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Issue 741663 link

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Issue metadata

Status: Duplicate
Merged: issue 741604
Owner:
Closed: Jul 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



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Bad-cast to llvm::cl::Option from llvm::cl::opt<std::__1::basic_string<char, std ... (to the same thing)

Project Member Reported by ClusterFuzz, Jul 12 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5453164362072064

Fuzzer: libFuzzer_gpu_swiftshader_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x7f49eb0b0cf8
Crash State:
  Bad-cast to llvm::cl::Option from llvm::cl::opt<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, false, llvm::cl::parser<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >
  llvm::cl::applicator<llvm::cl::FormattingFlags>::opt
  void llvm::cl::apply<llvm::cl::opt<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, false, llvm::cl::parser<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >, llvm::cl::FormattingFlags, llvm::cl::desc, llvm::cl::initializer<char
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=485852:485888

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5453164362072064


Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 

Comment 1 by raymes@chromium.org, Jul 13 2017

Owner: p...@chromium.org
Status: Assigned (was: Untriaged)
Summary: Bad-cast to llvm::cl::Option from llvm::cl::opt<std::__1::basic_string<char, std ... (to the same thing) (was: Bad-cast to llvm::cl::Option from llvm::cl::opt<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, false, llvm::cl::parser<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >;llvm::cl::applicator<llvm::cl::FormattingFlags>::opt;void llvm::cl::apply<llvm::cl::opt<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, false, llvm::cl::parser<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >, llvm::cl::FormattingFlags, llvm::cl::desc, llvm::cl::initializer<char)

Comment 2 by p...@chromium.org, Jul 13 2017

Mergedinto: 741604
Status: Duplicate (was: Assigned)
Project Member

Comment 3 by ClusterFuzz, Jul 13 2017

ClusterFuzz has detected this issue as fixed in range 486087:486244.

Detailed report: https://clusterfuzz.com/testcase?key=5453164362072064

Fuzzer: libFuzzer_gpu_swiftshader_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x7f49eb0b0cf8
Crash State:
  Bad-cast to llvm::cl::Option from llvm::cl::opt<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, false, llvm::cl::parser<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >
  llvm::cl::applicator<llvm::cl::FormattingFlags>::opt
  void llvm::cl::apply<llvm::cl::opt<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, false, llvm::cl::parser<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >, llvm::cl::FormattingFlags, llvm::cl::desc, llvm::cl::initializer<char
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=485852:485888
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=486087:486244

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5453164362072064


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/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.
Project Member

Comment 4 by sheriffbot@chromium.org, Oct 22 2017

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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