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AddressSanitizer: add some checks to AsanChunkFifoList::PushList 

llvm-svn: 151521
This commit is contained in:
Alexey Samsonov 2012-02-27 09:06:10 +00:00
parent 7a5fdd8746
commit a1a3a2ffc3
1 changed files with 4 additions and 0 deletions
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4
compiler-rt/lib/asan/asan_allocator.cc
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@ -249,6 +249,7 @@ static AsanChunk *PtrToChunk(uintptr_t ptr) {
void AsanChunkFifoList::PushList(AsanChunkFifoList *q) { void AsanChunkFifoList::PushList(AsanChunkFifoList *q) {
CHECK(q->size() > 0);
if (last_) { if (last_) {
CHECK(first_); CHECK(first_);
CHECK(!last_->next); CHECK(!last_->next);
@ -258,7 +259,10 @@ void AsanChunkFifoList::PushList(AsanChunkFifoList *q) {
CHECK(!first_); CHECK(!first_);
last_ = q->last_; last_ = q->last_;
first_ = q->first_; first_ = q->first_;
CHECK(first_);
} }
CHECK(last_);
CHECK(!last_->next);
size_ += q->size(); size_ += q->size();
q->clear(); q->clear();
} }