tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 1b4212c630731d88b07d5b6e28ecaff1a76d3839 commit: 43d4042e06d2bf96adf67d25e8d91653507a4cf9 [3338/6857] KEYS: Provide a function to load keys from a PGP keyring blob config: x86_64-randconfig-071-20240323 (https://download.01.org/0day-ci/archive/20240323/202403231835.9j4F9Ajt-lkp@i...) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240323/202403231835.9j4F9Ajt-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/202403231835.9j4F9Ajt-lkp@intel.com/ All warnings (new ones prefixed by >>): crypto/asymmetric_keys/pgp_preload.c:25:27: error: field has incomplete type 'struct pgp_parse_context' 25 | struct pgp_parse_context pgp; | ^ crypto/asymmetric_keys/pgp_preload.c:25:9: note: forward declaration of 'struct pgp_parse_context' 25 | struct pgp_parse_context pgp; | ^

...

crypto/asymmetric_keys/pgp_preload.c:63:10: warning: declaration of 'enum pgp_packet_tag' will not be visible outside of this function [-Wvisibility] 63 | enum pgp_packet_tag type, u8 headerlen, | ^ crypto/asymmetric_keys/pgp_preload.c:63:25: error: variable has incomplete type 'enum pgp_packet_tag' 63 | enum pgp_packet_tag type, u8 headerlen, | ^ crypto/asymmetric_keys/pgp_preload.c:63:10: note: forward declaration of 'enum pgp_packet_tag' 63 | enum pgp_packet_tag type, u8 headerlen, | ^ crypto/asymmetric_keys/pgp_preload.c:107:36: error: use of undeclared identifier 'PGP_PKT_PUBLIC_KEY' 107 | ctx.pgp.types_of_interest = (1 << PGP_PKT_PUBLIC_KEY); | ^ crypto/asymmetric_keys/pgp_preload.c:112:8: error: call to undeclared function 'pgp_parse_packets'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 112 | ret = pgp_parse_packets(pgpdata, pgpdatalen, &ctx.pgp); | ^ crypto/asymmetric_keys/pgp_preload.c:101:12: warning: no previous prototype for function 'preload_pgp_keys' [-Wmissing-prototypes] 101 | int __init preload_pgp_keys(const u8 *pgpdata, size_t pgpdatalen, | ^ crypto/asymmetric_keys/pgp_preload.c:101:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 101 | int __init preload_pgp_keys(const u8 *pgpdata, size_t pgpdatalen, | ^ | static 2 warnings and 4 errors generated. -- crypto/asymmetric_keys/pgp_public_key.c:37:27: error: field has incomplete type 'struct pgp_parse_context' 37 | struct pgp_parse_context pgp; | ^ crypto/asymmetric_keys/pgp_public_key.c:37:9: note: forward declaration of 'struct pgp_parse_context' 37 | struct pgp_parse_context pgp; | ^ crypto/asymmetric_keys/pgp_public_key.c:50:18: warning: declaration of 'struct pgp_parse_pubkey' will not be visible outside of this function [-Wvisibility] 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:63:2: error: call to undeclared function 'kenter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 63 | kenter(""); | ^ crypto/asymmetric_keys/pgp_public_key.c:65:10: error: incomplete definition of type 'struct pgp_parse_pubkey' 65 | n = (pgp->version < PGP_KEY_VERSION_4) ? 8 : 6; | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:65:22: error: use of undeclared identifier 'PGP_KEY_VERSION_4' 65 | n = (pgp->version < PGP_KEY_VERSION_4) ? 8 : 6; | ^ crypto/asymmetric_keys/pgp_public_key.c:67:9: error: call to undeclared function 'mpi_key_length'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 67 | ret = mpi_key_length(key_ptr, keylen, nb + i, nn + i); | ^ crypto/asymmetric_keys/pgp_public_key.c:87:25: error: incomplete definition of type 'struct pgp_parse_pubkey' 87 | digest_putc(digest, pgp->version); | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:89:11: error: incomplete definition of type 'struct pgp_parse_pubkey' 89 | a32 = pgp->creation_time; | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:95:9: error: incomplete definition of type 'struct pgp_parse_pubkey' 95 | if (pgp->version < PGP_KEY_VERSION_4) { | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:95:21: error: use of undeclared identifier 'PGP_KEY_VERSION_4' 95 | if (pgp->version < PGP_KEY_VERSION_4) { | ^ crypto/asymmetric_keys/pgp_public_key.c:98:10: error: incomplete definition of type 'struct pgp_parse_pubkey' 98 | if (pgp->expires_at) | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:99:14: error: incomplete definition of type 'struct pgp_parse_pubkey' 99 | a16 = (pgp->expires_at - pgp->creation_time) / 86400UL; | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:99:32: error: incomplete definition of type 'struct pgp_parse_pubkey' 99 | a16 = (pgp->expires_at - pgp->creation_time) / 86400UL; | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:106:25: error: incomplete definition of type 'struct pgp_parse_pubkey' 106 | digest_putc(digest, pgp->pubkey_algo); | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:50:18: note: forward declaration of 'struct pgp_parse_pubkey' 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:115:2: error: call to undeclared function 'kleave'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 115 | kleave(" = %d", ret); | ^ crypto/asymmetric_keys/pgp_public_key.c:123:16: warning: declaration of 'struct pgp_parse_pubkey' will not be visible outside of this function [-Wvisibility] 123 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:134:30: error: incomplete definition of type 'struct pgp_parse_pubkey' 134 | tfm = crypto_alloc_shash(pgp->version < PGP_KEY_VERSION_4 ? | ~~~^ crypto/asymmetric_keys/pgp_public_key.c:123:16: note: forward declaration of 'struct pgp_parse_pubkey' 123 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:134:42: error: use of undeclared identifier 'PGP_KEY_VERSION_4' 134 | tfm = crypto_alloc_shash(pgp->version < PGP_KEY_VERSION_4 ? | ^ crypto/asymmetric_keys/pgp_public_key.c:150:36: error: incompatible pointer types passing 'struct pgp_parse_pubkey *' to parameter of type 'struct pgp_parse_pubkey *' [-Werror,-Wincompatible-pointer-types] 150 | ret = pgp_calc_pkey_keyid(digest, pgp, pub); | ^~~ crypto/asymmetric_keys/pgp_public_key.c:50:36: note: passing argument to parameter 'pgp' here 50 | struct pgp_parse_pubkey *pgp, | ^ crypto/asymmetric_keys/pgp_public_key.c:191:2: error: call to undeclared function 'kleave'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 191 | kleave(" = %d", ret); | ^ crypto/asymmetric_keys/pgp_public_key.c:199:12: warning: declaration of 'enum pgp_packet_tag' will not be visible outside of this function [-Wvisibility] 199 | enum pgp_packet_tag type, | ^ crypto/asymmetric_keys/pgp_public_key.c:199:27: error: variable has incomplete type 'enum pgp_packet_tag' 199 | enum pgp_packet_tag type, | ^ crypto/asymmetric_keys/pgp_public_key.c:199:12: note: forward declaration of 'enum pgp_packet_tag' 199 | enum pgp_packet_tag type, | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 3 warnings and 20 errors generated.

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for DRM_I915_DEBUG_GEM Depends on [n]: HAS_IOMEM [=y] && DRM_I915 [=y] && EXPERT [=y] && DRM_I915_WERROR [=n] Selected by [y]: - DRM_I915_DEBUG [=y] && HAS_IOMEM [=y] && DRM_I915 [=y] && EXPERT [=y] && !COMPILE_TEST [=n] 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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