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Starred by 2 users

Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Integer-overflow in MatShaperEval16

Project Member Reported by ClusterFuzz, Dec 16 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5344305997938688

Fuzzer: libfuzzer_pdf_codec_icc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  MatShaperEval16
  PrecalculatedXFORM
  IccLib_Translate
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=420535:420584

Minimized Testcase (0.74 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95rX5mfbSKwPb4dJhP2tHEF8IQmeDB-BlziXsIP6DfiyYqKkk5-WUcvvbzvV0UZEDL-KL42QvAMGE6R_ohUQ3apL1Z4mPfIludl7hMrKTaL1S7Oh8vzrguMvGO2XJyT6zUyQAWQCgLka8K99lA45QnDXugIPw?testcase_id=5344305997938688

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Cc: dsinclair@chromium.org nyerramilli@chromium.org
Components: Internals>Plugins>PDF
Labels: -Type-Bug Test-Predator-Wrong-CLs M-56 Type-Bug-Regression
Owner: brucedaw...@chromium.org
Status: Assigned (was: Untriaged)
assigning to /src/third_party/pdfium/OWNERS, requesting to check the issue and help.


Cc: brucedaw...@chromium.org
Owner: kcwu@chromium.org
kcwu@ more ICC fuzzer fun.

Comment 3 by kcwu@chromium.org, Feb 22 2017

Cc: kcwu@chromium.org
Owner: dsinclair@chromium.org
I don't have free time to help. Reassigned.
Project Member

Comment 4 by ClusterFuzz, Jul 30 2017

Detailed report: https://clusterfuzz.com/testcase?key=5503452959735808

Fuzzer: pdf_codec_icc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Crash Type: Integer-overflow
Crash Address: 
Crash State:
  MatShaperEval16
  PrecalculatedXFORM
  CCodec_IccModule::Translate
  
Sanitizer: undefined (UBSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5503452959735808


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

Comment 5 by ClusterFuzz, Jul 30 2017

Detailed report: https://clusterfuzz.com/testcase?key=5503452959735808

Fuzzer: pdf_codec_icc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Crash Type: Integer-overflow
Crash Address: 
Crash State:
  MatShaperEval16
  PrecalculatedXFORM
  CCodec_IccModule::Translate
  
Sanitizer: undefined (UBSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5503452959735808


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

Comment 6 by ClusterFuzz, Jul 30 2017

Detailed report: https://clusterfuzz.com/testcase?key=5503452959735808

Fuzzer: pdf_codec_icc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Crash Type: Integer-overflow
Crash Address: 
Crash State:
  MatShaperEval16
  PrecalculatedXFORM
  CCodec_IccModule::Translate
  
Sanitizer: undefined (UBSAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5503452959735808


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

Comment 7 by ClusterFuzz, Oct 1 2017

Labels: Test-Predator-AutoComponents
Automatically applying components based on information from OWNERS files. If this seems incorrect, please apply the Test-Predator-Wrong-Components label.

Comment 8 by mmoroz@chromium.org, Oct 24 2017

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.

(bulk edit)
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Owner: ----
Status: Untriaged (was: Assigned)
Setting PDF bugs assigned to me back to untriaged so they can get re-assigned as needed.
Owner: tsepez@chromium.org
Status: Assigned (was: Untriaged)
I didn't check this one, but I imagine it's the same case as the Tetrahedral interpolation bug.
Project Member

Comment 12 by ClusterFuzz, Oct 17

ClusterFuzz has detected this issue as fixed in range 600184:600189.

Detailed report: https://clusterfuzz.com/testcase?key=5503452959735808

Fuzzer: pdf_codec_icc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Crash Type: Integer-overflow
Crash Address: 
Crash State:
  MatShaperEval16
  PrecalculatedXFORM
  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=600184:600189

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5503452959735808

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 13 by ClusterFuzz, Oct 17

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5503452959735808 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Status: Assigned (was: Verified)
PartitionAlloc update broke the fuzzer.

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