https://bugzilla.kernel.org/show_bug.cgi?id=214029
--- Comment #17 from Erhard F. (erhard_f@mailbox.org) --- v5.15-rc5 is still affected.
However I reverted d02117f8efaa5fbc37437df1ae955a147a2a424a on top of v5.15-rc5 and can confirm this fixes the leak.