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Date: Tue, 20 Oct 2020 17:13:25 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Defang Bo <bodefang@....com> Cc: davem@...emloft.net, johan@...nel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] nfc: Ensure presence of NFC_ATTR_FIRMWARE_NAME attribute in nfc_genl_fw_download() On Mon, 19 Oct 2020 19:38:58 +0800 Defang Bo wrote: > check that the NFC_ATTR_FIRMWARE_NAME attributes are provided by the netlink client prior to accessing them.This prevents potential unhandled NULL pointer > dereference exceptions which can be triggered by malicious user-mode programs, if they omit one or both of these attributes. Just similar to commit <a0323b979f81>("nfc: Ensure presence of required attributes in the activate_target handler"). > > Signed-off-by: Defang Bo <bodefang@....com> Applied, thanks.
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