Re: nginx 0.7.62/0.8.20 ssl and "worker process ... exited on signal 11"

["Andrey Y. Ostanovsky" <andrey@xxxxxxxxxxxxxxxxx>]

Maxim Dounin пишет:
> Пересобрать с дебагом, получить корку и debug log.  Дальше будем 
> смотреть.
>
> Хотя я бы для начала проверил проявляется ли проблема в 0.8.*, 
> очень может быть что это уже что-то исправленное но ещё не 
> попавшее в stable.  Если проблема ssl-specific, то возможно это 
> вот это (0.8.7):
>
>     *) Bugfix: the $ssl_client_cert variable usage corrupted memory; the 
>        bug had appeared in 0.7.7.
>        Thanks to Sergey Zhuravlev.
>
> Если верить CHANGES - в stable этого исправления пока нет.
>   
И десяти минут не проработало. :(

Oct 23 10:27:15 noc kernel: pid 74051 (nginx-0.8.20), uid 80: exited on
signal 11 (core dumped)

# gdb /usr/local/sbin/nginx /var/tmp/80.nginx.core
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
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conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd"...
Core was generated by `nginx'.
Program terminated with signal 11, Segmentation fault.
#0  0x283de8a3 in ?? ()
(gdb) bt
#0  0x283de8a3 in ?? ()
#1  0x00000000 in ?? ()
#2  0x000007dc in ?? ()
#3  0x08076de1 in ngx_ssl_handshake (c=0x28597180) at
src/event/ngx_event_openssl.c:585
#4  0x0808e674 in ngx_http_header_filter (r=0x2851e400)
    at src/http/ngx_http_header_filter_module.c:432
#5  0x080a4156 in ngx_http_parse_time (value=0x2851e400 "\220╧-(ю&Q(К",
len=0)
    at src/http/ngx_http_parse_time.c:195
#6  0x080ab645 in ngx_http_file_cache_expire (cache=0x2851e400)
    at src/http/ngx_http_file_cache.c:1043
#7  0x080ad06b in ngx_http_gzip_header_filter (r=0x2851e400)
    at src/http/modules/ngx_http_gzip_filter_module.c:288
#8  0x080adbf3 in ngx_http_gzip_filter_get_buf (r=0x2851e400, ctx=0x0)
    at src/http/modules/ngx_http_gzip_filter_module.c:718
#9  0x080b00b5 in ngx_http_charset_recode_from_utf8 (pool=0x2851e400,
buf=0x0, ctx=0x285973c0)
    at src/http/modules/ngx_http_charset_filter_module.c:858
#10 0x08050c0e in ngx_chain_update_chains (free=0x28679238, busy=0x0,
out=0xbfbfeb38,
    tag=0x80593b7) at src/core/ngx_buf.c:205
#11 0x0808ec95 in ngx_http_header_filter (r=0x2851e400)
    at src/http/ngx_http_header_filter_module.c:557
#12 0x080a5401 in ngx_http_index_test_dir (r=0x2851e400, clcf=0x0,
    path=0x7d9 <Address 0x7d9 out of bounds>, last=0x5 <Address 0x5 out
of bounds>)
    at src/http/modules/ngx_http_index_module.c:313
#13 0x0807e775 in ngx_http_core_try_files_phase (r=0x2851e400, ph=0x0)
    at src/http/ngx_http_core_module.c:1264
#14 0x08088ff1 in ngx_http_process_request (r=0x2851e400) at
src/http/ngx_http_request.c:1569
#15 0x08088488 in ngx_http_alloc_large_header_buffer (r=0x2863d0f0,
request_line=677630220)
    at src/http/ngx_http_request.c:1247
#16 0x08068443 in ngx_events_block (cf=0x2855a028, cmd=0x6, conf=0x1) at
src/event/ngx_event.c:899
#17 0x08066766 in ngx_open_and_stat_file (name=0x2855a028 '╔' <repeats
200 times>..., of=0x1,
    log=0xbfbfec04) at src/core/ngx_open_file_cache.c:528
#18 0x08071894 in ngx_signal_worker_processes (cycle=0x2855a028, signo=0)
    at src/os/unix/ngx_process_cycle.c:477
#19 0x0806efda in ngx_write_channel (s=676700200, ch=0x8071730, size=0,
log=0x80d0c05)
    at src/os/unix/ngx_channel.c:74
#20 0x08071348 in ngx_single_process_cycle (cycle=0x2855a028)
    at src/os/unix/ngx_process_cycle.c:294
#21 0x080703eb in ngx_process_get_status () at src/os/unix/ngx_process.c:537
#22 0x0804bc49 in main (argc=5, argv=0xbfbfee98) at src/core/nginx.c:337
(gdb)


-- 
Best regards, Andrey Y. Ostanovsky
jabberID: aost@xxxxxxxxxxxxx
St. Petersburg, Russia