Fix divide by zero panic

Signed-off-by: Adam Korczynski <adam@adalogics.com>
lima-vm · Aug 7, 2024 · 6b32908 · 6b32908
1 parent f06394e
commit 6b32908
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/image/qcow2/qcow2.go b/image/qcow2/qcow2.go
@@ -896,6 +896,10 @@ func (img *Qcow2) ReadAt(p []byte, off int64) (n int, err error) {
 		err = img.errUnreadable
 		return
 	}
+	if img.clusterSize == 0 {
+		err = errors.New("cluster size cannot be 0")
+		return
+	}
 	if len(p) == 0 {
 		return
 	}