SIGSEGV: segmentation violation
PC=0x42d901 m=3 sigcode=1 addr=0x4

goroutine 0 gp=0xc000003180 m=3 mp=0xc000151008 [idle]:

goroutine 1 gp=0xc000002380 m=nil [runnable]:
runtime.gcTrigger.test({0x0?, 0x0?, 0x0?})
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/runtime/mgc.go:616 +0xdc fp=0xc0002da498 sp=0xc0002da490 pc=0x45f9dc
runtime.mallocgcSmallScanNoHeader(0x30, 0x258ab40)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/runtime/malloc.go:1436 +0x2cf fp=0xc0002da4f8 sp=0xc0002da498 pc=0x45608f
runtime.mallocgc(0x30, 0x258ab40, 0x1)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/runtime/malloc.go:1066 +0xa5 fp=0xc0002da548 sp=0xc0002da4f8 pc=0x4b9f25
runtime.newobject(0x480b64c?)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/runtime/malloc.go:1747 +0x25 fp=0xc0002da570 sp=0xc0002da548 pc=0x456a05
internal/runtime/maps.NewEmptyMap(...)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/internal/runtime/maps/map.go:328
runtime.makemap_small()
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/runtime/map_swiss.go:48 +0x1a fp=0xc0002da598 sp=0xc0002da570 pc=0x4ba23a
gvisor.dev/gvisor/pkg/tcpip/stack.newTransportDemuxer(...)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/tcpip/stack/transport_demuxer.go:293
gvisor.dev/gvisor/pkg/tcpip/stack.New({{0xc0003363a8, 0x3, 0x3}, {0xc00032e060, 0x4, 0x4}, {0x28f8de0, 0xc000340000}, {0xc0003c61e8, {0x0, ...}, ...}, ...})
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/tcpip/stack/stack.go:447 +0x18ee fp=0xc0002db890 sp=0xc0002da598 pc=0x129cfee
gvisor.dev/gvisor/runsc/boot.newEmptySandboxNetworkStack({0x28f8de0, 0xc000340000}, 0x0)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/boot/loader.go:1634 +0x38a fp=0xc0002dc678 sp=0xc0002db890 pc=0x20a1fca
gvisor.dev/gvisor/runsc/boot.newRootNetworkNamespace(0xc0001dfc08, {0x28f8de0, 0xc000340000}, 0xc000312008)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/boot/loader.go:1608 +0x1e9 fp=0xc0002dc750 sp=0xc0002dc678 pc=0x20a11a9
gvisor.dev/gvisor/runsc/boot.New({{0x7ffdd4d30fa0, 0x24}, 0xc0001aa3f0, 0xc0001dfc08, 0x8, 0xc00027e018, {0xc0001efe88, 0x1, 0x1}, 0xffffffffffffffff, ...})
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/boot/loader.go:595 +0x3436 fp=0xc0002dd170 sp=0xc0002dc750 pc=0x208dbf6
gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc0001fdc20, {0xc0001be128?, 0x13?}, 0xc00023d960, {0xc0001a8b40, 0x2, 0x0?})
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/cmd/boot.go:556 +0x39ff fp=0xc0002ddbf0 sp=0xc0002dd170 pc=0x224545f
github.com/google/subcommands.(*Commander).Execute(0xc0001a0080, {0x28fb258, 0x38503c0}, {0xc0001a8b40, 0x2, 0x2})
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/.gocache/github.com/google/subcommands@v1.0.2-0.20190508160503-636abe8753b8/subcommands.go:200 +0x71b fp=0xc0002ddce8 sp=0xc0002ddbf0 pc=0x690f5b
github.com/google/subcommands.Execute(...)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/.gocache/github.com/google/subcommands@v1.0.2-0.20190508160503-636abe8753b8/subcommands.go:481
gvisor.dev/gvisor/runsc/cli.Run(0x26b3420)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/cli/cli.go:215 +0x279e fp=0xc0002ddf30 sp=0xc0002ddce8 pc=0xb4c8de
gvisor.dev/gvisor/runsc/cli/maincli.Main(...)
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/cli/maincli/maincli.go:28
main.main()
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/gopath/src/gvisor.dev/gvisor/runsc/main.go:31 +0xc5 fp=0xc0002ddf50 sp=0xc0002ddf30 pc=0x22d1485
runtime.main()
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/runtime/proc.go:285 +0x29d fp=0xc0002ddfe0 sp=0xc0002ddf50 pc=0x4840bd
runtime.goexit({})
	/syzkaller/.cache/bazel/_bazel_root/3cda29e0ad466371615d977190968f26/sandbox/linux-sandbox/1959/execroot/_main/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0002ddfe8 sp=0xc0002ddfe0 pc=0x4c5b61