panic: WARNING: circular locking detected: kernel.taskSetRWMutex -> kernfs.filesystemRWMutex:
goroutine 3308465 [running]:
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).Lock(0xc001de0b90)
	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(0xc00af603f0, {0x79b3d0, 0xc00027e5a0})
	pkg/sentry/fsimpl/kernfs/kernfs.go:286 +0x7e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Cgroup).decRef(0xc00b62c900)
	pkg/sentry/kernel/cgroup.go:121 +0x5c
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc0004a41c0, {0x79b898, 0xc004fac000}, 0xc000b31310)
	pkg/sentry/kernel/task_start.go:244 +0x159b
gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc004fac000?, {0x79b898, 0xc004fac000}, 0xc000b31310)
	pkg/sentry/kernel/task_start.go:127 +0xeb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc004fac000, 0xc000b313f0)
	pkg/sentry/kernel/task_clone.go:219 +0x1e06
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x112c6f7?, 0x3d0f00, 0x7f74420892f0, 0x7f74420899d0, 0x7f74420899d0, 0x7f7442089700)
	pkg/sentry/syscalls/linux/sys_thread.go:217 +0x145
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000b31578?, {{0x3d0f00}, {0x7f74420892f0}, {0x7f74420899d0}, {0x7f74420899d0}, {0x7f7442089700}, {0x7f7442089700}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004fac000, 0x38, {{0x3d0f00}, {0x7f74420892f0}, {0x7f74420899d0}, {0x7f74420899d0}, {0x7f7442089700}, {0x7f7442089700}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004fac000, 0x0?, {{0x3d0f00}, {0x7f74420892f0}, {0x7f74420899d0}, {0x7f74420899d0}, {0x7f7442089700}, {0x7f7442089700}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000a5b500?, 0xc00d6396c0?, {{0x3d0f00}, {0x7f74420892f0}, {0x7f74420899d0}, {0x7f74420899d0}, {0x7f7442089700}, {0x7f7442089700}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004fac000)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004fac000?, 0xc004fac000)
	pkg/sentry/kernel/task_run.go:253 +0x1965
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004fac000, 0x9c49)
	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