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Issue 837098 link

Starred by 2 users

Issue metadata

Status: Verified
Owner:
Closed: Jul 25
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Ill in v8::Isolate::Initialize

Project Member Reported by ClusterFuzz, Apr 26 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6072892320907264

Fuzzer: libFuzzer_v8_fully_instrumented_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Ill
Crash Address: 0x00010187da5a
Crash State:
  v8::Isolate::Initialize
  v8::Isolate::New
  Environment::Environment
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=552758:552888

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6072892320907264

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 26 2018

Components: Blink>JavaScript Build
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Apr 26 2018

Labels: Test-Predator-Auto-Owner
Owner: ahaas@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/5c9b30ae38101d89ea4d643b9b1dc087f184976e ([api] Split isolate allocation and initialization).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by bugdroid1@chromium.org, Jul 24

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/096b80037b1a139265406e21057bc77a213ce607

commit 096b80037b1a139265406e21057bc77a213ce607
Author: Andreas Haas <ahaas@chromium.org>
Date: Tue Jul 24 14:42:07 2018

[fuzzer] Add attributes to LLVMFuzzerInitialize definition

That prevents the linker from dead-stripping the function, as it is not called
directly, it is resolved in the runtime via dlsym().

I copied the change from https://crrev.com/c/833995

R=mmoroz@chromium.org

Bug:  837098 
Change-Id: I998517ebab623e67d275fe656643a8ee5fd1e951
Reviewed-on: https://chromium-review.googlesource.com/1148391
Reviewed-by: Max Moroz <mmoroz@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577532}
[modify] https://crrev.com/096b80037b1a139265406e21057bc77a213ce607/testing/libfuzzer/fuzzers/v8_fuzzer.cc

Project Member

Comment 4 by ClusterFuzz, Jul 25

ClusterFuzz has detected this issue as fixed in range 577529:577581.

Detailed report: https://clusterfuzz.com/testcase?key=6072892320907264

Fuzzer: libFuzzer_v8_fully_instrumented_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Ill
Crash Address: 0x00010187da5a
Crash State:
  v8::Isolate::Initialize
  v8::Isolate::New
  Environment::Environment
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=552758:552888
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=577529:577581

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6072892320907264

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.
Project Member

Comment 5 by ClusterFuzz, Jul 25

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6072892320907264 is verified as fixed, so closing issue as verified.

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

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