bug report: SSI -> signal 10 (nginx 0.7.10, Solaris 10)

Hannes Haug hannes at haug.com
Tue Nov 4 22:21:39 MSK 2008


Hi all,

a SSI bug in 0.7.19 but not in 0.6.32 results in "worker process NNNNN
exited on signal 10 (core dumped)"
if I have many include instructions in one file. 5 includes are ok, 6
not. See details below.

Regards
 Hannes

$ cd nginx-0.7.19
$ ./configure --prefix=/cs/nginx --with-pcre=../pcre-7.8
checking for OS
 + SunOS 5.10 sun4v
checking for C compiler ... found
 + using GNU C compiler
 + gcc version: 4.2.0 (gccfss)
checking for gcc -pipe switch ... found
checking for gcc variadic macros ... found
checking for C99 variadic macros ... found
checking for unistd.h ... found
checking for inttypes.h ... found
checking for limits.h ... found
checking for sys/filio.h ... found
checking for crypt.h ... found
checking for SunOS specific features
checking for sendfilev() ... found
checking for event ports ... found
checking for nobody group ... found
checking for poll() ... found
checking for /dev/poll ... found
checking for kqueue ... not found
checking for crypt() ... found
checking for O_DIRECT ... not found
checking for F_NOCACHE ... not found
checking for directio() ... found
checking for zlib library ... found
checking for int size ... 4 bytes
checking for long size ... 4 bytes
checking for long long size ... 8 bytes
checking for void * size ... 4 bytes
checking for uint64_t ... found
checking for sig_atomic_t ... found
checking for sig_atomic_t size ... 4 bytes
checking for socklen_t ... found
checking for in_addr_t ... found
checking for in_port_t ... found
checking for rlim_t ... found
checking for uintptr_t ... uintptr_t found
checking for system endianess ... big endianess
checking for size_t size ... 4 bytes
checking for off_t size ... 8 bytes
checking for time_t size ... 4 bytes
checking for setproctitle() ... not found
checking for pread() ... found
checking for pwrite() ... found
checking for strerror_r() ... found
checking for gnu style strerror_r() ... found but is not working
checking for localtime_r() ... found
checking for posix_memalign() ... not found
checking for memalign() ... found
checking for sched_yield() ... found
checking for mmap(MAP_ANON|MAP_SHARED) ... found
checking for mmap("/dev/zero", MAP_SHARED) ... found
checking for System V shared memory ... found
checking for struct msghdr.msg_control ... not found
checking for ioctl(FIONBIO) ... found
checking for struct tm.tm_gmtoff ... not found
checking for struct dirent.d_namlen ... not found
checking for struct dirent.d_type ... not found

Configuration summary
 + using PCRE library: ../pcre-7.8
 + OpenSSL library is not used
 + md5 library is not used
 + sha1 library is not used
 + using system zlib library

 nginx path prefix: "/cs/nginx"
 nginx binary file: "/cs/nginx/sbin/nginx"
 nginx configuration prefix: "/cs/nginx/conf"
 nginx configuration file: "/cs/nginx/conf/nginx.conf"
 nginx pid file: "/cs/nginx/logs/nginx.pid"
 nginx error log file: "/cs/nginx/logs/error.log"
 nginx http access log file: "/cs/nginx/logs/access.log"
 nginx http client request body temporary files: "/cs/nginx/client_body_temp"
 nginx http proxy temporary files: "/cs/nginx/proxy_temp"
 nginx http fastcgi temporary files: "/cs/nginx/fastcgi_temp"

$ make install
nothing special
$ cat >/cs/nginx/conf/nginx.cfg
worker_rlimit_core   1024m;

events {
   worker_connections  1024;
}

http {
   ssi on;

   types {
       text/html                 html htm;
       text/css                  css;ls /cs
       application/x-javascripts js;
       image/gif                 gif;
       image/jpeg                jpeg jpg;
       image/png                 png;
   }
   default_type application/octet-stream;

   server {
       listen 7080;
   }
}
^D
$ cat >/cs/nginx/html/index.html
<html>
 <head>
   <title>include test</title>
 </head>
 <body>
   <!--# include virtual="fragment.html" --><br>
   <!--# include virtual="fragment.html" --><br>
   <!--# include virtual="fragment.html" --><br>
   <!--# include virtual="fragment.html" --><br>
   <!--# include virtual="fragment.html" --><br>
   <!--# include virtual="fragment.html" --><br>
 </body>
</html>
^D
$ cat >/cs/nginx/html/fragment.html
included text
^D
$ cd /cs/nginx
$ sbin/nginx
$ GET -e http://localhost:7080
GET -e http://localhost:7080
Client-Date: Tue, 04 Nov 2008 08:44:06 GMT
Client-Peer: 127.0.0.1:7080
Client-Response-Num: 1

