diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-03 07:42:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-03 07:42:58 +0200 |
| commit | 35f4a629641b812e04fadef087da5d6af59e32d7 (patch) | |
| tree | 9cd5010ed6c0bf18cb631e60149a16ecccd9e0f3 /net/ipv4/tcp.c | |
| parent | fc88bb11617978fb3fcfcc697fd5c9d2dae9c4a3 (diff) | |
| parent | 431c1646e1f86b949fa3685efc50b660a364c2b6 (diff) | |
Merge 6.11-rc6 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index e03a342c9162..831a18dc7aa6 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -4637,6 +4637,13 @@ int tcp_abort(struct sock *sk, int err) /* Don't race with userspace socket closes such as tcp_close. */ lock_sock(sk); + /* Avoid closing the same socket twice. */ + if (sk->sk_state == TCP_CLOSE) { + if (!has_current_bpf_ctx()) + release_sock(sk); + return -ENOENT; + } + if (sk->sk_state == TCP_LISTEN) { tcp_set_state(sk, TCP_CLOSE); inet_csk_listen_stop(sk); @@ -4646,16 +4653,13 @@ int tcp_abort(struct sock *sk, int err) local_bh_disable(); bh_lock_sock(sk); - if (!sock_flag(sk, SOCK_DEAD)) { - if (tcp_need_reset(sk->sk_state)) - tcp_send_active_reset(sk, GFP_ATOMIC, - SK_RST_REASON_NOT_SPECIFIED); - tcp_done_with_error(sk, err); - } + if (tcp_need_reset(sk->sk_state)) + tcp_send_active_reset(sk, GFP_ATOMIC, + SK_RST_REASON_NOT_SPECIFIED); + tcp_done_with_error(sk, err); bh_unlock_sock(sk); local_bh_enable(); - tcp_write_queue_purge(sk); if (!has_current_bpf_ctx()) release_sock(sk); return 0; |