Re: [PATCH 5.10 000/131] 5.10.203-rc3 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Thu, Dec 07, 2023 at 02:00:06AM +0300, Alexey Khoroshilov wrote:
> On 05.12.2023 22:22, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 5.10.203 release.
> > There are 131 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Thu, 07 Dec 2023 18:32:16 +0000.
> > Anything received after that time might be too late.
> > 
> > The whole patch series can be found in one patch at:
> > 	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.203-rc3.gz
> > or in the git tree and branch at:
> > 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> 
> 
> It seems something is seriously broken in this release.
> 
> There are patches already applied in 5.10.202 that are in 5.10.203-rc3
> transformed in some strange way, e.g.
> 
> Neil Armstrong <narmstrong@baylibre.com>
>     tty: serial: meson: retrieve port FIFO size from DT
> 
> 
> commit 980c3135f1ae6fe686a70c8ba78eb1bb4bde3060 in 5.10.202
> 
> diff --git a/drivers/tty/serial/meson_uart.c
> b/drivers/tty/serial/meson_uart.c
> index d06653493f0e..78bda91a6bf1 100644
> --- a/drivers/tty/serial/meson_uart.c
> +++ b/drivers/tty/serial/meson_uart.c
> @@ -728,6 +728,7 @@ static int meson_uart_probe(struct platform_device
> *pdev)
>  {
>         struct resource *res_mem, *res_irq;
>         struct uart_port *port;
> +       u32 fifosize = 64; /* Default is 64, 128 for EE UART_0 */
>         int ret = 0;
> 
>         if (pdev->dev.of_node)
> @@ -755,6 +756,8 @@ static int meson_uart_probe(struct platform_device
> *pdev)
>         if (!res_irq)
>                 return -ENODEV;
> 
> +       of_property_read_u32(pdev->dev.of_node, "fifo-size", &fifosize);
> +
>         if (meson_ports[pdev->id]) {
>                 dev_err(&pdev->dev, "port %d already allocated\n",
> pdev->id);
>                 return -EBUSY;
> @@ -784,7 +787,7 @@ static int meson_uart_probe(struct platform_device
> *pdev)
>         port->type = PORT_MESON;
>         port->x_char = 0;
>         port->ops = &meson_uart_ops;
> -       port->fifosize = 64;
> +       port->fifosize = fifosize;
> 
>         meson_ports[pdev->id] = port;
>         platform_set_drvdata(pdev, port);
> 
> vs.
> 
> commit 71feab929585232694b4f2fb7d70abde4edc581e in 5.10.203-rc3
> 
> diff --git a/drivers/tty/serial/meson_uart.c
> b/drivers/tty/serial/meson_uart.c
> index bb66a3f06626..c44ab21a9b7d 100644
> --- a/drivers/tty/serial/meson_uart.c
> +++ b/drivers/tty/serial/meson_uart.c
> @@ -765,6 +765,8 @@ static int meson_uart_probe(struct platform_device
> *pdev)
>         of_property_read_u32(pdev->dev.of_node, "fifo-size", &fifosize);
>         has_rtscts = of_property_read_bool(pdev->dev.of_node,
> "uart-has-rtscts");
> 
> +       of_property_read_u32(pdev->dev.of_node, "fifo-size", &fifosize);
> +
>         if (meson_ports[pdev->id]) {
>                 dev_err(&pdev->dev, "port %d already allocated\n",
> pdev->id);
>                 return -EBUSY;
> 
> 
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE
> 
> 
> 
> See also:
> 
> Qu Huang <qu.huang@linux.dev>
>     drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL
> 
> Axel Lin <axel.lin@ingics.com>
>     i2c: sun6i-p2wi: Prevent potential division by zero
> 
> Takashi Iwai <tiwai@suse.de>
>     media: imon: fix access to invalid resource for the second interface
> 
> 
> Also there is a strange pair:
> 
> Patrick Thompson <ptf@google.com>
>     net: r8169: Disable multicast filter for RTL8168H and RTL8107E
> 
> Heiner Kallweit <hkallweit1@gmail.com>
>     Revert "net: r8169: Disable multicast filter for RTL8168H and RTL8107E"
> 

Ok, I dropped all of these and manually verified that there were no
other duplicates.  thanks for catching them and letting us know.


greg k-h