From patchwork Tue Dec 10 07:04:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Antipov X-Patchwork-Id: 849128 Received: from forward101b.mail.yandex.net (forward101b.mail.yandex.net [178.154.239.148]) (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 9FB877DA6C for ; Tue, 10 Dec 2024 07:04:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.148 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733814294; cv=none; b=m9y+UDzcWFeoyqHqj0pVGIlv6dADuq4D0BSwVPEAWjBH2LZ9bqtQudT+ZNRIKMpCBYByHt9epoemOTZSqwslFkUmorMIO4DwQoB9uE/aKt5p/3JSXv7Waae3LIJFABV3WQsvbHqJbfuFLKaOTIQXeld7B177sR5U3utKHuopfIA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733814294; c=relaxed/simple; bh=z/+Lzhci9t4FQVb2I1vQPsQ5ToHCf97+19+OLgUr590=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Aj9tmQAHMa+n6uQmPhCZnu1jYZCEQWWSci19smWI2oND99KHTa2XmFj/mzmBXSC/sjNMuPPIMc6uphwThrakcUQ7+0TtRbSOWn2nSmhT8eva/W0DYBf/P67+eIbJPVL5xeYaaJrxOsY0IqHGfnN693dYlxlmNjFUqN15DlJK4I8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru; spf=pass smtp.mailfrom=yandex.ru; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b=fAxJijdj; arc=none smtp.client-ip=178.154.239.148 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yandex.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b="fAxJijdj" Received: from mail-nwsmtp-smtp-production-main-36.sas.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-36.sas.yp-c.yandex.net [IPv6:2a02:6b8:c24:18aa:0:640:5723:0]) by forward101b.mail.yandex.net (Yandex) with ESMTPS id 97E5060A90; Tue, 10 Dec 2024 10:04:43 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-36.sas.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id g4grVOBOp0U0-AkekeEoV; Tue, 10 Dec 2024 10:04:42 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1733814282; bh=1a53GWlwzV16Y8+9F6JLMHCZQRe754Lz6S6o9afPCMw=; h=Message-ID:Date:Cc:Subject:To:From; b=fAxJijdj9ngYo1EH3/bqWWf/k7A1lk7oQExteGPAdQN79vqhbgrbhTzGbVw0DRwPw RjZcbkmOeapj/uU7kR64Cw2rDrq3ASBwOY7C1+1KlxXP/7s6fiLqfssT0DFiepXEMI DLwpjVcsiD5r4HdPrIADwifU2VsjTRK8oexCL0uw= Authentication-Results: mail-nwsmtp-smtp-production-main-36.sas.yp-c.yandex.net; dkim=pass header.i=@yandex.ru From: Dmitry Antipov To: Arend van Spriel Cc: Kalle Valo , linux-wireless@vger.kernel.org, lvc-project@linuxtesting.org, Dmitry Antipov Subject: [PATCH] wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() Date: Tue, 10 Dec 2024 10:04:41 +0300 Message-ID: <20241210070441.836362-1-dmantipov@yandex.ru> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In 'wlc_phy_iqcal_gainparams_nphy()', add gain range check to WARN() instead of possible out-of-bounds 'tbl_iqcal_gainparams_nphy' access. Compile tested only. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Antipov --- drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c index d69879e1bd87..d362c4337616 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c @@ -23423,6 +23423,9 @@ wlc_phy_iqcal_gainparams_nphy(struct brcms_phy *pi, u16 core_no, break; } + if (WARN_ON(k == NPHY_IQCAL_NUMGAINS)) + return; + params->txgm = tbl_iqcal_gainparams_nphy[band_idx][k][1]; params->pga = tbl_iqcal_gainparams_nphy[band_idx][k][2]; params->pad = tbl_iqcal_gainparams_nphy[band_idx][k][3];