commit 1ba9d9c6ca1ffeef7e833261ebca463a92adf82f
author Andrey Konovalov <andreyknvl@google.com> Fri Apr 13 18:05:21 2018 +0000
committer Andrey Konovalov <andreyknvl@google.com> Fri Apr 13 18:05:21 2018 +0000
tree 411cffebc58e2bb1b52c646829e63fd4e951c439
parent 24fff2429cb612dfe4293ccb93e664f02671ef8a

hwasan: add -fsanitize=kernel-hwaddress flag

This patch adds -fsanitize=kernel-hwaddress flag, that essentially enables
-hwasan-kernel=1 -hwasan-recover=1 -hwasan-match-all-tag=0xff.

Differential Revision: https://reviews.llvm.org/D45046

llvm-svn: 330044

clang/lib/Driver/ToolChains/Linux.cpp

diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index c9544a3..5473be2 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -900,8 +900,10 @@
     Res |= SanitizerKind::Function;
   if (IsX86_64 || IsMIPS64 || IsAArch64 || IsX86 || IsMIPS || IsArmArch)
     Res |= SanitizerKind::Scudo;
-  if (IsX86_64 || IsAArch64)
+  if (IsX86_64 || IsAArch64) {
     Res |= SanitizerKind::HWAddress;
+    Res |= SanitizerKind::KernelHWAddress;
+  }
   return Res;
 }