Files
linux/tools/testing/selftests/exec/recursion-depth.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

67 lines
2.0 KiB
C

/*
* Copyright (c) 2019 Alexey Dobriyan <adobriyan@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Test that pointing #! script interpreter to self doesn't recurse. */
#include <errno.h>
#include <sched.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mount.h>
#include <unistd.h>
#include "kselftest.h"
int main(void)
{
int fd, rv;
ksft_print_header();
ksft_set_plan(1);
if (unshare(CLONE_NEWNS) == -1) {
if (errno == ENOSYS || errno == EPERM) {
ksft_test_result_skip("error: unshare, errno %d\n", errno);
ksft_finished();
}
ksft_exit_fail_perror("error: unshare");
}
if (mount(NULL, "/", NULL, MS_PRIVATE | MS_REC, NULL) == -1)
ksft_exit_fail_perror("error: mount '/'");
/* Require "exec" filesystem. */
if (mount(NULL, "/tmp", "ramfs", 0, NULL) == -1)
ksft_exit_fail_perror("error: mount ramfs");
#define FILENAME "/tmp/1"
fd = creat(FILENAME, 0700);
if (fd == -1)
ksft_exit_fail_perror("error: creat");
#define S "#!" FILENAME "\n"
if (write(fd, S, strlen(S)) != strlen(S))
ksft_exit_fail_perror("error: write");
close(fd);
rv = execve(FILENAME, NULL, NULL);
ksft_test_result(rv == -1 && errno == ELOOP,
"execve failed as expected (ret %d, errno %d)\n", rv, errno);
ksft_finished();
}