Hello:
This series was applied to netdev/net.git (main)
by Jakub Kicinski <k...@kernel.org>:
On Mon, 9 Jun 2025 17:12:44 -0700 you wrote:
> A not-so-careful NAT46 BPF program can crash the kernel
> if it indiscriminately flips ingress packets from v4 to v6:
>
> BUG: kernel NULL pointer dereference, address: 0000000000000000
> ip6_rcv_core (net/ipv6/ip6_input.c:190:20)
> ipv6_rcv (net/ipv6/ip6_input.c:306:8)
> process_backlog (net/core/dev.c:6186:4)
> napi_poll (net/core/dev.c:6906:9)
> net_rx_action (net/core/dev.c:7028:13)
> do_softirq (kernel/softirq.c:462:3)
> netif_rx (net/core/dev.c:5326:3)
> dev_loopback_xmit (net/core/dev.c:4015:2)
> ip_mc_finish_output (net/ipv4/ip_output.c:363:8)
> NF_HOOK (./include/linux/netfilter.h:314:9)
> ip_mc_output (net/ipv4/ip_output.c:400:5)
> dst_output (./include/net/dst.h:459:9)
> ip_local_out (net/ipv4/ip_output.c:130:9)
> ip_send_skb (net/ipv4/ip_output.c:1496:8)
> udp_send_skb (net/ipv4/udp.c:1040:8)
> udp_sendmsg (net/ipv4/udp.c:1328:10)
>
> [...]
Here is the summary with links:
- [net,v3,1/2] net: clear the dst when changing skb protocol
https://git.kernel.org/netdev/net/c/ba9db6f907ac
- [net,v3,2/2] selftests: net: add test case for NAT46 looping back dst
https://git.kernel.org/netdev/net/c/567766954b2d
You are awesome, thank you!
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