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Issue metadata

Status: Duplicate
Owner: ----
Closed: Dec 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-buffer-overflow in SkFindAndPlaceGlyph::HorizontalPositions::nextPoint

Project Member Reported by ClusterFuzz, Dec 23 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5144914406146048

Fuzzer: inferno_canvas_wrecker
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x617000050b7c
Crash State:
  SkFindAndPlaceGlyph::HorizontalPositions::nextPoint
  GrTextUtils::DrawBmpPosText
  GrAtlasTextContext::RegenerateTextBlob
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=440242:440307

Minimized Testcase (0.66 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94HJyZas1p4mP6LY5rkP4HrCThm-ubKT7oZY4vVCAjbWNuDK2LuIOItjotQRf1ATdwsa1b0hYMOp-VuPwasyFP-fK_g-jJrfKXdJl8GWmQ13cQt3vtvIdCE87PeFMvcfjnlTCHW9A-7bB6YBgqchXB-Jv4f7w?testcase_id=5144914406146048

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, Dec 23 2016

Labels: M-57
Project Member

Comment 2 by sheriffbot@chromium.org, Dec 23 2016

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 3 by sheriffbot@chromium.org, Dec 23 2016

Labels: Pri-1
Mergedinto: 676598
Status: Duplicate (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, Jan 5 2017

ClusterFuzz has detected this issue as fixed in range 441240:441358.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5144914406146048

Fuzzer: inferno_canvas_wrecker
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x617000050b7c
Crash State:
  SkFindAndPlaceGlyph::HorizontalPositions::nextPoint
  GrTextUtils::DrawBmpPosText
  GrAtlasTextContext::RegenerateTextBlob
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=440242:440307
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=441240:441358

Minimized Testcase (0.66 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94HJyZas1p4mP6LY5rkP4HrCThm-ubKT7oZY4vVCAjbWNuDK2LuIOItjotQRf1ATdwsa1b0hYMOp-VuPwasyFP-fK_g-jJrfKXdJl8GWmQ13cQt3vtvIdCE87PeFMvcfjnlTCHW9A-7bB6YBgqchXB-Jv4f7w?testcase_id=5144914406146048

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.
Labels: -ReleaseBlock-Beta
Project Member

Comment 7 by sheriffbot@chromium.org, Apr 13 2017

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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