[llvm-bugs] Issue 59788 in oss-fuzz: llvm:clang-pseudo-fuzzer: ASSERT: Kind == 'u' || Kind == 'U' || Kind == 'N'

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Proj-llvm Reported-2023-06-12
Type: Bug

New issue 59788 by ClusterFuzz-External: llvm:clang-pseudo-fuzzer: ASSERT: Kind == 'u' || Kind == 'U' || Kind == 'N'
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=59788

Detailed Report: https://oss-fuzz.com/testcase?key=4510065135845376

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: clang-pseudo-fuzzer
Job Type: libfuzzer_msan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  Kind == 'u' || Kind == 'U' || Kind == 'N'
  clang::expandUCNs
  clang::pseudo::cook
  
Sanitizer: memory (MSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=202205100603:202208130606

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4510065135845376

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
When you fix this bug, please
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