Issues

• SHM: unlinking the port's named mutex breaks mutual exclusion in open_port_internal; listener ends up permanently deaf on an unlinked segment (is_port_ok still true)

  eProsima/Fast-DDS#6569 · Filter by author zhubeilife opened on Oct 11, 2026

• GAP for a partially reassembled sample leaves a released change in an unkeyed DataReader's instance; take() then loops forever

  eProsima/Fast-DDS#6567 · Filter by author mfinean opened on Oct 9, 2026

• Reliable transient-local sample remains undelivered after matching with data sharing enabled

  triage
  eProsima/Fast-DDS#6560 · Filter by author davidtvs opened on Oct 1, 2026

• UDP send timeout setting is ineffective.

  triage
  eProsima/Fast-DDS#6553 · Filter by author atshining opened on Sep 28, 2026
  3

• [2.6.11/2.6.12] Async FlowController self-deadlocks while removing a different queued history change

  eProsima/Fast-DDS#6551 · Filter by author windzu opened on Sep 25, 2026

• UDPChannelResource::release() may hang on Windows because shutdown(SD_RECEIVE) does not unblock synchronous receive_from()

  triage
  eProsima/Fast-DDS#6537 · Filter by author owillebo opened on Sep 17, 2026

• SHM health check can wait 333 ms on a healthy idle port and block unrelated publishers

  eProsima/Fast-DDS#6535 · Filter by author cboostjvisser opened on Sep 14, 2026
  1

• Silent metatraffic port mutation defeats unicast initial-peers discovery (ports in the OS dynamic range, Hyper-V exclusions on Windows): please log the move

  eProsima/Fast-DDS#6528 · Filter by author iurii-provizio opened on Sep 6, 2026

• TopicPayloadPoolRegistry: expired() then lock() races an endpoint's destruction; create_datareader dereferences the null pool (SEGV)

  eProsima/Fast-DDS#6526 · Filter by author iurii-provizio opened on Sep 5, 2026

• Host id falls back to a constant (0x017F) when no interface is up: processes started before the network came up on different hosts mis-select each other's shared-memory locators and never communicate

  eProsima/Fast-DDS#6524 · Filter by author iurii-provizio opened on Sep 3, 2026

• Fast DDS accepts a malformed XCDR1 PLAIN_CDR struct payload with an extra internal alignment byte and delivers corrupted field values to application code

  triage
  eProsima/Fast-DDS#6517 · Filter by author wuyuqa opened on Aug 29, 2026

• Fast DDS accepts an XCDR1 payload whose sequence<long, 5> length is zero while trailing serialized elements remain in the sample

  triage
  eProsima/Fast-DDS#6516 · Filter by author wuyuqa opened on Aug 28, 2026

• Fast DDS accepts an XCDR1 enum ordinal outside the declared literal set and delivers it to application code

  triage
  eProsima/Fast-DDS#6514 · Filter by author wuyuqa opened on Aug 28, 2026

• DomainParticipantImpl::set_listener busy-spins with its default infinite timeout (delete_participant burns a core for tens of seconds)

  eProsima/Fast-DDS#6513 · Filter by author iurii-provizio opened on Aug 27, 2026

• Fast DDS accepts a malformed XCDRv2 DELIMIT_CDR2 payload when the top-level DHEADER length is one byte smaller than the actual body length

  triage
  eProsima/Fast-DDS#6512 · Filter by author wuyuqa opened on Aug 27, 2026

• idl_serialize() emits invalid IDL for array typedefs and array union members (typedef double[9] d9; instead of typedef double d9[9];)

  triage
  eProsima/Fast-DDS#6509 · Filter by author akikaede6 opened on Aug 20, 2026

• A deadlock occurs between ResourceEvent::unregister_timer and PDP::check_remote_participant_liveliness.

  triage
  eProsima/Fast-DDS#6502 · Filter by author yszhuu opened on Aug 10, 2026
  5

• NotEnoughMemoryException — "Not enough memory exception" 或 "Insufficient memory exception"

  triage
  eProsima/Fast-DDS#6500 · Filter by author lobmoo opened on Aug 7, 2026
  3

• FastDDS / Fast-CDR accepts invalid appendable XCDRv2 body layout and decodes garbage values

  triage
  eProsima/Fast-DDS#6491 · Filter by author wuyuqa opened on Jul 29, 2026
  1

• FastDDS / Fast-CDR accepts PL_CDR2 encapsulation for an @appendable XCDRv2 type instead of rejecting the representation mismatch

  triage
  eProsima/Fast-DDS#6489 · Filter by author wuyuqa opened on Jul 29, 2026

• Infinite loop in SHM SharedMemManager::Port::recover_blocked_processing() caused by non-recursive mutex re-entrancy

  triage
  eProsima/Fast-DDS#6485 · Filter by author IloveZhengYi opened on Jul 22, 2026
  4

• Large domain IDs under Shared Memory broken

  triage
  eProsima/Fast-DDS#6472 · Filter by author PatrickHaecker opened on Jul 10, 2026

• macOS: second process on a host cannot receive SPDP multicast — SO_REUSEPORT is set only for QNX

  eProsima/Fast-DDS#6470 · Filter by author keskinonur opened on Jul 9, 2026

• SHM does not work in QNX when a process has a child process

  triage
  eProsima/Fast-DDS#6467 · Filter by author wddpfx opened on Jul 8, 2026
  3

• cross compile error

  triage
  eProsima/Fast-DDS#6439 · Filter by author ZouJiu1 opened on Jun 20, 2026