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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Exact same situation running kernel 4.11.6-1.el7.elrepo.x86_64. Unfortunately my Linux/Java skills aren’t particularly impressive –
is there a feasible workaround to maintain my present kernel without having to go back to 3.10.x at all?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thanks!
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> syslog-ng [mailto:syslog-ng-bounces@lists.balabit.hu]
<b>On Behalf Of </b>Czanik, Péter<br>
<b>Sent:</b> 23 June 2017 13:43<br>
<b>To:</b> Syslog-ng users' and developers' mailing list <syslog-ng@lists.balabit.hu><br>
<b>Subject:</b> Re: [syslog-ng] java destinations<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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Yes. Going back to an older kernel resolved (worked around...) the problem.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Thank you and have a nice weekend!<o:p></o:p></p>
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<p class="MsoNormal">CzP<o:p></o:p></p>
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<p class="MsoNormal"><br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal">Peter Czanik (CzP) <<a href="mailto:peter.czanik@balabit.com" target="_blank">peter.czanik@balabit.com</a>><br>
Balabit / syslog-ng upstream<br>
<a href="https://www.balabit.com/blog/author/peterczanik/" target="_blank">https://www.balabit.com/blog/author/peterczanik/</a><br>
<a href="https://twitter.com/PCzanik" target="_blank">https://twitter.com/PCzanik</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<td><font style="font-family:Calibri;font-size:10pt;color:#595959;font-weight:bold;">Damian</font> <font style="font-family:Calibri;font-size:10pt;color:#595959;font-weight:bold;">Bell</font><br>
<font style="font-family:Calibri;font-size:10pt;color:#595959;">Infrastructure Engineer</font><font style="font-family:Calibri;font-size:10pt;color:#595959;"> |
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<font style="font-family:Calibri;font-size:10pt;color:#404040;">Email: </font><span style="font-family:Calibri;font-size:10pt;color:#0070C0;"><a href="mailto:Damian.Bell@clarksons.com" title="Click to send email to Damian Bell" target="" style="font-family:Calibri;font-size:10pt;color:#0070C0;"><span style="font-family:Calibri; font-size:10pt; color:#0070C0;">Damian.Bell@clarksons.com</span></a></span></td>
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<p class="MsoNormal">On Fri, Jun 23, 2017 at 2:18 PM, Sandor Geller <<a href="mailto:sandor.geller@ericsson.com" target="_blank">sandor.geller@ericsson.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi,<br>
<br>
Are you using recent kernels? The enhanced stack protection fixing CVE-2017-1000364 causes interoperability issues for certain Java apps...<br>
<br>
Regards,<br>
<br>
Sandor<o:p></o:p></p>
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<br>
On 06/23/2017 02:12 PM, Czanik, Péter wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi,<o:p></o:p></p>
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<p class="MsoNormal">I wanted to send some logs to Elasticsearch, but I did not succeed. Syslog-ng crashed. Actually it seems to be something JVM related. A bit too many things changed recently in my test environment:<o:p></o:p></p>
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<p class="MsoNormal">- a new laptop<o:p></o:p></p>
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<p class="MsoNormal">- a new version of vmware workstation<o:p></o:p></p>
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<p class="MsoNormal">- a new version of glibc and openjdk inside the vm-s (I always start with a security update...)<o:p></o:p></p>
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<p class="MsoNormal"><br>
The problem appeared both with syslog-ng 3.9 and 3.10 on both openSUSE Leap and CentOS 7.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Have you ever seen anything similar?<o:p></o:p></p>
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<p class="MsoNormal">Bye,<o:p></o:p></p>
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<p class="MsoNormal">CzP<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This one is from CentOS7 where I already tried rolling back glibc and openjdk:<o:p></o:p></p>
