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 0E5D72F12D1; Fri, 17 Oct 2025 15:35:16 +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=1760715316; cv=none; b=bPj38Rd+pDngsbV7jB2uxXFlWerunaXZnjoxPsK5NggXi43I4E1KkY5+STRrhBsdYCzpNvSGShft4XlfOn6ZU1D9VUbeBIiNoL4P4bjxU03Dp4RkMgXe5wn7oQtsoSdeltZ0U985qy0ZFSQD8TBvbmwreMH15UxDUSwecJeYBPw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760715316; c=relaxed/simple; bh=ay2TSw3HC/SUGTmT6eV6o+yno0VajNsBXhziLCx1o+4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YTCLaSkb8HbpDlvvLY8AD0w1VgusoOgkqz4W7zFNgQMA1QgZfgsheqkfV3kR3MFYb9M83b5AkM8S/XEyKit/pmzEkyUTJb+2dpRsFqwwUkwhATbxSAWDB13AbNn1oho7uabH7s1mD33yE+hPkEnzbv8LSWOM8BGCC7vtJJnvVaw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=dPGfA2tj; 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="dPGfA2tj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86D57C113D0; Fri, 17 Oct 2025 15:35:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760715315; bh=ay2TSw3HC/SUGTmT6eV6o+yno0VajNsBXhziLCx1o+4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dPGfA2tjhRwrI0ho8cZGrZZzYlr0FmmUe6LEc0TbWGGehGgcCH8Qd7Z2Ey+JXRqmq Ze3OieczR6o2QNlz02jesawghspCgmNdFAa7Tl3ublNhXaqW3ag8SAoQ4mBYqY1ble JvOJ2B7IZeHGzdVUoWQhiPLrgDDHMspWJTpsXpSc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, David Lechner , Jonathan Cameron , Hans Verkuil Subject: [PATCH 6.17 174/371] media: pci: mg4b: fix uninitialized iio scan data Date: Fri, 17 Oct 2025 16:52:29 +0200 Message-ID: <20251017145208.226033658@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251017145201.780251198@linuxfoundation.org> References: <20251017145201.780251198@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Lechner commit c0d3f6969bb4d72476cfe7ea9263831f1c283704 upstream. Fix potential leak of uninitialized stack data to userspace by ensuring that the `scan` structure is zeroed before use. Fixes: 0ab13674a9bd ("media: pci: mgb4: Added Digiteq Automotive MGB4 driver") Cc: stable@vger.kernel.org Signed-off-by: David Lechner Reviewed-by: Jonathan Cameron Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- drivers/media/pci/mgb4/mgb4_trigger.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/media/pci/mgb4/mgb4_trigger.c +++ b/drivers/media/pci/mgb4/mgb4_trigger.c @@ -91,7 +91,7 @@ static irqreturn_t trigger_handler(int i struct { u32 data; s64 ts __aligned(8); - } scan; + } scan = { }; scan.data = mgb4_read_reg(&st->mgbdev->video, 0xA0); mgb4_write_reg(&st->mgbdev->video, 0xA0, scan.data);