From: glider@google.com To: Herbert Xu <herbert@gondor.apana.org.au>, "David S. Miller" <davem@davemloft.net>, Vegard Nossum <vegard.nossum@oracle.com>, Dmitry Vyukov <dvyukov@google.com>, linux-mm@kvack.org Cc: glider@google.com, viro@zeniv.linux.org.uk, adilger.kernel@dilger.ca, akpm@linux-foundation.org, andreyknvl@google.com, aryabinin@virtuozzo.com, luto@kernel.org, ard.biesheuvel@linaro.org, arnd@arndb.de, hch@infradead.org, hch@lst.de, darrick.wong@oracle.com, dmitry.torokhov@gmail.com, ebiggers@google.com, edumazet@google.com, ericvh@gmail.com, gregkh@linuxfoundation.org, harry.wentland@amd.com, iii@linux.ibm.com, mingo@elte.hu, jasowang@redhat.com, axboe@kernel.dk, m.szyprowski@samsung.com, elver@google.com, mark.rutland@arm.com, martin.petersen@oracle.com, schwidefsky@de.ibm.com, willy@infradead.org, mst@redhat.com, monstr@monstr.eu, pmladek@suse.com, cai@lca.pw, rdunlap@infradead.org, robin.murphy@arm.com, sergey.senozhatsky@gmail.com, rostedt@goodmis.org, tiwai@suse.com, tytso@mit.edu, tglx@linutronix.de, gor@linux.ibm.com, wsa@the-dreams.de Subject: [PATCH RFC v3 16/36] crypto: kmsan: disable accelerated configs under KMSAN Date: Fri, 22 Nov 2019 12:26:01 +0100 Message-ID: <20191122112621.204798-17-glider@google.com> (raw) In-Reply-To: <20191122112621.204798-1-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> To: Alexander Potapenko <glider@google.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Vegard Nossum <vegard.nossum@oracle.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: linux-mm@kvack.org --- Change-Id: Iddc71a2a27360e036d719c0940ebf15553cf8de8 --- crypto/Kconfig | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/crypto/Kconfig b/crypto/Kconfig index 9e524044d312..502a75f1b597 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -309,11 +309,15 @@ config CRYPTO_AEGIS128 config CRYPTO_AEGIS128_SIMD bool "Support SIMD acceleration for AEGIS-128" depends on CRYPTO_AEGIS128 && ((ARM || ARM64) && KERNEL_MODE_NEON) + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN default y config CRYPTO_AEGIS128_AESNI_SSE2 tristate "AEGIS-128 AEAD algorithm (x86_64 AESNI+SSE2 implementation)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_AEAD select CRYPTO_SIMD help @@ -571,6 +575,8 @@ config CRYPTO_CRC32C config CRYPTO_CRC32C_INTEL tristate "CRC32c INTEL hardware acceleration" depends on X86 + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_HASH help In Intel processor with SSE4.2 supported, the processor will @@ -611,6 +617,8 @@ config CRYPTO_CRC32 config CRYPTO_CRC32_PCLMUL tristate "CRC32 PCLMULQDQ hardware acceleration" depends on X86 + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_HASH select CRC32 help @@ -649,6 +657,8 @@ config CRYPTO_CRCT10DIF config CRYPTO_CRCT10DIF_PCLMUL tristate "CRCT10DIF PCLMULQDQ hardware acceleration" depends on X86 && 64BIT && CRC_T10DIF + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_HASH help For x86_64 processors with SSE4.2 and PCLMULQDQ supported, @@ -695,6 +705,8 @@ config CRYPTO_POLY1305 config CRYPTO_POLY1305_X86_64 tristate "Poly1305 authenticator algorithm (x86_64/SSE2/AVX2)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_POLY1305 help Poly1305 authenticator algorithm, RFC7539. @@ -814,6 +826,8 @@ config CRYPTO_SHA1 config CRYPTO_SHA1_SSSE3 tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_SHA1 select CRYPTO_HASH help @@ -825,6 +839,8 @@ config CRYPTO_SHA1_SSSE3 config CRYPTO_SHA256_SSSE3 tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_SHA256 select CRYPTO_HASH help @@ -837,6 +853,8 @@ config CRYPTO_SHA256_SSSE3 config CRYPTO_SHA512_SSSE3 tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_SHA512 select CRYPTO_HASH help @@ -1011,6 +1029,8 @@ config CRYPTO_WP512 config CRYPTO_GHASH_CLMUL_NI_INTEL tristate "GHASH hash function (CLMUL-NI accelerated)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_CRYPTD help This is the x86_64 CLMUL-NI accelerated implementation of @@ -1064,6 +1084,8 @@ config CRYPTO_AES_TI config CRYPTO_AES_NI_INTEL tristate "AES cipher algorithms (AES-NI)" depends on X86 + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_AEAD select CRYPTO_LIB_AES select CRYPTO_ALGAPI @@ -1190,6 +1212,8 @@ config CRYPTO_BLOWFISH_COMMON config CRYPTO_BLOWFISH_X86_64 tristate "Blowfish cipher algorithm (x86_64)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_BLOWFISH_COMMON help @@ -1221,6 +1245,8 @@ config CRYPTO_CAMELLIA_X86_64 tristate "Camellia cipher algorithm (x86_64)" depends on X86 && 64BIT depends on CRYPTO + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_GLUE_HELPER_X86 help @@ -1238,6 +1264,8 @@ config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX)" depends on X86 && 64BIT depends on CRYPTO + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_CAMELLIA_X86_64 select CRYPTO_GLUE_HELPER_X86 @@ -1258,6 +1286,8 @@ config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX2)" depends on X86 && 64BIT depends on CRYPTO + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_CAMELLIA_AESNI_AVX_X86_64 help Camellia cipher algorithm module (x86_64/AES-NI/AVX2). @@ -1303,6 +1333,8 @@ config CRYPTO_CAST5 config CRYPTO_CAST5_AVX_X86_64 tristate "CAST5 (CAST-128) cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_CAST5 select CRYPTO_CAST_COMMON @@ -1325,6 +1357,8 @@ config CRYPTO_CAST6 config CRYPTO_CAST6_AVX_X86_64 tristate "CAST6 (CAST-256) cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_CAST6 select CRYPTO_CAST_COMMON @@ -1360,6 +1394,8 @@ config CRYPTO_DES_SPARC64 config CRYPTO_DES3_EDE_X86_64 tristate "Triple DES EDE cipher algorithm (x86-64)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_LIB_DES help @@ -1426,6 +1462,8 @@ config CRYPTO_CHACHA20 config CRYPTO_CHACHA20_X86_64 tristate "ChaCha stream cipher algorithms (x86_64/SSSE3/AVX2/AVX-512VL)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_CHACHA20 help @@ -1462,6 +1500,8 @@ config CRYPTO_SERPENT config CRYPTO_SERPENT_SSE2_X86_64 tristate "Serpent cipher algorithm (x86_64/SSE2)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT @@ -1481,6 +1521,8 @@ config CRYPTO_SERPENT_SSE2_X86_64 config CRYPTO_SERPENT_SSE2_586 tristate "Serpent cipher algorithm (i586/SSE2)" depends on X86 && !64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT @@ -1500,6 +1542,8 @@ config CRYPTO_SERPENT_SSE2_586 config CRYPTO_SERPENT_AVX_X86_64 tristate "Serpent cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT @@ -1520,6 +1564,8 @@ config CRYPTO_SERPENT_AVX_X86_64 config CRYPTO_SERPENT_AVX2_X86_64 tristate "Serpent cipher algorithm (x86_64/AVX2)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_SERPENT_AVX_X86_64 help Serpent cipher algorithm, by Anderson, Biham & Knudsen. @@ -1615,6 +1661,8 @@ config CRYPTO_TWOFISH_586 config CRYPTO_TWOFISH_X86_64 tristate "Twofish cipher algorithm (x86_64)" depends on (X86 || UML_X86) && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_ALGAPI select CRYPTO_TWOFISH_COMMON help @@ -1631,6 +1679,8 @@ config CRYPTO_TWOFISH_X86_64 config CRYPTO_TWOFISH_X86_64_3WAY tristate "Twofish cipher algorithm (x86_64, 3-way parallel)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_TWOFISH_COMMON select CRYPTO_TWOFISH_X86_64 @@ -1652,6 +1702,8 @@ config CRYPTO_TWOFISH_X86_64_3WAY config CRYPTO_TWOFISH_AVX_X86_64 tristate "Twofish cipher algorithm (x86_64/AVX)" depends on X86 && 64BIT + # Disable under KMSAN to prevent false positives from assembly. + depends on !KMSAN select CRYPTO_BLKCIPHER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SIMD -- 2.24.0.432.g9d3f5f5b63-goog
next prev parent reply index Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-22 11:25 [PATCH RFC v3 00/36] Add KernelMemorySanitizer infrastructure glider 2019-11-22 11:25 ` [PATCH RFC v3 01/36] stackdepot: check depot_index before accessing the stack slab glider 2019-11-27 14:22 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 02/36] stackdepot: build with -fno-builtin glider 2019-11-27 14:22 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 03/36] kasan: stackdepot: move filter_irq_stacks() to stackdepot.c glider 2019-11-27 14:22 ` Marco Elver 2019-11-27 14:56 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 04/36] stackdepot: reserve 5 extra bits in depot_stack_handle_t glider 2019-11-27 14:23 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 05/36] kmsan: add ReST documentation glider 2019-11-27 14:22 ` Marco Elver 2019-12-03 12:42 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 06/36] kmsan: gfp: introduce __GFP_NO_KMSAN_SHADOW glider 2019-11-27 14:48 ` Marco Elver 2019-12-03 12:57 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 07/36] kmsan: introduce __no_sanitize_memory and __SANITIZE_MEMORY__ glider 2019-11-28 13:13 ` Marco Elver 2019-11-29 16:09 ` Andrey