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 298E5480955; Sat, 28 Feb 2026 17:38:05 +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=1772300285; cv=none; b=ZPHLLOV/w29rx9u9Cqq5VprV81/n2Z2XE5xyLhs0JsCqdX6GNKrs4dl4EjqxL64w6VKCnpNs/I1Q9iR7P4Oc/97IVBXcksOEwN5SPd2EcSHBzVAHIWW3W0R/XkNPZ8uWEK1xwgj9dEGcuCcBxfYprIt79s/FsHYkDrCYj2uDQDU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300285; c=relaxed/simple; bh=WLc9+IuJ4Y6+DvZ7a5Qw5UhvfVOKCcCk+tw0ilC13LI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Zg2FssfQ0dEw2nnnrludeZe0+xEA5BLMpFpmsHakPlDkDBsYElIzA/SaLxOItaIQHxi7lx6GOGUaFkcNbvAaOqLpWgci+G1xnyjzeaJXpC2d5vmFYtuQC7zpGcNcJZ93vxWX5N9cNzJIG3ooj9agEeC8XJv2ZIJq6dA/ySzTbKc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lD5GRwkB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lD5GRwkB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8906CC116D0; Sat, 28 Feb 2026 17:38:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300285; bh=WLc9+IuJ4Y6+DvZ7a5Qw5UhvfVOKCcCk+tw0ilC13LI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lD5GRwkBi7TvozRmMTFz/By6L/aBmK7qe6RqSE/dwYKLxnAzuzLeDVltKV1JAZmvg jO3GEh8NMHcNRzLxZP1yCOj+3nqek2pGGVDGQXaBN1PXzAVjzeoSuw1A91X2+W5Dmd VsPRJ91dq2Y4dN+wyW54XY/I0KJV+NEbi6CFuD7+vzfuNfp0N6cDw9UInBhZXmoN2P tx3awMVRVi37fBIjs2HILgaOVw98V/hoRAv+RQf+N1iCgiJBa9FmYtYoVuuMt4A6fo GmjUEiowA9bTvV8XFEylJDN83Gbnagbr/PGz3n75YVXYkz+cdZ77JYRFCR0mDJCVTi IMNyttwZe4+BQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ping-Ke Shih , Sasha Levin Subject: [PATCH 6.19 313/844] wifi: rtw89: pci: validate release report content before using for RTL8922DE Date: Sat, 28 Feb 2026 12:23:46 -0500 Message-ID: <20260228173244.1509663-314-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Ping-Ke Shih [ Upstream commit 5f93d611b33a05bd03d6843c8efe8cb6a1992620 ] The commit 957eda596c76 ("wifi: rtw89: pci: validate sequence number of TX release report") does validation on existing chips, which somehow a release report of SKB becomes malformed. As no clear cause found, add rules ahead for RTL8922DE to avoid crash if it happens. Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20260123013957.16418-11-pkshih@realtek.com Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtw89/pci.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 093960d7279f8..b8135cf15d13c 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -604,8 +604,10 @@ static void rtw89_pci_release_rpp(struct rtw89_dev *rtwdev, void *rpp) info->parse_rpp(rtwdev, rpp, &rpp_info); - if (unlikely(rpp_info.txch == RTW89_TXCH_CH12)) { - rtw89_warn(rtwdev, "should no fwcmd release report\n"); + if (unlikely(rpp_info.txch >= RTW89_TXCH_NUM || + info->tx_dma_ch_mask & BIT(rpp_info.txch))) { + rtw89_warn(rtwdev, "should no release report on txch %d\n", + rpp_info.txch); return; } -- 2.51.0