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/*
* Check decoding of init_module syscall.
*
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* Copyright (c) 2016-2019 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#if defined(__NR_init_module)
# include <stdio.h>
# include <unistd.h>
# include "init_delete_module.h"
int
main(void)
{
static const kernel_ulong_t bogus_addr =
(kernel_ulong_t) 0xfffffeedfffffaceULL;
static const kernel_ulong_t bogus_len =
(kernel_ulong_t) 0xfffffca7ffffc0deULL;
long rc;
char *bogus_param1 = tail_alloc(PARAM1_LEN);
char *bogus_param2 = tail_alloc(PARAM2_LEN);
const char *errstr;
fill_memory_ex(bogus_param1, PARAM1_LEN, PARAM1_BASE, PARAM1_LEN);
fill_memory_ex(bogus_param2, PARAM2_LEN, PARAM2_BASE, PARAM2_LEN);
rc = syscall(__NR_init_module, NULL, F8ILL_KULONG_MASK, NULL);
printf("init_module(NULL, %llu, NULL) = %s\n",
(unsigned long long) F8ILL_KULONG_MASK, sprintrc(rc));
rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
errstr = sprintrc(rc);
printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
print_str(PARAM1_BASE, MAX_STRLEN, false);
printf("\"...) = %s\n", errstr);
bogus_param1[PARAM1_LEN - 1] = '\0';
rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
errstr = sprintrc(rc);
printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
print_str(PARAM1_BASE, MAX_STRLEN, false);
printf("\") = %s\n", errstr);
rc = syscall(__NR_init_module, bogus_addr, bogus_len,
bogus_param2 + PARAM2_LEN);
printf("init_module(%#llx, %llu, %p) = %s\n",
(unsigned long long) bogus_addr, (unsigned long long) bogus_len,
bogus_param2 + PARAM2_LEN, sprintrc(rc));
rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
printf("init_module(NULL, %llu, %p) = %s\n",
(unsigned long long) bogus_len, bogus_param2, sprintrc(rc));
bogus_param2[PARAM2_LEN - 1] = '\0';
rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
errstr = sprintrc(rc);
printf("init_module(NULL, %llu, \"", (unsigned long long) bogus_len);
print_str(PARAM2_BASE, PARAM2_LEN - 1, true);
printf("\") = %s\n", errstr);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_init_module");
#endif
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