FreeBSD-main-amd64-test - Build #22175 - Still Unstable

FreeBSD-main-amd64-test - Build #22175 (f1e039d057ba88695e98f6e2c884094f3434de95) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22175/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22175/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22175/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

f1e039d057ba88695e98f6e2c884094f3434de95 by sjg:
Allow COPYRIGHT_Vendor to come from CFLAGS



The failed test cases:

3 tests failed.
FAILED:  sys.fs.fusefs.mknod.main

Error Message:
Returned non-success exit status 1

FAILED:  sys.posixshm.posixshm_test.largepage_mmap

Error Message:
Empty test result or no new line

FAILED:  usr.bin.file.file_test.contrib_file_tests

Error Message:
atf-check failed; see the output of the test for details