Commit 88808fbb authored by Linus Torvalds's avatar Linus Torvalds
Browse files
Pull nfsd fixes from Chuck Lever:
 "Notable bug fixes:

   - Ensure SM_NOTIFY doesn't crash the NFS server host

   - Ensure NLM locks are cleaned up after client reboot

   - Fix a leak of internal NFSv4 lease information"

* tag 'nfsd-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  nfsd: nfsd4_setclientid_confirm mistakenly expires confirmed client.
  lockd: fix failure to cleanup client locks
  lockd: fix server crash on reboot of client holding lock
parents d5084ffb ab451ea9
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+10 −8
Original line number Diff line number Diff line
@@ -179,19 +179,21 @@ nlm_delete_file(struct nlm_file *file)
static int nlm_unlock_files(struct nlm_file *file)
{
	struct file_lock lock;
	struct file *f;

	locks_init_lock(&lock);
	lock.fl_type  = F_UNLCK;
	lock.fl_start = 0;
	lock.fl_end   = OFFSET_MAX;
	for (f = file->f_file[0]; f <= file->f_file[1]; f++) {
		if (f && vfs_lock_file(f, F_SETLK, &lock, NULL) < 0) {
			pr_warn("lockd: unlock failure in %s:%d\n",
				__FILE__, __LINE__);
			return 1;
		}
	}
	if (file->f_file[O_RDONLY] &&
	    vfs_lock_file(file->f_file[O_RDONLY], F_SETLK, &lock, NULL))
		goto out_err;
	if (file->f_file[O_WRONLY] &&
	    vfs_lock_file(file->f_file[O_WRONLY], F_SETLK, &lock, NULL))
		goto out_err;
	return 0;
out_err:
	pr_warn("lockd: unlock failure in %s:%d\n", __FILE__, __LINE__);
	return 1;
}

/*
+3 −1
Original line number Diff line number Diff line
@@ -4130,8 +4130,10 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
			status = nfserr_clid_inuse;
			if (client_has_state(old)
					&& !same_creds(&unconf->cl_cred,
							&old->cl_cred))
							&old->cl_cred)) {
				old = NULL;
				goto out;
			}
			status = mark_client_expired_locked(old);
			if (status) {
				old = NULL;