Re: [PATCH net] net: kcm: Hold RCU read lock while running BPF parser

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email protected]>:

On Thu, 13 Aug 2026 12:51:36 +0900 you wrote:
> kcm_parse_func_strparser() calls bpf_prog_run_pin_on_cpu() which
> prevents CPU migration, but does not establish an RCU read-side
> critical section. Consequently, BPF map operations can trigger
> WARN_ON_ONCE(!bpf_rcu_lock_held()) when called from the KCM strparser
> program.
> 
> Hold the RCU read lock while running the program.
> 
> [...]

Here is the summary with links:
  - [net] net: kcm: Hold RCU read lock while running BPF parser
    https://git.kernel.org/netdev/net/c/b0346dd64e49

You are awesome, thank you!
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