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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::StyleRuleBase::createCSSOMWrapper

Project Member Reported by ClusterFuzz, Oct 19 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6422891493326848

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000000
Crash State:
  blink::StyleRuleBase::createCSSOMWrapper
  blink::StyleRuleBase::createCSSOMWrapper
  blink::CSSStyleSheet::item
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=347600:347772

Minimized Testcase (2.24 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97hQ7PBDrXR7lJzo_ZiSYfV-0CyLcJhm6hBVYEhKKe0ap8QL7ors2pxzOzO4MOftdpTL8FmLcgATZDb76jLi0F3Rm5y8uzMEzM4H_3cC7usjdisrymbZPXq0F-4AyUyIvk3ank4Vc-OIaJSauyvQmFO7rFrOA?testcase_id=6422891493326848

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: danakj@chromium.org
Status: Assigned (was: Untriaged)
danakj @ could you please look into this.please feel free to re-assigned back if needed. thanks in advance !

Comment 2 by danakj@chromium.org, Oct 20 2016

Owner: mmohammad@chromium.org
I'm not an owner of StyleRuleBase please find an owner of this code.
Owner: roc...@chromium.org
rockot@  could you please look into this.please feel free to re-assigned back if needed. thanks in advance !

Comment 4 by roc...@chromium.org, Oct 20 2016

Owner: mmohammad@chromium.org
I really don't understand why you would assign this to me. I'm also not an owner of this code, and I have no CLs in the regression range.
Owner: ----
Status: Available (was: Assigned)
Project Member

Comment 6 by ClusterFuzz, Nov 2 2016

ClusterFuzz has detected this issue as fixed in range 428942:428962.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6422891493326848

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000000
Crash State:
  blink::StyleRuleBase::createCSSOMWrapper
  blink::StyleRuleBase::createCSSOMWrapper
  blink::CSSStyleSheet::item
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=347600:347772
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=428942:428962

Minimized Testcase (2.24 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97hQ7PBDrXR7lJzo_ZiSYfV-0CyLcJhm6hBVYEhKKe0ap8QL7ors2pxzOzO4MOftdpTL8FmLcgATZDb76jLi0F3Rm5y8uzMEzM4H_3cC7usjdisrymbZPXq0F-4AyUyIvk3ank4Vc-OIaJSauyvQmFO7rFrOA?testcase_id=6422891493326848

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 7 by ClusterFuzz, Nov 2 2016

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

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

Comment 8 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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