[PATCH] [lld] Fix use-after-free bug identified by the Address Sanitizer
Greg Fitzgerald
garious at gmail.com
Wed Feb 18 13:56:46 PST 2015
REPOSITORY
rL LLVM
http://reviews.llvm.org/D7732
Files:
lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp
Index: lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp
===================================================================
--- lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp
+++ lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp
@@ -985,12 +985,10 @@
if (sxdata.empty())
return std::error_code();
- std::vector<uint8_t> atomContent =
- *new (_alloc) std::vector<uint8_t>((size_t)sxdata.size());
auto *atom = new (_alloc) COFFDefinedAtom(
*this, "", ".sxdata", Atom::scopeTranslationUnit, DefinedAtom::typeData,
false /*isComdat*/, DefinedAtom::permR__, DefinedAtom::mergeNo,
- atomContent, _ordinal++);
+ sxdata, _ordinal++);
const ulittle32_t *symbolIndex =
reinterpret_cast<const ulittle32_t *>(sxdata.data());
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