x/sys/unix: TestMmapPtr failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/sys/unix" && test == "TestMmapPtr"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/sys/unix" && test == "TestMmapPtr"

2024-06-25 00:37 x_sys-go1.21-openbsd-amd64 sys@daa23942 release-branch.go1.21@ac14d4d9 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-25 00:37 x_sys-go1.22-openbsd-amd64 sys@daa23942 release-branch.go1.22@ceaf26ec x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-25 00:37 x_sys-go1.22-openbsd-ppc64 sys@daa23942 release-branch.go1.22@ceaf26ec x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-25 00:37 x_sys-go1.23-openbsd-amd64 sys@daa23942 release-branch.go1.23@7dff7439 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-25 00:37 x_sys-go1.23-openbsd-ppc64 sys@daa23942 release-branch.go1.23@7dff7439 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-25 00:37 x_sys-gotip-openbsd-amd64 sys@daa23942 go@90bcc552 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-25 00:37 x_sys-gotip-openbsd-ppc64 sys@daa23942 go@90bcc552 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-26 14:54 x_sys-go1.21-openbsd-amd64 sys@a0ef40af release-branch.go1.21@ac14d4d9 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-26 14:54 x_sys-go1.22-openbsd-amd64 sys@a0ef40af release-branch.go1.22@ceaf26ec x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-26 14:54 x_sys-go1.22-openbsd-ppc64 sys@a0ef40af release-branch.go1.22@ceaf26ec x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-26 14:54 x_sys-go1.23-openbsd-amd64 sys@a0ef40af release-branch.go1.23@7dff7439 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-26 14:54 x_sys-go1.23-openbsd-ppc64 sys@a0ef40af release-branch.go1.23@7dff7439 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-26 14:54 x_sys-gotip-openbsd-amd64 sys@a0ef40af go@5f319b75 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

2024-06-26 14:54 x_sys-gotip-openbsd-ppc64 sys@a0ef40af go@5a18e796 x/sys/unix.TestMmapPtr (log)

=== RUN   TestMmapPtr
    mmap_unix_test.go:72: Munmap: invalid argument
--- FAIL: TestMmapPtr (0.00s)

— watchflakes

[ianlancetaylor]

I believe that these are reoccurrences of #68181 from before the fix was committed.