2 * Check decoding of init_module syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * Copyright (c) 2016-2017 The strace developers.
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9 * modification, are permitted provided that the following conditions
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33 #include <asm/unistd.h>
35 #if defined(__NR_init_module)
40 # include "init_delete_module.h"
46 static const kernel_ulong_t bogus_addr =
47 (kernel_ulong_t) 0xfffffeedfffffaceULL;
48 static const kernel_ulong_t bogus_len =
49 (kernel_ulong_t) 0xfffffca7ffffc0deULL;
52 char *bogus_param1 = tail_alloc(PARAM1_LEN);
53 char *bogus_param2 = tail_alloc(PARAM2_LEN);
56 fill_memory_ex(bogus_param1, PARAM1_LEN, PARAM1_BASE, PARAM1_LEN);
57 fill_memory_ex(bogus_param2, PARAM2_LEN, PARAM2_BASE, PARAM2_LEN);
59 rc = syscall(__NR_init_module, NULL, F8ILL_KULONG_MASK, NULL);
60 printf("init_module(NULL, %llu, NULL) = %s\n",
61 (unsigned long long) F8ILL_KULONG_MASK, sprintrc(rc));
63 rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
64 errstr = sprintrc(rc);
66 printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
67 print_str(PARAM1_BASE, MAX_STRLEN, false);
68 printf("\"...) = %s\n", errstr);
70 bogus_param1[PARAM1_LEN - 1] = '\0';
72 rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
73 errstr = sprintrc(rc);
75 printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
76 print_str(PARAM1_BASE, MAX_STRLEN, false);
77 printf("\") = %s\n", errstr);
79 rc = syscall(__NR_init_module, bogus_addr, bogus_len,
80 bogus_param2 + PARAM2_LEN);
81 printf("init_module(%#llx, %llu, %p) = %s\n",
82 (unsigned long long) bogus_addr, (unsigned long long) bogus_len,
83 bogus_param2 + PARAM2_LEN, sprintrc(rc));
85 rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
86 printf("init_module(NULL, %llu, %p) = %s\n",
87 (unsigned long long) bogus_len, bogus_param2, sprintrc(rc));
89 bogus_param2[PARAM2_LEN - 1] = '\0';
91 rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
92 errstr = sprintrc(rc);
94 printf("init_module(NULL, %llu, \"", (unsigned long long) bogus_len);
95 print_str(PARAM2_BASE, PARAM2_LEN - 1, true);
96 printf("\") = %s\n", errstr);
98 puts("+++ exited with 0 +++");
105 SKIP_MAIN_UNDEFINED("__NR_init_module");