我们使用PHP 7.0.5-1~docdeb 8.1(apache2 2.4.10-10 deb8u4,libapache2-mod-php7.0 7.0.5-1~docdeb 8.1,带有mpm_prefork模块)获得随机分段错误(11) .

[核心:通知] [pid 17587] AH00052:子pid 18181退出信号分段故障(11)
[核心:通知] [pid 17587] AH00052:子pid 21123退出信号分段故障(11)
[核心:通知] [pid 17587] AH00052:子pid 21213退出信号分段故障(11)

[New LWP 27562]

warning: .dynamic section for "/usr/lib/php/20151012/curl.so" is not at the expected address (wrong library or version mismatch?)
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/sbin/apache2 -k start'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f35b8bfb0af in zend_declare_property_ex (ce=0x7f35b5811a40, name=0x7f35b8d3b8d1, property=0x7fffbdd793e8, access_type=0, doc_comment=0x7fffbdd79273)
    at /usr/src/builddir/Zend/zend_API.c:3643

warning: Source file is more recent than executable.
3643                            ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(zval) * ce->default_properties_count, ce->type == ZEND_INTERNAL_CLASS);
(gdb) bt
#0  0x00007f35b8bfb0af in zend_declare_property_ex (ce=0x7f35b5811a40, name=0x7f35b8d3b8d1, property=0x7fffbdd793e8, access_type=0, doc_comment=0x7fffbdd79273)
    at /usr/src/builddir/Zend/zend_API.c:3643
#1  0x0000000000000000 in ?? ()

不知道是什么导致SIGSEGV?谢谢!