Public bug reported:
After installing php5-xdebug, I get segmentation faults in the apache
error log. Using gdb, I was able to get the following backtrace.
Program received signal SIGSEGV, Segmentation fault.
0xb75f2785 in ?? () from /lib/tls/i686/cmov/libc.so.6
(gdb) backtrace
#0 0xb75f2785 in ?? () from /lib/tls/i686/cmov/libc.so.6
#1 0xb6fa1d6c in php_addcslashes () from /usr/lib/apache2/modules/libphp5.so
#2 0xb6575b0a in xdebug_var_export (struc=0xbfd12d20, str=0xbfd12d00, level=1,
debug_zval=0, options=0xba0e5a98)
at /build/buildd/xdebug-2.0.5/build-php5/xdebug_var.c:283
#3 0xb6575fc6 in xdebug_get_zval_value (val=0xb9924ffc, debug_zval=0,
options=0xba0e5a98) at /build/buildd/xdebug-2.0.5/build-php5/xdebug_var.c:365
#4 0xb655c985 in add_stack_frame (zdata=0xb96dff44, op_array=0xb999bbcc,
type=2) at /build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1081
#5 0xb655de3f in xdebug_execute (op_array=0xb999bbcc) at
/build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1512
#6 0xb708d8c0 in ?? () from /usr/lib/apache2/modules/libphp5.so
#7 0xb707894e in execute () from /usr/lib/apache2/modules/libphp5.so
#8 0xb655e015 in xdebug_execute (op_array=0xb9c9f3e4) at
/build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1562
#9 0xb70a1a86 in ?? () from /usr/lib/apache2/modules/libphp5.so
#10 0xb707894e in execute () from /usr/lib/apache2/modules/libphp5.so
#11 0xb655e015 in xdebug_execute (op_array=0xb9c9ec50) at
/build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1562
#12 0xb70a1a86 in ?? () from /usr/lib/apache2/modules/libphp5.so
#13 0xb707894e in execute () from /usr/lib/apache2/modules/libphp5.so
#14 0xb655e015 in xdebug_execute (op_array=0xb9c9ff1c) at
/build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1562
#15 0xb70a1a86 in ?? () from /usr/lib/apache2/modules/libphp5.so
#16 0xb707894e in execute () from /usr/lib/apache2/modules/libphp5.so
#17 0xb655e015 in xdebug_execute (op_array=0xb9cf44e8) at
/build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1562
#18 0xb704e836 in zend_execute_scripts () from
/usr/lib/apache2/modules/libphp5.so
#19 0xb6ff2be4 in php_execute_script () from /usr/lib/apache2/modules/libphp5.so
#20 0xb70e0f8b in ?? () from /usr/lib/apache2/modules/libphp5.so
#21 0xb77d4291 in ap_run_handler (r=0xb95af8d0) at
/build/buildd/apache2-2.2.14/server/config.c:159
#22 0xb77d8077 in ap_invoke_handler (r=0xb95af8d0) at
/build/buildd/apache2-2.2.14/server/config.c:373
#23 0xb77e79a8 in ap_process_request (r=0xb95af8d0) at
/build/buildd/apache2-2.2.14/modules/http/http_request.c:282
#24 0xb77e44d8 in ap_process_http_connection (c=0xb9588ae0) at
/build/buildd/apache2-2.2.14/modules/http/http_core.c:190
#25 0xb77dcb01 in ap_run_process_connection (c=0xb9588ae0) at
/build/buildd/apache2-2.2.14/server/connection.c:43
#26 0xb77ed63a in child_main (child_num_arg=<value optimised out>) at
/build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:662
#27 0xb77ed9be in make_child (s=<value optimised out>, slot=0) at
/build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:758
#28 0xb77ee96b in perform_idle_server_maintenance (_pconf=0xb91c10a8,
plog=0xb91f3170, s=0xb91c58e8)
at /build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:893
#29 ap_mpm_run (_pconf=0xb91c10a8, plog=0xb91f3170, s=0xb91c58e8) at
/build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:1097
#30 0xb77bea92 in main (argc=3, argv=0xbfd15e84) at
/build/buildd/apache2-2.2.14/server/main.c:742
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/949923
Title:
Segmentation fault in Apache after installing XDebug
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