panic: nested locking: kernel.taskSetRWMutex:
goroutine 1987 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x0?)
	pkg/log/log.go:318 +0x8d
gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000024f00, 0x0)
	pkg/sync/locking/lockdep.go:105 +0x4dd
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskSetRWMutex).RLock(0xc00052a1c0)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/kernel/taskset_mutex.go:46 +0x3f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendSignal(0xc001170000, 0xc000207480?)
	pkg/sentry/kernel/task_signals.go:380 +0xa5
gvisor.dev/gvisor/pkg/sentry/kernel/fasync.(*FileAsync).NotifyEvent(0xc000c47500, 0x1)
	pkg/sentry/kernel/fasync/fasync.go:142 +0x5f8
gvisor.dev/gvisor/pkg/waiter.(*Queue).Notify(0xc00112c6f0, 0x1)
	pkg/waiter/waiter.go:237 +0xae
gvisor.dev/gvisor/pkg/sentry/fsimpl/signalfd.(*SignalFileDescription).NotifyEvent(0xc00112c680, 0x451932?)
	pkg/sentry/fsimpl/signalfd/signalfd.go:146 +0x3a
gvisor.dev/gvisor/pkg/waiter.(*Queue).Notify(0xc0011706f0, 0x2000)
	pkg/waiter/waiter.go:237 +0xae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).canReceiveSignalLocked(0xc001170000, 0xe)
	pkg/sentry/kernel/task_signals.go:526 +0x115
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).sendSignalTimerLocked(0xc001170000, 0xc0010da180, 0x1, 0xc000dce880)
	pkg/sentry/kernel/task_signals.go:469 +0x48c
gvisor.dev/gvisor/pkg/sentry/kernel.(*IntervalTimer).NotifyTimer(0xc000dce880, 0x1, {0xb7?, {0xc000f8f000?}, 0xc000c1e768?})
	pkg/sentry/kernel/posixtimer.go:147 +0x610
gvisor.dev/gvisor/pkg/sentry/kernel/time.(*Timer).Tick(0xc000547400)
	pkg/sentry/kernel/time/time.go:531 +0x1e2
gvisor.dev/gvisor/pkg/sentry/kernel/time.(*Timer).runGoroutine(0xc000547400)
	pkg/sentry/kernel/time/time.go:515 +0x4a
created by gvisor.dev/gvisor/pkg/sentry/kernel/time.(*Timer).init
	pkg/sentry/kernel/time/time.go:487 +0x245