From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 98FBF3FADF1 for ; Mon, 15 Jun 2026 14:44:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781534666; cv=none; b=W2mEl461fehwFH7zwDBLcViRinxz/jhZDJINfMEYv2bOJlrLynYRzfxDQNbwRNUhM591LGMui7oMeVvoKqtlYM63gjvr7yACrEqcQDJ3kg9QnqIFW50XLKWWu0ClVL5HTmKuByuGU5piZIALQy4y9e9EUo/oYiqta+S+GPWA8jQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781534666; c=relaxed/simple; bh=xMnQWx7eldwwdpyGW9mTAhB8Gsq5ymClyUQsuX9n3jc=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=Pt2gGplD+xHrO1TdXeTyNwbWR6/x7NGgHE9kb0sH5hXzZk1kh14cb6RGZLRtNmYkWUdmgK+Xignw/C06uoMwQl1vmOUTnN/dd5vB7Ye7s/VMfCeg09MRgkGmBH/2HVbYcFjMQ5/vR/D1e0OU14LVClQNgQFIHNwcXFHHD6J/2qM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=U3cmLi1E; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="U3cmLi1E" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A1D61F00A3F; Mon, 15 Jun 2026 14:44:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1781534665; bh=fZIkFmXB+DNT41URhS8ThbOo2SnmwhGXadooFfRzD1I=; h=Subject:To:Cc:From:Date; b=U3cmLi1EG4A/gf7oj128fxYcIYEBgPBzHBU6eUc7/oft04onsz6cVx1aoz2kf3AX+ bTalR4HmV2cbc0h2Q9uwf97EYqz5i3+uZ1pWb9cJ1lQj5xqXeb6iqi89PDbnoXJ1eV 9sctEM+kHagsAwYAFqOPHxJnuseS+Qf+277jDNYc= Subject: FAILED: patch "[PATCH] staging: rtl8723bs: rtw_mlme: add bounds checks before" failed to apply to 6.18-stable tree To: me@cipherat.com,gregkh@linuxfoundation.org,luka.gejak@linux.dev,stable@kernel.org Cc: From: Date: Mon, 15 Jun 2026 16:30:49 +0200 Message-ID: <2026061549-gallows-july-c323@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.18-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.18.y git checkout FETCH_HEAD git cherry-pick -x 88e994c57a79f62d5338231d8d37ee8dd98baffe # git commit -s git send-email --to '' --in-reply-to '2026061549-gallows-july-c323@gregkh' --subject-prefix 'PATCH 6.18.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 88e994c57a79f62d5338231d8d37ee8dd98baffe Mon Sep 17 00:00:00 2001 From: Salman Alghamdi Date: Wed, 13 May 2026 23:34:40 +0300 Subject: [PATCH] staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards to ensure ie_length is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow. Fixes: 2038fe84b8bd ("staging: rtl8723bs: fix spacing around operators") Fixes: d3fcee1b78a5 ("staging: rtl8723bs: fix camel case in struct wlan_bssid_ex") Closes: https://lore.kernel.org/linux-staging/DI2H39EAAFBZ.3KI5NWN02AQ2S@linux.dev/ Cc: stable Signed-off-by: Salman Alghamdi Reviewed-by: Luka Gejak Link: https://patch.msgid.link/20260513203455.31792-1-me@cipherat.com Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c index 268f294528e6..9f21a2226dbd 100644 --- a/drivers/staging/rtl8723bs/core/rtw_mlme.c +++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c @@ -604,6 +604,8 @@ static bool rtw_is_desired_network(struct adapter *adapter, struct wlan_network privacy = pnetwork->network.privacy; if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { + if (pnetwork->network.ie_length < _FIXED_IE_LENGTH_) + return false; if (rtw_get_wps_ie(pnetwork->network.ies + _FIXED_IE_LENGTH_, pnetwork->network.ie_length - _FIXED_IE_LENGTH_, NULL, &wps_ielen)) return true; else @@ -617,11 +619,15 @@ static bool rtw_is_desired_network(struct adapter *adapter, struct wlan_network bselected = false; if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) { - p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_)); - if (p && ie_len > 0) - bselected = true; - else + if (pnetwork->network.ie_length < _BEACON_IE_OFFSET_) { bselected = false; + } else { + p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) + bselected = true; + else + bselected = false; + } } }