root@vorlage:~# gdb /usr/sbin/milter-greylist GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1 Copyright (C) 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/sbin/milter-greylist...(no debugging symbols found)...done. (gdb) run -D Starting program: /usr/sbin/milter-greylist -D [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". load list item 127.0.0.0/255.0.0.0 load list item 10.0.0.0/255.0.0.0 load list item 192.0.2.0/255.255.255.0 load list type net_list, stage ANY load list name "my network" load list item 70.103.162.0/255.255.255.0 load list item 140.211.166.0/255.255.255.0 load list item 192.25.206.0/255.255.255.0 load list item 194.109.137.218/255.255.255.255 load list type net_list, stage ANY load list name "my friends" load list item 12.5.136.141/255.255.255.255 load list item 12.5.136.142/255.255.255.255 load list item 12.5.136.143/255.255.255.255 load list item 12.5.136.144/255.255.255.255 load list item 12.107.209.244/255.255.255.255 load list item 12.107.209.250/255.255.255.255 load list item 63.82.37.110/255.255.255.255 load list item 63.169.44.143/255.255.255.255 load list item 63.169.44.144/255.255.255.255 load list item 64.7.153.18/255.255.255.255 load list item 64.12.136.0/255.255.255.0 load list item 64.12.137.0/255.255.255.0 load list item 64.12.138.0/255.255.255.0 load list item 64.124.204.39/255.255.255.255 load list item 64.125.132.254/255.255.255.255 load list item 64.233.160.0/255.255.224.0 load list item 66.94.237.16/255.255.255.240 load list item 66.94.237.32/255.255.255.240 load list item 66.94.237.48/255.255.255.252 load list item 66.100.210.82/255.255.255.255 load list item 66.135.192.0/255.255.224.0 load list item 66.162.216.166/255.255.255.255 load list item 66.206.22.82/255.255.255.255 load list item 66.206.22.83/255.255.255.255 load list item 66.206.22.84/255.255.255.255 load list item 66.206.22.85/255.255.255.255 load list item 66.218.66.0/255.255.254.0 load list item 66.218.66.0/255.255.254.0 load list item 66.218.68.0/255.255.254.0 load list item 66.218.68.0/255.255.254.0 load list item 66.27.51.218/255.255.255.255 load list item 66.102.0.0/255.255.240.0 load list item 66.249.80.0/255.255.240.0 load list item 72.14.192.0/255.255.192.0 load list item 74.125.0.0/255.255.0.0 load list item 152.163.225.0/255.255.255.0 load list item 194.245.101.88/255.255.255.255 load list item 195.235.39.19/255.255.255.255 load list item 195.238.2.0/255.255.255.0 load list item 195.238.3.0/255.255.255.0 load list item 195.46.220.208/255.255.255.255 load list item 195.46.220.209/255.255.255.255 load list item 195.46.220.210/255.255.255.255 load list item 195.46.220.211/255.255.255.255 load list item 195.46.220.221/255.255.255.255 load list item 195.46.220.222/255.255.255.255 load list item 195.238.2.0/255.255.255.0 load list item 195.238.3.0/255.255.255.0 load list item 204.107.120.10/255.255.255.255 load list item 205.188.0.0/255.255.0.0 load list item 205.206.231.0/255.255.255.0 load list item 207.115.63.0/255.255.255.0 load list item 207.171.168.0/255.255.255.0 load list item 207.171.180.0/255.255.255.0 load list item 207.171.187.0/255.255.255.0 load list item 207.171.188.0/255.255.255.0 load list item 207.171.190.0/255.255.255.0 load list item 209.132.176.174/255.255.255.255 load list item 209.85.128.0/255.255.128.0 load list item 211.29.132.0/255.255.255.0 load list item 213.136.52.31/255.255.255.255 load list item 216.33.244.0/255.255.255.0 load list item 216.239.32.0/255.255.224.0 load list item 217.158.50.178/255.255.255.255 load list type net_list, stage ANY load list name "broken mta" load list item "user1@example.com" load list item "user2@example.com" load list item "user3@example.com" item "user1@example.com" changing type from email to rcpt item "user2@example.com" changing type from email to rcpt item "user3@example.com" changing type from email to rcpt load list type rcpt_list, stage ANY load list name "grey users" load acl from_re /.