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https://issues.apache.org/jira/browse/YARN-7353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217698#comment-16217698
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Eric Yang commented on YARN-7353:
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[~vvasudev] Sure, I cherry-pick them to branch-3.0 and branch-2.
> Docker permitted volumes don't properly check for directories
> -------------------------------------------------------------
>
> Key: YARN-7353
> URL: https://issues.apache.org/jira/browse/YARN-7353
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Eric Badger
> Assignee: Eric Badger
> Fix For: 2.9.0, 3.0.0
>
> Attachments: YARN-7353.001.patch, YARN-7353.002.patch,
> YARN-7353.003.patch
>
>
> {noformat:title=docker-util.c:check_mount_permitted()}
> // directory check
> permitted_mount_len = strlen(permitted_mounts[i]);
> if (permitted_mount_len > 0
> && permitted_mounts[i][permitted_mount_len - 1] == '/') {
> if (strncmp(normalized_path, permitted_mounts[i], permitted_mount_len)
> == 0) {
> ret = 1;
> break;
> }
> }
> {noformat}
> This code will treat "/home/" as a directory, but not "/home"
> {noformat}
> [ FAILED ] 3 tests, listed below:
> [ FAILED ] TestDockerUtil.test_check_mount_permitted
> [ FAILED ] TestDockerUtil.test_normalize_mounts
> [ FAILED ] TestDockerUtil.test_add_rw_mounts
> {noformat}
> Additionally, YARN-6623 introduced new test failures in the C++
> container-executor test "cetest"
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