Re: [PATCH net 1/2] net/sched: cls_u32: fix manual hash table handle IDR aliasing

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Wed, 16 Sep 2026 06:01:14 -0400 you wrote:
> A u32 hash table created with an explicit handle ('tc filter add ...
> handle 801: u32 divisor N') keys its IDR entry on the raw handle, while
> the destroy paths free it under handle2id(handle). The two key domains
> disagree for handles in the 0x800..0xFFF htid range:
> handle2id() folds them back into the auto-allocated id space (1..0x7FF).
> 
> A manual table therefore leaves its raw-keyed IDR entry unreachable on
> delete (a permanent leak), and its delete can drop the idr entry of an
> unrelated live auto table. A later auto allocation can then hand out a
> handle that aliases the live manual table; u32_lookup_ht() first-match
> routes lookups and TCA_U32_LINK for that htid to the wrong table.
> 
> [...]

Here is the summary with links:
  - [net,1/2] net/sched: cls_u32: fix manual hash table handle IDR aliasing
    https://git.kernel.org/netdev/net/c/0a5f5d9e94de
  - [net,2/2] selftests/tc-testing: add u32 manual table handle IDR tests
    https://git.kernel.org/netdev/net/c/960ab631f3d8

You are awesome, thank you!
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