Re: Linux 5.10.268

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

diff --git a/Makefile b/Makefile
index 3e1b204d5291..0aadd120b6f6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 267
+SUBLEVEL = 268
 EXTRAVERSION =
 NAME = Dare mighty things
 
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 016b224a17e5..18217537cb29 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -353,6 +353,13 @@ 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