SIGSEGV: segmentation violation
PC=0x42d901 m=0 sigcode=1 addr=0x4

goroutine 0 gp=0x382cee0 m=0 mp=0x382f200 [idle]:

goroutine 1 gp=0xc000002380 m=nil [runnable]:
runtime.lock2(0x384fa58?)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/go/src/runtime/lock_spinbit.go:155 +0x414 fp=0xc0005e4510 sp=0xc0005e4508 pc=0x454534
runtime.lockWithRank(...)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/go/src/runtime/lockrank_off.go:24
runtime.lock(...)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/go/src/runtime/lock_spinbit.go:152
runtime.getitab(0x24396e0, 0x25b4980, 0x1)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/go/src/runtime/iface.go:70 +0x77 fp=0xc0005e4558 sp=0xc0005e4510 pc=0x4b9837
runtime.typeAssert(0x37ff250, 0x25b4980)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/go/src/runtime/iface.go:474 +0x3f fp=0xc0005e4598 sp=0xc0005e4558 pc=0x45321f
gvisor.dev/gvisor/pkg/tcpip/stack.newTransportDemuxer(...)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/tcpip/stack/transport_demuxer.go:304
gvisor.dev/gvisor/pkg/tcpip/stack.New({{0xc00035a318, 0x3, 0x3}, {0xc000043980, 0x4, 0x4}, {0x28f8f00, 0xc0002c0bd0}, {0xc0000144d8, {0x0, ...}, ...}, ...})
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/tcpip/stack/stack.go:447 +0x1efa fp=0xc0005e5890 sp=0xc0005e4598 pc=0x129d5fa
gvisor.dev/gvisor/runsc/boot.newEmptySandboxNetworkStack({0x28f8f00, 0xc0002c0bd0}, 0x0)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/boot/loader.go:1634 +0x38a fp=0xc0005e6678 sp=0xc0005e5890 pc=0x20a26aa
gvisor.dev/gvisor/runsc/boot.newRootNetworkNamespace(0xc000051888, {0x28f8f00, 0xc0002c0bd0}, 0xc0005f8008)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/boot/loader.go:1608 +0x1e9 fp=0xc0005e6750 sp=0xc0005e6678 pc=0x20a1889
gvisor.dev/gvisor/runsc/boot.New({{0x7ffe2a586f74, 0x25}, 0xc000357170, 0xc000051888, 0x8, 0xc0005ff178, {0xc0001b59a8, 0x1, 0x1}, 0xffffffffffffffff, ...})
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/boot/loader.go:595 +0x3436 fp=0xc0005e7170 sp=0xc0005e6750 pc=0x208e2d6
gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc00028bc20, {0xc0001c4118?, 0x12?}, 0xc0002c0850, {0xc0001aca00, 0x2, 0x0?})
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/cmd/boot.go:556 +0x39ff fp=0xc0005e7bf0 sp=0xc0005e7170 pc=0x2245abf
github.com/google/subcommands.(*Commander).Execute(0xc0001a4080, {0x28fb378, 0x384f3c0}, {0xc0001aca00, 0x2, 0x2})
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/.gocache/github.com/google/subcommands@v1.0.2-0.20190508160503-636abe8753b8/subcommands.go:200 +0x71b fp=0xc0005e7ce8 sp=0xc0005e7bf0 pc=0x690f5b
github.com/google/subcommands.Execute(...)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/.gocache/github.com/google/subcommands@v1.0.2-0.20190508160503-636abe8753b8/subcommands.go:481
gvisor.dev/gvisor/runsc/cli.Run(0x26b3440)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/cli/cli.go:215 +0x279e fp=0xc0005e7f30 sp=0xc0005e7ce8 pc=0xb4c8de
gvisor.dev/gvisor/runsc/cli/maincli.Main(...)
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/cli/maincli/maincli.go:28
main.main()
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/main.go:31 +0xc5 fp=0xc0005e7f50 sp=0xc0005e7f30 pc=0x22d1ae5
runtime.main()
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/go/src/runtime/proc.go:285 +0x29d fp=0xc0005e7fe0 sp=0xc0005e7f50 pc=0x4840bd
runtime.goexit({})
	/syzkaller/.cache/bazel/_bazel_root/a13edd57d9dad04937e1fb5843ea1532/sandbox/linux-sandbox/4/execroot/_main/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0005e7fe8 sp=0xc0005e7fe0 pc=0x4c5b61