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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 50335] New: Cores dumped under high load (segmentation fault signal 11 SIGSEGV)
Date Thu, 25 Nov 2010 11:57:32 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=50335

           Summary: Cores dumped under high load (segmentation fault
                    signal 11 SIGSEGV)
           Product: Apache httpd-2
           Version: 2.2.17
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: mod_proxy
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: midenok@gmail.com


stack.1198:
(most frequent core)
Thread 122 (Thread 1280):
#0  0x00002b3b47a846f7 in kill () from /lib64/libc.so.6
#1  <signal handler called>
#2  0x00002b3b46d97acf in apr_brigade_cleanup (data=<value optimized out>) at
buckets/apr_brigade.c:44
#3  0x00002b3b4742088d in run_cleanups (cref=0x2aab280c3158) at
memory/unix/apr_pools.c:2314
#4  0x00002b3b4742130b in apr_pool_destroy (pool=0x2aab280c3138) at
memory/unix/apr_pools.c:782
#5  0x00002b3b474214c5 in apr_pool_clear (pool=0x2aab140834b8) at
memory/unix/apr_pools.c:736
#6  0x00002b3b4629ea94 in ?? ()
#7  0x00002b3b4763a73d in start_thread () from /lib64/libpthread.so.0
#8  0x00002b3b47b27d1d in clone () from /lib64/libc.so.6


stack.5566:
Thread 20 (Thread 5808):
#0  0x00002b3b47a846f7 in kill () from /lib64/libc.so.6
#1  <signal handler called>
#2  0x00002b3b4628b456 in ap_core_input_filter ()
#3  0x00002b3b492fe298 in ap_proxy_http_process_response (p=0x2aaaf01ed998,
r=0x2aaaf01eda18, backend=0x2b3b5c4022b8, origin=0x2b3b5c97a618,
conf=0x2b3b5c03e250, server_portstr=0x2aaaddefbd50 ":3128") at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:1767
#4  0x00002b3b492fffeb in proxy_http_handler (r=0x2aaaf01eda18, worker=<value
optimized out>, conf=0x2b3b5c03e250, url=0x2b3b5cdbae18
"/xml.aspx?AppID=8DCA1510B4F71546E54034F13C5F41A837522444&Version=2.2&Sources=web&adult=off&web.count=50&Query=\"Leave+a+Reply\"+\"Name+(required)\"+\"Mail+(will+not+be+published)\"+\"Website\"+-site:wordpress"...,
proxyname=0x0, proxyport=0) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:2033
#5  0x00002b3b490eb111 in proxy_run_scheme_handler (r=0x2aaaf01eda18,
worker=0x2b3b5c000fb0, conf=0x2b3b5c03e250, url=0x2b3b5cdba9f6
"http://api.bing.net/xml.aspx?AppID=8DCA1510B4F71546E54034F13C5F41A837522444&Version=2.2&Sources=web&adult=off&web.count=50&Query=\"Leave+a+Reply\"+\"Name+(required)\"+\"Mail+(will+not+be+published)\"+\"Websi"...,
proxyhost=0x0, proxyport=<value optimized out>) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:2563
#6  0x00002b3b490ef1c0 in proxy_handler (r=0x2aaaf01eda18) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:1065
#7  0x00002b3b4628bc9a in ap_run_handler ()
#8  0x00002b3b4628f122 in ap_invoke_handler ()
#9  0x00002b3b46299da8 in ap_process_request ()
#10 0x00002b3b46296eb0 in ?? ()
#11 0x00002b3b462931b2 in ap_run_process_connection ()
#12 0x00002b3b4629ea65 in ?? ()
#13 0x00002b3b4763a73d in start_thread () from /lib64/libpthread.so.0
#14 0x00002b3b47b27d1d in clone () from /lib64/libc.so.6


