Closed
Bug 1751233
Opened 3 years ago
Closed 3 years ago
Concurrent releases of CompilationStencil could yield to double-free
Categories
(Core :: JavaScript Engine, defect, P1)
Core
JavaScript Engine
Tracking
()
RESOLVED
FIXED
98 Branch
| Tracking | Status | |
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| firefox98 | --- | fixed |
People
(Reporter: nbp, Assigned: nbp)
References
(Blocks 1 open bug)
Details
Attachments
(1 file)
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(deleted),
text/x-phabricator-request
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Details |
The way Stencils reference count is decremented could yield to an unlikely double free.
We should use the decremented value, instead of reloading the value after decrementing.
I do not think this is could be a security issue prior the introduction of off-thread delazification.
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Assignee | |
Comment 1•3 years ago
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Updated•3 years ago
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Severity: -- → S3
Priority: -- → P1
Pushed by npierron@mozilla.com:
https://hg.mozilla.org/integration/autoland/rev/fca6b7c1a5be
Decrement & Compare when releasing stencils. r=arai
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Comment 3•3 years ago
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| bugherder | ||
Status: ASSIGNED → RESOLVED
Closed: 3 years ago
status-firefox98:
--- → fixed
Resolution: --- → FIXED
Target Milestone: --- → 98 Branch
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Description
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