lz4: fix LZ4decompresssafe_partial read out of bound
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.189 by commit 73953dfa9d50e5c9fe98ee13fd1d3427aa12a0a3. For more details please see the references link.