Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp10364pxv; Wed, 21 Jul 2021 14:03:23 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxwu5z99lVOMMr6utjYnmFaDdM+lDU8xX7RzDfsaS4lIsoCH2S+I0rJ3h5XvILvhepINEsC X-Received: by 2002:a05:6602:3404:: with SMTP id n4mr15446820ioz.31.1626901403634; Wed, 21 Jul 2021 14:03:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626901403; cv=none; d=google.com; s=arc-20160816; b=SDI5o5Iyiq0OFVv0IO11JZrTEhI1Z/ieIaa4w4KbtqhdzDFeqQS5mCVDVjCPBG0Tbb 2sc4cRjFs41Ua5tB1PIuLQPAmPjaOcg6cMpAZSDyqV+FtfbnKmI7HVnqlhGDWGp1KRCk 2zf6cjTrOcpSF7xz1GResbLLwCnfDvFn9BBiCTf+iuBoTq7rduVaAakgB2jhwIo/E7eK 5Ap5u06kXSLF0Fxe/vH42DyrYWo7Y6i1SbLxiNylLH+qpf++RIoM5OI+IRz+dDjf+HUF FyWD3k7IRlB1a/OVBJ7jYUG1k8LqTDIFU2Bk+R57X57TBbDPgFzQQXqUvcWOqPp9xb/R MNYw== 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=gxyqQvbXalzs54ThUrwETt9kFkgligD2HIuxmfdETBQ=; b=bWLi+7zQmG4kpNKf8ShYou+93n4rhuizOFXahUXcPTNYwHqG7eIl/cPn44eA+bGchU 4VHEu8uWgUOzOYKiXcw9Owkb+9kkINyhZWxNqN6lbiYG/KJt5wv2ZeHTib4mUPA015Co WhJVMd0lxkxb5yuUlBg9pbLzN3Rjo+YpVsQf1E9zS71oK/RnHnB8HQq9XyPQHNEo52oK HhrA1MgiJBDn051Ksl+pkP4k2hLpAJxlLafBF0smtOlEYMSyKvhXsXi25tN5CDh+w6ys YDzqqRilTXKRyS0pJEPhHdnPbVApg7bxFeXP++US2j9ZVoa043ZWVptPpiO3dkFrBt67 CJ1A== 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 f16si27102299iol.39.2021.07.21.14.03.12; Wed, 21 Jul 2021 14:03:23 -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 S235735AbhGUQMh (ORCPT + 99 others); Wed, 21 Jul 2021 12:12:37 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:40827 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234061AbhGUQMh (ORCPT ); Wed, 21 Jul 2021 12:12:37 -0400 Received: by mail-il1-f199.google.com with SMTP id a18-20020a92c7120000b029020757e7bf9fso1921760ilp.7 for ; Wed, 21 Jul 2021 09:53:13 -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=gxyqQvbXalzs54ThUrwETt9kFkgligD2HIuxmfdETBQ=; b=hYuh1exVRKsWbmjLO3mi6FPMgxVcjvzb0Xgwe0+KMnW9YirSOZV1KPSwuGHumw3QN9 Lm2GrgzEHqdqZiMQ0Afsm3fwgIUClGYoHcTgxEa9AnobbG0NT4ojt1BjOS4g7NxFXXs2 JLEF0B+1j+35kG2CnMUWWOGvnjmO0q8XzyH0QgGG1OhlcmgK8lNudCnqzvEgsf/G6Ao/ N69xx8dNShq/nvi/3qesYi410BrjXsd7Mg3dgwOuUJLtM+dAAK334gL9s6nWj1OldCNe 2sdwGQVcJTRhOGnWTVXdrypMMB3VBibEe3Lp3c5UC7wtGim2jgFkITH4SlwBwizyt+ng w++w== X-Gm-Message-State: AOAM533w9cT0A25L989Fo2MgznX2zbVKtJr0/6dH9VJi+yNMX1YtyG/L zRaQbK2MBc6Lc1sTkk/GQ8dyAmlJK/L3qmr2VbIvMud84Pov MIME-Version: 1.0 X-Received: by 2002:a92:b111:: with SMTP id t17mr25820868ilh.208.1626886393308; Wed, 21 Jul 2021 09:53:13 -0700 (PDT) Date: Wed, 21 Jul 2021 09:53:13 -0700 In-Reply-To: <20210721125710.1a1c041f@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000902d5d05c7a50171@google.com> Subject: Re: [syzbot] KASAN: slab-out-of-bounds Read in do_wait_for_common From: syzbot To: Larry.Finger@lwfinger.net, florian.c.schilhabel@googlemail.com, gregkh@linuxfoundation.org, hridayhegde1999@gmail.com, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, paskripkin@gmail.com, rkovhaev@gmail.com, straube.linux@gmail.com, syzkaller-bugs@googlegroups.com 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+cc699626e48a6ebaf295@syzkaller.appspotmail.com Tested on: commit: 8cae8cd8 seq_file: disallow extremely large seq buffer.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=300aea483211c875 dashboard link: https://syzkaller.appspot.com/bug?extid=cc699626e48a6ebaf295 compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1 patch: https://syzkaller.appspot.com/x/patch.diff?x=1174d0d4300000 Note: testing is done by a robot and is best-effort only.