Edit report at https://bugs.php.net/bug.php?id=60990&edit=1
ID: 60990
Comment by: flatline at hardwired dot hu
Reported by: flatline at hardwired dot hu
Summary: Segfault when trying to allocate more memory
Status: Open
Type: Bug
Package: FPM related
Operating System: Debian Squeeze x86_64
PHP Version: 5.3.10
Block user comment: N
Private report: N
New Comment:
When I remove the suhosin.so extension it still segfaults. I don't know what you mean under
"Do you have NO PHP code running on the system?". It's a quite complex script, but I
can reproduce the problem each and every time. If I'm not mistaken when Zend tries to allocate
some more memory and it bumps into the memory_limit parameter, it blindly uses the resulting (NULL)
pointer, so that causes this segfault.
Here is the new backtrace, without suhosin.so loaded, with the env parameter you suggested:
gdb /usr/sbin/php5-fpm ./core-fpm
GNU gdb (GDB) 7.0.1-debian
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/sbin/php5-fpm...Reading symbols from
/usr/lib/debug/usr/sbin/php5-fpm...done.
(no debugging symbols found)...done.
warning: Can't read pathname for load map: Input/output error.
Reading symbols from /lib/libcrypt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libonig.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libonig.so.2
Reading symbols from /usr/lib/libcrypto.so.0.9.8...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libcrypto.so.0.9.8
Reading symbols from /usr/lib/libssl.so.0.9.8...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libssl.so.0.9.8
Reading symbols from /usr/lib/libdb-4.8.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libdb-4.8.so
Reading symbols from /usr/lib/libqdbm.so.14...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libqdbm.so.14
Reading symbols from /lib/libbz2.so.1.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libbz2.so.1.0
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libnsl.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /usr/lib/libgssapi_krb5.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgssapi_krb5.so.2
Reading symbols from /usr/lib/libkrb5.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libkrb5.so.3
Reading symbols from /usr/lib/libk5crypto.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libk5crypto.so.3
Reading symbols from /lib/libcom_err.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libcom_err.so.2
Reading symbols from /usr/lib/libxml2.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libxml2.so.2
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/libresolv.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /usr/lib/libkrb5support.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libkrb5support.so.0
Reading symbols from /lib/libkeyutils.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libkeyutils.so.1
Reading symbols from /usr/lib/php5/20090626/apc.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/apc.so
Reading symbols from /usr/lib/php5/20090626/curl.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/curl.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/curl.so
Reading symbols from /usr/lib/libcurl.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libcurl.so.4
Reading symbols from /usr/lib/libidn.so.11...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libidn.so.11
Reading symbols from /usr/lib/libssh2.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libssh2.so.1
Reading symbols from /usr/lib/liblber-2.4.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/liblber-2.4.so.2
Reading symbols from /usr/lib/libldap_r-2.4.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libldap_r-2.4.so.2
Reading symbols from /usr/lib/libgcrypt.so.11...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgcrypt.so.11
Reading symbols from /usr/lib/libsasl2.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libsasl2.so.2
Reading symbols from /usr/lib/libgnutls.so.26...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgnutls.so.26
Reading symbols from /usr/lib/libgpg-error.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgpg-error.so.0
Reading symbols from /usr/lib/libtasn1.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libtasn1.so.3
Reading symbols from /usr/lib/php5/20090626/gd.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/gd.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/gd.so
Reading symbols from /usr/lib/libt1.so.5...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libt1.so.5
Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libX11.so.6
Reading symbols from /usr/lib/libXpm.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXpm.so.4
Reading symbols from /lib/libpng12.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libpng12.so.0
Reading symbols from /usr/lib/libjpeg.so.62...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libxcb.so.1
Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXau.so.6
Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /usr/lib/php5/20090626/imagick.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/imagick.so
