nfsd: v4 support requires CRYPTO_SHA256

BugLink: https://bugs.launchpad.net/bugs/1862227
commit a2e2f2dc77a18d2b0f450fb7fcb4871c9f697822 upstream.

The new nfsdcld client tracking operations use sha256 to compute hashes
of the kerberos principals, so make sure CRYPTO_SHA256 is enabled.

Fixes: 6ee95d1c8991 ("nfsd: add support for upcall version 2")
Reported-by: Jamie Heilman <jamie@audible.transient.net>
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index d25f6bbe7006594065807f0462571999458ee618..c8bae29fb239080b84c81d1402eb48b6045a076d 100644 (file)
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -72,7 +72,7 @@ config NFSD_V4
        select NFSD_V3
        select FS_POSIX_ACL
        select SUNRPC_GSS
-       select CRYPTO
+       select CRYPTO_SHA256
        select GRACE_PERIOD
        help
          This option enables support in your system's NFS server for