usr/sbin/kamailio -D -f kamailio4.cfg -e -E -ddd'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f8ecfb62067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) bt #0 0x00007f8ecfb62067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #1 0x00007f8ecfb63448 in __GI_abort () at abort.c:89 #2 0x00007f8ecfba01b4 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f8ecfc95210 "*** Error in%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#3 0x00007f8ecfba598e in malloc_printerr (action=1, str=0x7f8ecfc9142a "realloc(): invalid next size", ptr=) at malloc.c:4996
#4 0x00007f8ecfba876b in _int_realloc (av=av@entry=0x7f8ecfed2620 <main_arena>, oldp=oldp@entry=0x1060970, oldsize=oldsize@entry=736, nb=nb@entry=1552) at malloc.c:4234
#5 0x00007f8ecfba9769 in _GI___libc_realloc (oldmem=0x1060980, bytes=1536) at malloc.c:3029
#6 0x00007f8ec324acae in luaM_realloc (L=L@entry=0x10605c0, block=block@entry=0x1060980, osize=720, nsize=nsize@entry=1536) at lmem.c:79
#7 0x00007f8ec32469aa in luaD_reallocstack (L=0x10605c0, newsize=90) at ldo.c:145
#8 0x00007f8ec324b66d in open_func (ls=ls@entry=0x7ffe459b9720, fs=fs@entry=0x7ffe459b9780) at lparser.c:350
#9 0x00007f8ec324e0b3 in luaY_parser (L=0x10605c0, z=0x7ffe459b9bf0, buff=, name=) at lparser.c:388
#10 0x00007f8ec3246cd1 in f_parser (L=L@entry=0x10605c0, ud=ud@entry=0x7ffe459b9ba0) at ldo.c:498
#11 0x00007f8ec324692e in luaD_rawrunprotected (L=L@entry=0x10605c0, f=f@entry=0x7f8ec3246c80 <f_parser>, ud=ud@entry=0x7ffe459b9ba0) at ldo.c:116
#12 0x00007f8ec32477bb in luaD_pcall (L=L@entry=0x10605c0, func=func@entry=0x7f8ec3246c80 <f_parser>, u=u@entry=0x7ffe459b9ba0, old_top=672, ef=) at ldo.c:464
#13 0x00007f8ec32478c2 in luaD_protectedparser (L=L@entry=0x10605c0, z=z@entry=0x7ffe459b9bf0, name=name@entry=0x7f8ec350547e "sr.probe()") at ldo.c:514
#14 0x00007f8ec3243528 in lua_load (L=0x10605c0, reader=reader@entry=0x7f8ec3252940 , data=data@entry=0x7ffe459b9c40, chunkname=0x7f8ec350547e "sr.probe()") at lapi.c:869
#15 0x00007f8ec3253d8c in luaL_loadbuffer (L=, buff=, size=, name=) at lauxlib.c:614
#16 0x00007f8ec34e87d7 in lua_sr_init_probe () from /usr/lib/x86_64-linux-gnu/kamailio/modules/app_lua.so
#17 0x00007f8ec347497d in ?? () from /usr/lib/x86_64-linux-gnu/kamailio/modules/app_lua.so
#18 0x0000000000549a00 in ?? ()
#19 0x0000000000549d92 in init_child ()
#20 0x00000000004214c8 in main_loop ()
#21 0x000000000042aae9 in main ()
(gdb)
(gdb) info locals
resultvar = 0
pid = 23353
selftid = 23353
I'm copy/pasting a few logs from the app_lua module. If you wish more, let me know.
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.hdr (hdr)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.jsonrpcs (jsonrpcs)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.kex (kex)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.tm (tm)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.tmx (tmx)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.sl (sl)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.tsilo (tsilo)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.rr (rr)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.pvx (pvx)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.maxfwd (maxfwd)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.registrar (registrar)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.textops (textops)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.siputils (siputils)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.sanity (sanity)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.acc (acc)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.uri_db (uri_db)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.auth (auth)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.auth_db (auth_db)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.permissions (permissions)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.alias_db (alias_db)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.domain (domain)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.presence (presence)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.presence_xml (presence_xml)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.nathelper (nathelper)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.rtpproxy (rtpproxy)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.tls (tls)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.pike (pike)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.htable (htable)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.xhttp (xhttp)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.websocket (websocket)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.sqlops (sqlops)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.cfgutils (cfgutils)
0(23353) DEBUG: app_lua [app_lua_sr.c:1975]: lua_sr_kemi_register_libs(): initializing kemi sub-module: KSR.app_lua (app_lua)
0(23353) DEBUG: app_lua [app_lua_sr.c:1978]: lua_sr_kemi_register_libs(): module 'KSR' has been initialized
Not applicable. The proxy crash before starting.
I haven't been able to find any clue.
I'm using a debian running jessie with debian package from http://deb.kamailio.org/kamailio51
I have installed liblua5.1-0-dbg to have more backtrace from the core dump.
$ /usr/sbin/kamailio -v
version: kamailio 5.1.1 (x86_64/linux)
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled with gcc 4.9.2
$ uname -a
Linux sip.antisip.com 3.16.0-5-amd64 #1 SMP Debian 3.16.51-3+deb8u1 (2018-01-08) x86_64 GNU/Linux
Tks for looking at this!
Ay
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