Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed, 25 Aug 2021 08:57:42 +0800 you wrote:

Ensure a valid XSK buffer before proceed to free the xdp buffer.

The following kernel panic is observed without this patch:

RIP: 0010:xp_free+0x5/0x40
Call Trace:
stmmac_napi_poll_rxtx+0x332/0xb30 [stmmac]
? stmmac_tx_timer+0x3c/0xb0 [stmmac]
net_rx_action+0x13d/0x3d0
__do_softirq+0xfc/0x2fb
? smpboot_register_percpu_thread+0xe0/0xe0
run_ksoftirqd+0x32/0x70
smpboot_thread_fn+0x1d8/0x2c0
kthread+0x169/0x1a0
? kthread_park+0x90/0x90
ret_from_fork+0x1f/0x30

[...]

Here is the summary with links:
  - [net,v2,1/1] net: stmmac: fix kernel panic due to NULL pointer dereference of buf->xdp
    https://git.kernel.org/netdev/net/c/2b9fff64f032

You are awesome, thank you!
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