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Vivek Goyal authored
If a file has been copied up metadata only, and later data is copied up, upper loses any security.capability xattr it has (underlying filesystem clears it as upon file write). From a user's point of view, this is just a file copy-up and that should not result in losing security.capability xattr. Hence, before data copy up, save security.capability xattr (if any) and restore it on upper after data copy up is complete. Signed-off-by:
Vivek Goyal <vgoyal@redhat.com> Reviewed-by:
Amir Goldstein <amir73il@gmail.com> Fixes: 0c288874 ("ovl: A new xattr OVL_XATTR_METACOPY for file on upper") Cc: <stable@vger.kernel.org> # v4.19+ Signed-off-by:
Miklos Szeredi <mszeredi@redhat.com>
993a0b2a