panic: WARNING: circular locking detected: kernel.taskSetRWMutex -> kernfs.filesystemRWMutex:
goroutine 2357440 [running]:
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).Lock(0xc0003f2950)
	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(0xc007bacc60, {0x79b3d0, 0xc000427170})
	pkg/sentry/fsimpl/kernfs/kernfs.go:286 +0x7e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Cgroup).decRef(0xc00b320a20)
	pkg/sentry/kernel/cgroup.go:121 +0x5c
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc000364230, {0x79b898, 0xc006a3f500}, 0xc004dad310)
	pkg/sentry/kernel/task_start.go:244 +0x159b
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc006a3f500?, {0x79b898, 0xc006a3f500}, 0xc004dad310)
	pkg/sentry/kernel/task_start.go:127 +0xeb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc006a3f500, 0xc004dad3f0)
	pkg/sentry/kernel/task_clone.go:219 +0x1e06
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x112c6f7?, 0x3d0f00, 0x7fc63cce92f0, 0x7fc63cce99d0, 0x7fc63cce99d0, 0x7fc63cce9700)
	pkg/sentry/syscalls/linux/sys_thread.go:217 +0x145
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc004dad578?, {{0x3d0f00}, {0x7fc63cce92f0}, {0x7fc63cce99d0}, {0x7fc63cce99d0}, {0x7fc63cce9700}, {0x7fc63cce9700}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006a3f500, 0x38, {{0x3d0f00}, {0x7fc63cce92f0}, {0x7fc63cce99d0}, {0x7fc63cce99d0}, {0x7fc63cce9700}, {0x7fc63cce9700}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006a3f500, 0x0?, {{0x3d0f00}, {0x7fc63cce92f0}, {0x7fc63cce99d0}, {0x7fc63cce99d0}, {0x7fc63cce9700}, {0x7fc63cce9700}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000e841e0?, 0xc003cc9860?, {{0x3d0f00}, {0x7fc63cce92f0}, {0x7fc63cce99d0}, {0x7fc63cce99d0}, {0x7fc63cce9700}, {0x7fc63cce9700}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006a3f500)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc006a3f500?, 0xc006a3f500)
	pkg/sentry/kernel/task_run.go:253 +0x1965
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006a3f500, 0x26f2)
	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