Bug 311764

Summary: IPInt bounds check for nonzero memories only checks first byte of access
Product: WebKit Reporter: anand_srinivasan
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

anand_srinivasan
Reported 2026-04-08 15:15:02 PDT
rdar://174338638 The IPInt bounds check for memories other than 0 jumps to the out of bounds handler if address >= memory size when it should check if address + (size - 1) >= memory size
Attachments
anand_srinivasan
Comment 1 2026-04-08 15:45:50 PDT
EWS
Comment 2 2026-04-13 11:29:23 PDT
Committed 311123@main (39def582d5c1): <https://commits.webkit.org/311123@main> Reviewed commits have been landed. Closing PR #62307 and removing active labels.
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