Reading symbols from /usr/lib/libMagickWand.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libMagickWand.so.3
Reading symbols from /usr/lib/libMagickCore.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libMagickCore.so.3
Reading symbols from /usr/lib/liblcms.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/liblcms.so.1
Reading symbols from /usr/lib/libtiff.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libtiff.so.4
Reading symbols from /usr/lib/liblqr-1.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/liblqr-1.so.0
Reading symbols from /lib/libglib-2.0.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libglib-2.0.so.0
Reading symbols from /usr/lib/libfontconfig.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libfontconfig.so.1
Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXext.so.6
Reading symbols from /usr/lib/libSM.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libSM.so.6
Reading symbols from /usr/lib/libICE.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libICE.so.6
Reading symbols from /usr/lib/libXt.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXt.so.6
Reading symbols from /usr/lib/libgomp.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgomp.so.1
Reading symbols from /usr/lib/libltdl.so.7...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libltdl.so.7
Reading symbols from /lib/libpcre.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libpcre.so.3
Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libuuid.so.1
Reading symbols from /usr/lib/php5/20090626/mysql.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/mysql.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/mysql.so
Reading symbols from /usr/lib/php5/20090626/mysqli.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/mysqli.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/mysqli.so
Reading symbols from /usr/lib/php5/20090626/pdo.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/pdo.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/pdo.so
Reading symbols from /usr/lib/php5/20090626/pdo_mysql.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/pdo_mysql.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/pdo_mysql.so
Reading symbols from /usr/lib/php5/20090626/pdo_sqlite.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/pdo_sqlite.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/pdo_sqlite.so
Reading symbols from /usr/lib/libsqlite3.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libsqlite3.so.0
Reading symbols from /usr/lib/php5/20090626/sqlite.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/sqlite.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/sqlite.so
Reading symbols from /usr/lib/libsqlite.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libsqlite.so.0
Reading symbols from /usr/lib/php5/20090626/sqlite3.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/sqlite3.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/sqlite3.so
Reading symbols from /usr/lib/php5/20090626/suhosin.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/suhosin.so
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_compat.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib/libnss_nis.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_nis.so.2
Core was generated by `php-fpm: pool xxxxx '.
Program terminated with signal 11, Segmentation fault.
#0 _zval_ptr_dtor (zval_ptr=0xa1) at /usr/src/php5/source/php5-5.3.10/Zend/zend_execute_API.c:436
436 /usr/src/php5/source/php5-5.3.10/Zend/zend_execute_API.c: No such file or directory.
in /usr/src/php5/source/php5-5.3.10/Zend/zend_execute_API.c
(gdb) x/8i $pc
0x6b74c1 <_zval_ptr_dtor+1>: mov (%rdi),%rbx
0x6b74c4 <_zval_ptr_dtor+4>: mov 0x10(%rbx),%eax
0x6b74c7 <_zval_ptr_dtor+7>: sub $0x1,%eax
0x6b74ca <_zval_ptr_dtor+10>: test %eax,%eax
0x6b74cc <_zval_ptr_dtor+12>: mov %eax,0x10(%rbx)
0x6b74cf <_zval_ptr_dtor+15>: jne 0x6b7508 <_zval_ptr_dtor+72>
0x6b74d1 <_zval_ptr_dtor+17>: mov 0x750ea8(%rip),%rax # 0xe08380
<_GLOBAL_OFFSET_TABLE_+8512>
0x6b74d8 <_zval_ptr_dtor+24>: add $0x8,%rax
(gdb) x/8x $sp
0x3c20910fbf0: 0x01221730 0x00000000 0x006d0a78 0x00000000
0x3c20910fc00: 0x01bb0d90 0x00000000 0x0115ee48 0x00000000
(gdb) info reg
rax 0x6b74c0 7042240
rbx 0x1221730 19011376
rcx 0x3654f0c3590 3733652780432
rdx 0x6c34f0 7091440
rsi 0x3654f0c6cb0 3733652794544
rdi 0xa1 161
rbp 0x1bb0de0 0x1bb0de0
rsp 0x3c20910fbf0 0x3c20910fbf0
r8 0x223e440faf29a69f 2467484479999551135
r9 0x11676b8 18249400
r10 0x3654c5a4e90 3733607566992
r11 0x3654c64fb20 3733608266528
r12 0x6c70ac1e0aa0fa2d 7813934598515128877
r13 0x10ca4c0 17605824
r14 0x10ca4c0 17605824
r15 0xe41a60 14948960
rip 0x6b74c1 0x6b74c1 <_zval_ptr_dtor+1>
eflags 0x10206 [ PF IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
fctrl 0x27f 639
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x6c2150 7086416
foseg 0x3c2 962
fooff 0x910d590 152098192
fop 0x0 0
mxcsr 0x1fa0 [ PE IM DM ZM OM UM PM ]
Previous Comments:
------------------------------------------------------------------------
[2012-02-06 14:49:15] stefan at nopiracy dot de
Because you are running Suhosin you will most probably get no help here.
