Re: [PATCH net] mptcp: protect listener backlog reads in diagnostics

[Cen Zhang]

Hi Eric,

Eric Dumazet <edumazet@xxxxxxxxxx> 于2026年10月26日周一 20:38写道：
>
> Adding these stack traces without symbols is not really nice.
>
> Time to use scripts/decode_stacktrace.sh

Sorry about that, v2 carries the report decoded with
scripts/decode_stacktrace.sh and trimmed to the relevant frames.

> msk->first is a TCP socket: TCP listeners have SOCK_RCU_FREE, and
> tcp_prot / tcpv6_prot use SLAB_TYPESAFE_BY_RCU. Reading two integers
> under rcu_read_lock() is safe, and stale values are fine for diag.

Thanks for the suggestions.

Best regards,
Cen Zhang