> > diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c > > index 486334981e60..08f0969208eb 100644 > > --- a/tools/testing/selftests/nolibc/nolibc-test.c > > +++ b/tools/testing/selftests/nolibc/nolibc-test.c > > @@ -580,6 +580,10 @@ int run_syscall(int min, int max) > > CASE_TEST(chmod_net); EXPECT_SYSZR(proc, chmod("/proc/self/net", 0555)); break; > > CASE_TEST(chmod_self); EXPECT_SYSER(proc, chmod("/proc/self", 0555), -1, EPERM); break; > > CASE_TEST(chown_self); EXPECT_SYSER(proc, chown("/proc/self", 0, 0), -1, EPERM); break; > > + CASE_TEST(chmod_self_comm); EXPECT_SYSER(proc, chmod("/proc/self/comm", 0777), -1, EPERM); break; > > + CASE_TEST(chmod_tid_comm); EXPECT_SYSER(proc, chmod("/proc/thread-self/comm", 0777), -1, EPERM); break; > > + CASE_TEST(chmod_self_environ);EXPECT_SYSER(proc, chmod("/proc/self/environ", 0777), -1, EPERM); break; > > + CASE_TEST(chmod_tid_environ); EXPECT_SYSER(proc, chmod("/proc/thread-self/environ", 0777), -1, EPERM); break; > > I'm not a big fan of this, it abuses the nolibc testsuite to test core > kernel functionality. Yes, this should be dropped. We need a minimal patch to fix this. This just makes backporting harder and any test doesn't need to be backported.