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-rw-r--r--net/rxrpc/ar-internal.h2
-rw-r--r--net/rxrpc/call_accept.c5
-rw-r--r--net/rxrpc/call_object.c6
-rw-r--r--net/rxrpc/conn_event.c33
-rw-r--r--net/rxrpc/conn_object.c1
-rw-r--r--net/rxrpc/input.c2
-rw-r--r--net/rxrpc/output.c3
-rw-r--r--net/rxrpc/peer_event.c16
-rw-r--r--net/rxrpc/peer_object.c12
-rw-r--r--net/rxrpc/recvmsg.c19
-rw-r--r--net/rxrpc/rxperf.c12
-rw-r--r--net/rxrpc/sendmsg.c2
12 files changed, 76 insertions, 37 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index d0fd37bdcfe9..6b036c0564c7 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -567,6 +567,7 @@ enum rxrpc_call_flag {
RXRPC_CALL_EXCLUSIVE, /* The call uses a once-only connection */
RXRPC_CALL_RX_IS_IDLE, /* recvmsg() is idle - send an ACK */
RXRPC_CALL_RECVMSG_READ_ALL, /* recvmsg() read all of the received data */
+ RXRPC_CALL_CONN_CHALLENGING, /* The connection is being challenged */
};
/*
@@ -587,7 +588,6 @@ enum rxrpc_call_state {
RXRPC_CALL_CLIENT_AWAIT_REPLY, /* - client awaiting reply */
RXRPC_CALL_CLIENT_RECV_REPLY, /* - client receiving reply phase */
RXRPC_CALL_SERVER_PREALLOC, /* - service preallocation */
- RXRPC_CALL_SERVER_SECURING, /* - server securing request connection */
RXRPC_CALL_SERVER_RECV_REQUEST, /* - server receiving request */
RXRPC_CALL_SERVER_ACK_REQUEST, /* - server pending ACK of request */
RXRPC_CALL_SERVER_SEND_REPLY, /* - server sending reply */
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index 0f5a1d77b890..37ac8a665678 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -149,6 +149,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
id_in_use:
write_unlock(&rx->call_lock);
+ rxrpc_prefail_call(call, RXRPC_CALL_LOCAL_ERROR, -EBADSLT);
rxrpc_cleanup_call(call);
_leave(" = -EBADSLT");
return -EBADSLT;
@@ -218,6 +219,7 @@ void rxrpc_discard_prealloc(struct rxrpc_sock *rx)
tail = b->call_backlog_tail;
while (CIRC_CNT(head, tail, size) > 0) {
struct rxrpc_call *call = b->call_backlog[tail];
+ rxrpc_see_call(call, rxrpc_call_see_discard);
rcu_assign_pointer(call->socket, rx);
if (rx->discard_new_call) {
_debug("discard %lx", call->user_call_ID);
@@ -253,6 +255,9 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct rxrpc_sock *rx,
unsigned short call_tail, conn_tail, peer_tail;
unsigned short call_count, conn_count;
+ if (!b)
+ return NULL;
+
/* #calls >= #conns >= #peers must hold true. */
call_head = smp_load_acquire(&b->call_backlog_head);
call_tail = b->call_backlog_tail;
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index f9e983a12c14..e379a2a9375a 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -22,7 +22,6 @@ const char *const rxrpc_call_states[NR__RXRPC_CALL_STATES] = {
[RXRPC_CALL_CLIENT_AWAIT_REPLY] = "ClAwtRpl",
[RXRPC_CALL_CLIENT_RECV_REPLY] = "ClRcvRpl",
[RXRPC_CALL_SERVER_PREALLOC] = "SvPrealc",
- [RXRPC_CALL_SERVER_SECURING] = "SvSecure",
[RXRPC_CALL_SERVER_RECV_REQUEST] = "SvRcvReq",
[RXRPC_CALL_SERVER_ACK_REQUEST] = "SvAckReq",
[RXRPC_CALL_SERVER_SEND_REPLY] = "SvSndRpl",
@@ -453,17 +452,16 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
call->cong_tstamp = skb->tstamp;
__set_bit(RXRPC_CALL_EXPOSED, &call->flags);
- rxrpc_set_call_state(call, RXRPC_CALL_SERVER_SECURING);
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_RECV_REQUEST);
spin_lock(&conn->state_lock);
switch (conn->state) {
case RXRPC_CONN_SERVICE_UNSECURED:
case RXRPC_CONN_SERVICE_CHALLENGING:
- rxrpc_set_call_state(call, RXRPC_CALL_SERVER_SECURING);
+ __set_bit(RXRPC_CALL_CONN_CHALLENGING, &call->flags);
break;
case RXRPC_CONN_SERVICE:
- rxrpc_set_call_state(call, RXRPC_CALL_SERVER_RECV_REQUEST);
break;
case RXRPC_CONN_ABORTED:
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index 598b4ee389fc..c4eb7986efdd 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -63,11 +63,12 @@ int rxrpc_abort_conn(struct rxrpc_connection *conn, struct sk_buff *skb,
/*
* Mark a connection as being remotely aborted.
