On 24/09/12 12:52, Amos Jeffries wrote: > On 24/09/2012 8:44 p.m., Linos wrote: >> On 20/09/12 12:58, Ahmed Talha Khan wrote: >>> Hey Guy, All >>> >>> I have started facing a very similar issue now.I have been using >>> squid-3.HEAD-20120421-r12120 for about 5 months without any issues. >>> Suddenly from yesterday ive started getting crahses in ssl_crtd >>> process. >>> >>> >>> In my case i am the only user but i observe that the behaviour is >>> random. Sometimes it crashes and sometimes it works. Different https >>> pages give the crash. Even non https pages have caused the crash. >>> >>> These occur especially on google https pages like docs,mail,calender etc.. >>> >>> The signing cert is also ok and has NOT expired. >>> >>> >>> My squid conf looks like this: >>> ******************************************************* >>> sslproxy_cert_error allow all >>> >>> sslcrtd_program /usr/local/squid-3.3/libexec/ssl_crtd -s >>> /usr/local/squid-3.3/var/lib/ssl_db -M 4MB >>> sslcrtd_children 5 >>> >>> http_port 192.168.8.134:3128 ssl-bump generate-host-certificates=on >>> dynamic_cert_mem_cache_size=4MB >>> cert=/home/asif/squid/www.sample.com.pem >>> key=/home/asif/squid/www.sample.com.pem >>> >>> http_port 192.168.8.134:8080 >>> >>> https_port 192.168.8.134:3129 ssl-bump generate-host-certificates=on >>> dynamic_cert_mem_cache_size=4MB >>> cert=/home/asif/squid/www.sample.com.pem >>> key=/home/asif/squid/www.sample.com.pem >>> ******************************************************* >>> >>> The ssl_db directory is initialized properly with correct permissions. >>> >>> *********************************************************** >>> [talha@localhost lib]$ pwd >>> /usr/local/squid-3.3/var/lib >>> >>> [talha@localhost lib]$ ls -al >>> total 24 >>> drwxrwxrwx 3 root root 4096 Sep 20 15:31 . >>> drwxrwxrwx 6 root root 4096 Sep 20 15:05 .. >>> drwxrwxrwx 3 nobody talha 4096 Sep 20 15:31 ssl_db >>> >>> The size file also has some values in it and cert generation also >>> seems to work but suddenly it all crashes . >>> ************************************************************** >>> >>> >>> >>> 2012/09/20 14:57:45| Starting Squid Cache version >>> 3.HEAD-20120425-r12120 for x86_64-unknown-linux-gnu... >>> 2012/09/20 14:57:45| Process ID 23826 >>> 2012/09/20 14:57:45| Process Roles: master worker >>> 2012/09/20 14:57:45| With 1024 file descriptors available >>> 2012/09/20 14:57:45| Initializing IP Cache... >>> 2012/09/20 14:57:45| DNS Socket created at [::], FD 5 >>> 2012/09/20 14:57:45| DNS Socket created at 0.0.0.0, FD 6 >>> 2012/09/20 14:57:45| Adding nameserver 192.168.8.1 from /etc/resolv.conf >>> 2012/09/20 14:57:45| Adding domain localdomain from /etc/resolv.conf >>> 2012/09/20 14:57:45| helperOpenServers: Starting 5/5 'ssl_crtd' processes >>> 2012/09/20 14:57:45| Logfile: opening log >>> daemon:/usr/local/squid-3.3/var/logs/access.log >>> 2012/09/20 14:57:45| Logfile Daemon: opening log >>> /usr/local/squid-3.3/var/logs/access.log >>> 2012/09/20 14:57:45| Logfile: opening log /usr/local/squid-3.3/var/logs/icap-log >>> 2012/09/20 14:57:45| WARNING: log parameters now start with a module >>> name. Use 'stdio:/usr/local/squid-3.3/var/logs/icap-log' >>> >>> >>> 2012/09/20 14:57:45| Store logging disabled >>> 2012/09/20 14:57:45| Swap maxSize 0 + 262144 KB, estimated 20164 objects >>> 2012/09/20 14:57:45| Target number of buckets: 1008 >>> 2012/09/20 14:57:45| Using 8192 Store buckets >>> 2012/09/20 14:57:45| Max Mem size: 262144 KB >>> 2012/09/20 14:57:45| Max Swap size: 0 KB >>> 2012/09/20 14:57:45| Using Least Load store dir selection >>> 2012/09/20 14:57:45| Set Current Directory to /usr/local/squid-3.3/var/cache >>> 2012/09/20 14:57:45| Loaded Icons. >>> 2012/09/20 14:57:45| HTCP Disabled. >>> 2012/09/20 14:57:45| /usr/local/squid-3.3/var/run/squid.pid: (13) >>> Permission denied >>> 2012/09/20 14:57:45| WARNING: Could not write pid file >>> 2012/09/20 14:57:45| Squid plugin modules loaded: 0 >>> 2012/09/20 14:57:45| Adaptation support