From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D694A1714CF for ; Thu, 15 Aug 2024 16:10:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723738205; cv=none; b=FlATH3DyBjgmtEuv2EaP57yJ0HYToNiBOAmBtEN4ZMDZeH7nu+HvschbMSdjoeNb5rF/Xd8PR4whc0mqsmW+/XxmDUFVE1pJ+pASfF54vdzRApKH1RTr8gfg2qojWNZ50D8nN6ujTIDunmG1vbckovQI3ppO50iyvqlXw6zQUp0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723738205; c=relaxed/simple; bh=j2uYupfeKSgh0DfZRYYlMyC99HExdau3jIZqN4BrbAk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=A1xM8khtX3sP3kwwlB32iDOVZrGMwAaZc96q8Mhl8cDATmc20fArKQKW2ZcNz7rxXs14ja5coams8Q6bJvx5cqZWVWzOldKlq+uGLlO6dYWxRXr4LHtDNIpxewOPo8eMVyuRXVL4QAGg06blBKztJoLOpAO84jXiw2y3zB6NLnw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-39a1f627b3dso12602085ab.1 for ; Thu, 15 Aug 2024 09:10:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723738203; x=1724343003; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=+48SOAuLFWa3vOYJchc0yB8E8pO6GvAZqc/FFORHhSw=; b=k+uClnM/AKudKAxUSyECbXkJU79Isi9ZpjzGZRY6oNxQzSTlop7T6z0TeSbvIt7kGo t+0x4kGyyYM95m+g75s2KzPN9zvRXQzvVlpJEBAOaFIE6XFFHOPpeb/fBWYtxBS8NQ3I 6ug4KezcGh72uyH8Rc/KuOj0UmQfT2RNBPTzO81zQhonXV/N9jvuJ0ARjFciJReoRMiC eIavy+L74rOfTkbl8IWQl1lWmnAU8/3BpyIIjvx62Dsy+ybrhywvbZNMDBRyR5+0iQcx djdchsTykhu2d4B1kj/RntMdoAPdj3kRYn+Q2fcbs2vAqmjqhKzkCxw25YknoaSJDKXA RAlg== X-Forwarded-Encrypted: i=1; AJvYcCUlXRamM4/jijpiHWo6k8u4Z1LC/TQQ2SxrnMXNFY0nT6UatP92zOBEhInlLnqXTM+CY9kKk5lQgw+18CNASX5BwsrHen3CCEy+bpaI X-Gm-Message-State: AOJu0YwZq4GU6Vs8TCS6F51kpt14Im9b3c0C/3n03poFojMabXZDIxeh XgmzEBBlEtn1q2M3S7tYt1eNZrtg09KZD1/HiGAuQ4AgrsC6Ne77nUNUkLM5+/6On6KgzLSdjQM A0Lo/6Hx5SL8viv15XNW49vvwwviizz6kWVRw/kNR0mAGc+Pv6NqOWgQ= X-Google-Smtp-Source: AGHT+IFhijMKxOHvEmejfGCrN0UCTcPcB8Qp17m0Xsh3eQixZLpUkNfc3bISLAfaoqkI5L5Rer4110AXeccsAco0NPqCdduTR/JH Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:164c:b0:397:95c7:6f72 with SMTP id e9e14a558f8ab-39d26d95de3mr190845ab.6.1723738203044; Thu, 15 Aug 2024 09:10:03 -0700 (PDT) Date: Thu, 15 Aug 2024 09:10:03 -0700 In-Reply-To: <0000000000006923bb06178ce04a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004754de061fbb1356@google.com> Subject: Re: [syzbot] [mm?] WARNING in hpage_collapse_scan_pmd (2) From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, borntraeger@linux.ibm.com, david@redhat.com, frankja@linux.ibm.com, imbrenda@linux.ibm.com, io-uring@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, pbonzini@redhat.com, peterx@redhat.com, shuah@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit c88033efe9a391e72ba6b5df4b01d6e628f4e734 Author: Peter Xu Date: Mon Apr 22 13:33:11 2024 +0000 mm/userfaultfd: reset ptes when close() for wr-protected ones bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12f2396b980000 start commit: e67572cd2204 Linux 6.9-rc6 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3310e643b6ef5d69 dashboard link: https://syzkaller.appspot.com/bug?extid=5ea2845f44caa77f5543 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10874a40980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: mm/userfaultfd: reset ptes when close() for wr-protected ones For information about bisection process see: https://goo.gl/tpsmEJ#bisection