[PATCH net] net: stmmac: fix the crash issue for zero copy XDP_TX action

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Mon Dec 29 08:40:06 PST 2025


Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni at redhat.com>:

On Thu,  4 Dec 2025 15:13:32 +0800 you wrote:
> There is a crash issue when running zero copy XDP_TX action, the crash
> log is shown below.
> 
> [  216.122464] Unable to handle kernel paging request at virtual address fffeffff80000000
> [  216.187524] Internal error: Oops: 0000000096000144 [#1]  SMP
> [  216.301694] Call trace:
> [  216.304130]  dcache_clean_poc+0x20/0x38 (P)
> [  216.308308]  __dma_sync_single_for_device+0x1bc/0x1e0
> [  216.313351]  stmmac_xdp_xmit_xdpf+0x354/0x400
> [  216.317701]  __stmmac_xdp_run_prog+0x164/0x368
> [  216.322139]  stmmac_napi_poll_rxtx+0xba8/0xf00
> [  216.326576]  __napi_poll+0x40/0x218
> [  216.408054] Kernel panic - not syncing: Oops: Fatal exception in interrupt
> 
> [...]

Here is the summary with links:
  - [net] net: stmmac: fix the crash issue for zero copy XDP_TX action
    https://git.kernel.org/netdev/net/c/a48e23221000

You are awesome, thank you!
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