Commit | Line | Data |
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3c731eba AS |
1 | /* |
2 | * Testsuite for eBPF verifier | |
3 | * | |
4 | * Copyright (c) 2014 PLUMgrid, http://plumgrid.com | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of version 2 of the GNU General Public | |
8 | * License as published by the Free Software Foundation. | |
9 | */ | |
10 | #include <stdio.h> | |
11 | #include <unistd.h> | |
12 | #include <linux/bpf.h> | |
13 | #include <errno.h> | |
14 | #include <linux/unistd.h> | |
15 | #include <string.h> | |
16 | #include <linux/filter.h> | |
614cd3bd | 17 | #include <stddef.h> |
bf508877 AS |
18 | #include <stdbool.h> |
19 | #include <sys/resource.h> | |
3c731eba AS |
20 | #include "libbpf.h" |
21 | ||
22 | #define MAX_INSNS 512 | |
23 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x))) | |
24 | ||
bf508877 AS |
25 | #define MAX_FIXUPS 8 |
26 | ||
3c731eba AS |
27 | struct bpf_test { |
28 | const char *descr; | |
29 | struct bpf_insn insns[MAX_INSNS]; | |
bf508877 AS |
30 | int fixup[MAX_FIXUPS]; |
31 | int prog_array_fixup[MAX_FIXUPS]; | |
3c731eba | 32 | const char *errstr; |
bf508877 | 33 | const char *errstr_unpriv; |
3c731eba | 34 | enum { |
bf508877 | 35 | UNDEF, |
3c731eba AS |
36 | ACCEPT, |
37 | REJECT | |
bf508877 | 38 | } result, result_unpriv; |
d691f9e8 | 39 | enum bpf_prog_type prog_type; |
3c731eba AS |
40 | }; |
41 | ||
42 | static struct bpf_test tests[] = { | |
43 | { | |
44 | "add+sub+mul", | |
45 | .insns = { | |
46 | BPF_MOV64_IMM(BPF_REG_1, 1), | |
47 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 2), | |
48 | BPF_MOV64_IMM(BPF_REG_2, 3), | |
49 | BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_2), | |
50 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1), | |
51 | BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 3), | |
52 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
53 | BPF_EXIT_INSN(), | |
54 | }, | |
55 | .result = ACCEPT, | |
56 | }, | |
57 | { | |
58 | "unreachable", | |
59 | .insns = { | |
60 | BPF_EXIT_INSN(), | |
61 | BPF_EXIT_INSN(), | |
62 | }, | |
63 | .errstr = "unreachable", | |
64 | .result = REJECT, | |
65 | }, | |
66 | { | |
67 | "unreachable2", | |
68 | .insns = { | |
69 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
70 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
71 | BPF_EXIT_INSN(), | |
72 | }, | |
73 | .errstr = "unreachable", | |
74 | .result = REJECT, | |
75 | }, | |
76 | { | |
77 | "out of range jump", | |
78 | .insns = { | |
79 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
80 | BPF_EXIT_INSN(), | |
81 | }, | |
82 | .errstr = "jump out of range", | |
83 | .result = REJECT, | |
84 | }, | |
85 | { | |
86 | "out of range jump2", | |
87 | .insns = { | |
88 | BPF_JMP_IMM(BPF_JA, 0, 0, -2), | |
89 | BPF_EXIT_INSN(), | |
90 | }, | |
91 | .errstr = "jump out of range", | |
92 | .result = REJECT, | |
93 | }, | |
94 | { | |
95 | "test1 ld_imm64", | |
96 | .insns = { | |
97 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
98 | BPF_LD_IMM64(BPF_REG_0, 0), | |
99 | BPF_LD_IMM64(BPF_REG_0, 0), | |
100 | BPF_LD_IMM64(BPF_REG_0, 1), | |
101 | BPF_LD_IMM64(BPF_REG_0, 1), | |
102 | BPF_MOV64_IMM(BPF_REG_0, 2), | |
103 | BPF_EXIT_INSN(), | |
104 | }, | |
105 | .errstr = "invalid BPF_LD_IMM insn", | |
bf508877 | 106 | .errstr_unpriv = "R1 pointer comparison", |
3c731eba AS |
107 | .result = REJECT, |
108 | }, | |
109 | { | |
110 | "test2 ld_imm64", | |
111 | .insns = { | |
112 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
113 | BPF_LD_IMM64(BPF_REG_0, 0), | |
114 | BPF_LD_IMM64(BPF_REG_0, 0), | |
115 | BPF_LD_IMM64(BPF_REG_0, 1), | |
116 | BPF_LD_IMM64(BPF_REG_0, 1), | |
117 | BPF_EXIT_INSN(), | |
118 | }, | |
119 | .errstr = "invalid BPF_LD_IMM insn", | |
bf508877 | 120 | .errstr_unpriv = "R1 pointer comparison", |
3c731eba AS |
121 | .result = REJECT, |
122 | }, | |
123 | { | |
124 | "test3 ld_imm64", | |
125 | .insns = { | |
126 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
127 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0), | |
128 | BPF_LD_IMM64(BPF_REG_0, 0), | |
129 | BPF_LD_IMM64(BPF_REG_0, 0), | |
130 | BPF_LD_IMM64(BPF_REG_0, 1), | |
131 | BPF_LD_IMM64(BPF_REG_0, 1), | |
132 | BPF_EXIT_INSN(), | |
133 | }, | |
134 | .errstr = "invalid bpf_ld_imm64 insn", | |
135 | .result = REJECT, | |
136 | }, | |
137 | { | |
138 | "test4 ld_imm64", | |
139 | .insns = { | |
140 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0), | |
141 | BPF_EXIT_INSN(), | |
142 | }, | |
143 | .errstr = "invalid bpf_ld_imm64 insn", | |
144 | .result = REJECT, | |
145 | }, | |
146 | { | |
147 | "test5 ld_imm64", | |
148 | .insns = { | |
149 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0), | |
150 | }, | |
151 | .errstr = "invalid bpf_ld_imm64 insn", | |
152 | .result = REJECT, | |
153 | }, | |
154 | { | |
155 | "no bpf_exit", | |
156 | .insns = { | |
157 | BPF_ALU64_REG(BPF_MOV, BPF_REG_0, BPF_REG_2), | |
158 | }, | |
159 | .errstr = "jump out of range", | |
160 | .result = REJECT, | |
161 | }, | |
162 | { | |
163 | "loop (back-edge)", | |
164 | .insns = { | |
165 | BPF_JMP_IMM(BPF_JA, 0, 0, -1), | |
166 | BPF_EXIT_INSN(), | |
167 | }, | |
168 | .errstr = "back-edge", | |
169 | .result = REJECT, | |
170 | }, | |
171 | { | |
172 | "loop2 (back-edge)", | |
173 | .insns = { | |
174 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
175 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_0), | |
176 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_0), | |
177 | BPF_JMP_IMM(BPF_JA, 0, 0, -4), | |
178 | BPF_EXIT_INSN(), | |
179 | }, | |
180 | .errstr = "back-edge", | |
181 | .result = REJECT, | |
182 | }, | |
183 | { | |
184 | "conditional loop", | |
185 | .insns = { | |
186 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
187 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_0), | |
188 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_0), | |
189 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3), | |
190 | BPF_EXIT_INSN(), | |
191 | }, | |
192 | .errstr = "back-edge", | |
193 | .result = REJECT, | |
194 | }, | |
195 | { | |
196 | "read uninitialized register", | |
197 | .insns = { | |
198 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
199 | BPF_EXIT_INSN(), | |
200 | }, | |
201 | .errstr = "R2 !read_ok", | |
202 | .result = REJECT, | |
203 | }, | |
204 | { | |
205 | "read invalid register", | |
206 | .insns = { | |
207 | BPF_MOV64_REG(BPF_REG_0, -1), | |
208 | BPF_EXIT_INSN(), | |
209 | }, | |
210 | .errstr = "R15 is invalid", | |
211 | .result = REJECT, | |
212 | }, | |
213 | { | |
214 | "program doesn't init R0 before exit", | |
215 | .insns = { | |
216 | BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1), | |
217 | BPF_EXIT_INSN(), | |
218 | }, | |
219 | .errstr = "R0 !read_ok", | |
220 | .result = REJECT, | |
221 | }, | |
32bf08a6 AS |
222 | { |
223 | "program doesn't init R0 before exit in all branches", | |
224 | .insns = { | |
225 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
226 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
227 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2), | |
228 | BPF_EXIT_INSN(), | |
229 | }, | |
230 | .errstr = "R0 !read_ok", | |
bf508877 | 231 | .errstr_unpriv = "R1 pointer comparison", |
32bf08a6 AS |
232 | .result = REJECT, |
233 | }, | |
3c731eba AS |
234 | { |
235 | "stack out of bounds", | |
236 | .insns = { | |
237 | BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0), | |
238 | BPF_EXIT_INSN(), | |
239 | }, | |
240 | .errstr = "invalid stack", | |
241 | .result = REJECT, | |
242 | }, | |
243 | { | |
244 | "invalid call insn1", | |
245 | .insns = { | |
246 | BPF_RAW_INSN(BPF_JMP | BPF_CALL | BPF_X, 0, 0, 0, 0), | |
247 | BPF_EXIT_INSN(), | |
248 | }, | |
249 | .errstr = "BPF_CALL uses reserved", | |
250 | .result = REJECT, | |
251 | }, | |
252 | { | |
253 | "invalid call insn2", | |
254 | .insns = { | |
255 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 1, 0), | |
256 | BPF_EXIT_INSN(), | |
257 | }, | |
258 | .errstr = "BPF_CALL uses reserved", | |
259 | .result = REJECT, | |
260 | }, | |
261 | { | |
262 | "invalid function call", | |
263 | .insns = { | |
264 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, 1234567), | |
