[PATCH v1 1/1] net/ixgbe: fix PF link state request mailbox size

Bruce Richardson bruce.richardson at intel.com
Wed Nov 12 17:20:08 CET 2025


On Wed, Nov 12, 2025 at 03:51:55PM +0000, Bruce Richardson wrote:
> On Mon, Nov 10, 2025 at 01:55:39PM +0000, Anatoly Burakov wrote:
> > From: Andrzej Wilczynski <andrzejx.wilczynski at intel.com>
> > 
> > Currently, when requesting PF link state over VF mailbox, the buffer sized
> > 3 dwords is allocated. However, the `ixgbevf_write_msg_read_ack` function
> > is actually called with buffer size of 6 dwords. This leaves an admittedly
> > remote possibility of buffer overrun. Fix by adjusting requested size to 3.
> > 
> > Fixes: adbd71030575 ("net/ixgbe/base: fix link status for E610")
> > 
> > Signed-off-by: Andrzej Wilczynski <andrzejx.wilczynski at intel.com>
> > Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
> > ---
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>
> 
Bugzilla ID: 1801

Cc: stable at dpdk.org

Applied to dpdk-next-net-intel, thanks.

/Bruce


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