[llvm-bugs] Issue 6706 in oss-fuzz: llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in llvm::StringMapImpl::LookupBucketFor

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 6706 by ClusterFuzz-External:  
llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in  
llvm::StringMapImpl::LookupBucketFor
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6706#c2

ClusterFuzz has detected this issue as fixed in range  
201804261605:201804270530.

Detailed report: https://oss-fuzz.com/testcase?key=5111016741404672

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: 0x6080000000f2
Crash State:
   llvm::StringMapImpl::LookupBucketFor
   std::__1::pair<llvm::StringMapIterator<char>, bool> llvm::StringMap<char,  
llvm::
   llvm::object::WasmObjectFile::parseLinkingSectionComdat

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201803020617:201803030618
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201804261605:201804270530

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5111016741404672

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.

-- 
You received this message because:
   1. You were specifically CC'd on the issue

You may adjust your notification preferences at:
https://bugs.chromium.org/hosting/settings

Reply to this email to add a comment.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20180427/85634ef5/attachment.html>