*** glibc detected *** nginx: worker process: double free or corruption

[Александр Кутузов]

ну включаем корки, и смотрим бэктрейс. 

17.06.2010, в 20:57, Theodor Zurabishvili написал(а):

> Добрый день!
> 
> Имеется Fedora 12
> 2.6.32.9-70.fc12.i686.PAE
> 
> На ней установлен nginx со стриминг модулем h264 
> nginx version: nginx/0.8.39
> built by gcc 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC)
> TLS SNI support enabled
> configure arguments: --user=nginx --group=nginx --prefix=/usr/share/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --http-client-body-temp-path=/var/lib/nginx/tmp/client_body --http-proxy-temp-path=/var/lib/nginx/tmp/proxy --http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi --pid-path=/var/run/nginx.pid --lock-path=/var/lock/subsys/nginx --with-select_module --with-poll_module --with-http_ssl_module --with-http_realip_module --with-http_addition_module --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_stub_status_module --with-http_perl_module --with-debug --add-module=/home/cloudtemple/rpmbuild/SOURCES/nginx_mod_h264_streaming-2.2.7 --with-cc-opt='-O2 -g -march=i386 -mtune=i686'
> 
> В логах появляются вот такие вот сообщения:
> 
> *** glibc detected *** nginx: worker process: double free or corruption (!prev): 0x08632a68 ***
> ======= Backtrace: =========
> /lib/libc.so.6(+0x6e851)[0xd35851]
> /lib/libc.so.6(fclose+0x14a)[0xd2566a]
> nginx: worker process[0x80c0912]
> nginx: worker process[0x80c14d4]
> nginx: worker process[0x80bd8d4]
> nginx: worker process(ngx_http_core_content_phase+0x28)[0x807f6b8]
> nginx: worker process(ngx_http_core_run_phases+0x3b)[0x807a86b]
> nginx: worker process[0x8085172]
> nginx: worker process[0x8085e40]
> nginx: worker process(ngx_event_process_posted+0x43)[0x80694d3]
> nginx: worker process(ngx_process_events_and_timers+0xc4)[0x8069244]
> nginx: worker process[0x8070645]
> nginx: worker process(ngx_spawn_process+0x185)[0x806e955]
> nginx: worker process(ngx_master_process_cycle+0x6f3)[0x80713b3]
> nginx: worker process(main+0x7d5)[0x8054465]
> /lib/libc.so.6(__libc_start_main+0xe6)[0xcddbb6]
> nginx: worker process[0x8052e71]
> ======= Memory map: ========
> 00110000-00281000 r-xp 00000000 08:03 12840728 /usr/lib/libcrypto.so.1.0.0
> 00281000-00295000 rw-p 00170000 08:03 12840728 /usr/lib/libcrypto.so.1.0.0
> 00295000-00298000 rw-p 00000000 00:00 0
> 00298000-002af000 r-xp 00000000 08:03 180389 /lib/libnsl-2.11.2.so
> 002af000-002b0000 r--p 00016000 08:03 180389 /lib/libnsl-2.11.2.so
> 002b0000-002b1000 rw-p 00017000 08:03 180389 /lib/libnsl-2.11.2.so
> 002b1000-002b3000 rw-p 00000000 00:00 0
> 002b3000-002c9000 r-xp 00000000 08:03 180428 /lib/libpthread-2.11.2.so
> 002c9000-002ca000 r--p 00015000 08:03 180428 /lib/libpthread-2.11.2.so
> 002ca000-002cb000 rw-p 00016000 08:03 180428 /lib/libpthread-2.11.2.so
> 002cb000-002cd000 rw-p 00000000 00:00 0
> 002cd000-00312000 r-xp 00000000 08:03 180336 /lib/libfreebl3.so
> 00312000-00313000 rw-p 00044000 08:03 180336 /lib/libfreebl3.so
> 00313000-00317000 rw-p 00000000 00:00 0
> 00317000-00344000 r-xp 00000000 08:03 181968 /lib/libgssapi_krb5.so.2.2
> 00344000-00345000 rw-p 0002d000 08:03 181968 /lib/libgssapi_krb5.so.2.2
> 00345000-003f8000 r-xp 00000000 08:03 181974 /lib/libkrb5.so.3.3
> 003f8000-003fe000 rw-p 000b3000 08:03 181974 /lib/libkrb5.so.3.3
> 003fe000-00400000 r-xp 00000000 08:03 180410 /lib/libcom_err.so.2.1
> 00400000-00401000 rw-p 00002000 08:03 180410 /lib/libcom_err.so.2.1
> 00401000-00409000 r-xp 00000000 08:03 181976 /lib/libkrb5support.so.0.1
> 00409000-0040a000 rw-p 00007000 08:03 181976 /lib/libkrb5support.so.0.1
> 0040a000-0040c000 r-xp 00000000 08:03 180417 /lib/libkeyutils-1.2.so
> 0040c000-0040d000 rw-p 00001000 08:03 180417 /lib/libkeyutils-1.2.so
> 0040d000-00418000 r-xp 00000000 08:03 180407 /lib/libnss_files-2.11.2.so
> 00418000-00419000 r--p 0000a000 08:03 180407 /lib/libnss_files-2.11.2.so
