[OpenSIPS-Users] Crash in logging

[Bogdan-Andrei Iancu]

Discussion continued here https://github.com/OpenSIPS/opensips/issues/1472

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   http://www.opensips-solutions.com
OpenSIPS Bootcamp 2018
   http://opensips.org/training/OpenSIPS_Bootcamp_2018/

On 09/20/2018 08:19 PM, Dan Pascu wrote:
> On 20 Sep 2018, at 19:08, Bogdan-Andrei Iancu wrote:
>
>> Hi Dan,
>>
>> Please report this on the GitHub tracker ; in addition - is the crash reproducible , have you identified the faulty xlog() in your script ? is all the time the same ?
> It happened multiple times, but I cannot reproduce it at will. The crashes are random. What seems to be common in all cases is that the frm variable in frame 12 looks like corrupted memory. The value there seems to always be different, but always garbage.
>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>>
>> OpenSIPS Founder and Developer
>>   http://www.opensips-solutions.com
>> OpenSIPS Bootcamp 2018
>>   http://opensips.org/training/OpenSIPS_Bootcamp_2018/
>>
>> On 09/20/2018 06:59 PM, Dan Pascu wrote:
>>> Here is another crash that happened multiple times:
>>>
>>> Core was generated by `/usr/sbin/opensips -w /run/opensips -P opensips.pid -m 512'.
>>> Program terminated with signal SIGABRT, Aborted.
>>> #0  0xb770ccf9 in __kernel_vsyscall ()
>>> (gdb) bt
>>> #0  0xb770ccf9 in __kernel_vsyscall ()
>>> #1  0xb7546dd0 in __libc_signal_restore_set (set=0xbfb81eb0) at ../sysdeps/unix/sysv/linux/nptl-signals.h:79
>>> #2  __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:48
>>> #3  0xb7548297 in __GI_abort () at abort.c:89
>>> #4  0xb758238f in __libc_message (do_abort=<optimized out>, fmt=<optimized out>) at ../sysdeps/posix/libc_fatal.c:175
>>> #5  0xb7588fc7 in malloc_printerr (action=<optimized out>, str=0xb7678cc6 "corrupted size vs. prev_size", ptr=<optimized out>, ar_ptr=0xb76ce780 <main_arena>) at malloc.c:5049
>>> #6  0xb758b4d5 in _int_malloc (av=av at entry=0xb76ce780 <main_arena>, bytes=bytes at entry=360) at malloc.c:3765
>>> #7  0xb758cbf5 in __GI___libc_malloc (bytes=360) at malloc.c:2928
>>> #8  0xb7580d8b in __GI___open_memstream (bufloc=0xbfb823ac, sizeloc=0xbfb823b0) at memstream.c:76
>>> #9  0xb75fdf35 in __GI___vsyslog_chk (pri=134, flag=1, fmt=0x65edf4 "%.*s", ap=0xbfb8245c "\035") at ../misc/syslog.c:167
>>> #10 0xb75fe449 in __syslog_chk (pri=134, flag=1, fmt=0x65edf4 "%.*s") at ../misc/syslog.c:129
>>> #11 0x0052bd6b in syslog (__fmt=0x65edf4 "%.*s", __pri=<optimized out>) at /usr/include/i386-linux-gnu/bits/syslog.h:31
>>> #12 xlog_2 (msg=0x190d480, lev=0x18dba80 "", frm=0x18dbac0 " \372\177\001\035") at xlog.c:230
>>> #13 0x004efc5a in do_action (a=0x17ffaa8, msg=0x190d480) at action.c:1638
>>> #14 0x004f300a in run_action_list (a=0x17ffaa8, msg=0x190d480) at action.c:172
>>> #15 0x004f2041 in do_action (a=0x1800678, msg=0x190d480) at action.c:1130
>>> #16 0x004f300a in run_action_list (a=0x17f9ad0, msg=0x190d480) at action.c:172
>>> #17 0x004f330a in run_actions (msg=0x190d480, a=0x17f9ad0) at action.c:137
>>> #18 run_top_route (a=0x17f9ad0, msg=0x190d480) at action.c:214
>>> #19 0x004f9a33 in receive_msg (buf=<optimized out>, len=<optimized out>, rcv_info=<optimized out>, existing_context=<optimized out>, flags=<optimized out>) at receive.c:209
>>> #20 0x00642878 in tcp_handle_req (_max_msg_chunks=<optimized out>, con=0x97d793ec, req=0x77bea0 <tcp_current_req>) at net/proto_tcp/tcp_common.h:411
>>> #21 tcp_read_req (con=0x97d793ec, bytes_read=0xbfb82f18) at net/proto_tcp/proto_tcp.c:1179
>>> #22 0x00622a8e in handle_io (fm=<optimized out>, idx=idx at entry=0, event_type=event_type at entry=1) at net/net_tcp_proc.c:241
>>> #23 0x006250d5 in io_wait_loop_epoll (h=<optimized out>, t=<optimized out>, repeat=<optimized out>) at net/../io_wait_loop.h:280
>>> #24 tcp_worker_proc_loop () at net/net_tcp_proc.c:386
>>> #25 0x00630993 in tcp_start_processes (chd_rank=0x758980 <chd_rank>, startup_done=0x0) at net/net_tcp.c:1887
>>> #26 0x004d642c in main_loop () at main.c:761
>>> #27 main (argc=<optimized out>, argv=<optimized out>) at main.c:1407
>>>
>>> --
>>> Dan
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opensips.org
>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
> --
> Dan
>
>
>
>