tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: 43d4042e06d2bf96adf67d25e8d91653507a4cf9 [3098/3098] KEYS: Provide a function to load keys from a PGP keyring blob config: x86_64-randconfig-003-20251104 (https://download.01.org/0day-ci/archive/20251104/202511040423.NnaZjkS6-lkp@i...) compiler: gcc-13 (Debian 13.3.0-16) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251104/202511040423.NnaZjkS6-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511040423.NnaZjkS6-lkp@intel.com/ All warnings (new ones prefixed by >>): crypto/asymmetric_keys/pgp_preload.c:25:34: error: field 'pgp' has incomplete type 25 | struct pgp_parse_context pgp; | ^~~

...

crypto/asymmetric_keys/pgp_preload.c:63:38: warning: 'enum pgp_packet_tag' declared inside parameter list will not be visible outside of this definition or declaration 63 | enum pgp_packet_tag type, u8 headerlen, | ^~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c:63:53: error: parameter 2 ('type') has incomplete type 63 | enum pgp_packet_tag type, u8 headerlen, | ~~~~~~~~~~~~~~~~~~~~^~~~ crypto/asymmetric_keys/pgp_preload.c:62:19: error: function declaration isn't a prototype [-Werror=strict-prototypes] 62 | static int __init found_pgp_key(struct pgp_parse_context *context, | ^~~~~~~~~~~~~ In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/module.h:12, from crypto/asymmetric_keys/pgp_preload.c:17: crypto/asymmetric_keys/pgp_preload.c: In function 'found_pgp_key': include/linux/compiler_types.h:374:27: error: expression in static assertion is not an integer 374 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert' 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~ include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~~~ include/linux/container_of.h:20:23: note: in expansion of macro '__same_type' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c:67:17: note: in expansion of macro 'container_of' 67 | container_of(context, struct preload_pgp_keys_context, pgp); | ^~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c: At top level: crypto/asymmetric_keys/pgp_preload.c:101:12: warning: no previous prototype for 'preload_pgp_keys' [-Wmissing-prototypes] 101 | int __init preload_pgp_keys(const u8 *pgpdata, size_t pgpdatalen, | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c: In function 'preload_pgp_keys': crypto/asymmetric_keys/pgp_preload.c:107:43: error: 'PGP_PKT_PUBLIC_KEY' undeclared (first use in this function) 107 | ctx.pgp.types_of_interest = (1 << PGP_PKT_PUBLIC_KEY); | ^~~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c:107:43: note: each undeclared identifier is reported only once for each function it appears in crypto/asymmetric_keys/pgp_preload.c:112:15: error: implicit declaration of function 'pgp_parse_packets' [-Werror=implicit-function-declaration] 112 | ret = pgp_parse_packets(pgpdata, pgpdatalen, &ctx.pgp); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- crypto/asymmetric_keys/pgp_public_key.c:37:34: error: field 'pgp' has incomplete type 37 | struct pgp_parse_context pgp; | ^~~ crypto/asymmetric_keys/pgp_public_key.c:50:39: warning: 'struct pgp_parse_pubkey' declared inside parameter list will not be visible outside of this definition or declaration 50 | struct pgp_parse_pubkey *pgp, | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_calc_pkey_keyid': crypto/asymmetric_keys/pgp_public_key.c:63:9: error: implicit declaration of function 'kenter' [-Werror=implicit-function-declaration] 63 | kenter(""); | ^~~~~~ crypto/asymmetric_keys/pgp_public_key.c:65:17: error: invalid use of undefined type 'struct pgp_parse_pubkey' 65 | n = (pgp->version < PGP_KEY_VERSION_4) ? 8 : 6; | ^~ crypto/asymmetric_keys/pgp_public_key.c:65:29: error: 'PGP_KEY_VERSION_4' undeclared (first use in this function) 65 | n = (pgp->version < PGP_KEY_VERSION_4) ? 