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 6739617CA12; Mon, 10 Mar 2025 17:51:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741629083; cv=none; b=DcRvhsI+On85a3BsKPICumwFsy2xuwkDXf9qpS/UBzj96tbrjflvuWv+6moK9wAkC/qnmwDArFL27d6W1I9XBtTzoQCFA+EWEk4x2sp+qyTpDdkcUpR9W2V7J1GFsyAucn1BG9pag3PcAaehnf4oDR8oGKMLL9lsFNSkhH/F3bM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741629083; c=relaxed/simple; bh=199KVOfWeJPtN9gOSseZ33rXpvnpeEDixHY9QS1houU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RKw24Kg5hGK3Ep9DrfYQE+1E801oYkZ67Va2aOLZSnnpBjJrO5qP4F29+mDW07R1oXxCKU5lGX8YjdIg9p4UGKDH6kOOH6cBnbVVPv2Ow1EclSRJW5Vr0dBYPEj7GbFSUFVXijKKB7xz5PJ4s0OSbj9z1REzGCQsSdtfyar577g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ja6Mu869; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ja6Mu869" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2557C4CEE5; Mon, 10 Mar 2025 17:51:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741629083; bh=199KVOfWeJPtN9gOSseZ33rXpvnpeEDixHY9QS1houU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ja6Mu869XZr8kPjOxKXrtiLoix64+zk6LwZqMP8MgRt94wqLrwzPZZgKMj7JrROfw Zu0RnFepKM2ULVGf4DWAw3C9s1Cx8aZKPOTbgPkeOurjKNHwuJF2n4FECFkNqoMw2d c63F/Zl0l6APmgs2UPWk3hrPABpbEbDD9ZHPV6PE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Stefano Garzarella , Luigi Leonardi , Michal Luczaj , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 171/620] vsock: Allow retrying on connect() failure Date: Mon, 10 Mar 2025 18:00:17 +0100 Message-ID: <20250310170552.369581221@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170545.553361750@linuxfoundation.org> References: <20250310170545.553361750@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michal Luczaj [ Upstream commit aa388c72113b7458127b709bdd7d3628af26e9b4 ] sk_err is set when a (connectible) connect() fails. Effectively, this makes an otherwise still healthy SS_UNCONNECTED socket impossible to use for any subsequent connection attempts. Clear sk_err upon trying to establish a connection. Fixes: d021c344051a ("VSOCK: Introduce VM Sockets") Reviewed-by: Stefano Garzarella Reviewed-by: Luigi Leonardi Signed-off-by: Michal Luczaj Link: https://patch.msgid.link/20250128-vsock-transport-vs-autobind-v3-2-1cf57065b770@rbox.co Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/vmw_vsock/af_vsock.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 943d58b07a559..a4bcb758301dd 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1386,6 +1386,11 @@ static int vsock_connect(struct socket *sock, struct sockaddr *addr, if (err < 0) goto out; + /* sk_err might have been set as a result of an earlier + * (failed) connect attempt. + */ + sk->sk_err = 0; + /* Mark sock as connecting and set the error code to in * progress in case this is a non-blocking connect. */ -- 2.39.5