From: Alexander Potapenko <glider@google.com>
To: glider@google.com
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Alexei Starovoitov <ast@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Andrey Konovalov <andreyknvl@google.com>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>, Christoph Hellwig <hch@lst.de>,
Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
Eric Biggers <ebiggers@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Herbert Xu <herbert@gondor.apana.org.au>,
Ilya Leoshkevich <iii@linux.ibm.com>,
Ingo Molnar <mingo@redhat.com>, Jens Axboe <axboe@kernel.dk>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Kees Cook <keescook@chromium.org>, Marco Elver <elver@google.com>,
Mark Rutland <mark.rutland@arm.com>,
Matthew Wilcox <willy@infradead.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
Pekka Enberg <penberg@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Petr Mladek <pmladek@suse.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
Vasily Gorbik <gor@linux.ibm.com>,
Vegard Nossum <vegard.nossum@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
kasan-dev@googlegroups.com, linux-mm@kvack.org,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v7 26/43] crypto: kmsan: disable accelerated configs under KMSAN
Date: Thu, 15 Sep 2022 17:04:00 +0200 [thread overview]
Message-ID: <20220915150417.722975-27-glider@google.com> (raw)
In-Reply-To: <20220915150417.722975-1-glider@google.com>
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@google.com>
---
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 bb427a835e44a..182fb817ebb52 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -319,6 +319,7 @@ 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
@@ -367,11 +368,13 @@ 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
@@ -517,6 +520,7 @@ 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
@@ -525,6 +529,7 @@ 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
@@ -649,6 +654,7 @@ 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
@@ -689,6 +695,7 @@ 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
@@ -748,6 +755,7 @@ config CRYPTO_BLAKE2B
config CRYPTO_BLAKE2S_X86
bool "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
@@ -762,6 +770,7 @@ 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,
@@ -831,6 +840,7 @@ 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
@@ -920,6 +930,7 @@ 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
@@ -931,6 +942,7 @@ 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
@@ -943,6 +955,7 @@ 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
@@ -1168,6 +1181,7 @@ 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
@@ -1228,6 +1242,7 @@ 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
@@ -1369,6 +1384,7 @@ 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
@@ -1399,6 +1415,7 @@ 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
@@ -1415,6 +1432,7 @@ 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
@@ -1433,6 +1451,7 @@ 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).
@@ -1478,6 +1497,7 @@ 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
@@ -1501,6 +1521,7 @@ 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
@@ -1534,6 +1555,7 @@ 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
@@ -1604,6 +1626,7 @@ 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
@@ -1674,6 +1697,7 @@ 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
@@ -1693,6 +1717,7 @@ 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
@@ -1712,6 +1737,7 @@ 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
@@ -1732,6 +1758,7 @@ 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.