265 | BPF_EXIT_INSN(), | |
266 | }, | |
267 | .errstr = "invalid func 1234567", | |
268 | .result = REJECT, | |
269 | }, | |
270 | { | |
271 | "uninitialized stack1", | |
272 | .insns = { | |
273 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
274 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
275 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
7943c0f3 | 276 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
3c731eba AS |
277 | BPF_EXIT_INSN(), |
278 | }, | |
279 | .fixup = {2}, | |
280 | .errstr = "invalid indirect read from stack", | |
281 | .result = REJECT, | |
282 | }, | |
283 | { | |
284 | "uninitialized stack2", | |
285 | .insns = { | |
286 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
287 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8), | |
288 | BPF_EXIT_INSN(), | |
289 | }, | |
290 | .errstr = "invalid read from stack", | |
291 | .result = REJECT, | |
292 | }, | |
293 | { | |
294 | "check valid spill/fill", | |
295 | .insns = { | |
296 | /* spill R1(ctx) into stack */ | |
297 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
298 | ||
299 | /* fill it back into R2 */ | |
300 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8), | |
301 | ||
302 | /* should be able to access R0 = *(R2 + 8) */ | |
f91fe17e DB |
303 | /* BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 8), */ |
304 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
3c731eba AS |
305 | BPF_EXIT_INSN(), |
306 | }, | |
bf508877 | 307 | .errstr_unpriv = "R0 leaks addr", |
3c731eba | 308 | .result = ACCEPT, |
bf508877 | 309 | .result_unpriv = REJECT, |
3c731eba | 310 | }, |
3f2050e2 DB |
311 | { |
312 | "check valid spill/fill, skb mark", | |
313 | .insns = { | |
314 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1), | |
315 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8), | |
316 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8), | |
317 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, | |
318 | offsetof(struct __sk_buff, mark)), | |
319 | BPF_EXIT_INSN(), | |
320 | }, | |
321 | .result = ACCEPT, | |
322 | .result_unpriv = ACCEPT, | |
323 | }, | |
3c731eba AS |
324 | { |
325 | "check corrupted spill/fill", | |
326 | .insns = { | |
327 | /* spill R1(ctx) into stack */ | |
328 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
329 | ||
330 | /* mess up with R1 pointer on stack */ | |
331 | BPF_ST_MEM(BPF_B, BPF_REG_10, -7, 0x23), | |
332 | ||
333 | /* fill back into R0 should fail */ | |
334 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8), | |
335 | ||
336 | BPF_EXIT_INSN(), | |
337 | }, | |
bf508877 | 338 | .errstr_unpriv = "attempt to corrupt spilled", |
3c731eba AS |
339 | .errstr = "corrupted spill", |
340 | .result = REJECT, | |
341 | }, | |
342 | { | |
343 | "invalid src register in STX", | |
344 | .insns = { | |
345 | BPF_STX_MEM(BPF_B, BPF_REG_10, -1, -1), | |
346 | BPF_EXIT_INSN(), | |
347 | }, | |
348 | .errstr = "R15 is invalid", | |
349 | .result = REJECT, | |
350 | }, | |
351 | { | |
352 | "invalid dst register in STX", | |
353 | .insns = { | |
354 | BPF_STX_MEM(BPF_B, 14, BPF_REG_10, -1), | |
355 | BPF_EXIT_INSN(), | |
356 | }, | |
357 | .errstr = "R14 is invalid", | |
358 | .result = REJECT, | |
359 | }, | |
360 | { | |
361 | "invalid dst register in ST", | |
362 | .insns = { | |
363 | BPF_ST_MEM(BPF_B, 14, -1, -1), | |
364 | BPF_EXIT_INSN(), | |
365 | }, | |
366 | .errstr = "R14 is invalid", | |
367 | .result = REJECT, | |
368 | }, | |
369 | { | |
370 | "invalid src register in LDX", | |
371 | .insns = { | |
372 | BPF_LDX_MEM(BPF_B, BPF_REG_0, 12, 0), | |
373 | BPF_EXIT_INSN(), | |
374 | }, | |
375 | .errstr = "R12 is invalid", | |
376 | .result = REJECT, | |
377 | }, | |
378 | { | |
379 | "invalid dst register in LDX", | |
380 | .insns = { | |
381 | BPF_LDX_MEM(BPF_B, 11, BPF_REG_1, 0), | |
382 | BPF_EXIT_INSN(), | |
383 | }, | |
384 | .errstr = "R11 is invalid", | |
385 | .result = REJECT, | |
386 | }, | |
387 | { | |
388 | "junk insn", | |
389 | .insns = { | |
390 | BPF_RAW_INSN(0, 0, 0, 0, 0), | |
391 | BPF_EXIT_INSN(), | |
392 | }, | |
393 | .errstr = "invalid BPF_LD_IMM", | |
394 | .result = REJECT, | |
395 | }, | |
396 | { | |
397 | "junk insn2", | |
398 | .insns = { | |
399 | BPF_RAW_INSN(1, 0, 0, 0, 0), | |
400 | BPF_EXIT_INSN(), | |
401 | }, | |
402 | .errstr = "BPF_LDX uses reserved fields", | |
403 | .result = REJECT, | |
404 | }, | |
405 | { | |
406 | "junk insn3", | |
407 | .insns = { | |
408 | BPF_RAW_INSN(-1, 0, 0, 0, 0), | |
409 | BPF_EXIT_INSN(), | |
410 | }, | |
411 | .errstr = "invalid BPF_ALU opcode f0", | |
412 | .result = REJECT, | |
413 | }, | |
414 | { | |
415 | "junk insn4", | |
416 | .insns = { | |
417 | BPF_RAW_INSN(-1, -1, -1, -1, -1), | |
418 | BPF_EXIT_INSN(), | |
419 | }, | |
420 | .errstr = "invalid BPF_ALU opcode f0", | |
421 | .result = REJECT, | |
422 | }, | |
423 | { | |
424 | "junk insn5", | |
425 | .insns = { | |
426 | BPF_RAW_INSN(0x7f, -1, -1, -1, -1), | |
427 | BPF_EXIT_INSN(), | |
428 | }, | |
429 | .errstr = "BPF_ALU uses reserved fields", | |
430 | .result = REJECT, | |
431 | }, | |
432 | { | |
433 | "misaligned read from stack", | |
434 | .insns = { | |
435 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
436 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -4), | |
437 | BPF_EXIT_INSN(), | |
438 | }, | |
439 | .errstr = "misaligned access", | |
440 | .result = REJECT, | |
441 | }, | |
442 | { | |
443 | "invalid map_fd for function call", | |
444 | .insns = { | |
445 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
446 | BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_10), | |
447 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
448 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
7943c0f3 | 449 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem), |
3c731eba AS |
450 | BPF_EXIT_INSN(), |
451 | }, | |
452 | .errstr = "fd 0 is not pointing to valid bpf_map", | |
453 | .result = REJECT, | |
454 | }, | |
455 | { | |
456 | "don't check return value before access", | |
457 | .insns = { | |
458 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
459 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
460 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
461 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
7943c0f3 | 462 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
3c731eba AS |
463 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0), |
464 | BPF_EXIT_INSN(), | |
465 | }, | |
466 | .fixup = {3}, | |
467 | .errstr = "R0 invalid mem access 'map_value_or_null'", | |
468 | .result = REJECT, | |
469 | }, | |
470 | { | |
471 | "access memory with incorrect alignment", | |
472 | .insns = { | |
473 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
474 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
475 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
476 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
7943c0f3 | 477 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
3c731eba AS |
478 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), |
479 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0), | |
480 | BPF_EXIT_INSN(), | |
481 | }, | |
482 | .fixup = {3}, | |
483 | .errstr = "misaligned access", | |
484 | .result = REJECT, | |
485 | }, | |
486 | { | |
487 | "sometimes access memory with incorrect alignment", | |
488 | .insns = { | |
489 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
490 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
491 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
492 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
7943c0f3 | 493 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
3c731eba AS |
494 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), |
495 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0), | |
496 | BPF_EXIT_INSN(), | |
497 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1), | |
498 | BPF_EXIT_INSN(), | |
499 | }, | |
500 | .fixup = {3}, | |
501 | .errstr = "R0 invalid mem access", | |
bf508877 | 502 | .errstr_unpriv = "R0 leaks addr", |
3c731eba AS |
503 | .result = REJECT, |
504 | }, | |
fd10c2ef AS |
505 | { |
506 | "jump test 1", | |
507 | .insns = { | |
