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Issue 663995 link

Starred by 2 users
Status: WontFix
Owner:
dsinclair@chromium.org
Closed: Sep 2017
Cc:
ivancic@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in pp::Size::Enlarge

Project Member Reported by ClusterFuzz, Nov 10 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6326951657865216

Fuzzer: tokenfuzz_pdf_curated
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  pp::Size::Enlarge
  chrome_pdf::PDFiumEngine::LoadPageInfo
  chrome_pdf::PDFiumEngine::ContinueLoadingDocument
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027

Minimized Testcase (3015.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94a0Pfar0EhnHew8GZ3dptxBpXbXi0NHB3uoxwb2vWIzpLdi0GjRyw5dm7Uh2kQMIrM-PFZMy5F39PZ9rR7wyR8RJV4mpaIBOalJ3-lcBrjso0YhSt61QuEzjLdsYPvXpPFNn05v0Sg-6Xb89YrTsNM8o0U0bhtAv2_MxIsws4z_zWpRgw?testcase_id=6326951657865216

Issue filed automatically.

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

Comment 1 by mummare...@chromium.org, Nov 10 2016

Components: Internals>Plugins>PDF
Labels: Test-Predator-Wrong M-55
Owner: thestig@chromium.org
Status: Assigned (was: Untriaged)
Suspected CL is 
https://chromium.googlesource.com/chromium/src/+/b83a3aed0a28d2f33d8bf54504f4a5a250e96d25
thestig@, could you please take a look and help us to find correct owner if it is not related your changes.

Comment 2 by thestig@chromium.org, Nov 22 2016

Owner: dsinclair@chromium.org
Punting PDF security-ish bugs.
Project Member

Comment 3 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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

Comment 4 by ClusterFuzz, Sep 23 2017

Status: WontFix (was: Assigned)
ClusterFuzz testcase 6326951657865216 is flaky and no longer crashes, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
►

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