[llvm-bugs] Issue 3225 in oss-fuzz: llvm: Heap-buffer-overflow in checkDylibCommand

[monor… via monorail via llvm-bugs]

Comment #6 on issue 3225 by  
monor... at clusterfuzz-external.iam.gserviceaccount.com: llvm:  
Heap-buffer-overflow in checkDylibCommand
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3225#c6

ClusterFuzz has detected this issue as fixed in range  
201709130450:201709140449.

Detailed report: https://oss-fuzz.com/testcase?key=6218604343197696

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

Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x60c0000006e0
Crash State:
   checkDylibCommand
   llvm::object::MachOObjectFile::MachOObjectFile
   llvm::object::MachOObjectFile::create

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201708280446:201708291805
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201709130450:201709140449

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=6218604343197696

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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