Handle empty array inputs carefully, to avoid undefined behavior #314
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Codecov Report
@@ Coverage Diff @@
## mainline #314 +/- ##
==============================================
- Coverage 85.15% 85.12% -0.03%
Complexity 46 46
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Files 108 108
Lines 8264 8270 +6
Branches 471 471
==============================================
+ Hits 7037 7040 +3
- Misses 1202 1205 +3
Partials 25 25
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This was referenced Jan 13, 2022
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The 2.2.0 version of Treelite incorporates the following major improvements: * dmlc/treelite#314 * dmlc/treelite#322, dmlc/treelite#327 * dmlc/treelite#325 * dmlc/treelite#332 * dmlc/treelite#330 * dmlc/treelite#333 * dmlc/treelite#334 * dmlc/treelite#304 * dmlc/treelite#335 In particular, dmlc/treelite#332, dmlc/treelite#330, dmlc/treelite#333 are required for #4447. Requires rapidsai/integration#412. EDIT. Using 2.2.1 patch release, to incorporate a hotfix (dmlc/treelite#340). Authors: - Philip Hyunsu Cho (https://github.com/hcho3) Approvers: - AJ Schmidt (https://github.com/ajschmidt8) - Dante Gama Dessavre (https://github.com/dantegd) URL: #4484
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The 2.2.0 version of Treelite incorporates the following major improvements: * dmlc/treelite#314 * dmlc/treelite#322, dmlc/treelite#327 * dmlc/treelite#325 * dmlc/treelite#332 * dmlc/treelite#330 * dmlc/treelite#333 * dmlc/treelite#334 * dmlc/treelite#304 * dmlc/treelite#335 In particular, dmlc/treelite#332, dmlc/treelite#330, dmlc/treelite#333 are required for rapidsai#4447. Requires rapidsai/integration#412. EDIT. Using 2.2.1 patch release, to incorporate a hotfix (dmlc/treelite#340). Authors: - Philip Hyunsu Cho (https://github.com/hcho3) Approvers: - AJ Schmidt (https://github.com/ajschmidt8) - Dante Gama Dessavre (https://github.com/dantegd) URL: rapidsai#4484
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Undefined behavior was detected by memory sanitizer. When (de)serializing empty arrays, Treelite calls
std::fwrite/std::fread/std::memcpywithnullptras the first argument. We must check for zero size prior to calling these functions.I will follow up with another PR to add option to build with sanitizer.