1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * test_kprobes.c - simple sanity test for k*p !! 3 * test_kprobes.c - simple sanity test for *probes
4 * 4 *
5 * Copyright IBM Corp. 2008 5 * Copyright IBM Corp. 2008
6 */ 6 */
7 7
8 #include <linux/kernel.h> 8 #include <linux/kernel.h>
9 #include <linux/kprobes.h> 9 #include <linux/kprobes.h>
10 #include <linux/random.h> 10 #include <linux/random.h>
11 #include <kunit/test.h> 11 #include <kunit/test.h>
12 12
13 #define div_factor 3 13 #define div_factor 3
14 14
15 static u32 rand1, preh_val, posth_val; 15 static u32 rand1, preh_val, posth_val;
16 static u32 (*target)(u32 value); 16 static u32 (*target)(u32 value);
17 static u32 (*recursed_target)(u32 value); <<
18 static u32 (*target2)(u32 value); 17 static u32 (*target2)(u32 value);
19 static struct kunit *current_test; 18 static struct kunit *current_test;
20 19
21 static unsigned long (*internal_target)(void); 20 static unsigned long (*internal_target)(void);
22 static unsigned long (*stacktrace_target)(void 21 static unsigned long (*stacktrace_target)(void);
23 static unsigned long (*stacktrace_driver)(void 22 static unsigned long (*stacktrace_driver)(void);
24 static unsigned long target_return_address[2]; 23 static unsigned long target_return_address[2];
25 24
26 static noinline u32 kprobe_target(u32 value) 25 static noinline u32 kprobe_target(u32 value)
27 { 26 {
28 return (value / div_factor); 27 return (value / div_factor);
29 } 28 }
30 29
31 static noinline u32 kprobe_recursed_target(u32 <<
32 { <<
33 return (value / div_factor); <<
34 } <<
35 <<
36 static int kp_pre_handler(struct kprobe *p, st 30 static int kp_pre_handler(struct kprobe *p, struct pt_regs *regs)
37 { 31 {
38 KUNIT_EXPECT_FALSE(current_test, preem 32 KUNIT_EXPECT_FALSE(current_test, preemptible());
39 !! 33 preh_val = (rand1 / div_factor);
40 preh_val = recursed_target(rand1); <<
41 return 0; 34 return 0;
42 } 35 }
43 36
44 static void kp_post_handler(struct kprobe *p, 37 static void kp_post_handler(struct kprobe *p, struct pt_regs *regs,
45 unsigned long flags) 38 unsigned long flags)
46 { 39 {
47 u32 expval = recursed_target(rand1); <<
48 <<
49 KUNIT_EXPECT_FALSE(current_test, preem 40 KUNIT_EXPECT_FALSE(current_test, preemptible());
50 KUNIT_EXPECT_EQ(current_test, preh_val !! 41 KUNIT_EXPECT_EQ(current_test, preh_val, (rand1 / div_factor));
51 <<
52 posth_val = preh_val + div_factor; 42 posth_val = preh_val + div_factor;
53 } 43 }
54 44
55 static struct kprobe kp = { 45 static struct kprobe kp = {
56 .symbol_name = "kprobe_target", 46 .symbol_name = "kprobe_target",
57 .pre_handler = kp_pre_handler, 47 .pre_handler = kp_pre_handler,
58 .post_handler = kp_post_handler 48 .post_handler = kp_post_handler
59 }; 49 };
60 50
61 static void test_kprobe(struct kunit *test) 51 static void test_kprobe(struct kunit *test)
62 { 52 {
63 current_test = test; 53 current_test = test;
64 KUNIT_EXPECT_EQ(test, 0, register_kpro 54 KUNIT_EXPECT_EQ(test, 0, register_kprobe(&kp));
65 target(rand1); 55 target(rand1);
66 unregister_kprobe(&kp); 56 unregister_kprobe(&kp);
67 KUNIT_EXPECT_NE(test, 0, preh_val); 57 KUNIT_EXPECT_NE(test, 0, preh_val);
68 KUNIT_EXPECT_NE(test, 0, posth_val); 58 KUNIT_EXPECT_NE(test, 0, posth_val);
69 } 59 }
70 60
71 static noinline u32 kprobe_target2(u32 value) 61 static noinline u32 kprobe_target2(u32 value)
72 { 62 {
73 return (value / div_factor) + 1; 63 return (value / div_factor) + 1;
74 } 64 }
75 65
76 static noinline unsigned long kprobe_stacktrac 66 static noinline unsigned long kprobe_stacktrace_internal_target(void)
77 { 67 {
78 if (!target_return_address[0]) 68 if (!target_return_address[0])
