John Zhuge created HDFS-11100:
---------------------------------
Summary: Recursively deleting directory with file protected by
sticky bit should fail
Key: HDFS-11100
URL: https://issues.apache.org/jira/browse/HDFS-11100
Project: Hadoop HDFS
Issue Type: Bug
Components: fs
Affects Versions: 2.6.0
Reporter: John Zhuge
Assignee: John Zhuge
Priority: Critical
Recursively deleting a directory that contains files or directories protected
by sticky bit should fail but it doesn't in HDFS. In the case below,
{{/tmp/test/sticky_dir/f2}} is protected by sticky bit, thus recursive deleting
{{/tmp/test/sticky_dir}} should fail.
{noformat}
+ hdfs dfs -ls -R /tmp/test
drwxrwxrwt - jzhuge supergroup 0 2016-11-03 18:08
/tmp/test/sticky_dir
-rwxrwxrwx 1 jzhuge supergroup 0 2016-11-03 18:08
/tmp/test/sticky_dir/f2
+ sudo -u hadoop hdfs dfs -rm -skipTrash /tmp/test/sticky_dir/f2
rm: Permission denied by sticky bit: user=hadoop,
path="/tmp/test/sticky_dir/f2":jzhuge:supergroup:-rwxrwxrwx,
parent="/tmp/test/sticky_dir":jzhuge:supergroup:drwxrwxrwt
+ sudo -u hadoop hdfs dfs -rm -r -skipTrash /tmp/test/sticky_dir
Deleted /tmp/test/sticky_dir
{noformat}
Centos 6.4 behavior:
{noformat}
$ ls -lR /tmp/test
/tmp/test:
total 4
drwxrwxrwt 2 systest systest 4096 Nov 3 18:36 sbit
/tmp/test/sbit:
total 0
-rw-rw-rw- 1 systest systest 0 Nov 2 13:45 f2
$ sudo -u mapred rm -fr /tmp/test/sbit
rm: cannot remove `/tmp/test/sbit/f2': Operation not permitted
$ chmod -t /tmp/test/sbit
$ sudo -u mapred rm -fr /tmp/test/sbit
{noformat}
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