Patch "ipv4: raw: Fix sending packets from raw sockets via IPsec tunnels" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    ipv4: raw: Fix sending packets from raw sockets via IPsec tunnels

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ipv4-raw-fix-sending-packets-from-raw-sockets-via-ip.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 98651caacec4a6d796e3f4def8a1cc3d8255d2d5
Author: Tobias Brunner <tobias@xxxxxxxxxxxxxx>
Date:   Fri Mar 15 15:35:40 2024 +0100

    ipv4: raw: Fix sending packets from raw sockets via IPsec tunnels
    
    [ Upstream commit c9b3b81716c5b92132a6c1d4ac3c48a7b44082ab ]
    
    Since the referenced commit, the xfrm_inner_extract_output() function
    uses the protocol field to determine the address family.  So not setting
    it for IPv4 raw sockets meant that such packets couldn't be tunneled via
    IPsec anymore.
    
    IPv6 raw sockets are not affected as they already set the protocol since
    9c9c9ad5fae7 ("ipv6: set skb->protocol on tcp, raw and ip6_append_data
    genereated skbs").
    
    Fixes: f4796398f21b ("xfrm: Remove inner/outer modes from output path")
    Signed-off-by: Tobias Brunner <tobias@xxxxxxxxxxxxxx>
    Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>
    Reviewed-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
    Link: https://lore.kernel.org/r/c5d9a947-eb19-4164-ac99-468ea814ce20@xxxxxxxxxxxxxx
    Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index c0ef81f0bceeb..ee55d0cbe4e63 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -350,6 +350,7 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
 		goto error;
 	skb_reserve(skb, hlen);
 
+	skb->protocol = htons(ETH_P_IP);
 	skb->priority = READ_ONCE(sk->sk_priority);
 	skb->mark = sockc->mark;
 	skb->tstamp = sockc->transmit_time;




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