Linux 6.6.155

Linux 6.6.155

[Greg Kroah-Hartman]

I'm announcing the release of the 6.6.155 kernel.

All users of the 6.6 kernel series must upgrade.

The updated 6.6.y git tree can be found at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.6.y
and can be browsed at the normal kernel.org git web browser:
	https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary

thanks,

greg k-h

------------

 Makefile                 |    2 +-
 net/ipv4/inet_fragment.c |    7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

Greg Kroah-Hartman (1):
      Linux 6.6.155

Xinyang Ge (1):
      inet: frags: strip GSO state from fragments before reassembly

Re: Linux 6.6.155

[Greg Kroah-Hartman]

diff --git a/Makefile b/Makefile
index f196561476c3..17803a7f6f30 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 6
-SUBLEVEL = 154
+SUBLEVEL = 155
 EXTRAVERSION =
 NAME = Pinguïn Aangedreven
 
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 1299413bc980..3b47126d606e 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -435,6 +435,13 @@ 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