[Bug 725812] Re: PHP5.3.2 throws SEGV on gc_collect_cycles() on script shutdown

[J Queiroz]

Got the backtrace from the original server.

GNU gdb (GDB) 7.1-ubuntu
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Lendo símbolos de /usr/sbin/apache2...concluído.
(gdb) r -X
Starting program: /usr/sbin/apache2 -X
[Thread debugging using libthread_db enabled]
[New Thread 0xb5e4db70 (LWP 1612)]
[Thread 0xb5e4db70 (LWP 1612) exited]

Program received signal SIGSEGV, Segmentation fault.
zval_mark_grey (pz=0xb8d9e028) at /build/buildd/php5-5.3.2/Zend/zend_gc.c:356
356     /build/buildd/php5-5.3.2/Zend/zend_gc.c: Arquivo ou diretório não encontrado.
        in /build/buildd/php5-5.3.2/Zend/zend_gc.c
(gdb) bt
#0  zval_mark_grey (pz=0xb8d9e028) at /build/buildd/php5-5.3.2/Zend/zend_gc.c:356
#1  0xb7893dfd in gc_collect_cycles () at /build/buildd/php5-5.3.2/Zend/zend_gc.c:417
#2  0xb7874ff5 in zend_deactivate () at /build/buildd/php5-5.3.2/Zend/zend.c:972
#3  0xb7819868 in php_request_shutdown (dummy=0x0) at /build/buildd/php5-5.3.2/main/main.c:1649
#4  0xb790681c in php_handler (r=0xb837c3c0) at /build/buildd/php5-5.3.2/sapi/apache2handler/sapi_apache2.c:512
#5  0xb7fdb031 in ap_run_handler (r=0xb837c3c0) at /build/buildd/apache2-2.2.14/server/config.c:159
#6  0xb7fdee17 in ap_invoke_handler (r=0xb837c3c0) at /build/buildd/apache2-2.2.14/server/config.c:373
#7  0xb7fee728 in ap_process_request (r=0xb837c3c0) at /build/buildd/apache2-2.2.14/modules/http/http_request.c:282
#8  0xb7feb258 in ap_process_http_connection (c=0xb83762f0) at /build/buildd/apache2-2.2.14/modules/http/http_core.c:190
#9  0xb7fe38a1 in ap_run_process_connection (c=0xb83762f0) at /build/buildd/apache2-2.2.14/server/connection.c:43
#10 0xb7ff3bea in child_main (child_num_arg=<value optimized out>) at /build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:662
#11 0xb7ff3f21 in make_child (s=<value optimized out>, slot=0) at /build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:702
#12 0xb7ff46af in ap_mpm_run (_pconf=0xb800e0a8, plog=0xb8040170, s=0xb80128e8) at /build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:978
#13 0xb7fc5a92 in main (argc=2, argv=0xbffffcc4) at /build/buildd/apache2-2.2.14/server/main.c:742
(gdb)

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https://bugs.launchpad.net/bugs/725812

Title:
  PHP5.3.2 throws SEGV on gc_collect_cycles() on script shutdown