panic: PullUp failed goroutine 10551 [running]: panic(0x1173ee0, 0x14d7300) GOROOT/src/runtime/panic.go:1064 +0x545 fp=0xc0013dd1f8 sp=0xc0013dd130 pc=0x437265 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc0013e0100, 0x2, 0xc000a24520, 0x1, 0x1) pkg/tcpip/stack/packet_buffer.go:317 +0x115 fp=0xc0013dd240 sp=0xc0013dd1f8 pc=0x9b5855 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).consume(0xc0013e0100, 0x2, 0x8, 0x82f390, 0x7f5b41c4d000, 0x200000, 0x15a00000) pkg/tcpip/stack/packet_buffer.go:303 +0xf2 fp=0xc0013dd298 sp=0xc0013dd240 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(0xc0013e0100, 0x9b57d1) pkg/tcpip/header/parse/parse.go:180 +0x5d fp=0xc0013dd2e0 sp=0xc0013dd298 pc=0xb655dd gvisor.dev/gvisor/pkg/tcpip/transport/udp.(*protocol).Parse(0xc00030a3c0, 0xc0013e0100, 0x11) pkg/tcpip/transport/udp/protocol.go:128 +0x35 fp=0xc0013dd300 sp=0xc0013dd2e0 pc=0xbb50f5 gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).ParsePacketBufferTransport(0xc000658000, 0x11, 0xc0013e0100, 0x28) pkg/tcpip/stack/stack.go:2200 +0xbd fp=0xc0013dd338 sp=0xc0013dd300 pc=0x9c661d gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc0007a8900, 0xc0013e0100, 0x0, 0x6c, 0x6c, 0x0) pkg/tcpip/network/ipv6/ipv6.go:2500 +0x1fc fp=0xc0013dd3c0 sp=0xc0013dd338 pc=0xbe345c gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc000ce8000, 0xc0013e0100) pkg/tcpip/network/ipv6/ipv6.go:1185 +0xcd fp=0xc0013dd628 sp=0xc0013dd3c0 pc=0xbdcecd gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0001943c0, 0xc00075a4e0, 0x6, 0x0, 0x0, 0x86dd, 0xc0013e0100) pkg/tcpip/stack/nic.go:928 +0x31f fp=0xc0013dd6b8 sp=0xc0013dd628 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(0xc0008c27e8, 0xc00015bf10, 0x6c, 0x6c, 0x20000540, 0x6c, 0x100) pkg/tcpip/link/tun/device.go:275 +0x3bb fp=0xc0013dd7a0 sp=0xc0013dd6b8 pc=0xbf66db gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc0008c2780, 0x1523080, 0xc0012ee000, 0x151d220, 0xc000be2000, 0x0, 0x1, 0x20000540, 0x6c, 0x100, ...) pkg/sentry/devices/tundev/tundev.go:175 +0x1a9 fp=0xc0013dd870 sp=0xc0013dd7a0 pc=0xfa1329 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0008c2780, 0x1523080, 0xc0012ee000, 0x151d220, 0xc000be2000, 0x0, 0x1, 0x20000540, 0x6c, 0x100, ...) pkg/sentry/vfs/file_description.go:744 +0xc3 fp=0xc0013dd908 sp=0xc0013dd870 pc=0x771943 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0012ee000, 0xc0008c2780, 0x151d220, 0xc000be2000, 0x0, 0x1, 0x20000540, 0x6c, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:423 +0xa5 fp=0xc0013dda98 sp=0xc0013dd908 pc=0xed0225 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0012ee000, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:386 +0x21e fp=0xc0013ddb90 sp=0xc0013dda98 pc=0xecfa9e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0012ee000, 0x1, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x136d1e0, ...) pkg/sentry/kernel/task_syscall.go:114 +0x1b9 fp=0xc0013ddc50 sp=0xc0013ddb90 pc=0xa71459 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0012ee000, 0x1, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:289 +0x70 fp=0xc0013ddcd8 sp=0xc0013ddc50 pc=0xa72710 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0012ee000, 0x1, 0xf0, 0x20000540, 0x6c, 0x0, 0x0, 0x0, 0xc00082adc8, 0xc0007975f0) pkg/sentry/kernel/task_syscall.go:236 +0xb4 fp=0xc0013ddd38 sp=0xc0013ddcd8 pc=0xa72214 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0012ee000, 0x2, 0xc0012ee000) pkg/sentry/kernel/task_syscall.go:203 +0x198 fp=0xc0013dde08 sp=0xc0013ddd38 pc=0xa71af8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0012ee000, 0x14efb20, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc0013ddf60 sp=0xc0013dde08 pc=0xa64535 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0012ee000, 0xb2) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc0013ddfd0 sp=0xc0013ddf60 pc=0xa63042 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0013ddfd8 sp=0xc0013ddfd0 pc=0x4709a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:381 +0x116