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From: Jeff Layton <jlayton@kernel.org>
To: Chuck Lever <chuck.lever@oracle.com>, linux-nfs@vger.kernel.org
Cc: trondmy@hammerspace.com
Subject: Re: [PATCH v2 01/15] SUNRPC: Fail faster on bad verifier
Date: Wed, 06 Jul 2022 13:12:23 -0400	[thread overview]
Message-ID: <781e7a9a8341250c6413efc26a4838d009ff21c9.camel@kernel.org> (raw)
In-Reply-To: <165452703512.1496.16079453480386969997.stgit@oracle-102.nfsv4.dev>

On Mon, 2022-06-06 at 10:50 -0400, Chuck Lever wrote:
> A bad verifier is not a garbage argument, it's an authentication
> failure. Retrying it doesn't make the problem go away, and delays
> upper layer recovery steps.
> 
> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
> ---
>  net/sunrpc/clnt.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> index e2c6eca0271b..ed13d55df720 100644
> --- a/net/sunrpc/clnt.c
> +++ b/net/sunrpc/clnt.c
> @@ -2649,7 +2649,7 @@ rpc_decode_header(struct rpc_task *task, struct xdr_stream *xdr)
>  
>  out_verifier:
>  	trace_rpc_bad_verifier(task);
> -	goto out_garbage;
> +	goto out_err;
>  
>  out_msg_denied:
>  	error = -EACCES;
> 
> 

Looks like this will mostly manifest as an -EIO return, which is what we
want in most cases for a munged verifer.

Reviewed-by: Jeff Layton <jlayton@kernel.org>

  reply	other threads:[~2022-07-06 17:12 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-06 14:50 [PATCH v2 00/15] RPC-with-TLS client side Chuck Lever
2022-06-06 14:50 ` [PATCH v2 01/15] SUNRPC: Fail faster on bad verifier Chuck Lever
2022-07-06 17:12   ` Jeff Layton [this message]
2022-06-06 14:50 ` [PATCH v2 02/15] SUNRPC: Widen rpc_task::tk_flags Chuck Lever
2022-07-06 17:14   ` Jeff Layton
2022-06-06 14:50 ` [PATCH v2 03/15] SUNRPC: Replace dprintk() call site in xs_data_ready Chuck Lever
2022-07-06 17:19   ` Jeff Layton
2022-07-06 18:10     ` Chuck Lever III
2022-06-06 14:50 ` [PATCH v2 04/15] NFS: Replace fs_context-related dprintk() call sites with tracepoints Chuck Lever
2022-07-06 18:44   ` Jeff Layton
2022-06-06 14:51 ` [PATCH v2 05/15] SUNRPC: Plumb an API for setting transport layer security Chuck Lever
2022-07-18 19:46   ` Jeff Layton
2022-06-06 14:51 ` [PATCH v2 06/15] SUNRPC: Trace the rpc_create_args Chuck Lever
2022-07-06 18:57   ` Jeff Layton
2022-07-06 19:04     ` Chuck Lever III
2022-06-06 14:51 ` [PATCH v2 07/15] SUNRPC: Refactor rpc_call_null_helper() Chuck Lever
2022-07-18 19:44   ` Jeff Layton
2022-06-06 14:51 ` [PATCH v2 08/15] SUNRPC: Add RPC client support for the RPC_AUTH_TLS auth flavor Chuck Lever
2022-06-06 14:51 ` [PATCH v2 09/15] SUNRPC: Ignore data_ready callbacks during TLS handshakes Chuck Lever
2022-06-06 14:51 ` [PATCH v2 10/15] SUNRPC: Capture cmsg metadata on client-side receive Chuck Lever
2022-07-18 19:53   ` Jeff Layton
2022-07-19 21:43     ` Chuck Lever III
2022-06-06 14:51 ` [PATCH v2 11/15] SUNRPC: Add a connect worker function for TLS Chuck Lever
2022-06-06 14:51 ` [PATCH v2 12/15] SUNRPC: Add RPC-with-TLS support to xprtsock.c Chuck Lever
2022-07-12 17:00   ` Benjamin Coddington
2022-07-18 20:10   ` Jeff Layton
2022-07-19 21:31     ` Chuck Lever III
2022-06-06 14:51 ` [PATCH v2 13/15] SUNRPC: Add RPC-with-TLS tracepoints Chuck Lever
2022-06-06 14:51 ` [PATCH v2 14/15] NFS: Have struct nfs_client carry a TLS policy field Chuck Lever
2022-06-06 14:52 ` [PATCH v2 15/15] NFS: Add an "xprtsec=" NFS mount option Chuck Lever
2022-07-18 20:24   ` Jeff Layton
2022-07-18 20:35     ` Chuck Lever III
2022-07-12 12:36 ` [PATCH v2 00/15] RPC-with-TLS client side Jeff Layton
2022-07-12 13:48   ` Chuck Lever III
2022-07-13  0:51     ` Rick Macklem
2022-07-13 13:22       ` Benjamin Coddington
2022-07-13 13:32         ` Chuck Lever III
2022-07-14 16:24     ` Benjamin Coddington
2022-07-18 20:25 ` Jeff Layton

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