panic: addresses 224.0.0.2 and fe80::aa do not have the same length goroutine 553304 [running]: panic({0xfe3400, 0xc002884810}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0011dcc90 sp=0xc0011dcbd0 pc=0x435837 gvisor.dev/gvisor/pkg/tcpip.Address.MatchingPrefix({0xc00939f704?, 0x30?}, {0xc0008ef5d0, 0x10}) pkg/tcpip/tcpip.go:176 +0x1c8 fp=0xc0011dccf8 sp=0xc0011dcc90 pc=0x6b3bc8 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked.func1({0x140fe50, 0xc000142f00}) pkg/tcpip/network/ipv6/ipv6.go:2034 +0x109 fp=0xc0011dcde0 sp=0xc0011dccf8 pc=0xb90ca9 gvisor.dev/gvisor/pkg/tcpip/stack.(*AddressableEndpointState).ForEachPrimaryEndpoint(0xc000a0ca40, 0xc0011dced0) pkg/tcpip/stack/addressable_endpoint_state.go:123 +0xec fp=0xc0011dce38 sp=0xc0011dcde0 pc=0x96ca2c gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0x0?, {0xc00939f704, 0x4}, 0x7d?) pkg/tcpip/network/ipv6/ipv6.go:2014 +0xf9 fp=0xc0011dcf68 sp=0xc0011dce38 pc=0xb90479 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc000a0c400, {0xc00939f704, 0x4}, 0xf8?) pkg/tcpip/network/ipv6/ipv6.go:1968 +0xb9 fp=0xc0011dcfc8 sp=0xc0011dcf68 pc=0xb900d9 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).primaryEndpoint(0xc000504400, 0x1?, {0xc00939f704, 0x4}) pkg/tcpip/stack/nic.go:440 +0x112 fp=0xc0011dd028 sp=0xc0011dcfc8 pc=0x987a12 gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc000b43230?, 0xc000b43230?, {0x0?, 0xc000b43350?}, {0xc00939f704?, 0xc0058bd900?}, 0xe1a028?) pkg/tcpip/stack/stack.go:1143 +0x48 fp=0xc0011dd068 sp=0xc0011dd028 pc=0x99ad08 gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute.func1(0xc000359c00, {0xc00939f704, 0x4}, 0x0, {0x0, 0x0}, 0x8?, 0x0, 0x1?, 0x1, ...) pkg/tcpip/stack/stack.go:1333 +0x309 fp=0xc0011dd208 sp=0xc0011dd068 pc=0x99c949 gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc000359c00, 0x0, {0x0, 0x0}, {0xc00939f704, 0x4}, 0x10?, 0x0?) pkg/tcpip/stack/stack.go:1359 +0x6db fp=0xc0011dd400 sp=0xc0011dd208 pc=0x99bdfb gvisor.dev/gvisor/pkg/tcpip/transport/internal/network.(*Endpoint).SetSockOpt(0xc000cefb20, {0x13f8400?, 0xc000b43530}) pkg/tcpip/transport/internal/network/endpoint.go:926 +0x7e5 fp=0xc0011dd658 sp=0xc0011dd400 pc=0xb1a545 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).SetSockOpt(0x20000e0?, {0x13f8400?, 0xc000b43530?}) pkg/tcpip/transport/raw/endpoint.go:498 +0x1f8 fp=0xc0011dd6b0 sp=0xc0011dd658 pc=0xb244d8 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptIP(0xc009545500, {0x14110f8, 0xc000364e00}, {0x3f50f8d8f4f0, 0xc000cefb00}, 0x23, {0xc009545e44, 0xc, 0x90}) pkg/sentry/socket/netstack/netstack.go:2464 +0xe82 fp=0xc0011dd768 sp=0xc0011dd6b0 pc=0xbbf3e2 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x0?, {0x14110f8?, 0xc000364e00?}, {0x3f50f8d8f4f0?, 0xc000cefb00?}, 0x90?, 0x140fa10?, {0xc009545e44, 0xc, 0x90}) pkg/sentry/socket/netstack/netstack.go:1804 +0xb0 fp=0xc0011dd7c0 sp=0xc0011dd768 pc=0xbbb3b0 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SetSockOpt(0xc000364e00, 0x14196f8?, 0x0, 0x23, {0xc009545e44, 0xc, 0x90}) pkg/sentry/socket/netstack/netstack_vfs2.go:268 +0x2e7 fp=0xc0011dd878 sp=0xc0011dd7c0 pc=0xbc7587 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SetSockOpt(0xc009545500, {{0x4}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/socket.go:552 +0x2bb fp=0xc0011dd958 sp=0xc0011dd878 pc=0xd0615b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009545500, 0x36, {{0x4}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x7d0 fp=0xc0011ddc98 sp=0xc0011dd958 pc=0xa28870 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009545500, 0x0?, {{0x4}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0011ddcf8 sp=0xc0011ddc98 pc=0xa29e34 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00038c400?, 0xc0011dde40?, {{0x4}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0011ddd58 sp=0xc0011ddcf8 pc=0xa29a25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009545500) pkg/sentry/kernel/task_syscall.go:257 +0x3b5 fp=0xc0011dde50 sp=0xc0011ddd58 pc=0xa296f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002993180?, 0xc009545500) pkg/sentry/kernel/task_run.go:253 +0x1145 fp=0xc0011ddf60 sp=0xc0011dde50 pc=0xa1b505 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009545500, 0x3a58) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc0011ddfc0 sp=0xc0011ddf60 pc=0xa19d2c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc0011ddfe0 sp=0xc0011ddfc0 pc=0xa26d4a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0011ddfe8 sp=0xc0011ddfe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105