Bug 254035

Summary:	Fix undefined behavior in pas_bitvector.h's PAS_BITVECTOR_BIT_MASK()
Product:	WebKit	Reporter:	Chris Dumez <cdumez>
Component:	bmalloc	Assignee:	Chris Dumez <cdumez>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	ggaren, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Chris Dumez

Reported 2023-03-16 10:33:00 PDT

Fix undefined behavior in pas_bitvector.h's PAS_BITVECTOR_BIT_MASK(): /Volumes/Work/WebKit/OpenSource/Source/bmalloc/libpas/src/libpas/pas_bitvector.h:97:24: runtime error: left shift of 1 by 31 places cannot be represented in type 'int' SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Volumes/Work/WebKit/OpenSource/Source/bmalloc/libpas/src/libpas/pas_bitvector.h:97:24 in

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Chris Dumez

Comment 1 2023-03-16 10:36:20 PDT

Pull request: https://github.com/WebKit/WebKit/pull/11613

EWS

Comment 2 2023-03-16 13:26:31 PDT

Committed 261764@main (0d4acd6a56aa): <https://commits.webkit.org/261764@main> Reviewed commits have been landed. Closing PR #11613 and removing active labels.

Radar WebKit Bug Importer

Comment 3 2023-03-16 13:27:16 PDT

<rdar://problem/106823872>

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