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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 void SkFindAndPlaceGlyph::ProcessPosText<DrawOneGlyph&>

Project Member Reported by ClusterFuzz, Dec 22 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4902922728243200

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x60b00003dbec
Crash State:
  void SkFindAndPlaceGlyph::ProcessPosText<DrawOneGlyph&>
  SkDraw::drawPosText
  SkBitmapDevice::drawPosText
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_chromeos&range=440205:440280

Minimized Testcase (0.10 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96NIvA6yWbre-IkP5QnaErwFrdAlqhUcX0o0AltEzok9zy-iWYMkcEWAq3iN7pK227uVY5ahwSl0A9AAnu_IOhK41y5yhxc0Q6KGw1Vt0D8lXBDQ-WmSvn6Lv_qiH1TJDU3v5pIRGcPO1C8_4HDI5n2Nk3rjA?testcase_id=4902922728243200

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 22 2016

Labels: M-57
Project Member

Comment 2 by sheriffbot@chromium.org, Dec 22 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 22 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=4902922728243200

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x60b00003dbec
Crash State:
  void SkFindAndPlaceGlyph::ProcessPosText<DrawOneGlyph&>
  SkDraw::drawPosText
  SkBitmapDevice::drawPosText
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_chromeos&range=440205:440280
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_chromeos&range=441240:441358

Minimized Testcase (0.10 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96NIvA6yWbre-IkP5QnaErwFrdAlqhUcX0o0AltEzok9zy-iWYMkcEWAq3iN7pK227uVY5ahwSl0A9AAnu_IOhK41y5yhxc0Q6KGw1Vt0D8lXBDQ-WmSvn6Lv_qiH1TJDU3v5pIRGcPO1C8_4HDI5n2Nk3rjA?testcase_id=4902922728243200

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 12 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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