Author: compnerd
Date: Thu Aug 20 22:21:31 2015
New Revision: 245665
URL: http://llvm.org/viewvc/llvm-project?rev=245665&view=rev
Log:
unwind: fix invalid memory access
Fix out-of-bounds array access when setting arm float registers.
Patch by Leandro Graciá Gil!
Modified:
libunwind/trunk/src/Registers.hpp
Modified: libunwind/trunk/src/Registers.hpp
URL:
http://llvm.org/viewvc/llvm-project/libunwind/trunk/src/Registers.hpp?rev=245665&r1=245664&r2=245665&view=diff
==============================================================================
--- libunwind/trunk/src/Registers.hpp (original)
+++ libunwind/trunk/src/Registers.hpp Thu Aug 20 22:21:31 2015
@@ -1689,7 +1689,7 @@ inline void Registers_arm::setFloatRegis
_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;
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