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Issue metadata

Status: Verified
Owner: ----
Closed: May 2017
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Null-dereference READ in blink::DrawingRecorder::~DrawingRecorder

Project Member Reported by ClusterFuzz, May 17 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4606111742427136

Fuzzer: miaubiz_svg_fuzzer
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::DrawingRecorder::~DrawingRecorder
  blink::SVGMaskPainter::DrawMaskForLayoutObject
  blink::SVGMaskPainter::FinishEffect
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=472181:472211

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4606111742427136


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, May 17 2017

ClusterFuzz has detected this issue as fixed in range 472221:472281.

Detailed report: https://clusterfuzz.com/testcase?key=4606111742427136

Fuzzer: miaubiz_svg_fuzzer
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::DrawingRecorder::~DrawingRecorder
  blink::SVGMaskPainter::DrawMaskForLayoutObject
  blink::SVGMaskPainter::FinishEffect
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=472181:472211
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=472221:472281

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4606111742427136


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 2 by ClusterFuzz, May 17 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4606111742427136 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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