From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by passt.top (Postfix) with ESMTP id 24CA65A026D for ; Tue, 7 Nov 2023 13:45:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1699361147; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xCvqecn8YqqLAOiWgyg6vM1VorD4S9Dkf8aj/ii4zOw=; b=P5A1m71FWYBiXx5hHTPAVyLhLotdwIvrLeYTldLQVAQ0RnCi+fJL2f02dGkz6FqHPRPPoU gdsZR8zpQsDc9CwziKLUPDkRdoQfcHJ80btohLH8tIf12DXCmF3UnB5HnH+Lxh6nwJOu+R T1Vx/hFCPHZZB+cbMEb8zg97KeM1odU= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-635-aLOhkwUuPjmkJcUBmSdAPA-1; Tue, 07 Nov 2023 07:45:43 -0500 X-MC-Unique: aLOhkwUuPjmkJcUBmSdAPA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8CCE3299E75C; Tue, 7 Nov 2023 12:45:43 +0000 (UTC) Received: from elisabeth (unknown [10.39.208.12]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9A33C10F5A; Tue, 7 Nov 2023 12:45:42 +0000 (UTC) Date: Tue, 7 Nov 2023 13:45:40 +0100 From: Stefano Brivio To: David Gibson Subject: Re: [PATCH 0/2] udp: Fix bugs with saved socket fds Message-ID: <20231107134540.1bc26fde@elisabeth> In-Reply-To: <20231106021709.603571-1-david@gibson.dropbear.id.au> References: <20231106021709.603571-1-david@gibson.dropbear.id.au> Organization: Red Hat MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Message-ID-Hash: PAJXC4Q5CKLBKL3RDPFO6P5AB36IVMU5 X-Message-ID-Hash: PAJXC4Q5CKLBKL3RDPFO6P5AB36IVMU5 X-MailFrom: sbrivio@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: passt-dev@passt.top, bugs.passt.top@bitsbetwixt.com X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Mon, 6 Nov 2023 13:17:07 +1100 David Gibson wrote: > We've had some issues with DNS requests starting to fail in long > running guests or containers using passt/pasta. With assistance from > a reporter, I've managed to track this down to some bugs in our > management of saved UDP socket fds. > > Link: https://bugs.passt.top/show_bug.cgi?id=57 > > David Gibson (2): > udp: Consistently use -1 to indicate un-opened sockets in maps > udp: Remove socket from udp_{tap,splice}_map when timed out Applied. -- Stefano