panic: WARNING: circular locking detected: vfs.virtualFilesystemMutex -> tmpfs.filesystemRWMutex: goroutine 952481 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).Lock(0xc0028c1720) 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(0xc0028c16b0, {0x793df8, 0xc008efca80}) 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(0xc0028c16b0, 0xc008d58e08) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/filesystem_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0xc0028c16b0, {0x793df8, 0xc008efca80}) pkg/sentry/vfs/filesystem.go:77 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc0091bc780, {0x793df8, 0xc008efca80}) pkg/sentry/vfs/mount.go:732 +0x1c5 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc0091bc780, {0x793df8, 0xc008efca80}) pkg/sentry/vfs/mount.go:716 +0x7a gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc0091bc780?, 0xc006d0c400?}, {0x793df8, 0xc008efca80}) pkg/sentry/vfs/vfs.go:927 +0x8c gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).connectMountAt(0xc0001fe1d0, {0x793df8, 0xc008efca80}, 0xc006d0c400?, {0xc0091bc780?, 0xc006d0c400?}) pkg/sentry/vfs/mount.go:303 +0x27e gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).ConnectMountAt(0xc0001fe1d0, {0x793df8?, 0xc008efca80}, 0x0?, 0xc00771f600?, 0x5?) pkg/sentry/vfs/mount.go:281 +0x3e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountAt(0xc000420900?, {0x793df8, 0xc008efca80}, 0xc00771f500?, {0xc00771f600, 0x5}, 0x0?, {0xc00771f700, 0x5}, 0xc008d59408) pkg/sentry/vfs/mount.go:429 +0x18e gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Mount(0xc008efca80, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_mount.go:134 +0x756 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008efca80, 0xa5, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9b9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008efca80, 0x0?, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc006dd3930?, 0xc0093f7ef0?, {{0x20000000}, {0x20000140}, {0x20000000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008efca80) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008efca80?, 0xc008efca80) pkg/sentry/kernel/task_run.go:253 +0x1965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008efca80, 0x9d57) 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