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Issue 831231 link

Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in mojo::ScopedHandleBase<mojo::MessagePipeHandle>::is_valid

Project Member Reported by ClusterFuzz, Apr 10 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5409894006784000

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000a0
Crash State:
  mojo::ScopedHandleBase<mojo::MessagePipeHandle>::is_valid
  mojo::internal::InterfacePtrStateBase::is_bound
  content::ThrottlingURLLoader::FollowRedirect
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=548787:548789

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5409894006784000

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Apr 10 2018

Components: Internals>Core Internals>Mojo
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 10 2018

Cc: jcivelli@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Move replaying of redirects and response started to ResourceDispatcher by jcivelli@google.com - https://chromium.googlesource.com/chromium/src/+/a9d4f3475db7300488ccf1c4d2f0cfb7ce9ef1fd

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Apr 11 2018

ClusterFuzz has detected this issue as fixed in range 549649:549652.

Detailed report: https://clusterfuzz.com/testcase?key=5409894006784000

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000a0
Crash State:
  mojo::ScopedHandleBase<mojo::MessagePipeHandle>::is_valid
  mojo::internal::InterfacePtrStateBase::is_bound
  content::ThrottlingURLLoader::FollowRedirect
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=548787:548789
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=549649:549652

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5409894006784000

See https://github.com/google/clusterfuzz-tools 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 4 by ClusterFuzz, Apr 11 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5409894006784000 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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