unicorn:fuzz_emu_arm_arm: Crash in cpu_arm_exec_arm

2020-01-18T23:51:33
ID OSSFUZZ-20220
Type ossfuzz
Reporter Google
Modified 2020-05-14T16:03:40

Description

Project: https://github.com/unicorn-engine/unicorn.git

Detailed Report: https://oss-fuzz.com/testcase?key=5662497394917376

Project: unicorn Fuzzing Engine: afl Fuzz Target: fuzz_emu_arm_arm Job Type: afl_asan_unicorn Platform Id: linux

Crash Type: UNKNOWN WRITE Crash Address: 0x0000007e1c00 Crash State: cpu_arm_exec_arm tcg_exec_all_arm qemu_tcg_cpu_loop

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_unicorn&range=201909210146:201909230147

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5662497394917376

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.

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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.