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Issue 773426 link

Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 2
Type: Bug

Blocking:
issue 749793



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Stack-overflow in Parser::ParseList

Project Member Reported by ClusterFuzz, Oct 10 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6476799096913920

Fuzzer: libFuzzer_gn_parser_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Stack-overflow
Crash Address: 0x7fff5c0aae88
Crash State:
  Parser::ParseList
  Parser::IdentifierOrCall
  Parser::Name
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=474421:474474

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6476799096913920

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 10 2017

Labels: OS-Linux
Project Member

Comment 2 by ClusterFuzz, Oct 10 2017

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

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Cc: kkaluri@chromium.org
Labels: -Pri-1 M-62 CF-NeedsTriage Test-Predator-Wrong-CLs Pri-2
Unable to provide possible suspect using Predator, CL and Code Search.
Could someone please look into the issue.

Thank You.
Blocking: 749793
Cc: mmoroz@chromium.org
Labels: -CF-NeedsTriage
I assume this issue is blocking https://bugs.chromium.org/p/chromium/issues/detail?id=749793

Comment 5 by mmoroz@chromium.org, Oct 24 2017

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.
Project Member

Comment 6 by bugdroid1@chromium.org, Oct 30 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/697f302d91e7ad4466416ab22c290c7fea9c6b93

commit 697f302d91e7ad4466416ab22c290c7fea9c6b93
Author: Penny MacNeil <pennymac@chromium.org>
Date: Mon Oct 30 21:29:41 2017

[GN fuzzer] Stack overflow fix.

Fuzzathon 2017.

Bug:  648076 , 749793 , 773426 , 768111 , 754972 , 734401 , 734200 
Change-Id: Ic608c5a374252809443a879ad4e2ddf8f6184697
Reviewed-on: https://chromium-review.googlesource.com/736159
Commit-Queue: Penny MacNeil <pennymac@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Max Moroz <mmoroz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#512626}
[modify] https://crrev.com/697f302d91e7ad4466416ab22c290c7fea9c6b93/tools/gn/parser_fuzzer.cc

Project Member

Comment 7 by ClusterFuzz, Oct 31 2017

ClusterFuzz has detected this issue as fixed in range 512621:512725.

Detailed report: https://clusterfuzz.com/testcase?key=6476799096913920

Fuzzer: libFuzzer_gn_parser_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Stack-overflow
Crash Address: 0x7fff5c0aae88
Crash State:
  Parser::ParseList
  Parser::IdentifierOrCall
  Parser::Name
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=474421:474474
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=512621:512725

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6476799096913920

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 8 by ClusterFuzz, Oct 31 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6476799096913920 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components

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