508 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
509 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -8), | |
510 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
511 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0), | |
512 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1), | |
513 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 1), | |
514 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 1), | |
515 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 2), | |
516 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 1), | |
517 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 3), | |
518 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 1), | |
519 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 4), | |
520 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1), | |
521 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 5), | |
522 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
523 | BPF_EXIT_INSN(), | |
524 | }, | |
bf508877 AS |
525 | .errstr_unpriv = "R1 pointer comparison", |
526 | .result_unpriv = REJECT, | |
fd10c2ef AS |
527 | .result = ACCEPT, |
528 | }, | |
529 | { | |
530 | "jump test 2", | |
531 | .insns = { | |
532 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
533 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2), | |
534 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0), | |
535 | BPF_JMP_IMM(BPF_JA, 0, 0, 14), | |
536 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2), | |
537 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0), | |
538 | BPF_JMP_IMM(BPF_JA, 0, 0, 11), | |
539 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 2), | |
540 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0), | |
541 | BPF_JMP_IMM(BPF_JA, 0, 0, 8), | |
542 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2), | |
543 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0), | |
544 | BPF_JMP_IMM(BPF_JA, 0, 0, 5), | |
545 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 2), | |
546 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0), | |
547 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
548 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1), | |
549 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0), | |
550 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
551 | BPF_EXIT_INSN(), | |
552 | }, | |
bf508877 AS |
553 | .errstr_unpriv = "R1 pointer comparison", |
554 | .result_unpriv = REJECT, | |
fd10c2ef AS |
555 | .result = ACCEPT, |
556 | }, | |
557 | { | |
558 | "jump test 3", | |
559 | .insns = { | |
560 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
561 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3), | |
562 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0), | |
563 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
564 | BPF_JMP_IMM(BPF_JA, 0, 0, 19), | |
565 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 3), | |
566 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0), | |
567 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16), | |
568 | BPF_JMP_IMM(BPF_JA, 0, 0, 15), | |
569 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 3), | |
570 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0), | |
571 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -32), | |
572 | BPF_JMP_IMM(BPF_JA, 0, 0, 11), | |
573 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 3), | |
574 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0), | |
575 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -40), | |
576 | BPF_JMP_IMM(BPF_JA, 0, 0, 7), | |
577 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 3), | |
578 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0), | |
579 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -48), | |
580 | BPF_JMP_IMM(BPF_JA, 0, 0, 3), | |
581 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 0), | |
582 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0), | |
583 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -56), | |
584 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
7943c0f3 | 585 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem), |
fd10c2ef AS |
586 | BPF_EXIT_INSN(), |
587 | }, | |
588 | .fixup = {24}, | |
bf508877 AS |
589 | .errstr_unpriv = "R1 pointer comparison", |
590 | .result_unpriv = REJECT, | |
fd10c2ef AS |
591 | .result = ACCEPT, |
592 | }, | |
593 | { | |
594 | "jump test 4", | |
595 | .insns = { | |
596 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
597 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
598 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
599 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
600 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
601 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
602 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
603 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
604 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
605 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
606 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
607 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
608 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
609 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
610 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
611 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
612 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
613 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
614 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
615 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
616 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
617 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
618 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
619 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
620 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
621 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
622 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
623 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
624 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
625 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
626 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
627 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
628 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
629 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
630 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
631 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
632 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
633 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
634 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
635 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
636 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
637 | BPF_EXIT_INSN(), | |
638 | }, | |
bf508877 AS |
639 | .errstr_unpriv = "R1 pointer comparison", |
640 | .result_unpriv = REJECT, | |
fd10c2ef AS |
641 | .result = ACCEPT, |
642 | }, | |
342ded40 AS |
643 | { |
644 | "jump test 5", | |
645 | .insns = { | |
646 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
647 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), | |
648 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
649 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
650 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
651 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
652 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
653 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
654 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
655 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
656 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
657 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
658 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
659 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
660 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
661 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
662 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
663 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
664 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
665 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
