Re: [PATCH v5 6/6] crypto: AF_ALG - add support for key_id

From: kbuild test robot
Date: Fri Apr 15 2016 - 17:33:52 EST

Hi Tadeusz,

[auto build test ERROR on cryptodev/master]
[also build test ERROR on v4.6-rc3 next-20160415]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Tadeusz-Struk/crypto-algif-add-akcipher/20160416-043207
base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: i386-allmodconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All error/warnings (new ones prefixed by >>):

crypto/algif_akcipher.c: In function 'asym_key_encrypt':
>> crypto/algif_akcipher.c:331:9: error: variable 'params' has initializer but incomplete type
struct kernel_pkey_params params = {0};
^
>> crypto/algif_akcipher.c:331:38: warning: excess elements in struct initializer
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c:331:38: note: (near initialization for 'params')
>> crypto/algif_akcipher.c:331:28: error: storage size of 'params' isn't known
struct kernel_pkey_params params = {0};
^
>> crypto/algif_akcipher.c:357:8: error: implicit declaration of function 'encrypt_blob' [-Werror=implicit-function-declaration]
ret = encrypt_blob(&params, in, out);
^
>> crypto/algif_akcipher.c:331:28: warning: unused variable 'params' [-Wunused-variable]
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c: In function 'asym_key_decrypt':
crypto/algif_akcipher.c:371:9: error: variable 'params' has initializer but incomplete type
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c:371:38: warning: excess elements in struct initializer
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c:371:38: note: (near initialization for 'params')
crypto/algif_akcipher.c:371:28: error: storage size of 'params' isn't known
struct kernel_pkey_params params = {0};
^
>> crypto/algif_akcipher.c:397:8: error: implicit declaration of function 'decrypt_blob' [-Werror=implicit-function-declaration]
ret = decrypt_blob(&params, in, out);
^
crypto/algif_akcipher.c:371:28: warning: unused variable 'params' [-Wunused-variable]
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c: In function 'asym_key_sign':
crypto/algif_akcipher.c:411:9: error: variable 'params' has initializer but incomplete type
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c:411:38: warning: excess elements in struct initializer
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c:411:38: note: (near initialization for 'params')
crypto/algif_akcipher.c:411:28: error: storage size of 'params' isn't known
struct kernel_pkey_params params = {0};
^
>> crypto/algif_akcipher.c:437:8: error: implicit declaration of function 'create_signature' [-Werror=implicit-function-declaration]
ret = create_signature(&params, in, out);
^
crypto/algif_akcipher.c:411:28: warning: unused variable 'params' [-Wunused-variable]
struct kernel_pkey_params params = {0};
^
crypto/algif_akcipher.c: In function 'asym_key_verify':
>> crypto/algif_akcipher.c:465:5: error: 'struct public_key_signature' has no member named 'encoding'
sig.encoding = "pkcs1";
^
cc1: some warnings being treated as errors

vim +/params +331 crypto/algif_akcipher.c

325
326 return err ? err : size;
327 }
328
329 static int asym_key_encrypt(const struct key *key, struct akcipher_request *req)
330 {
> 331 struct kernel_pkey_params params = {0};
332 char *src = NULL, *dst = NULL, *in, *out;
333 int ret;
334
335 if (!sg_is_last(req->src)) {
336 src = kmalloc(req->src_len, GFP_KERNEL);
337 if (!src)
338 return -ENOMEM;
339 scatterwalk_map_and_copy(src, req->src, 0, req->src_len, 0);
340 in = src;
341 } else {
342 in = sg_virt(req->src);
343 }
344 if (!sg_is_last(req->dst)) {
345 dst = kmalloc(req->dst_len, GFP_KERNEL);
346 if (!dst) {
347 kfree(src);
348 return -ENOMEM;
349 }
350 out = dst;
351 } else {
352 out = sg_virt(req->dst);
353 }
354 params.key = (struct key *)key;
355 params.data_len = req->src_len;
356 params.enc_len = req->dst_len;
> 357 ret = encrypt_blob(&params, in, out);
358 if (ret)
359 goto free;
360
361 if (dst)
362 scatterwalk_map_and_copy(dst, req->dst, 0, req->dst_len, 1);
363 free:
364 kfree(src);
365 kfree(dst);
366 return ret;
367 }
368
369 static int asym_key_decrypt(const struct key *key, struct akcipher_request *req)
370 {
> 371 struct kernel_pkey_params params = {0};
372 char *src = NULL, *dst = NULL, *in, *out;
373 int ret;
374
375 if (!sg_is_last(req->src)) {
376 src = kmalloc(req->src_len, GFP_KERNEL);
377 if (!src)
378 return -ENOMEM;
379 scatterwalk_map_and_copy(src, req->src, 0, req->src_len, 0);
380 in = src;
381 } else {
382 in = sg_virt(req->src);
383 }
384 if (!sg_is_last(req->dst)) {
385 dst = kmalloc(req->dst_len, GFP_KERNEL);
386 if (!dst) {
387 kfree(src);
388 return -ENOMEM;
389 }
390 out = dst;
391 } else {
392 out = sg_virt(req->dst);
393 }
394 params.key = (struct key *)key;
395 params.data_len = req->src_len;
396 params.enc_len = req->dst_len;
> 397 ret = decrypt_blob(&params, in, out);
398 if (ret)
399 goto free;
400
401 if (dst)
402 scatterwalk_map_and_copy(dst, req->dst, 0, req->dst_len, 1);
403 free:
404 kfree(src);
405 kfree(dst);
406 return ret;
407 }
408
409 static int asym_key_sign(const struct key *key, struct akcipher_request *req)
410 {
> 411 struct kernel_pkey_params params = {0};
412 char *src = NULL, *dst = NULL, *in, *out;
413 int ret;
414
415 if (!sg_is_last(req->src)) {
416 src = kmalloc(req->src_len, GFP_KERNEL);
417 if (!src)
418 return -ENOMEM;
419 scatterwalk_map_and_copy(src, req->src, 0, req->src_len, 0);
420 in = src;
421 } else {
422 in = sg_virt(req->src);
423 }
424 if (!sg_is_last(req->dst)) {
425 dst = kmalloc(req->dst_len, GFP_KERNEL);
426 if (!dst) {
427 kfree(src);
428 return -ENOMEM;
429 }
430 out = dst;
431 } else {
432 out = sg_virt(req->dst);
433 }
434 params.key = (struct key *)key;
435 params.data_len = req->src_len;
436 params.enc_len = req->dst_len;
> 437 ret = create_signature(&params, in, out);
438 if (ret)
439 goto free;
440
441 if (dst)
442 scatterwalk_map_and_copy(dst, req->dst, 0, req->dst_len, 1);
443 free:
444 kfree(src);
445 kfree(dst);
446 return ret;
447 }
448
449 static int asym_key_verify(const struct key *key, struct akcipher_request *req)
450 {
451 struct public_key_signature sig;
452 char *src = NULL, *in;
453 int ret;
454
455 if (!sg_is_last(req->src)) {
456 src = kmalloc(req->src_len, GFP_KERNEL);
457 if (!src)
458 return -ENOMEM;
459 scatterwalk_map_and_copy(src, req->src, 0, req->src_len, 0);
460 in = src;
461 } else {
462 in = sg_virt(req->src);
463 }
464 sig.pkey_algo = "rsa";
> 465 sig.encoding = "pkcs1";
466 /* Need to find a way to pass the hash param */
467 sig.hash_algo = "sha1";
468 sig.digest_size = 20;

---
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