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Reading symbols from /tmp/nginx/nginx-1.11.6/objs/nginx...done.
[New LWP 28022]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `nginx: worker process                                               '.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000056187309f647 in ngx_http_script_flush_complex_value (val=<optimized out>, r=0x561874a05480) at src/http/ngx_http_script.c:46
46	            if (r->variables[*index].no_cacheable) {
#0  0x000056187309f647 in ngx_http_script_flush_complex_value (val=<optimized out>, r=0x561874a05480) at src/http/ngx_http_script.c:46
        index = 0x1
#1  ngx_http_complex_value (r=r@entry=0x561874a05480, val=val@entry=0x561874a13a68, value=0x5618749f8718) at src/http/ngx_http_script.c:71
        len = <optimized out>
        code = <optimized out>
        lcode = <optimized out>
        e = {ip = 0x5618749f8060 "(\207\237t\030V", pos = 0x561874a20f90 "\360\361\027\035)\177", sp = 0x5618732bb4c8, buf = {len = 94663009055001, 
            data = 0x10 <error: Cannot access memory at address 0x10>}, line = {len = 94663009054881, data = 0x5618749f8060 "(\207\237t\030V"}, 
          args = 0x561874a05480 "HTTP", flushed = 0, skip = 0, quote = 0, is_args = 0, log = 1, status = 94663035927144, request = 0x561874a0dfc0}
#2  0x0000561873116ded in ngx_http_cache_purge_init (r=r@entry=0x561874a05480, cache=0x561874a0dfc0, cache_key=cache_key@entry=0x561874a13a68)
    at ngx_cache_purge/ngx_cache_purge_module.c:1534
        c = 0x5618749f84a8
        key = <optimized out>
        rc = 0
#3  0x0000561873117445 in ngx_http_proxy_cache_purge_handler (r=0x561874a05480) at ngx_cache_purge/ngx_cache_purge_module.c:711
        pmcf = <optimized out>
        cache = 0x561874a0dfc0
        plcf = 0x561874a137b0
        cplcf = <optimized out>
        rc = <optimized out>
        r = 0x561874a05480
#4  0x000056187308ce32 in ngx_http_core_content_phase (r=0x561874a05480, ph=<optimized out>) at src/http/ngx_http_core_module.c:1368
        root = 94663035981712
        rc = <optimized out>
        path = {len = 94663035868208, data = 0x561874a20f90 "\360\361\027\035)\177"}
#5  0x0000561873087275 in ngx_http_core_run_phases (r=r@entry=0x561874a05480) at src/http/ngx_http_core_module.c:845
        rc = <optimized out>
        ph = 0x561874a1c858
        cmcf = <optimized out>
#6  0x000056187308735f in ngx_http_handler (r=r@entry=0x561874a05480) at src/http/ngx_http_core_module.c:828
        cmcf = <optimized out>
#7  0x00005618730936b5 in ngx_http_process_request (r=0x561874a05480) at src/http/ngx_http_request.c:1914
        c = 0x7f291d17f1f0
#8  0x0000561873093cba in ngx_http_process_request_headers (rev=rev@entry=0x561874a20f90) at src/http/ngx_http_request.c:1346
        p = <optimized out>
        len = <optimized out>
        n = <optimized out>
        rc = <optimized out>
        rv = <optimized out>
        h = <optimized out>
        c = <optimized out>
        hh = <optimized out>
        r = <optimized out>
        cscf = <optimized out>
        cmcf = <optimized out>
#9  0x00005618730940ac in ngx_http_process_request_line (rev=0x561874a20f90) at src/http/ngx_http_request.c:1026
        n = <optimized out>
        rc = <optimized out>
        rv = <optimized out>
        host = {len = 94663035953872, 
          data = 0x561873094215 <ngx_http_wait_request_handler+277> "H\205\300H\211\003\017\204\024\377\377\377H\215\005\330\372\377\377H\211\357H\211E\020H\203\304\030[]A\\A]\351\302\372\377\377f\220H\215\rݦ\""}
        c = 0x7f291d17f1f0
        r = 0x561874a05480
#10 0x0000561873079fb1 in ngx_epoll_process_events (cycle=0x5618749f40a0, timer=<optimized out>, flags=<optimized out>) at src/event/modules/ngx_epoll_module.c:907