666 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
667 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
668 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
669 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
670 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
671 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
672 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
673 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
674 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
675 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
676 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
677 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
678 | BPF_EXIT_INSN(), | |
679 | }, | |
bf508877 AS |
680 | .errstr_unpriv = "R1 pointer comparison", |
681 | .result_unpriv = REJECT, | |
342ded40 AS |
682 | .result = ACCEPT, |
683 | }, | |
614cd3bd AS |
684 | { |
685 | "access skb fields ok", | |
686 | .insns = { | |
687 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
688 | offsetof(struct __sk_buff, len)), | |
689 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
690 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
691 | offsetof(struct __sk_buff, mark)), | |
692 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
693 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
694 | offsetof(struct __sk_buff, pkt_type)), | |
695 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
696 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
697 | offsetof(struct __sk_buff, queue_mapping)), | |
698 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
c2497395 AS |
699 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
700 | offsetof(struct __sk_buff, protocol)), | |
701 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
702 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
703 | offsetof(struct __sk_buff, vlan_present)), | |
704 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
705 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
706 | offsetof(struct __sk_buff, vlan_tci)), | |
707 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
614cd3bd AS |
708 | BPF_EXIT_INSN(), |
709 | }, | |
710 | .result = ACCEPT, | |
711 | }, | |
712 | { | |
713 | "access skb fields bad1", | |
714 | .insns = { | |
715 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -4), | |
716 | BPF_EXIT_INSN(), | |
717 | }, | |
718 | .errstr = "invalid bpf_context access", | |
719 | .result = REJECT, | |
720 | }, | |
721 | { | |
722 | "access skb fields bad2", | |
723 | .insns = { | |
724 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 9), | |
725 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
726 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
727 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
728 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
729 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), | |
730 | BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), | |
731 | BPF_EXIT_INSN(), | |
732 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
733 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
734 | offsetof(struct __sk_buff, pkt_type)), | |
735 | BPF_EXIT_INSN(), | |
736 | }, | |
737 | .fixup = {4}, | |
738 | .errstr = "different pointers", | |
bf508877 | 739 | .errstr_unpriv = "R1 pointer comparison", |
614cd3bd AS |
740 | .result = REJECT, |
741 | }, | |
742 | { | |
743 | "access skb fields bad3", | |
744 | .insns = { | |
745 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
746 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
747 | offsetof(struct __sk_buff, pkt_type)), | |
748 | BPF_EXIT_INSN(), | |
749 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
750 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
751 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
752 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
753 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), | |
754 | BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), | |
755 | BPF_EXIT_INSN(), | |
756 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
757 | BPF_JMP_IMM(BPF_JA, 0, 0, -12), | |
758 | }, | |
759 | .fixup = {6}, | |
760 | .errstr = "different pointers", | |
bf508877 | 761 | .errstr_unpriv = "R1 pointer comparison", |
614cd3bd AS |
762 | .result = REJECT, |
763 | }, | |
725f9dcd AS |
764 | { |
765 | "access skb fields bad4", | |
766 | .insns = { | |
767 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 3), | |
768 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
769 | offsetof(struct __sk_buff, len)), | |
770 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
771 | BPF_EXIT_INSN(), | |
772 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
773 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
774 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
775 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
776 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), | |
777 | BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), | |
778 | BPF_EXIT_INSN(), | |
779 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
780 | BPF_JMP_IMM(BPF_JA, 0, 0, -13), | |
781 | }, | |
782 | .fixup = {7}, | |
783 | .errstr = "different pointers", | |
bf508877 | 784 | .errstr_unpriv = "R1 pointer comparison", |
725f9dcd AS |
785 | .result = REJECT, |
786 | }, | |
d691f9e8 AS |
787 | { |
788 | "check skb->mark is not writeable by sockets", | |
789 | .insns = { | |
790 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
791 | offsetof(struct __sk_buff, mark)), | |
792 | BPF_EXIT_INSN(), | |
793 | }, | |
794 | .errstr = "invalid bpf_context access", | |
bf508877 | 795 | .errstr_unpriv = "R1 leaks addr", |
d691f9e8 AS |
796 | .result = REJECT, |
797 | }, | |
798 | { | |
799 | "check skb->tc_index is not writeable by sockets", | |
800 | .insns = { | |
801 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
802 | offsetof(struct __sk_buff, tc_index)), | |
803 | BPF_EXIT_INSN(), | |
804 | }, | |
805 | .errstr = "invalid bpf_context access", | |
bf508877 | 806 | .errstr_unpriv = "R1 leaks addr", |
d691f9e8 AS |
807 | .result = REJECT, |
808 | }, | |
809 | { | |
810 | "check non-u32 access to cb", | |
811 | .insns = { | |
812 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_1, | |
813 | offsetof(struct __sk_buff, cb[0])), | |
814 | BPF_EXIT_INSN(), | |
815 | }, | |
816 | .errstr = "invalid bpf_context access", | |
bf508877 | 817 | .errstr_unpriv = "R1 leaks addr", |
d691f9e8 AS |
818 | .result = REJECT, |
819 | }, | |
820 | { | |
821 | "check out of range skb->cb access", | |
822 | .insns = { | |
823 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
bf508877 | 824 | offsetof(struct __sk_buff, cb[0]) + 256), |
d691f9e8 AS |
825 | BPF_EXIT_INSN(), |
826 | }, | |
827 | .errstr = "invalid bpf_context access", | |
bf508877 | 828 | .errstr_unpriv = "", |
d691f9e8 AS |
829 | .result = REJECT, |
830 | .prog_type = BPF_PROG_TYPE_SCHED_ACT, | |
831 | }, | |
832 | { | |
833 | "write skb fields from socket prog", | |
834 | .insns = { | |
835 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
836 | offsetof(struct __sk_buff, cb[4])), | |
837 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
838 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
839 | offsetof(struct __sk_buff, mark)), | |
840 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
841 | offsetof(struct __sk_buff, tc_index)), | |
842 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
843 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
844 | offsetof(struct __sk_buff, cb[0])), | |
845 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
846 | offsetof(struct __sk_buff, cb[2])), | |
847 | BPF_EXIT_INSN(), | |
848 | }, | |
849 | .result = ACCEPT, | |
bf508877 AS |
850 | .errstr_unpriv = "R1 leaks addr", |
851 | .result_unpriv = REJECT, | |
d691f9e8 AS |
852 | }, |
853 | { | |
854 | "write skb fields from tc_cls_act prog", | |
855 | .insns = { | |
856 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
857 | offsetof(struct __sk_buff, cb[0])), | |
858 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
859 | offsetof(struct __sk_buff, mark)), | |
