diff mbox series

[v2,01/15] SUNRPC: Fail faster on bad verifier

Message ID 165452703512.1496.16079453480386969997.stgit@oracle-102.nfsv4.dev (mailing list archive)
State New, archived
Headers show
Series RPC-with-TLS client side | expand

Commit Message

Chuck Lever June 6, 2022, 2:50 p.m. UTC
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(-)

Comments

Jeff Layton July 6, 2022, 5:12 p.m. UTC | #1
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>
diff mbox series

Patch

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;