KMSAN is unable to understand when initialized values come from assembly. Disable accelerated configs in KMSAN builds to prevent false positive reports. Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx> To: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Eric Biggers <ebiggers@xxxxxxxxxx> Cc: Vegard Nossum <vegard.nossum@xxxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: linux-mm@xxxxxxxxx --- v4: - shorten comments as requested by Marco Elver v5: - move the 'depends' directives together, added missing configs as requested by Eric Biggers Change-Id: Iddc71a2a27360e036d719c0940ebf15553cf8de8 --- crypto/Kconfig | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/crypto/Kconfig b/crypto/Kconfig index c24a47406f8f5..5035e8b2b033f 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -268,6 +268,7 @@ config CRYPTO_CURVE25519 config CRYPTO_CURVE25519_X86 tristate "x86_64 accelerated Curve25519 scalar multiplication library" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_LIB_CURVE25519_GENERIC select CRYPTO_ARCH_HAVE_LIB_CURVE25519 @@ -317,11 +318,13 @@ config CRYPTO_AEGIS128_SIMD bool "Support SIMD acceleration for AEGIS-128" depends on CRYPTO_AEGIS128 && ((ARM || ARM64) && KERNEL_MODE_NEON) depends on !ARM || CC_IS_CLANG || GCC_VERSION >= 40800 + depends on !KMSAN # avoid false positives from assembly default y config CRYPTO_AEGIS128_AESNI_SSE2 tristate "AEGIS-128 AEAD algorithm (x86_64 AESNI+SSE2 implementation)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_AEAD select CRYPTO_SIMD help @@ -458,6 +461,7 @@ config CRYPTO_NHPOLY1305 config CRYPTO_NHPOLY1305_SSE2 tristate "NHPoly1305 hash function (x86_64 SSE2 implementation)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_NHPOLY1305 help SSE2 optimized implementation of the hash function used by the @@ -466,6 +470,7 @@ config CRYPTO_NHPOLY1305_SSE2 config CRYPTO_NHPOLY1305_AVX2 tristate "NHPoly1305 hash function (x86_64 AVX2 implementation)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_NHPOLY1305 help AVX2 optimized implementation of the hash function used by the @@ -579,6 +584,7 @@ config CRYPTO_CRC32C config CRYPTO_CRC32C_INTEL tristate "CRC32c INTEL hardware acceleration" depends on X86 + depends on !KMSAN # avoid false positives from assembly select CRYPTO_HASH help In Intel processor with SSE4.2 supported, the processor will @@ -619,6 +625,7 @@ config CRYPTO_CRC32 config CRYPTO_CRC32_PCLMUL tristate "CRC32 PCLMULQDQ hardware acceleration" depends on X86 + depends on !KMSAN # avoid false positives from assembly select CRYPTO_HASH select CRC32 help @@ -684,6 +691,7 @@ config CRYPTO_BLAKE2S config CRYPTO_BLAKE2S_X86 tristate "BLAKE2s digest algorithm (x86 accelerated version)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_LIB_BLAKE2S_GENERIC select CRYPTO_ARCH_HAVE_LIB_BLAKE2S @@ -698,6 +706,7 @@ config CRYPTO_CRCT10DIF config CRYPTO_CRCT10DIF_PCLMUL tristate "CRCT10DIF PCLMULQDQ hardware acceleration" depends on X86 && 64BIT && CRC_T10DIF + depends on !KMSAN # avoid false positives from assembly select CRYPTO_HASH help For x86_64 processors with SSE4.2 and PCLMULQDQ supported, @@ -745,6 +754,7 @@ config CRYPTO_POLY1305 config CRYPTO_POLY1305_X86_64 tristate "Poly1305 authenticator algorithm (x86_64/SSE2/AVX2)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_LIB_POLY1305_GENERIC select CRYPTO_ARCH_HAVE_LIB_POLY1305 help @@ -870,6 +880,7 @@ config CRYPTO_SHA1 config CRYPTO_SHA1_SSSE3 tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SHA1 select CRYPTO_HASH help @@ -881,6 +892,7 @@ config CRYPTO_SHA1_SSSE3 config CRYPTO_SHA256_SSSE3 tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SHA256 select CRYPTO_HASH help @@ -893,6 +905,7 @@ config CRYPTO_SHA256_SSSE3 config CRYPTO_SHA512_SSSE3 tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SHA512 