panic: IPv6 payload too large: 65536, must be <= 65535 goroutine 392209 [running]: panic(0x16ec8e0, 0xc099c1a430) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0012aa840 sp=0xc0012aa788 pc=0x439130 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).addIPHeader(0xc0001a6b60, 0xc0001b63d0, 0x10, 0xc086ec1470, 0x10, 0xc0018682d0, 0x400000003a, 0x0, 0x0, 0x0) pkg/tcpip/network/ipv6/ipv6.go:547 +0x319 fp=0xc0012aa918 sp=0xc0012aa840 pc=0xf31639 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).WritePacket(0xc0001a6b60, 0xc0008fafd0, 0x0, 0x400000003a, 0xc0018682d0, 0x47604c) pkg/tcpip/network/ipv6/ipv6.go:612 +0x109 fp=0xc0012aadb8 sp=0xc0012aa918 pc=0xf31c29 gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc0008fafd0, 0x0, 0x400000003a, 0xc0018682d0, 0x10000) pkg/tcpip/stack/route.go:410 +0x133 fp=0xc0012aae18 sp=0xc0012aadb8 pc=0xc66013 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).finishWrite(0xc00982ae00, 0xc0180e8000, 0x10000, 0x10000, 0xc0008fafd0, 0x0, 0x0, 0x0) pkg/tcpip/transport/raw/endpoint.go:354 +0x7e9 fp=0xc0012aaf98 sp=0xc0012aae18 pc=0xe9d829 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc00982ae00, 0x1a96f00, 0xc017175e50, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/tcpip/transport/raw/endpoint.go:304 +0x4e8 fp=0xc0012ab0d8 sp=0xc0012aaf98 pc=0xe9ccc8 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc00982ae00, 0x1a96f00, 0xc017175e50, 0x0, 0x0, 0x0, 0x0, 0xc0012ab1b0) pkg/tcpip/transport/raw/endpoint.go:235 +0xb2 fp=0xc0012ab148 sp=0xc0012ab0d8 pc=0xe9c472 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).Write(0xc0067da000, 0x1ab7840, 0xc015490a80, 0x1ab24e0, 0xc01e766b00, 0x0, 0x1, 0x0, 0x10000, 0x0, ...) pkg/sentry/socket/netstack/netstack_vfs2.go:134 +0x173 fp=0xc0012ab248 sp=0xc0012ab148 pc=0xf710f3 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0067da000, 0x1ab7840, 0xc015490a80, 0x1ab24e0, 0xc01e766b00, 0x0, 0x1, 0x0, 0x10000, 0x0, ...) pkg/sentry/vfs/file_description.go:630 +0x131 fp=0xc0012ab318 sp=0xc0012ab248 pc=0x9f7ef1 gvisor.dev/gvisor/pkg/sentry/kernel/pipe.(*VFSPipeFD).SpliceToNonPipe(0xc01e766b00, 0x1ab7840, 0xc015490a80, 0xc0067da000, 0xffffffffffffffff, 0x30005, 0x0, 0x0, 0x0) pkg/sentry/kernel/pipe/vfs.go:289 +0x216 fp=0xc0012ab488 sp=0xc0012ab318 pc=0xb974f6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Splice(0xc015490a80, 0x3, 0x0, 0x5, 0x0, 0x30005, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/splice.go:140 +0xbc5 fp=0xc0012ab730 sp=0xc0012ab488 pc=0x131b5e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc015490a80, 0x113, 0x3, 0x0, 0x5, 0x0, 0x30005, 0x0, 0x0, 0x0, ...) pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc0012ab9d0 sp=0xc0012ab730 pc=0xd671b3 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc015490a80, 0x113, 0x3, 0x0, 0x5, 0x0, 0x30005, 0x0, 0x408638, 0xc01549135f) pkg/sentry/kernel/task_syscall.go:239 +0xba fp=0xc0012abab0 sp=0xc0012ab9d0 pc=0xd6893a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc015490a80, 0x113, 0x3, 0x0, 0x5, 0x0, 0x30005, 0x0, 0x138378b, 0x2d34814) pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc0012abb60 sp=0xc0012abab0 pc=0xd6824f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc015490a80, 0x2, 0xc015490a80) pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc0012abca0 sp=0xc0012abb60 pc=0xd679ea gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc015490a80, 0x1a893c0, 0x0) pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc0012abed8 sp=0xc0012abca0 pc=0xd53367 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc015490a80, 0x43d7) pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc0012abfd0 sp=0xc0012abed8 pc=0xd51498 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0012abfd8 sp=0xc0012abfd0 pc=0x474681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0x1a5