Possible undefined behavior for bit shift in citus_stat_tenants.c

[manaldush]

Add check for shift size, reset to zero in case of overflow

Fix #7953

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 48.95%. Comparing base (a7e686c) to head (023abd2). Report is 3 commits behind head on main.

:x: Your patch check has failed because the patch coverage (0.00%) is below the target coverage (75.00%). You can increase the patch coverage or adjust the target coverage. :x: Your project check has failed because the head coverage (48.95%) is below the target coverage (87.50%). You can increase the head coverage or adjust the target coverage.

:exclamation: There is a different number of reports uploaded between BASE (a7e686c) and HEAD (023abd2). Click for more details.

HEAD has 81 uploads less than BASE

Flag	BASE (a7e686c)	HEAD (023abd2)
16_17_upgrade	1	0
15_16_upgrade	1	0
15_17_upgrade	1	0
16_regress_check-follower-cluster	1	0
15_regress_check-columnar-isolation	1	0
17_regress_check-columnar-isolation	1	0
16_regress_check-columnar-isolation	1	0
15_regress_check-pytest	1	0
17_regress_check-pytest	1	0
15_citus_upgrade	1	0
16_regress_check-pytest	1	0
15_regress_check-columnar	1	0
17_regress_check-follower-cluster	1	0
15_regress_check-enterprise-isolation-logicalrep-3	1	0
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16_regress_check-enterprise-isolation-logicalrep-3	1	0
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17_regress_check-enterprise-isolation-logicalrep-2	1	0
16_regress_check-enterprise-failure	1	0
17_regress_check-enterprise-failure	1	0
16_regress_check-enterprise-isolation-logicalrep-2	1	0
15_regress_check-enterprise-failure	1	0
17_regress_check-enterprise-isolation-logicalrep-3	1	0
17_regress_check-split	1	0
15_regress_check-follower-cluster	1	0
16_regress_check-split	1	0
15_regress_check-query-generator	1	0
16_regress_check-query-generator	1	0
15_regress_check-split	1	0
16_regress_check-vanilla	1	0
17_regress_check-enterprise	1	0
16_regress_check-enterprise	1	0
15_regress_check-enterprise-isolation	1	0
15_regress_check-enterprise	1	0
17_regress_check-vanilla	1	0
16_regress_check-enterprise-isolation	1	0
15_regress_check-vanilla	1	0
16_cdc_installcheck	1	0
17_cdc_installcheck	1	0
17_arbitrary_configs_3	1	0
16_regress_check-operations	1	0
17_regress_check-operations	1	0
15_regress_check-operations	1	0
16_arbitrary_configs_5	1	0
17_regress_check-isolation	1	0
16_regress_check-isolation	1	0
15_regress_check-isolation	1	0
15_cdc_installcheck	1	0
17_arbitrary_configs_2	1	0
17_regress_check-multi	1	0
15_regress_check-multi	1	0
16_regress_check-multi	1	0
16_arbitrary_configs_4	1	0
17_arbitrary_configs_5	1	0
15_arbitrary_configs_5	1	0
15_arbitrary_configs_2	1	0
16_arbitrary_configs_2	1	0
15_arbitrary_configs_4	1	0
16_regress_check-multi-1	1	0
17_regress_check-multi-1	1	0
16_arbitrary_configs_0	1	0
15_arbitrary_configs_3	1	0
17_arbitrary_configs_4	1	0
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15_regress_check-multi-1	1	0
17_arbitrary_configs_1	1	0
17_regress_check-failure	1	0
15_regress_check-failure	1	0
16_regress_check-enterprise-isolation-logicalrep-1	1	0
17_regress_check-enterprise-isolation-logicalrep-1	1	0
16_regress_check-failure	1	0
17_regress_check-enterprise-isolation	1	0
16_regress_check-multi-mx	1	0
15_regress_check-enterprise-isolation-logicalrep-1	1	0
15_regress_check-multi-mx	1	0
15_arbitrary_configs_1	1	0
17_regress_check-query-generator	1	0
17_regress_check-multi-mx	1	0
16_arbitrary_configs_3	1	0
17_arbitrary_configs_0	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #7954       +/-   ##
===========================================
- Coverage   89.18%   48.95%   -40.23%     
===========================================
  Files         283      283               
  Lines       61023    59752     -1271     
  Branches     7618     7339      -279     
===========================================
- Hits        54422    29254    -25168     
- Misses       4416    27873    +23457     
- Partials     2185     2625      +440     

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[onurctirtir]

Thanks for the contribution!