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Cherry-pick #24515 to 7.12: [Auditbeat] btmp offset check#24550

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leehinman merged 2 commits intoelastic:7.12from
leehinman:backport_24515_7.12
Mar 16, 2021
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Cherry-pick #24515 to 7.12: [Auditbeat] btmp offset check#24550
leehinman merged 2 commits intoelastic:7.12from
leehinman:backport_24515_7.12

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@leehinman leehinman commented Mar 15, 2021

Cherry-pick of PR #24515 to 7.12 branch. Original message:

What does this PR do?

Adds check that saved offset is not larger than the current file size.

Why is it important?

This prevents seeking past the end of the file.

Checklist

  • My code follows the style guidelines of this project
  • I have commented my code, particularly in hard-to-understand areas
    - [ ] I have made corresponding changes to the documentation
    - [ ] I have made corresponding change to the default configuration files
    - [ ] I have added tests that prove my fix is effective or that my feature works
  • I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Related issues

Logs

Bug report contained logs like:

  2021-03-01T10:58:05.161+0100	DEBUG	[login]	login/utmp.go:204	Reading file /var/log/btmp (utmpFile={Inode:1704287 Path:/var/log/btmp Size:1536 Offset:10752 Type:1})

* auditbeat btmp offset check

Add check that saved offset is not larger than the current file size
to prevent seeking past the end of file

(cherry picked from commit b03a935)
@leehinman leehinman requested a review from a team as a code owner March 15, 2021 17:54
@botelastic botelastic Bot added the needs_team Indicates that the issue/PR needs a Team:* label label Mar 15, 2021
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Pinging @elastic/security-external-integrations (Team:Security-External Integrations)

@botelastic botelastic Bot removed the needs_team Indicates that the issue/PR needs a Team:* label label Mar 15, 2021
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elasticmachine commented Mar 15, 2021

💚 Build Succeeded

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  • Build Cause: Pull request #24550 updated

  • Start Time: 2021-03-16T14:55:44.502+0000

  • Duration: 30 min 12 sec

  • Commit: 553e0e7

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Passed 337
Skipped 145
Total 482

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Passed 337
Skipped 145
Total 482

@leehinman leehinman merged commit 2b6fbaa into elastic:7.12 Mar 16, 2021
@leehinman leehinman deleted the backport_24515_7.12 branch March 16, 2021 15:27
@zube zube Bot removed the [zube]: Done label Jun 15, 2021
leweafan pushed a commit to leweafan/beats that referenced this pull request Apr 28, 2023
* auditbeat btmp offset check

Add check that saved offset is not larger than the current file size
to prevent seeking past the end of file

(cherry picked from commit 920fd38)
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3 participants