]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
net: ena: fix potential crash when rxfh key is NULL
authorArthur Kiyanovski <akiyano@amazon.com>
Tue, 11 Feb 2020 15:17:40 +0000 (15:17 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 12 Feb 2020 01:08:30 +0000 (17:08 -0800)
commit91a65b7d3ed8450f31ab717a65dcb5f9ceb5ab02
treea6b6914faa023a6c9f2d3813d3a3ae13878f3db8
parent457fed775c97ac2c0cd1672aaf2ff2c8a6235e87
net: ena: fix potential crash when rxfh key is NULL

When ethtool -X is called without an hkey, ena_com_fill_hash_function()
is called with key=NULL, which is passed to memcpy causing a crash.

This commit fixes this issue by checking key is not NULL.

Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/amazon/ena/ena_com.c