bug #30350 [VarDumper] Keep a ref to objects to ensure their handle cannot be reused while cloning (nicolas-grekas)
This PR was merged into the 3.4 branch.
Discussion
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[VarDumper] Keep a ref to objects to ensure their handle cannot be reused while cloning
| Q | A
| ------------- | ---
| Branch? | 3.4
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | -
| License | MIT
| Doc PR | -
Fixes the root issue that led to https://github.com/symfony/symfony/pull/30311#issuecomment-466457434
Commits
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29a0683107
[VarDumper] Keep a ref to objects to ensure their handle cannot be reused while cloning
This commit is contained in:
commit
83fec23d61
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@ -33,6 +33,7 @@ class VarCloner extends AbstractCloner
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$indexedArrays = []; // Map of queue indexes that hold numerically indexed arrays
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$hardRefs = []; // Map of original zval hashes to stub objects
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$objRefs = []; // Map of original object handles to their stub object counterpart
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$objects = []; // Keep a ref to objects to ensure their handle cannot be reused while cloning
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$resRefs = []; // Map of original resource handles to their stub object counterpart
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$values = []; // Map of stub objects' hashes to original values
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$maxItems = $this->maxItems;
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@ -200,6 +201,7 @@ class VarCloner extends AbstractCloner
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}
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if (empty($objRefs[$h])) {
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$objRefs[$h] = $stub;
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$objects[] = $v;
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} else {
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$stub = $objRefs[$h];
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++$stub->refCount;
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