New issue
Advanced search Search tips

Issue 675201 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

Float-cast-overflow in blink::computeEdgeWidth

Project Member Reported by ClusterFuzz, Dec 16 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6505082247184384

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::computeEdgeWidth
  blink::NinePieceImageGrid::NinePieceImageGrid
  blink::NinePieceImagePainter::paint
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085

Minimized Testcase (0.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94YuXqcWyHKg1apmhtOplUneZj7mTZVDcf0ag1v0mbCqVT1l7p_WrlefJ4dq_5LKqQYUNCYlqpwcgcsWzhV7YcnB5rzsFB025gq6_xOQQgMeZEw4PJKmxZOSzM6amxuxBo1K1hJhnVG98eTya45Lc5l110qwg?testcase_id=6505082247184384

Issue filed automatically.

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

Author: wangxianzhu
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/94850bde38a77b0b57a0d51a8c2705d92b6e4ea1
Time: Thu Dec 08 03:01:37 2016
Lines 915-924 of file BoxPainter.cpp which potentially caused crash are changed in this cl (frame #3, "blink::BoxPainter::paintNinePieceImage").
Minimum distance from crash line to modified line: 0. (file: BoxPainter.cpp, crashed on: 915, modified: 915).
Status: WontFix (was: Assigned)
This is not a regression. It has no real impact.
Project Member

Comment 3 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=6505082247184384

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::computeEdgeWidth
  blink::NinePieceImageGrid::NinePieceImageGrid
  blink::NinePieceImagePainter::paint
  
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 (0.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94YuXqcWyHKg1apmhtOplUneZj7mTZVDcf0ag1v0mbCqVT1l7p_WrlefJ4dq_5LKqQYUNCYlqpwcgcsWzhV7YcnB5rzsFB025gq6_xOQQgMeZEw4PJKmxZOSzM6amxuxBo1K1hJhnVG98eTya45Lc5l110qwg?testcase_id=6505082247184384

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.

Sign in to add a comment