860 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
861 | offsetof(struct __sk_buff, tc_index)), | |
862 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
863 | offsetof(struct __sk_buff, tc_index)), | |
864 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
865 | offsetof(struct __sk_buff, cb[3])), | |
866 | BPF_EXIT_INSN(), | |
867 | }, | |
bf508877 AS |
868 | .errstr_unpriv = "", |
869 | .result_unpriv = REJECT, | |
d691f9e8 AS |
870 | .result = ACCEPT, |
871 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
872 | }, | |
24b4d2ab AG |
873 | { |
874 | "PTR_TO_STACK store/load", | |
875 | .insns = { | |
876 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
877 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10), | |
878 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c), | |
879 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2), | |
880 | BPF_EXIT_INSN(), | |
881 | }, | |
882 | .result = ACCEPT, | |
883 | }, | |
884 | { | |
885 | "PTR_TO_STACK store/load - bad alignment on off", | |
886 | .insns = { | |
887 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
888 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
889 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c), | |
890 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2), | |
891 | BPF_EXIT_INSN(), | |
892 | }, | |
893 | .result = REJECT, | |
894 | .errstr = "misaligned access off -6 size 8", | |
895 | }, | |
896 | { | |
897 | "PTR_TO_STACK store/load - bad alignment on reg", | |
898 | .insns = { | |
899 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
900 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10), | |
901 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c), | |
902 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8), | |
903 | BPF_EXIT_INSN(), | |
904 | }, | |
905 | .result = REJECT, | |
906 | .errstr = "misaligned access off -2 size 8", | |
907 | }, | |
908 | { | |
909 | "PTR_TO_STACK store/load - out of bounds low", | |
910 | .insns = { | |
911 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
912 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -80000), | |
913 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c), | |
914 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8), | |
915 | BPF_EXIT_INSN(), | |
916 | }, | |
917 | .result = REJECT, | |
918 | .errstr = "invalid stack off=-79992 size=8", | |
919 | }, | |
920 | { | |
921 | "PTR_TO_STACK store/load - out of bounds high", | |
922 | .insns = { | |
923 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
924 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
925 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c), | |
926 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8), | |
927 | BPF_EXIT_INSN(), | |
928 | }, | |
929 | .result = REJECT, | |
930 | .errstr = "invalid stack off=0 size=8", | |
931 | }, | |
bf508877 AS |
932 | { |
933 | "unpriv: return pointer", | |
934 | .insns = { | |
935 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_10), | |
936 | BPF_EXIT_INSN(), | |
937 | }, | |
938 | .result = ACCEPT, | |
939 | .result_unpriv = REJECT, | |
940 | .errstr_unpriv = "R0 leaks addr", | |
941 | }, | |
942 | { | |
943 | "unpriv: add const to pointer", | |
944 | .insns = { | |
945 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
946 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
947 | BPF_EXIT_INSN(), | |
948 | }, | |
949 | .result = ACCEPT, | |
950 | .result_unpriv = REJECT, | |
951 | .errstr_unpriv = "R1 pointer arithmetic", | |
952 | }, | |
953 | { | |
954 | "unpriv: add pointer to pointer", | |
955 | .insns = { | |
956 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10), | |
957 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
958 | BPF_EXIT_INSN(), | |
959 | }, | |
960 | .result = ACCEPT, | |
961 | .result_unpriv = REJECT, | |
962 | .errstr_unpriv = "R1 pointer arithmetic", | |
963 | }, | |
964 | { | |
965 | "unpriv: neg pointer", | |
966 | .insns = { | |
967 | BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), | |
968 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
969 | BPF_EXIT_INSN(), | |
970 | }, | |
971 | .result = ACCEPT, | |
972 | .result_unpriv = REJECT, | |
973 | .errstr_unpriv = "R1 pointer arithmetic", | |
974 | }, | |
975 | { | |
976 | "unpriv: cmp pointer with const", | |
977 | .insns = { | |
978 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0), | |
979 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
980 | BPF_EXIT_INSN(), | |
981 | }, | |
982 | .result = ACCEPT, | |
983 | .result_unpriv = REJECT, | |
984 | .errstr_unpriv = "R1 pointer comparison", | |
985 | }, | |
986 | { | |
987 | "unpriv: cmp pointer with pointer", | |
988 | .insns = { | |
989 | BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
990 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
991 | BPF_EXIT_INSN(), | |
992 | }, | |
993 | .result = ACCEPT, | |
994 | .result_unpriv = REJECT, | |
995 | .errstr_unpriv = "R10 pointer comparison", | |
996 | }, | |
997 | { | |
998 | "unpriv: check that printk is disallowed", | |
999 | .insns = { | |
1000 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
1001 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
1002 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
1003 | BPF_MOV64_IMM(BPF_REG_2, 8), | |
1004 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_1), | |
1005 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_trace_printk), | |
1006 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1007 | BPF_EXIT_INSN(), | |
1008 | }, | |
1009 | .errstr_unpriv = "unknown func 6", | |
1010 | .result_unpriv = REJECT, | |
1011 | .result = ACCEPT, | |
1012 | }, | |
1013 | { | |
1014 | "unpriv: pass pointer to helper function", | |
1015 | .insns = { | |
1016 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
1017 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
1018 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1019 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
1020 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), | |
1021 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
1022 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem), | |
1023 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1024 | BPF_EXIT_INSN(), | |
1025 | }, | |
1026 | .fixup = {3}, | |
1027 | .errstr_unpriv = "R4 leaks addr", | |
1028 | .result_unpriv = REJECT, | |
1029 | .result = ACCEPT, | |
1030 | }, | |
1031 | { | |
1032 | "unpriv: indirectly pass pointer on stack to helper function", | |
1033 | .insns = { | |
1034 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1035 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
1036 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1037 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
1038 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), | |
1039 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1040 | BPF_EXIT_INSN(), | |
1041 | }, | |
1042 | .fixup = {3}, | |
1043 | .errstr = "invalid indirect read from stack off -8+0 size 8", | |
1044 | .result = REJECT, | |
1045 | }, | |
1046 | { | |
1047 | "unpriv: mangle pointer on stack 1", | |
1048 | .insns = { | |
1049 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1050 | BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0), | |
1051 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1052 | BPF_EXIT_INSN(), | |
1053 | }, | |
1054 | .errstr_unpriv = "attempt to corrupt spilled", | |
1055 | .result_unpriv = REJECT, | |
1056 | .result = ACCEPT, | |
1057 | }, | |
1058 | { | |
1059 | "unpriv: mangle pointer on stack 2", | |
1060 | .insns = { | |
1061 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1062 | BPF_ST_MEM(BPF_B, BPF_REG_10, -1, 0), | |
1063 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1064 | BPF_EXIT_INSN(), | |
1065 | }, | |
1066 | .errstr_unpriv = "attempt to corrupt spilled", | |
1067 | .result_unpriv = REJECT, | |
1068 | .result = ACCEPT, | |
1069 | }, | |
1070 | { | |
1071 | "unpriv: read pointer from stack in small chunks", | |
1072 | .insns = { | |
1073 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1074 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8), | |
1075 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1076 | BPF_EXIT_INSN(), | |
