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Issue metadata

Status: Verified
Owner:
Closed: Jan 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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ASSERT: scalingFactor >= 0.0f

Project Member Reported by ClusterFuzz, Jan 28 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5847483889221632

Fuzzer: libFuzzer_pdfium_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  scalingFactor >= 0.0f
  CPDF_CharPosList::Load
  CPDF_TextRenderer::DrawNormalText
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=480653:480710

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5847483889221632

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 28 2018

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.
Project Member

Comment 2 by ClusterFuzz, Jan 28 2018

Labels: Test-Predator-Auto-Owner
Owner: npm@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/4db9046e56c884a350fa2c5087f8d5b8110463c4 (Add heuristic for improving text rendering in CPDF_CharPosList::Load).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by ClusterFuzz, Jan 31 2018

ClusterFuzz has detected this issue as fixed in range 533124:533148.

Detailed report: https://clusterfuzz.com/testcase?key=5847483889221632

Fuzzer: libFuzzer_pdfium_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  scalingFactor >= 0.0f
  CPDF_CharPosList::Load
  CPDF_TextRenderer::DrawNormalText
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=480653:480710
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=533124:533148

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5847483889221632

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 4 by ClusterFuzz, Jan 31 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5847483889221632 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
This was probably fixed by https://pdfium-review.googlesource.com/c/pdfium/+/24410.

Comment 6 by npm@chromium.org, Jan 31 2018

Yea... my CL had the bug ID but the bot was too lazy to report it.

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