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Issue metadata

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



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Float-cast-overflow in blink::BaseRenderingContext2D::drawImage

Project Member Reported by ClusterFuzz, Dec 16 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4876409576357888

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::BaseRenderingContext2D::drawImage
  blink::BaseRenderingContext2D::drawImage
  drawImage1Method
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085

Minimized Testcase (1.86 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96YEYgeq9Lzl6DDsaccIkn3vXNTSbTcCd7yHM4-F2-n8erYLR0FIXY7U4c0Wbjr0t0twaUk3s3zTDKki0X9am31l58mxkDo1kW3cMK71blHa5W4oK_u9YFvzFIZXmYBm0F46XDDq7FON3WdhhNg2BSPsK9PEg?testcase_id=4876409576357888

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 22 2016

ClusterFuzz has detected this issue as fixed in range 440242:440280.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4876409576357888

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::BaseRenderingContext2D::drawImage
  blink::BaseRenderingContext2D::drawImage
  drawImage1Method
  
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=440242:440280

Minimized Testcase (1.86 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96YEYgeq9Lzl6DDsaccIkn3vXNTSbTcCd7yHM4-F2-n8erYLR0FIXY7U4c0Wbjr0t0twaUk3s3zTDKki0X9am31l58mxkDo1kW3cMK71blHa5W4oK_u9YFvzFIZXmYBm0F46XDDq7FON3WdhhNg2BSPsK9PEg?testcase_id=4876409576357888

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 22 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4876409576357888 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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