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Issue 912749 link

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Issue metadata

Status: Verified
Owner:
Closed: Jan 10
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in TetrahedralInterp16

Project Member Reported by ClusterFuzz, Dec 6

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5888708253057024

Fuzzer: libFuzzer_pdf_codec_icc_fuzzer
Fuzz target binary: pdf_codec_icc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  TetrahedralInterp16
  CachedXFORM
  cmsDoTransform
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=420371:420606

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5888708253057024

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 6

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, Dec 6

Cc: tsepez@chromium.org dsinclair@chromium.org weili@chromium.org caryclark@google.com npm@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, Dec 6

Labels: Test-Predator-Auto-Owner
Owner: kcwu@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/39ee9dfac1c6d286a4075c7e2435fe1cfe365bad (Fix memory leaks in lcms).

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.
Cc: -dsinclair@chromium.org kcwu@chromium.org
Owner: dsinclair@chromium.org
Owner: thestig@chromium.org
Project Member

Comment 6 by ClusterFuzz, Jan 10

ClusterFuzz has detected this issue as fixed in range 621424:621441.

Detailed report: https://clusterfuzz.com/testcase?key=5888708253057024

Fuzzer: libFuzzer_pdf_codec_icc_fuzzer
Fuzz target binary: pdf_codec_icc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  TetrahedralInterp16
  CachedXFORM
  cmsDoTransform
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=420371:420606
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=621424:621441

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5888708253057024

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 7 by ClusterFuzz, Jan 10

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5888708253057024 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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