1077 | }, | |
1078 | .errstr = "invalid size", | |
1079 | .result = REJECT, | |
1080 | }, | |
1081 | { | |
1082 | "unpriv: write pointer into ctx", | |
1083 | .insns = { | |
1084 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0), | |
1085 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1086 | BPF_EXIT_INSN(), | |
1087 | }, | |
1088 | .errstr_unpriv = "R1 leaks addr", | |
1089 | .result_unpriv = REJECT, | |
1090 | .errstr = "invalid bpf_context access", | |
1091 | .result = REJECT, | |
1092 | }, | |
1093 | { | |
1094 | "unpriv: write pointer into map elem value", | |
1095 | .insns = { | |
1096 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
1097 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
1098 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1099 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
1100 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), | |
1101 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
1102 | BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0), | |
1103 | BPF_EXIT_INSN(), | |
1104 | }, | |
1105 | .fixup = {3}, | |
1106 | .errstr_unpriv = "R0 leaks addr", | |
1107 | .result_unpriv = REJECT, | |
1108 | .result = ACCEPT, | |
1109 | }, | |
1110 | { | |
1111 | "unpriv: partial copy of pointer", | |
1112 | .insns = { | |
1113 | BPF_MOV32_REG(BPF_REG_1, BPF_REG_10), | |
1114 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1115 | BPF_EXIT_INSN(), | |
1116 | }, | |
1117 | .errstr_unpriv = "R10 partial copy", | |
1118 | .result_unpriv = REJECT, | |
1119 | .result = ACCEPT, | |
1120 | }, | |
1121 | { | |
1122 | "unpriv: pass pointer to tail_call", | |
1123 | .insns = { | |
1124 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_1), | |
1125 | BPF_LD_MAP_FD(BPF_REG_2, 0), | |
1126 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call), | |
1127 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1128 | BPF_EXIT_INSN(), | |
1129 | }, | |
1130 | .prog_array_fixup = {1}, | |
1131 | .errstr_unpriv = "R3 leaks addr into helper", | |
1132 | .result_unpriv = REJECT, | |
1133 | .result = ACCEPT, | |
1134 | }, | |
1135 | { | |
1136 | "unpriv: cmp map pointer with zero", | |
1137 | .insns = { | |
1138 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
1139 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
1140 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0), | |
1141 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1142 | BPF_EXIT_INSN(), | |
1143 | }, | |
1144 | .fixup = {1}, | |
1145 | .errstr_unpriv = "R1 pointer comparison", | |
1146 | .result_unpriv = REJECT, | |
1147 | .result = ACCEPT, | |
1148 | }, | |
1149 | { | |
1150 | "unpriv: write into frame pointer", | |
1151 | .insns = { | |
1152 | BPF_MOV64_REG(BPF_REG_10, BPF_REG_1), | |
1153 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1154 | BPF_EXIT_INSN(), | |
1155 | }, | |
1156 | .errstr = "frame pointer is read only", | |
1157 | .result = REJECT, | |
1158 | }, | |
1159 | { | |
1160 | "unpriv: cmp of frame pointer", | |
1161 | .insns = { | |
1162 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_10, 0, 0), | |
1163 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1164 | BPF_EXIT_INSN(), | |
1165 | }, | |
1166 | .errstr_unpriv = "R10 pointer comparison", | |
1167 | .result_unpriv = REJECT, | |
1168 | .result = ACCEPT, | |
1169 | }, | |
1170 | { | |
1171 | "unpriv: cmp of stack pointer", | |
1172 | .insns = { | |
1173 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
1174 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1175 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 0), | |
1176 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1177 | BPF_EXIT_INSN(), | |
1178 | }, | |
1179 | .errstr_unpriv = "R2 pointer comparison", | |
1180 | .result_unpriv = REJECT, | |
1181 | .result = ACCEPT, | |
1182 | }, | |
1183 | { | |
1184 | "unpriv: obfuscate stack pointer", | |
1185 | .insns = { | |
1186 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
1187 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1188 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1189 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1190 | BPF_EXIT_INSN(), | |
1191 | }, | |
1192 | .errstr_unpriv = "R2 pointer arithmetic", | |
1193 | .result_unpriv = REJECT, | |
1194 | .result = ACCEPT, | |
1195 | }, | |
3f2050e2 DB |
1196 | { |
1197 | "raw_stack: no skb_load_bytes", | |
1198 | .insns = { | |
1199 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1200 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1201 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
1202 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1203 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1204 | /* Call to skb_load_bytes() omitted. */ | |
1205 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1206 | BPF_EXIT_INSN(), | |
1207 | }, | |
1208 | .result = REJECT, | |
1209 | .errstr = "invalid read from stack off -8+0 size 8", | |
1210 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1211 | }, | |
1212 | { | |
1213 | "raw_stack: skb_load_bytes, no init", | |
1214 | .insns = { | |
1215 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1216 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1217 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
1218 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1219 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1220 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1221 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1222 | BPF_EXIT_INSN(), | |
1223 | }, | |
1224 | .result = ACCEPT, | |
1225 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1226 | }, | |
1227 | { | |
1228 | "raw_stack: skb_load_bytes, init", | |
1229 | .insns = { | |
1230 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1231 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1232 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
1233 | BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xcafe), | |
1234 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1235 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1236 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1237 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1238 | BPF_EXIT_INSN(), | |
1239 | }, | |
1240 | .result = ACCEPT, | |
1241 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1242 | }, | |
1243 | { | |
1244 | "raw_stack: skb_load_bytes, spilled regs around bounds", | |
1245 | .insns = { | |
1246 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1247 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1248 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16), | |
1249 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8), /* spill ctx from R1 */ | |
1250 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8), /* spill ctx from R1 */ | |
1251 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1252 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1253 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1254 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8), /* fill ctx into R0 */ | |
1255 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8), /* fill ctx into R2 */ | |
1256 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, | |
1257 | offsetof(struct __sk_buff, mark)), | |
1258 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, | |
1259 | offsetof(struct __sk_buff, priority)), | |
1260 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
1261 | BPF_EXIT_INSN(), | |
1262 | }, | |
1263 | .result = ACCEPT, | |
1264 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1265 | }, | |
1266 | { | |
1267 | "raw_stack: skb_load_bytes, spilled regs corruption", | |
1268 | .insns = { | |
1269 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1270 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1271 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
1272 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), /* spill ctx from R1 */ | |
1273 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1274 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1275 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1276 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), /* fill ctx into R0 */ | |
