[Webkit-unassigned] [Bug 231252] New: Speculative fix for a null pointer dereference in ByteCodeParser::handlePutByVal.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Oct 5 14:06:20 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=231252

            Bug ID: 231252
           Summary: Speculative fix for a null pointer dereference in
                    ByteCodeParser::handlePutByVal.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

We're seeing a null pointer dereference in ByteCodeParser::handlePutByVal().  Adding a null check here as a speculative fix to mitigate crashes while we investigate further.

rdar://83310320

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