Re: [PATCH bpf] bpf: zero-initialize the fib lookup flow struct
From: patchwork-bot+netdevbpf
Date: Sun Jun 21 2026 - 21:10:43 EST
Hello:
This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Thu, 18 Jun 2026 04:17:19 +0530 you wrote:
> bpf_ipv4_fib_lookup() and bpf_ipv6_fib_lookup() build the flow key on
> the stack with a bare "struct flowi4 fl4;" / "struct flowi6 fl6;" and
> fill it field by field, but never set flowi4_l3mdev / flowi6_l3mdev.
>
> On the non-DIRECT path the lookup goes through the fib rules whenever the
> netns has custom rules, which a VRF installs:
>
> [...]
Here is the summary with links:
- [bpf] bpf: zero-initialize the fib lookup flow struct
https://git.kernel.org/bpf/bpf/c/0dfcb68a6a5a
You are awesome, thank you!
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