[Webkit-unassigned] [Bug 110885] New: REGRESSION(r143986?): fast/files/revoke-blob-url.html asserts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110885

           Summary: REGRESSION(r143986?): fast/files/revoke-blob-url.html
                    asserts
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: koivisto at iki.fi
                CC: jeffrey at endrift.com


For example http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK1%20(Tests)/r144053%20(5868)/fast/files/revoke-blob-url-crash-log.txt

This seems to have started with http://trac.webkit.org/changeset/143986 .

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x000000010b3e0f9f WebCore::checkEncodedString(WTF::String const&) + 191 (KURL.cpp:313)
1   com.apple.WebCore                 0x000000010b3dbe9a WebCore::KURL::parse(WTF::String const&) + 42 (KURL.cpp:980)
2   com.apple.WebCore                 0x000000010b3dbe10 WebCore::KURL::KURL(WebCore::ParsedURLStringTag, WTF::String const&) + 48 (KURL.cpp:340)
3   com.apple.WebCore                 0x000000010b3dbdd3 WebCore::KURL::KURL(WebCore::ParsedURLStringTag, WTF::String const&) + 35 (KURL.cpp:341)
4   com.apple.WebCore                 0x000000010a82a0e6 WebCore::ResourceRequest::ResourceRequest(WTF::String const&) + 54 (ResourceRequest.h:49)
5   com.apple.WebCore                 0x000000010a82a09d WebCore::ResourceRequest::ResourceRequest(WTF::String const&) + 29 (ResourceRequest.h:50)

static inline void checkEncodedString(const String& url)
{
    ASSERT_UNUSED(url, url.containsOnlyASCII());
    ASSERT_UNUSED(url, url.isEmpty() || isSchemeFirstChar(url[0])); <== this one
}

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