libcbor:cbor_load_fuzzer: Segv on unknown address in cbor_decref

2020-03-26T03:57:25
ID OSSFUZZ-21386
Type ossfuzz
Reporter Google
Modified 2020-04-26T20:00:03

Description

Project: https://github.com/PJK/libcbor.git

Detailed Report: https://oss-fuzz.com/testcase?key=5650964532166656

Project: libcbor Fuzzing Engine: afl Fuzz Target: cbor_load_fuzzer Job Type: afl_asan_libcbor Platform Id: linux

Crash Type: Segv on unknown address Crash Address: Crash State: cbor_decref cbor_decref cbor_load

Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_libcbor&range=202003250141:202003260136

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5650964532166656

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.