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AK: Don't crash in HashTable::clear_with_capacity on an empty table
When calling clear_with_capacity on an empty HashTable/HashMap, a null deref would occur when trying to memset() m_buckets. Checking that it has capacity before clearing fixes the issue.
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Notes:
sideshowbarker
2024-07-18 03:23:00 +09:00
Author: https://github.com/Zaggy1024
Commit: a1300d3797
Pull-request: https://github.com/SerenityOS/serenity/pull/16018
Reviewed-by: https://github.com/ADKaster ✅
2 changed files with 11 additions and 0 deletions
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@ -309,3 +309,12 @@ TEST_CASE(reinsertion)
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map.remove("__sak");
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map.set("__sak");
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}
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TEST_CASE(clear_with_capacity_when_empty)
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{
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HashTable<int> map;
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map.clear_with_capacity();
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map.set(0);
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map.set(1);
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VERIFY(map.size() == 2);
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}
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