lwan:config_fuzzer: Global-buffer-overflow in lex_multiline_string

2019-10-27T07:54:48
ID OSSFUZZ-18562
Type ossfuzz
Reporter Google
Modified 2019-11-27T16:45:38

Description

Project: git://github.com/lpereira/lwan

Detailed Report: https://oss-fuzz.com/testcase?key=5670652367601664

Project: lwan Fuzzing Engine: libFuzzer Fuzz Target: config_fuzzer Job Type: libfuzzer_asan_lwan Platform Id: linux

Crash Type: Global-buffer-overflow READ 3 Crash Address: 0x0000011ab260 Crash State: lex_multiline_string lex_next parse_key_value

Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_lwan&range=201910260340:201910270336

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5670652367601664

Issue filed automatically.

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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.