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Date: Sat, 06 Apr 2019 15:04:33 -0700 (PDT) From: David Miller <davem@...emloft.net> To: dan.carpenter@...cle.com Cc: sameo@...ux.intel.com, christophe.ricard@...il.com, linux-wireless@...r.kernel.org, kernel-janitors@...r.kernel.org, netdev@...r.kernel.org, surenb@...gle.com Subject: Re: [PATCH 1/2 net] NFC: nci: Add some bounds checking in nci_hci_cmd_received() From: Dan Carpenter <dan.carpenter@...cle.com> Date: Wed, 3 Apr 2019 10:12:48 +0300 > This is similar to commit 674d9de02aa7 ("NFC: Fix possible memory > corruption when handling SHDLC I-Frame commands"). > > I'm not totally sure, but I think that commit description may have > overstated the danger. I was under the impression that this data came > from the firmware? If you can't trust your networking firmware, then > you're already in trouble. > > Anyway, these days we add bounds checking where ever we can and we call > it kernel hardening. Better safe than sorry. > > Fixes: 11f54f228643 ("NFC: nci: Add HCI over NCI protocol support") > Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com> Applied.
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