2 * Check decoding of finit_module syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * Copyright (c) 2016-2017 The strace developers.
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33 #include <asm/unistd.h>
36 #if defined(__NR_finit_module)
41 # include "init_delete_module.h"
46 static const kernel_ulong_t bogus_fd =
47 (kernel_ulong_t) 0xdeb0d1edbeeff00dULL;
54 { (kernel_ulong_t) 0xffffffff00000002ULL,
55 "MODULE_INIT_IGNORE_VERMAGIC" },
56 { (kernel_ulong_t) 0xbadc0deddefaced0ULL,
57 "0xdefaced0 /* MODULE_INIT_??? */" },
58 { (kernel_ulong_t) 0xfacef157dec0ded1ULL,
59 "MODULE_INIT_IGNORE_MODVERSIONS|0xdec0ded0" },
60 { -1LL, "MODULE_INIT_IGNORE_MODVERSIONS|"
61 "MODULE_INIT_IGNORE_VERMAGIC|0xfffffffc" },
65 char *bogus_param1 = tail_alloc(PARAM1_LEN);
66 char *bogus_param2 = tail_alloc(PARAM2_LEN);
69 fill_memory_ex(bogus_param1, PARAM1_LEN, PARAM1_BASE, PARAM1_LEN);
70 fill_memory_ex(bogus_param2, PARAM2_LEN, PARAM2_BASE, PARAM2_LEN);
72 rc = syscall(__NR_finit_module, F8ILL_KULONG_MASK, NULL,
74 printf("finit_module(0, NULL, 0) = %s\n", sprintrc(rc));
76 rc = syscall(__NR_finit_module, bogus_fd, bogus_param1, flags[0].val);
77 errstr = sprintrc(rc);
79 printf("finit_module(%d, \"", (int) bogus_fd);
80 print_str(PARAM1_BASE, MAX_STRLEN, false);
81 printf("\"..., %s) = %s\n", flags[0].str, errstr);
83 bogus_param1[PARAM1_LEN - 1] = '\0';
85 rc = syscall(__NR_finit_module, bogus_fd, bogus_param1, flags[1].val);
86 errstr = sprintrc(rc);
88 printf("finit_module(%d, \"", (int) bogus_fd);
89 print_str(PARAM1_BASE, MAX_STRLEN, false);
90 printf("\", %s) = %s\n", flags[1].str, errstr);
92 rc = syscall(__NR_finit_module, bogus_fd, bogus_param2 + PARAM2_LEN,
94 printf("finit_module(%d, %p, %s) = %s\n",
95 (int) bogus_fd, bogus_param2 + PARAM2_LEN, flags[2].str,
98 rc = syscall(__NR_finit_module, bogus_fd, bogus_param2, flags[3].val);
99 printf("finit_module(%d, %p, %s) = %s\n",
100 (int) bogus_fd, bogus_param2, flags[3].str, sprintrc(rc));
102 bogus_param2[PARAM2_LEN - 1] = '\0';
104 rc = syscall(__NR_finit_module, bogus_fd, bogus_param2, flags[4].val);
105 errstr = sprintrc(rc);
107 printf("finit_module(%d, \"", (int) bogus_fd);
108 print_str(PARAM2_BASE, PARAM2_LEN - 1, true);
109 printf("\", %s) = %s\n", flags[4].str, errstr);
111 puts("+++ exited with 0 +++");
118 SKIP_MAIN_UNDEFINED("__NR_finit_module");