运行echo demo 直接 coredump 了

[xikong]

操作系统： CentOS release 6.8 (Final)
内核版本：Linux personal-vpc-training-dev001-whdx.qiyi.virtual 2.6.32-642.el6.x86_64 #1 SMP Tue May 10 17:27:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
编译器： g++ (GCC) 4.8.2
编译选项：-DBRPC_WITH_GLOG=1 -DGFLAGS_NS=google -DBTHREAD_USE_FAST_PTHREAD_MUTEX -D__const__= -D_GNU_SOURCE -DUSE_SYMBOLIZE -DNO_TCMALLOC -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DBRPC_REVISIO N="" -D__STRICT_ANSI__ -gdwarf-2 -O0 -pipe -Wall -W -fPIC -fstrict-aliasing -Wno-invalid-offsetof -Wno-unused-parameter -fno-omit-frame-pointer -std=c++11 -msse4 -msse4.2 -DNDEBUG -I/data/open_source/brpc/src -I/data/open_source/brpc/build -I/data/open_source/brpc /build/src
堆栈：
#0 0x0000000000455e65 in std::__atomic_base::fetch_sub (this=0x300000000, __i=1, __m=std::memory_order_release) at /usr/local/gcc4.8.2/include/c++/4.8.2/bits/atomic_base.h:624
624 { return __atomic_fetch_sub(&_M_i, __i, __m); }
Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64 gflags-2.0-1.el6.x86_64 glibc-2.12-1.192.el6.x86_64 glog-0.3.2-1.el6.x86_64 glog-devel-0.3.2-1.el6.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-57.el6.x86_64 libcom_err-1.41.12-22.el6.x86_64 librdkafka1-0.9.3-1.el6.x86_64 libselinux-2.0.94-7.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64 openssl-1.0.1e-48.el6_8.4.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt
#0 0x0000000000455e65 in std::__atomic_base::fetch_sub (this=0x300000000, __i=1, __m=std::memory_order_release) at /usr/local/gcc4.8.2/include/c++/4.8.2/bits/atomic_base.h:624
#1 0x0000000000454bcc in butil::IOBuf::Block::dec_ref (this=0x300000000) at /data/open_source/brpc/src/butil/iobuf.cpp:253
#2 0x000000000044feb3 in butil::IOBuf::clear (this=0x7ffdb5f40c28) at /data/open_source/brpc/src/butil/iobuf.cpp:718
#3 0x0000000000456b38 in brpc::Controller::DeleteStuff (this=0x7ffdb5f40a80) at /data/open_source/brpc/src/brpc/controller.cpp:177
#4 0x0000000000456762 in brpc::Controller::~Controller (this=0x7ffdb5f40a80, __in_chrg=) at /data/open_source/brpc/src/brpc/controller.cpp:130
#5 0x0000000000444a16 in main (argc=1, argv=0x7ffdb5f40e78) at client.cpp:71

我是用 cmake 编译的稍微改了下编译选项（不改也会 core）

• 将 -g 改成了 -gdwarf-2
• 将 -O2 改成了 -O0

服务端和客户端都会 core, 都是 core 在那个位置
望各位大佬看下