New issue
Advanced search Search tips

Issue 784044 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



Sign in to add a comment

Heap-buffer-overflow in v8::internal::wasm::StreamingDecoder::Finish

Project Member Reported by ClusterFuzz, Nov 11 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4968649013329920

Fuzzer: ochang_js_fuzzer_win
Job Type: windows_asan_d8
Platform Id: windows

Crash Type: Heap-buffer-overflow WRITE {*}
Crash Address: 0x0b012fbb
Crash State:
  v8::internal::wasm::StreamingDecoder::Finish
  v8::internal::wasm::AsyncCompile
  v8::WebAssemblyCompile
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4968649013329920

Issue filed automatically.

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

Comment 1 by est...@chromium.org, Nov 11 2017

Owner: titzer@chromium.org
Status: Assigned (was: Untriaged)
titzer could you help triage this please? Thanks!
Project Member

Comment 2 by sheriffbot@chromium.org, Nov 11 2017

Labels: Pri-1
Project Member

Comment 3 by ClusterFuzz, Nov 13 2017

Components: Blink>JavaScript>WebAssembly
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

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

Comment 4 by mmoroz@chromium.org, Nov 15 2017

Cc: ahaas@chromium.org
Labels: Security_Impact-Head M-63

Comment 5 by mmoroz@chromium.org, Nov 15 2017

Labels: -M-63 M-64

Comment 6 by ahaas@chromium.org, Nov 15 2017

Cc: -ahaas@chromium.org
Labels: -Type-Bug-Security -Pri-1 -Security_Severity-High Pri-2 Type-Bug
Owner: ahaas@chromium.org
This is a crash in streaming compilation, which is turned off by default at the moment. This crash is not in production code.
Project Member

Comment 7 by ClusterFuzz, Nov 16 2017

ClusterFuzz has detected this issue as fixed in range 49379:49380.

Detailed report: https://clusterfuzz.com/testcase?key=4968649013329920

Fuzzer: ochang_js_fuzzer_win
Job Type: windows_asan_d8
Platform Id: windows

Crash Type: Heap-buffer-overflow WRITE {*}
Crash Address: 0x0b012fbb
Crash State:
  v8::internal::wasm::StreamingDecoder::Finish
  v8::internal::wasm::AsyncCompile
  v8::WebAssemblyCompile
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Fixed: https://clusterfuzz.com/revisions?job=windows_asan_d8&range=49379:49380

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4968649013329920

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.
Project Member

Comment 8 by ClusterFuzz, Nov 16 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4968649013329920 is verified as fixed, so closing issue as verified.

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

Comment 9 by sheriffbot@chromium.org, Nov 16 2017

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

Comment 10 by sheriffbot@chromium.org, Feb 22 2018

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

Sign in to add a comment