Looks to be insufficient error checking for a NULL msg being parsed. The line in question is: l = strchr(msg, '\n'); if (l) l++; Do you have a sample of the status messages that are being sent at 31485 2014-08-26 15:34:01 xymond_rrd: Got message 21566
@@status#21566/server2|1409060041.082061|IP||server2|queued-requests|1409383096|blue||blue|1409037496|0||1409383096|Disabled (or the "memory" line?)
Regards, -jc On Wed, August 27, 2014 1:45 am, Lukas Kohl wrote:
Hello there, I'm running under xymon Version 4.3.7. Since 4 Weeks I am experiencing these chrashes about 5 to 10 times a day.
These are two example backtracked core dumps:
#0 0x00007f96a06f2b55 in raise () from /lib64/libc.so.6 (gdb) bt #0 0x00007f96a06f2b55 in raise () from /lib64/libc.so.6 #1 0x00007f96a06f4131 in abort () from /lib64/libc.so.6 #2 0x000000000042cde3 in sigsegv_handler (signum=<optimized out>) at sig.c:57 #3 <signal handler called> #4 0x00007f96a07d3e18 in __strchr_sse42 () from /lib64/libc.so.6 #5 0x00000000004092fa in do_ncv_rrd (hostname=0xserver1 "server1", testname=0x7f96a1240b20 "queued-requests", classname=0x4373cd "", pagepaths=0x4373cd "", msg=0x0, tstamp=<optimized out>) at rrd/do_ncv.c:54 #6 0x0000000000412b7b in update_rrd (hostname=0xserver1 "server1", testname=0x7f96a1240b20 "queued-requests", msg=0x0, tstamp=1409060041, sender=<optimized out>, ldef=<optimized out>, classname=0x4373cd "", pagepaths=0x4373cd "") at do_rrd.c:713 #7 0x00000000004034e6 in main (argc=<optimized out>, argv=0x7fff97181608) at xymond_rrd.c:351 (gdb)
(gdb) bt #0 0x00007ffce86e0b55 in raise () from /lib64/libc.so.6 #1 0x00007ffce86e2131 in abort () from /lib64/libc.so.6 #2 0x000000000042cde3 in sigsegv_handler (signum=<optimized out>) at sig.c:57 #3 <signal handler called> #4 0x00007ffce87c4270 in __strstr_sse42 () from /lib64/libc.so.6 #5 0x0000000000410796 in do_memory_rrd (hostname=0xserver2 "server2", testname=0x7ffce92338ee "memory", classname=0x4373cd "", pagepaths=0x4373cd "", msg=0x0, tstamp=1409115365) at rrd/do_memory.c:96
#6 0x0000000000412a3b in update_rrd (hostname=0xserver2 "server2", testname=0x7ffce92338ee "memory", msg=0x0, tstamp=1409115365, sender=<optimized out>, ldef=<optimized out>, classname=0x4373cd "", pagepaths=0x4373cd "") at do_rrd.c:697 #7 0x00000000004034e6 in main (argc=<optimized out>, argv=0x7fff3d717518) at xymond_rrd.c:351
And here is the rrd-status LogFile: 31485 2014-08-26 15:34:01 Want msg 21565, startpos 68046, fillpos 68046, endpos -1, usedbytes=0, bufleft=460337 31485 2014-08-26 15:34:01 Got 568 bytes 31485 2014-08-26 15:34:01 xymond_rrd: Got message 21565 @@status#21565/server|1409060041.082009|IP||server|licensed-connections|1409061841|green||green|1408883326|0||0||1408883303||page|0|
31485 2014-08-26 15:34:01 startpos 68300, fillpos 68614, endpos 68610 31485 2014-08-26 15:34:01 xymond_rrd: Got message 21566 @@status#21566/server2|1409060041.082061|IP||server2|queued-requests|1409383096|blue||blue|1409037496|0||1409383096|Disabled by 31485 2014-08-26 15:34:01 startpos 68614, fillpos 68614, endpos -1 2014-08-26 15:34:01 Peer at 0.0.0.0:0 failed: Broken pipe 2014-08-26 15:34:01 Peer not up, flushing message queue 6944 2014-08-26 15:34:01 Opening file /opt/xymon/server/etc/rrddefinitions.cfg 6944 2014-08-26 15:34:01 Want msg 1, startpos 0, fillpos 0, endpos -1, usedbytes=0, bufleft=528383 6944 2014-08-26 15:34:01 Got 245 bytes 6944 2014-08-26 15:34:01 xymond_rrd: Got message 21570 @@status#21570/server3|1409060041.134654|IP||server3|queued-requests|1409061841|green||green|1408883326|0||0||1408883303||page|0|
6944 2014-08-26 15:34:01 startpos 245, fillpos 245, endpos -1 6944 2014-08-26 15:34:01 Transport setup is: 6944 2014-08-26 15:34:01 xymondportnumber = 1984 6944 2014-08-26 15:34:01 xymonproxyhost = NONE 6944 2014-08-26 15:34:01 xymonproxyport = 0 6944 2014-08-26 15:34:01 Recipient listed as 'IP' 6944 2014-08-26 15:34:01 Standard protocol on port 1984 6944 2014-08-26 15:34:01 Will connect to address IP port 1984 6944 2014-08-26 15:34:01 Connect status is 0 6944 2014-08-26 15:34:01 Sent 16 bytes 6944 2014-08-26 15:34:01 Read 32767 bytes 6944 2014-08-26 15:34:01 Read 32767 bytes 6944 2014-08-26 15:34:01 Read 4287 bytes 6944 2014-08-26 15:34:01 Closing connection
At the Moment I am not able to debug this Problem any further, and I would be very glad, if you can give me a hint in the right direction.
Kind regards, Lukas Kohl _______________________________________________ Xymon mailing list Xymon at xymon.com http://lists.xymon.com/mailman/listinfo/xymon