Re: XFS and LSM

From: Russell Coker (russellat_private)
Date: Thu Jun 13 2002 - 03:47:31 PDT

  • Next message: Stephen Smalley: "Re: XFS and LSM"

    On Thu, 13 Jun 2002 12:17, Keith Owens wrote:
    > At 10:15 13-6-2002 +0200, Russell Coker wrote:
    > >I wanted to build a system running the XFS file system and Linux Security
    > >Modules (LSM), so I had a look at hacking the patch files to make them
    > > work.
    > >
    > >I found one issue where the patches severely conflict, system call 1217 on
    > >IA64 is sys_setxattr for XFS and is sys_security for LSM!
    >
    > The *attr syscall numbers are official, in both Linus and Marcelo
    > kernels.  LSM is picking an arbitrary syscall number for testing so
    > they will have to find another number - and change user space to match.
    
    OK.  Shouldn't be a big issue.
    
    > Pity Linus did not take my patch that reserves a range of syscall
    > numbers for testing and provides a clean interface for determining
    > which number to use.  Linus does not consider this to be a problem.
    
    Yes, reserving a separate range for testing would be good, especially if you 
    can make it work so that patches don't conflict...
    
    
    BTW  XFS also changes the quota system in a serious way which breaks SE Linux 
    (not LSM).
    
    -- 
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