panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x2d8 pc=0xa50087]

goroutine 49304 gp=0xc00056fa40 m=50 mp=0xc00071e008 [running]:
panic({0x10e0dc0?, 0x1f3a290?})
	GOROOT/src/runtime/panic.go:779 +0x158 fp=0xc0012b7680 sp=0xc0012b75d0 pc=0x43cb78
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:261
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:881 +0x378 fp=0xc0012b76e0 sp=0xc0012b7680 pc=0x456578
gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).OnCorkOptionSet(0xc004bea708, 0xd8?)
	pkg/tcpip/transport/tcp/endpoint.go:1766 +0x67 fp=0xc0012b7720 sp=0xc0012b76e0 pc=0xa50087
gvisor.dev/gvisor/pkg/tcpip.(*SocketOptions).SetCorkOption(0x150bee8?, 0xa0?)
	pkg/tcpip/socketops.go:474 +0x24 fp=0xc0012b7740 sp=0xc0012b7720 pc=0x65abe4
gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptTCP(0xc00387d208?, {0x150bee8?, 0xc0058885a0?}, {0x7f3c456c98d8, 0xc004bea708}, 0x3, {0xc0076d293c, 0x4, 0xc0038b3008?})
	pkg/sentry/socket/netstack/netstack.go:2015 +0x135 fp=0xc0012b7780 sp=0xc0012b7740 pc=0xaca0d5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x8359a0?, {0x150bee8?, 0xc0058885a0?}, {0x7f3c456c98d8?, 0xc004bea708?}, 0xc0076d2008?, 0xc0012b7870?, {0xc0076d293c, 0x4, 0x90})
	pkg/sentry/socket/netstack/netstack.go:1765 +0xbc fp=0xc0012b77d8 sp=0xc0012b7780 pc=0xac94dc
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc0058885a0, 0xc0076d2008?, 0x6?, 0x3?, {0xc0076d293c, 0x4?, 0x90?})
	pkg/sentry/socket/netstack/netstack.go:611 +0x235 fp=0xc0012b7880 sp=0xc0012b77d8 pc=0xac3e75
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc0076d2008, 0x6a?, {{0x3}, {0x6}, {0x3}, {0x20000040}, {0x4}, {0x0}})
	pkg/sentry/syscalls/linux/sys_socket.go:551 +0x266 fp=0xc0012b7960 sp=0xc0012b7880 pc=0xb4e626
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0076d2008, 0x36, {{0x3}, {0x6}, {0x3}, {0x20000040}, {0x4}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x673 fp=0xc0012b7ca0 sp=0xc0012b7960 pc=0x9c5433
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0076d2008, 0x36, {{0x3}, {0x6}, {0x3}, {0x20000040}, {0x4}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc0012b7cf8 sp=0xc0012b7ca0 pc=0x9c65a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0076d2008, 0x36, {{0x3}, {0x6}, {0x3}, {0x20000040}, {0x4}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc0012b7d48 sp=0xc0012b7cf8 pc=0x9c62a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0022e6ea0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc0012b7e30 sp=0xc0012b7d48 pc=0x9c6025
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc009652630?, 0xc0076d2008)
	pkg/sentry/kernel/task_run.go:263 +0xef7 fp=0xc0012b7f48 sp=0xc0012b7e30 pc=0x9ba517
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0076d2008, 0x39f5)
	pkg/sentry/kernel/task_run.go:98 +0x1e2 fp=0xc0012b7fc0 sp=0xc0012b7f48 pc=0x9b8fa2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:390 +0x25 fp=0xc0012b7fe0 sp=0xc0012b7fc0 pc=0x9c3d25
runtime.goexit({})
	src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0012b7fe8 sp=0xc0012b7fe0 pc=0x478c41
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 49505
	pkg/sentry/kernel/task_start.go:390 +0xe5