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Issue metadata

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



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Float-cast-overflow in blink::TransformationMatrix::isIntegerTranslation

Project Member Reported by ClusterFuzz, Dec 16 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6469355635474432

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::TransformationMatrix::isIntegerTranslation
  blink::LayoutGeometryMap::push
  blink::LayoutBoxModelObject::pushMappingToContainer
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085

Minimized Testcase (0.12 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94JyLj5Zyoe-uiDdgG7Itldf_Kn9Hv-_JYxHK-mnX6IHnzi7-CiBg4gzeh9SWmiIUA0_fMG0K0YLWMXqArXxkGbXNHoePn-1jMovitHUiAF1_nM8tzg_5kJbOMqcZhf4an2zuW1xkTtJDlTPKxxyXh97hKR_w?testcase_id=6469355635474432

Additional requirements: Requires HTTP

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Blink>Layout
Labels: Test-Predator-Correct M-57
Owner: chrishtr@chromium.org
Status: Assigned (was: Untriaged)
The result is a list of CLs that change the crashed files. 

Author: chrishtr
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/7c6d99f9312312984af26dfb466c04bdf02afc68
Time: Fri Dec 02 22:42:12 2016
Lines 243 of file CompositingInputsUpdater.cpp which potentially caused crash are changed in this cl (frame #5, "blink::CompositingInputsUpdater::updateRecursive").
Minimum distance from crash line to modified line: 0. (file: CompositingInputsUpdater.cpp, crashed on: 243, modified: 243).
Project Member

Comment 2 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=6469355635474432

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::TransformationMatrix::isIntegerTranslation
  blink::LayoutGeometryMap::push
  blink::LayoutBoxModelObject::pushMappingToContainer
  
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 (0.12 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94JyLj5Zyoe-uiDdgG7Itldf_Kn9Hv-_JYxHK-mnX6IHnzi7-CiBg4gzeh9SWmiIUA0_fMG0K0YLWMXqArXxkGbXNHoePn-1jMovitHUiAF1_nM8tzg_5kJbOMqcZhf4an2zuW1xkTtJDlTPKxxyXh97hKR_w?testcase_id=6469355635474432

Additional requirements: Requires HTTP

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 3 by ClusterFuzz, Dec 22 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6469355635474432 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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