gvisor: return ENOTDIR from the unlink syscall

ENOTDIR has to be returned when a component used as a directory in
pathname is not, in  fact,  a directory.

PiperOrigin-RevId: 269037893

1 files changed, 1 insertions, 4 deletions

diff --git a/pkg/sentry/syscalls/linux/sys_file.go b/pkg/sentry/syscalls/linux/sys_file.go
index 2e00a91ce..b9a8e3e21 100644
--- a/pkg/sentry/syscalls/linux/sys_file.go
+++ b/pkg/sentry/syscalls/linux/sys_file.go
@@ -1423,9 +1423,6 @@ func unlinkAt(t *kernel.Task, dirFD int32, addr usermem.Addr) error {
 	if err != nil {
 		return err
 	}
-	if dirPath {
-		return syserror.ENOENT
-	}
 
 	return fileOpAt(t, dirFD, path, func(root *fs.Dirent, d *fs.Dirent, name string, _ uint) error {
 		if !fs.IsDir(d.Inode.StableAttr) {
@@ -1436,7 +1433,7 @@ func unlinkAt(t *kernel.Task, dirFD int32, addr usermem.Addr) error {
 			return err
 		}
 
-		return d.Remove(t, root, name)
+		return d.Remove(t, root, name, dirPath)
 	})
 }