panic: IPv6 payload too large: 65718, must be <= 65535 goroutine 1243525 [running]: panic(0xfd11e0, 0xc021ed8890) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0019e6dd8 sp=0xc0019e6d20 pc=0x437110 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).addIPHeader(0xc0003a7040, 0xc020f93f40, 0x10, 0xc020f93f40, 0x10, 0xc011d1aff0, 0x400000003a, 0x0, 0x0, 0x0) pkg/tcpip/network/ipv6/ipv6.go:547 +0x2b7 fp=0xc0019e6ea8 sp=0xc0019e6dd8 pc=0xb08e57 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).WritePacket(0xc0003a7040, 0xc0181a18c0, 0x0, 0x400000003a, 0xc011d1aff0, 0xc01ec45380) pkg/tcpip/network/ipv6/ipv6.go:612 +0xaf fp=0xc0019e72e8 sp=0xc0019e6ea8 pc=0xb0920f gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc0181a18c0, 0x0, 0x400000003a, 0xc011d1aff0, 0xc023110000) pkg/tcpip/stack/route.go:410 +0xb7 fp=0xc0019e7328 sp=0xc0019e72e8 pc=0x936eb7 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).finishWrite(0xc021ede400, 0xc022cca000, 0x100b6, 0x100b6, 0xc0181a18c0, 0x10, 0x86dd, 0xc0181a18c0) pkg/tcpip/transport/raw/endpoint.go:354 +0x47c fp=0xc0019e7400 sp=0xc0019e7328 pc=0xaaf8bc gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc021ede400, 0x1306a00, 0xc022ca5090, 0xc021eedec0, 0x0, 0x0, 0x0, 0x0) pkg/tcpip/transport/raw/endpoint.go:321 +0x227 fp=0xc0019e74d8 sp=0xc0019e7400 pc=0xaaefe7 gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc021ede400, 0x1306a00, 0xc022ca5090, 0xc021eedec0, 0xc020000000, 0x10, 0x880000, 0xc022cc000a) pkg/tcpip/transport/raw/endpoint.go:235 +0x8a fp=0xc0019e7528 sp=0xc0019e74d8 pc=0xaaec0a gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc020fe8df0, 0xc022e80a80, 0x13219a0, 0xc023110000, 0xc021efc550, 0x5, 0x0, 0x100b6, 0x100, 0xc022cc8000, ...) pkg/sentry/socket/netstack/netstack.go:2983 +0x19d fp=0xc0019e7818 sp=0xc0019e7528 pc=0xb2ee7d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc022e80a80, 0x7fbb1cfba5c0, 0xc020fe8d80, 0xc020fe8d80, 0x20000080, 0x0, 0x0, 0xc0019e7ae8, 0xa5b754) pkg/sentry/syscalls/linux/vfs2/socket.go:1051 +0x3c2 fp=0xc0019e7a58 sp=0xc0019e7818 pc=0xda4502 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc022e80a80, 0x4, 0x20000080, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/socket.go:929 +0x225 fp=0xc0019e7af8 sp=0xc0019e7a58 pc=0xda3905 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc022e80a80, 0x2e, 0x4, 0x20000080, 0x0, 0x0, 0x0, 0x0, 0x1, 0x11a86c0, ...) pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc0019e7c58 sp=0xc0019e7af8 pc=0x9d281c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc022e80a80, 0x2e, 0x4, 0x20000080, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc0019e7ce0 sp=0xc0019e7c58 pc=0x9d39e6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc022e80a80, 0x2e, 0x4, 0x20000080, 0x0, 0x0, 0x0, 0x0, 0xdead6e, 0xc01ff59660) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc0019e7d40 sp=0xc0019e7ce0 pc=0x9d3598 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc022e80a80, 0x2, 0xc022e80a80) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc0019e7e10 sp=0xc0019e7d40 pc=0x9d2f3c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc022e80a80, 0x12f8da0, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc0019e7f60 sp=0xc0019e7e10 pc=0x9c7345 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc022e80a80, 0xbd9b) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0019e7fd0 sp=0xc0019e7f60 pc=0x9c600f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0019e7fd8 sp=0xc0019e7fd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe