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 38575AD23 for ; Thu, 27 Oct 2022 17:09:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2062C433D6; Thu, 27 Oct 2022 17:09:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666890569; bh=1eXI12tE0TquepeqJI/1t938PlAcaEQ9MA8JDBbTCb4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=enb8iIiAAl4uxb20ADBBizZqWITmKcBs3qXA6zt9FqPTbo+9duRhzozLkM1P4BDdb rXr//OOCPONmzQELgYPvZbT6PJV6yW0w9t2TXc+VUXvuwOYXTVwvDdolhhXr+BREeu 8cvFSi2AKigcoL/lLN51o3dRT/hUVCmKTB2tgIEY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mark Tomlinson , "David S. Miller" , Sasha Levin Subject: [PATCH 5.4 40/53] tipc: Fix recognition of trial period Date: Thu, 27 Oct 2022 18:56:28 +0200 Message-Id: <20221027165051.355601114@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221027165049.817124510@linuxfoundation.org> References: <20221027165049.817124510@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: Mark Tomlinson [ Upstream commit 28be7ca4fcfd69a2d52aaa331adbf9dbe91f9e6e ] The trial period exists until jiffies is after addr_trial_end. But as jiffies will eventually overflow, just using time_after will eventually give incorrect results. As the node address is set once the trial period ends, this can be used to know that we are not in the trial period. Fixes: e415577f57f4 ("tipc: correct discovery message handling during address trial period") Signed-off-by: Mark Tomlinson Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/tipc/discover.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/tipc/discover.c b/net/tipc/discover.c index c138d68e8a69..0006c9f87199 100644 --- a/net/tipc/discover.c +++ b/net/tipc/discover.c @@ -146,8 +146,8 @@ static bool tipc_disc_addr_trial_msg(struct tipc_discoverer *d, { struct net *net = d->net; struct tipc_net *tn = tipc_net(net); - bool trial = time_before(jiffies, tn->addr_trial_end); u32 self = tipc_own_addr(net); + bool trial = time_before(jiffies, tn->addr_trial_end) && !self; if (mtyp == DSC_TRIAL_FAIL_MSG) { if (!trial) -- 2.35.1