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Issue 739186 link

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Issue metadata

Status: Verified
Owner:
Closed: Jul 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security

Blocked on:
issue 738952



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Crash in MemoryRead<unsigned

Project Member Reported by ClusterFuzz, Jul 4 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5300235206393856

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8_v8_arm64_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7f68a6f5b000
Crash State:
  MemoryRead<unsigned
  v8::internal::Simulator::LoadStoreHelper
  v8::internal::Simulator::ExecuteInstruction
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: V8: 45632:45633

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5300235206393856


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: mstarzinger@chromium.org
Status: Assigned (was: Untriaged)
+mstarzinger@,
Could you take a look at this crash since you're more familiar with v8 code?

Please feel free to re-assign
Blockedon: 738952
Cc: ahaas@chromium.org
Components: -Blink>JavaScript Blink>JavaScript>WebAssembly
Owner: clemensh@chromium.org
Looks like a dupe.
Project Member

Comment 3 by sheriffbot@chromium.org, Jul 5 2017

Labels: M-61
Project Member

Comment 4 by sheriffbot@chromium.org, Jul 5 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 5 by sheriffbot@chromium.org, Jul 5 2017

Labels: Pri-1
Project Member

Comment 6 by sheriffbot@chromium.org, Jul 6 2017

Labels: M-61
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 6 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 8 by ClusterFuzz, Jul 7 2017

ClusterFuzz has detected this issue as fixed in range 46439:46440.

Detailed report: https://clusterfuzz.com/testcase?key=5300235206393856

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8_v8_arm64_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7fb59d88e000
Crash State:
  MemoryRead<unsigned
  v8::internal::Simulator::LoadStoreHelper
  v8::internal::Simulator::ExecuteInstruction
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: V8: 45632:45633
Fixed: V8: 46439:46440

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5300235206393856


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 9 by ClusterFuzz, Jul 7 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5300235206393856 is verified as fixed, so closing issue.

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

Comment 10 by sheriffbot@chromium.org, Jul 7 2017

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

Comment 12 by sheriffbot@chromium.org, Oct 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

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