This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1636656
and then change the status of the bug to 'Confirmed'.
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the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1636656
Title:
[Hyper-V] netvsc: fix incorrect receive checksum offloading
Status in linux package in Ubuntu:
Incomplete
Bug description:
The Hyper-V netvsc driver was looking at the incorrect status bits
in the checksum info. It was setting the receive checksum unnecessary
flag based on the IP header checksum being correct. The checksum
flag is skb is about TCP and UDP checksum status. Because of this
bug, any packet received with bad TCP checksum would be passed
up the stack and to the application causing data corruption.
The problem is reproducible via netcat and netem.
This had a side effect of not doing receive checksum offload
on IPv6. The driver was also also always doing checksum offload
independent of the checksum setting done via ethtool.
Signed-off-by: Stephen Hemminger <sthem...@microsoft.com>
https://patchwork.ozlabs.org/patch/685660/
When this patch is committed I will include the commit ID in this bug.
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