Re: [PATCH v2 net 0/2] net: fix SO_RESERVE_MEM socket type restriction and value bounds

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Fri, 25 Sep 2026 13:52:42 +0000 you wrote:
> This series fixes two issues with SO_RESERVE_MEM and adds a kselftest suite:
> 
> - Patch 1 restricts sock_reserve_memory() to TCP sockets (sk_is_tcp(sk))
>   instead of sk_has_account(sk), and caps the requested reservation to
>   SZ_1G in sk_setsockopt(SO_RESERVE_MEM).
> 
>   Currently, sk_has_account(sk) allows SO_RESERVE_MEM on UDP sockets,
>   where sk->sk_forward_alloc is protected by sk->sk_receive_queue.lock
>   rather than the socket lock, and udp_rmem_release() does not account
>   for sk_unused_reserved_mem(sk). Concurrent UDP packet processing and
>   setsockopt(SO_RESERVE_MEM) corrupt sk_forward_alloc and memcg
>   accounting. In addition, values near INT_MAX overflow 32-bit signed
>   int in sk_mem_pages(delta) and (pages << PAGE_SHIFT).
> 
> [...]

Here is the summary with links:
  - [v2,net,1/2] net: restrict SO_RESERVE_MEM to TCP sockets and cap max value
    https://git.kernel.org/netdev/net/c/37e02c42a00b
  - [v2,net,2/2] selftests/net: add SO_RESERVE_MEM test
    (no matching commit)

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html