From: Scott Mayhew <smayhew@xxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Scott Mayhew <smayhew@xxxxxxxxxx> Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/nfsd/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/nfsd/Kconfig +++ b/fs/nfsd/Kconfig @@ -73,7 +73,7 @@ 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