From: Jeff Kirsher <jeffrey.t.kirs...@intel.com> Date: Mon, 05 Mar 2018 11:09:29 -0800
> On Mon, 2018-03-05 at 10:23 -0800, Eric Dumazet wrote: >> On Mon, 2018-03-05 at 10:16 -0800, Jeff Kirsher wrote: >> > From: Pierre-Yves Kerbrat <pkerb...@kalray.eu> >> > >> > Descriptor rings were not initialized at zero when allocated >> > When area contained garbage data, it caused skb_over_panic in >> > e1000_clean_rx_irq (if data had E1000_RXD_STAT_DD bit set) >> > >> > This patch makes use of dma_zalloc_coherent to make sure the >> > ring is memset at 0 to prevent the area from containing garbage. >> > >> >> This looks like a net candidate, fixing a bug, with 0 chance adding a >> regression IMO. > > I am fine with that. Dave, let me know if you want me to re-submit > this change for net/stable. Yes, please add this patch to the net-queue pull request you also sent today. Thanks.
