From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 5A5AF27C17E for ; Tue, 22 Jul 2025 16:22:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753201326; cv=none; b=QDP9i21q8ctTK+rio9U4jWhrjZ7iphb85VV5In7D4lAgnuacH/tWjCZyGUyBvi2sDzTIU1pG358ObuX0BanfdoRBgo+BpgDC6GDWVnxNFxaZVsos3YcIUqZF0XDxnZ+1cYGbgBjru9oURTDG4LCJ7BHZ7u4N0dQh03QfAGSNH10= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753201326; c=relaxed/simple; bh=iXjjiU6hqG+cYm5BeVToCglsiiSmbBhJwlbz/CzmH7U=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=GQg2xlepUW3MOwlsjN60EWbKhNlPgbKgx+J0fOehWbaEr6b0HSWCFixYGCYmTfkDoJIwsgBrNze1ZxbalWAgNkkycIbvsbU7XReSUHjJfib3Z7GVicx7Nte4SrTQnzdpwdsGQZ5IHXCdoAzjJfi0Jk59SztnM5hRq5DjgygokAI= 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=209.85.166.70 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-f70.google.com with SMTP id ca18e2360f4ac-87c13b0a7beso397707739f.1 for ; Tue, 22 Jul 2025 09:22:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753201324; x=1753806124; 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=qKcb9d5VYbBm3vwRPDTQMq9UG6EGDzgJ2Zl3aeuMVAo=; b=ImdU90Uj+Wl54RqCDqzI3E6UH3fXkc4FWZh/Vmgm6aeTjUkl4ndlo1fjQ7mVZ7HmXC VKFJBy+Ms2LraWcJdGFQTQ/HOxJl2zmKKyd3BQ681MMTLdzslXi9kbP++ip/UjDcpw82 4iFYU3oFy4wenojvuDmqn6NjEm6p5KwCEBp7jU9hYpPbzEEzNhcNbWaayBkZXluyzCPM 60c1BY7MUQPXgMpjs3hSC1TuEzk07DJliHkrrlBIjk2DX84Y/qmgMl0REeD2sJmAe92/ /Im0LkkR9i3zeCjdVh3njyaa5fmx2oHCxqfTe800mes4rw3bThW3vK/kwss/Uw2LnqbK uNGg== X-Forwarded-Encrypted: i=1; AJvYcCWeL977OTlf1zZ20MTYZcEXW5LDuOzXWLIMCbY291oppxyOBvVcQtwlzlpdrIqToDFunPDI6cOiYtaIfcA=@vger.kernel.org X-Gm-Message-State: AOJu0YxACDUOVn9ObYB0B+rHTbms7k9bomK3RE9rRiXz5LAFuIHbOxjX aGnSblPDxt9TOGiW8hEr0QGNrQAkX6ZdbS+JlOBrysR1jPT14ttmJkj7o3OCC6TIM86d/52Qu+t IFI5dh49bnRx2VB7xp+adF3u20l6iwzZfdY3y5YUDD6b6N2yXpl9TVMzelfE= X-Google-Smtp-Source: AGHT+IEjL1mozCzBJQRzAzQ5dF6Q5DIYhGWoBlkJ4tgme0WaCm0pYazgz+pZKutlxb0ZteK9vhhdO0FWAt7myt02kxDMYp52slTN Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:1348:b0:879:66fe:8d1e with SMTP id ca18e2360f4ac-87c0138865bmr3099989639f.8.1753201324361; Tue, 22 Jul 2025 09:22:04 -0700 (PDT) Date: Tue, 22 Jul 2025 09:22:04 -0700 In-Reply-To: <4ca54a2c-46c8-435b-af72-7f871236eeb2@lucifer.local> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <687fbaac.a70a0220.21b99c.0010.GAE@google.com> Subject: Re: [syzbot] [kernel?] INFO: task hung in exit_mm (5) From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, jannh@google.com, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, mjguzik@gmail.com, oleg@redhat.com, pasha.tatashin@soleen.com, pfalcato@suse.de, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, vbabka@suse.cz Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+1c6607097b258f18065c@syzkaller.appspotmail.com Tested-by: syzbot+1c6607097b258f18065c@syzkaller.appspotmail.com Tested on: commit: b659a6dc selftests/damon: introduce _common.sh to host.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable console output: https://syzkaller.appspot.com/x/log.txt?x=171ecfd4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=7e150e8ba2089ab9 dashboard link: https://syzkaller.appspot.com/bug?extid=1c6607097b258f18065c compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.