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net: prefer strscpy over strcpy

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The deprecated helper strcpy() performs no bounds checking on the
destination buffer. This could result in linear overflows beyond
the end of the buffer, leading to all kinds of misbehaviors.
The safe replacement is strscpy() [1].

Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy [1]

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Hongbo Li 2024-08-28 20:32:19 +08:00 committed by Jakub Kicinski
parent 3cbd2090d3
commit 68016b9972
1 changed files with 1 additions and 1 deletions
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2
net/core/dev.c
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@ -11143,7 +11143,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
if (!dev->ethtool)
goto free_all;
strcpy(dev->name, name);
strscpy(dev->name, name);
dev->name_assign_type = name_assign_type;
dev->group = INIT_NETDEV_GROUP;
if (!dev->ethtool_ops)