Bug#1093263: rsync: Error in rsync_3.2.3-4+deb11u2: "Internal hashtable error: illegal key supplied!" using -rH

[Harald Dunkel]

I am affected as well (using 3.2.7-1+deb12u1). The only way to make nightly
backups (rsnapshot) work again is to go back to the old, vulnerable version.