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Issue metadata

Status: Verified
Owner: ----
Closed: Dec 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Float-cast-overflow in gfx::Transform::IsIdentityOrIntegerTranslation

Project Member Reported by ClusterFuzz, Dec 16 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5652813230374912

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  gfx::Transform::IsIdentityOrIntegerTranslation
  cc::TransformTree::UpdateNodeAndAncestorsHaveIntegerTranslations
  cc::TransformTree::UpdateTransforms
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085

Minimized Testcase (0.10 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97lQx1Qw3uwfZIhYWRLPuqIsshdXooelzmdcxy8gj2kYEVOUBThXuEBnbar8ldnOlorTG2DOuFBMogETTgNRe2L8uQ4Xezcfj38Jg6AKhbdtnsxlv_1anYWHlTUTFwCpuMeP50EKxJRM4AhkIabhWKTHVs4Fw?testcase_id=5652813230374912
<style>
ol, label { flex-shrink: float; transform: translate3d(1px, 1px, 2147483647px);</style>
<ol>


Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 20 2016

ClusterFuzz has detected this issue as fixed in range 439552:439637.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5652813230374912

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  gfx::Transform::IsIdentityOrIntegerTranslation
  cc::TransformTree::UpdateNodeAndAncestorsHaveIntegerTranslations
  cc::TransformTree::UpdateTransforms
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=439552:439637

Minimized Testcase (0.10 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97lQx1Qw3uwfZIhYWRLPuqIsshdXooelzmdcxy8gj2kYEVOUBThXuEBnbar8ldnOlorTG2DOuFBMogETTgNRe2L8uQ4Xezcfj38Jg6AKhbdtnsxlv_1anYWHlTUTFwCpuMeP50EKxJRM4AhkIabhWKTHVs4Fw?testcase_id=5652813230374912
<style>
ol, label { flex-shrink: float; transform: translate3d(1px, 1px, 2147483647px);</style>
<ol>


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, Dec 20 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5652813230374912 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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