is on >>> 2012/09/20 14:57:45| Accepting SSL bumped HTTP Socket connections at >>> local=192.168.8.134:3128 remote=[::] FD 20 flags=9 >>> 2012/09/20 14:57:45| Accepting HTTP Socket connections at >>> local=192.168.8.134:8080 remote=[::] FD 21 flags=9 >>> 2012/09/20 14:57:45| Accepting SSL bumped HTTPS Socket connections at >>> local=192.168.8.134:3129 remote=[::] FD 22 flags=9 >>> 2012/09/20 14:57:46| storeLateRelease: released 0 objects >>> >>> (ssl_crtd): Cannot create ssl certificate or private key. >>> 2012/09/20 14:58:23| WARNING: ssl_crtd #2 exited >>> 2012/09/20 14:58:23| Too few ssl_crtd processes are running (need 1/5) >>> >>> 2012/09/20 14:58:23| Starting new helpers >>> 2012/09/20 14:58:23| helperOpenServers: Starting 1/5 'ssl_crtd' processes >>> 2012/09/20 14:58:23| client_side.cc(3478) sslCrtdHandleReply: >>> "ssl_crtd" helper return <NULL> reply >>> (ssl_crtd): Cannot create ssl certificate or private key. >>> >>> 2012/09/20 14:58:23| WARNING: ssl_crtd #1 exited >>> 2012/09/20 14:58:23| Too few ssl_crtd processes are running (need 1/5) >>> 2012/09/20 14:58:23| storeDirWriteCleanLogs: Starting... >>> 2012/09/20 14:58:23| Finished. Wrote 0 entries. >>> 2012/09/20 14:58:23| Took 0.00 seconds ( 0.00 entries/sec). >>> FATAL: The ssl_crtd helpers are crashing too rapidly, need help! >>> >>> Squid Cache (Version 3.HEAD-20120425-r12120): Terminated abnormally. >>> CPU Usage: 0.355 seconds = 0.289 user + 0.066 sys >>> Maximum Resident Size: 71104 KB >>> Page faults with physical i/o: 0 >>> Memory usage for squid via mallinfo(): >>> total space in arena: 11924 KB >>> Ordinary blocks: 11818 KB 49 blks >>> Small blocks: 0 KB 0 blks >>> Holding blocks: 664 KB 2 blks >>> Free Small blocks: 0 KB >>> Free Ordinary blocks: 105 KB >>> >>> >>> >>> >>> >>> >>> On Thu, Sep 20, 2012 at 2:52 PM, Linos wrote: >>>> On 19/09/12 16:46, Guy Helmer wrote: >>>>>> Thanks for reply. >>>>>> >>>>>> i checked the squid_ssl_db/size because i found the empty file problem >>>>>> searching >>>>>> for my own problem in the mailing list, it's ok in my host, the file have the >>>>>> content "139264" right now. >>>>>> >>>>>> I can't found the core file, do i need to do something for it to generate? >>>>>> maybe >>>>>> a configure script option or squid.conf change to activate it? >>>>>> >>>>>> Regards, >>>>>> Miguel Angel. >>>>> I have >>>>> >>>>> coredump_dir /var/log/squid >>>>> >>>>> to get coredumps in my /var/log/squid directory. Now that I think about it, >>>>> I don't remember if this works for ssl_crtd though -- seems like I have had >>>>> to start "gdb ssl_crtd" and then attach to one of the ssl_crtd processes, >>>>> then generate HTTPS traffic to trigger the request to ssl_crtd and get a >>>>> backtrace when ssl_crtd gets the segfault signal… >>>>> >>>>> Guy >>>>> >>>> Hi, >>>> i have been trying to debug with gdb attaching existing process, the >>>> strange >>>> it's that ssl_ctrd seems to exit normally in this test, here you have it (sorry >>>> for the spanish locale, i will use english next time, the only file with >>>> symbols >>>> it's ssl_crtd itself): >>>> >>>> -------------------------------------------------------------------------------- >>>> >>>> GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04 >>>> Copyright (C) 2012 Free Software Foundation, Inc. >>>> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> >>>> 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". >>>> Para las instrucciones de informe de errores, vea: >>>> <http://bugs.launchpad.net/gdb-linaro/>. >>>> (gdb) attach 10495 >>>> Adjuntando a process 10495 >>>> Leyendo símbolos desde /usr/lib/squid3/ssl_crtd...Leyendo símbolos desde >>>> /usr/lib/debug/usr/lib/squid3/ssl_crtd...hecho. >>>> hecho. >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libcrypto.so.0.9.8...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libcrypto.so.0.9.8 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libstdc++.so.6 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libgcc_s.so.1...