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Prevent CU to process UE context release requests from DUs for UEs with outdated or unexpected association ids

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This commit is contained in:
luis_pereira87
2026-01-29 10:17:42 +01:00
committed by Guido Casati
parent 84a49e93ad
commit d401cf0d31
1 changed files with 10 additions and 0 deletions
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openair2/RRC/NR/rrc_gNB.c
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@@ -2633,6 +2633,16 @@ static void rrc_CU_process_ue_context_release_request(MessageDef *msg_p, sctp_as
// if we receive the release request from the target DU (regardless if // if we receive the release request from the target DU (regardless if
// successful), we assume it is "genuine" and ask the AMF to release // successful), we assume it is "genuine" and ask the AMF to release
nr_rrc_finalize_ho(UE); nr_rrc_finalize_ho(UE);
} else {
f1_ue_data_t ue_data = cu_get_f1_ue_data(UE->rrc_ue_id);
if (ue_data.du_assoc_id != assoc_id) {
LOG_W(NR_RRC,
"UE context release request from unexpected DU with assoc_id %d for rrc_ue_id %d with du_assoc_id %d\n",
assoc_id,
UE->rrc_ue_id,
ue_data.du_assoc_id);
return;
}
} }
/* TODO: marshall types correctly */ /* TODO: marshall types correctly */