OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43059
Crash type: Heap-use-after-free READ 8 Crash state: ut_allocator<os_event>::allocate os_event_create rw_lock_create_func
{ "severity": "MEDIUM" }
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mysql-server/OSV-2021-1785.yaml"