        events = <optimized out>
        revents = 1
        instance = <optimized out>
        i = 0
        level = <optimized out>
        err = <optimized out>
        rev = 0x561874a20f90
        wev = <optimized out>
        queue = <optimized out>
        c = 0x7f291d17f1f0
#11 0x000056187306f0d7 in ngx_process_events_and_timers (cycle=cycle@entry=0x5618749f40a0) at src/event/ngx_event.c:242
        flags = <optimized out>
        timer = <optimized out>
        delta = 1487700946512
#12 0x00005618730776cd in ngx_worker_process_cycle (cycle=cycle@entry=0x5618749f40a0, data=data@entry=0x0) at src/os/unix/ngx_process_cycle.c:753
        worker = 0
#13 0x000056187307604f in ngx_spawn_process (cycle=cycle@entry=0x5618749f40a0, proc=0x561873077680 <ngx_worker_process_cycle>, data=0x0, 
    name=0x5618732bb0b2 "worker process", respawn=respawn@entry=0) at src/os/unix/ngx_process.c:198
        on = 1
        pid = 0
        s = 0
#14 0x0000561873078e0d in ngx_reap_children (cycle=0x5618749f40a0) at src/os/unix/ngx_process_cycle.c:621
        i = <optimized out>
        live = 0
        n = <optimized out>
        ch = {command = 2, pid = 27979, slot = 0, fd = -1}
        ccf = <optimized out>
#15 ngx_master_process_cycle (cycle=0x5618749f40a0) at src/os/unix/ngx_process_cycle.c:174
        title = <optimized out>
        p = <optimized out>
        size = <optimized out>
        i = <optimized out>
        n = <optimized out>
        sigio = 0
        set = {__val = {0 <repeats 16 times>}}
        itv = {it_interval = {tv_sec = 0, tv_usec = 0}, it_value = {tv_sec = 0, tv_usec = 0}}
        live = <optimized out>
        delay = 0
        ls = <optimized out>
        ccf = 0x5618749f5e70
#16 0x000056187304d970 in main (argc=<optimized out>, argv=<optimized out>) at src/core/nginx.c:367
        b = <optimized out>
        log = <optimized out>
        i = <optimized out>
        cycle = 0x5618749f40a0
        init_cycle = {conf_ctx = 0x0, pool = 0x5618749f3280, log = 0x5618735cea80 <ngx_log>, new_log = {log_level = 0, file = 0x0, connection = 0, disk_full_time = 0, 
            handler = 0x0, data = 0x0, writer = 0x0, wdata = 0x0, action = 0x0, next = 0x0}, log_use_stderr = 0, files = 0x0, free_connections = 0x0, free_connection_n = 0, 
          modules = 0x0, modules_n = 0, modules_used = 0, reusable_connections_queue = {prev = 0x0, next = 0x0}, listening = {elts = 0x0, nelts = 0, size = 0, nalloc = 0, 
            pool = 0x0}, paths = {elts = 0x0, nelts = 0, size = 0, nalloc = 0, pool = 0x0}, config_dump = {elts = 0x0, nelts = 0, size = 0, nalloc = 0, pool = 0x0}, 
          config_dump_rbtree = {root = 0x0, sentinel = 0x0, insert = 0x0}, config_dump_sentinel = {key = 0, left = 0x0, right = 0x0, parent = 0x0, color = 0 '\000', 
            data = 0 '\000'}, open_files = {last = 0x0, part = {elts = 0x0, nelts = 0, next = 0x0}, size = 0, nalloc = 0, pool = 0x0}, shared_memory = {last = 0x0, part = {
              elts = 0x0, nelts = 0, next = 0x0}, size = 0, nalloc = 0, pool = 0x0}, connection_n = 0, files_n = 0, connections = 0x0, read_events = 0x0, 
          write_events = 0x0, old_cycle = 0x0, conf_file = {len = 39, data = 0x5618749f32ed "/tmp/nginx/nginx-1.11.6/objs/nginx.conf"}, conf_param = {len = 11, 
            data = 0x7fff36ac17fe ""}, conf_prefix = {len = 29, data = 0x5618749f32ed "/tmp/nginx/nginx-1.11.6/objs/nginx.conf"}, prefix = {len = 29, 
            data = 0x5618749f32d0 "/tmp/nginx/nginx-1.11.6/objs//tmp/nginx/nginx-1.11.6/objs/nginx.conf"}, lock_file = {len = 0, data = 0x0}, hostname = {len = 0, 
            data = 0x0}}
        cd = <optimized out>
        ccf = 0x5618749f5e70