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The sticky socket code stays in the device package for now,
as it reaches deeply into the peer list.
This is the first step in an effort to split some code out of
the very busy device package.
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
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Update the golang.org/x/sys/unix dependency and use the newly introduced
RTMGRP_* consts instead of using the corresponding RTNLGRP_* const to
create a mask.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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So we take a new granular lock to prevent concurrent writes from
racing.
WARNING: DATA RACE
Write at 0x00c0011f2740 by goroutine 27:
golang.org/x/sys/unix.(*SockaddrInet4).sockaddr()
/go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:384
+0x114
golang.org/x/sys/unix.SendmsgN()
/go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:1304
+0x288
golang.zx2c4.com/wireguard/device.send4()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:485
+0x11f
golang.zx2c4.com/wireguard/device.(*nativeBind).Send()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:268
+0x1d6
golang.zx2c4.com/wireguard/device.(*Peer).SendBuffer()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/peer.go:151
+0x285
golang.zx2c4.com/wireguard/device.(*Peer).SendHandshakeInitiation()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/send.go:163
+0x692
golang.zx2c4.com/wireguard/device.(*Device).RoutineReadFromTUN()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/send.go:318
+0x4b8
Previous write at 0x00c0011f2740 by goroutine 386:
golang.org/x/sys/unix.(*SockaddrInet4).sockaddr()
/go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:384
+0x114
golang.org/x/sys/unix.SendmsgN()
/go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:1304
+0x288
golang.zx2c4.com/wireguard/device.send4()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:485
+0x11f
golang.zx2c4.com/wireguard/device.(*nativeBind).Send()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:268
+0x1d6
golang.zx2c4.com/wireguard/device.(*Peer).SendBuffer()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/peer.go:151
+0x285
golang.zx2c4.com/wireguard/device.(*Peer).SendHandshakeInitiation()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/send.go:163
+0x692
golang.zx2c4.com/wireguard/device.expiredRetransmitHandshake()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/timers.go:110
+0x40c
golang.zx2c4.com/wireguard/device.(*Peer).NewTimer.func1()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/timers.go:42
+0xd8
Goroutine 27 (running) created at:
golang.zx2c4.com/wireguard/device.NewDevice()
/go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/device.go:322
+0x5e8
main.main()
/go/src/x/main.go:102 +0x58e
Goroutine 386 (finished) created at:
time.goFunc()
/usr/local/go/src/time/sleep.go:168 +0x51
Reported-by: Ben Burkert <ben@benburkert.com>
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Signed-off-by: Jonathan Tooker <jonathan.tooker@netprotect.com>
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It turns out Go isn't passing the pointer properly so we wound up with a
zero port every time.
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