panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1e1f176]

goroutine 113 gp=0xc000a30540 m=17 mp=0xc000a00008 [running]:
panic({0x312be0?, 0x2822520?})
	GOROOT/src/runtime/panic.go:779 +0x158 fp=0xc0007730c0 sp=0xc000773010 pc=0x1355e98
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:261
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:881 +0x378 fp=0xc000773120 sp=0xc0007730c0 pc=0x13710f8
gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).OnCorkOptionSet(0xc000568308, 0x0)
	pkg/tcpip/transport/tcp/endpoint.go:1766 +0xb6 fp=0xc000773190 sp=0xc000773120 pc=0x1e1f176
gvisor.dev/gvisor/pkg/tcpip.(*SocketOptions).SetCorkOption(0xc000568818, 0x0)
	pkg/tcpip/socketops.go:474 +0x66 fp=0xc0007731b0 sp=0xc000773190 pc=0x16d4526
gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptTCP(0x0?, {0x8335c8, 0xc0009563c0}, {0x7f00ed5a88f0, 0xc000568308}, 0x3, {0xc0008fd3bc, 0x4, 0x1397711?})
	pkg/sentry/socket/netstack/netstack.go:2015 +0x425 fp=0xc000773250 sp=0xc0007731b0 pc=0x1eef5c5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc0008fca88, {0x8335c8, 0xc0009563c0}, {0x7f00ed5a88f0, 0xc000568308}, 0x6, 0x3, {0xc0008fd3bc, 0x4, 0x90})
	pkg/sentry/socket/netstack/netstack.go:1765 +0x196 fp=0xc0007732b0 sp=0xc000773250 pc=0x1eec996
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc0009563c0, 0xc0008fca88, 0x6, 0x3, {0xc0008fd3bc, 0x4, 0x90})
	pkg/sentry/socket/netstack/netstack.go:611 +0x608 fp=0xc0007733d8 sp=0xc0007732b0 pc=0x1ee4468
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc0008fca88, 0xc000773570?, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7eb56d5cde78}})
	pkg/sentry/syscalls/linux/sys_socket.go:551 +0x3b5 fp=0xc0007734f0 sp=0xc0007733d8 pc=0x1fb4e55
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0008fca88, 0x36, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7eb56d5cde78}})
	pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc000773938 sp=0xc0007734f0 pc=0x1d30595
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0008fca88, 0x36, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7eb56d5cde78}})
	pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc0007739e0 sp=0xc000773938 pc=0x1d323f2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0008fca88, 0x36, {{0x3}, {0x6}, {0x3}, {0x200000c0}, {0x4}, {0x7eb56d5cde78}})
	pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc000773a50 sp=0xc0007739e0 pc=0x1d31df4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0008fca88)
	pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc000773b80 sp=0xc000773a50 pc=0x1d31990
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0008fca88?, 0xc0008fca88)
	pkg/sentry/kernel/task_run.go:263 +0x1fee fp=0xc000773e98 sp=0xc000773b80 pc=0x1d1b20e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0008fca88, 0x7)
	pkg/sentry/kernel/task_run.go:98 +0x46d fp=0xc000773fb0 sp=0xc000773e98 pc=0x1d1888d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:390 +0x45 fp=0xc000773fe0 sp=0xc000773fb0 pc=0x1d2e0c5
runtime.goexit({})
	src/runtime/asm_amd64.s:1695 +0x1 fp=0xc000773fe8 sp=0xc000773fe0 pc=0x1394441
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 33
	pkg/sentry/kernel/task_start.go:390 +0x1ae