New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 676886 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Jan 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



Sign in to add a comment

Crash in v8::internal::FixedArray::set

Project Member Reported by ClusterFuzz, Dec 24 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4685519603892224

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_v8_arm_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0xd9d0001c
Crash State:
  v8::internal::FixedArray::set
  v8::internal::WasmInstanceWrapper::New
  v8::internal::WasmInstanceObject::New
  
Recommended Security Severity: Medium

Regressed: V8: r41916:41917

Minimized Testcase (1.21 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96DNvLW2ybMadax5MSq-3wtieDDjAGuXF0hgxDV7dk4KETUQcjutQGsDBOdjT9jZYyotD_HAnLkwASGi9GWKLdK-I4UfPm369hSOTNwxzPIVZehICrSfAjykFttB2apG7a5DBvD9t5WICJihA9_kS5ig9Mb5w?testcase_id=4685519603892224

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, Dec 25 2016

Labels: M-57
Project Member

Comment 2 by sheriffbot@chromium.org, Dec 25 2016

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

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 3 by sheriffbot@chromium.org, Dec 25 2016

Labels: Pri-1
Project Member

Comment 4 by sheriffbot@chromium.org, Dec 26 2016

Labels: M-57
Components: Blink>JavaScript>WebAssembly
Owner: bradnelson@chromium.org
Status: Assigned (was: Untriaged)
Hi Brad,

Can you help get this security bug assigned to an appropriate person?
SEGV caused by READ memory address when creating a new WasmInstance*.

Thanks!
Project Member

Comment 6 by ClusterFuzz, Jan 5 2017

ClusterFuzz has detected this issue as fixed in range 42075:42076.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4685519603892224

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_v8_arm_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0xd9d0001c
Crash State:
  v8::internal::FixedArray::set
  v8::internal::WasmInstanceWrapper::New
  v8::internal::WasmInstanceObject::New
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: V8: r41916:41917
Fixed: V8: r42075:42076

Minimized Testcase (1.21 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96DNvLW2ybMadax5MSq-3wtieDDjAGuXF0hgxDV7dk4KETUQcjutQGsDBOdjT9jZYyotD_HAnLkwASGi9GWKLdK-I4UfPm369hSOTNwxzPIVZehICrSfAjykFttB2apG7a5DBvD9t5WICJihA9_kS5ig9Mb5w?testcase_id=4685519603892224

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 7 by ClusterFuzz, Jan 5 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4685519603892224 is verified as fixed, so closing issue.

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

Comment 8 by sheriffbot@chromium.org, Jan 5 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ReleaseBlock-Beta
Project Member

Comment 10 by sheriffbot@chromium.org, Apr 13 2017

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Sign in to add a comment