panic: WARNING: circular locking detected: kernel.taskSetRWMutex -> kernfs.filesystemRWMutex:
goroutine 242 [running]:
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).Lock(0xc0032c5a30)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:31 +0x58
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc0026806c0, {0x6b0e30, 0xc0003c3020})
	pkg/sentry/fsimpl/kernfs/kernfs.go:286 +0xcf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Cgroup).decRef(0xc007233f98)
	pkg/sentry/kernel/cgroup.go:121 +0x6b
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc0002c7340, {0x6b12f8?, 0xc00071e000}, 0xc007341398)
	pkg/sentry/kernel/task_start.go:244 +0x16a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc00071e000?, {0x6b12f8, 0xc00071e000}, 0xc007341398)
	pkg/sentry/kernel/task_start.go:127 +0x127
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc00071e000, 0xc007341478)
	pkg/sentry/kernel/task_clone.go:219 +0x19a5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x106012c?, 0xd0f00, 0xc00059c000, 0x0, 0x0, 0xc000181890)
	pkg/sentry/syscalls/linux/sys_thread.go:217 +0x145
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x0?, {{0xd0f00}, {0xc00059c000}, {0x0}, {0x0}, {0xc000181890}, {0xc00075a4e0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0xf4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00071e000, 0x38, {{0xd0f00}, {0xc00059c000}, {0x0}, {0x0}, {0xc000181890}, {0xc00075a4e0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xab8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00071e000, 0x1?, {{0xd0f00}, {0xc00059c000}, {0x0}, {0x0}, {0xc000181890}, {0xc00075a4e0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00071a000?, 0x106012c?, {{0xd0f00}, {0xc00059c000}, {0x0}, {0x0}, {0xc000181890}, {0xc00075a4e0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00071e000)
	pkg/sentry/kernel/task_syscall.go:257 +0x53b
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00071e000?, 0xc00071e000)
	pkg/sentry/kernel/task_run.go:253 +0x1e94
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00071e000, 0xb)
	pkg/sentry/kernel/task_run.go:94 +0x2cc
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:380 +0x1da