zbx_regexp():Conditional jump or move depends on uninitialised value(s)
This problem can cause a server stop or SQL like:
13360:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13352:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13286:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13304:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13301:20150607:043101.173 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13313:20150607:043101.181 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13320:20150607:043101.182 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
9909:20150607:043103.189 In DBconnect() flag:1
9909:20150607:043103.210 [Z3001] connection to database 'zbx_2012' failed: [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
9909:20150607:043103.210 Cannot connect to the database. Exiting...
Valgrind output:
==00:05:16:32.610 9574== Conditional jump or move depends on uninitialised value(s)
==00:05:16:32.640 9574== at 0x32CDABA4F8: re_compile_fastmap_iter (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574== by 0x32CDABAC43: re_compile_fastmap (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574== by 0x32CDACD391: regcomp (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574== by 0x454FE2: zbx_regexp (regexp.c:50)
==00:05:16:32.641 9574== by 0x455199: regexp_match_ex (regexp.c:217)
==00:05:16:32.641 9574== by 0x4808F1: lld_check_record (lld.c:39)
==00:05:16:32.641 9574== by 0x4808F1: lld_rows_get (lld.c:119)
==00:05:16:32.641 9574== by 0x4808F1: lld_process_discovery_rule (lld.c:233)
==00:05:16:32.641 9574== by 0x41CDE2: get_values (poller.c:736)
==00:05:16:32.641 9574== by 0x41DFDC: main_poller_loop (poller.c:803)
==00:05:16:32.641 9574== by 0x415168: MAIN_ZABBIX_ENTRY (server.c:1774)
==00:05:16:32.641 9574== by 0x44E57D: daemon_start (daemon.c:286)
==00:05:16:32.641 9574== by 0x32CDA1ED5C: (below main) (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574==
==00:05:16:32.642 9574== Conditional jump or move depends on uninitialised value(s)
==00:05:16:32.642 9574== at 0x32CDABA4F8: re_compile_fastmap_iter (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574== by 0x32CDABAC5B: re_compile_fastmap (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574== by 0x32CDACD391: regcomp (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574== by 0x454FE2: zbx_regexp (regexp.c:50)
==00:05:16:32.642 9574== by 0x455199: regexp_match_ex (regexp.c:217)
==00:05:16:32.642 9574== by 0x4808F1: lld_check_record (lld.c:39)
==00:05:16:32.642 9574== by 0x4808F1: lld_rows_get (lld.c:119)
==00:05:16:32.642 9574== by 0x4808F1: lld_process_discovery_rule (lld.c:233)
==00:05:16:32.642 9574== by 0x41CDE2: get_values (poller.c:736)
==00:05:16:32.642 9574== by 0x41DFDC: main_poller_loop (poller.c:803)
==00:05:16:32.642 9574== by 0x415168: MAIN_ZABBIX_ENTRY (server.c:1774)
==00:05:16:32.642 9574== by 0x44E57D: daemon_start (daemon.c:286)
==00:05:16:32.642 9574== by 0x32CDA1ED5C: (below main) (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574==
Note:
Zabbix server (version 2.0.12)
13360:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13352:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13286:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13304:20150607:043101.170 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13301:20150607:043101.173 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13313:20150607:043101.181 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
13320:20150607:043101.182 Got signal [signal:15(SIGTERM),sender_pid:9909,sender_uid:500, reason:0]. Exiting ...
9909:20150607:043103.189 In DBconnect() flag:1
9909:20150607:043103.210 [Z3001] connection to database 'zbx_2012' failed: [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
9909:20150607:043103.210 Cannot connect to the database. Exiting...
Valgrind output:
==00:05:16:32.610 9574== Conditional jump or move depends on uninitialised value(s)
==00:05:16:32.640 9574== at 0x32CDABA4F8: re_compile_fastmap_iter (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574== by 0x32CDABAC43: re_compile_fastmap (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574== by 0x32CDACD391: regcomp (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574== by 0x454FE2: zbx_regexp (regexp.c:50)
==00:05:16:32.641 9574== by 0x455199: regexp_match_ex (regexp.c:217)
==00:05:16:32.641 9574== by 0x4808F1: lld_check_record (lld.c:39)
==00:05:16:32.641 9574== by 0x4808F1: lld_rows_get (lld.c:119)
==00:05:16:32.641 9574== by 0x4808F1: lld_process_discovery_rule (lld.c:233)
==00:05:16:32.641 9574== by 0x41CDE2: get_values (poller.c:736)
==00:05:16:32.641 9574== by 0x41DFDC: main_poller_loop (poller.c:803)
==00:05:16:32.641 9574== by 0x415168: MAIN_ZABBIX_ENTRY (server.c:1774)
==00:05:16:32.641 9574== by 0x44E57D: daemon_start (daemon.c:286)
==00:05:16:32.641 9574== by 0x32CDA1ED5C: (below main) (in /lib64/libc-2.12.so)
==00:05:16:32.641 9574==
==00:05:16:32.642 9574== Conditional jump or move depends on uninitialised value(s)
==00:05:16:32.642 9574== at 0x32CDABA4F8: re_compile_fastmap_iter (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574== by 0x32CDABAC5B: re_compile_fastmap (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574== by 0x32CDACD391: regcomp (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574== by 0x454FE2: zbx_regexp (regexp.c:50)
==00:05:16:32.642 9574== by 0x455199: regexp_match_ex (regexp.c:217)
==00:05:16:32.642 9574== by 0x4808F1: lld_check_record (lld.c:39)
==00:05:16:32.642 9574== by 0x4808F1: lld_rows_get (lld.c:119)
==00:05:16:32.642 9574== by 0x4808F1: lld_process_discovery_rule (lld.c:233)
==00:05:16:32.642 9574== by 0x41CDE2: get_values (poller.c:736)
==00:05:16:32.642 9574== by 0x41DFDC: main_poller_loop (poller.c:803)
==00:05:16:32.642 9574== by 0x415168: MAIN_ZABBIX_ENTRY (server.c:1774)
==00:05:16:32.642 9574== by 0x44E57D: daemon_start (daemon.c:286)
==00:05:16:32.642 9574== by 0x32CDA1ED5C: (below main) (in /lib64/libc-2.12.so)
==00:05:16:32.642 9574==
Note:
Zabbix server (version 2.0.12)