<?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>145286</bug_id>
          
          <creation_ts>2015-05-21 17:01:20 -0700</creation_ts>
          <short_desc>[iOS] Crash when taking a snapshot of a large PDF</short_desc>
          <delta_ts>2015-05-21 17:31:27 -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>WebKit2</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></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Enrica Casucci">enrica</reporter>
          <assigned_to name="Enrica Casucci">enrica</assigned_to>
          <cc>thorton</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1096701</commentid>
    <comment_count>0</comment_count>
    <who name="Enrica Casucci">enrica</who>
    <bug_when>2015-05-21 17:01:20 -0700</bug_when>
    <thetext>Safari crashes when opening a large PDF in the snapshot code.

rdar://problem/20892362</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1096704</commentid>
    <comment_count>1</comment_count>
      <attachid>253555</attachid>
    <who name="Enrica Casucci">enrica</who>
    <bug_when>2015-05-21 17:06:06 -0700</bug_when>
    <thetext>Created attachment 253555
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1096711</commentid>
    <comment_count>2</comment_count>
      <attachid>253555</attachid>
    <who name="Tim Horton">thorton</who>
    <bug_when>2015-05-21 17:21:32 -0700</bug_when>
    <thetext>Comment on attachment 253555
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=253555&amp;action=review

&gt; Source/WebKit2/ChangeLog:11
&gt; +        an image context when we are not.

Maybe a note here about the giant allocations too?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1096717</commentid>
    <comment_count>3</comment_count>
    <who name="Enrica Casucci">enrica</who>
    <bug_when>2015-05-21 17:31:27 -0700</bug_when>
    <thetext>Committed revision 184739.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>253555</attachid>
            <date>2015-05-21 17:06:06 -0700</date>
            <delta_ts>2015-05-21 17:21:32 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>snapshotcrash.txt</filename>
            <type>text/plain</type>
            <size>5185</size>
            <attacher name="Enrica Casucci">enrica</attacher>
            
              <data encoding="base64">SW5kZXg6IFNvdXJjZS9XZWJLaXQyL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09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==
</data>
<flag name="review"
          id="278471"
          type_id="1"
          status="+"
          setter="thorton"
    />
          </attachment>
      

    </bug>

</bugzilla>