Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Core was generated by `nginx: worker process '.
Program terminated with signal 11, Segmentation fault.
#0 0x0000000000001e36 in ?? ()
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.107.el6.x86_64
(gdb) bt
#0 0x0000000000001e36 in ?? ()
#1 0x00007f51bb3c0350 in ?? ()
#2 0x0000000000000001 in ?? ()
#3 0x00000000004b80f2 in ngx_http_set_misc_set_if_empty (r=0x1c25250, res=0x1bbda2c, v=<value optimized out>)
at src/ext/set-misc-nginx-module-0.22rc8/src/ngx_http_set_default_value.c:18
#4 0x000000000000000a in ?? ()
#5 0x0000000001c25250 in ?? ()
#6 0x0000000001c235e0 in ?? ()
#7 0x0000000001c25250 in ?? ()
#8 0x0000000001c2f300 in ?? ()
#9 0x000000000048b06e in ngx_http_lua_ngx_exec (L=0x1c25250) at src/ext/lua-nginx-module-0.8.2/src/ngx_http_lua_control.c:167
#10 0x0000000001c235f0 in ?? ()
#11 0x0000000000040201 in ?? ()
#12 0x0000000000000001 in ?? ()
#13 0x0000000001bbda28 in ?? ()
#14 0x00000000004c4669 in ?? ()
#15 0x185d453a9a8224a6 in ?? ()
#16 0x0000000001bf6430 in ?? ()
#17 0x000000000000000a in ?? ()
#18 0x00007f51c060eb37 in ?? ()
#19 0x0000000001c092f8 in ?? ()
#20 0x00000000c052a176 in ?? ()
#21 0x0000000001c2d0a0 in ?? ()
#22 0x0000000001aac880 in ?? ()
#23 0x0000000001c0bf90 in ?? ()
#24 0x0000000000000001 in ?? ()
#25 0x0000000001c0bf90 in ?? ()
#26 0x0000000000000000 in ?? ()