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(parent: bf6d0f5) | patch
evm: permit mode bits to be updated
authorMimi Zohar <zohar@linux.vnet.ibm.com>
Mon, 22 Aug 2011 13:14:18 +0000 (09:14 -0400)
committerMimi Zohar <zohar@linux.vnet.ibm.com>
Wed, 14 Sep 2011 19:24:52 +0000 (15:24 -0400)
commit566be59ab86c0e030b980645a580d683a015a483
treec5d29c7db2f8ef93e970cb405621f59c57d01b94tree | snapshot
parentbf6d0f5dcda17df3cc5577e203d0f8ea1c2ad6aacommit | diff
evm: permit mode bits to be updated

Before permitting 'security.evm' to be updated, 'security.evm' must
exist and be valid.  In the case that there are no existing EVM protected
xattrs, it is safe for posix acls to update the mode bits.

To differentiate between no 'security.evm' xattr and no xattrs used to
calculate 'security.evm', this patch defines INTEGRITY_NOXATTR.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
include/linux/integrity.h diff | blob | history
security/integrity/evm/evm_main.c diff | blob | history
Domain: System / Kernel;