panic: Child "." for parent Dentry &{vfsd:{mu:{m:{Mutex:{state:0 sema:0}}} dead:false mounts:0 impl:0xc0023a7dd0} refs:7 fs:0xc001d9c640 flags:1 parent: name: cached:false dentryEntry:{next: prev:} dirMu:{m:{Mutex:{state:0 sema:0}}} children:map[bus:0xc009cb6090] inode:0xc009e88000} disappeared inside atomic section? goroutine 755278 [running]: panic(0x10ba5a0, 0xc002b63720) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000e9d600 sp=0xc000e9d548 pc=0x437110 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).RenameAt(0xc001d9c640, 0x1433f60, 0xc005f88a80, 0xc009cbc000, 0xc006e05e60, 0xc0023a7dd0, 0xc006e0e102, 0x3, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:905 +0xf2a fp=0xc000e9d910 sp=0xc000e9d600 pc=0x8ef58a gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).RenameAt(0xc0001ff088, 0x1433f60, 0xc005f88a80, 0xc005df5b60, 0xc000e9da60, 0xc000e9dab0, 0xc000e9da58, 0xc0000b81e0, 0xc00061a000) pkg/sentry/vfs/vfs.go:660 +0x25f fp=0xc000e9d9b8 sp=0xc000e9d910 pc=0x7f74ff gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.renameat(0xc005f88a80, 0xffffff9c, 0x200002c0, 0xffffff9c, 0x20000000, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:296 +0x37c fp=0xc000e9db40 sp=0xc000e9d9b8 pc=0xe5e3bc gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Rename(0xc005f88a80, 0x200002c0, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:241 +0x79 fp=0xc000e9db90 sp=0xc000e9db40 pc=0xe5de19 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005f88a80, 0x52, 0x200002c0, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0xc00005f000, 0x12986c0, ...) pkg/sentry/kernel/task_syscall.go:116 +0x1b9 fp=0xc000e9dc50 sp=0xc000e9db90 pc=0xa4f499 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005f88a80, 0x52, 0x200002c0, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:291 +0x70 fp=0xc000e9dcd8 sp=0xc000e9dc50 pc=0xa50750 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005f88a80, 0x52, 0x200002c0, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc000e9dd38 sp=0xc000e9dcd8 pc=0xa50254 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005f88a80, 0x2, 0xc005f88a80) pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc000e9de08 sp=0xc000e9dd38 pc=0xa4fb38 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc005f88a80, 0x1404d80, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc000e9df60 sp=0xc000e9de08 pc=0xa425f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005f88a80, 0x2d03) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc000e9dfd0 sp=0xc000e9df60 pc=0xa41102 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000e9dfd8 sp=0xc000e9dfd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:374 +0x116