From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 0C7F4191F62 for ; Mon, 30 Sep 2024 14:33:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727706786; cv=none; b=M1KgR6N1rXSTt918SJL0d5SDM53AVRopAYKLcC1VYdfuH4hAsX/ZYJrQdzr9px2fXenllB+bG4Kj9N0b5rwhk5mf7KhWJXzi07DB8BFvsw/fqCFE0Y9kdgCf/bcvKbuFNsd5ji0Gsukzxa+5rIHSqVkp1WwlrCaYSoFJyIFnTnA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727706786; c=relaxed/simple; bh=vN7O15tK2BLESm50cAZM9T3gywE1I9dZ2aruNC5ZOIA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=o3nggQlOZIjiOO8OE4yyIbUHHlfcMb1aqzkJ1psnsgWmVzKcspl6fzK0BwMjdzO3xkC4BWHM3NroOJRMfaKliPiwlAoYGogZlzF+MgGWmpva1gHFWpFZVyfzqFqbKDOaVRXs3gIpaUl3FUsDOFmdO1BhwM5b1bdjfffCC9fQfnQ= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3a0cadb1536so51100765ab.3 for ; Mon, 30 Sep 2024 07:33:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727706784; x=1728311584; 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=nZlWn4GQihalOzDF/9yzo68kjIpPrw334qaq0jlz824=; b=JRNPmDB7LhYzF0M7/lcAK619dt8YykoTj/ktuyGk18j0cZ69XewJOIX7Bm2o2XVa40 EVSZIm1rHgvkeD8EE9xKDmpS3V8cW1iECx8LPPr+j8bgmvyg7/IaCLNrbNkaR2jFnP16 911jCgh72TRdPiN0PmQV6D82HxCMI6dOkGPRmKHGXSe59H+oKS6V4QVs9SsJNOweIUgl lHWZcEo4AThr/MCpcOKDyBQczD9WyLZG3H+5/Q7UqrCcudOyzUMxCeYBnaDxIIcznc2U X3CErZSErRCgaVdYfq2+Q3bYSC9dX1QLjFVFSMp3z2VG2spxpC1IZI8uTBtnZ0Y1S3Kh Ib5g== X-Forwarded-Encrypted: i=1; AJvYcCUPmHP3Xn9+PX9FvOkjsc5eMo5nclEie9+miSNfXV/6GBtWSNyVtlRW30p1Oz3zKuw5x/sO4r6JY/CrMmE=@vger.kernel.org X-Gm-Message-State: AOJu0Yx3w+yFpygpc66pLt6DnPas03l+yRqvDgksRxZuVKNhTb0sXzHu lpCj4bHg07fmH+fJVO10WzVnF/bUfqBC4Y78lHCgPrHSNDD3qLTon6qP9wu6hYjyVK+r3QfWen/ fpAQLMAg4rtWPb6w85CiiiyNZdxazP9iVRrq/r8uhq/s8o9EG7LRuv9A= X-Google-Smtp-Source: AGHT+IFsVdlV+j24mioSDDLUpfhbhtP1uetaTMEtW0ogCaUg5A/uJT3O8v/Tmgx/4CGpM3wuKnT+rEK/4pkTQE36lkSErnyMJRCh Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:cd87:0:b0:3a3:3a5e:a337 with SMTP id e9e14a558f8ab-3a3451aee34mr107416245ab.16.1727706782697; Mon, 30 Sep 2024 07:33:02 -0700 (PDT) Date: Mon, 30 Sep 2024 07:33:02 -0700 In-Reply-To: <000000000000b7b11a061ab49122@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <66fab69e.050a0220.6bad9.003d.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in __page_table_check_ptes_set (2) From: syzbot To: akpm@linux-foundation.org, david@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, pasha.tatashin@soleen.com, peterx@redhat.com, syzkaller-bugs@googlegroups.com, usama.anjum@collabora.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit a1b92a3f14984c96ace381f204b5d72c0805296e Author: Muhammad Usama Anjum Date: Fri Feb 17 10:55:58 2023 +0000 mm/userfaultfd: support WP on multiple VMAs bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15d9cea9980000 start commit: 3efc57369a0c Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17d9cea9980000 console output: https://syzkaller.appspot.com/x/log.txt?x=13d9cea9980000 kernel config: https://syzkaller.appspot.com/x/.config?x=a4fcb065287cdb84 dashboard link: https://syzkaller.appspot.com/bug?extid=0b56d6ed0d0c0c9a79dc syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17a7de80580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b67507980000 Reported-by: syzbot+0b56d6ed0d0c0c9a79dc@syzkaller.appspotmail.com Fixes: a1b92a3f1498 ("mm/userfaultfd: support WP on multiple VMAs") For information about bisection process see: https://goo.gl/tpsmEJ#bisection