panic: PullUp failed goroutine 15795 [running]: panic(0x1082de0, 0x13c6020) GOROOT/src/runtime/panic.go:1064 +0x545 fp=0xc000961130 sp=0xc000961068 pc=0x437265 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc001036400, 0x2, 0xc00012f760, 0xc000212d98, 0xc00012f768) pkg/tcpip/stack/packet_buffer.go:280 +0xcb fp=0xc000961178 sp=0xc000961130 pc=0x947eab gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).consume(0xc001036400, 0x2, 0x8, 0xc00012f790, 0xc000212dc8, 0xc00012f798, 0xc000212dd0) pkg/tcpip/stack/packet_buffer.go:270 +0xac fp=0xc0009611d0 sp=0xc000961178 pc=0x947cec gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Consume(...) pkg/tcpip/stack/packet_buffer.go:380 gvisor.dev/gvisor/pkg/tcpip/header/parse.UDP(0xc001036400, 0x947e45) pkg/tcpip/header/parse/parse.go:150 +0x3d fp=0xc000961218 sp=0xc0009611d0 pc=0xacc77d gvisor.dev/gvisor/pkg/tcpip/transport/udp.(*protocol).Parse(0xc000242150, 0xc001036400, 0x11) pkg/tcpip/transport/udp/protocol.go:114 +0x2b fp=0xc000961238 sp=0xc000961218 pc=0xb0e9ab gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).ParsePacketBufferTransport(0xc0001b1500, 0x11, 0xc001036400, 0xe) pkg/tcpip/stack/stack.go:1838 +0x98 fp=0xc000961270 sp=0xc000961238 pc=0x9567f8 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc000b1c000, 0xc001036400, 0x7f059c8b4240, 0xffffffffffffffff, 0x0, 0x5a) pkg/tcpip/network/ipv6/ipv6.go:2097 +0x1a7 fp=0xc0009612f8 sp=0xc000961270 pc=0xb36e07 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc00029b000, 0xc001036400) pkg/tcpip/network/ipv6/ipv6.go:1010 +0xae fp=0xc000961560 sp=0xc0009612f8 pc=0xb30cae gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00041e3c0, 0xc000a90528, 0x6, 0x0, 0x0, 0x86dd, 0xc001036400) pkg/tcpip/stack/nic.go:762 +0x24f fp=0xc0009615f0 sp=0xc000961560 pc=0x945bcf gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectLinkAddr(...) pkg/tcpip/link/channel/channel.go:193 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc00031e968, 0xc000fa44e0, 0x5a, 0x5a, 0x0, 0x1, 0x20000240) pkg/tcpip/link/tun/device.go:226 +0x2d6 fp=0xc0009616d0 sp=0xc0009615f0 pc=0xb47bf6 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc00031e900, 0x14123e0, 0xc0017b5500, 0x140c480, 0xc001672000, 0x0, 0x1, 0x20000240, 0x5a, 0x100, ...) pkg/sentry/devices/tundev/tundev.go:146 +0x1de fp=0xc0009617d8 sp=0xc0009616d0 pc=0xeba15e gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00031e900, 0x14123e0, 0xc0017b5500, 0x140c480, 0xc001672000, 0x0, 0x1, 0x20000240, 0x5a, 0x100, ...) pkg/sentry/vfs/file_description.go:654 +0xb4 fp=0xc000961870 sp=0xc0009617d8 pc=0x746814 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0017b5500, 0xc00031e900, 0x140c480, 0xc001672000, 0x0, 0x1, 0x20000240, 0x5a, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:345 +0x9b fp=0xc000961a00 sp=0xc000961870 pc=0xdf423b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0017b5500, 0xf0, 0x20000240, 0x5a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:314 +0x1d4 fp=0xc000961af8 sp=0xc000961a00 pc=0xdf3b74 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0017b5500, 0x1, 0xf0, 0x20000240, 0x5a, 0x0, 0x0, 0x0, 0x1, 0x127bd40, ...) pkg/sentry/kernel/task_syscall.go:102 +0x13c fp=0xc000961c58 sp=0xc000961af8 pc=0x9f107c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0017b5500, 0x1, 0xf0, 0x20000240, 0x5a, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0x66 fp=0xc000961ce0 sp=0xc000961c58 pc=0x9f2246 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0017b5500, 0x1, 0xf0, 0x20000240, 0x5a, 0x0, 0x0, 0x0, 0xe474ee, 0xc0006d2ca0) pkg/sentry/kernel/task_syscall.go:197 +0x98 fp=0xc000961d40 sp=0xc000961ce0 pc=0x9f1df8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0017b5500, 0x2, 0xc0017b5500) pkg/sentry/kernel/task_syscall.go:172 +0x15c fp=0xc000961e10 sp=0xc000961d40 pc=0x9f179c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0017b5500, 0x13deac0, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc000961f60 sp=0xc000961e10 pc=0x9e5b45 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0017b5500, 0xc4) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc000961fd0 sp=0xc000961f60 pc=0x9e480f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000961fd8 sp=0xc000961fd0 pc=0x4709a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:328 +0xfe