I am requesting to merge this patch to the stable releases: commit 5a717843177c96ca3fe4565187de395afdb28092
Kernel crashes if MTU is greater than 1500. This code was working in Kernel v 3.14, but got broken when migrating from Kernel v3.14 to v 4.1. Stable versions to apply: v4.1 and v4.4. Thanks! Rex -----Original Message----- From: David Miller [mailto:da...@davemloft.net] Sent: Wednesday, January 17, 2018 4:20 PM To: Chang, Rex Cc: Kwok, WingMan; Karicheri, Muralidharan; netdev@vger.kernel.org; linux-ker...@vger.kernel.org Subject: [EXTERNAL] Re: [PATCH] Net: ethernet: ti: netcp: Fix inbound ping crash if MTU size is greater than 1500 From: Rex Chang <rch...@ti.com> 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 <rch...@ti.com> Applied, thank you.
