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Issue metadata

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



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Crash in v8_fuzzer::FuzzerSupport::GetIsolate

Project Member Reported by ClusterFuzz, Sep 23 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5990400617873408

Fuzzer: libfuzzer_v8_wasm_code_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: UNKNOWN READ
Crash Address: 0x000000000010
Crash State:
  v8_fuzzer::FuzzerSupport::GetIsolate
  ExecuteCallback
  RunOne
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_libfuzzer_chrome_asan&range=420351:420359

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94ALHA5zZas3WQ6xtYfEOg86gymczXDXbfzDlT_oMEZyhRx8u66alrfy2JP5s-0GuBNez57aBSGj-W4oR6APXdmoSR2foEzPoY_pCOKS04S_DswOxOsigLtetcT0zQdVyofPibtTctJDHCl2MnmgT7Mgeu2Qg?testcase_id=5990400617873408

Issue manually filed by: brajkumar

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Blink>JavaScript
Labels: Findit-for-crash Te-Logged
Owner: ahaas@chromium.org
Status: Assigned (was: Untriaged)
Providing Findit details for internal purpose:
Suspected CLs	
---------------
The result is a list of CLs that change the crashed files.

Author: ahaas
Project: chromium-v8
Changelist: https://chromium.googlesource.com/v8/v8.git/+/78b048c0773380b2cc602a38cce09d68c5ac6274
Time: Thu Sep 22 12:54:52 2016
File wasm-code.cc is changed in this cl (and is part of stack frame #1, "LLVMFuzzerTestOneInput")
Minimum distance from crash line to modified line: 3. (file: wasm-code.cc, crashed on: 21, modified: 18).

Suspected Project: chromium-v8

ahaas@, Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.
Project Member

Comment 2 by ClusterFuzz, Sep 27 2016

ClusterFuzz has detected this issue as fixed in range 420826:420831.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5990400617873408

Fuzzer: libfuzzer_v8_wasm_code_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: UNKNOWN READ
Crash Address: 0x000000000010
Crash State:
  v8_fuzzer::FuzzerSupport::GetIsolate
  ExecuteCallback
  RunOne
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_libfuzzer_chrome_asan&range=420351:420359
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_libfuzzer_chrome_asan&range=420826:420831

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94ALHA5zZas3WQ6xtYfEOg86gymczXDXbfzDlT_oMEZyhRx8u66alrfy2JP5s-0GuBNez57aBSGj-W4oR6APXdmoSR2foEzPoY_pCOKS04S_DswOxOsigLtetcT0zQdVyofPibtTctJDHCl2MnmgT7Mgeu2Qg?testcase_id=5990400617873408

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 3 by ClusterFuzz, Sep 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 4 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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