79 target_return_address[0] = (un 69 target_return_address[0] = (unsigned long)__builtin_return_address(0);
80 return target_return_address[0]; 70 return target_return_address[0];
81 } 71 }
82 72
83 static noinline unsigned long kprobe_stacktrac 73 static noinline unsigned long kprobe_stacktrace_target(void)
84 { 74 {
85 if (!target_return_address[1]) 75 if (!target_return_address[1])
86 target_return_address[1] = (un 76 target_return_address[1] = (unsigned long)__builtin_return_address(0);
87 77
88 if (internal_target) 78 if (internal_target)
89 internal_target(); 79 internal_target();
90 80
91 return target_return_address[1]; 81 return target_return_address[1];
92 } 82 }
93 83
94 static noinline unsigned long kprobe_stacktrac 84 static noinline unsigned long kprobe_stacktrace_driver(void)
95 { 85 {
96 if (stacktrace_target) 86 if (stacktrace_target)
97 stacktrace_target(); 87 stacktrace_target();
98 88
99 /* This is for preventing inlining the 89 /* This is for preventing inlining the function */
100 return (unsigned long)__builtin_return 90 return (unsigned long)__builtin_return_address(0);
101 } 91 }
102 92
103 static int kp_pre_handler2(struct kprobe *p, s 93 static int kp_pre_handler2(struct kprobe *p, struct pt_regs *regs)
104 { 94 {
105 preh_val = (rand1 / div_factor) + 1; 95 preh_val = (rand1 / div_factor) + 1;
106 return 0; 96 return 0;
107 } 97 }
108 98
109 static void kp_post_handler2(struct kprobe *p, 99 static void kp_post_handler2(struct kprobe *p, struct pt_regs *regs,
110 unsigned long flags) 100 unsigned long flags)
111 { 101 {
112 KUNIT_EXPECT_EQ(current_test, preh_val 102 KUNIT_EXPECT_EQ(current_test, preh_val, (rand1 / div_factor) + 1);
113 posth_val = preh_val + div_factor; 103 posth_val = preh_val + div_factor;
114 } 104 }
115 105
116 static struct kprobe kp2 = { 106 static struct kprobe kp2 = {
117 .symbol_name = "kprobe_target2", 107 .symbol_name = "kprobe_target2",
118 .pre_handler = kp_pre_handler2, 108 .pre_handler = kp_pre_handler2,
119 .post_handler = kp_post_handler2 109 .post_handler = kp_post_handler2
120 }; 110 };
121 111
122 static void test_kprobes(struct kunit *test) 112 static void test_kprobes(struct kunit *test)
123 { 113 {
124 struct kprobe *kps[2] = {&kp, &kp2}; 114 struct kprobe *kps[2] = {&kp, &kp2};
125 115
126 current_test = test; 116 current_test = test;
127 117
128 /* addr and flags should be cleard for 118 /* addr and flags should be cleard for reusing kprobe. */
129 kp.addr = NULL; 119 kp.addr = NULL;
130 kp.flags = 0; 120 kp.flags = 0;
131 121
132 KUNIT_EXPECT_EQ(test, 0, register_kpro 122 KUNIT_EXPECT_EQ(test, 0, register_kprobes(kps, 2));
133 preh_val = 0; 123 preh_val = 0;
134 posth_val = 0; 124 posth_val = 0;
135 target(rand1); 125 target(rand1);
136 126
137 KUNIT_EXPECT_NE(test, 0, preh_val); 127 KUNIT_EXPECT_NE(test, 0, preh_val);
138 KUNIT_EXPECT_NE(test, 0, posth_val); 128 KUNIT_EXPECT_NE(test, 0, posth_val);
139 129
140 preh_val = 0; 130 preh_val = 0;
141 posth_val = 0; 131 posth_val = 0;
142 target2(rand1); 132 target2(rand1);
143 133
144 KUNIT_EXPECT_NE(test, 0, preh_val); 134 KUNIT_EXPECT_NE(test, 0, preh_val);
145 KUNIT_EXPECT_NE(test, 0, posth_val); 135 KUNIT_EXPECT_NE(test, 0, posth_val);
146 unregister_kprobes(kps, 2); 136 unregister_kprobes(kps, 2);
147 } 137 }
148 138
149 static struct kprobe kp_missed = { <<
150 .symbol_name = "kprobe_recursed_target <<
151 .pre_handler = kp_pre_handler, <<
152 .post_handler = kp_post_handler, <<
153 }; <<
154 <<
155 static void test_kprobe_missed(struct kunit *t <<
156 { <<
157 current_test = test; <<
158 preh_val = 0; <<
159 posth_val = 0; <<
160 <<
161 KUNIT_EXPECT_EQ(test, 0, register_kpro <<
162 <<
163 recursed_target(rand1); <<
