panic: unable to find an index for ID: 0 goroutine 190900 [running]: panic(0x1950080, 0xc0074fb0c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc007473530 sp=0xc007473468 pc=0x43a6c5 gvisor.dev/gvisor/pkg/sentry/kernel/semaphore.(*Registry).Remove(0xc003400120, 0xc000000000, 0xc0030118c0, 0x0, 0x0) pkg/sentry/kernel/semaphore/semaphore.go:250 +0x27f fp=0xc0074735e0 sp=0xc007473530 pc=0xb920ff gvisor.dev/gvisor/pkg/sentry/syscalls/linux.remove(0xc007223500, 0xc000000000, 0x1, 0x7fd9ea601f98) pkg/sentry/syscalls/linux/sys_sem.go:314 +0xc9 fp=0xc007473638 sp=0xc0074735e0 pc=0xee48e9 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Semctl(0xc007223500, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc007473858, 0x4457ea, 0xc000050000, ...) pkg/sentry/syscalls/linux/sys_sem.go:204 +0x53f fp=0xc0074737e0 sp=0xc007473638 pc=0xee393f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007223500, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc007473a50, 0x439270, ...) pkg/sentry/kernel/task_syscall.go:117 +0x582 fp=0xc0074739c0 sp=0xc0074737e0 pc=0xe14ac2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007223500, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc007223ddf, 0xc007223500) pkg/sentry/kernel/task_syscall.go:292 +0xd2 fp=0xc007473aa8 sp=0xc0074739c0 pc=0xe165d2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007223500, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4860df, 0xc008121a20) pkg/sentry/kernel/task_syscall.go:239 +0x157 fp=0xc007473b50 sp=0xc007473aa8 pc=0xe15c97 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007223500, 0x1, 0xc000000003) pkg/sentry/kernel/task_syscall.go:206 +0x2b1 fp=0xc007473cc8 sp=0xc007473b50 pc=0xe15211 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc007223500, 0x3, 0x0) pkg/sentry/kernel/task_run.go:329 +0x15ab fp=0xc007473ed8 sp=0xc007473cc8 pc=0xdfeb4b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007223500, 0xd31) pkg/sentry/kernel/task_run.go:102 +0x332 fp=0xc007473fd0 sp=0xc007473ed8 pc=0xdfc8b2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc007473fd8 sp=0xc007473fd0 pc=0x477501 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:383 +0x1da