panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xaf1739]

goroutine 251 gp=0xc0009d2c40 m=8 mp=0xc0008b6008 [running]:
panic({0x11d3d80?, 0x21d0510?})
	GOROOT/src/runtime/panic.go:779 +0x158 fp=0xc000753670 sp=0xc0007535c0 pc=0x43cb78
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:261
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:881 +0x378 fp=0xc0007536d0 sp=0xc000753670 pc=0x456578
gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).OnCorkOptionSet(0xc0002fd508, 0x40?)
	pkg/tcpip/transport/tcp/endpoint.go:1766 +0x79 fp=0xc000753710 sp=0xc0007536d0 pc=0xaf1739
gvisor.dev/gvisor/pkg/tcpip.(*SocketOptions).SetCorkOption(0x161f528?, 0xf0?)
	pkg/tcpip/socketops.go:474 +0x5c fp=0xc000753730 sp=0xc000753710 pc=0x668f7c
gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptTCP(0x7fbd403ff498?, {0x161f528?, 0xc0007a40f0?}, {0x7fbd403ff498, 0xc0002fd508}, 0x3, {0xc0009bbe3c, 0x4, 0xc0007537e8?})
	pkg/sentry/socket/netstack/netstack.go:2015 +0x19b fp=0xc000753770 sp=0xc000753730 pc=0xb81e9b
gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x2?, {0x161f528?, 0xc0007a40f0?}, {0x7fbd403ff498?, 0xc0002fd508?}, 0x160db78?, 0xc0009bb508?, {0xc0009bbe3c, 0x4, 0x90})
	pkg/sentry/socket/netstack/netstack.go:1765 +0xf0 fp=0xc0007537c8 sp=0xc000753770 pc=0xb80d90
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc0007a40f0, 0xc0009bb508?, 0x6?, 0x3?, {0xc0009bbe3c, 0x4?, 0x90?})
	pkg/sentry/socket/netstack/netstack.go:611 +0x267 fp=0xc000753878 sp=0xc0007537c8 pc=0xb7a367
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc0009bb508, 0x8e545?, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7ff7a3e78e78}})
	pkg/sentry/syscalls/linux/sys_socket.go:551 +0x315 fp=0xc000753958 sp=0xc000753878 pc=0xc097f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0009bb508, 0x36, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7ff7a3e78e78}})
	pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000753c98 sp=0xc000753958 pc=0xa581ab
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0009bb508, 0x36, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7ff7a3e78e78}})
	pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000753cf0 sp=0xc000753c98 pc=0xa5976e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0009bb508, 0x36, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7ff7a3e78e78}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000753d40 sp=0xc000753cf0 pc=0xa5931d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00091fba0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000753e28 sp=0xc000753d40 pc=0xa59009
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000a22000?, 0xc0009bb508)
	pkg/sentry/kernel/task_run.go:263 +0x1325 fp=0xc000753f48 sp=0xc000753e28 pc=0xa4b285
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0009bb508, 0x6)
	pkg/sentry/kernel/task_run.go:98 +0x24c fp=0xc000753fc0 sp=0xc000753f48 pc=0xa498ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:390 +0x25 fp=0xc000753fe0 sp=0xc000753fc0 pc=0xa566a5
runtime.goexit({})
	src/runtime/asm_amd64.s:1695 +0x1 fp=0xc000753fe8 sp=0xc000753fe0 pc=0x478c41
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 249
	pkg/sentry/kernel/task_start.go:390 +0xf8