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quickjs:fuzz_eval: Heap-buffer-overflow in js_free_function_def

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5181144279810048 Project: quickjs Fuzzing Engine: honggfuzz Fuzz Target: fuzz_eval Job Type: honggfuzz_asan_quickjs Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x7f40b5b3d1e3 Crash State: js_free_function_def js_create_function __JS_EvalInternal Sanitizer: address (ASAN) Recommended Security Severity: Medium Crash Revision: https://oss-fuzz.com/revisions?job=honggfuzz_asan_quickjs&revision=202003290325 Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5181144279810048 Issue filed automatically. See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally. 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. Comments on individual Monorail issues are not monitored. 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.


Affected Software


CPE Name Name Version
quickjs any