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Issue 674020 link

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Issue metadata

Status: Duplicate
Merged: issue 642853
Owner:
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Undefined-shift in uprv_decNumberFromString_58

Project Member Reported by ClusterFuzz, Dec 14 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6673057235337216

Fuzzer: libfuzzer_icu_number_format_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  uprv_decNumberFromString_58
  icu_58::DigitList::set
  icu_58::DecimalFormat::subparse
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=397764:398208

Minimized Testcase (0.01 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97DqWRMEA_bdfX7ZRYExIqGDmHqIj3l1bOlSK78F6e9RfgMF-NZKeM8B0rqXC9TWPqm_qGrRQiU6nLTiWN52MBpyN6DiU7xbKPsRXpjwhrlWEMGju2wzIpzoHZQvUWP94rjIQRoZPyt8Wnl5IBHUsxCreQpKg?testcase_id=6673057235337216
2e7777716777


Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Labels: Test-Predator-Wrong M-55
Cc: msrchandra@chromium.org
Owner: js...@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the concern owner who might be related to icu update.
@jshin -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Comment 3 by js...@chromium.org, May 16 2017

Mergedinto: 642853
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Dec 20 2017

ClusterFuzz has detected this issue as fixed in range 525156:525174.

Detailed report: https://clusterfuzz.com/testcase?key=6673057235337216

Fuzzer: libFuzzer_icu_number_format_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  uprv_decNumberFromString_59
  icu_59::DigitList::set
  icu_59::DecimalFormat::subparse
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=397764:398208
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=525156:525174

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6673057235337216

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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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