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Issue 707221 link

Starred by 1 user

Issue metadata

Status: Fixed
Owner:
OOO until 2019-02-10
Closed: Apr 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Global-buffer-overflow in MemoryRead<unsigned

Project Member Reported by ClusterFuzz, Mar 31 2017

Issue description

Comment 1 by ta...@google.com, Apr 1 2017

Labels: Pri-2
Owner: petermarshall@chromium.org
Status: Assigned (was: Untriaged)
This looks similar to 685020.
Project Member

Comment 2 by sheriffbot@chromium.org, Apr 1 2017

Labels: M-59
Project Member

Comment 3 by sheriffbot@chromium.org, Apr 1 2017

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 4 by sheriffbot@chromium.org, Apr 1 2017

Labels: -Pri-2 Pri-1
Project Member

Comment 5 by ClusterFuzz, Apr 4 2017

ClusterFuzz has detected this issue as fixed in range 44342:44343.

Detailed report: https://clusterfuzz.com/testcase?key=5744206682521600

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_arm64_dbg
Platform Id: linux

Crash Type: Global-buffer-overflow READ 8
Crash Address: 0x7ff67bbbe767
Crash State:
  MemoryRead<unsigned
  v8::internal::Simulator::LoadStoreHelper
  ExecuteInstruction
  
Sanitizer: address (ASAN)

Regressed: V8: 44294:44295
Fixed: V8: 44342:44343

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95FFDjqZaJjBq6_1CDZRY1N8dMHgG1zqMZgaAyRUxdhShdaWCRetkMZrNH6yCnZJ5XqJBa1lRp6nsWtgaL28LW2WYgKZu6GsE-TvZvHg6uM9erC2zdUwU5_ogv_jCCCJmOVrwA5D7hHMfFggE5i09bo-DpmKdnVILLMY9qrQsAAfoJchH4fyGMA59mhdzmSCN-ICS0APFnQBWfP9IGQNvTe8rGWwjGvsNS2uexomBxDZKkfVvNfyEr9hP5gj4tHpBAQJ9DGHFzCZNuhOGB0BsYA4JEdFLdUQECgHaNON10-3xJHjtuDRIehxL391x_39ClYqIyziMFTgAmK5BY_AZDcoRL-fn02wTzwKWKm-AC5RbYLeAZhi1-DNh4a8SIa2b2T-fw4u5zo3jr263_tRtf-8UfTnQ?testcase_id=5744206682521600


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.
Status: Fixed (was: Assigned)
Project Member

Comment 7 by sheriffbot@chromium.org, Apr 4 2017

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

Comment 9 by awhalley@google.com, Apr 11 2017

Labels: -reward-topanel reward-NA
Project Member

Comment 10 by sheriffbot@chromium.org, Jul 11 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

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