Re: [PATCH] Net: ethernet: ti: netcp: Fix inbound ping crash if MTU size is greater than 1500

From: David Miller
Date: Wed Jan 17 2018 - 16:20:31 EST


From: Rex Chang <rchang@xxxxxx>
Date: Tue, 16 Jan 2018 15:16:01 -0500

> In the receive queue for 4096 bytes fragments, the page address
> set in the SW data0 field of the descriptor is not the one we got
> when doing the reassembly in receive. The page structure was retrieved
> from the wrong descriptor into SW data0 which is then causing a
> page fault when UDP checksum is accessing data above 1500.
>
> Signed-off-by: Rex Chang <rchang@xxxxxx>

Applied, thank you.