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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/net/usb/sr9700.c
.. .. @@ -410,7 +410,7 @@
410 410  		/* ignore the CRC length */
411 411  		len = (skb->data[1] | (skb->data[2] << 8)) - 4;
412 412  
413 -		if (len > ETH_FRAME_LEN || len > skb->len)
413 +		if (len > ETH_FRAME_LEN || len > skb->len || len < 0)
414 414  			return 0;
415 415  
416 416  		/* the last packet of current skb */

..	..	@@ -410,7 +410,7 @@
410	410	/* ignore the CRC length */
411	411	len = (skb->data[1] \| (skb->data[2] << 8)) - 4;
412	412
413		- if (len > ETH_FRAME_LEN \|\| len > skb->len)
	413	+ if (len > ETH_FRAME_LEN \|\| len > skb->len \|\| len < 0)
414	414	return 0;
415	415
416	416	/* the last packet of current skb */