OSV-2021-853 Heap-buffer-overflow in jxl::ThreadPool::RunCallState<jxl::ConvertToExternal

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35172 Crash type: Heap-buffer-overflow WRITE 4 Crash state: jxl::ThreadPool::RunCallStatejxl::ConvertToExternal jpegxl::ThreadParallelRunner::ThreadFunc void std::1::threadproxystd::1::tuplestd::1::uniqueptrstd::1::...

libjxl:djxl_fuzzer: Heap-buffer-overflow in jxl::ThreadPool::RunCallState<jxl::ConvertToExternal

Project: https://github.com/libjxl/libjxl.git Detailed Report: https://oss-fuzz.com/testcase?key=5502486264807424 Project: libjxl Fuzzing Engine: libFuzzer Fuzz Target: djxlfuzzer Job Type: libfuzzerasanlibjxl Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x7f76951543...