<?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>114178</bug_id>
          
          <creation_ts>2013-04-08 11:02:10 -0700</creation_ts>
          <short_desc>Crashes in WebSocketChannel::processFrame when processing a ping</short_desc>
          <delta_ts>2013-04-08 14:34:47 -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>WebCore Misc.</component>
          <version>528+ (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="Alexey Proskuryakov">ap</reporter>
          <assigned_to name="Alexey Proskuryakov">ap</assigned_to>
          <cc>toyoshim</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>870891</commentid>
    <comment_count>0</comment_count>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2013-04-08 11:02:10 -0700</bug_when>
    <thetext>We&apos;re seeing a number of crashes in WebSocketChannel::processFrame when processing a ping. I could never reproduce that, but I have a theory about why this happens.

&lt;rdar://problem/12834449&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>870930</commentid>
    <comment_count>1</comment_count>
      <attachid>196874</attachid>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2013-04-08 11:09:50 -0700</bug_when>
    <thetext>Created attachment 196874
proposed fix</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>870960</commentid>
    <comment_count>2</comment_count>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2013-04-08 11:15:59 -0700</bug_when>
    <thetext>Committed &lt;http://trac.webkit.org/changeset/147938&gt;.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>196874</attachid>
            <date>2013-04-08 11:09:50 -0700</date>
            <delta_ts>2013-04-08 11:13:03 -0700</delta_ts>
            <desc>proposed fix</desc>
            <filename>WebSocketCrash.txt</filename>
            <type>text/plain</type>
            <size>4915</size>
            <attacher name="Alexey Proskuryakov">ap</attacher>
            
              <data encoding="base64">SW5kZXg6IFNvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09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</data>
<flag name="review"
          id="219054"
          type_id="1"
          status="+"
          setter="beidson"
    />
          </attachment>
      

    </bug>

</bugzilla>