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Issue metadata

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



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Heap-buffer-overflow in nextPoint

Project Member Reported by ClusterFuzz, Dec 22 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6228313464111104

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x61100003238c
Crash State:
  nextPoint
  void SkFindAndPlaceGlyph::ProcessPosText<DrawOneGlyph&>
  SkDraw::drawPosText
  
Recommended Security Severity: Medium

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

Minimized Testcase (0.10 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96VD94_jwahL8a08a5Hf7Mr9AYKkRvxiMuUTVpwBMWz3A_AS8T2bQGRiRV-pFZTqPl0SiypmkRhWeyiUf9RBpSU20tUMZZZajJflT3MQH9s85Wb8wu4UGRgJ4C1e_qtlaasgMAdHQBvyDqW9_5woCUZh-p0jA?testcase_id=6228313464111104
       xxxxxxxxxxxxxxxxxxxxxx
 <style>
     * { letter-spacing: 170141183460469231731687303715884105727mm;


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Mergedinto: 676598
Status: Duplicate (was: Untriaged)
Project Member

Comment 2 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=6228313464111104

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x61100003238c
Crash State:
  nextPoint
  void SkFindAndPlaceGlyph::ProcessPosText<DrawOneGlyph&>
  SkDraw::drawPosText
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

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

Minimized Testcase (0.10 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96VD94_jwahL8a08a5Hf7Mr9AYKkRvxiMuUTVpwBMWz3A_AS8T2bQGRiRV-pFZTqPl0SiypmkRhWeyiUf9RBpSU20tUMZZZajJflT3MQH9s85Wb8wu4UGRgJ4C1e_qtlaasgMAdHQBvyDqW9_5woCUZh-p0jA?testcase_id=6228313464111104
       xxxxxxxxxxxxxxxxxxxxxx
 <style>
     * { letter-spacing: 170141183460469231731687303715884105727mm;


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 3 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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