Messages in this thread | | | Date | Sat, 09 Feb 2019 19:01:14 -0800 (PST) | Subject | Re: [PATCH] net/packet: fix 4gb buffer limit due to overflow check | From | David Miller <> |
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From: Kal Conley <kal.conley@dectris.com> Date: Sat, 9 Feb 2019 21:37:00 +0100
> When calculating rb->frames_per_block * req->tp_block_nr the result > can overflow. Check it for overflow without limiting the total buffer > size to UINT_MAX. > > This change fixes support for packet ring buffers >= UINT_MAX.
Please resubmit with a proper signoff and also an appropriate Fixes: tag.
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