> 00419000-0041a000 rw-p 0000b000 08:03 180407 /lib/libnss_files-2.11.2.so
> 0041f000-00422000 r-xp 00000000 08:03 180379 /lib/libdl-2.11.2.so
> 00422000-00423000 r--p 00002000 08:03 180379 /lib/libdl-2.11.2.so
> 00423000-00424000 rw-p 00003000 08:03 180379 /lib/libdl-2.11.2.so
> 00424000-0044e000 r-xp 00000000 08:03 181972 /lib/libk5crypto.so.3.1
> 0044e000-0044f000 rw-p 0002a000 08:03 181972 /lib/libk5crypto.so.3.1
> 0044f000-00463000 r-xp 00000000 08:03 12953644 /usr/lib/perl5/vendor_perl/5.10.0/i386-linux-thread-multi/auto/nginx/nginx.so
> 00463000-00464000 rw-p 00014000 08:03 12953644 /usr/lib/perl5/vendor_perl/5.10.0/i386-linux-thread-multi/auto/nginx/nginx.so
> 00464000-00481000 r-xp 00000000 08:03 181901 /lib/libgcc_s-4.4.3-20100127.so.1
> 00481000-00482000 rw-p 0001c000 08:03 181901 /lib/libgcc_s-4.4.3-20100127.so.1
> 00501000-00530000 r-xp 00000000 08:03 180459 /lib/libpcre.so.0.0.1
> 00530000-00531000 rw-p 0002e000 08:03 180459 /lib/libpcre.so.0.0.1
> 005ab000-005d3000 r-xp 00000000 08:03 180383 /lib/libm-2.11.2.so
> 005d3000-005d4000 r--p 00027000 08:03 180383 /lib/libm-2.11.2.so
> 005d4000-005d5000 rw-p 00028000 08:03 180383 /lib/libm-2.11.2.so
> 006ad000-006ff000 r-xp 00000000 08:03 12840730 /usr/lib/libssl.so.1.0.0
> 006ff000-00703000 rw-p 00051000 08:03 12840730 /usr/lib/libssl.so.1.0.0
> 00752000-00753000 r-xp 00000000 00:00 0 [vdso]
> 00769000-0077d000 r-xp 00000000 08:03 180432 /lib/libresolv-2.11.2.so
> 0077d000-0077e000 ---p 00014000 08:03 180432 /lib/libresolv-2.11.2.so
> 0077e000-0077f000 r--p 00014000 08:03 180432 /lib/libresolv-2.11.2.so
> 0077f000-00780000 rw-p 00015000 08:03 180432 /lib/libresolv-2.11.2.so
> 00780000-00782000 rw-p 00000000 00:00 0
> 008f2000-00910000 r-xp 00000000 08:03 180348 /lib/ld-2.11.2.so
> 00910000-00911000 r--p 0001d000 08:03 180348 /lib/ld-2.11.2.so
> 00911000-00912000 rw-p 0001e000 08:03 180348 /lib/ld-2.11.2.so
> 00912000-00b71000 r-xp 00000000 08:03 12910863 /usr/lib/perl5/5.10.0/i386-linux-thread-multi/CORE/libperl.so
> 00b71000-00b76000 rw-p 0025f000 08:03 12910863 /usr/lib/perl5/5.10.0/i386-linux-thread-multi/CORE/libperl.so
> 00c6c000-00c88000 r-xp 00000000 08:03 180420 /lib/libselinux.so.1
> 00c88000-00c89000 r--p 0001b000 08:03 180420 /lib/libselinux.so.1
> 00c89000-00c8a000 rw-p 0001c000 08:03 180420 /lib/libselinux.so.1
> 00cb4000-00cc6000 r-xp 00000000 08:03 180398 /lib/libz.so.1.2.3
> 00cc6000-00cc7000 rw-p 00011000 08:03 180398 /lib/libz.so.1.2.3
> 00cc7000-00e36000 r-xp 00000000 08:03 180367 /lib/libc-2.11.2.so
> 00e36000-00e37000 ---p 0016f000 08:03 180367 /lib/libc-2.11.2.so
> 00e37000-00e39000 r--p 0016f000 08:03 180367 /lib/libc-2.11.2.so
> 00e39000-00e3a000 rw-p 00171000 08:03 180367 /lib/libc-2.11.2.so
> 00e3a000-00e3d000 rw-p 00000000 00:00 0
> 00f33000-00f35000 r-xp 00000000 08:03 180387 /lib/libutil-2.11.2.so
> 00f35000-00f36000 r--p 00001000 08:03 180387 /lib/libutil-2.11.2.so
> 00f36000-00f37000 rw-p 00002000 08:03 180387 /lib/libutil-2.11.2.so
> 00fc1000-00fc8000 r-xp 00000000 08:03 180375 /lib/libcrypt-2.11.2.so
> 00fc8000-00fc9000 r--p 00007000 08:03 180375 /lib/libcrypt-2.11.2.so
> 00fc9000-00fca000 rw-p 00008000 08:03 180375 /lib/libcrypt-2.11.2.so
> 00fca000-00ff1000 rw-p 00000000 00:00 0
> 08048000-080d9000 r-xp 00000000 08:03 12839968 /usr/sbin/nginx
> 080d9000-080e2000 rw-p 00090000 08:03 12839968 /usr/sbin/nginx
> 080e2000-080ec000 rw-p 00000000 00:00 0
> 085ef000-086a9000 rw-p 00000000 00:00 0 [heap]
> b78a7000-b78ad000 rw-p 00000000 00:00 0
> b78b9000-b78ba000 rw-s 00000000 00:04 56173325 /dev/zero (deleted)
> b78ba000-b78bb000 rw-p 00000000 00:00 0
> bf93d000-bf952000 rw-p 00000000 00:00 0 [stack]
> 2010/06/17 20:30:51 [alert] 22980#0: worker process 23020 exited on signal 6
> 
> До этого стояла версия 0.7.65, с той же проблемой.
> При включении дебага видно, что это происходит выполнения add cleanup
> Подскажите, в какую сторону копать.
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