<?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>128348</bug_id>
          
          <creation_ts>2014-02-06 17:35:34 -0800</creation_ts>
          <short_desc>ASAN DRT crashes on empty page</short_desc>
          <delta_ts>2015-01-20 11:13:06 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Tools / Tests</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>WORKSFORME</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="Myles C. Maxfield">mmaxfield</reporter>
          <assigned_to name="Myles C. Maxfield">mmaxfield</assigned_to>
          <cc>ap</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>977652</commentid>
    <comment_count>0</comment_count>
    <who name="Myles C. Maxfield">mmaxfield</who>
    <bug_when>2014-02-06 17:35:34 -0800</bug_when>
    <thetext>mmaxfield:OpenSource mmaxfield$ DYLD_FRAMEWORK_PATH=/Volumes/Data/home/mmaxfield/Build/Release ~/Build/Release/DumpRenderTree
=================================================================
==49898==ERROR: AddressSanitizer: global-buffer-overflow on address 0x0001035de740 at pc 0x1036e6ebd bp 0x7fff5c69f560 sp 0x7fff5c69f530
READ of size 21 at 0x0001035de740 thread T0
    #0 0x1036e6ebc (/Applications/Xcode.app/Contents/Developer/Toolchains/ASAN.xctoolchain/usr/lib/clang/3.5/lib/darwin/libclang_rt.asan_osx_dynamic.dylib+0x15ebc)
    #1 0x7fff8be1f1c1 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x351c1)
    #2 0x7fff8bdf134a (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x734a)
    #3 0x7fff8be3984d (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x4f84d)
    #4 0x7fff8be5027e (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x6627e)
    #5 0x10357ef03 (/Volumes/Data/home/mmaxfield/Build/Release/DumpRenderTree+0x10001ef03)
    #6 0x10357e51b (/Volumes/Data/home/mmaxfield/Build/Release/DumpRenderTree+0x10001e51b)
    #7 0x7fff89a675f0 (/usr/lib/system/libdyld.dylib+0x35f0)

0x0001035de740 is located 32 bytes to the left of global variable &apos;.str581&apos; from &apos;/Volumes/Data/home/mmaxfield/src/WebKit/OpenSource/Tools/DumpRenderTree/mac/DumpRenderTree.mm&apos; (0x1035de760) of size 20
  &apos;.str581&apos; is ascii string &apos;AppleHighlightColor&apos;
0x0001035de740 is located 0 bytes inside of global variable &apos;.str579&apos; from &apos;/Volumes/Data/home/mmaxfield/src/WebKit/OpenSource/Tools/DumpRenderTree/mac/DumpRenderTree.mm&apos; (0x1035de740) of size 22
  &apos;.str579&apos; is ascii string &apos;AppleAquaColorVariant&apos;
0x0001035de740 is located 13 bytes to the right of global variable &apos;.str577&apos; from &apos;/Volumes/Data/home/mmaxfield/src/WebKit/OpenSource/Tools/DumpRenderTree/mac/DumpRenderTree.mm&apos; (0x1035de720) of size 19
  &apos;.str577&apos; is ascii string &apos;AppleFontSmoothing&apos;
SUMMARY: AddressSanitizer: global-buffer-overflow ??:0 ??
Shadow bytes around the buggy address:
  0x1000206bbc90: f9 f9 f9 f9 01 f9 f9 f9 06 f9 f9 f9 f9 f9 f9 f9
  0x1000206bbca0: f9 02 f9 f9 f9 07 f9 f9 f9 f9 f9 f9 f9 f9 02 f9
  0x1000206bbcb0: f9 03 f9 f9 f9 06 f9 f9 f9 05 f9 f9 f9 04 f9 f9
  0x1000206bbcc0: f9 04 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 00 05 f9 f9
  0x1000206bbcd0: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 04 f9 f9 f9 03 f9
=&gt;0x1000206bbce0: f9 f9 f9 03 f9 f9 03 f9[f9]f9 06 f9 f9 f9 04 f9
  0x1000206bbcf0: f9 f9 f9 03 f9 f9 f9 01 f9 f9 f9 03 f9 07 f9 f9
  0x1000206bbd00: 03 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9
  0x1000206bbd10: f9 f9 06 f9 f9 f9 f9 03 f9 02 f9 f9 f9 03 f9 f9
  0x1000206bbd20: 07 f9 f9 f9 f9 f9 f9 f9 07 f9 f9 f9 06 f9 f9 f9
  0x1000206bbd30: f9 01 f9 f9 f9 f9 f9 f9 f9 05 f9 f9 f9 04 f9 f9
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Contiguous container OOB:fc
  ASan internal:           fe
==49898==ABORTING</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>983394</commentid>
    <comment_count>1</comment_count>
    <who name="David Farler">dfarler</who>
    <bug_when>2014-02-21 15:26:46 -0800</bug_when>
    <thetext>Myles - is this still happening?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>983405</commentid>
    <comment_count>2</comment_count>
    <who name="Myles C. Maxfield">mmaxfield</who>
    <bug_when>2014-02-21 15:41:02 -0800</bug_when>
    <thetext>Reopened so I can verify</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1062816</commentid>
    <comment_count>3</comment_count>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2015-01-20 11:13:06 -0800</bug_when>
    <thetext>DumpRenderTree runs the whole test suite now.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>