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

rmcilroy: could you please help triage? 

The regression range is: https://chromium.googlesource.com/v8/v8/+log/53553f5dcbc725a48965d68b1d4c5671257242d8..65bd1a300ac1a040eb08dcfe25a3d0635392ea34?pretty=fuller

Thanks!

Detailed report: https://clusterfuzz.com/testcase?key=4549501766598656

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  HasLength() in shared-function-info-inl.h
  
Sanitizer: address (ASAN)

Regressed: V8: 46683:46684

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4549501766598656


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

Fixed by https://chromium-review.googlesource.com/c/574604/

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/259bf74df04af1f30a9e195d80cc674f04547b3d

commit 259bf74df04af1f30a9e195d80cc674f04547b3d
Author: Ross McIlroy <rmcilroy@chromium.org>
Date: Mon Jul 17 16:08:17 2017

[Compiler] Fix setting shared function info flags from literal for asm_wasm.

BUG= chromium:743622 

Change-Id: Ic29a39d5976425eda2358c7e5ace0efa1b78a718
Reviewed-on: https://chromium-review.googlesource.com/574604
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46714}
[modify] https://crrev.com/259bf74df04af1f30a9e195d80cc674f04547b3d/src/compiler.cc
[add] https://crrev.com/259bf74df04af1f30a9e195d80cc674f04547b3d/test/mjsunit/regress/regress-743622.js

ClusterFuzz has detected this issue as fixed in range 46713:46714.

Detailed report: https://clusterfuzz.com/testcase?key=4549501766598656

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  HasLength() in shared-function-info-inl.h
  
Sanitizer: address (ASAN)

Regressed: V8: 46683:46684
Fixed: V8: 46713:46714

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4549501766598656


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.

ClusterFuzz has detected this issue as fixed in range 46713:46714.

Detailed report: https://clusterfuzz.com/testcase?key=5741191277838336

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  HasLength() in shared-function-info-inl.h
  v8::internal::SharedFunctionInfo::GetLength
  v8::internal::JSFunction::GetLength
  
Sanitizer: address (ASAN)

Regressed: V8: 46683:46684
Fixed: V8: 46713:46714

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5741191277838336


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.

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