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Commit 28e44730 authored by Andrey Konovalov's avatar Andrey Konovalov Committed by Stuart Scott
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net/packet: fix overflow in check for tp_reserve


[ Upstream commit bcc5364bdcfe131e6379363f089e7b4108d35b70 ]

When calculating po->tp_hdrlen + po->tp_reserve the result can overflow.

Fix by checking that tp_reserve <= INT_MAX on assign.

Bug: 36725304
Signed-off-by: default avatarAndrey Konovalov <andreyknvl@google.com>
Acked-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Change-Id: I645bbdd50a67fc3a00f8cb6a24b29d5e5e27b903
parent da29dd0c
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