Status: New
Owner: ----
CC: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected] Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer Proj-llvm Reported-2018-03-26
Type: Bug

New issue 7148 by ClusterFuzz-External: llvm/llvm-demangle-fuzzer: Stack-overflow in TemplateArgs::printLeft
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7148

Detailed report: https://oss-fuzz.com/testcase?key=6239312493412352

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: 0x7ffd84722f88
Crash State:
  TemplateArgs::printLeft
  NameWithTemplateArgs::printLeft

Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201803250525:201803260521

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6239312493412352

Issue filed automatically.

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

When you fix this bug, please
  * mention the fix revision(s).
* state whether the bug was a short-lived regression or an old bug in any stable releases.
  * add any other useful information.
This information can help downstream consumers.

If you have questions for the OSS-Fuzz team, please file an issue at https://github.com/google/oss-fuzz/issues.

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