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authorgVisor bot <gvisor-bot@google.com>2019-09-14 04:47:07 +0000
committergVisor bot <gvisor-bot@google.com>2019-09-14 04:47:07 +0000
commitc0e0b502737cb57e9b6bbd5a3fe665970360f9f8 (patch)
treefc68bf2e797e576ec40f855cae5d20f1e27eb679 /pkg/sentry
parentf718bf54abb46b65c4000497b3f24a628c5fb7ea (diff)
parent239a07aabfad8991556b43c85c30270d09353f86 (diff)
Merge release-20190806.1-145-g239a07a (automated)
Diffstat (limited to 'pkg/sentry')
-rw-r--r--pkg/sentry/fs/dirent.go4
-rw-r--r--pkg/sentry/syscalls/linux/sys_file.go5
2 files changed, 4 insertions, 5 deletions
diff --git a/pkg/sentry/fs/dirent.go b/pkg/sentry/fs/dirent.go
index fbca06761..3cb73bd78 100644
--- a/pkg/sentry/fs/dirent.go
+++ b/pkg/sentry/fs/dirent.go
@@ -1126,7 +1126,7 @@ func (d *Dirent) unmount(ctx context.Context, replacement *Dirent) error {
// Remove removes the given file or symlink. The root dirent is used to
// resolve name, and must not be nil.
-func (d *Dirent) Remove(ctx context.Context, root *Dirent, name string) error {
+func (d *Dirent) Remove(ctx context.Context, root *Dirent, name string, dirPath bool) error {
// Check the root.
if root == nil {
panic("Dirent.Remove: root must not be nil")
@@ -1151,6 +1151,8 @@ func (d *Dirent) Remove(ctx context.Context, root *Dirent, name string) error {
// Remove cannot remove directories.
if IsDir(child.Inode.StableAttr) {
return syscall.EISDIR
+ } else if dirPath {
+ return syscall.ENOTDIR
}
// Remove cannot remove a mount point.
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)
})
}