immer:flex-vector-gc: Segv on unknown address in immer::detail::rbts::relaxed_pos<immer::detail::rbts::node<int, immer::memory_po

2020-07-15T23:53:50
ID OSSFUZZ-24173
Type ossfuzz
Reporter Google
Modified 2020-08-21T20:08:47

Description

Project: https://github.com/arximboldi/immer.git

Detailed Report: https://oss-fuzz.com/testcase?key=4872518268354560

Project: immer Fuzzing Engine: libFuzzer Fuzz Target: flex-vector-gc Job Type: libfuzzer_asan_immer Platform Id: linux

Crash Type: Segv on unknown address Crash Address: Crash State: immer::detail::rbts::relaxed_pos<immer::detail::rbts::node<int, immer::memory_po int& immer::detail::rbts::get_mut_visitor<immer::detail::rbts::node<int, immer:: decltype

Sanitizer: address (ASAN)

Crash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_asan_immer&revision=202007150431

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4872518268354560

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.