On 03/06/2019 02:28 PM, David Miller wrote:
> From: Captain Wiggum <captwig...@gmail.com>
> Date: Wed, 6 Mar 2019 15:26:43 -0700
>
>> We are using the TAHI Self-test tools from IPv6 Ready Logo Program:
>> https://www.ipv6ready.org/?page=documents&tag=ipv6-core-protocols
>>
>> The test passed up to 4.9.133, then fails ever since.
>>
>> The are about 20 failing test cases regarding IPv6 fragments,
>> where the kernel is issuing an ICMPv6 parameter problem pointing
>> to the Fragmentation Header.
>>
>> I see lots of commits regarding improving fragment processing.
>> Has anyone else run TAHI tests on kernel 4.9 or later?
>> Is there any interest in looking into this to improve
>> the IPv6 functionality?
>
> It is intentionally failing those tests to fix a denial of service
> issue with ipv6 fragmentation and this will therefore not be changed.
That was Florian patch that was later reverted, right ?
0ed4229b08c13c84a3c301a08defdc9e7f4467e6 ipv6: defrag: drop non-last frags
smaller than min mtu
-> reverted in
d4289fcc9b16b89619ee1c54f829e05e56de8b9a net: IP6 defrag: use rbtrees for IPv6
defrag