Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/3380e9a4d92a67881c4ff9d83e6d7d5b85a79750 (Reland "[wasm] Unify deoptimization data").

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

CL: https://chromium-review.googlesource.com/#/c/v8/v8/+/787312

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/0bc1b967f2b91779abf1f5b209ac1b4114dfe4c6

commit 0bc1b967f2b91779abf1f5b209ac1b4114dfe4c6
Author: Clemens Hammacher <clemensh@chromium.org>
Date: Thu Nov 23 12:33:51 2017

[wasm] [interpreter] Fix cross-instance indirect calls

The existing access to the signatures is plain wrong. This CL fixes
this.
Note that cross-instance indirect calls are only enabled since a few
days (https://crrev.com/c/778159), which is why this bug was not
detected before.

R=titzer@chromium.org

Bug:  chromium:787910 
Change-Id: Iaac4d1d85840c921eb8554c5094933ec8d987802
Reviewed-on: https://chromium-review.googlesource.com/787312
Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49607}
[modify] https://crrev.com/0bc1b967f2b91779abf1f5b209ac1b4114dfe4c6/src/wasm/wasm-interpreter.cc
[modify] https://crrev.com/0bc1b967f2b91779abf1f5b209ac1b4114dfe4c6/test/mjsunit/wasm/interpreter.js

ClusterFuzz has detected this issue as fixed in range 49606:49607.

Detailed report: https://clusterfuzz.com/testcase?key=5827211323244544

Fuzzer: ochang_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: Use-after-poison READ 8
Crash Address: 0x6250000ac958
Crash State:
  parameter_count
  v8::internal::compiler::WasmGraphBuilder::WasmGraphBuilder
  v8::internal::compiler::CompileCWasmEntry
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=49507:49508
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=49606:49607

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5827211323244544

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 testcase 5827211323244544 is verified as fixed, so closing issue as verified.

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

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