panic: WARNING: circular locking detected: kernel.taskSetRWMutex -> kernfs.filesystemRWMutex:
goroutine 2892810 [running]:
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).Lock(0xc001ce0170)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:31 +0x45
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc007605950, {0x7993d0, 0xc0001730b0})
	pkg/sentry/fsimpl/kernfs/kernfs.go:286 +0x7e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Cgroup).decRef(0xc0073ede00)
	pkg/sentry/kernel/cgroup.go:121 +0x5c
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc0002d9ab0, {0x799898, 0xc0050b7500}, 0xc00184d310)
	pkg/sentry/kernel/task_start.go:244 +0x159b
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc0050b7500?, {0x799898, 0xc0050b7500}, 0xc00184d310)
	pkg/sentry/kernel/task_start.go:127 +0xeb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0050b7500, 0xc00184d3f0)
	pkg/sentry/kernel/task_clone.go:219 +0x1e06
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x1127857?, 0x3d0f00, 0x7f70989ff2f0, 0x7f70989ff9d0, 0x7f70989ff9d0, 0x7f70989ff700)
	pkg/sentry/syscalls/linux/sys_thread.go:216 +0x145
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc00184d578?, {{0x3d0f00}, {0x7f70989ff2f0}, {0x7f70989ff9d0}, {0x7f70989ff9d0}, {0x7f70989ff700}, {0x7f70989ff700}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0050b7500, 0x38, {{0x3d0f00}, {0x7f70989ff2f0}, {0x7f70989ff9d0}, {0x7f70989ff9d0}, {0x7f70989ff700}, {0x7f70989ff700}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0050b7500, 0x0?, {{0x3d0f00}, {0x7f70989ff2f0}, {0x7f70989ff9d0}, {0x7f70989ff9d0}, {0x7f70989ff700}, {0x7f70989ff700}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002c81e60?, 0xc00438c8f0?, {{0x3d0f00}, {0x7f70989ff2f0}, {0x7f70989ff9d0}, {0x7f70989ff9d0}, {0x7f70989ff700}, {0x7f70989ff700}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0050b7500)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0050b7500?, 0xc0050b7500)
	pkg/sentry/kernel/task_run.go:253 +0x1965
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0050b7500, 0xdd3a)
	pkg/sentry/kernel/task_run.go:94 +0x3a2
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:380 +0x1ad