panic: PullUp failed goroutine 278217 [running]: panic(0x1173ee0, 0x14d7300) GOROOT/src/runtime/panic.go:1064 +0x545 fp=0xc00c1f11f8 sp=0xc00c1f1130 pc=0x437265 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc010f45e00, 0x2, 0xc005d58c20, 0x1, 0x1) pkg/tcpip/stack/packet_buffer.go:317 +0x115 fp=0xc00c1f1240 sp=0xc00c1f11f8 pc=0x9b5855 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).consume(0xc010f45e00, 0x2, 0x8, 0x82f390, 0x7fa989ba5000, 0x200000, 0x25000000) pkg/tcpip/stack/packet_buffer.go:303 +0xf2 fp=0xc00c1f1298 sp=0xc00c1f1240 pc=0x9b5652 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Consume(...) pkg/tcpip/stack/packet_buffer.go:429 gvisor.dev/gvisor/pkg/tcpip/header/parse.UDP(0xc010f45e00, 0x9b57d1) pkg/tcpip/header/parse/parse.go:180 +0x5d fp=0xc00c1f12e0 sp=0xc00c1f1298 pc=0xb655dd gvisor.dev/gvisor/pkg/tcpip/transport/udp.(*protocol).Parse(0xc004504440, 0xc010f45e00, 0x11) pkg/tcpip/transport/udp/protocol.go:128 +0x35 fp=0xc00c1f1300 sp=0xc00c1f12e0 pc=0xbb50f5 gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).ParsePacketBufferTransport(0xc0049be000, 0x11, 0xc010f45e00, 0x28) pkg/tcpip/stack/stack.go:2200 +0xbd fp=0xc00c1f1338 sp=0xc00c1f1300 pc=0x9c661d gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc00047d7a0, 0xc010f45e00, 0x0, 0x6c, 0x6c, 0x0) pkg/tcpip/network/ipv6/ipv6.go:2500 +0x1fc fp=0xc00c1f13c0 sp=0xc00c1f1338 pc=0xbe345c gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0049fe800, 0xc010f45e00) pkg/tcpip/network/ipv6/ipv6.go:1185 +0xcd fp=0xc00c1f1628 sp=0xc00c1f13c0 pc=0xbdcecd gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0018d65a0, 0xc013b5a240, 0x6, 0x0, 0x0, 0x86dd, 0xc010f45e00) pkg/tcpip/stack/nic.go:928 +0x31f fp=0xc00c1f16b8 sp=0xc00c1f1628 pc=0x9b2c3f gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectLinkAddr(...) pkg/tcpip/link/channel/channel.go:225 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc00065f9e8, 0xc013b5e000, 0x6c, 0x6c, 0x20000540, 0x6c, 0x100) pkg/tcpip/link/tun/device.go:275 +0x3bb fp=0xc00c1f17a0 sp=0xc00c1f16b8 pc=0xbf66db gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc00065f980, 0x1523080, 0xc012a8ca80, 0x151d220, 0xc0136e0000, 0x0, 0x1, 0x20000540, 0x6c, 0x100, ...) pkg/sentry/devices/tundev/tundev.go:175 +0x1a9 fp=0xc00c1f1870 sp=0xc00c1f17a0 pc=0xfa1329 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00065f980, 0x1523080, 0xc012a8ca80, 0x151d220, 0xc0136e0000, 0x0, 0x1, 0x20000540, 0x6c, 0x100, ...) pkg/sentry/vfs/file_description.go:744 +0xc3 fp=0xc00c1f1908 sp=0xc00c1f1870 pc=0x771943 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc012a8ca80, 0xc00065f980, 0x151d220, 0xc0136e0000, 0x0, 0x1, 0x20000540, 0x6c, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:423 +0xa5 fp=0xc00c1f1a98 sp=0xc00c1f1908 pc=0xed0225 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc012a8ca80, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:386 +0x21e fp=0xc00c1f1b90 sp=0xc00c1f1a98 pc=0xecfa9e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc012a8ca80, 0x1, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x136d1e0, ...) pkg/sentry/kernel/task_syscall.go:114 +0x1b9 fp=0xc00c1f1c50 sp=0xc00c1f1b90 pc=0xa71459 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc012a8ca80, 0x1, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:289 +0x70 fp=0xc00c1f1cd8 sp=0xc00c1f1c50 pc=0xa72710 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc012a8ca80, 0x1, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0xc0060d2b28, 0xc008fe4300) pkg/sentry/kernel/task_syscall.go:236 +0xb4 fp=0xc00c1f1d38 sp=0xc00c1f1cd8 pc=0xa72214 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc012a8ca80, 0x2, 0xc012a8ca80) pkg/sentry/kernel/task_syscall.go:203 +0x198 fp=0xc00c1f1e08 sp=0xc00c1f1d38 pc=0xa71af8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc012a8ca80, 0x14efb20, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc00c1f1f60 sp=0xc00c1f1e08 pc=0xa64535 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc012a8ca80, 0x2a1f) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc00c1f1fd0 sp=0xc00c1f1f60 pc=0xa63042 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00c1f1fd8 sp=0xc00c1f1fd0 pc=0x4709a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:381 +0x116