From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 E201833E360; Fri, 28 Aug 2026 06:53:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787900000; cv=none; b=rHjghUoMPM+Y8O/g571qM6VGjX91AXpDuhjAZicGj/G1Sz1Y6OwIHANvBurlzP0ccIArB7eNn5tsUtbmZ8JRgu16vAfkpUvIK809KWrhE7+Eqz8fl2xaCVy98I0Yl5fh4M4n9A2CjUIovT/5Mnx9fCtfWNMOvxPz4NDXE+mjboM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787900000; c=relaxed/simple; bh=O2YSVDaG6/IhIaWmBsKvQwpQJGBr00z8FlsljnMoIjM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uvP0H4pUgER9hZ0RrM4VCahcw632/ASuMg/W5goESkDaoOPh9zBHjQE9LO7K53C6n8pMIFAuM8VFm+3atmfGV9PPY2Tz+gnoZVphIKbpQYqR+X+2hceRp1FGbp2QzNoKSCD0KfxdbEjZXt/4F0RDxg5CELOa6X5uCYp2YdWwydE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=EY/SBZJz; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="EY/SBZJz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09D2B1F000E9; Fri, 28 Aug 2026 06:53:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787899996; bh=a/oKmYcPetHn5PUKcxWyjsFT3dtBD+PsSwmrFvUuVP4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=EY/SBZJzCj/CLM7dJch4Z1nKTwy4sfkcK9r+MoTQ+vsvFrAq4JIJdD97bEdLMC7g3 xodJlRmzV7i/EZzuJtG8IwBkn8F9vALRjfwH06R/yBFvs4mcVfbuAmM8mV9Qc1QQrI SXlTjNICMzAiv7OIX5RB7QdFKsXVjKqiRbYVuQws= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, torvalds@linux-foundation.org, stable@vger.kernel.org Cc: lwn@lwn.net, jslaby@suse.cz, Greg Kroah-Hartman Subject: Re: Linux 6.1.186 Date: Fri, 28 Aug 2026 08:49:33 +0200 Message-ID: <2026082833-blah-rimless-2750@gregkh> X-Mailer: git-send-email 2.55.0 In-Reply-To: <2026082833-disclose-numbing-29e5@gregkh> References: <2026082833-disclose-numbing-29e5@gregkh> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit diff --git a/Makefile b/Makefile index 6f596e155f7b..4d31942b6800 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 6 PATCHLEVEL = 1 -SUBLEVEL = 185 +SUBLEVEL = 186 EXTRAVERSION = NAME = Curry Ramen diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 0cfad7ab9f96..9586bbbe92f9 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -384,6 +384,13 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, { struct sk_buff *last = q->fragments_tail; + /* An IP fragment is never a GSO packet, but an untrusted source + * (virtio_net_hdr) may have attached GSO metadata to it. Do not let + * that reach the reassembled skb, whose head keeps the first + * fragment's shinfo and whose frag_list is not GRO-shaped. + */ + skb_gso_reset(skb); + /* RFC5722, Section 4, amended by Errata ID : 3089 * When reassembling an IPv6 datagram, if * one or more its constituent fragments is determined to be an