$ cat logs/error.log
2008/11/04 09:44:06 [alert] 22399#0: worker process 22400 exited on
signal 10 (core dumped)
$ mdb sbin/nginx core
Loading modules: [ libc.so.1 ld.so.1 ]
> ::stack
ngx_read_file+0x70(b025c, b0480, e, 0, 0, 0)
ngx_output_chain+0x840(b0400, b0448, 60000000, 80000000, ffbfe80c, b0200)
ngx_http_copy_filter+0xd4(afcb8, ffbfe9e8, b0400, 8000, 980a4, b5918)
ngx_http_range_body_filter+0x54(afcb8, ffbfe9e8, b025c, afcb8, e, 45c4c)
ngx_http_output_filter+0x10(afcb8, ffbfe9e8, 3728, 3728, 0, 54f60)
ngx_http_static_handler+0x514(b0200, 0, b025c, afcb8, e, 80)
ngx_http_core_content_phase+0x3c(afcb8, b4078, 2, 1, 5, acb90)
ngx_http_core_run_phases+0x3c(afcb8, 28, a9350, a91d0, 0, 0)
ngx_http_handler+0x180(afcb8, a0, b5918, a0, 800000, b5918)
ngx_http_subrequest+0x3cc(acb90, 20000, 0, ffbfec34, b, 0)
ngx_http_ssi_include+0x528(acb90, ad870, 0, 0, e, 1)
ngx_http_ssi_body_filter+0x1758(acb90, adb85, ffbfed04, 80c90, ad870, ad884)
ngx_output_chain+0xbf4(ada28, ada70, adc30, 80000000, 5ae20, ada70)
ngx_http_copy_filter+0xd4(acb90, ffbff048, ada28, 8000, 980a4, b5918)
ngx_http_range_body_filter+0x54(acb90, ffbff048, ad7a0, acb90, a, 45c4c)
ngx_http_output_filter+0x10(acb90, ffbff048, 0, 0, 0, 54f60)
ngx_http_static_handler+0x514(ad768, 0, ad7a0, acb90, a, 80)
ngx_http_core_content_phase+0x3c(acb90, b4078, 0, 1, 5, 8)
ngx_http_core_run_phases+0x3c(acb90, 28, a9350, a91d0, 0, 0)
ngx_http_handler+0x180(acb90, a0, b5918, a0, 800000, b5918)
ngx_http_internal_redirect+0x118(acb90, 20, a4c00, 60, 6b, a)
ngx_http_index_handler+0x590(acb90, b, ad6f2, ad700, a, 1)
ngx_http_core_content_phase+0x3c(acb90, b4060, 0, 1, 5, 8)
ngx_http_core_run_phases+0x3c(acb90, 20, a9350, a91d0, 0, 0)
ngx_http_handler+0x180(acb90, 0, b5918, 0, 0, 0)
ngx_http_process_request+0xa4(acb90, 3f400, 3f368, 0, d88e0, 3f000)
ngx_http_process_request_headers+0x5d8(2, a, acb90, 7e768, ad520, ffbff570)
ngx_http_process_request_line+0x438(cb8d8, acbc8, acc34, acb90, b5918, 4)
ngx_http_init_request+0x418(0, 42500, cb8d8, acb90, b5918, 95c00)
ngx_devpoll_process_events+0x32c(a4d54, a4c04, 40000000, a4c00, 10000000, 0)
ngx_process_events_and_timers+0xd0(a87a8, a4c00, ea60, 1, 19ba, 66ac47aa)
ngx_worker_process_cycle+0x674(a87a8, a4c00, a4b34, 7cd28, a4c2c, a4d7c)
ngx_spawn_process+0x41c(a87a8, 340f0, 0, 7cc50, fffffffe, 0)
ngx_start_worker_processes+0x90(a87a8, 9c800, fffffffe, a4c30, 1, 4)
ngx_master_process_cycle+0x1f8(a87a8, fffffffe, 1a, b411d, b4136, 20)
main+0x720(27, a4c00, 1, a4c00, a8f58, a87a8)
_start+0x5c(0, 0, 0, 0, 0, 0)
> ::quit





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