Edit report at http://bugs.php.net/bug.php?id=51425&edit=1

 ID:               51425
 Comment by:       adam dot zivner at gmail dot com
 Reported by:      jimmyxx at gmail dot com
 Summary:          segfaults at method_exists()
 Status:           Open
 Type:             Bug
 Package:          Class/Object related
 Operating System: Ubuntu 9.10
 PHP Version:      5.2.13

 New Comment:

Experiencing the same problem on PHP 5.3.12. PHP 5.3.1 runs fine.


Previous Comments:
------------------------------------------------------------------------
[2010-03-30 12:12:30] jimmyxx at gmail dot com

Urgh I just installed the debs I compiled but realised this it's still
5.2.10 as 

I use package manager to get me the build-deps. 



here is the backtrace from the compiled version:



#0  0x012d8a5d in zif_method_exists (ht=2, return_value=0x20d06588, 

return_value_ptr=0x0, this_ptr=0x0, return_value_used=1) at
/home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_builtin_functions.c:935

935             convert_to_string_ex(method_name);

(gdb) bt full

#0  0x012d8a5d in zif_method_exists (ht=2, return_value=0x20d06588, 

return_value_ptr=0x0, this_ptr=0x0, return_value_used=1) at
/home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_builtin_functions.c:935

        klass = 0x20bb047c

        method_name = 0x20bb0480

        lcname = 0x0

        ce = 0x20d0f03c

        pce = 0x20b0c364

#1  0x012f0f52 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfc4830c) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:200

        return_reference = 0 '\000'

        opline = 0x20d22008

        original_return_value = 0x20d0a4c8

        current_scope = 0x0

        current_this = 0x0

        return_value_used = 1

        should_change_scope = 0 '\000'

        ctor_opline = 0xbfc48314

#2  0x012f4ca9 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xbfc4830c) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:1739

        opline = 0x20d22008

        fname = 0x20d22024

#3  0x012f0a8b in execute (op_array=0x20d07aa8) at /home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_vm_execute.h:92

        execute_data = {opline = 0x20d22008, function_state = 

{function_symbol_table = 0x20bdf8e0, function = 0x20ac7080, reserved =
{0x21, 

0x648855b6, 0xbfc48344, 0x20c18f24}}, fbc = 0x0, 

          op_array = 0x20d07aa8, object = 0x0, Ts = 0xbfc46bf0, CVs = 

0xbfc46bc0, original_in_execution = 1 '\001', symbol_table = 0x20bdf550,


prev_execute_data = 0xbfc4872c, 

          old_error_reporting = 0x0}

        op_array = 0x20d07aa8

#4  0x012f110d in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfc4872c) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:234

        opline = 0x20c1e9f8

        original_return_value = 0xbfc488b0

        current_scope = 0x20c18f24

        current_this = 0x20cea3e0

        return_value_used = 1

        should_change_scope = 1 '\001'

        ctor_opline = 0xbfc485d0

#5  0x012f1687 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfc4872c) 

at /home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:322

No locals.

#6  0x012f0a8b in execute (op_array=0x20c1cc9c) at /home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_vm_execute.h:92

        execute_data = {opline = 0x20c1e9f8, function_state = 

{function_symbol_table = 0x20bdf550, function = 0x20d07aa8, reserved = 

{0xbfc487c8, 0x12ea192, 0x0, 0x20c18f24}}, fbc = 0x20d07aa8, 

          op_array = 0x20c1cc9c, object = 0x20d00620, Ts = 0xbfc48450,
CVs = 

0xbfc48430, original_in_execution = 1 '\001', symbol_table = 0x20bdf48c,


prev_execute_data = 0xbfc4891c, 

          old_error_reporting = 0x0}

        op_array = 0x20c1cc9c

#7  0x012f110d in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfc4891c) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:234

        opline = 0x20c1bd40

        original_return_value = 0xbfc48a8c

        current_scope = 0x20c18f24

        current_this = 0x20cea3e0

        return_value_used = 0

        should_change_scope = 1 '\001'

        ctor_opline = 0xbfc4a3bc

#8  0x012f1687 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfc4891c) 

at /home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:322

No locals.

