[php-maint] Bug#743757: Bug#743757: php5: zend_mm_heap corrupted and segfaults while updating wordpress

[Michael Chesterton]

Ondřej,

I just tried 5.6.0~beta3+dfsg-2 and couldn't reproduce the problem
Thanks

On 10/06/14 23:23, Ondřej Surý wrote:
> Michael,
>
> could you try to reproduce this bug with 5.6.0~beta4?
>
> O.
>
> On Sun, Apr 6, 2014, at 3:54, Michael Chesterton wrote:
>> Package: php5
>> Version: 5.5.10+dfsg-1
>> Severity: normal
>>
>> Dear Maintainer,
>>
>> Trying to update plugins or wordpress itself crashes php-fpm
>>
>> #0  zend_mm_remove_from_free_list (heap=0x994b1a8, mm_block=0x9ee9e24)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_alloc.c:837
>> #1  0x0831da35 in _zend_mm_free_int (heap=0x994b1a8, p=p at entry=0x9ee9e2c)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_alloc.c:2110
>> #2  0x0831fdd8 in _efree (ptr=0x9ee9e2c)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_alloc.c:2440
>> #3  0x083fd0af in i_zval_ptr_dtor (zval_ptr=<optimized out>)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_execute.h:82
>> #4  i_free_compiled_variables (execute_data=0xf6d402e0)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_execute.c:1510
>> #5  zend_leave_helper_SPEC (execute_data=0xf6d402e0)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:399
>> #6  0x08373366 in execute_ex (execute_data=execute_data at entry=0xf6d402e0)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:363
>> #7  0x083362ed in dtrace_execute_ex
>> (execute_data=execute_data at entry=0xf6d402e0)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_dtrace.c:73
>> #8  0x083fe8ac in zend_execute (op_array=0x9af97f8)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:388
>> #9  0x08400e77 in zend_do_fcall_common_helper_SPEC
>> (execute_data=0xf6d40200)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:584
>> #10 0x08373366 in execute_ex (execute_data=execute_data at entry=0xf6d40200)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:363
>> #11 0x083362ed in dtrace_execute_ex
>> (execute_data=execute_data at entry=0xf6d40200)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_dtrace.c:73
>> #12 0x083fe8ac in zend_execute (op_array=0x9af9738)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:388
>> #13 0x08400e77 in zend_do_fcall_common_helper_SPEC
>> (execute_data=0xf6d40134)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:584
>> #14 0x08373366 in execute_ex (execute_data=execute_data at entry=0xf6d40134)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:363
>> #15 0x083362ed in dtrace_execute_ex
>> (execute_data=execute_data at entry=0xf6d40134)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_dtrace.c:73
>> #16 0x083fe8ac in zend_execute (op_array=0x9d7b788)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:388
>> #17 0x08400e77 in zend_do_fcall_common_helper_SPEC
>> (execute_data=0xf6d3fffc)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:584
>> #18 0x08373366 in execute_ex (execute_data=execute_data at entry=0xf6d3fffc)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:363
>> #19 0x083362ed in dtrace_execute_ex
>> (execute_data=execute_data at entry=0xf6d3fffc)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_dtrace.c:73
>> #20 0x083fe8ac in zend_execute (op_array=0x9d7b2a8)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:388
>> #21 0x08400e77 in zend_do_fcall_common_helper_SPEC
>> (execute_data=0xf6d3ff04)
>>     at /build/php5-_8zZb9/php5-5.5.10+dfsg/Zend/zend_vm_execute.h:584
>>
>>
>> -- System Information:
>> Debian Release: jessie/sid
>>   APT prefers testing
>>   APT policy: (500, 'testing'), (90, 'unstable'), (1, 'experimental')
>> Architecture: i386 (x86_64)
>> Foreign Architectures: amd64
>>
>> Kernel: Linux 3.12-1-amd64 (SMP w/1 CPU core)
>> Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
>> Shell: /bin/sh linked to /bin/dash
>>
>> Versions of packages php5 depends on:
>> ii  php5-common  5.5.10+dfsg-1
>> ii  php5-fpm     5.5.10+dfsg-1
>>
>> php5 recommends no packages.
>>
>> php5 suggests no packages.
>>
>> -- no debconf information
>>
>> _______________________________________________
>> pkg-php-maint mailing list
>> pkg-php-maint at lists.alioth.debian.org
>> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-php-maint
>