Messages in this thread | | | Date | Tue, 12 Feb 2019 10:38:21 -0800 (PST) | Subject | Re: [PATCH v2] 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: Sun, 10 Feb 2019 09:57:11 +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. > > Fixes: 8f8d28e4d6d8 ("net/packet: fix overflow in check for tp_frame_nr") > Signed-off-by: Kal Conley <kal.conley@dectris.com> > --- > Changes in v2: > - Add Signed-off-by and Fixes tag
Applied and queued up for -stable, thanks.
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