[HDFS-13738] fsck -list-corruptfileblocks has infinite loop if user is not privileged.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.0, 3.0.0
• Fix Version/s: 3.2.0, 3.0.4, 3.1.2
• Component/s: tools

Environment

Kerberized Hadoop cluster

• Target Version/s: 3.2.0, 3.1.1, 3.0.4
• Assignee: Yuen-Kuei Hsueh
• Reporter: Wei-Chiu Chuang
• Created: 16/Jul/18 23:04
• Updated: 02/Oct/19 17:15
• Resolved: 14/Aug/18 00:38

Description

Found an interesting bug.
Execute following command as any non-privileged user:

# run fsck
$ hdfs fsck / -list-corruptfileblocks

FSCK ended at Mon Jul 16 15:14:03 PDT 2018 in 1 milliseconds
Access denied for user systest. Superuser privilege is required
Fsck on path '/' FAILED
FSCK ended at Mon Jul 16 15:14:03 PDT 2018 in 0 milliseconds
Access denied for user systest. Superuser privilege is required
Fsck on path '/' FAILED
FSCK ended at Mon Jul 16 15:14:03 PDT 2018 in 1 milliseconds
Access denied for user systest. Superuser privilege is required
Fsck on path '/' FAILED

Reproducible on Hadoop 3.0.0 as well as 2.6.0