panic: PullUp failed goroutine 684 [running]: panic(0x1173ee0, 0x14d7300) GOROOT/src/runtime/panic.go:1064 +0x545 fp=0xc0004e3218 sp=0xc0004e3150 pc=0x437265 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc000858500, 0x1, 0xc00043cc00, 0xe, 0x14) pkg/tcpip/stack/packet_buffer.go:317 +0x115 fp=0xc0004e3260 sp=0xc0004e3218 pc=0x9b5855 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).consume(0xc000858500, 0x1, 0x20, 0x14, 0x1c, 0xffffffffffffff01, 0x0) pkg/tcpip/stack/packet_buffer.go:303 +0xf2 fp=0xc0004e32b8 sp=0xc0004e3260 pc=0x9b5652 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Consume(...) pkg/tcpip/stack/packet_buffer.go:429 gvisor.dev/gvisor/pkg/tcpip/header/parse.IPv4(0xc000858500, 0x587869) pkg/tcpip/header/parse/parse.go:67 +0xe6 fp=0xc0004e3300 sp=0xc0004e32b8 pc=0xb64c46 gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*protocol).Parse(0xc000906180, 0xc000858500, 0xc0004e33b0) pkg/tcpip/network/ipv4/ipv4.go:1526 +0x39 fp=0xc0004e3338 sp=0xc0004e3300 pc=0xbce399 gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*protocol).parseAndValidate(0xc000906180, 0xc000858500, 0x0, 0x2a, 0x2a, 0x0) pkg/tcpip/network/ipv4/ipv4.go:1482 +0x49 fp=0xc0004e33c0 sp=0xc0004e3338 pc=0xbcdfe9 gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).HandlePacket(0xc0003a8300, 0xc000858500) pkg/tcpip/network/ipv4/ipv4.go:889 +0xcd fp=0xc0004e3628 sp=0xc0004e33c0 pc=0xbcae8d gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00002e2d0, 0xc000aa2350, 0x6, 0x0, 0x0, 0x800, 0xc000858500) pkg/tcpip/stack/nic.go:928 +0x31f fp=0xc0004e36b8 sp=0xc0004e3628 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(0xc000810428, 0xc000a14420, 0x2a, 0x2a, 0x20000080, 0x2a, 0x100) pkg/tcpip/link/tun/device.go:275 +0x3bb fp=0xc0004e37a0 sp=0xc0004e36b8 pc=0xbf66db gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc0008103c0, 0x1523080, 0xc000849500, 0x151d220, 0xc0008d1000, 0x0, 0x1, 0x20000080, 0x2a, 0x100, ...) pkg/sentry/devices/tundev/tundev.go:175 +0x1a9 fp=0xc0004e3870 sp=0xc0004e37a0 pc=0xfa1329 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0008103c0, 0x1523080, 0xc000849500, 0x151d220, 0xc0008d1000, 0x0, 0x1, 0x20000080, 0x2a, 0x100, ...) pkg/sentry/vfs/file_description.go:744 +0xc3 fp=0xc0004e3908 sp=0xc0004e3870 pc=0x771943 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc000849500, 0xc0008103c0, 0x151d220, 0xc0008d1000, 0x0, 0x1, 0x20000080, 0x2a, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:423 +0xa5 fp=0xc0004e3a98 sp=0xc0004e3908 pc=0xed0225 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc000849500, 0xf0, 0x20000080, 0x2a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:386 +0x21e fp=0xc0004e3b90 sp=0xc0004e3a98 pc=0xecfa9e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000849500, 0x1, 0xf0, 0x20000080, 0x2a, 0x0, 0x0, 0x0, 0xc000055000, 0x136d1e0, ...) pkg/sentry/kernel/task_syscall.go:114 +0x1b9 fp=0xc0004e3c50 sp=0xc0004e3b90 pc=0xa71459 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000849500, 0x1, 0xf0, 0x20000080, 0x2a, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:289 +0x70 fp=0xc0004e3cd8 sp=0xc0004e3c50 pc=0xa72710 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000849500, 0x1, 0xf0, 0x20000080, 0x2a, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:236 +0xb4 fp=0xc0004e3d38 sp=0xc0004e3cd8 pc=0xa72214 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000849500, 0x2, 0xc000849500) pkg/sentry/kernel/task_syscall.go:203 +0x198 fp=0xc0004e3e08 sp=0xc0004e3d38 pc=0xa71af8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000849500, 0x14efb20, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc0004e3f60 sp=0xc0004e3e08 pc=0xa64535 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000849500, 0x1f) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc0004e3fd0 sp=0xc0004e3f60 pc=0xa63042 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0004e3fd8 sp=0xc0004e3fd0 pc=0x4709a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:381 +0x116