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> --- Link: https://linux-review.googlesource.com/id/Idb2334bf3a1b68b31b399709baefaa763038cc50 --- crypto/Kconfig | 30 ++++++++++++++++++++++++++++++ drivers/net/Kconfig | 1 + 2 files changed, 31 insertions(+) diff --git a/crypto/Kconfig b/crypto/Kconfig index 41068811fd0e1..8078dbba8dd2c 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -297,6 +297,7 @@ 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 @@ -345,11 +346,13 @@ config CRYPTO_AEGIS128 config CRYPTO_AEGIS128_SIMD bool "Support SIMD acceleration for AEGIS-128" depends on CRYPTO_AEGIS128 && ((ARM || ARM64) && KERNEL_MODE_NEON) + 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 @@ -486,6 +489,7 @@ 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 @@ -494,6 +498,7 @@ 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 @@ -607,6 +612,7 @@ 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 @@ -647,6 +653,7 @@ 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 @@ -712,6 +719,7 @@ 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 @@ -726,6 +734,7 @@ 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, @@ -778,6 +787,7 @@ 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 @@ -866,6 +876,7 @@ 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 @@ -877,6 +888,7 @@ 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 @@ -889,6 +901,7 @@ 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 @@ -1061,6 +1074,7 @@ 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 @@ -1111,6 +1125,7 @@ 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 @@ -1235,6 +1250,7 @@ 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 imply CRYPTO_CTR @@ -1265,6 +1281,7 @@ config CRYPTO_CAMELLIA config CRYPTO_CAMELLIA_X86_64 tristate "Camellia cipher algorithm (x86_64)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER imply CRYPTO_CTR help @@ -1281,6 +1298,7 @@ config CRYPTO_CAMELLIA_X86_64 config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX)" depends on X86 && 64BIT + depends on !KMSAN # avoid false positives from assembly select CRYPTO_SKCIPHER select CRYPTO_CAMELLIA_X86_64 select CRYPTO_SIMD @@ -1299,6 +1317,7 @@ config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX2)" depends on X86 && 64BIT + 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). @@ -1344,6 +1363,7 @@ 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 @@ -1367,6 +1387,7 @@ 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 @@ -1400,6 +1421,7 @@ 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 imply CRYPTO_CTR @@ -1457,6 +1479,7 @@ 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 @@ -1500,6 +1523,7 @@ 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_SERPENT select CRYPTO_SIMD @@ -1519,6 +1543,7 @@ 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_SERPENT select CRYPTO_SIMD @@ -1538,6 +1563,7 @@ 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_SERPENT select CRYPTO_SIMD @@ -1558,6 +1584,7 @@ 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. @@ -1699,6 +1726,7 @@ 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 imply CRYPTO_CTR @@ -1716,6 +1744,7 @@ 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 @@ -1736,6 +1765,7 @@ 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_SIMD select CRYPTO_TWOFISH_COMMON diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index b2a4f998c180e..fed89b6981759 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -76,6 +76,7 @@ config WIREGUARD tristate "WireGuard secure network tunnel" depends on NET && INET depends on IPV6 || !IPV6 + depends on !KMSAN # KMSAN doesn't support the crypto configs below select NET_UDP_TUNNEL select DST_CACHE select CRYPTO -- 2.36.0.rc2.479.g8af0fa9b8e-goog