select CRYPTO_HASH help @@ -1064,6 +1077,7 @@ config CRYPTO_WP512 config CRYPTO_GHASH_CLMUL_NI_INTEL tristate "GHASH hash function (CLMUL-NI accelerated)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_CRYPTD help This is the x86_64 CLMUL-NI accelerated implementation of @@ -1114,6 +1128,7 @@ config CRYPTO_AES_TI config CRYPTO_AES_NI_INTEL tristate "AES cipher algorithms (AES-NI)" depends on X86 + depends on !KMSAN # avoid false positives from assembly select CRYPTO_AEAD select CRYPTO_LIB_AES select CRYPTO_ALGAPI @@ -1237,6 +1252,7 @@ config CRYPTO_BLOWFISH_COMMON config CRYPTO_BLOWFISH_X86_64 tristate "Blowfish cipher algorithm (x86_64)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_BLOWFISH_COMMON help @@ -1268,6 +1284,7 @@ config CRYPTO_CAMELLIA_X86_64 tristate "Camellia cipher algorithm (x86_64)" depends on X86 && 64BIT depends on CRYPTO + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_GLUE_HELPER_X86 help @@ -1285,6 +1302,7 @@ config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX)" depends on X86 && 64BIT depends on CRYPTO + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_CAMELLIA_X86_64 select CRYPTO_GLUE_HELPER_X86 @@ -1305,6 +1323,7 @@ config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX2)" depends on X86 && 64BIT depends on CRYPTO + depends on !KMSAN # avoid false positives from assembly select CRYPTO_CAMELLIA_AESNI_AVX_X86_64 help Camellia cipher algorithm module (x86_64/AES-NI/AVX2). @@ -1351,6 +1370,7 @@ config CRYPTO_CAST5 config CRYPTO_CAST5_AVX_X86_64 tristate "CAST5 (CAST-128) cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_CAST5 select CRYPTO_CAST_COMMON @@ -1373,6 +1393,7 @@ config CRYPTO_CAST6 config CRYPTO_CAST6_AVX_X86_64 tristate "CAST6 (CAST-256) cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_CAST6 select CRYPTO_CAST_COMMON @@ -1406,6 +1427,7 @@ config CRYPTO_DES_SPARC64 config CRYPTO_DES3_EDE_X86_64 tristate "Triple DES EDE cipher algorithm (x86-64)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_LIB_DES help @@ -1473,6 +1495,7 @@ config CRYPTO_CHACHA20 config CRYPTO_CHACHA20_X86_64 tristate "ChaCha stream cipher algorithms (x86_64/SSSE3/AVX2/AVX-512VL)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_LIB_CHACHA_GENERIC select CRYPTO_ARCH_HAVE_LIB_CHACHA @@ -1516,6 +1539,7 @@ config CRYPTO_SERPENT config CRYPTO_SERPENT_SSE2_X86_64 tristate "Serpent cipher algorithm (x86_64/SSE2)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT @@ -1535,6 +1559,7 @@ config CRYPTO_SERPENT_SSE2_X86_64 config CRYPTO_SERPENT_SSE2_586 tristate "Serpent cipher algorithm (i586/SSE2)" depends on X86 && !64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT @@ -1554,6 +1579,7 @@ config CRYPTO_SERPENT_SSE2_586 config CRYPTO_SERPENT_AVX_X86_64 tristate "Serpent cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT @@ -1574,6 +1600,7 @@ config CRYPTO_SERPENT_AVX_X86_64 config CRYPTO_SERPENT_AVX2_X86_64 tristate "Serpent cipher algorithm (x86_64/AVX2)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SERPENT_AVX_X86_64 help Serpent cipher algorithm, by Anderson, Biham & Knudsen. @@ -1669,6 +1696,7 @@ config CRYPTO_TWOFISH_586 config CRYPTO_TWOFISH_X86_64 tristate "Twofish cipher algorithm (x86_64)" depends on (X86 || UML_X86) && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_ALGAPI select CRYPTO_TWOFISH_COMMON help @@ -1685,6 +1713,7 @@ config CRYPTO_TWOFISH_X86_64 config CRYPTO_TWOFISH_X86_64_3WAY tristate "Twofish cipher algorithm (x86_64, 3-way parallel)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_TWOFISH_COMMON select CRYPTO_TWOFISH_X86_64 @@ -1706,6 +1735,7 @@ config CRYPTO_TWOFISH_X86_64_3WAY config CRYPTO_TWOFISH_AVX_X86_64 tristate "Twofish cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SIMD -- 2.25.1.696.g5e7596f4ac-goog
