On Mon, 2023-09-04 at 15:34 +0200, Roberto Sassu wrote: > From: Roberto Sassu <roberto.sassu@xxxxxxxxxx> > > In preparation for moving IMA and EVM to the LSM infrastructure, introduce > the inode_post_removexattr hook. > > It is useful for EVM to recalculate the HMAC on the remaining file xattrs, > and other file metadata, after it verified the HMAC of current file > metadata with the inode_removexattr hook. > > LSMs should use the new hook instead of inode_removexattr, when they need > to know that the operation was done successfully (not known in > inode_removexattr). > The new hook cannot return an error and cannot cause > the operation to be reverted. > > Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx> Refer to the patch description comments for 12/25. Otherwise, Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
