Volodymyr Mytnyk 48c77bdf72 net: prestera: acl: fix 'client_map' buff overflow
smatch warnings:
drivers/net/ethernet/marvell/prestera/prestera_acl.c:103
prestera_acl_chain_to_client() error: buffer overflow
'client_map' 3 <= 3

	prestera_acl_chain_to_client(u32 chain_index, ...)
        ...
	u32 client_map[] = {
		PRESTERA_HW_COUNTER_CLIENT_LOOKUP_0,
		PRESTERA_HW_COUNTER_CLIENT_LOOKUP_1,
		PRESTERA_HW_COUNTER_CLIENT_LOOKUP_2
	};
	if (chain_index > ARRAY_SIZE(client_map))
	...

Fixes: fa5d824ce5 ("net: prestera: acl: add multi-chain support offload")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-19 18:56:50 +00:00
2022-02-13 12:13:30 -08:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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