commit 7a61b66a65505b63781e5c538c3ea1253e1a717d
author Saleem Abdulrasool <compnerd@compnerd.org> Fri Aug 21 03:21:31 2015 +0000
committer Saleem Abdulrasool <compnerd@compnerd.org> Fri Aug 21 03:21:31 2015 +0000
tree 739ccb90232b0ba7aa651d727f06738e679dd134
parent 40377de0186cf63e7024b535d56d6f740cb8fc83

unwind: fix invalid memory access

Fix out-of-bounds array access when setting arm float registers.

Patch by Leandro Graciá Gil!

git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@245665 91177308-0d34-0410-b5e6-96231b3b80d8

src/Registers.hpp

diff --git a/src/Registers.hpp b/src/Registers.hpp
index 4a441b7..d01ebf0 100644
--- a/src/Registers.hpp
+++ b/src/Registers.hpp
@@ -1689,7 +1689,7 @@
       _saved_vfp_d16_d31 = true;
       saveVFPv3(_vfp_d16_d31);
     }
-    _vfp_d16_d31[regNum - UNW_ARM_D0] = value;
+    _vfp_d16_d31[regNum - UNW_ARM_D16] = value;
   } else if (regNum >= UNW_ARM_WR0 && regNum <= UNW_ARM_WR15) {
     if (!_saved_iwmmx) {
       _saved_iwmmx = true;