This is actually a problem with xdebug it appears:
(gdb) bt
#0 0x00007f2c59235022 in ?? () from /lib/libc.so.6
#1 0x00000000005f9e59 in php_addcslashes (str=0x3c0656d988681c07 <Address 0x3c0656d988681c07 out of bounds>, length=0, new_length=0x0, should_free=1, what=0x7f2c581cdaea "'\\", wlength=6)
at /build/buildd/php5-5.3.2/ext/standard/string.c:3121
#2 0x00007f2c581c1acb in xdebug_var_export (struc=0x7fff8205e3b8, str=0x7fff8205e3c0, level=1, debug_zval=0, options=0x1585090) at /build/buildd/xdebug-2.0.5/build-php5/xdebug_var.c:283
#3 0x00007f2c581c1f8e in xdebug_get_zval_value (val=0x155bd10, debug_zval=0, options=0x1585090) at /build/buildd/xdebug-2.0.5/build-php5/xdebug_var.c:365
#4 0x00007f2c581a727e in add_stack_frame (zdata=0x7f2c5bdbb068, op_array=0x155d238, type=2) at /build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1081
#5 0x00007f2c581a8984 in xdebug_execute (op_array=0x155d238) at /build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1512
#6 0x00000000006d165c in ZEND_INCLUDE_OR_EVAL_SPEC_VAR_HANDLER (execute_data=0x7f2c5bdbb068) at /build/buildd/php5-5.3.2/Zend/zend_vm_execute.h:8576
#7 0x00000000006bd400 in execute (op_array=0x155c710) at /build/buildd/php5-5.3.2/Zend/zend_vm_execute.h:104
#8 0x00007f2c581a8b9e in xdebug_execute (op_array=0x155c710) at /build/buildd/xdebug-2.0.5/build-php5/xdebug.c:1562
#9 0x000000000069512d in zend_execute_scripts (type=0, retval=0x7fff8205e920, file_count=3) at /build/buildd/php5-5.3.2/Zend/zend.c:1266
#10 0x0000000000640d98 in php_execute_script (primary_file=0x2) at /build/buildd/php5-5.3.2/main/main.c:2288
#11 0x0000000000726236 in main (argc=0, argv=0x1) at /build/buildd/php5-5.3.2/sapi/cli/php_cli.c:1196
This is actually a problem with xdebug it appears:
(gdb) bt 88681c07 <Address 0x3c0656d988681c07 out of bounds>, length=0, new_length=0x0, should_free=1, what=0x7f2c581cdaea "'\\", wlength=6) buildd/ php5-5. 3.2/ext/ standard/ string. c:3121 0x7fff8205e3b8, str=0x7fff8205e3c0, level=1, debug_zval=0, options=0x1585090) at /build/ buildd/ xdebug- 2.0.5/build- php5/xdebug_ var.c:283 get_zval_ value (val=0x155bd10, debug_zval=0, options=0x1585090) at /build/ buildd/ xdebug- 2.0.5/build- php5/xdebug_ var.c:365 0x7f2c5bdbb068, op_array=0x155d238, type=2) at /build/ buildd/ xdebug- 2.0.5/build- php5/xdebug. c:1081 0x155d238) at /build/ buildd/ xdebug- 2.0.5/build- php5/xdebug. c:1512 OR_EVAL_ SPEC_VAR_ HANDLER (execute_ data=0x7f2c5bdb b068) at /build/ buildd/ php5-5. 3.2/Zend/ zend_vm_ execute. h:8576 0x155c710) at /build/ buildd/ php5-5. 3.2/Zend/ zend_vm_ execute. h:104 0x155c710) at /build/ buildd/ xdebug- 2.0.5/build- php5/xdebug. c:1562 scripts (type=0, retval= 0x7fff8205e920, file_count=3) at /build/ buildd/ php5-5. 3.2/Zend/ zend.c: 1266 buildd/ php5-5. 3.2/main/ main.c: 2288 buildd/ php5-5. 3.2/sapi/ cli/php_ cli.c:1196
#0 0x00007f2c59235022 in ?? () from /lib/libc.so.6
#1 0x00000000005f9e59 in php_addcslashes (str=0x3c0656d9
at /build/
#2 0x00007f2c581c1acb in xdebug_var_export (struc=
#3 0x00007f2c581c1f8e in xdebug_
#4 0x00007f2c581a727e in add_stack_frame (zdata=
#5 0x00007f2c581a8984 in xdebug_execute (op_array=
#6 0x00000000006d165c in ZEND_INCLUDE_
#7 0x00000000006bd400 in execute (op_array=
#8 0x00007f2c581a8b9e in xdebug_execute (op_array=
#9 0x000000000069512d in zend_execute_
#10 0x0000000000640d98 in php_execute_script (primary_file=0x2) at /build/
#11 0x0000000000726236 in main (argc=0, argv=0x1) at /build/