Package: php5
Version: 5.6.29+dfsg-0+deb8u1
Hello,
I'm experience segfault when accessing to a mysql database using
php_pdo_mysql, to reproduce i just hit refresh multiple times on the web
page.
Below you can find the respective backtrace log obtained from the
generated core:
Core was generated by `php-fpm: pool
internal '.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 _pdo_mysql_error (dbh=0x28e2658, stmt=0x0, file=0x7f1b77ddef80
"/build/php5-5.6.29+dfsg/ext/pdo_mysql/mysql_driver.c", line=586) at
/build/php5-5.6.29+dfsg/ext/pdo_mysql/mysql_driver.c:67
67 /build/php5-5.6.29+dfsg/ext/pdo_mysql/mysql_driver.c: No such file
or directory.
(gdb) bt
#0 _pdo_mysql_error (dbh=0x28e2658, stmt=0x0, file=0x7f1b77ddef80
"/build/php5-5.6.29+dfsg/ext/pdo_mysql/mysql_driver.c", line=586) at
/build/php5-5.6.29+dfsg/ext/pdo_mysql/mysql_driver.c:67
#1 0x00007f1b77ddd159 in pdo_mysql_handle_factory (dbh=0x28e2658,
driver_options=0x0) at
/build/php5-5.6.29+dfsg/ext/pdo_mysql/mysql_driver.c:772
#2 0x00007f1b77feb22a in zim_PDO_dbh_constructor (ht=42870360,
return_value=0x0, return_value_ptr=0x7f1b77ddef80, this_ptr=0x2568078,
return_value_used=0) at /build/php5-5.6.29+dfsg/ext/pdo/pdo_dbh.c:389
#3 0x00000000006e7aea in dtrace_execute_internal
(execute_data_ptr=<optimized out>, fci=<optimized out>,
return_value_used=<optimized out>) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:97
#4 0x00000000007a84d0 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83782218) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:560
#5 0x0000000000736820 in execute_ex (execute_data=0x7f1b83782218) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#6 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83782218) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#7 0x00000000007a8a13 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83782000) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:592
#8 0x0000000000736820 in execute_ex (execute_data=0x7f1b83782000) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#9 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83782000) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#10 0x00000000007a8a13 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83781e20) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:592
#11 0x0000000000736820 in execute_ex (execute_data=0x7f1b83781e20) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#12 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83781e20) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#13 0x00000000006e9826 in zend_call_function (fci=0x7ffc029e6f20,
fci_cache=0x0, fci_cache@entry=0x7ffc029e6ef0) at
/build/php5-5.6.29+dfsg/Zend/zend_execute_API.c:831
#14 0x000000000060f4f3 in zif_call_user_func_array (ht=<optimized out>,
return_value=0x25661d8, return_value_ptr=<optimized out>,
this_ptr=<optimized out>, return_value_used=<optimized out>)
at /build/php5-5.6.29+dfsg/ext/standard/basic_functions.c:4790
#15 0x00000000006e7aea in dtrace_execute_internal
(execute_data_ptr=<optimized out>, fci=<optimized out>,
return_value_used=<optimized out>) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:97
#16 0x00000000007a84d0 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83781c40) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:560
#17 0x0000000000736820 in execute_ex (execute_data=0x7f1b83781c40) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#18 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83781c40) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#19 0x00000000006e9826 in zend_call_function (fci=0x7ffc029e72d0,
fci_cache=0x0, fci_cache@entry=0x7ffc029e72a0) at
/build/php5-5.6.29+dfsg/Zend/zend_execute_API.c:831
#20 0x000000000060f4f3 in zif_call_user_func_array (ht=<optimized out>,
return_value=0x2565e20, return_value_ptr=<optimized out>,
this_ptr=<optimized out>, return_value_used=<optimized out>)
at /build/php5-5.6.29+dfsg/ext/standard/basic_functions.c:4790
#21 0x00000000006e7aea in dtrace_execute_internal
(execute_data_ptr=<optimized out>, fci=<optimized out>,
return_value_used=<optimized out>) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:97
#22 0x00000000007a84d0 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83781af8) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:560
#23 0x0000000000736820 in execute_ex (execute_data=0x7f1b83781af8) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#24 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83781af8) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#25 0x00000000007a8a13 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83781908) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:592
#26 0x0000000000736820 in execute_ex (execute_data=0x7f1b83781908) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#27 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83781908) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#28 0x00000000007a8a13 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83781788) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:592
#29 0x0000000000736820 in execute_ex (execute_data=0x7f1b83781788) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#30 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83781788) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#31 0x00000000007a8a13 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7f1b83781610) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:592
#32 0x0000000000736820 in execute_ex (execute_data=0x7f1b83781610) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#33 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83781610) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#34 0x00000000007a69c8 in ZEND_INCLUDE_OR_EVAL_SPEC_CV_HANDLER
(execute_data=0x7f1b83781468) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:31631
#35 0x0000000000736820 in execute_ex (execute_data=0x7f1b83781468) at
/build/php5-5.6.29+dfsg/Zend/zend_vm_execute.h:363
#36 0x00000000006e7988 in dtrace_execute_ex
(execute_data=0x7f1b83781468) at
/build/php5-5.6.29+dfsg/Zend/zend_dtrace.c:73
#37 0x00000000006fa570 in zend_execute_scripts (type=42870360,
type@entry=8, retval=retval@entry=0x0, file_count=2011033472,
file_count@entry=3) at /build/php5-5.6.29+dfsg/Zend/zend.c:1341
#38 0x0000000000695790 in php_execute_script
(primary_file=0x7ffc029ea050) at /build/php5-5.6.29+dfsg/main/main.c:2613
#39 0x0000000000464e1f in main (argc=-2089286752, argv=0x7f1b83780c58)
at /build/php5-5.6.29+dfsg/sapi/fpm/fpm/fpm_main.c:2072
--
Saludos / Regards / Cumprimentos,
António silva
