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Description
#include <string>
std::stof("a");
在brpc接口内部使用该方法,导致服务core。通过分析core有办法能直接定位到哪一行出现的问题吗?
使用gdb打开core文件,bt后得到下面的信息:
(gdb) bt
#0 0x00007f98eb2b11f7 in raise () from /lib64/libc.so.6
#1 0x00007f98eb2b28e8 in abort () from /lib64/libc.so.6
#2 0x0000000000a7a6b5 in __gnu_cxx::__verbose_terminate_handler() ()
#3 0x0000000000a23406 in __cxxabiv1::__terminate(void (*)()) ()
#4 0x0000000000a7a159 in __cxa_call_terminate ()
#5 0x0000000000a232f4 in __gxx_personality_v0 ()
#6 0x0000000000a7eeb3 in _Unwind_RaiseException_Phase2 ()
#7 0x0000000000a7f6a7 in _Unwind_Resume ()
#8 0x00000000007bdd2a in operator() (this=<optimized out>, obj=<optimized out>) at ./src/brpc/destroyable.h:33
#9 ~unique_ptr (this=<synthetic pointer>, __in_chrg=<optimized out>) at /usr/include/c++/4.8.2/bits/unique_ptr.h:184
#10 ~DestroyingPtr (this=<synthetic pointer>, __in_chrg=<optimized out>) at ./src/brpc/destroyable.h:39
#11 brpc::policy::ProcessRpcRequest (msg_base=<optimized out>) at src/brpc/policy/baidu_rpc_protocol.cpp:508
#12 0x00000000008df7fa in brpc::ProcessInputMessage (void_arg=void_arg@entry=0x7f98a8021930) at src/brpc/input_messenger.cpp:132
#13 0x00000000008e07e4 in operator() (this=<optimized out>, last_msg=0x7f98a8021930) at src/brpc/input_messenger.cpp:138
#14 brpc::InputMessenger::OnNewMessages (m=0x7f987401ac80) at /usr/include/c++/4.8.2/bits/unique_ptr.h:184
#15 0x00000000008d04ed in brpc::Socket::ProcessEvent (arg=0x7f987401ac80) at src/brpc/socket.cpp:1049
#16 0x000000000071c1f4 in bthread::TaskGroup::task_runner (skip_remained=<optimized out>) at src/bthread/task_group.cpp:291
#17 0x0000000000834791 in bthread_make_fcontext ()
#18 0x0000000000000000 in ?? ()


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