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Issue 629839 link

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Issue metadata

Status: Fixed
Owner:
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Floating-point-exception in CStretchEngine::StartStretchHorz

Project Member Reported by ClusterFuzz, Jul 20 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4865190026018816

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  CStretchEngine::StartStretchHorz
  CFX_ImageStretcher::StartStretch
  CFX_ImageStretcher::Start
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_pdfium&range=344607:344814

Minimized Testcase (2062.80 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95GgGdNYICud8crPNqH2uTJmj_oHOe739xUohH6zD8wsePtBCFajKTiSs_cCrDFkatUdHKSwJz2qwpOGF6qxVdHlwDDDHl7h8XuqmuhlO0diEHhxSsAQIKz-CChBShDU59vZVFXJ-8q6Oxcw8Kp70ZuiYs90ZFSsyyF9rnOD7ZWczZ_BV8?testcase_id=4865190026018816

Filer: brajkumar

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Infra>Client>Pdfium
Labels: findit-for-crash Te-Logged
Owner: thestig@chromium.org
Status: Assigned (was: Available)
No CL in the regression range changes the crashed files. The result is the blame information.

Author: thestig
Project: chromium-pdfium
Changelist: https://pdfium.googlesource.com/pdfium.git/+/9febfe6373f26d9e59eb1e137b88a2aeff5dc39a
Time: Wed May 11 18:31:20 2016 -0700
The CL last changed line 1700 of file fx_agg_driver.cpp, which is stack frame 3.

Suspected Project: chromium
=============================
Thestig@: Could you please look into this issue if it is related to your change, else please help us in assigning it to the right owner.

Thanks!
Cc: brajkovic@chromium.org
Components: -Infra>Client>Pdfium Internals>Plugins>PDF
Labels: -ClusterFuzz -findit-for-crash Clusterfuzz Findit-for-crash
brajkumar: The infra component is the wrong one.
Cc: -brajkovic@chromium.org brajkumar@chromium.org
Labels: -Pri-1 Pri-2
Status: Started (was: Assigned)
And I CC'd the wrong person.
Status: Fixed (was: Started)
Project Member

Comment 6 by ClusterFuzz, Aug 2 2016

ClusterFuzz has detected this issue as fixed in range 408781:408955.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4865190026018816

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  CStretchEngine::StartStretchHorz
  CFX_ImageStretcher::StartStretch
  CFX_ImageStretcher::Start
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_pdfium&range=344607:344814
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_pdfium&range=408781:408955

Minimized Testcase (2062.80 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95GgGdNYICud8crPNqH2uTJmj_oHOe739xUohH6zD8wsePtBCFajKTiSs_cCrDFkatUdHKSwJz2qwpOGF6qxVdHlwDDDHl7h8XuqmuhlO0diEHhxSsAQIKz-CChBShDU59vZVFXJ-8q6Oxcw8Kp70ZuiYs90ZFSsyyF9rnOD7ZWczZ_BV8?testcase_id=4865190026018816

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.
Project Member

Comment 7 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

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