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d417be6a4b
This avoids a non-obvious data race, where the JSON decoder ends up creating do-nothing writes into global variables. ================== WARNING: DATA RACE Write at 0x0000011e1860 by goroutine 201: tailscale.com/wgengine/packet.(*IP).UnmarshalJSON() /home/crawshaw/repo/corp/oss/wgengine/packet/packet.go:83 +0x2d9 encoding/json.(*decodeState).literalStore() /home/crawshaw/go/go/src/encoding/json/decode.go:877 +0x445e ... encoding/json.Unmarshal() /home/crawshaw/go/go/src/encoding/json/decode.go:107 +0x1de tailscale.com/control/controlclient.(*Direct).decodeMsg() /home/crawshaw/repo/corp/oss/control/controlclient/direct.go:615 +0x1ab tailscale.com/control/controlclient.(*Direct).PollNetMap() /home/crawshaw/repo/corp/oss/control/controlclient/direct.go:525 +0x1053 tailscale.com/control/controlclient.(*Client).mapRoutine() /home/crawshaw/repo/corp/oss/control/controlclient/auto.go:428 +0x3a6 Previous read at 0x0000011e1860 by goroutine 86: tailscale.com/wgengine/filter.matchIPWithoutPorts() /home/crawshaw/repo/corp/oss/wgengine/filter/match.go:108 +0x91 tailscale.com/wgengine/filter.(*Filter).runIn() /home/crawshaw/repo/corp/oss/wgengine/filter/filter.go:147 +0x3c6 tailscale.com/wgengine/filter.(*Filter).RunIn() /home/crawshaw/repo/corp/oss/wgengine/filter/filter.go:127 +0xb0 tailscale.com/wgengine.(*userspaceEngine).SetFilter.func1() /home/crawshaw/repo/corp/oss/wgengine/userspace.go:390 +0xfc github.com/tailscale/wireguard-go/device.(*Device).RoutineDecryption() /home/crawshaw/repo/corp/wireguard-go/device/receive.go:295 +0xa1f For #112 Signed-off-by: David Crawshaw <crawshaw@tailscale.com> |
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| .. | ||
| auto_test.go | ||
| auto.go | ||
| controlclient_test.go | ||
| direct_test.go | ||
| direct.go | ||
| netmap.go | ||
| persist_test.go | ||