小编Sac*_*rah的帖子

我尝试在非常简单的项目中运行valgrind 3.13和3.14(在macOs 10.12.6上),但我得到了一个奇怪的错误,我以前从未在linux中获得过.

1. 非常简单的C程序main.c:

   int main() {
       return (0);
   }
   

   Run Code Online (Sandbox Code Playgroud)

2. 编译cc:

   $> cc main.c
   

   Run Code Online (Sandbox Code Playgroud)

3. 运行我的简单程序valgrind:

   $> valgrind ./a.out
   

   Run Code Online (Sandbox Code Playgroud)

4. valgrind的输出:

   ==12768== Memcheck, a memory error detector
   ==12768== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
   ==12768== Using Valgrind-3.14.0.SVN and LibVEX; rerun with -h for copyright info
   ==12768== Command: ./a.out
   ==12768==
   ==12768== Syscall param msg->desc.port.name points to uninitialised byte(s)
   ==12768==    at 0x10049434A: mach_msg_trap (in /usr/lib/system/libsystem_kernel.dylib)
   ==12768==    by 0x100493796: mach_msg (in /usr/lib/system/libsystem_kernel.dylib)
   ==12768==    by …

   Run Code Online (Sandbox Code Playgroud)