Files
twx-linux/net/ipv6
Jeremy Sowden d169887d82 netfilter: ip6_tables: zero-initialize fragment offset
[ Upstream commit 310e2d43c3 ]

ip6tables only sets the `IP6T_F_PROTO` flag on a rule if a protocol is
specified (`-p tcp`, for example).  However, if the flag is not set,
`ip6_packet_match` doesn't call `ipv6_find_hdr` for the skb, in which
case the fragment offset is left uninitialized and a garbage value is
passed to each matcher.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-10-17 10:19:48 +02:00
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2021-01-23 15:49:55 +01:00
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2021-06-03 08:38:11 +02:00
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