[PATCH bpf-next v4 2/3] bpf, sockmap: avoid using sk_socket after free when reading

There are potential concurrency issues, as shown below. ''' CPU0 CPU1 sk_psock_verdict_data_ready: socket *sock = sk->sk_socket if (!sock) return close(fd): ...

Re: [PATCH bpf-next v4 2/3] bpf, sockmap: avoid using sk_socket after free when reading

On Tue, Apr 8, 2025 at 12:31 AM Jiayuan Chen wrote: > > There are potential concurrency issues, as shown below. > ''' > CPU0 CPU1 > sk_psock_verdict_data_ready: > socket *sock = sk->sk_socket > if (!sock) return >close(fd): >