164 <<
165 KUNIT_EXPECT_EQ(test, 2, kp_missed.nmi <<
166 KUNIT_EXPECT_NE(test, 0, preh_val); <<
167 KUNIT_EXPECT_NE(test, 0, posth_val); <<
168 <<
169 unregister_kprobe(&kp_missed); <<
170 } <<
171 <<
172 #ifdef CONFIG_KRETPROBES 139 #ifdef CONFIG_KRETPROBES
173 static u32 krph_val; 140 static u32 krph_val;
174 141
175 static int entry_handler(struct kretprobe_inst 142 static int entry_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
176 { 143 {
177 KUNIT_EXPECT_FALSE(current_test, preem 144 KUNIT_EXPECT_FALSE(current_test, preemptible());
178 krph_val = (rand1 / div_factor); 145 krph_val = (rand1 / div_factor);
179 return 0; 146 return 0;
180 } 147 }
181 148
182 static int return_handler(struct kretprobe_ins 149 static int return_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
183 { 150 {
184 unsigned long ret = regs_return_value( 151 unsigned long ret = regs_return_value(regs);
185 152
186 KUNIT_EXPECT_FALSE(current_test, preem 153 KUNIT_EXPECT_FALSE(current_test, preemptible());
187 KUNIT_EXPECT_EQ(current_test, ret, ran 154 KUNIT_EXPECT_EQ(current_test, ret, rand1 / div_factor);
188 KUNIT_EXPECT_NE(current_test, krph_val 155 KUNIT_EXPECT_NE(current_test, krph_val, 0);
189 krph_val = rand1; 156 krph_val = rand1;
190 return 0; 157 return 0;
191 } 158 }
192 159
193 static struct kretprobe rp = { 160 static struct kretprobe rp = {
194 .handler = return_handler, 161 .handler = return_handler,
195 .entry_handler = entry_handler, 162 .entry_handler = entry_handler,
196 .kp.symbol_name = "kprobe_target" 163 .kp.symbol_name = "kprobe_target"
197 }; 164 };
198 165
199 static void test_kretprobe(struct kunit *test) 166 static void test_kretprobe(struct kunit *test)
200 { 167 {
201 current_test = test; 168 current_test = test;
202 KUNIT_EXPECT_EQ(test, 0, register_kret 169 KUNIT_EXPECT_EQ(test, 0, register_kretprobe(&rp));
203 target(rand1); 170 target(rand1);
204 unregister_kretprobe(&rp); 171 unregister_kretprobe(&rp);
205 KUNIT_EXPECT_EQ(test, krph_val, rand1) 172 KUNIT_EXPECT_EQ(test, krph_val, rand1);
206 } 173 }
207 174
208 static int return_handler2(struct kretprobe_in 175 static int return_handler2(struct kretprobe_instance *ri, struct pt_regs *regs)
209 { 176 {
210 unsigned long ret = regs_return_value( 177 unsigned long ret = regs_return_value(regs);
211 178
212 KUNIT_EXPECT_EQ(current_test, ret, (ra 179 KUNIT_EXPECT_EQ(current_test, ret, (rand1 / div_factor) + 1);
213 KUNIT_EXPECT_NE(current_test, krph_val 180 KUNIT_EXPECT_NE(current_test, krph_val, 0);
214 krph_val = rand1; 181 krph_val = rand1;
215 return 0; 182 return 0;
216 } 183 }
217 184
218 static struct kretprobe rp2 = { 185 static struct kretprobe rp2 = {
219 .handler = return_handler2, 186 .handler = return_handler2,
220 .entry_handler = entry_handler, 187 .entry_handler = entry_handler,
221 .kp.symbol_name = "kprobe_target2" 188 .kp.symbol_name = "kprobe_target2"
222 }; 189 };
223 190
224 static void test_kretprobes(struct kunit *test 191 static void test_kretprobes(struct kunit *test)
225 { 192 {
226 struct kretprobe *rps[2] = {&rp, &rp2} 193 struct kretprobe *rps[2] = {&rp, &rp2};
227 194
228 current_test = test; 195 current_test = test;
229 /* addr and flags should be cleard for 196 /* addr and flags should be cleard for reusing kprobe. */
230 rp.kp.addr = NULL; 197 rp.kp.addr = NULL;
231 rp.kp.flags = 0; 198 rp.kp.flags = 0;
232 KUNIT_EXPECT_EQ(test, 0, register_kret 199 KUNIT_EXPECT_EQ(test, 0, register_kretprobes(rps, 2));
233 200
234 krph_val = 0; 201 krph_val = 0;
235 target(rand1); 202 target(rand1);
236 KUNIT_EXPECT_EQ(test, krph_val, rand1) 203 KUNIT_EXPECT_EQ(test, krph_val, rand1);
237 204
