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Jesse Rittner 0da7fafac4 net: fix ListenMulitcastUDP to work properly when interface has no IPv4
The existing implementation would either fail or bind to the wrong interface
when the requested interface had no IPv4 address, such as when the Ethernet cable
was unplugged.

Now on Linux, it will always bind to the requested interface.
On other operating systems, it will consistently fail if the requested interface
has no IPv4 address.

Fixes #70132

Change-Id: I22ec7f9d4adaa4b5afb21fc448050fb4219cacee
Reviewed-on: https://go-review.googlesource.com/c/go/+/644375
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2025-02-06 09:36:55 -08:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api io/fs: add ReadLinkFS interface 2025-02-03 08:38:43 -08:00
doc spec: remove reference to Go 1.17 spec 2025-02-03 15:44:27 -08:00
lib lib/fips140: freeze v1.0.0 FIPS 140 module zip file 2025-01-29 07:10:35 -08:00
misc misc/wasm: move wasm runtime files to lib/wasm 2024-08-30 19:15:21 +00:00
src net: fix ListenMulitcastUDP to work properly when interface has no IPv4 2025-02-06 09:36:55 -08:00
test cmd/compile: prefer an add when shifting left by 1 2025-02-06 09:05:20 -08:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00

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