[ https://issues.apache.org/jira/browse/HADOOP-10733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HADOOP-10733: ---------------------------- Description: {code} char[] newPassword1 = c.readPassword("Enter password: "); char[] newPassword2 = c.readPassword("Enter password again: "); noMatch = !Arrays.equals(newPassword1, newPassword2); if (noMatch) { Arrays.fill(newPassword1, ' '); {code} newPassword1 might be null, leading to NullPointerException in Arrays.fill() call. Similar issue for the following call on line 381: {code} Arrays.fill(newPassword2, ' '); {code} was: {code} char[] newPassword1 = c.readPassword("Enter password: "); char[] newPassword2 = c.readPassword("Enter password again: "); noMatch = !Arrays.equals(newPassword1, newPassword2); if (noMatch) { Arrays.fill(newPassword1, ' '); {code} newPassword1 might be null, leading to NullPointerException in Arrays.fill() call. > Potential null dereference in CredentialShell#promptForCredential() > ------------------------------------------------------------------- > > Key: HADOOP-10733 > URL: https://issues.apache.org/jira/browse/HADOOP-10733 > Project: Hadoop Common > Issue Type: Bug > Reporter: Ted Yu > Priority: Minor > > {code} > char[] newPassword1 = c.readPassword("Enter password: "); > char[] newPassword2 = c.readPassword("Enter password again: "); > noMatch = !Arrays.equals(newPassword1, newPassword2); > if (noMatch) { > Arrays.fill(newPassword1, ' '); > {code} > newPassword1 might be null, leading to NullPointerException in Arrays.fill() > call. > Similar issue for the following call on line 381: > {code} > Arrays.fill(newPassword2, ' '); > {code} -- This message was sent by Atlassian JIRA (v6.2#6252)