panic: WARNING: circular locking detected: vfs.virtualFilesystemMutex -> tmpfs.filesystemRWMutex: goroutine 791640 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0xe0?) pkg/log/log.go:318 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0001c5e80, 0xc0001c4800, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc0001c5e80, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).Lock(0xc004843b70) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:18 +0x3f gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).Release(0xc004843b00, {0x1cb8e50, 0xc009a7ca80}) pkg/sentry/fsimpl/tmpfs/tmpfs.go:270 +0x85 gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef.func1() pkg/sentry/vfs/filesystem.go:81 +0x102 gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0xc004843b00, 0xc008706e70) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/filesystem_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0xc004843b00, {0x1cb8e50, 0xc009a7ca80}) pkg/sentry/vfs/filesystem.go:77 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc001d77e80, {0x1cb8e50, 0xc009a7ca80}) pkg/sentry/vfs/mount.go:907 +0x1be gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc001d77e80, {0x1cb8e50, 0xc009a7ca80}) pkg/sentry/vfs/mount.go:891 +0x79 gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc001d77e80?, 0xc0043fa000?}, {0x1cb8e50, 0xc009a7ca80}) pkg/sentry/vfs/vfs.go:927 +0x89 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).connectMountAt(0xc00051c1e8, {0x1cb8e50, 0xc009a7ca80}, 0xc0043fa000?, {0xc001d77e80?, 0xc0043fa000?}) pkg/sentry/vfs/mount.go:441 +0x270 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).ConnectMountAt(0xc00051c1e8, {0x1cb8e50, 0xc009a7ca80}, 0x0?, 0xc0077f2500?, 0x5?) pkg/sentry/vfs/mount.go:352 +0x17b gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountAt(0xc0002d2900?, {0x1cb8e50, 0xc009a7ca80}, 0xc0077f2400?, {0xc0077f2500, 0x5}, 0x0?, {0xc0077f2600, 0x5}, 0xc0087073d8) pkg/sentry/vfs/mount.go:596 +0x18e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Mount(0xc009a7ca80, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/mount.go:134 +0x754 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009a7ca80, 0xa5, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009a7ca80, 0x0?, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008b27ba0?, 0xc003dcc0f0?, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009a7ca80) pkg/sentry/kernel/task_syscall.go:257 +0x496 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc009a7ca80?, 0xc009a7ca80) pkg/sentry/kernel/task_run.go:253 +0x18f9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009a7ca80, 0x867b) pkg/sentry/kernel/task_run.go:94 +0x354 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:380 +0x1a8