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ipn/ipnlocal: remove web client listeners after close

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This prevents a panic in some cases where WebClientShutdown is called
multiple times.

Updates tailscale/corp#14335

Signed-off-by: Will Norris <will@tailscale.com>
This commit is contained in:
Will Norris
2023-11-14 12:07:51 -08:00
committed by Will Norris
parent 7c99a1763b
commit 79719f05a9
1 changed files with 2 additions and 1 deletions
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3
ipn/ipnlocal/web_client.go
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@ -79,8 +79,9 @@ func (b *LocalBackend) WebClientShutdown() {
b.mu.Lock() b.mu.Lock()
server := b.webClient.server server := b.webClient.server
b.webClient.server = nil b.webClient.server = nil
for _, ln := range b.webClientListeners { for ap, ln := range b.webClientListeners {
ln.Close() ln.Close()
delete(b.webClientListeners, ap)
} }
b.mu.Unlock() // release lock before shutdown b.mu.Unlock() // release lock before shutdown
if server != nil { if server != nil {