New issue
Advanced search Search tips

Issue 772194 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug-Security



Sign in to add a comment

Heap-use-after-free in base::internal::WeakReference::is_valid

Project Member Reported by ClusterFuzz, Oct 5 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6100500771766272

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x60300009b785
Crash State:
  base::internal::WeakReference::is_valid
  content::HtmlVideoElementCapturerSource::sendNewFrame
  base::debug::TaskAnnotator::RunTask
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=506452:506506

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6100500771766272

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 6 2017

Labels: OS-Mac
Project Member

Comment 2 by ClusterFuzz, Oct 6 2017

Components: Internals>Core
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.
Project Member

Comment 3 by ClusterFuzz, Oct 6 2017

Labels: Test-Predator-AutoOwner
Owner: guidou@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/a443faa044b0e1472b36d35aaf425ae0ee6b2ac5 (Element capture: Do not check cross origin for elements with srcObject.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Labels: Pri-1
Project Member

Comment 5 by sheriffbot@chromium.org, Oct 6 2017

Labels: M-63
Project Member

Comment 6 by sheriffbot@chromium.org, Oct 6 2017

Labels: ReleaseBlock-Stable
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Cc: emir...@chromium.org
Status: Fixed (was: Assigned)
r506465 reverts the culprit CL. More details in  bug 771388 .
Labels: allpublic
Making it public, since this was just a recent regression.
Labels: -Restrict-View-SecurityTeam
Project Member

Comment 12 by ClusterFuzz, Oct 7 2017

ClusterFuzz has detected this issue as fixed in range 507089:507129.

Detailed report: https://clusterfuzz.com/testcase?key=6100500771766272

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x60300009b785
Crash State:
  base::internal::WeakReference::is_valid
  content::HtmlVideoElementCapturerSource::sendNewFrame
  base::debug::TaskAnnotator::RunTask
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=506452:506506
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=507089:507129

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6100500771766272

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 13 by ClusterFuzz, Oct 7 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 6100500771766272 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Both regressed and fixed in M63, removing ReleaseBlock-Stable
Labels: -ReleaseBlock-Stable
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Project Member

Comment 18 by sheriffbot@chromium.org, Mar 27 2018

Labels: -Security_Impact-Head -M-63 M-65 Security_Impact-Stable

Sign in to add a comment