From nobody Fri Oct 3 15:35:59 2025 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26A484315F for ; Fri, 29 Aug 2025 12:48:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756471715; cv=none; b=jYs5pXodSzjinBLuGOaMViNLiy0No6iz+jwCN0xB2V+bXVzZWxAQQqPOHdJFm0HNDI4NZWngGdmfym7t3IblfZwt2D9w4RvWTnokiP6nJsQiXgS4mZ3Uk6h8oGWbLveUHK1J0CAwF3Pf2ks8+JgGOryiS752PQinEr+AjlCVTgM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756471715; c=relaxed/simple; bh=PfM+wt4euQRDG6Ic7JsVFJRNm83TNiaN/c0Z+WZKFlY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HU6Vb/RuWbsYUFM0hOi21bak7GKxl3YKDkpb4HOhiozOvKYvcTo2oR6iTF+3cAshTs1PDLGQE83Cgi9Mu/SpK+KI4JAyuAJlHD7IeLPhoHpptCWrUBXnS75h7I3ECbP9rsBMBjWwupe4D7a6X0D6HsPq9KbxoY1d0riDpLl2Kug= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=A8m+6EET; arc=none smtp.client-ip=209.85.221.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="A8m+6EET" Received: by mail-wr1-f48.google.com with SMTP id ffacd0b85a97d-3cdc54cabb1so800754f8f.0 for ; Fri, 29 Aug 2025 05:48:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756471712; x=1757076512; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=WTM2+VDKikHtSeaCiymICMXcXjx2xNcBiPL91bhKQr0=; b=A8m+6EETCukGWs21sDBCad6TupbQKbf8Rfc6aQhFQmN2ozdj3kOOYF6KrJjSCoSCjC ZvSQ5Hd94xrtz4VeRUhwgIHmz1n5ifx8OzeJNw9QUUWQIt+4a+MSSD1o0GNa/RAQ4MHU 4Fww5dzYZqVU9iDpjsLOZoEfkM7beHxT1UihhTiieP4aL6L5VpOf+eqWVk/oDOXmLixq /1KP0WnHJlOqShiqITDDbmgQSureHKiVQSz4z1yCN5kZsA/GrbEBxv751at1sDTqKKlj S5w+Xq683qpjRxSHyqLYiZ/aHkebOVd5WTg7eBJ2XJI+RtfR4Y12m88RYdP1Iei45mgn g3Sg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756471712; x=1757076512; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=WTM2+VDKikHtSeaCiymICMXcXjx2xNcBiPL91bhKQr0=; b=eAexQs/nvTWBkwRlM1VVF26E8yeO7iruzCcCPyo7Dr0WXDipcNXQpR4IL2c4QXmdEF kqReE3ynIZvH5A3pXP3bNEuM2ylbaov9KJoiAOBy1CMd+rpDckO0H5tHI0Wx8HunBski +0lv+ks+58ufEofSIWOWVjs06Sl+tI0hgHjmIuifec+8n7BIxrz/yk1ZN1a+5oyZC8Yk SbSzRDhIbid+oyzHw/Gc0st6Kb6MevNd9XBh5XMqwUwvUOb+FmhZAfDB/m3Q/b1UlSPG TfBP2qIR0MxPzvPMxVd+i+fSB21I8l9WLuGJvZLJIdDGOhuz4M7ZPEWi9glE6Oi0VFWM 81yA== X-Forwarded-Encrypted: i=1; AJvYcCUB+8+bTUBzbQDPCCgHaglq8hv2g3m5OJGu+5iRgoNVVYX8y7AHFBvvXoUcLyvNTJcaxQu3FHHVfpXr5Rs=@vger.kernel.org X-Gm-Message-State: AOJu0Yz0AarUMoyefjfMoo+VBLaxkpXZGm721tWDYmEIO6vnwg2yUPDn lbLXLECIup1snJZ+IXPK35OtD+UYwpFJcu14Nemt90jQB3i0QLbGYIGO1q+Br5ZgjqE= X-Gm-Gg: ASbGnct8S5LygYWJz3Zh8haNHnljA4y+RPZVajaU0z0mRyUvTm1rvSK3WU4fQKOQ/jb 98dNK7HYVcY+BkT9omBatzHnqc9qO/I6tvxE3qzfXA+Ki5rS9q9aaMSBTcmPIZd6K3FqCgx0AC+ De1T82DYEfe6ZZfXPPRxqU84W457FzZFhe3HJ8KGZn3vZ+NKPVwXSuMVjkmRY7yUb0rdGnqjygN s2hRTv0qVJ17Io9vhQ1G29WKAd+eaDUWvkt+PK3vTDhRCrukGJ9legyBhMmMvCnn5a2B31G/laO EHQAbbDc1o0yG/1Ft1Y4izSDJviL0j3CgVnL/2w+ndIsqvYHg54t7B47gWq8Ee4BPXoXJYd4ejv Hz62NEzvmrlcl2GEJCevc5CHLeCM= X-Google-Smtp-Source: AGHT+IEt7FoZ+poRNkadPvFS4MiTQw46m2z3gSirCmxuvzO0nDj/MLzNGlzo9GuQ50LaspKQ2QDy4A== X-Received: by 2002:a5d:5d0b:0:b0:3cd:edee:c7f1 with SMTP id ffacd0b85a97d-3cdedeecb38mr5773224f8f.56.1756471712413; Fri, 29 Aug 2025 05:48:32 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-3cf270fbd01sm3392325f8f.13.2025.08.29.05.48.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Aug 2025 05:48:31 -0700 (PDT) Date: Fri, 29 Aug 2025 15:48:28 +0300 From: Dan Carpenter To: Solomon Peachy Cc: Thomas Gleixner , Ingo Molnar , Johannes Berg , Roopni Devanathan , "John W. Linville" , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] wifi: cw1200: cap SSID length in cw1200_do_join() Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" If the ssidie[1] length is more that 32 it leads to memory corruption. Fixes: a910e4a94f69 ("cw1200: add driver for the ST-E CW1100 & CW1200 WLAN = chipsets") Signed-off-by: Dan Carpenter --- drivers/net/wireless/st/cw1200/sta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/st/cw1200/sta.c b/drivers/net/wireless/st= /cw1200/sta.c index b1dd76e8aecb..5d8eaa700779 100644 --- a/drivers/net/wireless/st/cw1200/sta.c +++ b/drivers/net/wireless/st/cw1200/sta.c @@ -1291,7 +1291,7 @@ static void cw1200_do_join(struct cw1200_common *priv) rcu_read_lock(); ssidie =3D ieee80211_bss_get_ie(bss, WLAN_EID_SSID); if (ssidie) { - join.ssid_len =3D ssidie[1]; + join.ssid_len =3D min(ssidie[1], IEEE80211_MAX_SSID_LEN); memcpy(join.ssid, &ssidie[2], join.ssid_len); } rcu_read_unlock(); --=20 2.47.2