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 1205A2FE56A; Mon, 20 Apr 2026 15:53:53 +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=1776700433; cv=none; b=ukbL9sCO2G+NA4HDDXTRFPlXJ31CoeVl8SS/jv7i/HLamw8p3Z7+stLLeCHOGf0wxSvFYv7j6eUOJfFO/3Gg2QeuiY0SBIrDH9dt7G5kJxeY3PvluOrU/J/8e3p0i/lIXxCrxrqmWbNxM3e/LrdBhDYlZg/CwzNDYwWnfLR+gjc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776700433; c=relaxed/simple; bh=WorR7y9zKs1+jOH/LoixRz6BGuvaURLWFGmM4LP64Qk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Mb+VTHDft16iBlcbqvbwvMAgdIPJ20ruDHJnfaW/tkwTZ3h2GpbMNRMmb/80k99w5eZA4SdNvGCfCXjh1YiD0IPUyrtVxPT+GKwRiyZuT7GPYRbXaftksNkU4JanrOKz6ZODAafaa55vCKbyP9LIkrmjbu3DWSJGvIKB32ZZsvA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VwEPd3ED; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VwEPd3ED" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9DA30C19425; Mon, 20 Apr 2026 15:53:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776700433; bh=WorR7y9zKs1+jOH/LoixRz6BGuvaURLWFGmM4LP64Qk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VwEPd3EDjxk1YuJcQ2QdMDNLYRCZympaSn2KYB1cW85vToSZGW4i6BVOGg6uExHPa J+bUPUpNZDFeZmIZUsPnsfqfm/LtI5G0cn0U8clL0oA+fNKWOFF3IGBq2kO/dRQ+z3 48c/tpp5aLn64/h4JMjpCjgVEWvv/e52BgnZB5Ec= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable , Dan Carpenter , Lin YuChen Subject: [PATCH 6.19 143/220] staging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify() Date: Mon, 20 Apr 2026 17:41:24 +0200 Message-ID: <20260420153939.177014551@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260420153934.013228280@linuxfoundation.org> References: <20260420153934.013228280@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lin YuChen commit 8c964b82a4e97ec7f25e17b803ee196009b38a57 upstream. Initialize le_tmp64 to zero in rtw_BIP_verify() to prevent using uninitialized data. Smatch warns that only 6 bytes are copied to this 8-byte (u64) variable, leaving the last two bytes uninitialized: drivers/staging/rtl8723bs/core/rtw_security.c:1308 rtw_BIP_verify() warn: not copying enough bytes for '&le_tmp64' (8 vs 6 bytes) Initializing the variable at the start of the function fixes this warning and ensures predictable behavior. Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver") Cc: stable Reported-by: Dan Carpenter Closes: https://lore.kernel.org/linux-staging/abvwIQh0CHTp4wNJ@stanley.mountain/ Signed-off-by: Lin YuChen Reviewed-by: Dan Carpenter Link: https://patch.msgid.link/20260320172502.167332-1-starpt.official@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8723bs/core/rtw_security.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/staging/rtl8723bs/core/rtw_security.c +++ b/drivers/staging/rtl8723bs/core/rtw_security.c @@ -1313,7 +1313,7 @@ u32 rtw_BIP_verify(struct adapter *padap u8 mic[16]; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; __le16 le_tmp; - __le64 le_tmp64; + __le64 le_tmp64 = 0; ori_len = pattrib->pkt_len - WLAN_HDR_A3_LEN + BIP_AAD_SIZE; BIP_AAD = rtw_zmalloc(ori_len);