store: fix goleak for syscall

[hawkingrei]

What problem does this PR solve?

Issue Number: close #50141

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[codecov]

Codecov Report

Merging #50142 (c846e3b) into master (c334685) will increase coverage by 2.6914%.
Report is 2 commits behind head on master.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #50142        +/-   ##
================================================
+ Coverage   79.3138%   82.0053%   +2.6914%     
================================================
  Files          2445       2447         +2     
  Lines        673615     674350       +735     
================================================
+ Hits         534270     553003     +18733     
+ Misses       117962     100593     -17369     
+ Partials      21383      20754       -629     

Flag	Coverage Δ
integration	48.9022% <ø> (?)
unit	79.3446% <100.0000%> (+0.0307%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	73.6130% <ø> (ø)
parser	∅ <ø> (∅)
br	71.8855% <ø> (+3.3882%)	⬆️

[GMHDBJD]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: GMHDBJD, lance6716

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-01-05 11:52:14.690671372 +0000 UTC m=+12124.274925055: ☑️ agreed by lance6716.
• 2024-01-05 13:02:58.685581096 +0000 UTC m=+16368.269834781: ☑️ agreed by GMHDBJD.

[GMHDBJD]

/retest

[GMHDBJD]

/check-issue-triage-complete

[hawkingrei]

/check-issue-triage-complete

[tiprow]

@hawkingrei: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
tiprow_fast_test	c846e3b	link	true	/test tiprow_fast_test

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