[Lldb-commits] [lldb] r189191 - Fix DWARF for 0-length CIE (data after the length should not be read if length is 0).

[Virgile Bello]

Author: xen2
Date: Sun Aug 25 08:24:48 2013
New Revision: 189191

URL: http://llvm.org/viewvc/llvm-project?rev=189191&view=rev
Log:
Fix DWARF for 0-length CIE (data after the length should not be read if length is 0).

Modified:
    lldb/trunk/source/Symbol/DWARFCallFrameInfo.cpp

Modified: lldb/trunk/source/Symbol/DWARFCallFrameInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Symbol/DWARFCallFrameInfo.cpp?rev=189191&r1=189190&r2=189191&view=diff
==============================================================================
--- lldb/trunk/source/Symbol/DWARFCallFrameInfo.cpp (original)
+++ lldb/trunk/source/Symbol/DWARFCallFrameInfo.cpp Sun Aug 25 08:24:48 2013
@@ -341,7 +341,7 @@ DWARFCallFrameInfo::GetFDEIndex ()
         dw_offset_t next_entry = current_entry + len + 4;
         dw_offset_t cie_id = m_cfi_data.GetU32 (&offset);
 
-        if (cie_id == 0 || cie_id == UINT32_MAX)
+        if (cie_id == 0 || cie_id == UINT32_MAX || len == 0)
         {
             m_cie_map[current_entry] = ParseCIE (current_entry);
             offset = next_entry;