Hi,
Thanks for your patch.
FYI: kernel test robot notices the stable kernel rule is not satisfied.
Rule: 'Cc: stable@vger.kernel.org' or 'commit <sha1> upstream.' Subject: [PATCH 1/1] fork: lock VMAs of the parent process when forking Link: https://lore.kernel.org/stable/20230704200656.2526715-1-surenb%40google.com
The check is based on https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html