Commit f64ea4af authored by Chuck Lever's avatar Chuck Lever
Browse files

NFSD: Cap the number of bytes copied by nfs4_reset_recoverydir() 



It's only current caller already length-checks the string, but let's
be safe.

Fixes: 0964a3d3 ("[PATCH] knfsd: nfsd4 reboot dirname fix")
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
parent 30c1d241

fs/nfsd/nfs4recover.c

+2 −1
Original line number Diff line number Diff line
@@ -659,7 +659,8 @@ nfs4_reset_recoverydir(char *recdir) 
		return status;

	status = -ENOTDIR;

	if (d_is_dir(path.dentry)) {

		strcpy(user_recovery_dirname, recdir);

		strscpy(user_recovery_dirname, recdir,

			sizeof(user_recovery_dirname));

		status = 0;

	}

	path_put(&path);