panic: Child "." for parent Dentry &{vfsd:{mu:{m:{Mutex:{state:0 sema:0}}} dead:false mounts:0 impl:0xc00029a2d0} refs:7 fs:0xc0001c4be0 flags:1 parent: name: cached:false dentryEntry:{next: prev:} dirMu:{m:{Mutex:{state:0 sema:0}}} children:map[bus:0xc00029a360] inode:0xc0001a4700} disappeared inside atomic section? goroutine 757 [running]: panic(0xfd1200, 0xc000168020) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc00064d560 sp=0xc00064d4a8 pc=0x437110 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).RenameAt(0xc0001c4be0, 0x132cca0, 0xc000715500, 0xc000141b00, 0xc000162720, 0xc00029a2d0, 0xc00046a302, 0x3, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:681 +0xdec fp=0xc00064d878 sp=0xc00064d560 pc=0x895acc gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).RenameAt(0xc0001c9308, 0x132cca0, 0xc000715500, 0xc00023d680, 0xc00064d9c8, 0xc00064da18, 0xc00064d9c0, 0xc000114240, 0xc0005a4000) pkg/sentry/vfs/vfs.go:530 +0x1e2 fp=0xc00064d920 sp=0xc00064d878 pc=0x7be5e2 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.renameat(0xc000715500, 0xffffff9c, 0x20000080, 0xffffff9c, 0x20000040, 0xc000000000, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:242 +0x325 fp=0xc00064daa8 sp=0xc00064d920 pc=0xd895e5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Rename(0xc000715500, 0x20000080, 0x20000040, 0x434a29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:198 +0x5b fp=0xc00064daf8 sp=0xc00064daa8 pc=0xd890db gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000715500, 0x52, 0x20000080, 0x20000040, 0x434a29, 0x0, 0x0, 0x0, 0xddaa37, 0x11ade20, ...) pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc00064dc58 sp=0xc00064daf8 pc=0x9d3a1c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000715500, 0x52, 0x20000080, 0x20000040, 0x434a29, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc00064dce0 sp=0xc00064dc58 pc=0x9d4be6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000715500, 0x52, 0x20000080, 0x20000040, 0x434a29, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc00064dd40 sp=0xc00064dce0 pc=0x9d4798 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000715500, 0x2, 0xc000715500) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc00064de10 sp=0xc00064dd40 pc=0x9d413c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000715500, 0x12fdb60, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc00064df60 sp=0xc00064de10 pc=0x9c8545 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000715500, 0x14) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00064dfd0 sp=0xc00064df60 pc=0x9c720f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00064dfd8 sp=0xc00064dfd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe