From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26EFC626DD; Mon, 11 Mar 2024 15:14:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710170042; cv=none; b=Hzfg7tPsnfYQgj0JuTmUwjd16xQ5NZ+WuBQuX3wmCbHJh7KNreaCjkpoJbAmyPvBYFHuTiRB0suYjV2qoHJKzB4EWk0rlDOh7UlVwqg59t0dAajrf9d0e4rNEdEzsrmgOOqt/Mccafriw00897FO4BrzX+Uo8GMpme/UgdifcA4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710170042; c=relaxed/simple; bh=S9i6rVDTLrc92ZdyKfg4Ixk7H6eGpB3PH6E05e+MPh0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XmfUgjS7Qa4lVSPXFIlEYVay/a+5/dNRSDVANRdKSxJ37gH0pNI9ZDhGZvaLeWeYBF5Ys3CGFeZk+AfVl0BIMgvbgHq29F/dC2LK5O1OahmTuSQ7MztpUnKD6Vs4NiYQC0UPOeWYXHyWfEVTpNkJR1RyGrsN3xAOz9o+rqjfyvs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LJ8SIlLL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LJ8SIlLL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5DE5C43394; Mon, 11 Mar 2024 15:14:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710170042; bh=S9i6rVDTLrc92ZdyKfg4Ixk7H6eGpB3PH6E05e+MPh0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LJ8SIlLLJNBLgbNtaeZomfFWNjpDebvVzUG2itxNxNhpP9lcAWN5JiNIMqaEqN+qa iyFIam55NRPCNrBurXddfb9tTZpK0+XXj80AQ4oMYYnkoEysrX4k5p38yYg+sicYVW QQzSj/YdWNM4FGTFiBwDwGDM8kqTs4q/30m2OfgkGENvo4/iKm1Je2Ku2vmH10eHhr sxk918SFqyVyJcNbqUVRK2CtyQcXKMZGGL5pt0qdnZiaoQvWK9KgVxZtT6Rg/eMzvk 0QYI/RrSrzQS4AgY7fmVarMU23zQJtIwY2OAdaDz3dbBauSCJRgdmuaSbjPeUkN8ZD s9G5SdpSpurYg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Felix Fietkau , Johannes Berg , Sasha Levin , johannes@sipsolutions.net, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 6.1 04/13] wifi: mac80211: only call drv_sta_rc_update for uploaded stations Date: Mon, 11 Mar 2024 11:13:39 -0400 Message-ID: <20240311151354.318293-4-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240311151354.318293-1-sashal@kernel.org> References: <20240311151354.318293-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.81 Content-Transfer-Encoding: 8bit From: Felix Fietkau [ Upstream commit 413dafc8170fcb925fb17af8842f06af305f8e0b ] When a station has not been uploaded yet, receiving SMPS or channel width notification action frames can lead to rate_control_rate_update calling drv_sta_rc_update with uninitialized driver private data. Fix this by adding a missing check for sta->uploaded. Signed-off-by: Felix Fietkau Link: https://msgid.link/20240221140535.16102-1-nbd@nbd.name Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/rate.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index d5ea5f5bcf3a0..9d33fd2377c88 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -119,7 +119,8 @@ void rate_control_rate_update(struct ieee80211_local *local, rcu_read_unlock(); } - drv_sta_rc_update(local, sta->sdata, &sta->sta, changed); + if (sta->uploaded) + drv_sta_rc_update(local, sta->sdata, &sta->sta, changed); } int ieee80211_rate_control_register(const struct rate_control_ops *ops) -- 2.43.0