NACK/Cmnt: [SRU][F:linux-bluefield][PATCH V1 0/8] Fix fragmentation support for TC connection tracking

[Stefan Bader]

On 27.08.21 00:43, Bodong Wang wrote:
> When using OVS with tc to offload connection tracking flows, sending udp/icmp
> fragmented traffic will cause call trace with NULL dereference.
> 
> This series contains 7 patches from upstream which fix act_ct handling of
> fragmented packets. And revert a patch which is covered by the 7 upstream
> patches.
> 
> V0->V1:
> Fix backport commit message for patch 1/8
> 
> wenxu (6):
>    net/sched: act_ct: fix restore the qdisc_skb_cb after defrag
>    net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct
>    net/sched: fix miss init the mru in qdisc_skb_cb
>    net/sched: act_mirred: refactor the handle of xmit
>    net/sched: sch_frag: add generic packet fragment support.
>    ipv6: add ipv6_fragment hook in ipv6_stub
> 
>   include/linux/skbuff.h    |   1 +
>   include/net/act_api.h     |   6 ++
>   include/net/ipv6_stubs.h  |   2 +
>   include/net/sch_generic.h |   8 +--
>   net/core/dev.c            |   2 +
>   net/ipv6/addrconf_core.c  |   8 +++
>   net/ipv6/af_inet6.c       |   1 +
>   net/openvswitch/flow.c    |   1 +
>   net/sched/Makefile        |   1 +
>   net/sched/act_api.c       |  16 +++++
>   net/sched/act_ct.c        |  29 +++++++--
>   net/sched/act_mirred.c    |  21 +++++--
>   net/sched/cls_api.c       |   1 +
>   net/sched/sch_frag.c      | 150 ++++++++++++++++++++++++++++++++++++++++++++++
>   14 files changed, 231 insertions(+), 16 deletions(-)
>   create mode 100644 net/sched/sch_frag.c
> 
A v2 was sent!

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