ZFS allows deletion of files in a sticky directory

[Alexander Zagrebin]

I have found that directory entry may be deleted from a ZFS directory
with the sticky bit, if "the entry is a plain file and you have write
access"
(this is citation from a comments in zfs_dir.c)
But this behavior isn't described in the sticky(8) and isn't allowed on a
UFS.
The attached patch provides the UFS-like behavior of a sticky directories on
a ZFS.
Is this bug or feature?

[jhell]

Post by Alexander Zagrebin
I have found that directory entry may be deleted from a ZFS directory
with the sticky bit, if "the entry is a plain file and you have write
access"
(this is citation from a comments in zfs_dir.c)
But this behavior isn't described in the sticky(8) and isn't allowed on a
UFS.
The attached patch provides the UFS-like behavior of a sticky directories on
a ZFS.
Is this bug or feature?

Perhaps you have removed a directory on a share that is managed through
Samba and somehow you have had a ACL entry that allowed you to remove that
directory ?.

This patch is unsuitable for implementation. It effectively removes ACL
access for determining writes to a object that you have ACL write access
to.

Regards,