Bug #73599 [NEW]: Segmentation fault in _emalloc

From: xeonchik at gmail dot com Operating system: Ubuntu 14.04 Kern:3.13.0-24 64-b PHP version: 7.0.13 Package: *General Issues Bug Type: Bug Bug description:Segmentation fault in _emalloc Description: ------------ Hi, have a problem with php-fpm 7.0.13 I was tested with minimum of extensions, but got the same error. Tried to build php from binaries, and install from packages. Environment info: ---- PHP 7.0.13 (cli) (built: Nov 24 2016 09:30:51) ( NTS ) Copyright (c) 1997-2016 The PHP Group Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies ---- Configure Command => './configure' '--enable-fpm' '--enable-mysqlnd' '--enable-soap' '--with-mysqli=mysqlnd' '--with-pdo-mysql=mysqlnd' ERROR: ====== Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000000000720371 in _emalloc (size=40) at /root/php-7.0.13/Zend/zend_alloc.c:2439 Actual result: -------------- #0 0x0000000000720371 in _emalloc (size=40) at /root/php-7.0.13/Zend/zend_alloc.c:2439 #1 0x000000000075dda5 in zend_string_alloc (persistent=0, len=<optimized out>) at /root/php-7.0.13/Zend/zend_string.h:121 #2 zend_string_init (persistent=0, len=<optimized out>, str=0xbfa701 "__tostring") at /root/php-7.0.13/Zend/zend_string.h:157 #3 zend_call_method (object=object@entry=0x7f5189e721b0, obj_ce=obj_ce@entry=0x7f518a93a290, fn_proxy=fn_proxy@entry=0x7f518a93a3c0, function_name=function_name@entry=0xbfa701 "__tostring", function_name_len=function_name_len@entry=10, retval_ptr=retval_ptr@entry=0x7fff99ef5140, param_count=param_count@entry=0, arg1=arg1@entry=0x0, arg2=arg2@entry=0x0) at /root/php-7.0.13/Zend/zend_interfaces.c:53 #4 0x0000000000776a8c in zend_std_cast_object_tostring (readobj=0x7f5189e721b0, writeobj=0x7fff99ef51a0, type=<optimized out>) at /root/php-7.0.13/Zend/zend_object_handlers.c:1558 #5 0x000000000073a4cc in _zval_get_string_func (op=op@entry=0x7f5189e721b0) at /root/php-7.0.13/Zend/zend_operators.c:841 #6 0x00000000007999f8 in _zval_get_string (op=0x7f5189e721b0) at /root/php-7.0.13/Zend/zend_operators.h:266 #7 ZEND_CAST_SPEC_VAR_HANDLER () at /root/php-7.0.13/Zend/zend_vm_execute.h:15609 #8 0x000000000077e21b in execute_ex (ex=<optimized out>) at /root/php-7.0.13/Zend/zend_vm_execute.h:414 #9 0x0000000000733ee2 in zend_call_function (fci=fci@entry=0x7fff99ef53d0, fci_cache=0x7f518a915300, fci_cache@entry=0x7fff99ef53a0) at /root/php-7.0.13/Zend/zend_execute_API.c:858 #10 0x000000000075deb4 in zend_call_method (object=object@entry=0x7f5189e72080, obj_ce=<optimized out>, obj_ce@entry=0x7f518a93a290, fn_proxy=fn_proxy@entry=0x7f518a93a3c0, function_name=function_name@entry=0xbfa701 "__tostring", function_name_len=function_name_len@entry=10, retval_ptr=retval_ptr@entry=0x7fff99ef5480, param_count=param_count@entry=0, arg1=arg1@entry=0x0, arg2=arg2@entry=0x0) at /root/php-7.0.13/Zend/zend_interfaces.c:104 #11 0x0000000000776a8c in zend_std_cast_object_tostring (readobj=0x7f5189e72080, writeobj=0x7fff99ef54e0, type=<optimized out>) at /root/php-7.0.13/Zend/zend_object_handlers.c:1558 #12 0x000000000073a4cc in _zval_get_string_func (op=op@entry=0x7f5189e72080) at /root/php-7.0.13/Zend/zend_operators.c:841 #13 0x00000000007999f8 in _zval_get_string (op=0x7f5189e72080) at /root/php-7.0.13/Zend/zend_operators.h:266 #14 ZEND_CAST_SPEC_VAR_HANDLER () at /root/php-7.0.13/Zend/zend_vm_execute.h:15609 #15 0x000000000077e21b in execute_ex (ex=<optimized out>) at /root/php-7.0.13/Zend/zend_vm_execute.h:414 #16 0x0000000000733ee2 in zend_call_function (fci=fci@entry=0x7fff99ef5710, fci_cache=0x7f518a915300, fci_cache@entry=0x7fff99ef56e0) at /root/php-7.0.13/Zend/zend_execute_API.c:858 #17 0x000000000075deb4 in zend_call_method (object=object@entry=0x7f5189e71f50, obj_ce=<optimized out>, obj_ce@entry=0x7f518a93a290, fn_proxy=fn_proxy@entry=0x7f518a93a3c0, function_name=function_name@entry=0xbfa701 "__tostring", function_name_len=function_name_len@entry=10, retval_ptr=retval_ptr@entry=0x7fff99ef57c0, param_count=param_count@entry=0, arg1=arg1@entry=0x0, arg2=arg2@entry=0x0) at /root/php-7.0.13/Zend/zend_interfaces.c:104 #18 0x0000000000776a8c in zend_std_cast_object_tostring (readobj=0x7f5189e71f50, writeobj=0x7fff99ef5820, type=<optimized out>) at /root/php-7.0.13/Zend/zend_object_handlers.c:1558 #19 0x000000000073a4cc in _zval_get_string_func (op=op@entry=0x7f5189e71f50) at /root/php-7.0.13/Zend/zend_operators.c:841 #20 0x00000000007999f8 in _zval_get_string (op=0x7f5189e71f50) at /root/php-7.0.13/Zend/zend_operators.h:266 #21 ZEND_CAST_SPEC_VAR_HANDLER () at /root/php-7.0.13/Zend/zend_vm_execute.h:15609 #22 0x000000000077e21b in execute_ex (ex=<optimized out>) at /root/php-7.0.13/Zend/zend_vm_execute.h:414 #23 0x0000000000733ee2 in zend_call_function (fci=fci@entry=0x7fff99ef5a50, fci_cache=0x7f518a915300, fci_cache@entry=0x7fff99ef5a20) at /root/php-7.0.13/Zend/zend_execute_API.c:858 #24 0x000000000075deb4 in zend_call_method (object=object@entry=0x7f5189e71e20, obj_ce=<optimized out>, obj_ce@entry=0x7f518a93a290, fn_proxy=fn_proxy@entry=0x7f518a93a3c0, function_name=function_name@entry=0xbfa701 "__tostring", function_name_len=function_name_len@entry=10, retval_ptr=retval_ptr@entry=0x7fff99ef5b00, param_count=param_count@entry=0, arg1=arg1@entry=0x0, arg2=arg2@entry=0x0) at /root/php-7.0.13/Zend/zend_interfaces.c:104 #25 0x0000000000776a8c in zend_std_cast_object_tostring (readobj=0x7f5189e71e20, writeobj=0x7fff99ef5b60, type=<optimized out>) at /root/php-7.0.13/Zend/zend_object_handlers.c:1558 #26 0x000000000073a4cc in _zval_get_string_func (op=op@entry=0x7f5189e71e20) at /root/php-7.0.13/Zend/zend_operators.c:841 #27 0x00000000007999f8 in _zval_get_string (op=0x7f5189e71e20) at /root/php-7.0.13/Zend/zend_operators.h:266 #28 ZEND_CAST_SPEC_VAR_HANDLER () at /root/php-7.0.13/Zend/zend_vm_execute.h:15609 #29 0x000000000077e21b in execute_ex (ex=<optimized out>) at /root/php-7.0.13/Zend/zend_vm_execute.h:414 #30 0x0000000000733ee2 in zend_call_function (fci=fci@entry=0x7fff99ef5d90, fci_cache=0x7f518a915300, fci_cache@entry=0x7fff99ef5d60) at /root/php-7.0.13/Zend/zend_execute_API.c:858 #31 0x000000000075deb4 in zend_call_method (object=object@entry=0x7f5189e71cf0, obj_ce=<optimized out>, obj_ce@entry=0x7f518a93a290, fn_proxy=fn_proxy@entry=0x7f518a93a3c0, function_name=function_name@entry=0xbfa701 "__tostring", function_name_len=function_name_len@entry=10, retval_ptr=retval_ptr@entry=0x7fff99ef5e40, param_count=param_count@entry=0, arg1=arg1@entry=0x0, arg2=arg2@entry=0x0) at /root/php-7.0.13/Zend/zend_interfaces.c:104 #32 0x0000000000776a8c in zend_std_cast_object_tostring (readobj=0x7f5189e71cf0, writeobj=0x7fff99ef5ea0, type=<optimized out>) at /root/php-7.0.13/Zend/zend_object_handlers.c:1558 #33 0x000000000073a4cc in _zval_get_string_func (op=op@entry=0x7f5189e71cf0) at /root/php-7.0.13/Zend/zend_operators.c:841 #34 0x00000000007999f8 in _zval_get_string (op=0x7f5189e71cf0) at /root/php-7.0.13/Zend/zend_operators.h:266 #35 ZEND_CAST_SPEC_VAR_HANDLER () at /root/php-7.0.13/Zend/zend_vm_execute.h:15609 #36 0x000000000077e21b in execute_ex (ex=<optimized out>) at /root/php-7.0.13/Zend/zend_vm_execute.h:414 #37 0x0000000000733ee2 in zend_call_function (fci=fci@entry=0x7fff99ef60d0, fci_cache=0x7f518a915300, fci_cache@entry=0x7fff99ef60a0) at /root/php-7.0.13/Zend/zend_execute_API.c:858 #38 0x000000000075deb4 in zend_call_method (object=object@entry=0x7f5189e71bc0, obj_ce=<optimized out>, obj_ce@entry=0x7f518a93a290, fn_proxy=fn_proxy@entry=0x7f518a93a3c0, function_name=function_name@entry=0xbfa701 "__tostring", function_name_len=function_name_len@entry=10, retval_ptr=retval_ptr@entry=0x7fff99ef6180, param_count=param_count@entry=0, arg1=arg1@entry=0x0, arg2=arg2@entry=0x0) at /root/php-7.0.13/Zend/zend_interfaces.c:104 #39 0x0000000000776a8c in zend_std_cast_object_tostring (readobj=0x7f5189e71bc0, writeobj=0x7fff99ef61e0, type=<optimized out>) at /root/php-7.0.13/Zend/zend_object_handlers.c:1558 #40 0x000000000073a4cc in _zval_get_string_func (op=op@entry=0x7f5189e71bc0) at /root/php-7.0.13/Zend/zend_operators.c:841 -- Edit bug report at https://bugs.php.net/bug.php?id=73599&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73599&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73599&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73599&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73599&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73599&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73599&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73599&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73599&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73599&r=support Expected behavior: https://bugs.php.net/fix.php?id=73599&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73599&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73599&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73599&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73599&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73599&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73599&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73599&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73599&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73599&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73599&r=mysqlcfg