<?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>187690</bug_id>
          
          <creation_ts>2018-07-15 19:27:27 -0700</creation_ts>
          <short_desc>[iOS apps on macOS] Playing embedded Twitter videos in the News app crashes the web process</short_desc>
          <delta_ts>2018-07-17 15:48:24 -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>Media</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="Wenson Hsieh">wenson_hsieh</reporter>
          <assigned_to name="Wenson Hsieh">wenson_hsieh</assigned_to>
          <cc>ap</cc>
    
    <cc>bdakin</cc>
    
    <cc>commit-queue</cc>
    
    <cc>eric.carlson</cc>
    
    <cc>jer.noble</cc>
    
    <cc>thorton</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1442315</commentid>
    <comment_count>0</comment_count>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2018-07-15 19:27:27 -0700</bug_when>
    <thetext>&lt;rdar://problem/41869703&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442316</commentid>
    <comment_count>1</comment_count>
      <attachid>345073</attachid>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2018-07-15 19:52:04 -0700</bug_when>
    <thetext>Created attachment 345073
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442319</commentid>
    <comment_count>2</comment_count>
      <attachid>345075</attachid>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2018-07-15 20:15:04 -0700</bug_when>
    <thetext>Created attachment 345075
ChangeLog tweak</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442325</commentid>
    <comment_count>3</comment_count>
      <attachid>345075</attachid>
    <who name="Tim Horton">thorton</who>
    <bug_when>2018-07-15 21:51:46 -0700</bug_when>
    <thetext>Comment on attachment 345075
ChangeLog tweak

Ha! This makes so much sense.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442326</commentid>
    <comment_count>4</comment_count>
      <attachid>345075</attachid>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2018-07-15 21:53:03 -0700</bug_when>
    <thetext>Comment on attachment 345075
ChangeLog tweak

Thanks for the review!</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442327</commentid>
    <comment_count>5</comment_count>
      <attachid>345075</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2018-07-15 22:19:49 -0700</bug_when>
    <thetext>Comment on attachment 345075
ChangeLog tweak

Clearing flags on attachment: 345075

Committed r233841: &lt;https://trac.webkit.org/changeset/233841&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442328</commentid>
    <comment_count>6</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2018-07-15 22:19:51 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442816</commentid>
    <comment_count>7</comment_count>
      <attachid>345075</attachid>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2018-07-17 15:46:01 -0700</bug_when>
    <thetext>Comment on attachment 345075
ChangeLog tweak

View in context: https://bugs.webkit.org/attachment.cgi?id=345075&amp;action=review

&gt; Source/WebCore/platform/graphics/avfoundation/objc/AVFoundationMIMETypeCache.mm:97
&gt; +#if PLATFORM(IOSMAC)

Why does the same issue not impact other configurations? It seems fragile that the only do the safe thing on IOSMAC.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1442821</commentid>
    <comment_count>8</comment_count>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2018-07-17 15:48:24 -0700</bug_when>
    <thetext>(In reply to Alexey Proskuryakov from comment #7)
&gt; Comment on attachment 345075 [details]
&gt; ChangeLog tweak
&gt; 
&gt; View in context:
&gt; https://bugs.webkit.org/attachment.cgi?id=345075&amp;action=review
&gt; 
&gt; &gt; Source/WebCore/platform/graphics/avfoundation/objc/AVFoundationMIMETypeCache.mm:97
&gt; &gt; +#if PLATFORM(IOSMAC)
&gt; 
&gt; Why does the same issue not impact other configurations? It seems fragile
&gt; that the only do the safe thing on IOSMAC.

It doesn&apos;t impact macOS because we don&apos;t need to dynamically load iOS-only symbols there.

In this case (on iosmac), we were failing to link symbols in AudioSessionIOS, which is not compiled on macOS.</thetext>
  </long_desc>
      
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