*/
-static bool rxrpc_input_conn_abort(struct rxrpc_connection *conn,
+static void rxrpc_input_conn_abort(struct rxrpc_connection *conn,
struct sk_buff *skb)
{
- return rxrpc_set_conn_aborted(conn, skb, skb->priority, -ECONNABORTED,
- RXRPC_CALL_REMOTELY_ABORTED);
+ trace_rxrpc_rx_conn_abort(conn, skb);
+ rxrpc_set_conn_aborted(conn, skb, skb->priority, -ECONNABORTED,
+ RXRPC_CALL_REMOTELY_ABORTED);
}
/*
@@ -202,11 +203,14 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn)
for (i = 0; i < RXRPC_MAXCALLS; i++) {
call = conn->channels[i].call;
- if (call)
+ if (call) {
+ rxrpc_see_call(call, rxrpc_call_see_conn_abort);
rxrpc_set_call_completion(call,
conn->completion,
conn->abort_code,
conn->error);
+ rxrpc_poke_call(call, rxrpc_call_poke_conn_abort);
+ }
}
_leave("");
@@ -218,10 +222,8 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn)
*/
static void rxrpc_call_is_secure(struct rxrpc_call *call)
{
- if (call && __rxrpc_call_state(call) == RXRPC_CALL_SERVER_SECURING) {
- rxrpc_set_call_state(call, RXRPC_CALL_SERVER_RECV_REQUEST);
+ if (call && __test_and_clear_bit(RXRPC_CALL_CONN_CHALLENGING, &call->flags))
rxrpc_notify_socket(call);
- }
}
/*
@@ -262,6 +264,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
* we've already received the packet, put it on the
* front of the queue.
*/
+ sp->conn = rxrpc_get_connection(conn, rxrpc_conn_get_poke_secured);
skb->mark = RXRPC_SKB_MARK_SERVICE_CONN_SECURED;
rxrpc_get_skb(skb, rxrpc_skb_get_conn_secured);
skb_queue_head(&conn->local->rx_queue, skb);
@@ -427,14 +430,16 @@ void rxrpc_input_conn_event(struct rxrpc_connection *conn, struct sk_buff *skb)
if (test_and_clear_bit(RXRPC_CONN_EV_ABORT_CALLS, &conn->events))
rxrpc_abort_calls(conn);
- switch (skb->mark) {
- case RXRPC_SKB_MARK_SERVICE_CONN_SECURED:
- if (conn->state != RXRPC_CONN_SERVICE)
- break;
+ if (skb) {
+ switch (skb->mark) {
+ case RXRPC_SKB_MARK_SERVICE_CONN_SECURED:
+ if (conn->state != RXRPC_CONN_SERVICE)
+ break;
- for (loop = 0; loop < RXRPC_MAXCALLS; loop++)
- rxrpc_call_is_secure(conn->channels[loop].call);
- break;
+ for (loop = 0; loop < RXRPC_MAXCALLS; loop++)
+ rxrpc_call_is_secure(conn->channels[loop].call);
+ break;
+ }
}
/* Process delayed ACKs whose time has come. */
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index 1539d315afe7..7bc68135966e 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -67,6 +67,7 @@ struct rxrpc_connection *rxrpc_alloc_connection(struct rxrpc_net *rxnet,
INIT_WORK(&conn->destructor, rxrpc_clean_up_connection);
INIT_LIST_HEAD(&conn->proc_link);
