[Lldb-commits] [lldb] r244984 - Don't crash when we have a .a file that contains an object with a 16 character name. Any calls to std::string::erase must be bounds checked.

[Greg Clayton via lldb-commits]

Author: gclayton
Date: Thu Aug 13 18:16:15 2015
New Revision: 244984

URL: http://llvm.org/viewvc/llvm-project?rev=244984&view=rev
Log:
Don't crash when we have a .a file that contains an object with a 16 character name. Any calls to std::string::erase must be bounds checked.

<rdar://problem/22260988>

Modified:
    lldb/trunk/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp

Modified: lldb/trunk/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp?rev=244984&r1=244983&r2=244984&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp (original)
+++ lldb/trunk/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp Thu Aug 13 18:16:15 2015
@@ -105,7 +105,9 @@ ObjectContainerBSDArchive::Object::Extra
     {
         // Strip off any spaces (if the object file name contains spaces it
         // will use the extended format above).
-        str.erase (str.find(' '));
+        const size_t space_pos = str.find(' ');
+        if (space_pos != std::string::npos)
+            str.erase (space_pos);
         ar_name.SetCString(str.c_str());
     }