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libgcc_s.so.1 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libc.so.6...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libc.so.6 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libdl.so.2...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libdl.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libz.so.1...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libz.so.1 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libm.so.6...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libm.so.6 >>>> Leyendo símbolos desde /lib64/ld-linux-x86-64.so.2...(no se encontraron >>>> símbolos >>>> de depuración)hecho. >>>> Símbolos cargados para /lib64/ld-linux-x86-64.so.2 >>>> 0x00007f3ef414f0a0 in read () from /lib/x86_64-linux-gnu/libc.so.6 >>>> (gdb) continue >>>> Continuando. >>>> [Inferior 1 (process 10495) exited normally] >>>> (gdb) bt >>>> No stack. >>>> >>>> -------------------------------------------------------------------------------- >>>> >>>> >>>> I have tried attaching to squid3 process itself and i have received a signal >>>> here: >>>> >>>> GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04 >>>> Copyright (C) 2012 Free Software Foundation, Inc. >>>> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> >>>> 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". >>>> Para las instrucciones de informe de errores, vea: >>>> <http://bugs.launchpad.net/gdb-linaro/>. >>>> (gdb) attach 10732 >>>> Adjuntando a process 10732 >>>> Leyendo símbolos desde /usr/sbin/squid3...coLeyendo símbolos desde >>>> /usr/lib/debug/usr/sbin/squid3...ntinue >>>> hecho. >>>> hecho. >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libpthread.so.0...(no se >>>> encontraron símbolos de depuración)hecho. >>>> [Depuración de hilo usando libthread_db enabled] >>>> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libpthread.so.0 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libxml2.so.2...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libxml2.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libexpat.so.1...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libexpat.so.1 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libssl.so.0.9.8...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libssl.so.0.9.8 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libcrypto.so.0.9.8...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libcrypto.so.0.9.8 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libkrb5.so.3...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libkrb5.so.3 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libcom_err.so.2...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libcom_err.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libcap.so.2...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libcap.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/librt.so.1...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/librt.so.1 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libltdl.so.7...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libltdl.so.7 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libstdc++.so.6 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libm.so.6...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libm.so.6 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libgcc_s.so.1...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libgcc_s.so.1 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libc.so.6...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libc.so.6 >>>> Leyendo símbolos desde /lib64/ld-linux-x86-64.so.2...(no se encontraron >>>> símbolos >>>> de depuración)hecho. >>>> Símbolos cargados para /lib64/ld-linux-x86-64.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libdl.so.2...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libdl.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libz.so.1...