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From bugzi...@apache.org
Subject [Bug 58529] Segmentation fault after modifying a proxy BalancerMember
Date Fri, 23 Oct 2015 16:31:13 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=58529

--- Comment #2 from Antoine Prevosto <antoine.prevosto@gmail.com> ---
Here is the main information from rhe core file :

Core was generated by `/tech/apache/runtime/httpd-2.4.16/bin/httpd -D
inst-antoine-back-tomcat7_a -d /'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007fcd5221e954 in ap_proxy_acquire_connection
(proxy_function=0x7fcd5200e1fe "HTTP", conn=0x7fcd47ffeac8, worker=0x2269438,
s=0x227c258) at proxy_util.c:2124
2124        if (worker->s->hmax && worker->cp->res) {
Missing separate debuginfos, use: debuginfo-install
AF-httpd-2.4.16-0-el6.4.x86_64
(gdb) bt
#0  0x00007fcd5221e954 in ap_proxy_acquire_connection
(proxy_function=0x7fcd5200e1fe "HTTP", conn=0x7fcd47ffeac8, worker=0x2269438,
s=0x227c258) at proxy_util.c:2124
#1  0x00007fcd5200b879 in proxy_http_handler (r=0x7fcd1c004980,
worker=0x2269438, conf=0x229a638, url=0x7fcd1c006e20
"http://http1qvit-15.xxxx/", proxyname=0x0, proxyport=0) at
mod_proxy_http.c:1957
#2  0x00007fcd52214f12 in proxy_run_scheme_handler (r=0x7fcd1c004980,
worker=0x2269438, conf=0x229a638, url=0x7fcd1c006e20
"http://http1qvit-15.xxxx/", proxyhost=0x0, proxyport=0) at mod_proxy.c:2789
#3  0x00007fcd52219fa3 in proxy_handler (r=0x7fcd1c004980) at mod_proxy.c:1161
#4  0x000000000044b210 in ap_run_handler ()
#5  0x000000000044f38e in ap_invoke_handler ()
#6  0x000000000046201a in ap_process_async_request ()
#7  0x000000000046217f in ap_process_request ()
#8  0x000000000045e4ce in ap_process_http_connection ()
#9  0x0000000000456020 in ap_run_process_connection ()
#10 0x00007fcd54e8bf2a in process_socket (thd=0x224bb90, dummy=<value optimized
out>) at worker.c:619
#11 worker_thread (thd=0x224bb90, dummy=<value optimized out>) at worker.c:978
#12 0x00007fcd55a379d1 in start_thread () from /lib64/libpthread.so.0
#13 0x00007fcd557848fd in clone () from /lib64/libc.so.6
(gdb) info threads
  27 Thread 0x7fcd4cd6c700 (LWP 22023)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  26 Thread 0x7fcd4d76d700 (LWP 22022)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  25 Thread 0x7fcd4e16e700 (LWP 22021)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  24 Thread 0x7fcd3a3e9700 (LWP 22046)  0x00007fcd55784ef3 in epoll_wait ()
from /lib64/libc.so.6
  23 Thread 0x7fcd3adea700 (LWP 22045)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  22 Thread 0x7fcd3b7eb700 (LWP 22044)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  21 Thread 0x7fcd3c1ec700 (LWP 22043)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  20 Thread 0x7fcd3cbed700 (LWP 22042)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  19 Thread 0x7fcd3d5ee700 (LWP 22041)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  18 Thread 0x7fcd3dfef700 (LWP 22040)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  17 Thread 0x7fcd3e9f0700 (LWP 22039)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  16 Thread 0x7fcd3f3f1700 (LWP 22038)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  15 Thread 0x7fcd3fdf2700 (LWP 22037)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  14 Thread 0x7fcd407f3700 (LWP 22036)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  13 Thread 0x7fcd411f4700 (LWP 22035)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  12 Thread 0x7fcd41bf5700 (LWP 22034)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  11 Thread 0x7fcd425f6700 (LWP 22033)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  10 Thread 0x7fcd42ff7700 (LWP 22032)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  9 Thread 0x7fcd439f8700 (LWP 22031)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  8 Thread 0x7fcd443f9700 (LWP 22030)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  7 Thread 0x7fcd44dfa700 (LWP 22029)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  6 Thread 0x7fcd457fb700 (LWP 22028)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  5 Thread 0x7fcd461fc700 (LWP 22027)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  4 Thread 0x7fcd46bfd700 (LWP 22026)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  3 Thread 0x7fcd475fe700 (LWP 22025)  0x00007fcd55a3b5bc in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  2 Thread 0x7fcd56d47740 (LWP 22019)  0x00007fcd55a3e75d in read () from
/lib64/libpthread.so.0
* 1 Thread 0x7fcd47fff700 (LWP 22024)  0x00007fcd5221e954 in
ap_proxy_acquire_connection (proxy_function=0x7fcd5200e1fe "HTTP",
conn=0x7fcd47ffeac8, worker=0x2269438, s=0x227c258) at proxy_util.c:2124

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