[Webkit-unassigned] [Bug 126975] New: [XHR] Abort method execution when m_loader->cancel() in internalAbort() caused reentry

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=126975

           Summary: [XHR] Abort method execution when m_loader->cancel()
                    in internalAbort() caused reentry
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: BlinkMergeCandidate
          Severity: Normal
          Priority: P2
         Component: XML
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: youennf at gmail.com


Consider merging https://chromium.googlesource.com/chromium/blink/+/0d75daf2053631518606ae15daaece701a25b2c4

Calling cancel() on DocumentThreadableLoader may results in calling
window.onload synchronously. If open(), send(), etc. are called on the same
XMLHttpRequest object, it'll be hard to resolve conflict of states without
losing spec conformance. This CL avoids that by just aborting execution of
code for the outer method that calls internalAbort() if it returns false.

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