1277 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, | |
1278 | offsetof(struct __sk_buff, mark)), | |
1279 | BPF_EXIT_INSN(), | |
1280 | }, | |
1281 | .result = REJECT, | |
1282 | .errstr = "R0 invalid mem access 'inv'", | |
1283 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1284 | }, | |
1285 | { | |
1286 | "raw_stack: skb_load_bytes, spilled regs corruption 2", | |
1287 | .insns = { | |
1288 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1289 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1290 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16), | |
1291 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8), /* spill ctx from R1 */ | |
1292 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), /* spill ctx from R1 */ | |
1293 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8), /* spill ctx from R1 */ | |
1294 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1295 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1296 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1297 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8), /* fill ctx into R0 */ | |
1298 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8), /* fill ctx into R2 */ | |
1299 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0), /* fill ctx into R3 */ | |
1300 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, | |
1301 | offsetof(struct __sk_buff, mark)), | |
1302 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, | |
1303 | offsetof(struct __sk_buff, priority)), | |
1304 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
1305 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_3, | |
1306 | offsetof(struct __sk_buff, pkt_type)), | |
1307 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3), | |
1308 | BPF_EXIT_INSN(), | |
1309 | }, | |
1310 | .result = REJECT, | |
1311 | .errstr = "R3 invalid mem access 'inv'", | |
1312 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1313 | }, | |
1314 | { | |
1315 | "raw_stack: skb_load_bytes, spilled regs + data", | |
1316 | .insns = { | |
1317 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1318 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1319 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16), | |
1320 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8), /* spill ctx from R1 */ | |
1321 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), /* spill ctx from R1 */ | |
1322 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8), /* spill ctx from R1 */ | |
1323 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1324 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1325 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1326 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8), /* fill ctx into R0 */ | |
1327 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8), /* fill ctx into R2 */ | |
1328 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0), /* fill data into R3 */ | |
1329 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, | |
1330 | offsetof(struct __sk_buff, mark)), | |
1331 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, | |
1332 | offsetof(struct __sk_buff, priority)), | |
1333 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
1334 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3), | |
1335 | BPF_EXIT_INSN(), | |
1336 | }, | |
1337 | .result = ACCEPT, | |
1338 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1339 | }, | |
1340 | { | |
1341 | "raw_stack: skb_load_bytes, invalid access 1", | |
1342 | .insns = { | |
1343 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1344 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1345 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -513), | |
1346 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1347 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1348 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1349 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1350 | BPF_EXIT_INSN(), | |
1351 | }, | |
1352 | .result = REJECT, | |
1353 | .errstr = "invalid stack type R3 off=-513 access_size=8", | |
1354 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1355 | }, | |
1356 | { | |
1357 | "raw_stack: skb_load_bytes, invalid access 2", | |
1358 | .insns = { | |
1359 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1360 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1361 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1), | |
1362 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1363 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
1364 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1365 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1366 | BPF_EXIT_INSN(), | |
1367 | }, | |
1368 | .result = REJECT, | |
1369 | .errstr = "invalid stack type R3 off=-1 access_size=8", | |
1370 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1371 | }, | |
1372 | { | |
1373 | "raw_stack: skb_load_bytes, invalid access 3", | |
1374 | .insns = { | |
1375 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1376 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1377 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 0xffffffff), | |
1378 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1379 | BPF_MOV64_IMM(BPF_REG_4, 0xffffffff), | |
1380 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1381 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1382 | BPF_EXIT_INSN(), | |
1383 | }, | |
1384 | .result = REJECT, | |
1385 | .errstr = "invalid stack type R3 off=-1 access_size=-1", | |
1386 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1387 | }, | |
1388 | { | |
1389 | "raw_stack: skb_load_bytes, invalid access 4", | |
1390 | .insns = { | |
1391 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1392 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1393 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1), | |
1394 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1395 | BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff), | |
1396 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1397 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1398 | BPF_EXIT_INSN(), | |
1399 | }, | |
1400 | .result = REJECT, | |
1401 | .errstr = "invalid stack type R3 off=-1 access_size=2147483647", | |
1402 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1403 | }, | |
1404 | { | |
1405 | "raw_stack: skb_load_bytes, invalid access 5", | |
1406 | .insns = { | |
1407 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1408 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1409 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512), | |
1410 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1411 | BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff), | |
1412 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1413 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1414 | BPF_EXIT_INSN(), | |
1415 | }, | |
1416 | .result = REJECT, | |
1417 | .errstr = "invalid stack type R3 off=-512 access_size=2147483647", | |
1418 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1419 | }, | |
1420 | { | |
1421 | "raw_stack: skb_load_bytes, invalid access 6", | |
1422 | .insns = { | |
1423 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1424 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1425 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512), | |
1426 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1427 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
1428 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1429 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1430 | BPF_EXIT_INSN(), | |
1431 | }, | |
1432 | .result = REJECT, | |
1433 | .errstr = "invalid stack type R3 off=-512 access_size=0", | |
1434 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1435 | }, | |
1436 | { | |
1437 | "raw_stack: skb_load_bytes, large access", | |
1438 | .insns = { | |
1439 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
1440 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
1441 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512), | |
1442 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
1443 | BPF_MOV64_IMM(BPF_REG_4, 512), | |
