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Issue metadata

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



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Crash in v8::internal::HeapObject::SizeFromMap

Project Member Reported by ClusterFuzz, Oct 28 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5220993552613376

Fuzzer: decoder_langfuzz
Job Type: linux_asan_chrome_v8_d8
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::HeapObject::SizeFromMap
  v8::internal::MarkCompactCollector::EmptyMarkingDeque
  v8::internal::Isolate::Iterate
  
Regressed: V8: r40632:40642

Minimized Testcase (9.82 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96b60sKoTVjfd1l6aUCatI7I__h9PV7TfqW7SxUMw4HJ_lRAF6exzdE8tfLsOif88SAjt7e7s2UTaKrGEnGkeCnVWtID2Os3S41bdMyehS3KGkpa1tQQ0-BKhVv5S8GgpBP1KRNmn_OcwcqnTtrkjfGwv11fA?testcase_id=5220993552613376

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, Oct 29 2016

ClusterFuzz has detected this issue as fixed in range 40642:40656.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5220993552613376

Fuzzer: decoder_langfuzz
Job Type: linux_asan_chrome_v8_d8
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::HeapObject::SizeFromMap
  v8::internal::MarkCompactCollector::EmptyMarkingDeque
  v8::internal::Isolate::Iterate
  
Regressed: V8: r40632:40642
Fixed: V8: r40642:40656

Minimized Testcase (9.82 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96b60sKoTVjfd1l6aUCatI7I__h9PV7TfqW7SxUMw4HJ_lRAF6exzdE8tfLsOif88SAjt7e7s2UTaKrGEnGkeCnVWtID2Os3S41bdMyehS3KGkpa1tQQ0-BKhVv5S8GgpBP1KRNmn_OcwcqnTtrkjfGwv11fA?testcase_id=5220993552613376

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 2 by ClusterFuzz, Oct 29 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
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 3 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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