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Issue metadata

Status: Verified
Owner: ----
Closed: Sep 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Undefined-shift in opj_t1_decode_cblk

Project Member Reported by ClusterFuzz, Aug 15 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5129565016162304

Fuzzer: ochang_search_index_mutator
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  opj_t1_decode_cblk
  opj_t1_decode_cblks
  opj_tcd_decode_tile
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027

Minimized Testcase (19765.62 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95GUJ7hLPplr9o2wHd7n2sWOKPZMZU1g0rWHBM0nWFYPPwR7R4Wphbx2cso5DZtmEPM7dzKs4CYCcUIXupQcvjlzzCbHos-NgN-1rDfTtVyuH22wP3I_hkVPdc7YNyLKGWOydfRhOWLD7OH3UkJ3tM8OBTSXCFN6SER8LgULDVcJuhy9Hk?testcase_id=5129565016162304

Issue manually filed by: mummareddy

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: jduart@google.com jun_f...@foxitsoftware.com amineer@chromium.org noel@chromium.org
Components: Internals>Plugins>PDF
Labels: findit-wrong Te-Logged M-53
Status: Available (was: Untriaged)
Author: Jun Fang
Project: chromium-pdfium
Changelist: https://pdfium.googlesource.com/pdfium.git/+/e865ed12c4a476a4c74bf1ae97d3a6fa8ca06f0a
Time: Tue Oct 13 15:28:55 2015 +0800
The CL last changed line 1423 of file t1.c, which is stack frame 1.
Cc: och...@chromium.org
Project Member

Comment 3 by ClusterFuzz, Sep 19 2016

ClusterFuzz has detected this issue as fixed in range 416559:416564.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5129565016162304

Fuzzer: ochang_search_index_mutator
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  opj_t1_decode_cblk
  opj_t1_decode_cblks
  opj_tcd_decode_tile
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=416559:416564

Minimized Testcase (19765.62 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95GUJ7hLPplr9o2wHd7n2sWOKPZMZU1g0rWHBM0nWFYPPwR7R4Wphbx2cso5DZtmEPM7dzKs4CYCcUIXupQcvjlzzCbHos-NgN-1rDfTtVyuH22wP3I_hkVPdc7YNyLKGWOydfRhOWLD7OH3UkJ3tM8OBTSXCFN6SER8LgULDVcJuhy9Hk?testcase_id=5129565016162304

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 4 by ClusterFuzz, Sep 19 2016

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

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

Comment 5 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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