[dpdk-stable] patch 'net/nfp: fix memcpy out of source range' has been queued to stable release 18.02.2
luca.boccassi at gmail.com
luca.boccassi at gmail.com
Tue May 15 15:53:31 CEST 2018
Hi,
FYI, your patch has been queued to stable release 18.02.2
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 05/16/18. So please
shout if anyone has objections.
Thanks.
Luca Boccassi
---
>From 71335de3f9d02cef22e2d98eaf707ea2cbabf1f9 Mon Sep 17 00:00:00 2001
From: Andy Green <andy at warmcat.com>
Date: Mon, 14 May 2018 13:00:32 +0800
Subject: [PATCH] net/nfp: fix memcpy out of source range
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[ upstream commit 1bcb5ecb179cbca81ff3fe15432326c1c3ca9e9b ]
drivers/net/nfp/nfp_net.c:669:2: error:
‘memcpy’ forming offset [5, 6] is out of the bounds [0, 4]
of object ‘tmp’ with type ‘uint32_t’ {aka ‘unsigned int’}
[-Werror=array-bounds]
memcpy(&hw->mac_addr[0], &tmp, sizeof(struct ether_addr));
Fixes: e6decee38209 ("net/nfp: use random MAC address if not configured")
Signed-off-by: Andy Green <andy at warmcat.com>
Acked-by: Alejandro Lucero <alejandro.lucero at netronome.com>
Tested-by: Alejandro Lucero <alejandro.lucero at netronome.com>
---
drivers/net/nfp/nfp_net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 912c3e1a6..16adbb29e 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -675,7 +675,7 @@ nfp_net_vf_read_mac(struct nfp_net_hw *hw)
uint32_t tmp;
tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR));
- memcpy(&hw->mac_addr[0], &tmp, sizeof(struct ether_addr));
+ memcpy(&hw->mac_addr[0], &tmp, 4);
tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR + 4));
memcpy(&hw->mac_addr[4], &tmp, 2);
--
2.14.2
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