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| author | Justin Iurman <justin.iurman@gmail.com> | 2026-05-22 13:20:13 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-05-25 11:08:00 -0700 |
| commit | d47548a36639095939f4747d4c43f2271366f565 (patch) | |
| tree | 4a6219fc9e1f35ee4db95635693c9e4d4a2c4ffd /net | |
| parent | f7b52afe3592eae66e160586b45a3f2242972c63 (diff) | |
| download | linux-next-history-d47548a36639095939f4747d4c43f2271366f565.tar.gz | |
ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()
ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers.
Let's recompute nh pointer to make sure any change won't mess things up.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Justin Iurman <justin.iurman@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260522112013.12342-1-justin.iurman@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/exthdrs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 6d92c02d0e3dc..aca2a2abd2dfc 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -184,6 +184,8 @@ static bool ip6_parse_tlv(bool hopbyhop, case IPV6_TLV_JUMBO: if (!ipv6_hop_jumbo(skb, off)) return false; + + nh = skb_network_header(skb); break; case IPV6_TLV_CALIPSO: if (!ipv6_hop_calipso(skb, off)) |