Commit d4548b14 authored Nov 11, 2020 by Vignesh Raghavendra Committed by Greg Kroah-Hartman Nov 12, 2020

serial: 8250: 8250_omap: Fix possible array out of bounds access



k3_soc_devices array is missing a sentinel entry which may result in out
of bounds access as reported by kernel KASAN.

Fix this by adding a sentinel entry.

Fixes: 439c7183 ("serial: 8250: 8250_omap: Disable RX interrupt after DMA enable")
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20201111112653.2710-1-vigneshr@ti.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 9b085d6e

drivers/tty/serial/8250/8250_omap.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1199,6 +1199,7 @@ static int omap8250_no_handle_irq(struct uart_port *port)
		static const struct soc_device_attribute k3_soc_devices[] = {
		{ .family = "AM65X", },
		{ .family = "J721E", .revision = "SR1.0" },
		{ /* sentinel */ }
		};

		static struct omap8250_dma_params am654_dma = {

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