syzbot

panic: unable to find an index for ID: 0

goroutine 554 [running]:
panic(0x17d7b20, 0xc0002f2a70)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0005e5468 sp=0xc0005e53a0 pc=0x43a6c5
gvisor.dev/gvisor/pkg/sentry/kernel/semaphore.(*Registry).Remove(0xc0004be120, 0xc000000000, 0xc000603500, 0x0, 0x0)
	pkg/sentry/kernel/semaphore/semaphore.go:222 +0x23f fp=0xc0005e5518 sp=0xc0005e5468 pc=0xb0bc7f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.remove(0xc000267500, 0xc000000000, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_sem.go:243 +0x94 fp=0xc0005e5570 sp=0xc0005e5518 pc=0xdf45d4
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Semctl(0xc000267500, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x12, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_sem.go:160 +0x3c5 fp=0xc0005e5720 sp=0xc0005e5570 pc=0xdf39e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000267500, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc0005e59c0 sp=0xc0005e5720 pc=0xd40c93
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000267500, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc000267ddf, 0xc000267500)
	pkg/sentry/kernel/task_syscall.go:239 +0xb4 fp=0xc0005e5a98 sp=0xc0005e59c0 pc=0xd42474
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000267500, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4790cc, 0x4860df)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc0005e5b40 sp=0xc0005e5a98 pc=0xd41d6f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000267500, 0x2, 0xc000267500)
	pkg/sentry/kernel/task_syscall.go:174 +0x214 fp=0xc0005e5cb0 sp=0xc0005e5b40 pc=0xd414f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000267500, 0x1c4e2a0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12c7 fp=0xc0005e5ed0 sp=0xc0005e5cb0 pc=0xd2d467
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000267500, 0xf)
	pkg/sentry/kernel/task_run.go:97 +0x393 fp=0xc0005e5fd0 sp=0xc0005e5ed0 pc=0xd2b593
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0005e5fd8 sp=0xc0005e5fd0 pc=0x477501
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:328 +0x1a5