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[2017-06-23T13:25:22.816610] Compiling d_elastic reference [destination] at [/etc/syslog-ng/conf.d/es2.conf:27:3]<br>
[2017-06-23T13:25:22.816968] Seeking the journal to the start position;<br>
[2017-06-23T13:25:22.817808] Processing the time zone file (32bit part); filename='/usr/share/zoneinfo/UTC'<br>
#<br>
# A fatal error has been detected by the Java Runtime Environment:<br>
#<br>
# SIGBUS (0x7) at pc=0x00007f5ecc511c18, pid=1651, tid=0x00007f5ee3949b40<br>
#<br>
# JRE version: (8.0_121-b13) (build )<br>
# Java VM: OpenJDK 64-Bit Server VM (25.121-b13 mixed mode linux-amd64 compressed oops)<br>
# Problematic frame:<br>
# j java.lang.Object.<clinit>()V+0<br>
#<br>
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again<br>
#<br>
# An error report file with more information is saved as:<br>
# /tmp/hs_err_pid1651.log<br>
#<br>
# If you would like to submit a bug report, please visit:<br>
# <a href="http://bugreport.java.com/bugreport/crash.jsp" target="_blank">http://bugreport.java.com/bugreport/crash.jsp</a><br>
#<br>
Aborted (core dumped)<br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal">This one is from openSUSE, where I had gdb installed...<o:p></o:p></p>
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linux-pzl9:/var/lib/systemd/coredump # gdb -c core.syslog-ng.0.46a0d0e824ce4fa29a644ef713064044.2015.1498211596000000 /usr/sbin/syslog-ng<br>
GNU gdb (GDB; openSUSE Leap 42.2) 7.11.1<br>
Copyright (C) 2016 Free Software Foundation, Inc.<br>
License GPLv3+: GNU GPL version 3 or later <<a href="http://gnu.org/licenses/gpl.html" target="_blank">http://gnu.org/licenses/gpl.html</a>><br>
This is free software: you are free to change and redistribute it.<br>
There is NO WARRANTY, to the extent permitted by law. Type "show copying"<br>
and "show warranty" for details.<br>
This GDB was configured as "x86_64-suse-linux".<br>
Type "show configuration" for configuration details.<br>
For bug reporting instructions, please see:<br>
<<a href="http://bugs.opensuse.org/" target="_blank">http://bugs.opensuse.org/</a>>.<br>
Find the GDB manual and other documentation resources online at:<br>
<<a href="http://www.gnu.org/software/gdb/documentation/" target="_blank">http://www.gnu.org/software/gdb/documentation/</a>>.<br>
For help, type "help".<br>
Type "apropos word" to search for commands related to "word"...<br>
Reading symbols from /usr/sbin/syslog-ng...(no debugging symbols found)...done.<br>
[New LWP 2015]<br>
[New LWP 2016]<br>
[New LWP 2017]<br>
[New LWP 2018]<br>
[Thread debugging using libthread_db enabled]<br>
Using host libthread_db library "/lib64/libthread_db.so.1".<br>
Core was generated by `syslog-ng -Fvde'.<br>
Program terminated with signal SIGSEGV, Segmentation fault.<br>
#0 _expand_stack_to (bottom=0x7ffe43f70fff "", bottom@entry=0x7ffe43f70990 "") at /usr/src/debug/icedtea-3.4.0/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:673<br>
673 /usr/src/debug/icedtea-3.4.0/openjdk/hotspot/src/os/linux/vm/os_linux.cpp: No such file or directory.<br>
[Current thread is 1 (Thread 0x7ff2ab992b40 (LWP 2015))]<br>
Missing separate debuginfos, use: zypper install syslog-ng-debuginfo-3.10.1-2.3.x86_64<br>
(gdb) bt full<br>
#0 _expand_stack_to (bottom=0x7ffe43f70fff "", bottom@entry=0x7ffe43f70990 "") at /usr/src/debug/icedtea-3.4.0/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:673<br>
sp = 0x7ffe43f7a120 ""<br>
size = 37153<br>
p = 0x7ffe43f70ff0 ""<br>
#1 0x00007ff2a5f6f184 in os::Linux::manually_expand_stack (t=t@entry=0x19e9000, addr=0x7ffe43f70990 "") at /usr/src/debug/icedtea-3.4.0/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:686<br>
mask_all = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}<br>
old_sigset = {__val = {18446744067266838271, 140680142549761, 140730038723104, 140680138113208, 1140303776, 210453397503, 140730038723232, 140730038724512, 1, 27171840, 18446744073709551615, 4,
<br>
140730038723200, 140680140758410, 140730038723208, 18446744069414584320}}<br>
#2 0x00007ff2a5f77f7d in JVM_handle_linux_signal (sig=11, info=0x7ffe43f7a530, ucVoid=0x7ffe43f7a400, abort_if_unrecognized=1)<br>
at /usr/src/debug/icedtea-3.4.0/openjdk/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp:330<br>
