Re: [PATCH net] gtp: check skb_pull_data() return in gtp1u_send_echo_resp()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Fri, 10 Jul 2026 23:07:24 +0000 you wrote:
> gtp1u_send_echo_resp() ignores skb_pull_data()'s return value. Its
> caller gtp1u_udp_encap_recv() only guarantees 16 bytes (udphdr +
> gtp1_header), but the pull requests 20 (gtp1_header_long + udphdr). For
> a 16-19 byte echo request the pull fails and returns NULL without
> advancing skb->data; execution continues, and the following skb_push()
> plus the IP header pushed by iptunnel_xmit() move skb->data below
> skb->head, tripping skb_under_panic().
> 
> [...]

Here is the summary with links:
  - [net] gtp: check skb_pull_data() return in gtp1u_send_echo_resp()
    https://git.kernel.org/netdev/net/c/cd170f051dba

You are awesome, thank you!
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