Tailscale 1.32.1 fails to start with SIGSEGV #6065
Description
What is the issue?
Report from a user.
From the Go version:
logtail started
Program starting: v1.33.0-dev-t, Go 1.19.2: []string{"tailscaled"}
LogID: REDACTED
logpolicy: using system state directory "/Library/Tailscale"
flushing log.
logger closing down
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x1353997]
goroutine 37 [running]:
tailscale.com/net/interfaces.isDefaultGateway(0x6?)
/Users/REDACTED/go/pkg/mod/tailscale.com@v1.1.1-0.20221025201637-d60f7fe33f54/net/interfaces/interfaces_bsd.go:131 +0x77
tailscale.com/net/interfaces.DefaultRouteInterfaceIndex()
/Users/REDACTED/go/pkg/mod/tailscale.com@v1.1.1-0.20221025201637-d60f7fe33f54/net/interfaces/interfaces_bsd.go:68 +0x14a
tailscale.com/net/netns.controlLogf(0x18bc9c8, {0xc000312060, 0x4}, {0xc000352078, 0x11}, {0x19a9300?, 0xc000344030})
/Users/REDACTED/go/pkg/mod/tailscale.com@v1.1.1-0.20221025201637-d60f7fe33f54/net/netns/netns_darwin_tailscaled.go:35 +0xbe
tailscale.com/net/netns.control.func1({0xc000312060?, 0x1867259?}, {0xc000352078?, 0x199b844?}, {0x19a9300?, 0xc000344030?})
/Users/REDACTED/go/pkg/mod/tailscale.com@v1.1.1-0.20221025201637-d60f7fe33f54/net/netns/netns_darwin_tailscaled.go:22 +0x46
net.(*netFD).dial(0xc000314280, {0x19a9ff8, 0xc000310180}, {0x19abc90, 0x0}, {0x19abc90?, 0xc00033e390}, 0xc00030c0d0)
/usr/local/Cellar/go/1.19.2/libexec/src/net/sock_posix.go:128 +0x25f
net.socket({0x19a9ff8, 0xc000310180}, {0x1867259, 0x3}, 0x2, 0x1, 0x0?, 0x0?, {0x19abc90, 0x0}, ...)
/usr/local/Cellar/go/1.19.2/libexec/src/net/sock_posix.go:70 +0x2b2
net.internetSocket({0x19a9ff8, 0xc000310180}, {0x1867259, 0x3}, {0x19abc90, 0x0}, {0x19abc90, 0xc00033e390}, 0x28?, 0x0, ...)
/usr/local/Cellar/go/1.19.2/libexec/src/net/ipsock_posix.go:142 +0xf8
net.(*sysDialer).doDialTCP(0xc000340240, {0x19a9ff8, 0xc000310180}, 0x0, 0x1769260?)
/usr/local/Cellar/go/1.19.2/libexec/src/net/tcpsock_posix.go:68 +0xa5
net.(*sysDialer).dialTCP(0x1e46303?, {0x19a9ff8?, 0xc000310180?}, 0xc000060570?, 0x106c416?)
