Files
linux/tools/testing/selftests/pidfd/pidfd_setattr_test.c
Bala-Vignesh-Reddy e6fbd1759c selftests: complete kselftest include centralization
This follow-up patch completes centralization of kselftest.h and
ksefltest_harness.h includes in remaining seltests files, replacing all
relative paths with a non-relative paths using shared -I include path in
lib.mk

Tested with gcc-13.3 and clang-18.1, and cross-compiled successfully on
riscv, arm64, x86_64 and powerpc arch.

[reddybalavignesh9979@gmail.com: add selftests include path for kselftest.h]
  Link: https://lkml.kernel.org/r/20251017090201.317521-1-reddybalavignesh9979@gmail.com
Link: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.com
Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Günther Noack <gnoack@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mickael Salaun <mic@digikod.net>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-11-27 14:24:31 -08:00

70 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
#define _GNU_SOURCE
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <linux/types.h>
#include <poll.h>
#include <pthread.h>
#include <sched.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syscall.h>
#include <sys/prctl.h>
#include <sys/wait.h>
#include <unistd.h>
#include <sys/socket.h>
#include <linux/kcmp.h>
#include <sys/stat.h>
#include <sys/xattr.h>
#include "pidfd.h"
#include "kselftest_harness.h"
FIXTURE(pidfs_setattr)
{
pid_t child_pid;
int child_pidfd;
};
FIXTURE_SETUP(pidfs_setattr)
{
self->child_pid = create_child(&self->child_pidfd, CLONE_NEWUSER | CLONE_NEWPID);
EXPECT_GE(self->child_pid, 0);
if (self->child_pid == 0)
_exit(EXIT_SUCCESS);
}
FIXTURE_TEARDOWN(pidfs_setattr)
{
sys_waitid(P_PID, self->child_pid, NULL, WEXITED);
EXPECT_EQ(close(self->child_pidfd), 0);
}
TEST_F(pidfs_setattr, no_chown)
{
ASSERT_LT(fchown(self->child_pidfd, 1234, 5678), 0);
ASSERT_EQ(errno, EOPNOTSUPP);
}
TEST_F(pidfs_setattr, no_chmod)
{
ASSERT_LT(fchmod(self->child_pidfd, 0777), 0);
ASSERT_EQ(errno, EOPNOTSUPP);
}
TEST_F(pidfs_setattr, no_exec)
{
char *const argv[] = { NULL };
char *const envp[] = { NULL };
ASSERT_LT(execveat(self->child_pidfd, "", argv, envp, AT_EMPTY_PATH), 0);
ASSERT_EQ(errno, EACCES);
}
TEST_HARNESS_MAIN