Re: [PATCH net-next v2] net: usb: cx82310_eth: bound partial-frame remainder by current skb length
From: Jakub Kicinski <kuba@kernel.org>
Date: 2026-08-18 17:21:51
Also in:
linux-usb
On Mon, 17 Aug 2026 21:54:34 +0200 Jason Winter wrote:
quoted hunk ↗ jump to hunk
@@ -251,6 +251,13 @@ static int cx82310_rx_fixup(struct usbnet *dev, struct sk_buff *skb) * end of that packet at the beginning. */ if (dev->partial_rem) { + if (dev->partial_rem > skb->len) { + netdev_err(dev->net, + "RX partial frame: need %lu, got %u\n", + dev->partial_rem, skb->len); + dev->partial_rem = 0; + return 0;
Always ratelimit datapath prints. You should probably increment rx_errors as well / instead. -- pw-bot: cr