Hello:
This series was applied to netdev/net.git (main)
by Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>:
On Thu, 22 Aug 2024 12:18:40 +0200 you wrote:
> From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
>
> The sequence counter nft_counter_seq is a per-CPU counter. There is no
> lock associated with it. nft_counter_do_eval() is using the same counter
> and disables BH which suggest that it can be invoked from a softirq.
> This in turn means that nft_counter_offload_stats(), which disables only
> preemption, can be interrupted by nft_counter_do_eval() leading to two
> writer for one seqcount_t.
> This can lead to loosing stats or reading statistics while they are
> updated.
>
> [...]
Here is the summary with links:
- [net,1/3] netfilter: nft_counter: Disable BH in nft_counter_offload_stats().
https://git.kernel.org/netdev/net/c/1eacdd71b343
- [net,2/3] netfilter: nft_counter: Synchronize nft_counter_reset() against reader.
https://git.kernel.org/netdev/net/c/a0b39e2dc701
- [net,3/3] netfilter: flowtable: validate vlan header
https://git.kernel.org/netdev/net/c/6ea14ccb60c8
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
