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Issue metadata

Status: Verified
Owner:
Closed: Apr 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Crash in v8::internal::Map::Normalize

Project Member Reported by ClusterFuzz, Apr 10 2017

Issue description

Components: Blink>JavaScript
Labels: Test-Predator-Correct-CLs M-59
Owner: verwa...@chromium.org
Status: Assigned (was: Untriaged)
The result is a list of CLs that change the crashed files. 

Author: Toon Verwaest
Project: chromium-v8
Changelist: https://chromium.googlesource.com/v8/v8.git/+/fcdc737fa59fd821963c6cabfcb1d4fd21a94763
Time: Tue Mar 28 12:29:53 2017
Lines 5650-5651 of file objects.cc which potentially caused crash are changed in this cl (frame #3, "v8::internal::JSObject::NormalizeProperties").
Minimum distance from crash line to modified line: 0. (file: objects.cc, crashed on: 5650, modified: 5650).
Project Member

Comment 2 by ClusterFuzz, Apr 11 2017

ClusterFuzz has detected this issue as fixed in range 463222:463227.

Detailed report: https://clusterfuzz.com/testcase?key=5373159407878144

Fuzzer: lcamtuf_cross_fuzz
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: UNKNOWN READ
Crash Address: 0x000000000027
Crash State:
  v8::internal::Map::Normalize
  v8::internal::JSObject::NormalizeProperties
  v8::internal::LookupIterator::Delete
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=458746:463137
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=463222:463227

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv94WH2gdJul4SNsnWoLHLLaF5jrNzJfdtS-n-v_ZRwbCOcFLLv-VDgs6jAY72hxlwq0ceLN090uM93RrPJnwvDkXCzG1f6tVgSCl4aELvkZSW3ZbuLhEn9TIiJHmz_K39Tp8NfdL5S1MnyBdO3J7IOuK8IAhu8Mefh1NT5pgctuioN6IRULq_hcHWtcPpDOqVb6NTwoXv--zoEcCqxhE6Jmkrh87VZ1AP3RrnITHUUheGxq4dys0cR2YbdjzMtb9rk1Pkpiq5wCz71yZyooz4RiPIL8OeLp066UWh3v6mBdggeQ6Z9NmayAcBEb0_2qmn5kYfhReCewoNeGCJnzc7wxJYutVBF1kGLKoUTsOQwo7LWCHfmU?testcase_id=5373159407878144


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 3 by ClusterFuzz, Apr 11 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5373159407878144 is verified as fixed, so closing issue.

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

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