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1.15.3 nginx core dumps -- with proxy_pass http://127.0.0.1:8080

September 23, 2018 02:37PM
Any help much appreciated. This is my last closure step to move from apache to nginx (using tomcat with proxy_pass.) Thanks in advance!

curl -v http://localhost:8080 or curl -v http://127.0.0.1:8080 work. If I remove proxy_pass statement, it works but goes to normal index.html

/usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.15.3
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-28) (GCC)
built with OpenSSL 1.1.0i 14 Aug 2018
TLS SNI support enabled
configure arguments: --add-module=../modsecurity-2.9.2/nginx/modsecurity --with-cc-opt=-fno-optimize-sibling-calls


Here is the core dump

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `nginx: worker process '.
Program terminated with signal 11, Segmentation fault.
#0 ngx_http_upstream_copy_allow_ranges (r=0xad66d0, h=0x7ffc3003a970, offset=<optimized out>) at src/http/ngx_http_upstream.c:5176
5176 if (r->upstream->conf->force_ranges) {
Missing separate debuginfos, use: debuginfo-install GeoIP-1.5.0-11.el7.x86_64 apr-1.4.8-3.el7_4.1.x86_64 apr-util-1.5.2-6.el7.x86_64 expat-2.1.0-10.el7_3.x86_64 glibc-2.17-222.el7.x86_64 libdb-5.3.21-24.el7.x86_64 libuuid-2.23.2-52.el7_5.1.x86_64 libxml2-2.9.1-6.el7_2.3.x86_64 nss-softokn-freebl-3.36.0-5.el7_5.x86_64 pcre-8.32-17.el7.x86_64 xz-libs-5.2.2-1.el7.x86_64 zlib-1.2.7-17.el7.x86_64
(gdb) backtrace
#0 ngx_http_upstream_copy_allow_ranges (r=0xad66d0, h=0x7ffc3003a970, offset=<optimized out>) at src/http/ngx_http_upstream.c:5176
#1 0x00000000004c5f66 in ngx_http_modsecurity_save_headers_out_visitor (data=0xad66d0, key=<optimized out>, value=<optimized out>)
at ../modsecurity-2.9.2/nginx/modsecurity/ngx_http_modsecurity.c:795
#2 0x00007fd2b216c1ad in apr_table_vdo () from /lib64/libapr-1.so.0
#3 0x00007fd2b216c26f in apr_table_do () from /lib64/libapr-1.so.0
#4 0x00000000004c7898 in ngx_http_modsecurity_save_headers_out (r=0xad66d0)
at ../modsecurity-2.9.2/nginx/modsecurity/ngx_http_modsecurity.c:737
#5 ngx_http_modsecurity_body_filter (r=<optimized out>, in=<optimized out>)
at ../modsecurity-2.9.2/nginx/modsecurity/ngx_http_modsecurity.c:1220
#6 0x000000000045843a in ngx_output_chain (ctx=ctx@entry=0xad8520, in=in@entry=0x7ffc3003ad00) at src/core/ngx_output_chain.c:74
#7 0x00000000004b15ad in ngx_http_copy_filter (r=0xad66d0, in=0x7ffc3003ad00) at src/http/ngx_http_copy_filter_module.c:152
#8 0x00000000004a8863 in ngx_http_range_body_filter (r=0xad66d0, in=<optimized out>)
at src/http/modules/ngx_http_range_filter_module.c:635
#9 0x0000000000489360 in ngx_http_output_filter (r=r@entry=0xad66d0, in=in@entry=0x7ffc3003ad00)
at src/http/ngx_http_core_module.c:1770
#10 0x000000000048ca94 in ngx_http_send_special (r=r@entry=0xad66d0, flags=flags@entry=1) at src/http/ngx_http_request.c:3386
#11 0x000000000049bf13 in ngx_http_upstream_finalize_request (r=r@entry=0xad66d0, u=u@entry=0xad7a70, rc=<optimized out>, rc@entry=0)
at src/http/ngx_http_upstream.c:4436
#12 0x000000000049cc0d in ngx_http_upstream_process_request (r=r@entry=0xad66d0, u=u@entry=0xad7a70)
at src/http/ngx_http_upstream.c:4007
#13 0x000000000049cdd1 in ngx_http_upstream_process_upstream (r=r@entry=0xad66d0, u=u@entry=0xad7a70)
at src/http/ngx_http_upstream.c:3919
#14 0x000000000049e8cd in ngx_http_upstream_send_response (u=0xad7a70, r=0xad66d0) at src/http/ngx_http_upstream.c:3232
#15 ngx_http_upstream_process_header (r=0xad66d0, u=0xad7a70) at src/http/ngx_http_upstream.c:2429
#16 0x000000000049bf92 in ngx_http_upstream_handler (ev=<optimized out>) at src/http/ngx_http_upstream.c:1281
#17 0x000000000047a914 in ngx_epoll_process_events (cycle=<optimized out>, timer=<optimized out>, flags=<optimized out>)
at src/event/modules/ngx_epoll_module.c:902
#18 0x0000000000471e39 in ngx_process_events_and_timers (cycle=cycle@entry=0xad26c0) at src/event/ngx_event.c:242
#19 0x0000000000478cf4 in ngx_worker_process_cycle (cycle=0xad26c0, data=<optimized out>) at src/os/unix/ngx_process_cycle.c:750
#20 0x0000000000477432 in ngx_spawn_process (cycle=cycle@entry=0xad26c0, proc=proc@entry=0x478c83 <ngx_worker_process_cycle>,
data=data@entry=0x0, name=name@entry=0x6a9fe5 "worker process", respawn=respawn@entry=-3) at src/os/unix/ngx_process.c:199
#21 0x0000000000477fbb in ngx_start_worker_processes (cycle=cycle@entry=0xad26c0, n=1, type=type@entry=-3)
at src/os/unix/ngx_process_cycle.c:359
#22 0x00000000004793f1 in ngx_master_process_cycle (cycle=cycle@entry=0xad26c0) at src/os/unix/ngx_process_cycle.c:131
#23 0x00000000004548e5 in main (argc=<optimized out>, argv=<optimized out>) at src/core/nginx.c:382
(gdb)
Subject Author Posted

1.15.3 nginx core dumps -- with proxy_pass http://127.0.0.1:8080

ec2geek007 September 23, 2018 02:37PM

Re: 1.15.3 nginx core dumps -- with proxy_pass http://127.0.0.1:8080

Maxim Konovalov September 24, 2018 04:50AM

Re: 1.15.3 nginx core dumps -- with proxy_pass http://127.0.0.1:8080

ec2geek007 September 24, 2018 05:32AM

Re: 1.15.3 nginx core dumps -- with proxy_pass http://127.0.0.1:8080

Maxim Konovalov September 24, 2018 05:42AM



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