<?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>18879</bug_id>
          
          <creation_ts>2008-05-03 20:48:58 -0700</creation_ts>
          <short_desc>Reproducible crash when removing a gradient</short_desc>
          <delta_ts>2008-05-04 15:07:55 -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>CSS</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Mac</rep_platform>
          <op_sys>OS X 10.5</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P1</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter>mitz</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>hyatt</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>79597</commentid>
    <comment_count>0</comment_count>
    <who name="">mitz</who>
    <bug_when>2008-05-03 20:48:58 -0700</bug_when>
    <thetext>The attached test case crashes beneath StyleGeneratedImage::removeClient(), because the CSSImageGeneratorValue is deleted when the background-image property is removed.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>79598</commentid>
    <comment_count>1</comment_count>
      <attachid>20954</attachid>
    <who name="">mitz</who>
    <bug_when>2008-05-03 20:49:21 -0700</bug_when>
    <thetext>Created attachment 20954
Test case (will crash)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>79599</commentid>
    <comment_count>2</comment_count>
    <who name="">mitz</who>
    <bug_when>2008-05-03 20:49:51 -0700</bug_when>
    <thetext>&lt;rdar://problem/5909481&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>79600</commentid>
    <comment_count>3</comment_count>
      <attachid>20955</attachid>
    <who name="">mitz</who>
    <bug_when>2008-05-03 21:23:49 -0700</bug_when>
    <thetext>Created attachment 20955
Make clients implicitly ref() the CSSImageGeneratorValue

The &quot;autoDeref&quot; trick may be the wrong trade-off between readability and leak safety for such a small function. I can replace it with a deref() at the end.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>79634</commentid>
    <comment_count>4</comment_count>
      <attachid>20955</attachid>
    <who name="Sam Weinig">sam</who>
    <bug_when>2008-05-04 14:03:10 -0700</bug_when>
    <thetext>Comment on attachment 20955
Make clients implicitly ref() the CSSImageGeneratorValue

I think you should replace the &quot;autoDeref&quot; trick with a deref at the end to make the calls symmetrical.  r=me, the change is up to you though.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>79636</commentid>
    <comment_count>5</comment_count>
    <who name="">mitz</who>
    <bug_when>2008-05-04 15:07:55 -0700</bug_when>
    <thetext>Fixed in &lt;http://trac.webkit.org/changeset/32854&gt;.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>20954</attachid>
            <date>2008-05-03 20:49:21 -0700</date>
            <delta_ts>2008-05-03 20:49:21 -0700</delta_ts>
            <desc>Test case (will crash)</desc>
            <filename>gradient-crash.html</filename>
            <type>text/html</type>
            <size>280</size>
            <attacher>mitz</attacher>
            
              <data encoding="base64">PGRpdiBpZD0idGFyZ2V0IiBzdHlsZT0id2lkdGg6IDEwMHB4OyBoZWlnaHQ6IDEwMHB4OyBiYWNr
Z3JvdW5kLWltYWdlOiAtd2Via2l0LWdyYWRpZW50KGxpbmVhciwgbGVmdCB0b3AsIGxlZnQgYm90
dG9tLCBmcm9tKHdoaXRlKSwgdG8oYmxhY2spKSI+CjwvZGl2Pgo8c2NyaXB0PgogICAgZG9jdW1l
bnQuYm9keS5vZmZzZXRUb3A7CiAgICBkb2N1bWVudC5nZXRFbGVtZW50QnlJZCgidGFyZ2V0Iiku
c3R5bGUucmVtb3ZlUHJvcGVydHkoImJhY2tncm91bmQtaW1hZ2UiKTsKPC9zY3JpcHQ+Cg==
</data>

          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>20955</attachid>
            <date>2008-05-03 21:23:49 -0700</date>
            <delta_ts>2008-05-04 14:03:10 -0700</delta_ts>
            <desc>Make clients implicitly ref() the CSSImageGeneratorValue</desc>
            <filename>18879_r1.diff</filename>
            <type>text/plain</type>
            <size>3857</size>
            <attacher>mitz</attacher>
            
              <data encoding="base64">SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09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</data>
<flag name="review"
          id="9166"
          type_id="1"
          status="+"
          setter="sam"
    />
          </attachment>
      

    </bug>

</bugzilla>