1444 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), | |
1445 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
1446 | BPF_EXIT_INSN(), | |
1447 | }, | |
1448 | .result = ACCEPT, | |
1449 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1450 | }, | |
883e44e4 AS |
1451 | { |
1452 | "pkt: test1", | |
1453 | .insns = { | |
1454 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
1455 | offsetof(struct __sk_buff, data)), | |
1456 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
1457 | offsetof(struct __sk_buff, data_end)), | |
1458 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
1459 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
1460 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
1461 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
1462 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1463 | BPF_EXIT_INSN(), | |
1464 | }, | |
1465 | .result = ACCEPT, | |
1466 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1467 | }, | |
1468 | { | |
1469 | "pkt: test2", | |
1470 | .insns = { | |
1471 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
1472 | BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, | |
1473 | offsetof(struct __sk_buff, data_end)), | |
1474 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
1475 | offsetof(struct __sk_buff, data)), | |
1476 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), | |
1477 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14), | |
1478 | BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 15), | |
1479 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 7), | |
1480 | BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_3, 12), | |
1481 | BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 14), | |
1482 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
1483 | offsetof(struct __sk_buff, data)), | |
1484 | BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_4), | |
1485 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_1), | |
1486 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 48), | |
1487 | BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 48), | |
1488 | BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2), | |
1489 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_3), | |
1490 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8), | |
1491 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
1492 | offsetof(struct __sk_buff, data_end)), | |
1493 | BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1), | |
1494 | BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_3, 4), | |
1495 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1496 | BPF_EXIT_INSN(), | |
1497 | }, | |
1498 | .result = ACCEPT, | |
1499 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1500 | }, | |
1501 | { | |
1502 | "pkt: test3", | |
1503 | .insns = { | |
1504 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
1505 | offsetof(struct __sk_buff, data)), | |
1506 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1507 | BPF_EXIT_INSN(), | |
1508 | }, | |
1509 | .errstr = "invalid bpf_context access off=76", | |
1510 | .result = REJECT, | |
1511 | .prog_type = BPF_PROG_TYPE_SOCKET_FILTER, | |
1512 | }, | |
1513 | { | |
1514 | "pkt: test4", | |
1515 | .insns = { | |
1516 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
1517 | offsetof(struct __sk_buff, data)), | |
1518 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
1519 | offsetof(struct __sk_buff, data_end)), | |
1520 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
1521 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
1522 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
1523 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
1524 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1525 | BPF_EXIT_INSN(), | |
1526 | }, | |
1527 | .errstr = "cannot write", | |
1528 | .result = REJECT, | |
1529 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1530 | }, | |
3c731eba AS |
1531 | }; |
1532 | ||
1533 | static int probe_filter_length(struct bpf_insn *fp) | |
1534 | { | |
1535 | int len = 0; | |
1536 | ||
1537 | for (len = MAX_INSNS - 1; len > 0; --len) | |
1538 | if (fp[len].code != 0 || fp[len].imm != 0) | |
1539 | break; | |
1540 | ||
1541 | return len + 1; | |
1542 | } | |
1543 | ||
1544 | static int create_map(void) | |
1545 | { | |
3c731eba AS |
1546 | int map_fd; |
1547 | ||
bf508877 | 1548 | map_fd = bpf_create_map(BPF_MAP_TYPE_HASH, |
89b97607 | 1549 | sizeof(long long), sizeof(long long), 1024, 0); |
bf508877 | 1550 | if (map_fd < 0) |
3c731eba | 1551 | printf("failed to create map '%s'\n", strerror(errno)); |
bf508877 AS |
1552 | |
1553 | return map_fd; | |
1554 | } | |
1555 | ||
1556 | static int create_prog_array(void) | |
1557 | { | |
1558 | int map_fd; | |
1559 | ||
1560 | map_fd = bpf_create_map(BPF_MAP_TYPE_PROG_ARRAY, | |
89b97607 | 1561 | sizeof(int), sizeof(int), 4, 0); |
bf508877 AS |
1562 | if (map_fd < 0) |
1563 | printf("failed to create prog_array '%s'\n", strerror(errno)); | |
3c731eba AS |
1564 | |
1565 | return map_fd; | |
1566 | } | |
1567 | ||
1568 | static int test(void) | |
1569 | { | |
342ded40 | 1570 | int prog_fd, i, pass_cnt = 0, err_cnt = 0; |
bf508877 | 1571 | bool unpriv = geteuid() != 0; |
3c731eba AS |
1572 | |
1573 | for (i = 0; i < ARRAY_SIZE(tests); i++) { | |
1574 | struct bpf_insn *prog = tests[i].insns; | |
d691f9e8 | 1575 | int prog_type = tests[i].prog_type; |
3c731eba AS |
1576 | int prog_len = probe_filter_length(prog); |
1577 | int *fixup = tests[i].fixup; | |
bf508877 AS |
1578 | int *prog_array_fixup = tests[i].prog_array_fixup; |
1579 | int expected_result; | |
1580 | const char *expected_errstr; | |
1581 | int map_fd = -1, prog_array_fd = -1; | |
3c731eba AS |
1582 | |
1583 | if (*fixup) { | |
1584 | map_fd = create_map(); | |
1585 | ||
1586 | do { | |
1587 | prog[*fixup].imm = map_fd; | |
1588 | fixup++; | |
1589 | } while (*fixup); | |
1590 | } | |
bf508877 AS |
1591 | if (*prog_array_fixup) { |
1592 | prog_array_fd = create_prog_array(); | |
1593 | ||
1594 | do { | |
1595 | prog[*prog_array_fixup].imm = prog_array_fd; | |
1596 | prog_array_fixup++; | |
1597 | } while (*prog_array_fixup); | |
1598 | } | |
3c731eba AS |
1599 | printf("#%d %s ", i, tests[i].descr); |
1600 | ||
d691f9e8 AS |
1601 | prog_fd = bpf_prog_load(prog_type ?: BPF_PROG_TYPE_SOCKET_FILTER, |
1602 | prog, prog_len * sizeof(struct bpf_insn), | |
b896c4f9 | 1603 | "GPL", 0); |
3c731eba | 1604 | |
bf508877 AS |
1605 | if (unpriv && tests[i].result_unpriv != UNDEF) |
1606 | expected_result = tests[i].result_unpriv; | |
1607 | else | |
1608 | expected_result = tests[i].result; | |
1609 | ||
1610 | if (unpriv && tests[i].errstr_unpriv) | |
1611 | expected_errstr = tests[i].errstr_unpriv; | |
1612 | else | |
1613 | expected_errstr = tests[i].errstr; | |
1614 | ||
1615 | if (expected_result == ACCEPT) { | |
3c731eba AS |
1616 | if (prog_fd < 0) { |
1617 | printf("FAIL\nfailed to load prog '%s'\n", | |
1618 | strerror(errno)); | |
1619 | printf("%s", bpf_log_buf); | |
342ded40 | 1620 | err_cnt++; |
3c731eba AS |
1621 | goto fail; |
1622 | } | |
1623 | } else { | |
1624 | if (prog_fd >= 0) { | |
1625 | printf("FAIL\nunexpected success to load\n"); | |
1626 | printf("%s", bpf_log_buf); | |
342ded40 | 1627 | err_cnt++; |
3c731eba AS |
1628 | goto fail; |
1629 | } | |
bf508877 | 1630 | if (strstr(bpf_log_buf, expected_errstr) == 0) { |
3c731eba AS |
1631 | printf("FAIL\nunexpected error message: %s", |
1632 | bpf_log_buf); | |
342ded40 | 1633 | err_cnt++; |
3c731eba AS |
1634 | goto fail; |
1635 | } | |
1636 | } | |
1637 | ||
342ded40 | 1638 | pass_cnt++; |
3c731eba AS |
1639 | printf("OK\n"); |
1640 | fail: | |
1641 | if (map_fd >= 0) | |
1642 | close(map_fd); | |
bf508877 AS |
1643 | if (prog_array_fd >= 0) |
1644 | close(prog_array_fd); | |
3c731eba AS |
1645 | close(prog_fd); |
1646 | ||
1647 | } | |
342ded40 | 1648 | printf("Summary: %d PASSED, %d FAILED\n", pass_cnt, err_cnt); |
3c731eba AS |
1649 | |
1650 | return 0; | |
1651 | } | |
1652 | ||
1653 | int main(void) | |
1654 | { | |
bf508877 AS |
1655 | struct rlimit r = {1 << 20, 1 << 20}; |
1656 | ||
1657 | setrlimit(RLIMIT_MEMLOCK, &r); | |
3c731eba AS |
1658 | return test(); |
1659 | } |