[llvm-bugs] Issue 5953 in oss-fuzz: llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in llvm::raw_svector_ostream::write_impl

[ClusterFuzz-External via monorail via llvm-bugs]

Updates:
Labels: ClusterFuzz-Verified
Status: Verified

Comment #3 on issue 5953 by ClusterFuzz-External:  
llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in  
llvm::raw_svector_ostream::write_impl

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5953#c3

ClusterFuzz testcase 5397097705635840 is verified as fixed, so closing  
issue as verified.


If this is incorrect, please file a bug on  
https://github.com/google/oss-fuzz/issues/new


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[llvm-bugs] Issue 5953 in oss-fuzz: llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in llvm::raw_svector_ostream::write_impl

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 5953 by ClusterFuzz-External:  
llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in  
llvm::raw_svector_ostream::write_impl

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5953#c2

ClusterFuzz has detected this issue as fixed in range  
201802220624:201802230625.


Detailed report: https://oss-fuzz.com/testcase?key=5397097705635840

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 {*}
Crash Address: 0x60600111
Crash State:
  llvm::raw_svector_ostream::write_impl
  llvm::raw_ostream::write
  llvm::Twine::printOneChild

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm=201708280446:201708291805
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm=201802220624:201802230625


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5397097705635840


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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[llvm-bugs] Issue 5953 in oss-fuzz: llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in llvm::raw_svector_ostream::write_impl

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: 
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,  
igm...@gmail.com, llvm-b...@lists.llvm.org, v...@apple.com,  
mitchphi...@outlook.com, xpl...@gmail.com, akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2018-02-04

Type: Bug-Security

New issue 5953 by ClusterFuzz-External: llvm/llvm-dwarfdump-fuzzer:  
Heap-buffer-overflow in llvm::raw_svector_ostream::write_impl

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5953

Detailed report: https://oss-fuzz.com/testcase?key=5397097705635840

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 {*}
Crash Address: 0x60600111
Crash State:
  llvm::raw_svector_ostream::write_impl
  llvm::raw_ostream::write
  llvm::Twine::printOneChild

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm=201708280446:201708291805


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5397097705635840


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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