[llvm-commits] [compiler-rt] r151521 - /compiler-rt/trunk/lib/asan/asan_allocator.cc

[Alexey Samsonov]

Author: samsonov
Date: Mon Feb 27 03:06:10 2012
New Revision: 151521

URL: http://llvm.org/viewvc/llvm-project?rev=151521&view=rev
Log:
AddressSanitizer: add some checks to AsanChunkFifoList::PushList

Modified:
    compiler-rt/trunk/lib/asan/asan_allocator.cc

Modified: compiler-rt/trunk/lib/asan/asan_allocator.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_allocator.cc?rev=151521&r1=151520&r2=151521&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_allocator.cc (original)
+++ compiler-rt/trunk/lib/asan/asan_allocator.cc Mon Feb 27 03:06:10 2012
@@ -249,6 +249,7 @@
 
 
 void AsanChunkFifoList::PushList(AsanChunkFifoList *q) {
+  CHECK(q->size() > 0);
   if (last_) {
     CHECK(first_);
     CHECK(!last_->next);
@@ -258,7 +259,10 @@
     CHECK(!first_);
     last_ = q->last_;
     first_ = q->first_;
+    CHECK(first_);
   }
+  CHECK(last_);
+  CHECK(!last_->next);
   size_ += q->size();
   q->clear();
 }