This is a note to let you know that I've just added the patch titled
net: ipv6: fix return value check in esp_remove_trailer
to the 5.15-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:
net-ipv6-fix-return-value-check-in-esp_remove_trailer.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From dad4e491e30b20f4dc615c9da65d2142d703b5c2 Mon Sep 17 00:00:00 2001
From: Ma Ke <make_ruc2021@xxxxxxx>
Date: Sat, 7 Oct 2023 08:59:53 +0800
Subject: net: ipv6: fix return value check in esp_remove_trailer
From: Ma Ke <make_ruc2021@xxxxxxx>
commit dad4e491e30b20f4dc615c9da65d2142d703b5c2 upstream.
In esp_remove_trailer(), to avoid an unexpected result returned by
pskb_trim, we should check the return value of pskb_trim().
Signed-off-by: Ma Ke <make_ruc2021@xxxxxxx>
Signed-off-by: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/esp6.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -776,7 +776,9 @@ static inline int esp_remove_trailer(str
skb->csum = csum_block_sub(skb->csum, csumdiff,
skb->len - trimlen);
}
- pskb_trim(skb, skb->len - trimlen);
+ ret = pskb_trim(skb, skb->len - trimlen);
+ if (unlikely(ret))
+ return ret;
ret = nexthdr[1];
Patches currently in stable-queue which might be from make_ruc2021@xxxxxxx are
queue-5.15/net-ipv4-fix-return-value-check-in-esp_remove_trailer.patch
queue-5.15/net-ipv6-fix-return-value-check-in-esp_remove_trailer.patch
