New issue
Advanced search Search tips

Issue 702870 link

Starred by 1 user

Issue metadata

Status: Verified
Owner: ----
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



Sign in to add a comment

Integer-overflow in SkPerlinNoiseShader::PerlinNoiseShaderContext::calculateTurbulenceValueForPoint

Project Member Reported by ClusterFuzz, Mar 18 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5232902242828288

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkPerlinNoiseShader::PerlinNoiseShaderContext::calculateTurbulenceValueForPoint
  SkPerlinNoiseShader::PerlinNoiseShaderContext::shade
  SkPerlinNoiseShader::PerlinNoiseShaderContext::shadeSpan
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=400445:400830

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv96IOwqS2Bj5X_j0YzM5Z74CNi-yM2KJVMgvUTSqSFfEAnfSJlJb7-yZ3TyYPwfhjVepNK0hbX_K5DhkvLC-0LL_79w8Qb_J1s9fgCLDUObbEOHuHGSAePWDjrZPBF7EGdnyRNjMooGnuJKVT-NWSuMlqQlssR_vzKhAKD1NrzDoWa4N4TAfbZHx1u0FXcE8NXh9DYHjrCASdqPOMnXgwwW0IHQcMt4VxcqH6kdr9Wk2IRJKUvkfZhQyQ08kMXRkXqOnWMkR8WxqWI2xhFXsp26CCxaQbpv063aNjFEWNOV-xPMEaVOBgNskGe5sbCkiDU1kb6Tc93J92r8A63m5_MN-X-ZyUhPt2K_5yPsEpzzfW-p_xMg33QmLOxIcwCPrGRpKggAeXThOfSCKVwmX2O8WOSntlw?testcase_id=5232902242828288


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Internals>Skia
Labels: Test-Predator-Wrong-CLs M-59

Comment 2 by hcm@chromium.org, Apr 3 2017

Labels: -Pri-2 Pri-3
Reducing priority on this non-security integer overflow..we will have to get to these as we can with many more critical issues to address.
Project Member

Comment 3 by ClusterFuzz, May 19 2017

ClusterFuzz has detected this issue as fixed in range 473029:473072.

Detailed report: https://clusterfuzz.com/testcase?key=5232902242828288

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkPerlinNoiseShader::PerlinNoiseShaderContext::calculateTurbulenceValueForPoint
  SkPerlinNoiseShader::PerlinNoiseShaderContext::shade
  SkPerlinNoiseShader::PerlinNoiseShaderContext::shadeSpan
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=400445:400830
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=473029:473072

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5232902242828288


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 4 by ClusterFuzz, May 19 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5232902242828288 is verified as fixed, so closing issue.

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

Sign in to add a comment