This is a note to let you know that I've just added the patch titled
wifi: mac80211_hwsim: avoid mac80211 warning on bad rate
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mac80211_hwsim-avoid-mac80211-warning-on-bad-rate.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1833b6f46d7e2830251a063935ab464256defe22 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@xxxxxxxxx>
Date: Wed, 5 Oct 2022 15:10:09 +0200
Subject: wifi: mac80211_hwsim: avoid mac80211 warning on bad rate
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From: Johannes Berg <johannes.berg@xxxxxxxxx>
commit 1833b6f46d7e2830251a063935ab464256defe22 upstream.
If the tool on the other side (e.g. wmediumd) gets confused
about the rate, we hit a warning in mac80211. Silence that
by effectively duplicating the check here and dropping the
frame silently (in mac80211 it's dropped with the warning).
Reported-by: Sönke Huster <shuster@xxxxxxxxxxxxxxxxxxxxxx>
Tested-by: Sönke Huster <shuster@xxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/mac80211_hwsim.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3011,6 +3011,8 @@ static int hwsim_cloned_frame_received_n
rx_status.band = data2->channel->band;
rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]);
+ if (rx_status.rate_idx >= data2->hw->wiphy->bands[rx_status.band]->n_bitrates)
+ goto out;
rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
Patches currently in stable-queue which might be from johannes.berg@xxxxxxxxx are
queue-4.9/wifi-mac80211_hwsim-avoid-mac80211-warning-on-bad-rate.patch
