panic: runtime error: makeslice: len out of range goroutine 934425 [running]: gvisor.dev/gvisor/pkg/tcpip/buffer.NewView(...) pkg/tcpip/buffer/view.go:24 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*readerPayload).Payload(0xc000b5ed00, 0x8000000000004, 0xc00033ce30, 0x0, 0xc00033ce30, 0xe0cd08) pkg/sentry/socket/netstack/netstack.go:568 +0x55 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*readerPayload).FullPayload(0xc000b5ed00, 0x1, 0xc000465300, 0x0, 0x10) pkg/sentry/socket/netstack/netstack.go:560 +0x34 gvisor.dev/gvisor/pkg/tcpip/transport/udp.(*endpoint).write(0xc09b2b6240, 0xf17240, 0xc000b5ed00, 0x0, 0x10000, 0x0, 0x0, 0x0) pkg/tcpip/transport/udp/endpoint.go:470 +0x3b2 gvisor.dev/gvisor/pkg/tcpip/transport/udp.(*endpoint).Write(0xc09b2b6240, 0xf17240, 0xc000b5ed00, 0x0, 0x8000000010000, 0x0, 0x0, 0xf133e0) pkg/tcpip/transport/udp/endpoint.go:360 +0x68 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketOperations).ReadFrom(0xc0014332c0, 0xf2f700, 0xc001060a80, 0xc085a37290, 0xf11a60, 0xc001b25920, 0x8000000000004, 0x7f2b4bbd8f00, 0x0, 0xf133e0) pkg/sentry/socket/netstack/netstack.go:591 +0xc7 gvisor.dev/gvisor/pkg/sentry/fs.Splice(0xf2f700, 0xc001060a80, 0xc085a37290, 0xc0833e7a20, 0x8000000000004, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fs/splice.go:146 +0x7c7 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doSplice(0xc001060a80, 0xc085a37290, 0xc0833e7a20, 0x8000000000004, 0x0, 0x0, 0x0, 0x0, 0xc001d46000, 0x0, ...) pkg/sentry/syscalls/linux/sys_splice.go:40 +0x149 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Sendfile(0xc001060a80, 0x6, 0x3, 0x0, 0x8000000000004, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/sys_splice.go:151 +0x68c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001060a80, 0x28, 0x6, 0x3, 0x0, 0x8000000000004, 0x0, 0x0, 0x0, 0xdd2aa0, ...) pkg/sentry/kernel/task_syscall.go:170 +0x122 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001060a80, 0x28, 0x6, 0x3, 0x0, 0x8000000000004, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:291 +0x66 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001060a80, 0x28, 0x6, 0x3, 0x0, 0x8000000000004, 0x0, 0x0, 0xc09aca45a0, 0x1) pkg/sentry/kernel/task_syscall.go:252 +0x96 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001060a80, 0x2, 0xc00037a000) pkg/sentry/kernel/task_syscall.go:227 +0x139 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc001060a80, 0xf11e60, 0x0) pkg/sentry/kernel/task_run.go:258 +0xed5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001060a80, 0x8fa3) pkg/sentry/kernel/task_run.go:92 +0x18b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:315 +0xfe