New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 881763 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Sep 22
Cc:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug-Security



Sign in to add a comment

Index-out-of-bounds in vrend_set_single_ssbo

Project Member Reported by ClusterFuzz, Sep 7

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6207976233500672

Fuzzer: libFuzzer_chromeos_virgl_fuzzer
Job Type: libfuzzer_ubsan_chromeos
Platform Id: linux

Crash Type: Index-out-of-bounds
Crash Address: 
Crash State:
  vrend_set_single_ssbo
  vrend_decode_block
  virgl_fuzzer.c
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6207976233500672

Issue filed automatically.

See https://chromium.googlesource.com/chromiumos/docs/+/master/fuzzing.md#Reproducing-crashes-from-ClusterFuzz for more information.
 
Project Member

Comment 1 by ClusterFuzz, Sep 7

Cc: davidriley@google.com marcheu@google.com zachr@google.com
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 2 by sheriffbot@chromium.org, Sep 7

Labels: M-69 Target-69
Project Member

Comment 3 by sheriffbot@chromium.org, Sep 7

Labels: Pri-1
Cc: allenwebb@google.com
Owner: davidri...@chromium.org
Will you look into this and see if this is an upstream problem and either address it or reassign it appropriately?
Cc: djmk@chromium.org pwang@chromium.org
I have no access to the report mentioned in #1. 
Running the testcase locally pass on my setup.
Project Member

Comment 8 by sheriffbot@chromium.org, Sep 8

Status: Assigned (was: Untriaged)
Project Member

Comment 9 by ClusterFuzz, Sep 22

ClusterFuzz has detected this issue as fixed in range 2959649:2966823.

Detailed report: https://clusterfuzz.com/testcase?key=6207976233500672

Fuzzer: libFuzzer_chromeos_virgl_fuzzer
Job Type: libfuzzer_ubsan_chromeos
Platform Id: linux

Crash Type: Index-out-of-bounds
Crash Address: 
Crash State:
  vrend_set_single_ssbo
  vrend_decode_block
  virgl_fuzzer.c
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_ubsan_chromeos&range=2959649:2966823

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6207976233500672

See https://chromium.googlesource.com/chromiumos/docs/+/master/fuzzing.md#Reproducing-crashes-from-ClusterFuzz 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 10 by ClusterFuzz, Sep 22

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6207976233500672 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 11 by sheriffbot@chromium.org, Sep 22

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

Comment 12 by sheriffbot@chromium.org, Dec 29

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