From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A67E4C432C0 for ; Tue, 19 Nov 2019 20:33:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A3C92240E for ; Tue, 19 Nov 2019 20:33:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="d4Q2CpE1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726722AbfKSUdQ (ORCPT ); Tue, 19 Nov 2019 15:33:16 -0500 Received: from mail-wm1-f45.google.com ([209.85.128.45]:55253 "EHLO mail-wm1-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726711AbfKSUdQ (ORCPT ); Tue, 19 Nov 2019 15:33:16 -0500 Received: by mail-wm1-f45.google.com with SMTP id z26so4669703wmi.4 for ; Tue, 19 Nov 2019 12:33:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=3h8MV3ZJ6kjYUUhlkQ9JuTTLTLJRIgOJ7DylIQgyCKE=; b=d4Q2CpE1CCK5oDYTkIxdFsdxKjCW/OmeGVXy7NEh6DNF2vioTmNyAZD4EIjMTrW36c fCL82qS8oXrMjDzI/Eta0Bp6noIjHkUj0k2vHhawwETOpkLOQ4fTvnUSXjnYUxrU0IHt rJGhzv3W0tm8+Fn/LupOIXECOJNinpiwiLJQWUlAFptgmi6diT/jG/ZModdF3OoSknJK 9iLxFmJR/1wpwViZrhhgODemhtPCgq+6z3WyDijXircpF5aYemExKUxRwRBiRc3TU2s9 C3AehwcI1oXsgp89QEIgOzD3/isMnTFE594i7HWaP1JfSJTyBdKuTsi5JmEgyoIwWvHB yb3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=3h8MV3ZJ6kjYUUhlkQ9JuTTLTLJRIgOJ7DylIQgyCKE=; b=Gt17giWNJSAEFtfmyVmG96UvyP5dzKicvwwUTW2YVqAvfmyIRmzePZ/Ko7cVhpAmRn fkVvsy5d7Q22+JWMYJ99Zp3v+a0MshbMBXs69FQvxTYsz3l7cNqU/AP16LUofsNiUt1z NRBls6mEHegJcbmQ3gq8nH0Y1jeLQLFbM8UOjUquGfIO4CF795fQYPmeLHyeeynN0h6C iFF9sR7y4DTtm2pOUYbMz6Dc5aQHccwgJOnqkl8Notv4AHHLRH9PPHOKSV/MxRchlgxK o9KSldNYgAi72FFH1XC+YGngOtmsyzPqnqnEsddHjt0jQcYw7SCRKxGJ7ObpoKPHzwtO Kdgg== X-Gm-Message-State: APjAAAXBnNKNx1VQgYSvmYJ55aG+Uo4KXcbELDvFSue38UNpod5ApGkH BApj/lnmhuQkZ4kddg0+b68= X-Google-Smtp-Source: APXvYqzBOSeW4oZ1o3dB3JaNbrdObMFmqkWn0BQJsuF5QasrN7Z4hMPjDEznb2dLwMGVfcBNnnjRLQ== X-Received: by 2002:a7b:c181:: with SMTP id y1mr8079326wmi.16.1574195593825; Tue, 19 Nov 2019 12:33:13 -0800 (PST) Received: from localhost.localdomain ([109.126.143.74]) by smtp.gmail.com with ESMTPSA id g184sm4605981wma.8.2019.11.19.12.33.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Nov 2019 12:33:13 -0800 (PST) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org Subject: [PATCHSET 0/4][io_uring-post] cleanup after linked timeouts Date: Tue, 19 Nov 2019 23:32:46 +0300 Message-Id: X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org The second fixes mild misbehaving for a very rare case. The last one fixes a nasty bug, which leaks request with a uring reference, so hunging a process. Pavel Begunkov (4): io_uring: Always REQ_F_FREE_SQE for allocated sqe io_uring: break links for failed defer io_uring: remove redundant check io_uring: Fix leaking linked timeouts fs/io_uring.c | 58 ++++++++++++++++++++++++--------------------------- 1 file changed, 27 insertions(+), 31 deletions(-) -- 2.24.0