libreoffice/docxfuzzer: Crash in IMPL_RTL_ACQUIRE

Detailed report: https://oss-fuzz.com/testcase?key=5742725021302784 Project: libreoffice Fuzzer: libFuzzerlibreofficedocxfuzzer Fuzz target binary: docxfuzzer Job Type: libfuzzerubsanlibreoffice Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x000a00000002 Crash State: IMPLRTLACQUIRE...