Closed
Bug 1540273
Opened 5 years ago
Closed 5 years ago
fix undefined shift behavior in nsXPCWrappedJSClass
Categories
(Core :: XPConnect, enhancement)
Core
XPConnect
Tracking
()
RESOLVED
FIXED
mozilla68
| Tracking | Status | |
|---|---|---|
| firefox68 | --- | fixed |
People
(Reporter: froydnj, Assigned: froydnj)
Details
Attachments
(1 file)
No description provided.
|
Assignee | |
Comment 1•5 years ago
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Left shifts exhibit undefined behavior if the sign bit changes, which
would happen in this code for indices that are 31 mod 32. Fix this by
always making sure the shifted value is an unsigned integer.
Pushed by nfroyd@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/468f0646a149 fix undefined behavior in nsXPCWrappedJSClass; r=mccr8
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Comment 3•5 years ago
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| bugherder | ||
Status: NEW → RESOLVED
Closed: 5 years ago
status-firefox68:
--- → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla68
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Description
•