238 krph_val = 0; 205 krph_val = 0;
239 target2(rand1); 206 target2(rand1);
240 KUNIT_EXPECT_EQ(test, krph_val, rand1) 207 KUNIT_EXPECT_EQ(test, krph_val, rand1);
241 unregister_kretprobes(rps, 2); 208 unregister_kretprobes(rps, 2);
242 } 209 }
243 210
244 #ifdef CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETP 211 #ifdef CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETPROBE
245 #define STACK_BUF_SIZE 16 212 #define STACK_BUF_SIZE 16
246 static unsigned long stack_buf[STACK_BUF_SIZE] 213 static unsigned long stack_buf[STACK_BUF_SIZE];
247 214
248 static int stacktrace_return_handler(struct kr 215 static int stacktrace_return_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
249 { 216 {
250 unsigned long retval = regs_return_val 217 unsigned long retval = regs_return_value(regs);
251 int i, ret; 218 int i, ret;
252 219
253 KUNIT_EXPECT_FALSE(current_test, preem 220 KUNIT_EXPECT_FALSE(current_test, preemptible());
254 KUNIT_EXPECT_EQ(current_test, retval, 221 KUNIT_EXPECT_EQ(current_test, retval, target_return_address[1]);
255 222
256 /* 223 /*
257 * Test stacktrace inside the kretprob 224 * Test stacktrace inside the kretprobe handler, this will involves
258 * kretprobe trampoline, but must incl 225 * kretprobe trampoline, but must include correct return address
259 * of the target function. 226 * of the target function.
260 */ 227 */
261 ret = stack_trace_save(stack_buf, STAC 228 ret = stack_trace_save(stack_buf, STACK_BUF_SIZE, 0);
262 KUNIT_EXPECT_NE(current_test, ret, 0); 229 KUNIT_EXPECT_NE(current_test, ret, 0);
263 230
264 for (i = 0; i < ret; i++) { 231 for (i = 0; i < ret; i++) {
265 if (stack_buf[i] == target_ret 232 if (stack_buf[i] == target_return_address[1])
266 break; 233 break;
267 } 234 }
268 KUNIT_EXPECT_NE(current_test, i, ret); 235 KUNIT_EXPECT_NE(current_test, i, ret);
269 236
270 #if !IS_MODULE(CONFIG_KPROBES_SANITY_TEST) 237 #if !IS_MODULE(CONFIG_KPROBES_SANITY_TEST)
271 /* 238 /*
272 * Test stacktrace from pt_regs at the 239 * Test stacktrace from pt_regs at the return address. Thus the stack
273 * trace must start from the target re 240 * trace must start from the target return address.
274 */ 241 */
275 ret = stack_trace_save_regs(regs, stac 242 ret = stack_trace_save_regs(regs, stack_buf, STACK_BUF_SIZE, 0);
276 KUNIT_EXPECT_NE(current_test, ret, 0); 243 KUNIT_EXPECT_NE(current_test, ret, 0);
277 KUNIT_EXPECT_EQ(current_test, stack_bu 244 KUNIT_EXPECT_EQ(current_test, stack_buf[0], target_return_address[1]);
278 #endif 245 #endif
279 246
280 return 0; 247 return 0;
281 } 248 }
282 249
283 static struct kretprobe rp3 = { 250 static struct kretprobe rp3 = {
284 .handler = stacktrace_return_ha 251 .handler = stacktrace_return_handler,
285 .kp.symbol_name = "kprobe_stacktrace_t 252 .kp.symbol_name = "kprobe_stacktrace_target"
286 }; 253 };
287 254
288 static void test_stacktrace_on_kretprobe(struc 255 static void test_stacktrace_on_kretprobe(struct kunit *test)
289 { 256 {
290 unsigned long myretaddr = (unsigned lo 257 unsigned long myretaddr = (unsigned long)__builtin_return_address(0);
291 258
292 current_test = test; 259 current_test = test;
293 rp3.kp.addr = NULL; 260 rp3.kp.addr = NULL;
294 rp3.kp.flags = 0; 261 rp3.kp.flags = 0;
295 262
296 /* 263 /*
297 * Run the stacktrace_driver() to reco 264 * Run the stacktrace_driver() to record correct return address in
298 * stacktrace_target() and ensure stac 265 * stacktrace_target() and ensure stacktrace_driver() call is not
299 * inlined by checking the return addr 266 * inlined by checking the return address of stacktrace_driver()
300 * and the return address of this func 267 * and the return address of this function is different.
