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Issue 661432 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Closed: Dec 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-after-poison in void blink::TraceTrait<blink::HeapHashTableBacking<WTF::HashTable<blink::WeakMem

Project Member Reported by ClusterFuzz, Nov 2 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5303118642544640

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Use-after-poison READ 4
Crash Address: 0xb2228270
Crash State:
  void blink::TraceTrait<blink::HeapHashTableBacking<WTF::HashTable<blink::WeakMem
  blink::ThreadHeap::processMarkingStack
  blink::ThreadState::collectGarbage
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=419134:419140

Minimized Testcase (26.87 Kb): https://cluster-fuzz.appspot.com/download/AMIfv964aY_-ESzb7j-3fTli0RqxKxLoV-KXao_F5mEU13vzhwrYk4W7GAlB9WSMx90j2ZmNq74spNa35VL-L8P198uaNU3Tr-bWb-eOP7-5qh10R2uQHi3lS9Xn_JmZ2_EizubBYL-gqCZUhzr7jWLgZaF42LRdsp3BRscT8K-ADXNedFwVexY?testcase_id=5303118642544640

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, Nov 2 2016

Labels: Pri-1
Cc: mlippautz@chromium.org l...@chromium.org
Components: Blink>MemoryAllocator
Labels: Security_Impact-Head
Owner: l...@chromium.org
Status: Assigned (was: Untriaged)
lpy can you take a look?  The regressed range is inconclusive -- this is probably a preexisting bug that was uncovered by a memory layout change in  56.0.2885.0


Comment 4 by l...@chromium.org, Nov 8 2016

Cc: -l...@chromium.org hpayer@chromium.org
Owner: mlippautz@chromium.org
I am not sure about it, since I don't have recent changes related to it if I understand correctly. Deassign myself, reassign to mlippautz@ who is one of the experts in V8 GC, also cc hpayer@.
Owner: haraken@chromium.org
Cc: haraken@chromium.org
Owner: keishi@chromium.org
Project Member

Comment 7 by sheriffbot@chromium.org, Nov 8 2016

Labels: M-56
Project Member

Comment 8 by sheriffbot@chromium.org, Nov 8 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 9 by sheriffbot@chromium.org, Nov 16 2016

keishi: Uh oh! This issue still open and hasn't been updated in the last 14 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

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

Comment 10 by sheriffbot@chromium.org, Nov 30 2016

keishi: Uh oh! This issue still open and hasn't been updated in the last 28 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Status: WontFix (was: Assigned)
No longer reproducible, and not seeing any new instances of it on CF. Closing...
Project Member

Comment 12 by sheriffbot@chromium.org, Mar 10 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

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