Patch "tipc: rate limit warning for received illegal binding update" has been added to the 4.9-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    tipc: rate limit warning for received illegal binding update

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     tipc-rate-limit-warning-for-received-illegal-binding.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 9dfe115d56a38c4105f327b0a828680fd08e56f3
Author: Jon Maloy <jmaloy@xxxxxxxxxx>
Date:   Tue Feb 8 22:22:37 2022 -0500

    tipc: rate limit warning for received illegal binding update
    
    [ Upstream commit c7223d687758462826a20e9735305d55bb874c70 ]
    
    It would be easy to craft a message containing an illegal binding table
    update operation. This is handled correctly by the code, but the
    corresponding warning printout is not rate limited as is should be.
    We fix this now.
    
    Fixes: b97bf3fd8f6a ("[TIPC] Initial merge")
    Signed-off-by: Jon Maloy <jmaloy@xxxxxxxxxx>
    Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 7ebcaff8c1c4f..963f607b34999 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -288,7 +288,7 @@ static bool tipc_update_nametbl(struct net *net, struct distr_item *i,
 			return true;
 		}
 	} else {
-		pr_warn("Unrecognized name table message received\n");
+		pr_warn_ratelimited("Unknown name table message received\n");
 	}
 	return false;
 }