panic: Child "" for parent Dentry &{vfsd:{mu:{Mutex:{state:0 sema:0}} dead:false mounts:0 impl:0xc0007343f0} DentryRefs:{refCount:3} fs:0xc000648d80 flags:1 parent: name: dirMu:{Mutex:{state:0 sema:0}} children:map[33597:0xc00025e4d0 thread-self:0xc00111c1c0] inode:0xc000482a80} disappeared inside atomic section? goroutine 747651 [running]: panic(0x100cc20, 0xc00067a790) GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc000aa9618 sp=0xc000aa9560 pc=0x43438d gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).RenameAt(0xc000648d80, 0x14045a0, 0xc0011a6000, 0xc000c5d200, 0xc000242300, 0xc0007343f0, 0xc000dce406, 0xb, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:848 +0xf14 fp=0xc000aa9928 sp=0xc000aa9618 pc=0x808314 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).RenameAt(0xc0002f0188, 0x14045a0, 0xc0011a6000, 0xc000981320, 0xc00128ba78, 0xc00128bac8, 0xc00128ba70, 0xc00058e6c0, 0xc0001e4000) pkg/sentry/vfs/vfs.go:640 +0x256 fp=0xc000aa99d0 sp=0xc000aa9928 pc=0x71bab6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.renameat(0xc0011a6000, 0xffffffff, 0x20000100, 0xc000000004, 0x20000240, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:297 +0x370 fp=0xc000aa9b58 sp=0xc000aa99d0 pc=0xd43110 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Renameat(0xc0011a6000, 0xffffffffffffffff, 0x20000100, 0x4, 0x20000240, 0x0, 0x0, 0xc00128bc14, 0xdcf948, 0x65, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:252 +0x8f fp=0xc000aa9ba8 sp=0xc000aa9b58 pc=0xd42c6f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0011a6000, 0x108, 0xffffffffffffffff, 0x20000100, 0x4, 0x20000240, 0x0, 0x0, 0x0, 0x11f2b20, ...) pkg/sentry/kernel/task_syscall.go:117 +0x1b6 fp=0xc000aa9c68 sp=0xc000aa9ba8 pc=0x971a56 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0011a6000, 0x108, 0xffffffffffffffff, 0x20000100, 0x4, 0x20000240, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:292 +0x70 fp=0xc000aa9cf0 sp=0xc000aa9c68 pc=0x972d40 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0011a6000, 0x108, 0xffffffffffffffff, 0x20000100, 0x4, 0x20000240, 0x0, 0x0, 0x1, 0x100000000000008) pkg/sentry/kernel/task_syscall.go:239 +0xb4 fp=0xc000aa9d50 sp=0xc000aa9cf0 pc=0x9727f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0011a6000, 0x2, 0xc0011a6000) pkg/sentry/kernel/task_syscall.go:206 +0x198 fp=0xc000aa9e10 sp=0xc000aa9d50 pc=0x9720d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0011a6000, 0x13d2080, 0x0) pkg/sentry/kernel/task_run.go:321 +0xd88 fp=0xc000aa9f60 sp=0xc000aa9e10 pc=0x965068 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0011a6000, 0x833e) pkg/sentry/kernel/task_run.go:97 +0x1bd fp=0xc000aa9fd0 sp=0xc000aa9f60 pc=0x963bad runtime.goexit() src/runtime/asm_amd64.s:1373 +0x1 fp=0xc000aa9fd8 sp=0xc000aa9fd0 pc=0x467da1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:371 +0x112