Closed
Description
Hello, I see sporadically this error on a GKE cluster:
(coder 0.11.0, GKE 1.24.6)
2022-10-31 07:34:58.861 [INFO] (coderd.tailnet) <./tailnet/conn.go:200> NewConn.func3 wireguard status {"status": "\u0026{AsOf:2022-10-31 07:34:58.861635364 +0000 UTC m=+1406.588420654 Peers:[{TxBytes:802036 RxBytes:5117168 LastHandshake:2022-10-31 07:33:55.787139294 +0000 UTC NodeKey:nodekey:cd32e74502524f98a828bf4adb7d4d23b0dd8ad0f0ce25006bf49c01f3e89123}] LocalAddrs:[{Addr:xxx.xxx.xxx.xxx:58148 Type:stun} {Addr:10.108.2.51:58148 Type:local}] DERPs:1}", "err": null}
2022-10-31 07:34:58.861 [INFO] (coderd.tailnet) <./tailnet/conn.go:456> (*Conn).sendNode.func1 sending node {"node": {"id": 5166511059428960592, "as_of": "2022-10-31T07:34:58.861635364Z", "key": "nodekey:33a3060e0d5648c2e31468634fc7811d4abb089049905814aac0eabd4f6d0c40", "disco": "discokey:282dfd24191766d8cc5d93b40231dced685b3227020aed41b18f57cc2eeaaf0e", "preferred_derp": 999, "derp_latency": {"999-v4": 0.008294595}, "addresses": ["fd7a:115c:a1e0:4970:805a:f00a:6f25:63b/128"], "allowed_ips": ["fd7a:115c:a1e0:4970:805a:f00a:6f25:63b/128"], "endpoints": ["xxx.xxx.xxx.xxx:58148", "xxx.xxx.xxx.xxx:58148"]}}
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x683178]
goroutine 107607 [running]:
bufio.(*Writer).Flush(0x800?)
/opt/hostedtoolcache/go/1.19.2/x64/src/bufio/bufio.go:623 +0x18
net/http.(*chunkWriter).flush(0xc0150dc840?)
/opt/hostedtoolcache/go/1.19.2/x64/src/net/http/server.go:402 +0x3f
net/http.(*response).Flush(0xc01bbaa000)
/opt/hostedtoolcache/go/1.19.2/x64/src/net/http/server.go:1707 +0x48
github.com/coder/coder/coderd/tracing.(*StatusWriter).Flush(0x7f1929df9e78?)
/home/runner/work/coder/coder/coderd/tracing/status_writer.go:81 +0x35
github.com/coder/coder/coderd/httpapi.ServerSentEventSender.func1()
/home/runner/work/coder/coder/coderd/httpapi/httpapi.go:206 +0x202
created by github.com/coder/coder/coderd/httpapi.ServerSentEventSender
/home/runner/work/coder/coder/coderd/httpapi/httpapi.go:191 +0x37d