301 */ 268 */
302 KUNIT_ASSERT_NE(test, myretaddr, stack 269 KUNIT_ASSERT_NE(test, myretaddr, stacktrace_driver());
303 270
304 KUNIT_ASSERT_EQ(test, 0, register_kret 271 KUNIT_ASSERT_EQ(test, 0, register_kretprobe(&rp3));
305 KUNIT_ASSERT_NE(test, myretaddr, stack 272 KUNIT_ASSERT_NE(test, myretaddr, stacktrace_driver());
306 unregister_kretprobe(&rp3); 273 unregister_kretprobe(&rp3);
307 } 274 }
308 275
309 static int stacktrace_internal_return_handler( 276 static int stacktrace_internal_return_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
310 { 277 {
311 unsigned long retval = regs_return_val 278 unsigned long retval = regs_return_value(regs);
312 int i, ret; 279 int i, ret;
313 280
314 KUNIT_EXPECT_FALSE(current_test, preem 281 KUNIT_EXPECT_FALSE(current_test, preemptible());
315 KUNIT_EXPECT_EQ(current_test, retval, 282 KUNIT_EXPECT_EQ(current_test, retval, target_return_address[0]);
316 283
317 /* 284 /*
318 * Test stacktrace inside the kretprob 285 * Test stacktrace inside the kretprobe handler for nested case.
319 * The unwinder will find the kretprob 286 * The unwinder will find the kretprobe_trampoline address on the
320 * return address, and kretprobe must 287 * return address, and kretprobe must solve that.
321 */ 288 */
322 ret = stack_trace_save(stack_buf, STAC 289 ret = stack_trace_save(stack_buf, STACK_BUF_SIZE, 0);
323 KUNIT_EXPECT_NE(current_test, ret, 0); 290 KUNIT_EXPECT_NE(current_test, ret, 0);
324 291
325 for (i = 0; i < ret - 1; i++) { 292 for (i = 0; i < ret - 1; i++) {
326 if (stack_buf[i] == target_ret 293 if (stack_buf[i] == target_return_address[0]) {
327 KUNIT_EXPECT_EQ(curren 294 KUNIT_EXPECT_EQ(current_test, stack_buf[i + 1], target_return_address[1]);
328 break; 295 break;
329 } 296 }
330 } 297 }
331 KUNIT_EXPECT_NE(current_test, i, ret); 298 KUNIT_EXPECT_NE(current_test, i, ret);
332 299
333 #if !IS_MODULE(CONFIG_KPROBES_SANITY_TEST) 300 #if !IS_MODULE(CONFIG_KPROBES_SANITY_TEST)
334 /* Ditto for the regs version. */ 301 /* Ditto for the regs version. */
335 ret = stack_trace_save_regs(regs, stac 302 ret = stack_trace_save_regs(regs, stack_buf, STACK_BUF_SIZE, 0);
336 KUNIT_EXPECT_NE(current_test, ret, 0); 303 KUNIT_EXPECT_NE(current_test, ret, 0);
337 KUNIT_EXPECT_EQ(current_test, stack_bu 304 KUNIT_EXPECT_EQ(current_test, stack_buf[0], target_return_address[0]);
338 KUNIT_EXPECT_EQ(current_test, stack_bu 305 KUNIT_EXPECT_EQ(current_test, stack_buf[1], target_return_address[1]);
339 #endif 306 #endif
340 307
341 return 0; 308 return 0;
342 } 309 }
343 310
344 static struct kretprobe rp4 = { 311 static struct kretprobe rp4 = {
345 .handler = stacktrace_internal_ 312 .handler = stacktrace_internal_return_handler,
346 .kp.symbol_name = "kprobe_stacktrace_i 313 .kp.symbol_name = "kprobe_stacktrace_internal_target"
347 }; 314 };
348 315
349 static void test_stacktrace_on_nested_kretprob 316 static void test_stacktrace_on_nested_kretprobe(struct kunit *test)
350 { 317 {
351 unsigned long myretaddr = (unsigned lo 318 unsigned long myretaddr = (unsigned long)__builtin_return_address(0);