*/ load acl addheader "X-Greylist: inspected by %V for IP:'%i' DOMAIN:'%d' HELO:'%h' FROM:'%f' RCPT:'%r'",-1 register acl last CONTINUE load list item 192.168.100.100/255.255.255.255 load list type net_list, stage ANY load list name "my_bl_1" load list item 192.168.100.100/255.255.255.255 load list type net_list, stage ANY load list name "my_bl_2" load list item 192.168.100.100/255.255.255.255 load list type net_list, stage ANY load list name "my_bl_3" load acl set $score "1" register acl last CONTINUE switching ACL clause "my network" from type list to net_list load acl list "my network" register acl last WHITELIST switching ACL clause "my friends" from type list to net_list load acl list "my friends" register acl last WHITELIST switching ACL clause "broken mta" from type list to net_list load acl list "broken mta" register acl last WHITELIST switching ACL clause "grey users" from type list to rcpt_list load acl list "grey users" load acl delay 1920 load acl autowhite 259200 register acl last GREYLIST register acl last WHITELIST loaded config file "/etc/milter-greylist/greylist.conf" in 0.009624s Access list dump: racl 142 continue from_re /.*/ [addheader "X-Greylist: inspected by %V for IP:'%i' DOMAIN:'%d' HELO:'%h' FROM:'%f' RCPT:'%r'"] racl 172 continue set $score "1" [maxpeek -1] racl 187 whitelist net_list "my network" [maxpeek -1] racl 188 whitelist net_list "my friends" [maxpeek -1] racl 189 whitelist net_list "broken mta" [maxpeek -1] racl 198 greylist rcpt_list "grey users" [delay 1920] [aw 259200] [maxpeek -1] racl 199 whitelist [maxpeek -1] default [New Thread 0x7ffff13cb700 (LWP 1629)] [New Thread 0x7ffff0bca700 (LWP 1630)] [New Thread 0x7ffff03c9700 (LWP 1631)] [New Thread 0x7fffefbc8700 (LWP 1632)] [New Thread 0x7fffef3c7700 (LWP 1633)] [New Thread 0x7fffeebc6700 (LWP 1634)] [*** I changed greylist.conf changed here and then connect via telnet again ***] [New Thread 0x7fffee3c5700 (LWP 1710)] *** Error in `/usr/sbin/milter-greylist': double free or corruption (fasttop): 0x0000000000685b40 *** Program received signal SIGABRT, Aborted. [Switching to Thread 0x7fffee3c5700 (LWP 1710)] 0x00007ffff6b2dc37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 56 ../nptl/sysdeps/unix/sysv/linux/raise.c: Datei oder Verzeichnis nicht gefunden. (gdb) (gdb) bt #0 0x00007ffff6b2dc37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #1 0x00007ffff6b31028 in __GI_abort () at abort.c:89 #2 0x00007ffff6b6a2a4 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7ffff6c786b0 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 #3 0x00007ffff6b7655e in malloc_printerr (ptr=, str=0x7ffff6c78878 "double free or corruption (fasttop)", action=1) at malloc.c:4996 #4 _int_free (av=, p=, have_lock=0) at malloc.c:3840 #5 0x00000000004125dc in ?? () #6 0x000000000041460e in ?? () #7 0x0000000000415315 in ?? () #8 0x000000000041051a in ?? () #9 0x00007ffff772e184 in start_thread (arg=0x7fffee3c5700) at pthread_create.c:312 #10 0x00007ffff6bf137d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 (gdb)