/usr/local/Cellar/go/1.19.2/libexec/src/net/tcpsock_posix.go:64 +0x69
net.(*sysDialer).dialSingle(0xc000340240, {0x19a9ff8, 0xc000310180}, {0x19a7170?, 0xc00033e390})
/usr/local/Cellar/go/1.19.2/libexec/src/net/dial.go:582 +0x214
net.(*sysDialer).dialSerial(0xc000340240, {0x19a9ff8, 0xc000310180}, {0xc00030c150?, 0x1, 0x11c2845?})
/usr/local/Cellar/go/1.19.2/libexec/src/net/dial.go:550 +0x312
net.(*sysDialer).dialParallel.func1({0x19a9ff8?, 0xc000310180?}, 0x1)
/usr/local/Cellar/go/1.19.2/libexec/src/net/dial.go:470 +0x92
created by net.(*sysDialer).dialParallel
/usr/local/Cellar/go/1.19.2/libexec/src/net/dial.go:485 +0x30a
From the non-App Store GUI version:
default 15:52:05.321124-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: ***
default 15:52:05.321150-0700 io.tailscale.ipn.macsys.network-extension goSetupLogs: success (started with NaNM); version 1.32.1-t3444ebbd5-g7977e0008, go1.19.2-ts3fd24dee31
default 15:52:05.321171-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: *** Lines prefixed with RAW-STDERR below bypassed logtail and probably come from a previous run of the program
default 15:52:05.321466-0700 io.tailscale.ipn.macsys.network-extension ^NaNM up=1666738325+0 Sys=14.2M HeapAlloc=0.6M HeapSys=3.6M HeapIdle=1.9M HeapInuse=1.7M HeapReleased=1.8M StackInuse=0.4M StackSys=0.4M MSpanInuse=0.0M MSpanSys=0.0M BuckHashSys=1.4M GCSys=7.8M OtherSys=0.9M NumGC=0 cpuU=25861000 cpuS=18798000 goroutines=4
default 15:52:05.321465-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: ***
default 15:52:05.321713-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR:
default 15:52:05.321835-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: panic: runtime error: invalid memory address or nil pointer dereference
default 15:52:05.321966-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: [signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x10c78cbd7]
default 15:52:05.322124-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR:
default 15:52:05.322340-0700 io.tailscale.ipn.macsys.network-extension initSameUserProofToken: done=true
default 15:52:05.322314-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: goroutine 17 [running, locked to thread]:
default 15:52:05.322582-0700 io.tailscale.ipn.macsys.network-extension setupLogs: logging configured: loaded
default 15:52:05.322587-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/net/interfaces.isDefaultGateway(0x6?)
default 15:52:05.322945-0700 io.tailscale.ipn.macsys.network-extension cannot obtain app group ID from bundle
default 15:52:05.322761-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/net/interfaces/interfaces_bsd.go:131 +0x77
default 15:52:05.323169-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/net/interfaces.DefaultRouteInterfaceIndex()
default 15:52:05.323301-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/net/interfaces/interfaces_bsd.go:68 +0x14a
default 15:52:05.323415-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/net/interfaces.defaultRoute()
default 15:52:05.323522-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/net/interfaces/interfaces_bsd.go:27 +0x2f
default 15:52:05.323625-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/net/interfaces.DefaultRoute(...)
default 15:52:05.323724-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/net/interfaces/interfaces.go:724
default 15:52:05.323971-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/net/interfaces.GetState()
default 15:52:05.324074-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/net/interfaces/interfaces.go:523 +0xb9
default 15:52:05.324908-0700 io.tailscale.ipn.macsys.network-extension startTunnel: interface name utun0
default 15:52:05.324475-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/wgengine/monitor.(*Mon).interfaceStateUncached(...)
default 15:52:05.325221-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/wgengine/monitor/monitor.go:122
default 15:52:05.325339-0700 io.tailscale.ipn.macsys.network-extension runBackend called, tunFD=9, PreallocatedBuffersPerPool=0
default 15:52:05.325364-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/wgengine/monitor.New(0x10ce99658)
default 15:52:05.325665-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/wgengine/monitor/monitor.go:94 +0x18b
default 15:52:05.325784-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com/wgengine.NewUserspaceEngine(0x10ce99658, {{0x10ceab7d8, 0xc0001e8580}, 0x0, {0x10cea7600, 0xc000118690}, {0x10cea89b8, 0xc000118690}, 0x0, 0xc0001e6dd0, ...})
default 15:52:05.325916-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.com@v1.32.1/wgengine/userspace.go:320 +0x4da
default 15:52:05.326035-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: main.RunBackend(0x10c38c6e0, 0x9)
default 15:52:05.326220-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.io/xcode/ipn-go-bridge/ipn.go:462 +0x51f
default 15:52:05.326344-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: main.goRunBackend(0x10c3a2df8?, 0x3a060?, {0x60000172a810?, 0xe?})
default 15:52:05.326517-0700 io.tailscale.ipn.macsys.network-extension RAW-STDERR: tailscale.io/xcode/ipn-go-bridge/export_cgo.go:48 +0x105
I believe this is caused by #5940 (cc @knyar)
Steps to reproduce
No response
Are there any recent changes that introduced the issue?
No response
OS
macOS
OS version
No response
Tailscale version
1.32.1
Bug report
No response