From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (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 0B6772EE97A; Thu, 3 Jul 2025 15:11:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751555483; cv=none; b=roYDYzSquBZg+t2diL/q8jy6y4EUgLFTnBcQsrLPwiCskOmq3MOXQFrxUGeyCUQh58MvgKJfLNYwR7nZcWb1GEGQ6bPBiuJTvAzYsYbN/TqFwHGZaD6+SBEm7TDDk24sltFTw94FoTMJ8sSmpIHdn3ieTg5G4oaNcs8TmxUdvK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751555483; c=relaxed/simple; bh=YOrVNoAD6vv/nBY0LzvyDWsjUUSZ20BfmbxL9gSwJlg=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=CzhfWdYCB9K7bqd03oyOO37O2OCtNo5wAdIwPAtOy76gbjQvX3ut5JUa/GiMqgYbZ4DGBroXWY8fRWeUAOfz9Wep1N7sCjuOp/lgXskMhGHlW+ge5fwELWSSYQgwYKWwaZ+upwriRDoe4DRLdivpjIgUUhpZVJqlC4oyPczcBn0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=kZ7FIOn3; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="kZ7FIOn3" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=YOrVNoAD6vv/nBY0LzvyDWsjUUSZ20BfmbxL9gSwJlg=; t=1751555482; x=1752765082; b=kZ7FIOn3nd0E88h2EuXCG8bMRlzNOD+OGz65lQlKFH2CGe+ L+eFs91QJ2zWbgIbk5CiL8DgZYwXR+T/ysFBDgyMKmB5Bs5s9GtOrTPr7JmghuHyHwDAtdjEk+6oH 1GIiKjgOLl4IsICx2IULvjNHwue6IX3W6Sc5tmIHQi8tUvo1eCFSW9XbL8G/wtoMJ8diC9+AMbOZa B81zjrt6O5burRe9Qb/H2y/1AlwHfAg9013PSsC64+hj/y0/PNZ4UPGnv9ZzRfsFrXVnXUKplYlKR tWWjwdSu+hmD7gvuIHPEB4HMth58mOVe/XuSduD/fs5Ew58yKnbUNSndR9xrUERQ==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.98.2) (envelope-from ) id 1uXLap-00000005Sg7-1Z0m; Thu, 03 Jul 2025 17:11:19 +0200 Message-ID: <6ecced8b962cf3a6f5056a87aa3442c49941e74c.camel@sipsolutions.net> Subject: Re: [PATCH wireless-next] wifi: mac80211: reject VHT opmode for unsupported channel widths From: Johannes Berg To: Moonhee Lee , Nicolas Escande Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linux.dev, syzbot+ededba317ddeca8b3f08@syzkaller.appspotmail.com Date: Thu, 03 Jul 2025 17:11:18 +0200 In-Reply-To: <1f13328a55c54fb49d8ca1dd72bc5de23f161ac8.camel@sipsolutions.net> References: <20250702065908.430229-2-moonhee.lee.ca@gmail.com> (sfid-20250703_110226_928227_85F0E8E1) <1f13328a55c54fb49d8ca1dd72bc5de23f161ac8.camel@sipsolutions.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-malware-bazaar: not-scanned On Thu, 2025-07-03 at 17:09 +0200, Johannes Berg wrote: >=20 > How did syzbot even manage to get a 10 MHz thing running though? >=20 n/m, it just did that quite explicitly. I really want to get rid of all that 5/10 MHz code, but we still have S1G so that might still happen anyway, and I expect for S1G VHT operating mode notification frames _are_ invalid. johannes