From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 3139E78C80 for ; Wed, 3 Jul 2024 08:21:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719994865; cv=none; b=mXj1vLCQCjSLEQVuuEt+T9CD+1DH8w2eW9ST7m0d5/eC6WABRIyN2wjZbP63t5D8H3PR9QnalBYf9q/WS95/EHLgZFGscZA3D8/exn48APfjHr+dpNvueUhzf3nRec11pSf5pVjvT6iHeP6NzXZkifpMOD1mWvOFQ8eBcrikvTs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719994865; c=relaxed/simple; bh=5EeNLDbaCR0N6NdHgXDj5tI3C4XZ/bbEbRtbUxi5RjY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=KiCqYJ+uigqio9hFdtLMQHMfDz0JVLwSkW+jcBbP5O5CFEOLdFpbBVOqpsJxQ78+DoHZeP+KTxaKGxRILEYE7qDOG0aa7BENtLo5DRQtIENX7v4Fd0EdbxRJCogAJ2U14iaZYTNEN71uRGQ9lzHrJKyPByFb9g7jE01N37GZlGg= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-7ec0802fd0dso600739139f.0 for ; Wed, 03 Jul 2024 01:21:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719994863; x=1720599663; 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=uv3JDPq7U0oHg4wZiNOE9tV+9SYe0QJ90WEQ1XWXnag=; b=Q1igxIaXRPUgGHVB6Pxrc9XC/BIVyMyuhw1/SSeN4hBt0MH5+NCtM4V8Ib+5CjeAT1 3/sTe62xcIV8uD/V5G+hQRvfENiT4qaWpGtSd8tuHoXkzpyFtAG5boo6AspY6TS+LXTj EzEL8yjN/yuOLAKBN5knXa88nepbJXTCpQAjXXFkA1Sg6wEoNIpKZd3qC/7OmBOdIhRw I36P4oL4zAQgg7UlkRq6FjdtdSIlT2cd+Lak6ybgooNTKWrGeKRC67F948aQA+0WYfRg F5uyeXrL5rGVJvrDeqkDfW62/kN/W8kPvy5KIK1HAMVpxNwYsrgg9k6Ytx1JZ0kjGfZ8 Rt2g== X-Gm-Message-State: AOJu0YxFjxi6Bjb+QRoJkradJgo4kCUdLDH9/i0ztMSSOy+M4Ql44aui cfF8lzvVAmU+JJ6SbbU82WaeWGs66MFlEDO1pRQlgP8/lvlEdSlx0kA8+rD/hN0TWOZKi4npLfQ p0nGPoN0wgTVfapIfCP8XxscgnGT52HXBhF17pmXB9Uqv9/GKQ8CxMrA= X-Google-Smtp-Source: AGHT+IFG83GtReZYvKh96dJgml71qunS/pxN7LvL7qe3EwIZu5r78Hnd9U9uopcVqagfOFq5iLMWgr813U8qHuLZ/RE2qialWvZN Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2c8f:b0:7f6:5c77:ce33 with SMTP id ca18e2360f4ac-7f65c77d27amr17086039f.0.1719994863354; Wed, 03 Jul 2024 01:21:03 -0700 (PDT) Date: Wed, 03 Jul 2024 01:21:03 -0700 In-Reply-To: <20240703073158.643823-2-radoslaw.zielonek@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d89405061c5382f2@google.com> Subject: Re: [syzbot] [mm?] INFO: rcu detected stall in validate_mm (3) From: syzbot To: linux-kernel@vger.kernel.org, radoslaw.zielonek@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed 2024/07/03 08:20:07 parsed 1 programs 2024/07/03 08:20:07 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67 mkdir(/syzcgroup) failed: 17 mount(binfmt_misc) failed: 16 write(/proc/sys/fs/binfmt_misc/register) failed: 17 SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed (errno 17: File exists) Tested on: commit: dccb07f2 Merge tag 'for-6.9-rc7-tag' of git://git.kern.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=1657d115980000 kernel config: https://syzkaller.appspot.com/x/.config?x=7144b4fe7fbf5900 dashboard link: https://syzkaller.appspot.com/bug?extid=a941018a091f1a1f9546 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=10a5a915980000