[compiler-rt] r207768 - [asan] disable GetKernelStartAddress as it misbehaves in schroot

[Kostya Serebryany]

Author: kcc
Date: Thu May  1 11:20:23 2014
New Revision: 207768

URL: http://llvm.org/viewvc/llvm-project?rev=207768&view=rev
Log:
[asan] disable GetKernelStartAddress as it misbehaves in schroot

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc
    compiler-rt/trunk/test/asan/TestCases/Linux/kernel-area.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc?rev=207768&r1=207767&r2=207768&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc Thu May  1 11:20:23 2014
@@ -36,7 +36,9 @@ uptr GetMmapGranularity() {
 #if SANITIZER_WORDSIZE == 32
 // Take care of unusable kernel area in top gigabyte
 static uptr GetKernelStartAddress() {
-#if SANITIZER_LINUX
+#if 0  // SANITIZER_LINUX
+  // FIXME: this code is too naive. We have a situation where the machine is a
+  // true x8_64, but under schroot uname returns i686.
   // 64-bit Linux provides 32-bit apps with full address space
   struct utsname uname_info;
   return 0 == uname(&uname_info) && !internal_strstr(uname_info.machine, "64")

Modified: compiler-rt/trunk/test/asan/TestCases/Linux/kernel-area.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/asan/TestCases/Linux/kernel-area.cc?rev=207768&r1=207767&r2=207768&view=diff
==============================================================================
--- compiler-rt/trunk/test/asan/TestCases/Linux/kernel-area.cc (original)
+++ compiler-rt/trunk/test/asan/TestCases/Linux/kernel-area.cc Thu May  1 11:20:23 2014
@@ -12,6 +12,7 @@
 // CHECK-kernel-64-bits: || `[0x24000000, 0x27ffffff]` || ShadowGap  ||
 //
 // REQUIRES: asan-32-bits
+// XFAIL: *
 
 int main() {
   return 0;