panic: IPv6 payload too large: 65536, must be <= 65535 goroutine 51334 [running]: panic(0x10b3320, 0xc00136c770) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc002a37030 sp=0xc002a36f78 pc=0x437110 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).addIPHeader(0xc0008ee340, 0xc002fd8690, 0x10, 0xc002fd8690, 0x10, 0xc002ae80f0, 0x4000000006, 0x0, 0x0, 0x0) pkg/tcpip/network/ipv6/ipv6.go:621 +0x2e5 fp=0xc002a37100 sp=0xc002a37030 pc=0xbacfc5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).WritePacket(0xc0008ee340, 0xc001365760, 0x0, 0x4000000006, 0xc002ae80f0, 0xc0006dc7c8) pkg/tcpip/network/ipv6/ipv6.go:698 +0xb9 fp=0xc002a37540 sp=0xc002a37100 pc=0xbad4d9 gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc001365760, 0x0, 0x4000000006, 0xc002ae80f0, 0xc0013d0e00) pkg/tcpip/stack/route.go:505 +0xd7 fp=0xc002a37580 sp=0xc002a37540 pc=0x9a1237 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).finishWrite(0xc002e00000, 0xc002e04000, 0x10000, 0x10000, 0xc001365760, 0xc002a376a8, 0x1407260, 0x0) pkg/tcpip/transport/raw/endpoint.go:429 +0x4c9 fp=0xc002a37658 sp=0xc002a37580 pc=0xb436e9 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc002e00000, 0x1403d20, 0xc00125ec30, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/tcpip/transport/raw/endpoint.go:364 +0x3b6 fp=0xc002a37730 sp=0xc002a37658 pc=0xb42e96 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc002e00000, 0x1403d20, 0xc00125ec30, 0x0, 0x0, 0xc002a37878, 0x57b0c5, 0xc002dbf3c4) pkg/tcpip/transport/raw/endpoint.go:272 +0xb4 fp=0xc002a37780 sp=0xc002a37730 pc=0xb42834 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).Write(0xc002aec600, 0x1423c40, 0xc002dbea80, 0x141e9e0, 0xc0013d0e00, 0x0, 0x1, 0x0, 0x10000, 0x0, ...) pkg/sentry/socket/netstack/netstack_vfs2.go:156 +0x10c fp=0xc002a37818 sp=0xc002a37780 pc=0xbd98cc gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc002aec600, 0x1423c40, 0xc002dbea80, 0x141e9e0, 0xc0013d0e00, 0x0, 0x1, 0x0, 0x10000, 0x0, ...) pkg/sentry/vfs/file_description.go:710 +0xb5 fp=0xc002a37898 sp=0xc002a37818 pc=0x7dae35 gvisor.dev/gvisor/pkg/sentry/kernel/pipe.(*VFSPipeFD).SpliceToNonPipe(0xc0013d0e00, 0x1423c40, 0xc002dbea80, 0xc002aec600, 0xffffffffffffffff, 0x19410, 0x0, 0x0, 0x0) pkg/sentry/kernel/pipe/vfs.go:344 +0x1db fp=0xc002a37988 sp=0xc002a37898 pc=0x90ec1b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Splice(0xc002dbea80, 0x3, 0x0, 0x5, 0x0, 0x19410, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/splice.go:179 +0xb13 fp=0xc002a37b90 sp=0xc002a37988 pc=0xe775b3 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002dbea80, 0x113, 0x3, 0x0, 0x5, 0x0, 0x19410, 0x0, 0xeb4fb7, 0x128ab00, ...) pkg/sentry/kernel/task_syscall.go:116 +0x1b9 fp=0xc002a37c50 sp=0xc002a37b90 pc=0xa4d459 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002dbea80, 0x113, 0x3, 0x0, 0x5, 0x0, 0x19410, 0x0, 0x19410, 0x0) pkg/sentry/kernel/task_syscall.go:291 +0x70 fp=0xc002a37cd8 sp=0xc002a37c50 pc=0xa4e710 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002dbea80, 0x113, 0x3, 0x0, 0x5, 0x0, 0x19410, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc002a37d38 sp=0xc002a37cd8 pc=0xa4e214 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002dbea80, 0x2, 0xc002dbea80) pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc002a37e08 sp=0xc002a37d38 pc=0xa4daf8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc002dbea80, 0x13f60c0, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc002a37f60 sp=0xc002a37e08 pc=0xa405b5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002dbea80, 0x391) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc002a37fd0 sp=0xc002a37f60 pc=0xa3f0c2 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc002a37fd8 sp=0xc002a37fd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:374 +0x116