#9  0x012f0a8b in execute (op_array=0x20c1a8d4) at /home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_vm_execute.h:92

        execute_data = {opline = 0x20c1bd40, function_state = 

{function_symbol_table = 0x20bdf48c, function = 0x20c1cc9c, reserved = 

{0xbfc489b8, 0x12ea192, 0x0, 0x20bc08e4}}, fbc = 0x20c1cc9c, 

          op_array = 0x20c1a8d4, object = 0x20cea3e0, Ts = 0xbfc48870,
CVs = 

0xbfc48850, original_in_execution = 1 '\001', symbol_table = 0x20bdf018,


prev_execute_data = 0xbfc48acc, 

          old_error_reporting = 0x0}

        op_array = 0x20c1a8d4

#10 0x012f110d in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfc48acc) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:234

        opline = 0x20bd0acc

        original_return_value = 0xbfc48c64

        current_scope = 0x20bc08e4

        current_this = 0x20bdec9c

        return_value_used = 1

        should_change_scope = 1 '\001'

        ctor_opline = 0xbfc4a3bc

#11 0x012f1687 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfc48acc) 

at /home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:322

No locals.

#12 0x012f0a8b in execute (op_array=0x20bcf88c) at /home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_vm_execute.h:92

        execute_data = {opline = 0x20bd0acc, function_state = 

{function_symbol_table = 0x20bdf018, function = 0x20c1a8d4, reserved = 

{0xbfc48b68, 0x12ea192, 0x0, 0x20bc08e4}}, fbc = 0x20c1a8d4, 

          op_array = 0x20bcf88c, object = 0x20cea3e0, Ts = 0xbfc48a60,
CVs = 

0xbfc48a40, original_in_execution = 1 '\001', symbol_table = 0x20bbdf50,


prev_execute_data = 0xbfc48cac, 

          old_error_reporting = 0x0}

        op_array = 0x20bcf88c

#13 0x012f110d in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfc48cac) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:234

        opline = 0x20bd0830

        original_return_value = 0xbfc490ec

        current_scope = 0x20bc08e4

        current_this = 0x0

        return_value_used = 1

        should_change_scope = 1 '\001'

        ctor_opline = 0xbfc4a3bc

#14 0x012f1687 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfc48cac) 

at /home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:322

No locals.

#15 0x012f0a8b in execute (op_array=0x20bcf3e0) at /home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_vm_execute.h:92

        execute_data = {opline = 0x20bd0830, function_state = 

{function_symbol_table = 0x20bbdf50, function = 0x20bcf88c, reserved = 

{0xbfc4a3bc, 0x20d00960, 0xcc27f7, 0xc}}, fbc = 0x20bcf88c, 

          op_array = 0x20bcf3e0, object = 0x20bdec9c, Ts = 0xbfc48c10,
CVs = 

0xbfc48bf0, original_in_execution = 1 '\001', symbol_table = 0x20bbf7f0,


prev_execute_data = 0xbfc491dc, 

          old_error_reporting = 0x0}

        op_array = 0x20bcf3e0

#16 0x012f110d in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfc491dc) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:234

        opline = 0x20bc2e58

        original_return_value = 0xbfc49278

        current_scope = 0x0

        current_this = 0x0

        return_value_used = 0

        should_change_scope = 1 '\001'

        ctor_opline = 0xbfc4a398

#17 0x012f1687 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfc491dc) 

at /home/jimmy/php5-5.2.10.dfsg.1/Zend/zend_vm_execute.h:322

No locals.

#18 0x012f0a8b in execute (op_array=0x20bbd508) at /home/jimmy/php5-

5.2.10.dfsg.1/Zend/zend_vm_execute.h:92

        execute_data = {opline = 0x20bc2e58, function_state = 

{function_symbol_table = 0x20bbf7f0, function = 0x20bcf3e0, reserved = 

{0xbfc4a3bc, 0x12d149f, 0x20bbdcb0, 0xbfc4926c}}, 

          fbc = 0x20bcf3e0, op_array = 0x20bbd508, object = 0x0, Ts = 

0xbfc48df0, CVs = 0xbfc48dd0, original_in_execution = 0 '\000',
symbol_table = 

0x1573cb0, prev_execute_data = 0x0, 

          old_error_reporting = 0x0}

        op_array = 0x20bbd508

#19 0x012c5ddc in zend_execute_scripts (type=8, retval=0x0,
file_count=3) at 

/home/jimmy/php5-5.2.10.dfsg.1/Zend/zend.c:1215

        files = 0xbfc492b4 ""

        i = 1

        file_handle = 0xbfc4b4d4

        orig_op_array = 0x0

        orig_retval_ptr_ptr = 0x0

        local_retval = 0x0

#20 0x01269998 in php_execute_script (primary_file=0xbfc4b4d4) at 

/home/jimmy/php5-5.2.10.dfsg.1/main/main.c:2046

        realfile = 

"\000\000\000\000\000\000\377\377\200\061\347\000\200\062\347\000\200\063\347\00

0\300\064\347\000|\244Ä¿\000\065\254 `\243\247 r\243\247
|\244Ä¿\000\065\254 

\000\000\000\000\000\000\000\000\001\000\000\000\001", '\000' <repeats
15 

times>, 

"\001\000\000\000\000\002\000\000\000\000\000\000\000\000\000\000\001\000\000\00

0\n\027\000\000\000\000\000\000r\243\247 +5\254 

\000\000\000\000/\000\000\000/\000\000\000+\000\000\000^\000\000U\000\003U\000\0

03\033\003\000\005U\000\003U\000\v\al\246Ä¿", '\000' <repeats 12 times>,
"?