@@ -1876,6 +1903,7 @@ 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
@@ -1893,6 +1921,7 @@ 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
@@ -1913,6 +1942,7 @@ 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 94c889802566a..2aaf02bfe6f7e 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
--
2.37.2.789.g6183377224-goog
next prev parent reply other threads:[~2022-09-15 15:09 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-15 15:03 [PATCH v7 00/43] Add KernelMemorySanitizer infrastructure Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 01/43] x86: add missing include to sparsemem.h Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 02/43] stackdepot: reserve 5 extra bits in depot_stack_handle_t Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 03/43] instrumented.h: allow instrumenting both sides of copy_from_user() Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 04/43] x86: asm: instrument usercopy in get_user() and put_user() Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 05/43] asm-generic: instrument usercopy in cacheflush.h Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 06/43] kmsan: add ReST documentation Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 07/43] kmsan: introduce __no_sanitize_memory and __no_kmsan_checks Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 08/43] kmsan: mark noinstr as __no_sanitize_memory Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 09/43] x86: kmsan: pgtable: reduce vmalloc space Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 10/43] libnvdimm/pfn_dev: increase MAX_STRUCT_PAGE_SIZE Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 11/43] kmsan: add KMSAN runtime core Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 12/43] kmsan: disable instrumentation of unsupported common kernel code Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 13/43] MAINTAINERS: add entry for KMSAN Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 14/43] mm: kmsan: maintain KMSAN metadata for page operations Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 15/43] mm: kmsan: call KMSAN hooks from SLUB code Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 16/43] kmsan: handle task creation and exiting Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 17/43] init: kmsan: call KMSAN initialization routines Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 18/43] instrumented.h: add KMSAN support Alexander Potapenko
[not found] ` <20221019173620.10167-1-youling257@gmail.com>
2022-10-19 17:37 ` Fwd: " youling 257
2022-10-19 17:58 ` Marco Elver
2022-10-19 19:29 ` youling 257
2022-10-19 20:00 ` Marco Elver
2022-10-19 20:07 ` youling 257
2022-10-19 21:36 ` Marco Elver
2022-10-20 5:53 ` youling 257
2022-10-20 18:14 ` Alexander Potapenko
2022-10-21 5:55 ` youling 257
2022-10-21 6:16 ` Marco Elver
2022-10-21 6:39 ` youling 257
2022-10-21 7:37 ` Marco Elver
2022-10-21 15:19 ` youling 257
2022-10-21 17:02 ` Alexander Potapenko
2022-10-21 17:21 ` Kees Cook
2022-10-21 20:37 ` Alexander Potapenko
2022-10-22 6:24 ` youling 257
2022-10-19 21:44 ` Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 19/43] kmsan: add iomap support Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 20/43] Input: libps2: mark data received in __ps2_command() as initialized Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 21/43] dma: kmsan: unpoison DMA mappings Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 22/43] virtio: kmsan: check/unpoison scatterlist in vring_map_one_sg() Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 23/43] kmsan: handle memory sent to/from USB Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 24/43] kmsan: add tests for KMSAN Alexander Potapenko
2022-09-15 15:03 ` [PATCH v7 25/43] kmsan: disable strscpy() optimization under KMSAN Alexander Potapenko
2022-09-15 15:04 ` Alexander Potapenko [this message]
2022-09-15 15:04 ` [PATCH v7 27/43] kmsan: disable physical page merging in biovec Alexander Potapenko
2022-09-15 20:58 ` Andrew Morton
2022-09-16 9:12 ` Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 28/43] block: kmsan: skip bio block merging logic for KMSAN Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 29/43] kcov: kmsan: unpoison area->list in kcov_remote_area_put() Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 30/43] security: kmsan: fix interoperability with auto-initialization Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 31/43] objtool: kmsan: list KMSAN API functions as uaccess-safe Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 32/43] x86: kmsan: disable instrumentation of unsupported code Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 33/43] x86: kmsan: skip shadow checks in __switch_to() Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 34/43] x86: kmsan: handle open-coded assembly in lib/iomem.c Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 35/43] x86: kmsan: use __msan_ string functions where possible Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 36/43] x86: kmsan: sync metadata pages on page fault Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 37/43] x86: kasan: kmsan: support CONFIG_GENERIC_CSUM on x86, enable it for KASAN/KMSAN Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 38/43] x86: fs: kmsan: disable CONFIG_DCACHE_WORD_ACCESS Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 39/43] x86: kmsan: don't instrument stack walking functions Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 40/43] entry: kmsan: introduce kmsan_unpoison_entry_regs() Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 41/43] bpf: kmsan: initialize BPF registers with zeroes Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 42/43] mm: fs: initialize fsdata passed to write_begin/write_end interface Alexander Potapenko
2022-09-15 15:04 ` [PATCH v7 43/43] x86: kmsan: enable KMSAN builds for x86 Alexander Potapenko
2022-09-15 21:05 ` [PATCH v7 00/43] Add KernelMemorySanitizer infrastructure Andrew Morton
2022-09-15 21:07 ` Andrew Morton
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