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Issue 654308 link

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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Oct 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-use-after-free in v8::internal::wasm::ThreadImpl::DoBreak

Project Member Reported by ClusterFuzz, Oct 10 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4799876569497600

Fuzzer: afl_v8_wasm_code_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x625000015bf0
Crash State:
  v8::internal::wasm::ThreadImpl::DoBreak
  v8::internal::wasm::ThreadImpl::Execute
  v8::internal::wasm::ThreadImpl::Run
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=421457:421501

Minimized Testcase (0.02 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97HDduL5peUy1U0XXOHyAFYpXywErEJX9m1E_Tjor5RwC-UVYzwGlBHtrSr09-x_kRuswUsNi3E2Kpa9cHarW2blvL87DT_Cf348aaFzAR_PExMuNn67zjCjJDIYy83MsLCKBliGd7PqxHq5cXiw9kmY6GTCQ?testcase_id=4799876569497600

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, Oct 10 2016

Labels: M-55
Project Member

Comment 2 by sheriffbot@chromium.org, Oct 10 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 3 by sheriffbot@chromium.org, Oct 10 2016

Labels: Pri-1

Comment 4 by tsepez@chromium.org, Oct 10 2016

Cc: bradnelson@chromium.org
Components: Blink>JavaScript
Labels: M-55
Status: Assigned (was: Untriaged)
Another asm-wasm issue.

Comment 5 by tsepez@chromium.org, Oct 10 2016

Owner: bradnelson@chromium.org
Project Member

Comment 6 by ClusterFuzz, Oct 12 2016

ClusterFuzz has detected this issue as fixed in range 424375:424402.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4799876569497600

Fuzzer: afl_v8_wasm_code_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x625000015bf0
Crash State:
  v8::internal::wasm::ThreadImpl::DoBreak
  v8::internal::wasm::ThreadImpl::Execute
  v8::internal::wasm::ThreadImpl::Run
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=421457:421501
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=424375:424402

Minimized Testcase (0.02 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97HDduL5peUy1U0XXOHyAFYpXywErEJX9m1E_Tjor5RwC-UVYzwGlBHtrSr09-x_kRuswUsNi3E2Kpa9cHarW2blvL87DT_Cf348aaFzAR_PExMuNn67zjCjJDIYy83MsLCKBliGd7PqxHq5cXiw9kmY6GTCQ?testcase_id=4799876569497600

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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, Oct 12 2016

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

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

Comment 8 by sheriffbot@chromium.org, Oct 12 2016

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ReleaseBlock-Beta ReleaseBlock-Stable
Any idea what fixed this in M56, so we can merge it to M55?
WASM is not active in M55 so no need to merge.
Labels: -M-55 -ReleaseBlock-Stable M-56
Project Member

Comment 13 by sheriffbot@chromium.org, Jan 18 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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