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

Issue 702137 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 701724
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



Sign in to add a comment

Heap-buffer-overflow in v8::internal::Simulator::DecodeType2

Project Member Reported by ClusterFuzz, Mar 16 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4887047853834240

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_arm_dbg
Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 4
Crash Address: 0xd99ff7fc
Crash State:
  v8::internal::Simulator::DecodeType2
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::CallInternal
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: V8: 40662:40663

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv967IEgHiNdrjgZB_Lbj4Z3BqfCe13XoInG_x85bG1mnrqsx576TjK6qLa0csSz6Eb7mf8N3dgTxi3Fm9XY1a6FdVofgu2GuXO3MfGXagOj6NCemexZXzMBdC_SnzvOwz9_XO0v6h4by1MaWGGoX_3ZDvkTDtTOtiYYh4gLXrubozNKl20GgSP-hEXs4KI2IN94DvzdXMGZhhiHFLKHfNgsSDM9r_4OOxQfTFLGwvjrQP0ovwyj2kDdGVIX6heyv8qPjKIX2fYOLfFSXD3v845hS3fo1_gHtKj-FrupsToJux5X9QtjFpPuNr4ATkuhnjKiTAFq_th8cSb22a5jy24VoftZn7zljbs1NRZ307Hj6mcgAXUw?testcase_id=4887047853834240


Issue manually filed by: rossberg

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Mergedinto: 701724
Status: Duplicate (was: Untriaged)
Project Member

Comment 2 by sheriffbot@chromium.org, Mar 16 2017

Labels: -reward-topanel reward-ineligible
Project Member

Comment 3 by ClusterFuzz, Aug 11 2017

ClusterFuzz has detected this issue as fixed in range 47276:47277.

Detailed report: https://clusterfuzz.com/testcase?key=4887047853834240

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_arm_dbg
Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 4
Crash Address: 0xeeeff7fc
Crash State:
  v8::internal::Simulator::DecodeType2
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::CallInternal
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: V8: 40662:40663
Fixed: V8: 47276:47277

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4887047853834240

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 sheriffbot@chromium.org, Nov 18 2017

Labels: -Restrict-View-SecurityTeam 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