From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by passt.top (Postfix) with ESMTPS id F2C585A026D for ; Mon, 6 Nov 2023 03:17:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=201602; t=1699237034; bh=4dxBNcxyKOdNuP2f2fGCpbXaYtM1S88EX7F2aGBhyNI=; h=From:To:Cc:Subject:Date:From; b=OqmoePt3uZDiiBNjNnvkWvmPOslL47KZTc8IHDDPeFDljlG537XAkHgUBHK8a+MGu piEAAn8vxG/1IE9Y4HkjAjN3WWWVTAMYJYQs1dn9GoRiESPMmTz0ZQfXiItmAYV22O lTGoOywIh2EoqAQBJspB9aBBkuPssrJ4wApt60qY= Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4SNw3G13V1z4xPY; Mon, 6 Nov 2023 13:17:14 +1100 (AEDT) From: David Gibson To: Stefano Brivio , passt-dev@passt.top Subject: [PATCH 0/2] udp: Fix bugs with saved socket fds Date: Mon, 6 Nov 2023 13:17:07 +1100 Message-ID: <20231106021709.603571-1-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.41.0 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: ZX3RGOYTGJLFVEG4MD3KTMZPDP7EC266 X-Message-ID-Hash: ZX3RGOYTGJLFVEG4MD3KTMZPDP7EC266 X-MailFrom: dgibson@gandalf.ozlabs.org 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: bugs.passt.top@bitsbetwixt.com, David Gibson 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: 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 conf.c | 1 + udp.c | 36 +++++++++++++++++++++++++++--------- udp.h | 1 + 3 files changed, 29 insertions(+), 9 deletions(-) -- 2.41.0