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Issue 704448 link

Starred by 3 users

Issue metadata

Status: Fixed
Owner:
Last visit > 30 days ago
Closed: Apr 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security

Blocking:
issue pdfium:11



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Use-of-uninitialized-value in SkRect::setBoundsCheck

Project Member Reported by ClusterFuzz, Mar 23 2017

Issue description

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Comment 1 by sheriffbot@chromium.org, Mar 23 2017

Labels: M-59
Project Member

Comment 2 by sheriffbot@chromium.org, Mar 23 2017

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

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

Comment 3 by sheriffbot@chromium.org, Mar 23 2017

Labels: Pri-1

Comment 4 by rsesek@chromium.org, Mar 23 2017

Components: Internals>Plugins>PDF
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
Blocking: pdfium:11
Cc: dsinclair@chromium.org
Owner: caryclark@google.com
Project Member

Comment 6 by ClusterFuzz, Mar 29 2017

ClusterFuzz has detected this issue as fixed in range 460139:460163.

Detailed report: https://clusterfuzz.com/testcase?key=5788002564702208

Fuzzer: tokenfuzz_pdf_curated
Job Type: linux_msan_pdfium
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  SkRect::setBoundsCheck
  SkCanvas::onDrawPatch
  SkCanvas::drawPatch
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_pdfium&range=458746:458879
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_pdfium&range=460139:460163

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv96DQaL9gMo2ziAdoE78wiXlQc1caB5RCoKReVypH-Pw2hshVJGmwGJfLQrnEcsBfztwfSAkqNX_wvtV7RJS59XzZjt8rLntEutMksscTfCAbQh4vW40mpANaQ_JVLJTtMhNP7pZaZgUdQL_fjOOttf-Z13WOeQgF0VhCmkmb1XCxm_Viz6kLAzbOASQxfbubaKSgU4AybcIZAN52TDRt8_PB57JYNj_hLj0IE4jltGi3Smahd1Gjw-fbYqo2TEmuLBP_zG5K9Lg9lWHG4ijDiBKYymysomyFzNobXWhoA3GhWjIU6jBl9nPByEteh_mCgP9kh416aeYsD5ZduDzZ_-fkorDJtfxu0LVe_dnxU2SMNuYUvVanmgFYEVvt3h0Qd8mpMX-mv4DG5xktrx9DvnljMxXIw?testcase_id=5788002564702208


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
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Comment 7 by ClusterFuzz, Mar 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5788002564702208 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Labels: -ReleaseBlock-Beta -Security_Impact-Head -M-59 Security_Impact-None ClusterFuzz-Wrong
Status: Assigned (was: Verified)
The skia paths code was disabled but this will still exist if it's re-enabled.
Status: Fixed (was: Assigned)
Fixed in https://pdfium-review.googlesource.com/4090
Project Member

Comment 10 by sheriffbot@chromium.org, Apr 17 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 11 by sheriffbot@chromium.org, Jul 24 2017

Labels: -Restrict-View-SecurityNotify 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
Labels: -ClusterFuzz-Wrong
We have made a bunch of changes on ClusterFuzz side, so resetting ClusterFuzz-Wrong label.

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