Anyway to increase your chances try the following:
restart PHP with the environment variable
SUHOSIN_MM_USE_CANARY_PROTECTION=0
If you do this then PHP will no longer use the memory allocator with carnaries,
but use the normal one which is nearly identical to the vanilla one.
Check if that gives you a similar backtrace.
The code is obviously crashing while shutting down the system.
There is a NULL pointer dereference.
And the code triggering this is:
zend_hash_graceful_reverse_destroy(&EG(symbol_table));
This means something is corrupt in the symbol_table.
Do you have NO PHP code running on the system? Or does it crash always? Or...?
------------------------------------------------------------------------
[2012-02-06 13:15:14] flatline at hardwired dot hu
Description:
------------
Kernel: 2.6.32.50 with Grsecurity+PAX
PHP Version 5.3.10-1~dotdeb.1
Grsecurity/PAX installed
Additional .ini files parsed /etc/php5/fpm/conf.d/apc.ini, /etc/php5/fpm/conf.d/curl.ini,
/etc/php5/fpm/conf.d/gd.ini, /etc/php5/fpm/conf.d/imagick.ini, /etc/php5/fpm/conf.d/mysql.ini,
/etc/php5/fpm/conf.d/mysqli.ini, /etc/php5/fpm/conf.d/pdo.ini, /etc/php5/fpm/conf.d/pdo_mysql.ini,
/etc/php5/fpm/conf.d/pdo_sqlite.ini, /etc/php5/fpm/conf.d/sqlite.ini,
/etc/php5/fpm/conf.d/sqlite3.ini, /etc/php5/fpm/conf.d/suhosin.ini
Test script:
---------------
-
Expected result:
----------------
-
Actual result:
--------------
gdb /usr/sbin/php5-fpm ./core-phpfpm
GNU gdb (GDB) 7.0.1-debian
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/sbin/php5-fpm...Reading symbols from
/usr/lib/debug/usr/sbin/php5-fpm...done.
(no debugging symbols found)...done.
Reading symbols from /lib/libcrypt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libonig.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libonig.so.2
Reading symbols from /usr/lib/libcrypto.so.0.9.8...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libcrypto.so.0.9.8
Reading symbols from /usr/lib/libssl.so.0.9.8...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libssl.so.0.9.8
Reading symbols from /usr/lib/libdb-4.8.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libdb-4.8.so
Reading symbols from /usr/lib/libqdbm.so.14...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libqdbm.so.14
Reading symbols from /lib/libbz2.so.1.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libbz2.so.1.0
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libnsl.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /usr/lib/libgssapi_krb5.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgssapi_krb5.so.2
Reading symbols from /usr/lib/libkrb5.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libkrb5.so.3
Reading symbols from /usr/lib/libk5crypto.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libk5crypto.so.3
Reading symbols from /lib/libcom_err.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libcom_err.so.2
Reading symbols from /usr/lib/libxml2.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libxml2.so.2
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/libresolv.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /usr/lib/libkrb5support.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libkrb5support.so.0
Reading symbols from /lib/libkeyutils.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libkeyutils.so.1
Reading symbols from /usr/lib/php5/20090626/apc.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/apc.so
Reading symbols from /usr/lib/php5/20090626/curl.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/curl.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/curl.so
Reading symbols from /usr/lib/libcurl.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libcurl.so.4
Reading symbols from /usr/lib/libidn.so.11...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libidn.so.11
Reading symbols from /usr/lib/libssh2.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libssh2.so.1
Reading symbols from /usr/lib/liblber-2.4.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/liblber-2.4.so.2
Reading symbols from /usr/lib/libldap_r-2.4.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libldap_r-2.4.so.2
Reading symbols from /usr/lib/libgcrypt.so.11...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgcrypt.so.11
Reading symbols from /usr/lib/libsasl2.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libsasl2.so.2
Reading symbols from /usr/lib/libgnutls.so.26...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgnutls.so.26
Reading symbols from /usr/lib/libgpg-error.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgpg-error.so.0
