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From: Abhishek Kumar <kuabhs@chromium.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	Wen Gong <wgong@codeaurora.org>,
	stable@vger.kernel.org
Subject: Re: [PATCH 11/18] ath10k: add CCMP PN replay protection for fragmented frames for PCIe
Date: Fri, 14 May 2021 15:23:21 -0700	[thread overview]
Message-ID: <CACTWRwvOFV=Yws=ZrR01YCOnzbc4AcXN8+dDK4vEsuc=svv4dg@mail.gmail.com> (raw)
In-Reply-To: <20210511200110.9ba2664866a4.I756e47b67e210dba69966d989c4711ffc02dc6bc@changeid>

> +static bool ath10k_htt_rx_h_frag_pn_check(struct ath10k *ar,
> +                                         struct sk_buff *skb,
> +                                         u16 peer_id,
> +                                         u16 offset,
> +                                         enum htt_rx_mpdu_encrypt_type enctype)
> +{
> +       struct ath10k_peer *peer;
> +       union htt_rx_pn_t *last_pn, new_pn = {0};
> +       struct ieee80211_hdr *hdr;
> +       bool more_frags;
The variable more_frags is not getting used.
> +       new_pn.pn48 = ath10k_htt_rx_h_get_pn(ar, skb, offset, enctype);
> +       more_frags = ieee80211_has_morefrags(hdr->frame_control);
"more_frags is assigned here but not used anywhere.

I have raised a patch for remove this, I have raised a patch for this,
https://patchwork.kernel.org/project/linux-wireless/patch/20210514220644.1.Iad576de95836b74aba80a5fc28d7131940eca190@changeid/

-Abhishek

  reply	other threads:[~2021-05-14 22:23 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-11 18:02 [PATCH 00/18] mac80211/driver security fixes Johannes Berg
2021-05-11 18:02 ` [PATCH 01/18] mac80211: assure all fragments are encrypted Johannes Berg
2021-05-11 18:02 ` [PATCH 02/18] mac80211: prevent mixed key and fragment cache attacks Johannes Berg
2021-05-11 18:02 ` [PATCH 03/18] mac80211: properly handle A-MSDUs that start with an RFC 1042 header Johannes Berg
2021-05-11 18:02 ` [PATCH 04/18] cfg80211: mitigate A-MSDU aggregation attacks Johannes Berg
2021-05-11 18:02 ` [PATCH 05/18] mac80211: drop A-MSDUs on old ciphers Johannes Berg
2021-05-11 18:02 ` [PATCH 06/18] mac80211: add fragment cache to sta_info Johannes Berg
2021-05-11 18:02 ` [PATCH 07/18] mac80211: check defrag PN against current frame Johannes Berg
2021-05-11 18:02 ` [PATCH 08/18] mac80211: prevent attacks on TKIP/WEP as well Johannes Berg
2021-05-11 18:02 ` [PATCH 09/18] mac80211: do not accept/forward invalid EAPOL frames Johannes Berg
2021-05-11 18:02 ` [PATCH 10/18] mac80211: extend protection against mixed key and fragment cache attacks Johannes Berg
2021-05-11 18:02 ` [PATCH 11/18] ath10k: add CCMP PN replay protection for fragmented frames for PCIe Johannes Berg
2021-05-14 22:23   ` Abhishek Kumar [this message]
2021-05-11 18:02 ` [PATCH 12/18] ath10k: drop fragments with multicast DA " Johannes Berg
2021-05-11 18:02 ` [PATCH 13/18] ath10k: drop fragments with multicast DA for SDIO Johannes Berg
2021-05-11 18:02 ` [PATCH 14/18] ath10k: drop MPDU which has discard flag set by firmware " Johannes Berg
2021-05-12 18:35   ` Brian Norris
2021-05-13 17:18     ` Jeff Johnson
2021-05-11 18:02 ` [PATCH 15/18] ath10k: Fix TKIP Michael MIC verification for PCIe Johannes Berg
2021-05-11 18:02 ` [PATCH 16/18] ath10k: Validate first subframe of A-MSDU before processing the list Johannes Berg
2021-05-11 18:02 ` [PATCH 17/18] ath11k: Clear the fragment cache during key install Johannes Berg
2021-05-11 18:02 ` [PATCH 18/18] ath11k: Drop multicast fragments Johannes Berg
2021-05-17 18:54 ` [PATCH 00/18] mac80211/driver security fixes Ben Greear

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