njs/njs_process_script_fuzzer: Crash in njs_object_prop_alloc

2019-07-06T20:15:33
ID OSSFUZZ-15695
Type ossfuzz
Reporter Google
Modified 2019-08-10T15:29:44

Description

Project: http://hg.nginx.org/njs

Detailed report: https://oss-fuzz.com/testcase?key=5688604573040640

Project: njs Fuzzer: libFuzzer_njs_process_script_fuzzer Fuzz target binary: njs_process_script_fuzzer Job Type: libfuzzer_ubsan_njs Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x001002c33f20 Crash State: njs_object_prop_alloc njs_regexp_exec_result njs_regexp_prototype_exec

Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5688604573040640

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for instructions to reproduce this bug locally.

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.