Reading symbols from /usr/lib/libtasn1.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libtasn1.so.3
Reading symbols from /usr/lib/php5/20090626/gd.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/gd.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/gd.so
Reading symbols from /usr/lib/libt1.so.5...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libt1.so.5
Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libX11.so.6
Reading symbols from /usr/lib/libXpm.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXpm.so.4
Reading symbols from /lib/libpng12.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libpng12.so.0
Reading symbols from /usr/lib/libjpeg.so.62...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libxcb.so.1
Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXau.so.6
Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /usr/lib/php5/20090626/imagick.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/imagick.so
Reading symbols from /usr/lib/libMagickWand.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libMagickWand.so.3
Reading symbols from /usr/lib/libMagickCore.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libMagickCore.so.3
Reading symbols from /usr/lib/liblcms.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/liblcms.so.1
Reading symbols from /usr/lib/libtiff.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libtiff.so.4
Reading symbols from /usr/lib/liblqr-1.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/liblqr-1.so.0
Reading symbols from /lib/libglib-2.0.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libglib-2.0.so.0
Reading symbols from /usr/lib/libfontconfig.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libfontconfig.so.1
Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXext.so.6
Reading symbols from /usr/lib/libSM.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libSM.so.6
Reading symbols from /usr/lib/libICE.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libICE.so.6
Reading symbols from /usr/lib/libXt.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXt.so.6
Reading symbols from /usr/lib/libgomp.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgomp.so.1
Reading symbols from /usr/lib/libltdl.so.7...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libltdl.so.7
Reading symbols from /lib/libpcre.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libpcre.so.3
Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libuuid.so.1
Reading symbols from /usr/lib/php5/20090626/mysql.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/mysql.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/mysql.so
Reading symbols from /usr/lib/php5/20090626/mysqli.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/mysqli.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/mysqli.so
Reading symbols from /usr/lib/php5/20090626/pdo.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/pdo.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/pdo.so
Reading symbols from /usr/lib/php5/20090626/pdo_mysql.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/pdo_mysql.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/pdo_mysql.so
Reading symbols from /usr/lib/php5/20090626/pdo_sqlite.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/pdo_sqlite.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/pdo_sqlite.so
Reading symbols from /usr/lib/libsqlite3.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libsqlite3.so.0
Reading symbols from /usr/lib/php5/20090626/sqlite.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/sqlite.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/sqlite.so
Reading symbols from /usr/lib/libsqlite.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libsqlite.so.0
Reading symbols from /usr/lib/php5/20090626/sqlite3.so...Reading symbols from
/usr/lib/debug/usr/lib/php5/20090626/sqlite3.so...done.
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/sqlite3.so
Reading symbols from /usr/lib/php5/20090626/suhosin.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/php5/20090626/suhosin.so
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_compat.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib/libnss_nis.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_nis.so.2
Reading symbols from /usr/lib/gconv/ISO8859-2.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/gconv/ISO8859-2.so
Core was generated by `php-fpm: pool xxxxx '.
Program terminated with signal 11, Segmentation fault.
