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Issue 807531 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Regression



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Float-cast-overflow in autofill::ContentAutofillDriver::TransformBoundingBoxToViewportCoordinates

Project Member Reported by ClusterFuzz, Jan 31 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4981644185042944

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  autofill::ContentAutofillDriver::TransformBoundingBoxToViewportCoordinates
  autofill::AutofillHandler::OnFocusOnFormField
  autofill::mojom::AutofillDriverStubDispatch::Accept
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=531626:531630

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4981644185042944

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jan 31 2018

Components: UI>Browser>Autofill
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Cc: brajkumar@chromium.org
Labels: -Type-Bug -Pri-2 M-66 Test-Predator-Wrong Pri-1 Type-Bug-Regression
Owner: michaelbai@chromium.org
Status: Assigned (was: Untriaged)
Predator and CL could not provide any possible suspects.

Using Code Search for the file, "autofill_handler.cc" and observed there was some recent changes for the below file.

Suspect CL: https://chromium.googlesource.com/chromium/src/+/a674b1ddd40462bb41eef50f0befc6000d56c393

michaelbai@ -- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Thanks!

Project Member

Comment 3 by bugdroid1@chromium.org, Feb 14 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e202adab6d3ba9e97f27fbc78ab218481af93a0c

commit e202adab6d3ba9e97f27fbc78ab218481af93a0c
Author: Tao Bai <michaelbai@chromium.org>
Date: Wed Feb 14 02:07:14 2018

Using float in ContentAutofillDriver::TransformBoundingBoxToViewportCoordinates

BUG= 807531 

Change-Id: Ic86c3b3bd03e2e056c8eb56d3836d025360e620a
Reviewed-on: https://chromium-review.googlesource.com/910041
Reviewed-by: Roger McFarlane <rogerm@chromium.org>
Commit-Queue: Tao Bai <michaelbai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#536604}
[modify] https://crrev.com/e202adab6d3ba9e97f27fbc78ab218481af93a0c/components/autofill/content/browser/content_autofill_driver.cc

Project Member

Comment 4 by ClusterFuzz, Feb 14 2018

ClusterFuzz has detected this issue as fixed in range 536603:536604.

Detailed report: https://clusterfuzz.com/testcase?key=4981644185042944

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  autofill::ContentAutofillDriver::TransformBoundingBoxToViewportCoordinates
  autofill::AutofillHandler::OnFocusOnFormField
  autofill::mojom::AutofillDriverStubDispatch::Accept
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=531626:531630
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=536603:536604

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4981644185042944

See https://github.com/google/clusterfuzz-tools 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 5 by ClusterFuzz, Feb 14 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4981644185042944 is verified as fixed, so closing issue as verified.

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

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