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os/exec: skip TestFindExecutableVsNoexec if mount failed

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Apparently, some testing environments do not allow root to mount tmpfs
(due to e.g. AppArmor profile disallowing mount(2) syscall).

Always skip the test if the mount has failed.

Fixes the test issue introduced by CL 414824.

Change-Id: Ic565d2e6f277f2926d85a351be7df2498ffba656
Reviewed-on: https://go-review.googlesource.com/c/go/+/429175
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Kir Kolyshkin 2022-09-07 10:30:46 -07:00 committed by Gopher Robot
parent dfdf55158d
commit e828fbdffe
1 changed files with 2 additions and 4 deletions
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6
src/os/exec/lp_linux_test.go
View file

@ -23,10 +23,8 @@ func TestFindExecutableVsNoexec(t *testing.T) {
// Create a tmpfs mount.
err := syscall.Mount("tmpfs", tmp, "tmpfs", 0, "")
if err != nil {
if os.Geteuid() == 0 {
t.Fatalf("tmpfs mount failed: %v", err)
}
// Requires root or CAP_SYS_ADMIN.
// Usually this means lack of CAP_SYS_ADMIN, but there might be
// other reasons, expecially in restricted test environments.
t.Skipf("requires ability to mount tmpfs (%v)", err)
}
t.Cleanup(func() {