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Issue 628541 link

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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Aug 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in SuggestMgr::leftcommonsubstring

Project Member Reported by ClusterFuzz, Jul 15 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6526818920431616

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000091
Crash State:
  SuggestMgr::leftcommonsubstring
  SuggestMgr::ngsuggest
  Hunspell::suggest
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=401846:401864

Minimized Testcase (0.06 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95NT2mOesskSQsQTSPQTTSytYP2uJn9-Y-D79Hi3xsUQMHZGhUEx110LmbDrRFUotZsJLHZd9qgdJX6YJ2v7nfAyNOADp-p85bCBCh8fw7x5xx-hZ6jzaks_t1Xk42m7EHgoYLrXux97sY-9Wxvd-ZhZP-JNg?testcase_id=6526818920431616

Filer: rnimmagadda

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Tools>Test>FindIt>WrongResult
Labels: M-54 findit-wrong Te-Logged
Owner: groby@chromium.org
Status: Assigned (was: Available)
Posting this issue since this was similar to "618040" which was marked as Fixed.

@groby: Could you please have a look into this issue.

Thank you.
Project Member

Comment 2 by ClusterFuzz, Jul 29 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6451711090884608

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000091
Crash State:
  SuggestMgr::leftcommonsubstring
  SuggestMgr::ngsuggest
  Hunspell::suggest
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=401846:401864

Minimized Testcase (0.01 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97stjvs91LsQX0g2SMouYqWBDNOctC0VQjw81AUoESZNJJS8cvDuqf0AGKUqGsAcw5BMqJOjzOaOgv1mO9p0f-8yrPjVQP26UjHGfrInNnH__cQTqQGqAcaQGtPELYjhKAGGuyKWKRqYP_osCuhoO30occpPA?testcase_id=6451711090884608

Filer: rnimmagadda

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
Project Member

Comment 3 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414871:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6526818920431616

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000091
Crash State:
  SuggestMgr::leftcommonsubstring
  SuggestMgr::ngsuggest
  Hunspell::suggest
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=401846:401864
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=414871:414881

Minimized Testcase (0.06 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95NT2mOesskSQsQTSPQTTSytYP2uJn9-Y-D79Hi3xsUQMHZGhUEx110LmbDrRFUotZsJLHZd9qgdJX6YJ2v7nfAyNOADp-p85bCBCh8fw7x5xx-hZ6jzaks_t1Xk42m7EHgoYLrXux97sY-9Wxvd-ZhZP-JNg?testcase_id=6526818920431616

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 4 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414871:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6451711090884608

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000091
Crash State:
  SuggestMgr::leftcommonsubstring
  SuggestMgr::ngsuggest
  Hunspell::suggest
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=401846:401864
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=414871:414881

Minimized Testcase (0.01 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97stjvs91LsQX0g2SMouYqWBDNOctC0VQjw81AUoESZNJJS8cvDuqf0AGKUqGsAcw5BMqJOjzOaOgv1mO9p0f-8yrPjVQP26UjHGfrInNnH__cQTqQGqAcaQGtPELYjhKAGGuyKWKRqYP_osCuhoO30occpPA?testcase_id=6451711090884608

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, Aug 27 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
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 6 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414871:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6451711090884608

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000091
Crash State:
  SuggestMgr::leftcommonsubstring
  SuggestMgr::ngsuggest
  Hunspell::suggest
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=401846:401864
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=414871:414881

Minimized Testcase (0.01 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97stjvs91LsQX0g2SMouYqWBDNOctC0VQjw81AUoESZNJJS8cvDuqf0AGKUqGsAcw5BMqJOjzOaOgv1mO9p0f-8yrPjVQP26UjHGfrInNnH__cQTqQGqAcaQGtPELYjhKAGGuyKWKRqYP_osCuhoO30occpPA?testcase_id=6451711090884608

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.
Components: -Tools>Test>FindIt>WrongResult
Labels: Test-Predator-Wrong
Project Member

Comment 8 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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