From b3a6bd625ce96bcec0e5d41b9835b1367d97e548 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Mon, 20 Jan 2025 09:57:09 +0100 Subject: Linux: Do not check unused bytes after sched_getattr in tst-sched_setattr Linux 6.13 was released with a change that overwrites those bytes. This means that the check_unused subtest fails. Update the manual accordingly. Tested-by: Xi Ruoyao Reviewed-by: Adhemerval Zanella --- sysdeps/unix/sysv/linux/tst-sched_setattr.c | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'sysdeps/unix/sysv/linux/tst-sched_setattr.c') diff --git a/sysdeps/unix/sysv/linux/tst-sched_setattr.c b/sysdeps/unix/sysv/linux/tst-sched_setattr.c index ebad0ae..bf8d9af 100644 --- a/sysdeps/unix/sysv/linux/tst-sched_setattr.c +++ b/sysdeps/unix/sysv/linux/tst-sched_setattr.c @@ -33,14 +33,6 @@ union unsigned char padding[4096]; } u; -static void -check_unused (void) -{ - TEST_VERIFY (u.attr.size < sizeof (u)); - for (unsigned int i = u.attr.size; i < sizeof (u); ++i) - TEST_COMPARE (u.padding[i], 0xcc); -} - static int do_test (void) { @@ -53,7 +45,6 @@ do_test (void) /* Compiler barrier to bypass write access attribute. */ volatile unsigned int size = sizeof (u); TEST_COMPARE (sched_getattr (0, (struct sched_attr *) &u, size, 0), 0); - check_unused (); TEST_COMPARE (sched_setattr (0, &u.attr, 0), 0); /* Apply unchanged. */ /* Try to switch to the SCHED_OTHER policy. */ @@ -81,14 +72,12 @@ do_test (void) memset (&u, 0xcc, sizeof (u)); TEST_COMPARE (sched_getattr (0, (struct sched_attr *) &u, size, 0), 0); TEST_COMPARE (u.attr.sched_policy, SCHED_OTHER); - check_unused (); /* Raise the niceless level to 19 and observe its effect. */ TEST_COMPARE (nice (19), 19); TEST_COMPARE (sched_getattr (0, &u.attr, sizeof (u.attr), 0), 0); TEST_COMPARE (u.attr.sched_policy, SCHED_OTHER); TEST_COMPARE (u.attr.sched_nice, 19); - check_unused (); /* Invalid buffer arguments result in EINVAL (not EFAULT). */ { -- cgit v1.1