[llvm-bugs] Issue 4557 in oss-fuzz: llvm/clangd-fuzzer: Null-dereference READ in void llvm::yaml::skip<llvm::yaml::MappingNode>

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Fri Dec 8 02:03:22 PST 2017

Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevlieg... at apple.com,  
llvm-b... at lists.llvm.org, v... at apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2017-12-08
Type: Bug

New issue 4557 by ClusterFuzz-External: llvm/clangd-fuzzer:  
Null-dereference READ in void llvm::yaml::skip<llvm::yaml::MappingNode>

Detailed report: https://oss-fuzz.com/testcase?key=5055395132342272

Project: llvm
Fuzzer: libFuzzer_llvm_clangd-fuzzer
Fuzz target binary: clangd-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
   void llvm::yaml::skip<llvm::yaml::MappingNode>

Sanitizer: address (ASAN)


Reproducer Testcase:  

Issue filed automatically.

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

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