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usb: sandbox: Bounds check read from buffer
[platform/kernel/u-boot.git]
/
drivers
/
usb
/
emul
/
sandbox_flash.c
diff --git
a/drivers/usb/emul/sandbox_flash.c
b/drivers/usb/emul/sandbox_flash.c
index
edabc1b
..
cc80f67
100644
(file)
--- a/
drivers/usb/emul/sandbox_flash.c
+++ b/
drivers/usb/emul/sandbox_flash.c
@@
-345,6
+345,8
@@
static int sandbox_flash_bulk(struct udevice *dev, struct usb_device *udev,
} else {
if (priv->alloc_len && len > priv->alloc_len)
len = priv->alloc_len;
+ if (len > sizeof(priv->buff))
+ len = sizeof(priv->buff);
memcpy(buff, priv->buff, len);
priv->phase = PHASE_STATUS;
}