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libz.so.1 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libk5crypto.so.3...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libk5crypto.so.3 >>>> Leyendo símbolos desde /usr/lib/x86_64-linux-gnu/libkrb5support.so.0...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /usr/lib/x86_64-linux-gnu/libkrb5support.so.0 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libkeyutils.so.1...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libkeyutils.so.1 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libresolv.so.2...(no se >>>> encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libresolv.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libnss_files.so.2...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libnss_files.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libnss_compat.so.2...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libnss_compat.so.2 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libnsl.so.1...(no se encontraron >>>> símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libnsl.so.1 >>>> Leyendo símbolos desde /lib/x86_64-linux-gnu/libnss_nis.so.2...(no se >>>> encontraron símbolos de depuración)hecho. >>>> Símbolos cargados para /lib/x86_64-linux-gnu/libnss_nis.so.2 >>>> 0x00007f7d6243dac8 in poll () from /lib/x86_64-linux-gnu/libc.so.6 >>>> (gdb) continue >>>> Continuando. >>>> >>>> Program received signal SIGPIPE, Broken pipe. >>>> 0x00007f7d647becb0 in __write_nocancel () from >>>> /lib/x86_64-linux-gnu/libpthread.so.0 >>>> (gdb) bt >>>> #0 0x00007f7d647becb0 in __write_nocancel () from >>>> /lib/x86_64-linux-gnu/libpthread.so.0 >>>> #1 0x00007f7d63d075c5 in ?? () from /lib/x86_64-linux-gnu/libcrypto.so.0.9.8 >>>> #2 0x00007f7d63d05247 in BIO_write () from >>>> /lib/x86_64-linux-gnu/libcrypto.so.0.9.8 >>>> #3 0x00007f7d63ffafc4 in ssl3_write_pending () from >>>> /lib/x86_64-linux-gnu/libssl.so.0.9.8 >>>> #4 0x00007f7d63ffc853 in ssl3_dispatch_alert () from >>>> /lib/x86_64-linux-gnu/libssl.so.0.9.8 >>>> #5 0x00007f7d63ff9442 in ssl3_shutdown () from >>>> /lib/x86_64-linux-gnu/libssl.so.0.9.8 >>>> #6 0x00007f7d64e8f0f4 in AsyncCall::make (this=0x7f7d687eb390) at >>>> AsyncCall.cc:36 >>>> #7 0x00007f7d64e92117 in AsyncCallQueue::fireNext (this=<optimized out>) at >>>> AsyncCallQueue.cc:54 >>>> #8 0x00007f7d64e92270 in AsyncCallQueue::fire (this=0x7f7d66f5f2c0) at >>>> AsyncCallQueue.cc:40 >>>> #9 0x00007f7d64d7c494 in EventLoop::runOnce (this=0x7fff630b3e60) at >>>> EventLoop.cc:131 >>>> #10 0x00007f7d64d7c568 in EventLoop::run (this=0x7fff630b3e60) at >>>> EventLoop.cc:95 >>>> #11 0x00007f7d64ddc039 in SquidMain (argc=<optimized out>, argv=<optimized >>>> out>) >>>> at main.cc:1500 >>>> #12 0x00007f7d64d10b76 in SquidMainSafe (argv=<optimized out>, argc=<optimized >>>> out>) at main.cc:1215 >>>> #13 main (argc=<optimized out>, argv=<optimized out>) at main.cc:1207 >>>> >>>> Any ideas what's going on with this information? Thansk! >>>> >>>> Regards, >>>> Miguel Angel. >>> >>> >> Hi Ahmed, >> did you found a way to fix or workaround this? i can't get a backtrace >> with the >> information needed and no matter what i try it keeps failing, i had to disable >> ssl and my users are a bit upset. >> >> Regards, >> Miguel Angel. > > I've taken a quick look at these reports and tried to figure out if anything > obvious is going on. > > From what I can see, there is really no reason why the helper should be exiting > like this. Something it is doing produces an exception, fine, but the method of > handling that exception is to exit instead of reporting the problem to Squid and > continuing with further requests. > > As a workaround you can probably patch out the FATAL and let Squid continuously > restart the helpers unless that spams the logs too much for your liking. > > Amos > Thanks Amos, i commented out this section like you advised me and now i am working normally, it's not a fix but it permits me keep using squid normally. Regards, Miguel Angel.