INIT_LIST_HEAD(&conn->link);
+ INIT_LIST_HEAD(&conn->attend_link);
mutex_init(&conn->security_lock);
mutex_init(&conn->tx_data_alloc_lock);
skb_queue_head_init(&conn->rx_queue);
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 16d49a861dbb..6a075a7c190d 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -573,7 +573,7 @@ static bool rxrpc_input_split_jumbo(struct rxrpc_call *call, struct sk_buff *skb
rxrpc_propose_delay_ACK(call, sp->hdr.serial,
rxrpc_propose_ack_input_data);
}
- if (notify) {
+ if (notify && !test_bit(RXRPC_CALL_CONN_CHALLENGING, &call->flags)) {
trace_rxrpc_notify_socket(call->debug_id, sp->hdr.serial);
rxrpc_notify_socket(call);
}
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 5ea9601efd05..ccfae607c9bb 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -590,6 +590,9 @@ void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb)
__be32 code;
int ret, ioc;
+ if (sp->hdr.type == RXRPC_PACKET_TYPE_ABORT)
+ return; /* Never abort an abort. */
+
rxrpc_see_skb(skb, rxrpc_skb_see_reject);
iov[0].iov_base = &whdr;
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index 552ba84a255c..5d0842efde69 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -238,7 +238,7 @@ static void rxrpc_peer_keepalive_dispatch(struct rxrpc_net *rxnet,
bool use;
int slot;
- spin_lock(&rxnet->peer_hash_lock);
+ spin_lock_bh(&rxnet->peer_hash_lock);
while (!list_empty(collector)) {
peer = list_entry(collector->next,
@@ -249,7 +249,7 @@ static void rxrpc_peer_keepalive_dispatch(struct rxrpc_net *rxnet,
continue;
use = __rxrpc_use_local(peer->local, rxrpc_local_use_peer_keepalive);
- spin_unlock(&rxnet->peer_hash_lock);
+ spin_unlock_bh(&rxnet->peer_hash_lock);
if (use) {
keepalive_at = peer->last_tx_at + RXRPC_KEEPALIVE_TIME;
@@ -269,17 +269,17 @@ static void rxrpc_peer_keepalive_dispatch(struct rxrpc_net *rxnet,
*/
slot += cursor;
slot &= mask;
- spin_lock(&rxnet->peer_hash_lock);
+ spin_lock_bh(&rxnet->peer_hash_lock);
list_add_tail(&peer->keepalive_link,
&rxnet->peer_keepalive[slot & mask]);
- spin_unlock(&rxnet->peer_hash_lock);
+ spin_unlock_bh(&rxnet->peer_hash_lock);
rxrpc_unuse_local(peer->local, rxrpc_local_unuse_peer_keepalive);
}
rxrpc_put_peer(peer, rxrpc_peer_put_keepalive);
- spin_lock(&rxnet->peer_hash_lock);
+ spin_lock_bh(&rxnet->peer_hash_lock);
}
- spin_unlock(&rxnet->peer_hash_lock);
+ spin_unlock_bh(&rxnet->peer_hash_lock);
}
/*
@@ -309,7 +309,7 @@ void rxrpc_peer_keepalive_worker(struct work_struct *work)
* second; the bucket at cursor + 1 goes at now + 1s and so
* on...
