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etcp: защита от UAF в start_keepalive_timer/enter_ready_tcp + диагностика указателей

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- start_keepalive_timer: guard !link->etcp->instance->ua (SIGSEGV на 80 строке)
- etcp_link_enter_ready_tcp: return при etcp->state==2 после reinit/apply_reset/conn_ready
- tcp_server_on_link/enter_ready_tcp: DEBUG_CATEGORY_DEBUG с адресами link/etcp/inst/ua
- topo_node: убрать лишние DEBUG_CATEGORY_DEBUG (chain_rtt)
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evgeny committed 2026-09-11 17:13:35 +03:00
1 parent 7de636be6e
commit be1f08b43e
3 files changed
+14 -7
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src/routing_layer/topo_node.c
-7
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@@ -564,24 +564,17 @@ void topo_node_ping_update_rtt(struct TOPO_GROUPS* groups, uint64_t node_id, uin
uint16_t topo_get_chain_rtt(struct TOPO_GROUP_NODE* nq) {
if (!nq || !nq->paths || !nq->paths->head) {
DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "chain_rtt: nid=%016llx NO PATHS", (unsigned long long)(nq ? nq->node_id : 0));
return 0xFFFF;
}
uint16_t best = 0xFFFF;
for (struct ll_entry* e = nq->paths->head; e; e = e->next) {
struct TOPO_NODEPATH* p = (struct TOPO_NODEPATH*)e;
if (!p->conn || !p->conn->links_up || !p->conn->rtt_last) {
DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "chain_rtt: nid=%016llx SKIP conn=%s up=%d rtt=%u cum=%u",
(unsigned long long)nq->node_id, p->conn ? p->conn->log_name : "NULL",
p->conn ? p->conn->links_up : 0, p->conn ? p->conn->rtt_last : 0, p->cumulative_rtt);
continue;
}
uint16_t total = (uint16_t)((uint32_t)p->conn->rtt_last + p->cumulative_rtt);
DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "chain_rtt: nid=%016llx PATH %s rtt=%u+cum=%u=%u best=%u",
(unsigned long long)nq->node_id, p->conn->log_name, p->conn->rtt_last, p->cumulative_rtt, total, best);
if (total < best) best = total;
}
DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "chain_rtt: nid=%016llx RESULT=%u(0x%04X)", (unsigned long long)nq->node_id, best, best);
return best;
}