[GH-ISSUE #5610] NetBird UI crashes with SIGSEGV on macOS 26.3.2 (Tahoe) - outdated go-m1cpu dependency #11541

New Issue

saavagebueno · 2026-08-05T01:29:59-04:00

saavagebueno commented

2026-08-05 01:29:59 -04:00

Originally created by @liborpolansky on GitHub (Mar 17, 2026).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/5610

Description

NetBird UI (/Applications/NetBird.app) crashes immediately on launch with SIGSEGV (segmentation violation) on macOS 26.3.2 Tahoe (Apple Silicon arm64). The CLI daemon works correctly.

Environment

OS: macOS 26.3.2 (Build 25D2140), Apple Silicon (darwin/arm64)
- NetBird version: 0.66.4 (daemon + CLI)
- - Installation method: DMG package

Steps to reproduce

Install NetBird from DMG on macOS 26 Tahoe
1. Run netbird up via CLI (connects successfully)
1. Launch /Applications/NetBird.app — crashes immediately

Crash log (truncated)

SIGSEGV: segmentation violation
PC=0x18c5094f8 m=0 sigcode=2 addr=0x0
signal arrived during cgo execution

goroutine 1:
runtime.cgocall(...)
github.com/shoenig/go-m1cpu._Cfunc_initialize()
github.com/shoenig/go-m1cpu.init.0()
  /Users/runner/go/pkg/mod/github.com/shoenig/go-m1cpu@v0.1.6/cpu.go:148

Root cause

This is a known bug in go-m1cpu v0.1.6 which has been fixed upstream:

https://github.com/shoenig/go-m1cpu/issues/25
- https://github.com/shoenig/go-m1cpu/pull/26
- - https://github.com/shoenig/go-m1cpu/pull/27
    The library crashes on newer Apple Silicon chips / macOS versions due to missing null checks when accessing IOKit properties.

Suggested fix

Update the go-m1cpu dependency to the latest version that includes the fix from PR #26 and #27.

Workaround

CLI (netbird up / netbird down / netbird status) works correctly. Only the GUI is affected.

Originally created by @liborpolansky on GitHub (Mar 17, 2026). Original GitHub issue: https://github.com/netbirdio/netbird/issues/5610 ## Description NetBird UI (`/Applications/NetBird.app`) crashes immediately on launch with SIGSEGV (segmentation violation) on macOS 26.3.2 Tahoe (Apple Silicon arm64). The CLI daemon works correctly. ## Environment - **OS:** macOS 26.3.2 (Build 25D2140), Apple Silicon (darwin/arm64) - - **NetBird version:** 0.66.4 (daemon + CLI) - - - **Installation method:** DMG package ## Steps to reproduce 1. Install NetBird from DMG on macOS 26 Tahoe 2. 2. Run `netbird up` via CLI (connects successfully) 3. 3. Launch `/Applications/NetBird.app` — crashes immediately ## Crash log (truncated) ``` SIGSEGV: segmentation violation PC=0x18c5094f8 m=0 sigcode=2 addr=0x0 signal arrived during cgo execution goroutine 1: runtime.cgocall(...) github.com/shoenig/go-m1cpu._Cfunc_initialize() github.com/shoenig/go-m1cpu.init.0() /Users/runner/go/pkg/mod/github.com/shoenig/go-m1cpu@v0.1.6/cpu.go:148 ``` ## Root cause This is a known bug in `go-m1cpu` v0.1.6 which has been fixed upstream: - https://github.com/shoenig/go-m1cpu/issues/25 - - https://github.com/shoenig/go-m1cpu/pull/26 - - - https://github.com/shoenig/go-m1cpu/pull/27 The library crashes on newer Apple Silicon chips / macOS versions due to missing null checks when accessing IOKit properties. ## Suggested fix Update the `go-m1cpu` dependency to the latest version that includes the fix from PR #26 and #27. ## Workaround CLI (`netbird up` / `netbird down` / `netbird status`) works correctly. Only the GUI is affected.

saavagebueno closed this issue

2026-08-05 01:29:59 -04:00

saavagebueno commented

2026-08-05 01:29:59 -04:00

@maxpain commented on GitHub (Mar 17, 2026):

The same problem on M5 Max

@maxpain commented on GitHub (Mar 17, 2026): The same problem on M5 Max

saavagebueno commented

2026-08-05 01:29:59 -04:00

@chriskaepsele commented on GitHub (Mar 17, 2026):

Happening on M5 Pro as well.

@chriskaepsele commented on GitHub (Mar 17, 2026): Happening on M5 Pro as well.

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android/gui-integration

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dependabot/npm_and_yarn/proxy/web/npm_and_yarn-b39864987c

agent-network-setup-poc

dependabot/go_modules/aws-sdk-8f849ebaed

dependabot/github_actions/actions-a940c7c866

dependabot/go_modules/otel-e34c790afd

dependabot/go_modules/testcontainers-de325c0dd6

dependabot/go_modules/wireguard-dbd6b95108

dependabot/go_modules/pion-5f703e1eca

dependabot/go_modules/gorm-2271c8195b

fix-login-needed-check

dependabot/go_modules/google.golang.org/grpc-1.82.1

fix/ui-gtk3-support

enterprise-traefik-and-migration-fixes

disambiguate_p2p_metrics

revert/component-types-hookup

embedded-vnc

feature/ios-ssh

docs/agent-network-docs-update

dependabot/go_modules/github.com/aws/aws-sdk-go-v2/service/s3-1.106.3

dependabot/go_modules/github.com/pion/stun/v3-3.1.5

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peer-acl-multi-source

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dependabot/go_modules/github.com/gopacket/gopacket-1.7.0

dependabot/go_modules/goauthentik.io/api/v3-3.2026050.6

dependabot/go_modules/github.com/pires/go-proxyproto-0.15.0

dependabot/go_modules/github.com/jackc/pgx/v5-5.10.0

dependabot/go_modules/github.com/oapi-codegen/runtime-1.6.0

dependabot/go_modules/github.com/eko/gocache/lib/v4-4.2.4

dependabot/go_modules/github.com/pkg/sftp-1.13.11

dependabot/go_modules/github.com/coreos/go-oidc/v3-3.20.0

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Reference: DYNR/netbird#11541