addr = <optimized out><br>
uc = 0x7ffe43f7a400<br>
thread = 0x19e9000<br>
stub = 0x0<br>
newset = {__val = {0, 0, 18446744073709551615, 2, 27670976, 140679847562464, 3, 27171760, 27171728, 140679847562559, 140679847562515, 0, 140730038723488, 140680143714222, 3, 140730038724512}}<br>
err = {<StackObj> = {<No data fields>}, _id = 1, _message = 0x19e9c00 "", _detail_msg = 0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, _thread = 0x4,
<br>
_pc = 0x7ffe43f7a740 "\320\v\177\212\362\177", _siginfo = 0x7ff2a60051f8<br>
<SharedRuntime::generate_i2c2i_adapters(MacroAssembler*, int, int, BasicType const*, VMRegPair const*, AdapterFingerPrint*)+3464>, _context = 0x3,
<br>
_filename = 0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, _lineno = -1, _current_step = 48,
<br>
_current_step_info = 0x7ff2a65619f0 <vtable for Relocation+16> "\240<span style="font-family:"Microsoft JhengHei",sans-serif">栥</span>\362\177", _verbose = 0, static first_error = 0x0, static first_error_tid = -1, static coredump_status = false,
<br>
static coredump_message = '\000' <repeats 1999 times>, _size = 140680227341344, static out = {<outputStream> = {<ResourceObj> = {<No data fields>},
<br>
_vptr.outputStream = 0x7ff2a655fc50 <vtable for fdStream+16>, _indentation = 0, _width = 80, _position = 0, _newlines = 0, _precount = 0, _stamp = {_counter = 0}}, _fd = 1, _need_close = false},
<br>
static log = {<outputStream> = {<ResourceObj> = {<No data fields>}, _vptr.outputStream = 0x7ff2a655fc50 <vtable for fdStream+16>, _indentation = 0, _width = 80, _position = 0, _newlines = 0,
<br>
_precount = 0, _stamp = {_counter = 0}}, _fd = -1, _need_close = false}}<br>
t = 0x19e9000<br>
shm = {<StackObj> = {<No data fields>}, _thread = 0x19e9000}<br>
vmthread = 0x0<br>
pc = <optimized out><br>
#3 0x00007ff2a5f6e3d8 in signalHandler (sig=11, info=0x7ffe43f7a530, uc=0x7ffe43f7a400) at /usr/src/debug/icedtea-3.4.0/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:4354<br>
orig_errno = 2<br>
#4 <signal handler called><br>
No symbol table info available.<br>
#5 0x00007ff29453dc26 in ?? ()<br>
No symbol table info available.<br>
#6 0x00007ffe43f7a990 in ?? ()<br>
No symbol table info available.<br>
#7 0x00007ff28a7d0d50 in ?? ()<br>
No symbol table info available.<br>
#8 0x00007ffe43f7a9d8 in ?? ()<br>
No symbol table info available.<br>
#9 0x00007ff28a892ff8 in ?? ()<br>
No symbol table info available.<br>
#10 0x0000000000000000 in ?? ()<br>
No symbol table info available.<br>
(gdb) <o:p></o:p></p>
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<p class="MsoNormal">Peter Czanik (CzP) <<a href="mailto:peter.czanik@balabit.com" target="_blank">peter.czanik@balabit.com</a>><br>
Balabit / syslog-ng upstream<br>
<a href="https://www.balabit.com/blog/author/peterczanik/" target="_blank">https://www.balabit.com/blog/author/peterczanik/</a><br>
<a href="https://twitter.com/PCzanik" target="_blank">https://twitter.com/PCzanik</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<pre>______________________________________________________________________________<o:p></o:p></pre>
<pre>Member info: <a href="https://lists.balabit.hu/mailman/listinfo/syslog-ng" target="_blank">https://lists.balabit.hu/mailman/listinfo/syslog-ng</a><o:p></o:p></pre>
<pre>Documentation: <a href="http://www.balabit.com/support/documentation/?product=syslog-ng" target="_blank">http://www.balabit.com/support/documentation/?product=syslog-ng</a><o:p></o:p></pre>
<pre>FAQ: <a href="http://www.balabit.com/wiki/syslog-ng-faq" target="_blank">http://www.balabit.com/wiki/syslog-ng-faq</a><o:p></o:p></pre>
<pre><o:p> </o:p></pre>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
______________________________________________________________________________<br>
Member info: <a href="https://lists.balabit.hu/mailman/listinfo/syslog-ng" target="_blank">
https://lists.balabit.hu/mailman/listinfo/syslog-ng</a><br>
Documentation: <a href="http://www.balabit.com/support/documentation/?product=syslog-ng" target="_blank">
http://www.balabit.com/support/documentation/?product=syslog-ng</a><br>
FAQ: <a href="http://www.balabit.com/wiki/syslog-ng-faq" target="_blank">http://www.balabit.com/wiki/syslog-ng-faq</a><br>
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<o:p></o:p></p>
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