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Issue 892435 link

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Issue metadata

Status: Verified
Owner:
Closed: Oct 6
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in multi-return.cc

Project Member Reported by ClusterFuzz, Oct 4

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5513763179200512

Fuzzer: libFuzzer_v8_multi_return_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000bf
Crash State:
  multi-return.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=596733:596743

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5513763179200512

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
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Comment 1 by ClusterFuzz, Oct 4

Components: Blink>JavaScript
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, Oct 4

Labels: Test-Predator-Auto-Owner
Owner: sigurds@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/52bd944db8c1a0cf7e15adf28878b0fc69d1a316 ([wasm,test] Pass correct code kind in Wasm tests).

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, Oct 5

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/b79147d5f27558c006693badebef02006227bd10

commit b79147d5f27558c006693badebef02006227bd10
Author: Sigurd Schneider <sigurds@chromium.org>
Date: Fri Oct 05 10:49:10 2018

[multi-return-fuzzer] Fix clusterfuzz issue in test

Change-Id: I20ee0d411155e23d87c731f0d909b14c55088c4c

R=ahaas@chromium.org
Also-By: ahaas@chromium.org

Bug:  chromium:892435 
Change-Id: I70ca2982ea0ddc39fecfbab983a7295707fe8873
Reviewed-on: https://chromium-review.googlesource.com/c/1264283
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56407}
[modify] https://crrev.com/b79147d5f27558c006693badebef02006227bd10/test/fuzzer/multi-return.cc

Project Member

Comment 4 by ClusterFuzz, Oct 6

ClusterFuzz has detected this issue as fixed in range 597146:597164.

Detailed report: https://clusterfuzz.com/testcase?key=5513763179200512

Fuzzer: libFuzzer_v8_multi_return_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000bf
Crash State:
  multi-return.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=596733:596743
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=597146:597164

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5513763179200512

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, Oct 6

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5513763179200512 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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