libheif/file-fuzzer: Negative-size-param in heif::HeifPixelImage::fill_RGB_16bit

Project: https://github.com/strukturag/libheif.git Detailed report: https://oss-fuzz.com/testcase?key=5732616832024576 Project: libheif Fuzzer: libFuzzerlibheiffile-fuzzer Fuzz target binary: file-fuzzer Job Type: libfuzzerasanlibheif Platform Id: linux Crash Type: Negative-size-param Crash...