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Sukchan Lee 98f76e98df sgwc/smf: handle late or orphan GTPv2 responses without abort 
Prevent SGW-C and SMF from aborting when receiving late or orphan
GTPv2 bearer responses (Create/Update/Delete Bearer).

This change removes fatal assertions on missing UE/session contexts
and instead treats such cases as "Context Not Found" per 3GPP
TS 29.274.

In addition, improve FSM-level UE/session lookup by retrying context
identification using the locally stored TEID when the received TEID
is missing, zero, or no longer valid. This aligns the behavior with
TS 29.274 §5.5.2 and allows graceful handling of late responses after
context cleanup.

Together, these changes ensure that late or orphan GTPv2 responses
never crash SGW-C or SMF and are handled gracefully.

Issues: #4225
2026-01-11 11:23:56 +09:00
.github Update cifuzz 2025-02-04 21:09:20 +09:00
configs [HR] Implement handling of UE-initiated PDU Session Modification (#2194) 2025-06-30 10:07:06 +09:00
debian Release v2.7.6 2025-07-19 10:32:41 +09:00
docker Replaced deprecated libidn11-dev with libidn-dev across the project. 2025-01-19 12:21:51 +09:00
docs Follow-up on #4213 2025-12-23 15:09:13 +09:00
lib core,gtp,pfcp,sgwc: avoid fatal asserts on pool and timer exhaustion 2025-12-30 11:49:40 +09:00
misc Add roaming type toggle via command line (#4211) 2025-12-23 13:53:53 +09:00
src sgwc/smf: handle late or orphan GTPv2 responses without abort 2026-01-11 11:23:56 +09:00
subprojects Tested on FreeBSD-14.1-STABLE (#3350) 2024-08-03 21:45:52 +09:00
tests Fix DNN Operator-Identifier format and refactor OI parsing for HR roaming interop 2025-12-06 22:23:34 +09:00
vagrant Tested on FreeBSD-14.1-STABLE (#3350) 2024-08-03 21:45:52 +09:00
webui Changed mongodb default url from localhost to 127.0.0.1 as specified in https://mongoosejs.com/docs/connections.html. This fix incompatibility issues between webui and nodejs 18+ versions. 2025-10-03 23:38:12 +09:00
.clang-tidy [MISC] Add support for static code analysis 2022-07-01 21:38:47 +09:00
.dockerignore [build] Use local sources to build applications (#1583) 2022-06-19 18:18:09 +09:00
.editorconfig editorconfig: new file (#2746) 2023-11-27 22:21:35 +09:00
.gitignore .gitignore: Add install/ dir 2023-10-10 08:03:25 +09:00
LICENSE Change LICENSE to GNU AGPL v3.0 2017-12-18 10:35:54 +09:00
meson.build Release v2.7.6 2025-07-19 10:32:41 +09:00
meson_options.txt [Fuzzing] oss-fuzz support for fuzzing (#2283) 2023-05-05 17:20:11 +09:00
README.md update document 2024-08-24 19:18:55 +09:00

README.md

Open5GS logo

Getting Started

Please follow the documentation at open5gs.org!

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If you find Open5GS useful for work, please consider supporting this Open Source project by Becoming a sponsor. To manage the funding transactions transparently, you can donate through OpenCollective.

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License

Support

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