Re: [PATCH v4 3/5] security: Allow all LSMs to provide xattrs for inode_init_security hook

Mimi Zohar <[email protected]>
Newsgroups gmane.comp.file-systems.reiserfs.general,gmane.linux.kernel.lsm,gmane.linux.kernel
Message-ID <[email protected]>
On Fri, 2022-11-18 at 10:32 +0100, Roberto Sassu wrote:
> > Smack uses multiple xattrs. All file system objects have a SMACK64
> > attribute, which is used for access control. A program file may have
> > a SMACK64EXEC attribute, which is the label the program will run with.
> > A library may have a SMACK64MMAP attribute to restrict loading. A
> > directory may have a SMACK64TRANSMUTE attribute, which modifies the
> > new object creation behavior.
> > 
> > The point being that it may be more than a "nice idea" to support
> > multiple xattrs. It's not a hypothetical situation.
> 
> Ok, that means that I have to change the number of xattrs reserved by 
> Smack in patch 3.

Based on evm_config_default_xattrnames[], there are 4.  There's the
original SMACK and these 3 additional ones.

Mimi
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.