[PATCH 5.10 25/29] serial: 8250: 8250_omap: Fix possible array out of bounds access
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-09-06 12:57:45
Also in:
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From: Vignesh Raghavendra <vigneshr@ti.com>
commit d4548b14dd7e5c698f81ce23ce7b69a896373b45 upstream.
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: 439c7183e5b9 ("serial: 8250: 8250_omap: Disable RX interrupt after DMA enable")
Reported-by: Naresh Kamboju <redacted>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20201111112653.2710-1-vigneshr@ti.com (local)
Signed-off-by: Nobuhiro Iwamatsu (CIP) <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_omap.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c@@ -1211,6 +1211,7 @@ static int omap8250_no_handle_irq(struct static const struct soc_device_attribute k3_soc_devices[] = { { .family = "AM65X", }, { .family = "J721E", .revision = "SR1.0" }, + { /* sentinel */ } }; static struct omap8250_dma_params am654_dma = {