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The commit59a0b022aa("ipvlan: Make skb->skb_iif track skb->dev for l3s mode") fixed ipvlan bonded dev checking by updating skb skb_iif. This fix works for IPv4, as in raw_v4_input() the dif is from inet_iif(skb), which is skb->skb_iif when there is no route. But for IPv6, the fix is not enough, because in ipv6_raw_deliver() -> raw_v6_match(), the dif is inet6_iif(skb), which is returns IP6CB(skb)->iif instead of skb->skb_iif if it's not a l3_slave. To fix the IPv6 part issue. Let's set IP6CB(skb)->iif to correct ifindex. BTW, ipvlan handles NS/NA specifically. Since it works fine, I will not reset IP6CB(skb)->iif when addr->atype is IPVL_ICMPV6. Fixes:c675e06a98("ipvlan: decouple l3s mode dependencies from other modes") Link: https://bugzilla.redhat.com/show_bug.cgi?id=2196710 Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.