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(parent: ef0a862) | patch
net/packet: fix overflow in check for tp_reserve
authorAndrey Konovalov <andreyknvl@google.com>
Wed, 29 Mar 2017 14:11:22 +0000 (16:11 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 2 May 2017 15:21:44 +0000 (15:21 +0000)
commit426c22ac34e8d4ed3c4800c2e4fc8522dc2e6b99
treee72ff2284aced555a210d7e04979091d6c15d621tree | snapshot
parentef0a862f13fa6fc30379df0746f98ab722a29c20commit | diff
net/packet: fix overflow in check for tp_reserve

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

Fix by checking that tp_reserve <= INT_MAX on assign.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name net-packet-fix-overflow-in-check-for-tp_reserve.patch
net/packet/af_packet.c diff | blob | history
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