panic: PullUp failed goroutine 352494 [running]: panic(0x1083e20, 0x13c7620) GOROOT/src/runtime/panic.go:1064 +0x545 fp=0xc010021110 sp=0xc010021048 pc=0x437265 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc01392a400, 0x2, 0xc000442000, 0x6, 0xc001728000) pkg/tcpip/stack/packet_buffer.go:280 +0xcb fp=0xc010021158 sp=0xc010021110 pc=0x94818b gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).consume(0xc01392a400, 0x2, 0x8, 0x0, 0x0, 0xc087fa1800, 0x40ef2d) pkg/tcpip/stack/packet_buffer.go:270 +0xac fp=0xc0100211b0 sp=0xc010021158 pc=0x947fcc gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Consume(...) pkg/tcpip/stack/packet_buffer.go:380 gvisor.dev/gvisor/pkg/tcpip/header/parse.UDP(0xc01392a400, 0x948125) pkg/tcpip/header/parse/parse.go:150 +0x3d fp=0xc0100211f8 sp=0xc0100211b0 pc=0xacca5d gvisor.dev/gvisor/pkg/tcpip/transport/udp.(*protocol).Parse(0xc0001142d0, 0xc01392a400, 0x11) pkg/tcpip/transport/udp/protocol.go:114 +0x2b fp=0xc010021218 sp=0xc0100211f8 pc=0xb0ec8b gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).ParsePacketBufferTransport(0xc000443500, 0x11, 0xc01392a400, 0xe) pkg/tcpip/stack/stack.go:1838 +0x98 fp=0xc010021250 sp=0xc010021218 pc=0x956ad8 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc0006d8480, 0xc01392a400, 0x415a8f, 0x7f47d452d900, 0x20300000000000, 0x7f47d4696fff) pkg/tcpip/network/ipv6/ipv6.go:2117 +0x1a7 fp=0xc0100212d8 sp=0xc010021250 pc=0xb376e7 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc000ad4000, 0xc01392a400) pkg/tcpip/network/ipv6/ipv6.go:1028 +0xae fp=0xc010021560 sp=0xc0100212d8 pc=0xb3156e gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc000ac8000, 0xc001298910, 0x6, 0x0, 0x0, 0x86dd, 0xc01392a400) pkg/tcpip/stack/nic.go:762 +0x24f fp=0xc0100215f0 sp=0xc010021560 pc=0x945eaf 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(0xc000ac4068, 0xc00be1c420, 0xa2, 0xa2, 0x0, 0x1, 0x20000240) pkg/tcpip/link/tun/device.go:226 +0x2d6 fp=0xc0100216d0 sp=0xc0100215f0 pc=0xb484d6 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc000ac4000, 0x14139e0, 0xc00ec1b500, 0x140da80, 0xc087fa1000, 0x0, 0x1, 0x20000240, 0xa2, 0x100, ...) pkg/sentry/devices/tundev/tundev.go:146 +0x1de fp=0xc0100217d8 sp=0xc0100216d0 pc=0xebaa3e gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000ac4000, 0x14139e0, 0xc00ec1b500, 0x140da80, 0xc087fa1000, 0x0, 0x1, 0x20000240, 0xa2, 0x100, ...) pkg/sentry/vfs/file_description.go:654 +0xb4 fp=0xc010021870 sp=0xc0100217d8 pc=0x746814 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00ec1b500, 0xc000ac4000, 0x140da80, 0xc087fa1000, 0x0, 0x1, 0x20000240, 0xa2, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:345 +0x9b fp=0xc010021a00 sp=0xc010021870 pc=0xdf4b1b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00ec1b500, 0xf0, 0x20000240, 0xa2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:314 +0x1d4 fp=0xc010021af8 sp=0xc010021a00 pc=0xdf4454 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00ec1b500, 0x1, 0xf0, 0x20000240, 0xa2, 0x0, 0x0, 0x0, 0xe3ab4c, 0x127ce20, ...) pkg/sentry/kernel/task_syscall.go:102 +0x13c fp=0xc010021c58 sp=0xc010021af8 pc=0x9f135c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00ec1b500, 0x1, 0xf0, 0x20000240, 0xa2, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0x66 fp=0xc010021ce0 sp=0xc010021c58 pc=0x9f2526 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00ec1b500, 0x1, 0xf0, 0x20000240, 0xa2, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:197 +0x98 fp=0xc010021d40 sp=0xc010021ce0 pc=0x9f20d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00ec1b500, 0x2, 0xc00ec1b500) pkg/sentry/kernel/task_syscall.go:172 +0x15c fp=0xc010021e10 sp=0xc010021d40 pc=0x9f1a7c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00ec1b500, 0x13e00c0, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc010021f60 sp=0xc010021e10 pc=0x9e5e25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00ec1b500, 0x1c96) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc010021fd0 sp=0xc010021f60 pc=0x9e4aef runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc010021fd8 sp=0xc010021fd0 pc=0x4709a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:328 +0xfe