New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 676914 link

Starred by 2 users

Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



Sign in to add a comment

Undefined-shift in T_UConverter_toUnicode_UTF32_LE

Project Member Reported by ClusterFuzz, Dec 24 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4587888026320896

Fuzzer: libfuzzer_libxml_xml_read_memory_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  T_UConverter_toUnicode_UTF32_LE
  _UTF32ToUnicodeWithOffsets
  _toUnicodeWithCallback
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=395640:395746

Minimized Testcase (4.13 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94fk1nUVr5okmUpY9p0FMDtztUMH5eFhJ__HL0xiKuTfDhCYr92qjC1HeiHQQmF_mBMLJzMFZrLAlFADceZJx8P6ii_Gl-Sf_slnhT8G06WGGAEz4W_MgakTtb0iSSZ1D8T9cumPVYLyR356jxBzMLHQdQ3NQ?testcase_id=4587888026320896

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
 Issue 676917  has been merged into this issue.
Cc: dominicc@chromium.org veill...@gmail.com aizatsky@chromium.org js...@chromium.org scottmg@chromium.org mmoroz@google.com ddkil...@apple.com
Components: UI>Internationalization
Labels: Test-Predator-Wrong M-56
Could someone please look into this issue?
Thank you.
Cc: -js...@chromium.org -dominicc@chromium.org -mmoroz@google.com -aizatsky@chromium.org
Components: -UI>Internationalization Blink>XML
Owner: dominicc@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, May 15 2017

ClusterFuzz has detected this issue as fixed in range 471619:471628.

Detailed report: https://clusterfuzz.com/testcase?key=4587888026320896

Fuzzer: libfuzzer_libxml_xml_read_memory_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  T_UConverter_toUnicode_UTF32_LE
  _UTF32ToUnicodeWithOffsets
  _toUnicodeWithCallback
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=395640:395746
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=471619:471628

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4587888026320896


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 5 by ClusterFuzz, May 15 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4587888026320896 is verified as fixed, so closing issue.

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

Sign in to add a comment