[llvm-bugs] Issue 9994 in oss-fuzz: llvm/llvm-demangle-fuzzer: Stack-overflow in llvm::itanium_demangle::Db<DefaultAllocator>::parseEncoding

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 9994 by ClusterFuzz-External:  
llvm/llvm-demangle-fuzzer: Stack-overflow in  
llvm::itanium_demangle::Db<DefaultAllocator>::parseEncoding
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9994#c2

ClusterFuzz has detected this issue as fixed in range  
201810170227:201811111623.

Detailed report: https://oss-fuzz.com/testcase?key=5681464745132032

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-demangle-fuzzer
Fuzz target binary: llvm-demangle-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7fff2d64bfe8
Crash State:
   llvm::itanium_demangle::Db<DefaultAllocator>::parseEncoding
   llvm::itanium_demangle::Db<DefaultAllocator>::parseName
   llvm::itanium_demangle::Db<DefaultAllocator>::parseClassEnumType

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201808200140:201808202008
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201810170227:201811111623

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5681464745132032

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
more information.

If you suspect that the result above is incorrect, try re-doing that job on  
the test case report page.

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