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Issue 781530 link

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Issue metadata

Status: Duplicate
Merged: issue 781529
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Crash in HintTableForFuzzing::Fuzz

Project Member Reported by ClusterFuzz, Nov 4 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5313006765604864

Fuzzer: libFuzzer_pdf_hint_table_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x0007fffffff0
Crash State:
  HintTableForFuzzing::Fuzz
  _start
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=514029:514033

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5313006765604864

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 4 2017

Components: Internals>Plugins>PDF
Labels: Test-Predator-AutoComponents
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 sheriffbot@chromium.org, Nov 5 2017

Labels: M-64
Project Member

Comment 3 by sheriffbot@chromium.org, Nov 5 2017

Labels: ReleaseBlock-Stable
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 4 by sheriffbot@chromium.org, Nov 5 2017

Labels: Pri-1
Cc: art-sn...@yantex-team.ru
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
This is probably due to: https://pdfium.googlesource.com/pdfium/+/33591752d2cb14f2e07726ca52afce6efbdc07c9
Mergedinto: 781529
Status: Duplicate (was: Assigned)
Project Member

Comment 7 by ClusterFuzz, Nov 7 2017

ClusterFuzz has detected this issue as fixed in range 514159:514192.

Detailed report: https://clusterfuzz.com/testcase?key=5313006765604864

Fuzzer: libFuzzer_pdf_hint_table_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x0007fffffff0
Crash State:
  HintTableForFuzzing::Fuzz
  _start
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=514029:514033
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=514159:514192

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5313006765604864

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.
Labels: Test-Predator-Auto-CC
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-Auto-CC
Project Member

Comment 11 by sheriffbot@chromium.org, Mar 1 2018

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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