boost/boost_regex_fuzzer: Crash in boost::sub_match<std::__1::__wrap_iter<char const*> >::sub_match

2018-07-22T11:49:01
ID OSSFUZZ-9539
Type ossfuzz
Reporter Google
Modified 2018-09-30T15:24:25

Description

Project: https://github.com/boostorg/boost.git

Detailed report: https://oss-fuzz.com/testcase?key=5847161655787520

Project: boost Fuzzer: libFuzzer_boost_regex_fuzzer Fuzz target binary: boost_regex_fuzzer Job Type: libfuzzer_ubsan_boost Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0xfffffffffffffd00 Crash State: boost::sub_match<std::__1::__wrap_iter<char const> >::sub_match _ZNSt3__16vectorIN5boost9sub_matchINS_11__wrap_iterIPKcEEEENS_9allocatorIS7_EEE1 boost::match_results<std::__1::__wrap_iter<char const>, std::__1::allocator<boo

Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_boost&range=201807170347:201807180341

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5847161655787520

Issue filed automatically.

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

This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.

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 need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues.