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| author | Jonas Devlieghere <jonas@devlieghere.com> | 2017-09-14 17:46:23 +0000 |
|---|---|---|
| committer | Jonas Devlieghere <jonas@devlieghere.com> | 2017-09-14 17:46:23 +0000 |
| commit | d585a20394704bc7812489fc7a6af8136589c465 (patch) | |
| tree | 2a26bf5d793faf46e5a53a8427dd3d104b55d9cc /llvm/lib/DebugInfo/DWARF | |
| parent | defe37177166ffaf14553f402ad4a0ea5971aa53 (diff) | |
| download | bcm5719-llvm-d585a20394704bc7812489fc7a6af8136589c465.tar.gz bcm5719-llvm-d585a20394704bc7812489fc7a6af8136589c465.zip | |
[test] Fix TestDWARFDieRangeInfoIntersects
Fixes heap buffer overflow triggered in DWARF verifier, detected by ASAN.
llvm-svn: 313280
Diffstat (limited to 'llvm/lib/DebugInfo/DWARF')
| -rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp index 04530c44d87..24a0e67b003 100644 --- a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp +++ b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp @@ -89,6 +89,8 @@ bool DWARFVerifier::DieRangeInfo::intersects(const DieRangeInfo &RHS) const { auto End = Ranges.end(); auto Iter = findRange(RHS.Ranges.front()); for (const auto &R : RHS.Ranges) { + if(Iter == End) + return false; if (R.HighPC <= Iter->LowPC) continue; while (Iter != End) { |
