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 DB3BD3D4119; Fri, 28 Aug 2026 06:53:13 +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=1787899994; cv=none; b=MVqDA9/aGfqzPMrwbbCOtRREqw1I3jrE6U1f8pTE58mGA3ytaDAhVpFc+RO3IblLQ4s2/tTmfRr4vWuBLwLIQ6NYhjGR74WkL5GJ2yT68u6eOw3IWP2rk1qLd+6y3MIHGPmxyXmD7799UKr+1x5zyLWqXc5Ej3EM132F7dbJWIw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787899994; c=relaxed/simple; bh=wtKVJC4Unc97CEohmGNB8ztybcB+BsLp7Wtz9ep9fq0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=d6Ui9J8nvmTwbdkXpS6VHNmmdgpQ/aPZzFWbcHyUXF7qPsrM7UUXa9koqfstlavb/R02q2E+DyCLgqZsAjxcg8G2LMMlmgXqI/9ZIJOu2gy42odFcAtAmygXoAg7PF37oEbBKw25KTbR6NAG61b+Jqhgh/UuoQD3oKkizFF4Z3k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Y0eGbW9F; 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="Y0eGbW9F" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40DE51F000E9; Fri, 28 Aug 2026 06:53:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787899993; bh=9+S4bc4iVGK4FXCDTtB1q32fAl3V1ONUWSDGoisHMIc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Y0eGbW9FOet+dioiMnm2G5bs2AMB0FBFUBzspwsI4k/KBQ0gjhZs8lOjpPqbaAOnm 8Y8AMnzMedVFJhHg1oI4E7erequUGXPEcoAlCs0rAE0bRxKX0kF6QgwLcX3+hoYe+P 9/0zjwopHIt6Kawacxe+SLsyCJJv5lGVL4EGwR3U= 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 5.15.219 Date: Fri, 28 Aug 2026 08:49:27 +0200 Message-ID: <2026082827-laborer-relish-a0f6@gregkh> X-Mailer: git-send-email 2.55.0 In-Reply-To: <2026082827-mankind-mandate-ca8f@gregkh> References: <2026082827-mankind-mandate-ca8f@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 9d11ba195a16..d74985973e40 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 15 -SUBLEVEL = 218 +SUBLEVEL = 219 EXTRAVERSION = NAME = Trick or Treat diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 7922b10f360e..6e6b46ebfc40 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