8 : 6; | ^~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:65:29: note: each undeclared identifier is reported only once for each function it appears in crypto/asymmetric_keys/pgp_public_key.c:67:23: error: implicit declaration of function 'mpi_key_length' [-Werror=implicit-function-declaration] 67 | ret = mpi_key_length(key_ptr, keylen, nb + i, nn + i); | ^~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:87:32: error: invalid use of undefined type 'struct pgp_parse_pubkey' 87 | digest_putc(digest, pgp->version); | ^~ crypto/asymmetric_keys/pgp_public_key.c:89:18: error: invalid use of undefined type 'struct pgp_parse_pubkey' 89 | a32 = pgp->creation_time; | ^~ crypto/asymmetric_keys/pgp_public_key.c:95:16: error: invalid use of undefined type 'struct pgp_parse_pubkey' 95 | if (pgp->version < PGP_KEY_VERSION_4) { | ^~ crypto/asymmetric_keys/pgp_public_key.c:98:24: error: invalid use of undefined type 'struct pgp_parse_pubkey' 98 | if (pgp->expires_at) | ^~ crypto/asymmetric_keys/pgp_public_key.c:99:35: error: invalid use of undefined type 'struct pgp_parse_pubkey' 99 | a16 = (pgp->expires_at - pgp->creation_time) / 86400UL; | ^~ crypto/asymmetric_keys/pgp_public_key.c:99:53: error: invalid use of undefined type 'struct pgp_parse_pubkey' 99 | a16 = (pgp->expires_at - pgp->creation_time) / 86400UL; | ^~ crypto/asymmetric_keys/pgp_public_key.c:106:32: error: invalid use of undefined type 'struct pgp_parse_pubkey' 106 | digest_putc(digest, pgp->pubkey_algo); | ^~ crypto/asymmetric_keys/pgp_public_key.c:115:9: error: implicit declaration of function 'kleave' [-Werror=implicit-function-declaration] 115 | kleave(" = %d", ret); | ^~~~~~ crypto/asymmetric_keys/pgp_public_key.c: At top level: crypto/asymmetric_keys/pgp_public_key.c:123:44: warning: 'struct pgp_parse_pubkey' declared inside parameter list will not be visible outside of this definition or declaration 123 | struct pgp_parse_pubkey *pgp, | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_generate_fingerprint': crypto/asymmetric_keys/pgp_public_key.c:134:37: error: invalid use of undefined type 'struct pgp_parse_pubkey' 134 | tfm = crypto_alloc_shash(pgp->version < PGP_KEY_VERSION_4 ? | ^~ crypto/asymmetric_keys/pgp_public_key.c:134:49: error: 'PGP_KEY_VERSION_4' undeclared (first use in this function) 134 | tfm = crypto_alloc_shash(pgp->version < PGP_KEY_VERSION_4 ? | ^~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:150:43: error: passing argument 2 of 'pgp_calc_pkey_keyid' from incompatible pointer type [-Werror=incompatible-pointer-types] 150 | ret = pgp_calc_pkey_keyid(digest, pgp, pub); | ^~~ | | | struct pgp_parse_pubkey * crypto/asymmetric_keys/pgp_public_key.c:50:57: note: expected 'struct pgp_parse_pubkey *' but argument is of type 'struct pgp_parse_pubkey *' 50 | struct pgp_parse_pubkey *pgp, | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~ crypto/asymmetric_keys/pgp_public_key.c: At top level: crypto/asymmetric_keys/pgp_public_key.c:199:40: warning: 'enum pgp_packet_tag' declared inside parameter list will not be visible outside of this definition or declaration 199 | enum pgp_packet_tag type, | ^~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:199:55: error: parameter 2 ('type') has incomplete type 199 | enum pgp_packet_tag type, | ~~~~~~~~~~~~~~~~~~~~^~~~ crypto/asymmetric_keys/pgp_public_key.c:198:12: error: function declaration isn't a prototype [-Werror=strict-prototypes] 198 | static int pgp_process_public_key(struct pgp_parse_context *context, | ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/module.h:12, from crypto/asymmetric_keys/pgp_public_key.c:16: crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_process_public_key': include/linux/compiler_types.h:374:27: error: expression in static assertion is not an integer 374 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert' 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~ include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~~~ include/linux/container_of.h:20:23: note: in expansion of macro '__same_type' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:206:17: note: in expansion of macro 'container_of' 206 | container_of(context, struct pgp_key_data_parse_context, pgp); | ^~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:207:33: