Re: Linux 6.6.138

[Greg Kroah-Hartman]

diff --git a/Makefile b/Makefile
index 11d81cfd9dcc..7878fd783212 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 6
-SUBLEVEL = 137
+SUBLEVEL = 138
 EXTRAVERSION =
 NAME = Pinguïn Aangedreven
 
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 4256c7ee5939..d307e487b3a4 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -873,7 +873,8 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
 			nfrags = 1;
 
 			goto skip_cow;
-		} else if (!skb_has_frag_list(skb)) {
+		} else if (!skb_has_frag_list(skb) &&
+			   !skb_has_shared_frag(skb)) {
 			nfrags = skb_shinfo(skb)->nr_frags;
 			nfrags++;
 
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ff8040101193..305d0e2786a2 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1230,6 +1230,8 @@ static int __ip_append_data(struct sock *sk,
 			if (err < 0)
 				goto error;
 			copy = err;
+			if (!(flags & MSG_NO_SHARED_FRAGS))
+				skb_shinfo(skb)->flags |= SKBFL_SHARED_FRAG;
 			wmem_alloc_delta += copy;
 		} else if (!zc) {
 			int i = skb_shinfo(skb)->nr_frags;
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index f3305154745e..3a5fd0da8702 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -921,7 +921,8 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
 			nfrags = 1;
 
 			goto skip_cow;
-		} else if (!skb_has_frag_list(skb)) {
+		} else if (!skb_has_frag_list(skb) &&
+			   !skb_has_shared_frag(skb)) {
 			nfrags = skb_shinfo(skb)->nr_frags;
 			nfrags++;
 
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 74145d05ddd2..a824c707dfff 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1829,6 +1829,8 @@ static int __ip6_append_data(struct sock *sk,
 			if (err < 0)
 				goto error;
 			copy = err;
+			if (!(flags & MSG_NO_SHARED_FRAGS))
+				skb_shinfo(skb)->flags |= SKBFL_SHARED_FRAG;
 			wmem_alloc_delta += copy;
 		} else if (!zc) {
 			int i = skb_shinfo(skb)->nr_frags;