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 1AED93B8D47; Sat, 6 Dec 2025 22:49:14 +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=1765061356; cv=none; b=bWvdrz0AG6ESNgwaAd4+mnOu0V6fEMlEbjN00Qb/G1ZeYyqagTzldPEaNwbsY1Ie7BQmncmgeIZK0uSOLO1dZLJUSy8q/4Yp5pbjPaB6r+ZHGJ/+kvo+wG81Moq8sVkGPd5/dKj2dK+aK0giqhdl35Nfu8BTKGJeyn4MqvYauQ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765061356; c=relaxed/simple; bh=IUQ/hH7VPF1SoDvn/Dyqq+wuxhvVp/0Hq1JPBziJA64=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YWp2pMbecs5zjYQ38xV6X2qCohNdXe21MUSOLDcevtSvHr64CJTE7+miHn+rohitlIkFkTM6Qdi1DY9q1zNMnhKPj3PR4omVjpVyfjo/saMKfLTKfPQ9DzazC8HTo7Dkj/vqLDfM2Z7cSzauxfhqs2iWY25nQG2n0sxFR00O0vw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=st0ncobw; 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="st0ncobw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47F34C4CEF5; Sat, 6 Dec 2025 22:49:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765061354; bh=IUQ/hH7VPF1SoDvn/Dyqq+wuxhvVp/0Hq1JPBziJA64=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=st0ncobwc9cpWYTuI681GcN0qL9NVK42wI1kCX+EEKjPXHicfDaJpQ1FYgTCaDiFd q7REefiCqYkRiOYCmbgEHqM6At2gI41sq1yhSdBMYP7UUaTsDUGBhkYuAJ2tx2Z2Mj z9ith9XjjVQ/xWnmxqvOGltgplW4Be/6hT+QySHUo8vcmwrfb/X5qUSAicn8wRCz1N ijlb5At7NNK4ghy3JONjoKxx4P/P/CQX0yOjg9abVhlWVe0gZEVpJ+sVVpUW+eibag /neNKNKwTc7TP2xQ3Z/7NPJrn/vGRV8boRCUUXHSoEhAaU7k3qxzkzrBXoazkCPRzQ tci6XN86GyL7Q== Date: Sat, 6 Dec 2025 17:49:12 -0500 From: Sasha Levin To: Johannes Berg Cc: patches@lists.linux.dev, stable@vger.kernel.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH AUTOSEL 6.18-6.12] wifi: cfg80211: stop radar detection in cfg80211_leave() Message-ID: References: <20251206140252.645973-1-sashal@kernel.org> <20251206140252.645973-26-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: On Sat, Dec 06, 2025 at 03:55:37PM +0100, Johannes Berg wrote: >On Sat, 2025-12-06 at 09:02 -0500, Sasha Levin wrote: >> >> ### Conclusion >> >> This commit fixes a legitimate bug but does **not** meet stable kernel >> criteria: >> - The maintainer did not request stable backporting >> - The affected code only exists in kernel 6.12+, making it only relevant >> to the most recent stable branch if any >> - The bug severity (warnings, not crashes/corruption/security) does not >> warrant the backporting effort >> - It cannot be cleanly applied to most stable trees due to structural >> code differences >> >> **NO** > >:) > >To be fair, it's kind of a corner case that happened mostly during tests >as far as I know, when two mesh peers getting radar detection happen to >pick two incompatible channels and then give up, causing wpa_s to bring >down the interface. > >The thing that makes this interesting is that they both detect radar at >*precisely* the same time because they're actually simulated on a single >Linux system, and our regulatory code tells each and every radio if any >of them detects radar. > >Anyway, either way is reasonable, it's probably a much older issue than >6.12 (then we just shuffled things around due to MLO), but the issue >would've been around before that, and nobody really seems to have >noticed outside this specific test. Commits still get a review after the LLM response, which something is (IMO) wrong :) I'll keep it in, thanks! -- Thanks, Sasha