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Issue 772775 link

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Issue metadata

Status: Verified
Owner:
User never visited
Closed: Oct 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in FT_Outline_Translate

Project Member Reported by ClusterFuzz, Oct 9 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5022597795545088

Fuzzer: libFuzzer_pdf_font_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  FT_Outline_Translate
  TT_Process_Composite_Component
  load_truetype_glyph
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=491668:491697

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5022597795545088

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Oct 9 2017

Labels: Test-Predator-AutoOwner
Owner: w...@gnu.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/third_party/freetype2/+/ce367774d20072018d46bfe26f7c7b823dfad79c ([sfnt, truetype] Minor adjustments for OpenType 1.8.2.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Fixed in git.
Project Member

Comment 3 by ClusterFuzz, Oct 18 2017

ClusterFuzz has detected this issue as fixed in range 509376:509394.

Detailed report: https://clusterfuzz.com/testcase?key=5022597795545088

Fuzzer: libFuzzer_pdf_font_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  FT_Outline_Translate
  TT_Process_Composite_Component
  load_truetype_glyph
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=491668:491697
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=509376:509394

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5022597795545088

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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, Oct 18 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5022597795545088 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner

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