Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1293680pxf; Fri, 19 Mar 2021 04:04:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwomCiv+vi7uDHBtBFvdgqx8F9vCuLYFfIBXJ96J6bjDgnCHciNcejnWrrY2hd5gLG+3nVg X-Received: by 2002:a17:907:2054:: with SMTP id pg20mr3651709ejb.213.1616151850071; Fri, 19 Mar 2021 04:04:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616151850; cv=none; d=google.com; s=arc-20160816; b=MeqlVta/wOC1edft5Caq9XqqbiWrZM0ogrDWeuztsAoaKde5K+vqplVajVpLit7KsH oeOEjELlCNVZQQ8atgVXLYnYOKHyY2qU2zoj9D7VBM85toM9Kzyc0cOJixh+9GYJeO37 ziu/IEBfC0kEMxVQfElnCDXPYdd4uGuY2X6u2GRcs2v4Bo9dGINIJkMNZz9D6Pv8n4WQ xb+kkTWkbSuiU9MGcwuC7AFIry2niaFw40QihHbkOVwa+Yd8vAw31GcESvNLy5DsL7Mk YfsiOk8yLHH9K89R3qR+5xZCAimdMlZMi0DjANAIBSfTJ+hntRKP3KtcXR4qQzvz/ESj h26Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=3kE9urkd9NS2DuoN7WUKMGk6xYQqlb0lhJPiUJGc07Q=; b=df/bOkSCmcBQfv7SM2Ji/Sp6cmdwWlaxzEvGyiCtxuPVkrH9Rx8bny89efhxipiomV 6d0KU6J+Zspk8fDL8TAWczW1BDU/QKPhJqsk1iQrSvcl/Yp1r5CnOVBZT0/fOk8AQadI hoMGQb7aP1C3j6jG9TPU0OrLzat+lW1OzmmfmDKFyCd6myihvKDuVFAJD0YS50AN5c0y eTZvhMeENgq+yv6bu3yr9iAnfZZH0l/6VrtQW/BLTbjIq/6eIhovjFoeDr3rxa5eXh4b 761eWphX4quEC11W5Az5m0TzbnuI0OcvAWPiXQpJJ/IUBx3Sy/XLvMn3WNrXjgcm4g57 pseg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a29si4256795edb.437.2021.03.19.04.03.47; Fri, 19 Mar 2021 04:04:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230203AbhCSLCb (ORCPT + 99 others); Fri, 19 Mar 2021 07:02:31 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:51671 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229993AbhCSLCM (ORCPT ); Fri, 19 Mar 2021 07:02:12 -0400 Received: by mail-il1-f198.google.com with SMTP id y11so34120254ilc.18 for ; Fri, 19 Mar 2021 04:02:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=3kE9urkd9NS2DuoN7WUKMGk6xYQqlb0lhJPiUJGc07Q=; b=aQKWsAAQRiXwc6qamWv2KFW+Rn7nOesWmdxQl6aA5hBk7wRBBSyzTy6X7cx1tlQUFy FAsZtXQO1XWisG3Mt5KmsQhVa8kMFLfYckV8dKvSyG4KjgX+L1fSjf6+T7tR0pVh/h+Z wSYgmB5CW+1bt4pR+RDLqj9jwv5erwipaQwFZQxNejS2R4i34iRuRC/hUpX9AHqEGbWB d102lAi4PJUvFLiYUzVeXMTDQb93mx9P4Qgqous/6qQZo8trUvLV9bDTXUIJJqzM0JbO 8FoJBvbcdDIdPQ9IMXyOsb2uVyZTbJJMm0jFZS2Bzcq63ESI0XSsIfcXWyPcsJkPngRk rGHQ== X-Gm-Message-State: AOAM532YA7N6VZGElXRyz8xmgiLcMIX/lpcK2iJBokPgTfQSs/eMSzKK cOUPFt/0w0UT2l4DYiHOlCD+5jzOmCAJfY4q6fhnr0pexs0j MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2141:: with SMTP id d1mr2302995ilv.85.1616151731732; Fri, 19 Mar 2021 04:02:11 -0700 (PDT) Date: Fri, 19 Mar 2021 04:02:11 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000df888f05bde1a5b4@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in idr_for_each (2) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+12056a09a0311d758e60@syzkaller.appspotmail.com Tested on: commit: ece5fae7 io_uring: don't leak creds on SQO attach error git tree: git://git.kernel.dk/linux-block io_uring-5.12 kernel config: https://syzkaller.appspot.com/x/.config?x=28f8268e740d48dd dashboard link: https://syzkaller.appspot.com/bug?extid=12056a09a0311d758e60 compiler: Note: testing is done by a robot and is best-effort only.