From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-185.mta1.migadu.com (out-185.mta1.migadu.com [95.215.58.185]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53E04156676 for ; Wed, 15 Jan 2025 03:45:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.185 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736912744; cv=none; b=BkID3A4r7kueC0GFm22Q1XcrcHvPbifkMcFzQ29V9t8YAcPn+xVzrN/flI6fwoFft236YpIRlcrLRZt6l6BDZvHPhzUMBN4gU9JaZTwik7EbxRdr1aKaeZ19qSZHBnHc0bE65HUr/y/DVDWfprsmhFi3P3kb+234wj0lURuILWg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736912744; c=relaxed/simple; bh=IPxMYx3IhnZvXtEDEuupB5ZH1kD5xwEfC03f6ZDbRfc=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=jFM75IFxqRBmeozQt1C1HgAnV8ROn8fquehgncg/nIJ1BOxHrt17/9xYPAKLO0lq3uo6m8I36csQI9Ta9/5VPkFhK+8Z5d5Yon+6o5VAiJokQvMxtIKs7hZ/j4DwVew+RjyJrgXHyx6FwB4rESEISPeh5P8qJK60iL8pHtUZtSQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=HikuW5qP; arc=none smtp.client-ip=95.215.58.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="HikuW5qP" Content-Type: text/plain; charset=us-ascii DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1736912739; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JmTmd+e54RHHQ8LmzVE1tbtbU//JEvTz4jUsAJD7ces=; b=HikuW5qPQtudqrlxRbfbGrp8nKptUYjLXUGv1UEvMrIzJ3Dn5MuVdXq0O9P12IJ7Ps/OKF s5Bpe4UUmJUi8M0w8JunRzDNeW7wBAS26zT4638L52+Qb8/mX+NeUhwQ3wXZo7UB10+iYv G17RBZ6HT1fjeJ+ebM+nsq8kPGkl0CA= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.200.121\)) Subject: Re: "kernel BUG in update_and_free_pages_bulk" in Linux Kernel v6.12-rc4 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: Date: Wed, 15 Jan 2025 11:45:01 +0800 Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: References: To: cheung wall X-Migadu-Flow: FLOW_OUT > On Jan 15, 2025, at 10:17, cheung wall wrote: > > Hello, > > I am writing to report a potential vulnerability identified in the > Linux Kernel version v6.12-rc4. This vulnerability was discovered > while i was testing the kernel. Thanks for your report. I'll fix it later. Thanks, Muchun > > Linux Kernel Repository Git Commit: > 42f7652d3eb527d03665b09edac47f85fb600924 (tag: v6.12-rc4) > > Bug Location: update_and_free_pages_bulk+0x657/0x810 mm/hugetlb.c:1860 > > Bug report: https://pastebin.com/q8J3z5Gq > > Entire Log: https://pastebin.com/AQF101kq > > Thank you for your time and attention. > > Best regards > > Wall