Re: [PATCH net v3 1/2] net/sched: cls_u32: fix duplicate handle when node ID pool is exhausted

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Tue, 25 Aug 2026 04:10:51 -0400 you wrote:
> gen_new_kid() falls back to returning max (htid | 0xFFF) when both
> idr_alloc_u32() ranges are full, instead of reporting an error.
> u32_change() trusts that value and inserts a new knode with a handle
> that is already live in the hash table, breaking handle uniqueness
> within the table's node ID space.
> 
> The handle was never reserved in ht->handle_idr, so every later error
> path that does idr_remove(&ht->handle_idr, handle) removes the
> reservation of a different, live knode, which is then reused — one
> failed add compounds into further duplicates.
> 
> [...]

Here is the summary with links:
  - [net,v3,1/2] net/sched: cls_u32: fix duplicate handle when node ID pool is exhausted
    https://git.kernel.org/netdev/net/c/d7e7e98d23f4
  - [net,v3,2/2] selftests: tc-testing: add u32 node ID pool exhaustion test
    https://git.kernel.org/netdev/net/c/7b120a771943

You are awesome, thank you!
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