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Issue metadata

Status: Verified
Owner:
Closed: Aug 16
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Floating-point-exception in TSFNTFont::GetVariationAxes

Project Member Reported by ClusterFuzz, Dec 11 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4796880847634432

Fuzzer: libFuzzer_pdf_font_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  TSFNTFont::GetVariationAxes
  TFPFont::TFPFont
  TFPInMemoryFont::TFPInMemoryFont
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=472872:472906

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4796880847634432

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 11 2017

Components: Internals>Plugins>PDF
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Owner: npm@chromium.org
Status: Assigned (was: Untriaged)
npm@ do you have time to look at a font issue?

Comment 3 by npm@chromium.org, Dec 11 2017

Cc: npm@chromium.org
Owner: dsinclair@chromium.org
No time, going OOO pretty soon. If the stacktrace is correct, this looks like a Mac bug that should be reported to Apple.
Project Member

Comment 4 by ClusterFuzz, Aug 16

ClusterFuzz has detected this issue as fixed in range 583266:583305.

Detailed report: https://clusterfuzz.com/testcase?key=4796880847634432

Fuzzer: libFuzzer_pdf_font_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  TSFNTFont::GetVariationAxes
  TFPFont::TFPFont
  TFPInMemoryFont::TFPInMemoryFont
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=472872:472906
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=583266:583305

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4796880847634432

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 5 by ClusterFuzz, Aug 16

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4796880847634432 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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