error: storage size of 'pgp' isn't known 207 | struct pgp_parse_pubkey pgp; | ^~~ crypto/asymmetric_keys/pgp_public_key.c:213:21: error: 'PGP_PKT_USER_ID' undeclared (first use in this function) 213 | if (type == PGP_PKT_USER_ID) { | ^~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:230:15: error: implicit declaration of function 'pgp_parse_public_key'; did you mean 'pgp_process_public_key'? [-Werror=implicit-function-declaration] 230 | ret = pgp_parse_public_key(&data, &datalen, &pgp); | ^~~~~~~~~~~~~~~~~~~~ | pgp_process_public_key crypto/asymmetric_keys/pgp_public_key.c:234:32: error: 'PGP_PUBKEY__LAST' undeclared (first use in this function) 234 | if (pgp.pubkey_algo >= PGP_PUBKEY__LAST) | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:236:16: error: 'pgp_to_public_key_algo' undeclared (first use in this function) 236 | algo = pgp_to_public_key_algo[pgp.pubkey_algo]; | ^~~~~~~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:207:33: warning: unused variable 'pgp' [-Wunused-variable] 207 | struct pgp_parse_pubkey pgp; | ^~~ crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_key_parse': crypto/asymmetric_keys/pgp_public_key.c:313:43: error: 'PGP_PKT_PUBLIC_KEY' undeclared (first use in this function) 313 | ctx.pgp.types_of_interest = (1 << PGP_PKT_PUBLIC_KEY) | | ^~~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:314:43: error: 'PGP_PKT_USER_ID' undeclared (first use in this function) 314 | (1 << PGP_PKT_USER_ID); | ^~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:317:15: error: implicit declaration of function 'pgp_parse_packets' [-Werror=implicit-function-declaration] 317 | ret = pgp_parse_packets(prep->data, prep->datalen, &ctx.pgp); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_KEY_PARSER Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n] Selected by [y]: - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] vim +63 crypto/asymmetric_keys/pgp_preload.c 58 59 /* 60 * Extract a public key or subkey from the PGP stream. 61 */ 62 static int __init found_pgp_key(struct pgp_parse_context *context,

63 enum pgp_packet_tag type, u8 headerlen, 64 const u8 *data, size_t datalen) 65 { 66 struct preload_pgp_keys_context *ctx = 67 container_of(context, struct preload_pgp_keys_context, pgp); 68 int ret; 69 70 if (ctx->found_key) { 71 ctx->key_end = data - headerlen; 72 ret = create_pgp_key(ctx); 73 if (ret < 0) 74 return ret; 75 } 76 77 ctx->key_start = data - headerlen; 78 ctx->found_key = true; 79 return 0; 80 } 81 82 /** 83 * preload_pgp_keys - Load keys from a PGP keyring blob 84 * @pgpdata: The PGP keyring blob containing the keys. 85 * @pgpdatalen: The size of the @pgpdata blob. 86 * @keyring: The keyring to add the new keys to. 87 * 88 * Preload a pack of keys from a PGP keyring blob. 89 * 90 * The keys have their descriptions generated from the user ID and fingerprint 91 * in the PGP stream. Since keys can be matched on their key IDs independently 92 * of the key description, the description is mostly irrelevant apart from the 93 * fact that keys of the same description displace one another from a keyring. 94 * 95 * The caller should override the current creds if they want the keys to be 96 * owned by someone other than the current process's owner. Keys will not be 97 * accounted towards the owner's quota. 98 * 99 * This function may only be called whilst the kernel is booting. 100 */ 101 int __init preload_pgp_keys(const u8 *pgpdata, size_t pgpdatalen, 102 struct key *keyring) 103 { 104 struct preload_pgp_keys_context ctx; 105 int ret; 106 107 ctx.pgp.types_of_interest = (1 << PGP_PKT_PUBLIC_KEY); 108 ctx.pgp.process_packet = found_pgp_key; 109 ctx.keyring = make_key_ref(keyring, 1); 110 ctx.found_key = false; 111 112 ret = pgp_parse_packets(pgpdata, pgpdatalen, &ctx.pgp); 113 if (ret < 0) 114 return ret; 115 116 if (ctx.found_key) { 117 ctx.key_end = pgpdata + pgpdatalen; 118 return create_pgp_key(&ctx); 119 } 120 return 0; 121 } 122

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