Commit 350c73af authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust
Browse files

NFS: Off-by-one length error in string handling 



The hostname was getting truncated in the new text-based NFS mount API.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent fdc6e2c8

fs/nfs/super.c

+1 −1
Original line number Diff line number Diff line
@@ -1153,7 +1153,7 @@ static int nfs_validate_mount_data(struct nfs_mount_data **options, 
		c = strchr(dev_name, ':');

		if (c == NULL)

			return -EINVAL;

		len = c - dev_name - 1;

		len = c - dev_name;

		if (len > sizeof(data->hostname))

			return -EINVAL;

		strncpy(data->hostname, dev_name, len);