WARNING: DATA RACE Read at 0x00c0000409d8 by goroutine 1320: gvisor.dev/gvisor/pkg/tcpip/transport/packet.(*endpoint).SetSockOptInt() pkg/tcpip/transport/packet/endpoint.go:409 +0x5b gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket() pkg/sentry/socket/netstack/netstack.go:2763 +0x7d2 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt() pkg/sentry/socket/netstack/netstack.go:1873 +0x2e4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt() pkg/sentry/socket/netstack/netstack.go:634 +0x607 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt() pkg/sentry/syscalls/linux/sys_socket.go:551 +0x3b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:143 +0x994 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:323 +0x71 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:283 +0x93 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:258 +0x4af gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:269 +0x1fad gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:97 +0x4fa gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x44 Previous write at 0x00c0000409d8 by goroutine 1322: gvisor.dev/gvisor/pkg/tcpip/transport/packet.(*endpoint).SetPacketMMapEndpoint() pkg/tcpip/transport/packet/endpoint.go:578 +0x44 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket() pkg/sentry/socket/netstack/netstack.go:2752 +0xae1 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt() pkg/sentry/socket/netstack/netstack.go:1873 +0x2e4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt() pkg/sentry/socket/netstack/netstack.go:634 +0x607 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt() pkg/sentry/syscalls/linux/sys_socket.go:551 +0x3b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:143 +0x994 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:323 +0x71 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:283 +0x93 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:258 +0x4af gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:269 +0x1fad gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:97 +0x4fa gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x44