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author | Erik Pilkington <erik.pilkington@gmail.com> | 2017-08-01 02:38:41 +0000 |
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committer | Erik Pilkington <erik.pilkington@gmail.com> | 2017-08-01 02:38:41 +0000 |
commit | 906d585686af9c4d32fae3a254c3529cba01f622 (patch) | |
tree | 9356c1d7cebe2a24cec45df830d78e78612fe708 /libcxxabi | |
parent | deec87836a02bcf9915a4e58e7c2e411e01a0965 (diff) | |
download | bcm5719-llvm-906d585686af9c4d32fae3a254c3529cba01f622.tar.gz bcm5719-llvm-906d585686af9c4d32fae3a254c3529cba01f622.zip |
[demangler] Fix another bug found by oss-fuzz in r309340
llvm-svn: 309650
Diffstat (limited to 'libcxxabi')
-rw-r--r-- | libcxxabi/src/cxa_demangle.cpp | 2 | ||||
-rw-r--r-- | libcxxabi/test/test_demangle.pass.cpp | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/libcxxabi/src/cxa_demangle.cpp b/libcxxabi/src/cxa_demangle.cpp index e13358b7ef9..88990a2dffb 100644 --- a/libcxxabi/src/cxa_demangle.cpp +++ b/libcxxabi/src/cxa_demangle.cpp @@ -5867,6 +5867,8 @@ parse_encoding(const char* first, const char* last, Db& db) if (t != last && *t == 'v') { ++t; + if (db.names.empty()) + return first; Node* name = db.names.back(); db.names.pop_back(); result = db.make<TopLevelFunctionDecl>( diff --git a/libcxxabi/test/test_demangle.pass.cpp b/libcxxabi/test/test_demangle.pass.cpp index 38de5ad6c3e..3b712f00a7c 100644 --- a/libcxxabi/test/test_demangle.pass.cpp +++ b/libcxxabi/test/test_demangle.pass.cpp @@ -29676,6 +29676,7 @@ const char* invalid_cases[] = "AT__ZSiIJEEAnwscT_T__", "FSiIJEENT_IoE ", "ZTVSiIZTVSiIZTVSiIZTVSiINIJEET_T_T_T_T_ ", + "_ZSiIJEvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvttvvvvvvET_v", }; const unsigned NI = sizeof(invalid_cases) / sizeof(invalid_cases[0]); |