stack.5580:
Thread 131 (Thread 7291):
#0  0x00002b3b47a846f7 in kill () from /lib64/libc.so.6
#1  <signal handler called>
#2  0x00002b3b46d99226 in apr_bucket_free (mem=0x2b3b5cd6f978) at
buckets/apr_buckets_alloc.c:191
#3  0x00002b3b46d97aea in apr_brigade_cleanup (data=<value optimized out>) at
buckets/apr_brigade.c:44
#4  0x00002b3b4742088d in run_cleanups (cref=0x2aaaec1cd768) at
memory/unix/apr_pools.c:2314
#5  0x00002b3b4742130b in apr_pool_destroy (pool=0x2aaaec1cd748) at
memory/unix/apr_pools.c:782
#6  0x00002b3b474214c5 in apr_pool_clear (pool=0x2b3b5c668378) at
memory/unix/apr_pools.c:736
#7  0x00002b3b4629ea94 in ?? ()
#8  0x00002b3b4763a73d in start_thread () from /lib64/libpthread.so.0
#9  0x00002b3b47b27d1d in clone () from /lib64/libc.so.6


stack.5987:
Thread 117 (Thread 11007):
#0  0x00002b3b47a846f7 in kill () from /lib64/libc.so.6
#1  <signal handler called>
#2  0x00002b3b490f1498 in ap_proxy_release_connection
(proxy_function=0x2b3b49301777 "HTTP", conn=0x2b3b5ca8f218, s=0x2b3b5bffd590)
at /usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/proxy_util.c:2041
#3  0x00002b3b492feed3 in ap_proxy_http_cleanup (scheme=0x2b3b49301777 "HTTP",
r=<value optimized out>, backend=0x63203b6c6d74682f) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:1906
#4  0x00002b3b492ff192 in proxy_http_handler (r=0x2b3b5cb5b878, worker=0x0,
conf=0x2b3b5c03e250, url=0x2b3b5cb5d558 "/squid-internal-dynamic/netdb",
proxyname=0x0, proxyport=0) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:2044
#5  0x00002b3b490eb111 in proxy_run_scheme_handler (r=0x2b3b5cb5b878,
worker=0x2b3b5c000fb0, conf=0x2b3b5c03e250, url=0x2b3b5cb5d426
"http://174.142.104.57:3128/squid-internal-dynamic/netdb", proxyhost=0x0,
proxyport=<value optimized out>) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:2563
#6  0x00002b3b490ef1c0 in proxy_handler (r=0x2b3b5cb5b878) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:1065
#7  0x00002b3b4628bc9a in ap_run_handler ()
#8  0x00002b3b4628f122 in ap_invoke_handler ()
#9  0x00002b3b46299da8 in ap_process_request ()
#10 0x00002b3b46296eb0 in ?? ()
#11 0x00002b3b462931b2 in ap_run_process_connection ()
#12 0x00002b3b4629ea65 in ?? ()
#13 0x00002b3b4763a73d in start_thread () from /lib64/libpthread.so.0
#14 0x00002b3b47b27d1d in clone () from /lib64/libc.so.6


stack.6427:
Thread 148 (Thread 6923):
#0  0x00002b3b47a846f7 in kill () from /lib64/libc.so.6
#1  <signal handler called>
#2  apr_brigade_split_line (bbOut=0x2aaaec2cc8b8, bbIn=0x2b3b5d0b18a0,
block=APR_BLOCK_READ, maxbytes=8192) at buckets/apr_brigade.c:319
#3  0x00002b3b4628b58a in ap_core_input_filter ()
#4  0x00002b3b4627fc3a in ap_rgetline_core ()
#5  0x00002b3b492fda8b in ap_proxygetline (bb=0x2aaaec2cc8b8, s=<value
optimized out>, n=8192, r=0x2b3b5d09ce18, fold=0, writen=0x64310b7c) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:1329
#6  0x00002b3b492fdc1f in ap_proxy_http_process_response (p=0x2aaaec5f39c8,
r=0x2aaaec5f3a48, backend=0x2b3b5c7f23a8, origin=0x2b3b5d0b1158,
conf=0x2b3b5c03e250, server_portstr=0x64314d50 ":3128") at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:1400
#7  0x00002b3b492fffeb in proxy_http_handler (r=0x2aaaec5f3a48, worker=<value
optimized out>, conf=0x2b3b5c03e250, url=0x2aaaec4973f0
"/login?u=951898728&p=08121B6D645B7277AFB3B87099F45C68&verifycode=&aid=15002005&u1=http%3A%2F%2Fqz.qq.com&h=1&ptredirect=1&ptlang=2052&from_ui=1&dumy=&fp=loginerroralert",
proxyname=0x0, proxyport=0) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:2033
#8  0x00002b3b490eb111 in proxy_run_scheme_handler (r=0x2aaaec5f3a48,
worker=0x2b3b5c000fb0, conf=0x2b3b5c03e250, url=0x2aaaec49712e
"http://ptlogin2.qq.com/login?u=951898728&p=08121B6D645B7277AFB3B87099F45C68&verifycode=&aid=15002005&u1=http%3A%2F%2Fqz.qq.com&h=1&ptredirect=1&ptlang=2052&from_ui=1&dumy=&fp=loginerroralert",
proxyhost=0x0, proxyport=<value optimized out>) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:2563
#9  0x00002b3b490ef1c0 in proxy_handler (r=0x2aaaec5f3a48) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:1065
#10 0x00002b3b4628bc9a in ap_run_handler ()
#11 0x00002b3b4628f122 in ap_invoke_handler ()
#12 0x00002b3b46299da8 in ap_process_request ()
#13 0x00002b3b46296eb0 in ?? ()
#14 0x00002b3b462931b2 in ap_run_process_connection ()
#15 0x00002b3b4629ea65 in ?? ()
#16 0x00002b3b4763a73d in start_thread () from /lib64/libpthread.so.0
#17 0x00002b3b47b27d1d in clone () from /lib64/libc.so.6


