Files
linux-net/net
Andrey Konovalov 8f8d28e4d6 net/packet: fix overflow in check for tp_frame_nr
When calculating rb->frames_per_block * req->tp_block_nr the result
can overflow.

Add a check that tp_block_size * tp_block_nr <= UINT_MAX.

Since frames_per_block <= tp_block_size, the expression would
never overflow.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-30 11:03:59 -07:00
..
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2017-03-07 14:30:38 +01:00
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