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Issue 779803 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 778668
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Crash in v8::internal::Simulator::DecodeTypeImmediate

Project Member Reported by ClusterFuzz, Oct 30 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5666722152710144

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0xcbe319c8
Crash State:
  v8::internal::Simulator::DecodeTypeImmediate
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::CallInternal
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_v8_mipsel_dbg&range=48861:48862

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5666722152710144

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 31 2017

Labels: Test-Predator-AutoOwner
Owner: danno@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/b590679496e829fd2f88ba4494072f0196c979de (Activate CSA implementation of Array.prototype.slice).

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

Comment 2 by sheriffbot@chromium.org, Oct 31 2017

Labels: Pri-1
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Labels: Security_Impact-Head M-64
Project Member

Comment 5 by sheriffbot@chromium.org, Nov 9 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
Project Member

Comment 6 by ClusterFuzz, Nov 11 2017

ClusterFuzz has detected this issue as fixed in range 49300:49301.

Detailed report: https://clusterfuzz.com/testcase?key=5666722152710144

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0xcbe319c8
Crash State:
  v8::internal::Simulator::DecodeTypeImmediate
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::CallInternal
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_v8_mipsel_dbg&range=48861:48862
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8_v8_mipsel_dbg&range=49300:49301

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5666722152710144

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 7 by ClusterFuzz, Nov 11 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5666722152710144 is verified as fixed, so closing issue as verified.

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

Comment 8 by sheriffbot@chromium.org, Nov 11 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify

Comment 9 by wfh@chromium.org, Nov 15 2017

Mergedinto: 778668
Status: Duplicate (was: Verified)
same root cause as  issue 778668 
Project Member

Comment 10 by sheriffbot@chromium.org, Nov 16 2017

Labels: -reward-topanel reward-ineligible
Project Member

Comment 11 by sheriffbot@chromium.org, Feb 24 2018

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

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