panic: WARNING: circular locking detected: vfs.virtualFilesystemMutex -> tmpfs.filesystemRWMutex: goroutine 4234351 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).Lock(0xc00043d040) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:31 +0x45 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).Release(0xc00043cfd0, {0x78cc78, 0xc009f2ea80}) pkg/sentry/fsimpl/tmpfs/tmpfs.go:283 +0x87 gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef.func1() pkg/sentry/vfs/filesystem.go:81 +0x108 gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0xc00043cfd0, 0xc004adce08) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/filesystem_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0xc00043cfd0, {0x78cc78, 0xc009f2ea80}) pkg/sentry/vfs/filesystem.go:77 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc006a76000, {0x78cc78, 0xc009f2ea80}) pkg/sentry/vfs/mount.go:732 +0x1c5 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc006a76000, {0x78cc78, 0xc009f2ea80}) pkg/sentry/vfs/mount.go:716 +0x7a gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc006a76000?, 0xc00b727800?}, {0x78cc78, 0xc009f2ea80}) pkg/sentry/vfs/vfs.go:927 +0x8c gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).connectMountAt(0xc0003347d0, {0x78cc78, 0xc009f2ea80}, 0xc00b727800?, {0xc006a76000?, 0xc00b727800?}) pkg/sentry/vfs/mount.go:303 +0x27e gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).ConnectMountAt(0xc0003347d0, {0x78cc78?, 0xc009f2ea80}, 0x0?, 0xc00ae1f800?, 0x5?) pkg/sentry/vfs/mount.go:281 +0x3e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountAt(0xc000409b00?, {0x78cc78, 0xc009f2ea80}, 0xc00ae1f700?, {0xc00ae1f800, 0x5}, 0x0?, {0xc00ae1f900, 0x5}, 0xc004add408) pkg/sentry/vfs/mount.go:429 +0x18e gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Mount(0xc009f2ea80, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_mount.go:134 +0x756 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009f2ea80, 0xa5, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9b9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009f2ea80, 0x0?, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0016df520?, 0xc0005a31d0?, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009f2ea80) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc009f2ea80?, 0xc009f2ea80) pkg/sentry/kernel/task_run.go:253 +0x1965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009f2ea80, 0x7a8c) pkg/sentry/kernel/task_run.go:94 +0x3a2 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1ad