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Date: Fri, 11 Sep 2020 17:23:02 -0700 (PDT) From: David Miller <davem@...emloft.net> To: vinicius.gomes@...el.com Cc: netdev@...r.kernel.org, kuba@...nel.org, jiri@...nulli.us, syzbot+8267241609ae8c23b248@...kaller.appspotmail.com Subject: Re: [PATCH net v1] taprio: Fix allowing too small intervals From: Vinicius Costa Gomes <vinicius.gomes@...el.com> Date: Wed, 9 Sep 2020 17:03:11 -0700 > It's possible that the user specifies an interval that couldn't allow > any packet to be transmitted. This also avoids the issue of the > hrtimer handler starving the other threads because it's running too > often. > > The solution is to reject interval sizes that according to the current > link speed wouldn't allow any packet to be transmitted. > > Reported-by: syzbot+8267241609ae8c23b248@...kaller.appspotmail.com > Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler") > Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@...el.com> Applied and queued up for -stable, thanks.
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