\000\000\000\000\000\000\000\377\377\377\377\000\000\000\000\000\000\000\000\376

\377\377\377\377\377\377\377\000\000\000\000\223\271\232 

\376\377\377\377\377\377\377\377\223\271\232 

\000\000\000\000\000\000\000\000\004\246Ä¿", '\000' <repeats 12
times>"\267, 

\271\232 \256\263\313\000\364\317\"\000\000\000\000\000\220\271\232 

\270\251Ä¿n\a\306\000\274\325\"\000$\245Ä¿

\000\362!\000n\a\306\000\336h\030\000\224"...

        __orig_bailout = 0xbfc4b438

        __bailout = {{__jmpbuf = {22274036, -1077632104, -1077632068, -

1077627880, 1252126738, -1901499537}, __mask_was_saved = 0, __saved_mask
= 

{__val = 0xbfc4a318}}}

        prepend_file_p = 0x0

        append_file_p = 0x0

        prepend_file = {type = 0 '\000', filename = 0x0, opened_path =
0x0, 

handle = {fd = 0, fp = 0x0, stream = {handle = 0x0, reader = 0, closer =
0, 

fteller = 0, interactive = 0}}, 

          free_filename = 0 '\000'}

        append_file = {type = 0 '\000', filename = 0x0, opened_path =
0x0, 

handle = {fd = 0, fp = 0x0, stream = {handle = 0x0, reader = 0, closer =
0, 

fteller = 0, interactive = 0}}, 

          free_filename = 0 '\000'}

        old_cwd = 0xbfc492d0 "/"

        retval = 0

        primary_file = 0xbfc4b4d4

#21 0x013485b4 in php_handler (r=0x20bfbc58) at /home/jimmy/php5-

5.2.10.dfsg.1/sapi/apache2handler/sapi_apache2.c:651

        zfd = {type = 5 '\005', filename = 0x20bffdb8 

"/tink/dev/gts4/gts4/index.php", opened_path = 0x0, handle = {fd =
549181156, fp 

= 0x20bbd6e4, stream = {handle = 0x20bbd6e4, 

              reader = 0x128293c <_php_stream_read>, closer = 0x12679bb


<stream_closer_for_zend>, fteller = 0x12679e6 <stream_fteller_for_zend>,


interactive = 0}}, free_filename = 0 '\000'}

        __orig_bailout = <incomplete type>

        __bailout = {{__jmpbuf = {22274036, 547868316, 3, -1077627592, 

1257041938, -1434299537}, __mask_was_saved = 0, __saved_mask = {__val =


0xbfc4b454}}}

        ctx = 0x20bffdd8

        conf = 0x20bfb730

        brigade = 0x20c00578

        bucket = 0x12

        rv = 476569600

        parent_req = 0x0

#22 0x0060df51 in ap_run_handler () from /usr/sbin/apache2

No symbol table info available.

#23 0x00611d2f in ap_invoke_handler () from /usr/sbin/apache2

No symbol table info available.

#24 0x006213f4 in ap_internal_redirect () from /usr/sbin/apache2

No symbol table info available.

#25 0x0065b80d in ?? () from /usr/lib/apache2/modules/mod_rewrite.so

No symbol table info available.

#26 0x0060df51 in ap_run_handler () from /usr/sbin/apache2

No symbol table info available.

#27 0x00611d2f in ap_invoke_handler () from /usr/sbin/apache2

No symbol table info available.

#28 0x006215a8 in ap_process_request () from /usr/sbin/apache2

No symbol table info available.

#29 0x0061e118 in ?? () from /usr/sbin/apache2

No symbol table info available.

#30 0x006167c1 in ap_run_process_connection () from /usr/sbin/apache2

No symbol table info available.

#31 0x00626ac1 in ?? () from /usr/sbin/apache2

No symbol table info available.

#32 0x00626dee in ?? () from /usr/sbin/apache2

No symbol table info available.

#33 0x006271c2 in ap_mpm_run () from /usr/sbin/apache2

No symbol table info available.

#34 0x005f8a92 in main () from /usr/sbin/apache2

No symbol table info available.

------------------------------------------------------------------------


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    http://bugs.php.net/bug.php?id=51425


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