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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8AC4DC433F5 for ; Fri, 26 Nov 2021 14:59:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350592AbhKZPCn (ORCPT ); Fri, 26 Nov 2021 10:02:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353956AbhKZPAn (ORCPT ); Fri, 26 Nov 2021 10:00:43 -0500 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DAB56C06139A for ; Fri, 26 Nov 2021 06:38:24 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id v11so19077051wrw.10 for ; Fri, 26 Nov 2021 06:38:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=im43KwSoYhK9ZigytTgMRmdPWExT+xDBOnC1/fj8ZzQ=; b=eTO7sZi502sOWlS0hGeu6xznEVzMhNlGrTXQliR7s0mQnd646ec0t+D956ZemMTLQs fP5tTarpELPhWroxf3BJGIGT2+CJ47yh4VoIizSBEpgTL2D0dahCvaL6LVlUYX3JAqnd t0E9/8fNMRV1t2TIR4vnW5AbKBKJiuKcfkBgX2r2fNSvhnKnJ9Z/xxlKR1O+DIq+bIqk /41k0gRNgL1hJfVm77Q87bO5fPRMwvz9Z6kEQpdx1t5gg9qCqp0eg7omXkAYYZZUbhaB 51U23jkYST2zDKIz6irXaXFVUZJzQespIsnTCnVEYjP9LjcXnFHMNdHVTnzeaXKpIphq 6o/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=im43KwSoYhK9ZigytTgMRmdPWExT+xDBOnC1/fj8ZzQ=; b=7+fWxUjxBWkQtLTWzY/sYkxCNK6RjPM+LvdInkHb1Ug2kSgw0KVgdRxsZFV4FXa/ud l7lmxTIggs0ZOuukr6vk6vFf/y5B4IE7hBHBS+myUTdjaKpaGIn8UBd2wLKz944M3Mzv 0nemBFavp0Vfj77xL8t7UosauXhD1mVakRanFIqb/ZtdzsoyoJaii4lXbDnS680Aw4YA 5aPPe0nF6BDuubNJw0+jgeZsxrYH+QZ7urSx2bcmnisUvF3ZXwncBGFXTVeyCVzMV//A loTvz/fwRw5aphqlA5eA5CeWNabeDolDHaND7lsUc+LN0u7ltf0U30Nh1klUNbQlCVAa Eo0A== X-Gm-Message-State: AOAM5328SciQRDJvkDNv7qNLR7nCXyATo+Up7jXMEjX9ctA0wL5d48+o ioL7htnhM07jZdDIRK9tC6MoDYMwXhI= X-Google-Smtp-Source: ABdhPJzlN3e+aqxTt0B494YlGEJXaF6CTcshc944kFq5LYg0EmC3BXpz6m1JeqWGgdGuEQJeGn7drg== X-Received: by 2002:a5d:4443:: with SMTP id x3mr15008163wrr.189.1637937503275; Fri, 26 Nov 2021 06:38:23 -0800 (PST) Received: from 127.0.0.1localhost (82-132-231-175.dab.02.net. [82.132.231.175]) by smtp.gmail.com with ESMTPSA id j134sm6588640wmj.3.2021.11.26.06.38.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Nov 2021 06:38:22 -0800 (PST) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH 0/2] 5.16 fixes for syz reports Date: Fri, 26 Nov 2021 14:38:13 +0000 Message-Id: X-Mailer: git-send-email 2.34.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org The second patch fixes the last five reports, i.e. deadlocks and inconsistent irq state, all of the caused by the same patch and are dups of each other. 1/2 is for another report, where tw of cancellation requests don't handle PF_EXITING. Pavel Begunkov (2): io_uring: fail cancellation for EXITING tasks io_uring: fix link traversal locking fs/io_uring.c | 65 +++++++++++++++++++++++++++++++++++---------------- 1 file changed, 45 insertions(+), 20 deletions(-) -- 2.34.0