WARNING: DATA RACE Read at 0x00c4208fa9ce by goroutine 440: gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Set).checkPerms() pkg/sentry/kernel/semaphore/semaphore.go:432 +0x49 gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Registry).FindOrCreate() pkg/sentry/kernel/semaphore/semaphore.go:123 +0x455 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Semget() pkg/sentry/syscalls/linux/sys_sem.go:42 +0x113 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Previous write at 0x00c4208fa9c8 by goroutine 426: gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Set).Change() pkg/sentry/kernel/semaphore/semaphore.go:261 +0x120 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.ipcSet() pkg/sentry/syscalls/linux/sys_sem.go:145 +0x18d gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Semctl() pkg/sentry/syscalls/linux/sys_sem.go:115 +0x2ab gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264