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Fix nil pointer deref in distribution tax/rewward validation helpers #5620

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merged 7 commits into from
Feb 7, 2020

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alessio
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@alessio alessio commented Feb 6, 2020

Before checking Dec's value, one has to ensure the internal big.Int
pointer is not nil first.

Closes: #5621


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@alessio alessio force-pushed the alessio/distr-fix-decimals-validation branch from dce0d0a to a9e9af7 Compare February 6, 2020 17:17
@alessio alessio marked this pull request as ready for review February 6, 2020 17:17
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Can you allude to when an Int or Dec would be Nil? This should never be the case.

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Please reference the issue in the PR body @alessio

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ACK

Before checking Dec's value, one has to ensure the internal big.Int
pointer is not nil first.

Closes: #5621
@alessio alessio force-pushed the alessio/distr-fix-decimals-validation branch from bb967ad to 4d69262 Compare February 7, 2020 06:58
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alessio commented Feb 7, 2020

@alexanderbez @jackzampolin please have another look

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@alessio please address the scope linting errors in the tests.

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ACK

@alexanderbez alexanderbez merged commit 6cbf634 into master Feb 7, 2020
@alexanderbez alexanderbez deleted the alessio/distr-fix-decimals-validation branch February 7, 2020 18:09
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codecov bot commented Feb 7, 2020

Codecov Report

Merging #5620 into master will increase coverage by <.01%.
The diff coverage is n/a.

Impacted file tree graph

@@            Coverage Diff             @@
##           master    #5620      +/-   ##
==========================================
+ Coverage   44.63%   44.64%   +<.01%     
==========================================
  Files         324      324              
  Lines       24707    24707              
==========================================
+ Hits        11029    11031       +2     
+ Misses      12618    12616       -2     
  Partials     1060     1060
Impacted Files Coverage Δ
x/mock/app.go 66.46% <0%> (+1.21%) ⬆️

@alessio alessio mentioned this pull request Mar 20, 2020
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alexanderbez pushed a commit that referenced this pull request Mar 24, 2020
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Potential nil pointer dereference in x/distribution
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