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: 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 Change-Id: Iddc71a2a27360e036d719c0940ebf15553cf8de8 --- crypto/Kconfig | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/crypto/Kconfig b/crypto/Kconfig index 5575d48473bd..9c8074ed0f27 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -321,11 +321,13 @@ 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 @@ -583,6 +585,7 @@ 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 @@ -623,6 +626,7 @@ 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 @@ -702,6 +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, @@ -751,6 +756,7 @@ config CRYPTO_POLY1305_X86_64 depends on X86 && 64BIT select CRYPTO_LIB_POLY1305_GENERIC select CRYPTO_ARCH_HAVE_LIB_POLY1305 + depends on !KMSAN # avoid false positives from assembly help Poly1305 authenticator algorithm, RFC7539. @@ -874,6 +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 @@ -885,6 +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 @@ -897,6 +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 @@ -1068,6 +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 @@ -1118,6 +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 @@ -1242,6 +1253,7 @@ config CRYPTO_BLOWFISH_X86_64 tristate "Blowfish cipher algorithm (x86_64)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_BLOWFISH_COMMON help Blowfish cipher algorithm (x86_64), by Bruce Schneier. @@ -1273,6 +1285,7 @@ config CRYPTO_CAMELLIA_X86_64 depends on X86 && 64BIT depends on CRYPTO select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_GLUE_HELPER_X86 help Camellia cipher algorithm module (x86_64). @@ -1290,6 +1303,7 @@ config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 depends on X86 && 64BIT depends on CRYPTO select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_CAMELLIA_X86_64 select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SIMD @@ -1309,6 +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). @@ -1356,6 +1371,7 @@ config CRYPTO_CAST5_AVX_X86_64 tristate "CAST5 (CAST-128) cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_CAST5 select CRYPTO_CAST_COMMON select CRYPTO_SIMD @@ -1378,6 +1394,7 @@ config CRYPTO_CAST6_AVX_X86_64 tristate "CAST6 (CAST-256) cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_CAST6 select CRYPTO_CAST_COMMON select CRYPTO_GLUE_HELPER_X86 @@ -1411,6 +1428,7 @@ config CRYPTO_DES3_EDE_X86_64 tristate "Triple DES EDE cipher algorithm (x86-64)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_LIB_DES help Triple DES EDE (FIPS 46-3) algorithm. @@ -1480,6 +1498,7 @@ config CRYPTO_CHACHA20_X86_64 select CRYPTO_SKCIPHER select CRYPTO_LIB_CHACHA_GENERIC select CRYPTO_ARCH_HAVE_LIB_CHACHA + depends on !KMSAN # avoid false positives from assembly help SSSE3, AVX2, and AVX-512VL optimized implementations of the ChaCha20, XChaCha20, and XChaCha12 stream ciphers. @@ -1521,6 +1540,7 @@ config CRYPTO_SERPENT_SSE2_X86_64 tristate "Serpent cipher algorithm (x86_64/SSE2)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT select CRYPTO_SIMD @@ -1540,6 +1560,7 @@ config CRYPTO_SERPENT_SSE2_586 tristate "Serpent cipher algorithm (i586/SSE2)" depends on X86 && !64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT select CRYPTO_SIMD @@ -1559,6 +1580,7 @@ config CRYPTO_SERPENT_AVX_X86_64 tristate "Serpent cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT select CRYPTO_SIMD @@ -1578,6 +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. @@ -1673,6 +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 @@ -1690,6 +1714,7 @@ config CRYPTO_TWOFISH_X86_64_3WAY tristate "Twofish cipher algorithm (x86_64, 3-way parallel)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_TWOFISH_COMMON select CRYPTO_TWOFISH_X86_64 select CRYPTO_GLUE_HELPER_X86 @@ -1711,6 +1736,7 @@ config CRYPTO_TWOFISH_AVX_X86_64 tristate "Twofish cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT select CRYPTO_SKCIPHER + depends on !KMSAN # avoid false positives from assembly select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SIMD select CRYPTO_TWOFISH_COMMON -- 2.24.1.735.g03f4e72817-goog
