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

ClusterFuzz has detected this issue as fixed in range 480794:480851.

Detailed report: https://clusterfuzz.com/testcase?key=6716688216358912

Fuzzer: libFuzzer_v8_wasm_asmjs_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7f819488231f
Crash State:
  v8::internal::ByteArray::get
  GetDecodedAsmJsOffsetTable
  v8::internal::WasmCompiledModule::GetAsmJsSourcePosition
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=479882:479941
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=480794:480851

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6716688216358912


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.

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