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fix seccomp prevented call to disallowed arm system call 422 on 32bits Androids <= 10

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wwqgtxx
2026-02-21 17:51:52 +08:00
parent fb9ffa0b82
commit 5cd01b178a
6 changed files with 109 additions and 0 deletions
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33
.github/patch/disable_pidfd_on_android.patch vendored Normal file
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@@ -0,0 +1,33 @@
From 7115c480196f4bdcbdae5e14ebaa4510540680e9 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Tue, 27 Jan 2026 09:52:22 -0800
Subject: [PATCH] [tailscale] os: disable pidfd on Android
Updates tailscale/tailscale#13452
Updates golang/go#70508
Updates tailscale/go#99
---
src/os/pidfd_linux.go | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/os/pidfd_linux.go b/src/os/pidfd_linux.go
index 796d8c018c7f2a..5cdbf1175e0db5 100644
--- a/src/os/pidfd_linux.go
+++ b/src/os/pidfd_linux.go
@@ -138,6 +138,16 @@ func (p *Process) pidfdSendSignal(s syscall.Signal) error {
// pidfdWorks returns whether we can use pidfd on this system.
func pidfdWorks() bool {
+ if runtime.GOOS == "android" {
+ // Tailscale-specific workaround since https://github.com/golang/go/pull/69543/commits/aad6b3b32c81795f86bc4a9e81aad94899daf520
+ // does not solve https://github.com/golang/go/issues/69065 for Android apps using Go libraries.
+ //
+ // See: https://github.com/tailscale/tailscale/issues/13452
+ //
+ // For now (2025-04-09), we'll just disable pidfd
+ // on all Android releases.
+ return false
+ }
return checkPidfdOnce() == nil
}