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| author | Nico Weber <nicolasweber@gmx.de> | 2019-04-03 23:23:32 +0000 |
|---|---|---|
| committer | Nico Weber <nicolasweber@gmx.de> | 2019-04-03 23:23:32 +0000 |
| commit | a9886f8278921a78ba6f9e15395b39e74586aba1 (patch) | |
| tree | 9fc351215c4b1e0eac000ef108194ee01efc5e1f /llvm/lib/Demangle/MicrosoftDemangle.cpp | |
| parent | 321de48a94096f83a4be5164bce462e6285413c7 (diff) | |
| download | bcm5719-llvm-a9886f8278921a78ba6f9e15395b39e74586aba1.tar.gz bcm5719-llvm-a9886f8278921a78ba6f9e15395b39e74586aba1.zip | |
llvm-undame: Fix an assert-on-invalid
Found by oss-fuzz, fixes issue 12432 on os-fuzz.
Differential Revision: https://reviews.llvm.org/D60206
llvm-svn: 357648
Diffstat (limited to 'llvm/lib/Demangle/MicrosoftDemangle.cpp')
| -rw-r--r-- | llvm/lib/Demangle/MicrosoftDemangle.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Demangle/MicrosoftDemangle.cpp b/llvm/lib/Demangle/MicrosoftDemangle.cpp index b4e5cef7ac5..653c76e052f 100644 --- a/llvm/lib/Demangle/MicrosoftDemangle.cpp +++ b/llvm/lib/Demangle/MicrosoftDemangle.cpp @@ -1389,9 +1389,12 @@ Demangler::demangleFullyQualifiedSymbolName(StringView &MangledName) { return nullptr; if (Identifier->kind() == NodeKind::StructorIdentifier) { + if (QN->Components->Count < 2) { + Error = true; + return nullptr; + } StructorIdentifierNode *SIN = static_cast<StructorIdentifierNode *>(Identifier); - assert(QN->Components->Count >= 2); Node *ClassNode = QN->Components->Nodes[QN->Components->Count - 2]; SIN->Class = static_cast<IdentifierNode *>(ClassNode); } |
