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

Issue 859804 link

Starred by 1 user

Issue metadata

Status: Verified
Owner: ----
Closed: Jul 7
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



Sign in to add a comment

Null-dereference WRITE in chrome

Project Member Reported by ClusterFuzz, Jul 3

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5111936065470464

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000039
Crash State:
  chrome
  tcmalloc::Log
  InvalidFree
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=570034:570035

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5111936065470464

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 3

Components: Internals>Core
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.
Project Member

Comment 2 by ClusterFuzz, Jul 3

Cc: w...@gnu.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

[truetype] Increase precision while applying VF deltas. by wl@gnu.org - https://chromium.googlesource.com/chromium/src/third_party/freetype2/+/a632fb547e23fe129a579fabf60a992fd7d98d02

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
I don't have permission to access the reproducer testcase.  Please send it to me.
Project Member

Comment 4 by ClusterFuzz, Jul 7

ClusterFuzz has detected this issue as fixed in range 572968:572969.

Detailed report: https://clusterfuzz.com/testcase?key=5111936065470464

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000039
Crash State:
  chrome
  tcmalloc::Log
  InvalidFree
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=570034:570035
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=572968:572969

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5111936065470464

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 5 by ClusterFuzz, Jul 7

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5111936065470464 is verified as fixed, so closing issue as verified.

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

Sign in to add a comment