From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 56BAB11725 for ; Mon, 10 Jun 2024 06:41:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718001665; cv=none; b=eGcJDaLt9vZ+eM7yWMKdOXemOTozMyx56UrCUa9JZmSkmSgCHwr1iSV24ff1B73czTI/+VKG3WjXKlo8uZQ/nJGKHyrjthrlT8KIs7EqiSqVN6hI/oeWp/AbZfkrUysi1c0H7KDOX+JomLZEdeqpzJ1P/KkybEtr5FGVGJZgOhc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718001665; c=relaxed/simple; bh=98ieg/cde//OTWMmliLOuelMNzAd4GX0SgVonSrQHeQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=cunbFiG8lF77qA5A3q9TyYM/QJHSvprOZfCv+WBcId2f2Nszohqvx+XftbIkqXVdD6Qa/fZxC1x7XyXIuu+SY1toqlLvTknrwD6pThEZO5qJ+sBTajlprbTDjWHisPeyrk5NElhVTjl0wihG0hpbqs7Q3kkJHuPM1ps45XmGON4= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-7eb7cf84c6cso122291239f.0 for ; Sun, 09 Jun 2024 23:41:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718001663; x=1718606463; 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=uQsBqkk32ikBJNFCWFdQbHJ972MB7cWh+PL5hVVVQwo=; b=MfWnbqITYHPyu+pO+XeQChruJ4PFRBrWVmRYv3r1cihifaTitmzItp5thiMlvXLcXn K0CfHl52l5YP6UXEdqEsxqS54tk162SmcmAXznlBva/zg4k8f9v8OjEQavUFnF/fh1g1 x6088tOPoWv3GW35hJkSfddUr3ciCkx4JI1uZMhbIUxIrxLold4JOxLU3IG9hyFh1iJZ pf/TbrI4IVI4AUFX1be+LIlCRGXZASrJWytvNO3CkY9rU0l1TeQ4fTJyC3E9lO7LMvm1 Ansjc2CCNYwy76sQjm0O3OvCizZ5/A+W2hlJhZymOBzT+3wCWCh8SlxWiMgGrGzkSGrr vg3A== X-Forwarded-Encrypted: i=1; AJvYcCWrLzuurWn02bwLdW2fL2M9r8VPEgbwPL3mGPvuud2fJdGOqyfKE8mNjXCYrJabXgm9cGDphH/rBoT1BiXLHb+0DkEChMMSh3uv4Ony X-Gm-Message-State: AOJu0YxplQhO1s7RhRjIaPwdhgPtPe/D+vWB/8iWEIstV8ClXXmyNc9o ufDJoD/lBBSWbn9PBQZ1Ae6n1W6/dhn2maUdTzVmVZXJ6AtzEFAaFbFOwiaKz8ub1pPXigQRVTe L8PJr9XkNjESbqRS66ZVlEYYoFzvulz1IJT7JBMj5ZwVxhnFxjfSHYc8= X-Google-Smtp-Source: AGHT+IFkNdIwSPeERkP6c3etIHOS/lMPBlpCPwSSt9/oGMTtFUpU5IGfqAqpJUspbuH+/XwJ41jkOcor7hXs3bJkm5Krjk3AGG/E 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:b23:b0:374:9c67:1dea with SMTP id e9e14a558f8ab-375804362c3mr4249895ab.5.1718001663484; Sun, 09 Jun 2024 23:41:03 -0700 (PDT) Date: Sun, 09 Jun 2024 23:41:03 -0700 In-Reply-To: <000000000000e5738d05f0f46309@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e034e7061a836eb4@google.com> Subject: Re: [syzbot] [mm?] INFO: task hung in __unmap_and_move (4) From: syzbot To: akpm@linux-foundation.org, hdanton@sina.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, liushixin2@huawei.com, syzkaller-bugs@googlegroups.com, tujinjiang@huawei.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 0fd44ab213bcfb26c47eedaa0985e4b5dbf0a494 Author: Liu Shixin Date: Fri Mar 22 09:35:54 2024 +0000 mm/readahead: break read-ahead loop if filemap_add_folio return -ENOMEM bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10fabe96980000 start commit: 72a85e2b0a1e Merge tag 'spi-fix-v6.2-rc1' of git://git.ker.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=4db06888b17328d6 dashboard link: https://syzkaller.appspot.com/bug?extid=b7ad168b779385f8cd58 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143d0688480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154e3cac480000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: mm/readahead: break read-ahead loop if filemap_add_folio return -ENOMEM For information about bisection process see: https://goo.gl/tpsmEJ#bisection