panic: PullUp failed goroutine 321382 [running]: panic(0x1082de0, 0x13c6020) GOROOT/src/runtime/panic.go:1064 +0x545 fp=0xc00e9d1130 sp=0xc00e9d1068 pc=0x437265 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc007614000, 0x2, 0x970000, 0x90000, 0x1063500) pkg/tcpip/stack/packet_buffer.go:280 +0xcb fp=0xc00e9d1178 sp=0xc00e9d1130 pc=0x947eab gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).consume(0xc007614000, 0x2, 0x8, 0x11dcac0, 0x20001000, 0xc012d7cae8, 0xc012d7cac8) pkg/tcpip/stack/packet_buffer.go:270 +0xac fp=0xc00e9d11d0 sp=0xc00e9d1178 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(0xc007614000, 0x947e45) pkg/tcpip/header/parse/parse.go:150 +0x3d fp=0xc00e9d1218 sp=0xc00e9d11d0 pc=0xacc77d gvisor.dev/gvisor/pkg/tcpip/transport/udp.(*protocol).Parse(0xc00050a0f0, 0xc007614000, 0x11) pkg/tcpip/transport/udp/protocol.go:114 +0x2b fp=0xc00e9d1238 sp=0xc00e9d1218 pc=0xb0e9ab gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).ParsePacketBufferTransport(0xc0002c9800, 0x11, 0xc007614000, 0xe) pkg/tcpip/stack/stack.go:1838 +0x98 fp=0xc00e9d1270 sp=0xc00e9d1238 pc=0x9567f8 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc0000e9320, 0xc007614000, 0x400, 0x3fbfbf4dcc00, 0x20300100000000, 0x3fbfbf52bfff) pkg/tcpip/network/ipv6/ipv6.go:2097 +0x1a7 fp=0xc00e9d12f8 sp=0xc00e9d1270 pc=0xb36e07 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc000992800, 0xc007614000) pkg/tcpip/network/ipv6/ipv6.go:1010 +0xae fp=0xc00e9d1560 sp=0xc00e9d12f8 pc=0xb30cae gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0009761e0, 0xc013a720b0, 0x6, 0x0, 0x0, 0x86dd, 0xc007614000) pkg/tcpip/stack/nic.go:762 +0x24f fp=0xc00e9d15f0 sp=0xc00e9d1560 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(0xc000178c68, 0xc00021c120, 0x11a, 0x11a, 0x0, 0x1, 0x20000240) pkg/tcpip/link/tun/device.go:226 +0x2d6 fp=0xc00e9d16d0 sp=0xc00e9d15f0 pc=0xb47bf6 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc000178c00, 0x14123e0, 0xc016618000, 0x140c480, 0xc0061fa000, 0x0, 0x1, 0x20000240, 0x11a, 0x100, ...) pkg/sentry/devices/tundev/tundev.go:146 +0x1de fp=0xc00e9d17d8 sp=0xc00e9d16d0 pc=0xeba15e gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000178c00, 0x14123e0, 0xc016618000, 0x140c480, 0xc0061fa000, 0x0, 0x1, 0x20000240, 0x11a, 0x100, ...) pkg/sentry/vfs/file_description.go:654 +0xb4 fp=0xc00e9d1870 sp=0xc00e9d17d8 pc=0x746814 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc016618000, 0xc000178c00, 0x140c480, 0xc0061fa000, 0x0, 0x1, 0x20000240, 0x11a, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:345 +0x9b fp=0xc00e9d1a00 sp=0xc00e9d1870 pc=0xdf423b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc016618000, 0xf0, 0x20000240, 0x11a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:314 +0x1d4 fp=0xc00e9d1af8 sp=0xc00e9d1a00 pc=0xdf3b74 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc016618000, 0x1, 0xf0, 0x20000240, 0x11a, 0x0, 0x0, 0x0, 0xe3a26c, 0x127bd40, ...) pkg/sentry/kernel/task_syscall.go:102 +0x13c fp=0xc00e9d1c58 sp=0xc00e9d1af8 pc=0x9f107c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc016618000, 0x1, 0xf0, 0x20000240, 0x11a, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0x66 fp=0xc00e9d1ce0 sp=0xc00e9d1c58 pc=0x9f2246 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc016618000, 0x1, 0xf0, 0x20000240, 0x11a, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:197 +0x98 fp=0xc00e9d1d40 sp=0xc00e9d1ce0 pc=0x9f1df8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc016618000, 0x2, 0xc016618000) pkg/sentry/kernel/task_syscall.go:172 +0x15c fp=0xc00e9d1e10 sp=0xc00e9d1d40 pc=0x9f179c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc016618000, 0x13deac0, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc00e9d1f60 sp=0xc00e9d1e10 pc=0x9e5b45 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc016618000, 0x2592) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00e9d1fd0 sp=0xc00e9d1f60 pc=0x9e480f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00e9d1fd8 sp=0xc00e9d1fd0 pc=0x4709a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:328 +0xfe