From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A1331875 for ; Wed, 28 Dec 2022 15:56:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E61DBC433F1; Wed, 28 Dec 2022 15:56:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672242982; bh=BBm+FXZcXc0LQpf3qvLlhqJJqR0w8aXAsxBE3rCarZo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tOAB3Pg9xISDJxokFbuR5U/x/gMZmIRMPuyA/ROWaN1j++c2rnm+tPFtqcO5EO7QE 7H2zjqO10Ap3XE0hUkIyylfTJPorKIFC0uJqgLOP00wYsa6OBSG8k006V66wLrXugn 4brGqXnhm6oowYM0l5g3VSLYZYPy4moWSfxP9Vlc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, ChenXiaoSong , Trond Myklebust , Sasha Levin Subject: [PATCH 6.0 0475/1073] NFSv4.x: Fail client initialisation if state manager thread cant run Date: Wed, 28 Dec 2022 15:34:23 +0100 Message-Id: <20221228144340.939773150@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144328.162723588@linuxfoundation.org> References: <20221228144328.162723588@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Trond Myklebust [ Upstream commit b4e4f66901658fae0614dea5bf91062a5387eda7 ] If the state manager thread fails to start, then we should just mark the client initialisation as failed so that other processes or threads don't get stuck in nfs_wait_client_init_complete(). Reported-by: ChenXiaoSong Fixes: 4697bd5e9419 ("NFSv4: Fix a race in the net namespace mount notification") Signed-off-by: Trond Myklebust Signed-off-by: Sasha Levin --- fs/nfs/nfs4state.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index a629d7db9420..0774355249c9 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1232,6 +1232,8 @@ void nfs4_schedule_state_manager(struct nfs_client *clp) if (IS_ERR(task)) { printk(KERN_ERR "%s: kthread_run: %ld\n", __func__, PTR_ERR(task)); + if (!nfs_client_init_is_complete(clp)) + nfs_mark_client_ready(clp, PTR_ERR(task)); nfs4_clear_state_manager_bit(clp); clear_bit(NFS4CLNT_MANAGER_AVAILABLE, &clp->cl_state); nfs_put_client(clp); -- 2.35.1