*/
- spin_lock(&rxnet->peer_hash_lock);
+ spin_lock_bh(&rxnet->peer_hash_lock);
list_splice_init(&rxnet->peer_keepalive_new, &collector);
stop = cursor + ARRAY_SIZE(rxnet->peer_keepalive);
@@ -321,7 +321,7 @@ void rxrpc_peer_keepalive_worker(struct work_struct *work)
}
base = now;
- spin_unlock(&rxnet->peer_hash_lock);
+ spin_unlock_bh(&rxnet->peer_hash_lock);
rxnet->peer_keepalive_base = base;
rxnet->peer_keepalive_cursor = cursor;
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index 49dcda67a0d5..956fc7ea4b73 100644
--- a/net/rxrpc/peer_object.c
+++ b/net/rxrpc/peer_object.c
@@ -313,10 +313,10 @@ void rxrpc_new_incoming_peer(struct rxrpc_local *local, struct rxrpc_peer *peer)
hash_key = rxrpc_peer_hash_key(local, &peer->srx);
rxrpc_init_peer(local, peer, hash_key);
- spin_lock(&rxnet->peer_hash_lock);
+ spin_lock_bh(&rxnet->peer_hash_lock);
hash_add_rcu(rxnet->peer_hash, &peer->hash_link, hash_key);
list_add_tail(&peer->keepalive_link, &rxnet->peer_keepalive_new);
- spin_unlock(&rxnet->peer_hash_lock);
+ spin_unlock_bh(&rxnet->peer_hash_lock);
}
/*
@@ -348,7 +348,7 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_local *local,
return NULL;
}
- spin_lock(&rxnet->peer_hash_lock);
+ spin_lock_bh(&rxnet->peer_hash_lock);
/* Need to check that we aren't racing with someone else */
peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key);
@@ -361,7 +361,7 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_local *local,
&rxnet->peer_keepalive_new);
}
- spin_unlock(&rxnet->peer_hash_lock);
+ spin_unlock_bh(&rxnet->peer_hash_lock);
if (peer)
rxrpc_free_peer(candidate);
@@ -411,10 +411,10 @@ static void __rxrpc_put_peer(struct rxrpc_peer *peer)
ASSERT(hlist_empty(&peer->error_targets));
- spin_lock(&rxnet->peer_hash_lock);
+ spin_lock_bh(&rxnet->peer_hash_lock);
hash_del_rcu(&peer->hash_link);
list_del_init(&peer->keepalive_link);
- spin_unlock(&rxnet->peer_hash_lock);
+ spin_unlock_bh(&rxnet->peer_hash_lock);
rxrpc_free_peer(peer);
}
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index a482f88c5fc5..e24a44bae9a3 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -351,6 +351,16 @@ try_again:
goto try_again;
}
+ rxrpc_see_call(call, rxrpc_call_see_recvmsg);
+ if (test_bit(RXRPC_CALL_RELEASED, &call->flags)) {
+ rxrpc_see_call(call, rxrpc_call_see_already_released);
+ list_del_init(&call->recvmsg_link);
+ spin_unlock_irq(&rx->recvmsg_lock);
+ release_sock(&rx->sk);
+ trace_rxrpc_recvmsg(call->debug_id, rxrpc_recvmsg_unqueue, 0);
+ rxrpc_put_call(call, rxrpc_call_put_recvmsg);
+ goto try_again;
+ }
if (!(flags & MSG_PEEK))
list_del_init(&call->recvmsg_link);
else
@@ -374,8 +384,13 @@ try_again:
release_sock(&rx->sk);
- if (test_bit(RXRPC_CALL_RELEASED, &call->flags))
- BUG();
+ if (test_bit(RXRPC_CALL_RELEASED, &call->flags)) {
+ rxrpc_see_call(call, rxrpc_call_see_already_released);
+ mutex_unlock(&call->user_mutex);
+ if (!(flags & MSG_PEEK))
+ rxrpc_put_call(call, rxrpc_call_put_recvmsg);
+ goto try_again;
+ }
if (test_bit(RXRPC_CALL_HAS_USERID, &call->flags)) {
if (flags & MSG_CMSG_COMPAT) {
diff --git a/net/rxrpc/rxperf.c b/net/rxrpc/rxperf.c
index 085e7892d310..b1536da2246b 100644
--- a/net/rxrpc/rxperf.c
+++ b/net/rxrpc/rxperf.c
@@ -478,6 +478,18 @@ static int rxperf_deliver_request(struct rxperf_call *call)
call->unmarshal++;
fallthrough;
case 2:
+ ret = rxperf_extract_data(call, true);
+ if (ret < 0)
+ return ret;
+
+ /* Deal with the terminal magic cookie. */
+ call->iov_len = 4;
+ call->kvec[0].iov_len = call->iov_len;
+ call->kvec[0].iov_base = call->tmp;
+ iov_iter_kvec(&call->iter, READ, call->kvec, 1, call->iov_len);
+ call->unmarshal++;
+ fallthrough;
+ case 3:
ret = rxperf_extract_data(call, false);
if (ret < 0)
return ret;
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 23d18fe5de9f..154f650efb0a 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -654,7 +654,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
} else {
switch (rxrpc_call_state(call)) {
case RXRPC_CALL_CLIENT_AWAIT_CONN:
- case RXRPC_CALL_SERVER_SECURING:
+ case RXRPC_CALL_SERVER_RECV_REQUEST:
if (p.command == RXRPC_CMD_SEND_ABORT)
break;
fallthrough;