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authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>2013-11-11 09:27:20 +0000
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>2013-11-11 09:27:20 +0000
commit62355e98e83906e99a792441a72362005c740d4d (patch)
tree11bbb56dc6607c4852eb5597cf9ff0484c6b7f25
parentbb6bc9a0ae534ada3c0c2c226462c351c078d761 (diff)
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[msan] Sanity check for non-PIE.HEADmaster
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@194370 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/msan/msan_linux.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/msan/msan_linux.cc b/lib/msan/msan_linux.cc
index ff5fc735..46f501e4 100644
--- a/lib/msan/msan_linux.cc
+++ b/lib/msan/msan_linux.cc
@@ -45,6 +45,12 @@ static const uptr kOriginsBeg = kBad2Beg;
static const uptr kOriginsEnd = kBad2End;
bool InitShadow(bool prot1, bool prot2, bool map_shadow, bool init_origins) {
+ if ((uptr) & InitShadow < kMemBeg) {
+ Printf("FATAL: Code below application range: %p < %p. Non-PIE build?\n",
+ &InitShadow, (void *)kMemBeg);
+ return false;
+ }
+
if (common_flags()->verbosity) {
Printf("__msan_init %p\n", &__msan_init);
Printf("Memory : %p %p\n", kMemBeg, kMemEnd);