stack.8937:
Thread 8 (Thread 9841):
#0  0x00002b3b47a846f7 in kill () from /lib64/libc.so.6
#1  <signal handler called>
#2  allocator_free (allocator=0x2b3b5bf855a0, node=0xa0) at
memory/unix/apr_pools.c:358
#3  apr_allocator_free (allocator=0x2b3b5bf855a0, node=0xa0) at
memory/unix/apr_pools.c:416
#4  0x00002b3b46d98b8b in socket_bucket_read (a=0x2aaaf0068ea8,
str=0x2aaae61048e0, len=0x2aaae61048d8, block=<value optimized out>) at
buckets/apr_buckets_socket.c:43
#5  0x00002b3b46d9869b in apr_brigade_split_line (bbOut=0x2aab28028928,
bbIn=0x2aab1c077af0, block=APR_BLOCK_READ, maxbytes=8192) at
buckets/apr_brigade.c:319
#6  0x00002b3b4628b58a in ap_core_input_filter ()
#7  0x00002b3b4627fc3a in ap_rgetline_core ()
#8  0x00002b3b492fda8b in ap_proxygetline (bb=0x2aab28028928, s=<value
optimized out>, n=8192, r=0x0, fold=160, writen=0x2aaae6104b7c) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:1329
#9  0x00002b3b492fdc1f in ap_proxy_http_process_response (p=0x2aab2810f638,
r=0x2aab2810f6b8, backend=0x2aab1c0d3478, origin=0x2aab1c0773a8,
conf=0x2b3b5c03e250, server_portstr=0x2aaae6108d50 ":3128") at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:1400
#10 0x00002b3b492fffeb in proxy_http_handler (r=0x2aab2810f6b8, worker=<value
optimized out>, conf=0x2b3b5c03e250, url=0x2aab281113e0 "/", proxyname=0x0,
proxyport=0) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy_http.c:2033
#11 0x00002b3b490eb111 in proxy_run_scheme_handler (r=0x2aab2810f6b8,
worker=0x2b3b5c000fb0, conf=0x2b3b5c03e250, url=0x2aab281112f6
"http://174.142.104.57:3128/", proxyhost=0x0, proxyport=<value optimized out>)
at /usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:2563
#12 0x00002b3b490ef1c0 in proxy_handler (r=0x2aab2810f6b8) at
/usr/src/debug/httpd-2.2.17.1/phorm/modules/proxy/mod_proxy.c:1065
#13 0x00002b3b4628bc9a in ap_run_handler ()
#14 0x00002b3b4628f122 in ap_invoke_handler ()
#15 0x00002b3b46299da8 in ap_process_request ()
#16 0x00002b3b46296eb0 in ?? ()
#17 0x00002b3b462931b2 in ap_run_process_connection ()
#18 0x00002b3b4629ea65 in ?? ()
#19 0x00002b3b4763a73d in start_thread () from /lib64/libpthread.so.0
#20 0x00002b3b47b27d1d in clone () from /lib64/libc.so.6

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