<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>172747</bug_id>
          
          <creation_ts>2017-05-31 05:16:36 -0700</creation_ts>
          <short_desc>CrashTracer: Regression : com.apple.WebKit.WebContent at STP responsible :: com.apple.WebCore: WebCore::SharedBuffer::data const + 11</short_desc>
          <delta_ts>2017-06-08 17:10:46 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Page Loading</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Antti Koivisto">koivisto</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>beidson</cc>
    
    <cc>buildbot</cc>
    
    <cc>cdumez</cc>
    
    <cc>commit-queue</cc>
    
    <cc>dbates</cc>
    
    <cc>japhet</cc>
    
    <cc>kling</cc>
    
    <cc>sam</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1314131</commentid>
    <comment_count>0</comment_count>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2017-05-31 05:16:36 -0700</bug_when>
    <thetext>8 WebCore: WebCore::SharedBuffer::data() const &lt;==
        8 WebCore: WebCore::matchIntegrityMetadata(WebCore::CachedResource const&amp;, WTF::String const&amp;)
          8 WebCore: WebCore::HTMLLinkElement::setCSSStyleSheet(WTF::String const&amp;, WebCore::URL const&amp;, WTF::String const&amp;, WebCore::CachedCSSStyleSheet const*)
            7 WebCore: WebCore::CachedCSSStyleSheet::checkNotify()
            | 7 WebCore: WebCore::CachedCSSStyleSheet::finishLoading(WebCore::SharedBuffer*)
            |   7 WebCore: WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&amp;)
            |     7 WebKit: WebKit::WebResourceLoader::didFinishResourceLoad(WebCore::NetworkLoadMetrics const&amp;)
            |       7 WebKit: void IPC::handleMessage&lt;Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&amp;)&gt;(IPC::Decoder&amp;, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&amp;))
            |         7 WebKit: IPC::Connection::dispatchMessage(std::__1::unique_ptr&lt;IPC::Decoder, std::__1::default_delete&lt;IPC::Decoder&gt; &gt;)
            |           7 WebKit: IPC::Connection::dispatchOneMessage()
            |             7 JavaScriptCore: WTF::RunLoop::performWork()</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314132</commentid>
    <comment_count>1</comment_count>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2017-05-31 05:17:02 -0700</bug_when>
    <thetext>&lt;rdar://problem/32275314&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314206</commentid>
    <comment_count>2</comment_count>
      <attachid>311607</attachid>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2017-05-31 10:35:06 -0700</bug_when>
    <thetext>Created attachment 311607
patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314215</commentid>
    <comment_count>3</comment_count>
      <attachid>311607</attachid>
    <who name="Andreas Kling">kling</who>
    <bug_when>2017-05-31 10:49:06 -0700</bug_when>
    <thetext>Comment on attachment 311607
patch

r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314246</commentid>
    <comment_count>4</comment_count>
      <attachid>311615</attachid>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2017-05-31 11:57:14 -0700</bug_when>
    <thetext>Created attachment 311615
patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314257</commentid>
    <comment_count>5</comment_count>
      <attachid>311615</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2017-05-31 12:11:27 -0700</bug_when>
    <thetext>Comment on attachment 311615
patch

Clearing flags on attachment: 311615

Committed r217616: &lt;http://trac.webkit.org/changeset/217616&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314258</commentid>
    <comment_count>6</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2017-05-31 12:11:30 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314361</commentid>
    <comment_count>7</comment_count>
      <attachid>311615</attachid>
    <who name="Sam Weinig">sam</who>
    <bug_when>2017-05-31 15:02:54 -0700</bug_when>
    <thetext>Comment on attachment 311615
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=311615&amp;action=review

&gt; Source/WebCore/loader/SubresourceIntegrity.cpp:190
&gt; +    const auto* sharedBuffer = resource.resourceBuffer();

Any reason not to just bail here (or maybe even at the top of the function?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1314455</commentid>
    <comment_count>8</comment_count>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2017-05-31 17:12:51 -0700</bug_when>
    <thetext>Empty body is a valid resource with a valid hash no?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1317137</commentid>
    <comment_count>9</comment_count>
    <who name="Sam Weinig">sam</who>
    <bug_when>2017-06-08 17:10:46 -0700</bug_when>
    <thetext>(In reply to Antti Koivisto from comment #8)
&gt; Empty body is a valid resource with a valid hash no?

Indeed. weinig--</thetext>
  </long_desc>
      
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            <date>2017-05-31 10:35:06 -0700</date>
            <delta_ts>2017-05-31 11:57:14 -0700</delta_ts>
            <desc>patch</desc>
            <filename>empty-stylesheet-intergrity-crash.patch</filename>
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            <attacher name="Antti Koivisto">koivisto</attacher>
            
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            <date>2017-05-31 11:57:14 -0700</date>
            <delta_ts>2017-05-31 12:11:27 -0700</delta_ts>
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            <filename>empty-stylesheet-intergrity-crash-2.patch</filename>
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            <attacher name="Antti Koivisto">koivisto</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>