#0 zend_mm_remove_from_free_list (heap=0xe40ab0, mm_block=0x1c85988) at
/usr/src/php5/source/php5-5.3.10/Zend/zend_alloc_canary.c:880
880 /usr/src/php5/source/php5-5.3.10/Zend/zend_alloc_canary.c: No such file or directory.
in /usr/src/php5/source/php5-5.3.10/Zend/zend_alloc_canary.c
(gdb) bt
#0 zend_mm_remove_from_free_list (heap=0xe40ab0, mm_block=0x1c85988) at
/usr/src/php5/source/php5-5.3.10/Zend/zend_alloc_canary.c:880
#1 0x00000000006e4738 in _zend_mm_free_canary_int (heap=0xe40ab0, p=0x1c85960) at
/usr/src/php5/source/php5-5.3.10/Zend/zend_alloc_canary.c:2133
#2 0x00000000006d0712 in zend_hash_apply_deleter (ht=0xe31168, p=0x1126638) at
/usr/src/php5/source/php5-5.3.10/Zend/zend_hash.c:814
#3 0x00000000006d0998 in zend_hash_graceful_reverse_destroy (ht=0xe31168) at
/usr/src/php5/source/php5-5.3.10/Zend/zend_hash.c:850
#4 0x00000000006b7b0e in shutdown_executor () at
/usr/src/php5/source/php5-5.3.10/Zend/zend_execute_API.c:256
#5 0x00000000006c4762 in zend_deactivate () at /usr/src/php5/source/php5-5.3.10/Zend/zend.c:963
#6 0x000000000066f3e5 in php_request_shutdown (dummy=0xe40ab0) at
/usr/src/php5/source/php5-5.3.10/main/main.c:1664
#7 0x0000000000758ca0 in main (argc=18462176, argv=0x119c2f0) at
/usr/src/php5/source/php5-5.3.10/sapi/fpm/fpm/fpm_main.c:1886
(gdb) x/8i $pc
0x6e4178 <zend_mm_remove_from_free_list+104>: cmp (%rax),%rdx
0x6e417b <zend_mm_remove_from_free_list+107>: jne 0x6e4333
<zend_mm_remove_from_free_list+547>
0x6e4181 <zend_mm_remove_from_free_list+113>: mov %ecx,%ecx
0x6e4183 <zend_mm_remove_from_free_list+115>: movq $0x0,(%rax)
0x6e418a <zend_mm_remove_from_free_list+122>: lea 0x698(%rdi,%rcx,8),%rax
0x6e4192 <zend_mm_remove_from_free_list+130>: cmp %rax,0x38(%rdx)
0x6e4196 <zend_mm_remove_from_free_list+134>: je 0x6e41a0
<zend_mm_remove_from_free_list+144>
0x6e4198 <zend_mm_remove_from_free_list+136>: add $0x8,%rsp
(gdb) x/8x $sp
0x3be1991dad0: 0x01c85960 0x00000000 0x006e4738 0x00000000
0x3be1991dae0: 0x00e31168 0x00000000 0x01126638 0x00000000
(gdb) info reg
rax 0x0 0
rbx 0xe40ab0 14944944
rcx 0x9 9
rdx 0x1c85988 29907336
rsi 0x1c85988 29907336
rdi 0xe40ab0 14944944
rbp 0x1c85960 0x1c85960
rsp 0x3be1991dad0 0x3be1991dad0
r8 0x1c85988 29907336
r9 0x10cf050 17625168
r10 0x33eae48be90 3567746858640
r11 0x33eae1ac5ae 3567743845806
r12 0x1c85938 29907256
r13 0x1c85988 29907336
r14 0x50 80
r15 0x104a140 17080640
rip 0x6e4178 0x6e4178 <zend_mm_remove_from_free_list+104>
eflags 0x10206 [ PF IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
fctrl 0x27f 639
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x6c2150 7086416
foseg 0x3be 958
fooff 0x1991b460 428979296
fop 0x0 0
mxcsr 0x1fa0 [ PE IM DM ZM OM UM PM ]
------------------------------------------------------------------------
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Edit this bug report at https://bugs.php.net/bug.php?id=60990&edit=1