[PR #4781] [client] Use stdnet with a context to avoid DNS deadlocks #4403

New Issue

saavagebueno · 2025-11-20T08:08:19-05:00

saavagebueno commented

2025-11-20 08:08:19 -05:00

Original Pull Request: https://github.com/netbirdio/netbird/pull/4781

State: closed
Merged: Yes

Describe your changes

This change allows us to abort DNS requests even if the OS is stuck on the getaddrinfo syscall by cancelling the context.

Issue ticket number and link

Stack

Checklist

Is it a bug fix
Is a typo/documentation fix
Is a feature enhancement
It is a refactor
Created tests that fail without the change (if possible)

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Documentation

Select exactly one:

I added/updated documentation for this change
Documentation is not needed for this change (explain why)

Docs PR URL (required if "docs added" is checked)

Paste the PR link from https://github.com/netbirdio/docs here:

https://github.com/netbirdio/docs/pull/__

Summary by CodeRabbit

New Features
- Context-aware network initialization and new public address-resolution APIs for UDP/TCP.
Bug Fixes
- Propagated context and added per-call DNS timeouts to improve cancellation, error handling, and reliability.
Tests
- Updated tests to use the new context-aware network APIs and signatures.

**Original Pull Request:** https://github.com/netbirdio/netbird/pull/4781 **State:** closed **Merged:** Yes --- ## Describe your changes This change allows us to abort DNS requests even if the OS is stuck on the `getaddrinfo` syscall by cancelling the context. ## Issue ticket number and link ## Stack  ### Checklist - [x] Is it a bug fix - [ ] Is a typo/documentation fix - [ ] Is a feature enhancement - [ ] It is a refactor - [ ] Created tests that fail without the change (if possible) > By submitting this pull request, you confirm that you have read and agree to the terms of the [Contributor License Agreement](https://github.com/netbirdio/netbird/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT.md). ## Documentation Select exactly one: - [ ] I added/updated documentation for this change - [x] Documentation is **not needed** for this change (explain why) ### Docs PR URL (required if "docs added" is checked) Paste the PR link from https://github.com/netbirdio/docs here: https://github.com/netbirdio/docs/pull/__  ## Summary by CodeRabbit * **New Features** * Context-aware network initialization and new public address-resolution APIs for UDP/TCP. * **Bug Fixes** * Propagated context and added per-call DNS timeouts to improve cancellation, error handling, and reliability. * **Tests** * Updated tests to use the new context-aware network APIs and signatures.

saavagebueno added the pull-request label 2025-11-20 08:08:19 -05:00

saavagebueno closed this issue

2025-11-20 08:08:19 -05:00

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feature/affected-peers

dependabot/go_modules/github.com/Azure/go-ntlmssp-0.1.1

debug-logs

ui-refactor

drop-dns-probes

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feat/byod-proxy

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fix/relay-healthcheck-non-standard-port

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ci/freebsd-pkg-bootstrap

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revert-easyjson-5938

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refactor/permissions-manager

wasm-js-func-release

wasm-websocket-dial

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coderabbitai/utg/8ae8f20

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Reference: SVI/netbird#4403