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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 CFX_FaceCache::LoadGlyphBitmap

Project Member Reported by ClusterFuzz, Dec 17 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5518610752864256

Fuzzer: ochang_search_index_mutator
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  CFX_FaceCache::LoadGlyphBitmap
  CFX_Font::LoadGlyphBitmap
  CFX_RenderDevice::DrawNormalText
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085

Minimized Testcase (219.02 Kb): https://cluster-fuzz.appspot.com/download/AMIfv978cgqMxw7K1yH_-EspugSlOZsj_Z6CUyGk0zTqOPXAwc2ITqk-1hK2KqSftxeHC9b_92r3TczV9YB-0kKbxdAbCtPF52UC1lgQ0k7bl16t9zIT-YbK7Ls73_TlHiBGCUJ27a8S3PTjGH0HjgAuwp2SPEgyKr6uzjoVlMw72JpJoJ3KJek?testcase_id=5518610752864256

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=5518610752864256

Fuzzer: ochang_search_index_mutator
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  CFX_FaceCache::LoadGlyphBitmap
  CFX_Font::LoadGlyphBitmap
  CFX_RenderDevice::DrawNormalText
  
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 (219.02 Kb): https://cluster-fuzz.appspot.com/download/AMIfv978cgqMxw7K1yH_-EspugSlOZsj_Z6CUyGk0zTqOPXAwc2ITqk-1hK2KqSftxeHC9b_92r3TczV9YB-0kKbxdAbCtPF52UC1lgQ0k7bl16t9zIT-YbK7Ls73_TlHiBGCUJ27a8S3PTjGH0HjgAuwp2SPEgyKr6uzjoVlMw72JpJoJ3KJek?testcase_id=5518610752864256

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 5518610752864256 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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