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 702102DE717 for ; Sat, 28 Feb 2026 17:51:55 +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=1772301115; cv=none; b=K8NSd0+SggQofvQLzU9a0brPmt7pXNPwy5JwqEWE6KuGd6rUIg+wF71jZYThIaubhaguJO+Cl/nYyVkA6A9baTysVZsN1T18DjCUewzvqMEZ/Tn1B7W3UKvKTv7mpOInTnBw9g3tm7PHQzvf58RkQA2RRWGlJkTOvZwP2OPxBuA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301115; c=relaxed/simple; bh=x9Bj61pNc6SucUAx4PuODOuyXJ985GgdupFBJKjIoDA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UkWST8qVCcRiQ7x0HSl+S+NMCGCsSL9wDDt1Y8qtCSo3Ai0v/N+Ucw/OGG8RoZY2VNb2iDMHOGIJaxQ/fLwCmzXgt+EZYkcOLXiSOe8DzYhJy9GhJ4fDYRWNM5YkeGkzqXh/39/HthPxwF+1QGlsqyApC4jtigVxRVB5sjx96Dk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PeLb1CBr; 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="PeLb1CBr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6A19C2BC87; Sat, 28 Feb 2026 17:51:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301115; bh=x9Bj61pNc6SucUAx4PuODOuyXJ985GgdupFBJKjIoDA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PeLb1CBrxmY/6dD5TfX0lPyWmm/qPszT4mi2wtvZPoaUrABLg/fjFEseKN5VT8QFy pZGhYvsBeEQBv4L/JiXIMblCbO37YmFAL3zZwkynDxvjqBa37u3XFephinAZUgH+zx pCP8YXYbfLb216xQijDKEfQgUHWeKFDEPegtzS5guKDdPqIuEU3fyTOpCr5P/F5aCY ro4QANgyp1T8YFKq7pGVqq4sQunVzTqQlsDJm1ympFffVutHhtixy6WhQa4pvvBWqP B7O9LkdygyRVlTr0jU4Jfc1K1CXyALgBfMOAK0dIoLiQ1O11inCsyQR0gx3fu/3aCl PrLvFAJ0V57sw== From: Sasha Levin To: patches@lists.linux.dev Cc: Ping-Ke Shih , Sasha Levin Subject: [PATCH 6.18 271/752] wifi: rtw89: pci: validate release report content before using for RTL8922DE Date: Sat, 28 Feb 2026 12:39:42 -0500 Message-ID: <20260228174750.1542406-271-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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 6395c53b3e170..f7be5e7e0a37c 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