352 struct kretprobe *rps[2] = {&rp3, &rp4 319 struct kretprobe *rps[2] = {&rp3, &rp4};
353 320
354 current_test = test; 321 current_test = test;
355 rp3.kp.addr = NULL; 322 rp3.kp.addr = NULL;
356 rp3.kp.flags = 0; 323 rp3.kp.flags = 0;
357 324
358 //KUNIT_ASSERT_NE(test, myretaddr, sta 325 //KUNIT_ASSERT_NE(test, myretaddr, stacktrace_driver());
359 326
360 KUNIT_ASSERT_EQ(test, 0, register_kret 327 KUNIT_ASSERT_EQ(test, 0, register_kretprobes(rps, 2));
361 KUNIT_ASSERT_NE(test, myretaddr, stack 328 KUNIT_ASSERT_NE(test, myretaddr, stacktrace_driver());
362 unregister_kretprobes(rps, 2); 329 unregister_kretprobes(rps, 2);
363 } 330 }
364 #endif /* CONFIG_ARCH_CORRECT_STACKTRACE_ON_KR 331 #endif /* CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETPROBE */
365 332
366 #endif /* CONFIG_KRETPROBES */ 333 #endif /* CONFIG_KRETPROBES */
367 334
368 static int kprobes_test_init(struct kunit *tes 335 static int kprobes_test_init(struct kunit *test)
369 { 336 {
370 target = kprobe_target; 337 target = kprobe_target;
371 target2 = kprobe_target2; 338 target2 = kprobe_target2;
372 recursed_target = kprobe_recursed_targ <<
373 stacktrace_target = kprobe_stacktrace_ 339 stacktrace_target = kprobe_stacktrace_target;
374 internal_target = kprobe_stacktrace_in 340 internal_target = kprobe_stacktrace_internal_target;
375 stacktrace_driver = kprobe_stacktrace_ 341 stacktrace_driver = kprobe_stacktrace_driver;
376 rand1 = get_random_u32_above(div_facto 342 rand1 = get_random_u32_above(div_factor);
377 return 0; 343 return 0;
378 } 344 }
379 345
380 static struct kunit_case kprobes_testcases[] = 346 static struct kunit_case kprobes_testcases[] = {
381 KUNIT_CASE(test_kprobe), 347 KUNIT_CASE(test_kprobe),
382 KUNIT_CASE(test_kprobes), 348 KUNIT_CASE(test_kprobes),
383 KUNIT_CASE(test_kprobe_missed), <<
384 #ifdef CONFIG_KRETPROBES 349 #ifdef CONFIG_KRETPROBES
385 KUNIT_CASE(test_kretprobe), 350 KUNIT_CASE(test_kretprobe),
386 KUNIT_CASE(test_kretprobes), 351 KUNIT_CASE(test_kretprobes),
387 #ifdef CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETP 352 #ifdef CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETPROBE
388 KUNIT_CASE(test_stacktrace_on_kretprob 353 KUNIT_CASE(test_stacktrace_on_kretprobe),
389 KUNIT_CASE(test_stacktrace_on_nested_k 354 KUNIT_CASE(test_stacktrace_on_nested_kretprobe),
390 #endif 355 #endif
391 #endif 356 #endif
392 {} 357 {}
393 }; 358 };
394 359
395 static struct kunit_suite kprobes_test_suite = 360 static struct kunit_suite kprobes_test_suite = {
396 .name = "kprobes_test", 361 .name = "kprobes_test",
397 .init = kprobes_test_init, 362 .init = kprobes_test_init,
398 .test_cases = kprobes_testcases, 363 .test_cases = kprobes_testcases,
399 }; 364 };
400 365
401 kunit_test_suites(&kprobes_test_suite); 366 kunit_test_suites(&kprobes_test_suite);
402 367
403 MODULE_DESCRIPTION("simple sanity test for k*p <<
404 MODULE_LICENSE("GPL"); 368 MODULE_LICENSE("GPL");
405 369
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