Konovalov 2019-12-16 11:35 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 08/36] kmsan: reduce vmalloc space glider 2019-11-28 13:30 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 09/36] kmsan: add KMSAN bits to struct page and struct task_struct glider 2019-11-28 13:44 ` Marco Elver 2019-11-28 14:05 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 10/36] kmsan: add KMSAN runtime glider 2019-11-24 19:44 ` Wolfram Sang 2019-11-25 9:14 ` Alexander Potapenko 2019-11-29 16:07 ` Marco Elver 2019-12-19 14:16 ` Alexander Potapenko 2019-12-02 15:39 ` Andrey Konovalov 2019-12-20 18:58 ` Alexander Potapenko 2019-12-03 14:34 ` Andrey Konovalov 2019-11-22 11:25 ` [PATCH RFC v3 11/36] kmsan: stackdepot: don't allocate KMSAN metadata for stackdepot glider 2019-11-29 14:52 ` Andrey Konovalov 2019-12-03 14:27 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 12/36] kmsan: define READ_ONCE_NOCHECK() glider 2019-12-02 10:03 ` Marco Elver 2019-12-03 12:45 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 13/36] kmsan: make READ_ONCE_TASK_STACK() return initialized values glider 2019-12-02 10:07 ` Marco Elver 2019-12-05 15:52 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 14/36] kmsan: x86: sync metadata pages on page fault glider 2019-11-22 11:26 ` [PATCH RFC v3 15/36] kmsan: add tests for KMSAN glider 2019-11-29 14:14 ` Andrey Konovalov 2019-12-05 14:30 ` Alexander Potapenko 2019-11-22 11:26 ` glider [this message] 2019-12-02 13:25 ` [PATCH RFC v3 16/36] crypto: kmsan: disable accelerated configs under KMSAN Marco Elver 2019-12-05 14:51 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 17/36] kmsan: x86: disable UNWINDER_ORC " glider 2019-12-02 13:30 ` Marco Elver 2019-11-22 11:26 ` [PATCH RFC v3 18/36] kmsan: disable LOCK_DEBUGGING_SUPPORT glider 2019-12-02 13:33 ` Marco Elver 2019-12-03 14:34 ` Alexander Potapenko 2019-12-03 15:00 ` Qian Cai 2019-12-03 15:14 ` Alexander Potapenko 2019-12-03 18:02 ` Qian Cai 2019-12-03 18:38 ` Steven Rostedt 2019-12-04 8:41 ` Alexander Potapenko 2019-12-04 12:22 ` Petr Mladek 2019-12-04 13:12 ` Qian Cai 2019-12-04 16:24 ` Alexander Potapenko 2019-12-04 18:03 ` Qian Cai 2019-11-22 11:26 ` [PATCH RFC v3 20/36] kmsan: x86: increase stack sizes in KMSAN builds glider 2019-12-02 14:31 ` Marco Elver 2019-11-22 11:26 ` [PATCH RFC v3 21/36] kmsan: disable KMSAN instrumentation for certain kernel parts glider 2019-11-29 15:07 ` Andrey Konovalov 2019-12-10 10:35 ` Alexander Potapenko 2019-12-10 12:38 ` Alexander Potapenko 2019-12-10 12:43 ` Qian Cai 2019-11-22 11:26 ` [PATCH RFC v3 22/36] kmsan: mm: call KMSAN hooks from SLUB code glider 2019-12-02 15:36 ` Marco Elver 2019-12-10 12:07 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 23/36] kmsan: call KMSAN hooks where needed glider 2019-11-26 10:17 ` Petr Mladek 2019-11-26 10:52 ` Alexander Potapenko 2019-11-29 16:21 ` Andrey Konovalov 2019-12-16 11:30 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 24/36] kmsan: disable instrumentation of certain functions glider 2019-11-29 14:59 ` Andrey Konovalov 2019-12-18 10:02 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 25/36] kmsan: unpoison |tlb| in arch_tlb_gather_mmu() glider 2019-11-29 15:08 ` Andrey Konovalov 2019-12-03 14:19 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 26/36] kmsan: use __msan_memcpy() where possible glider 2019-11-29 15:13 ` Andrey Konovalov 2019-12-05 15:46 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 27/36] kmsan: hooks for copy_to_user() and friends glider 2019-11-29 15:34 ` Andrey Konovalov 2019-12-05 16:00 ` Alexander Potapenko 2019-12-05 16:44 ` Andrey Konovalov 2019-12-11 14:22 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 28/36] kmsan: enable KMSAN builds glider 2019-11-29 15:55 ` Andrey Konovalov 2019-12-11 12:51 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 29/36] kmsan: handle /dev/[u]random glider 2019-11-22 11:26 ` [PATCH RFC v3 30/36] kmsan: virtio: check/unpoison scatterlist in vring_map_one_sg() glider 2019-11-22 11:26 ` [PATCH RFC v3 31/36] kmsan: disable strscpy() optimization under KMSAN glider 2019-12-02 15:51 ` Marco Elver 2019-12-02 16:23 ` Alexander Potapenko 2019-12-03 11:19 ` Alexander Potapenko 2019-12-03 11:24 ` Marco Elver 2019-12-03 11:27 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 32/36] kmsan: add iomap support glider 2019-12-03 12:50 ` Marco Elver 2019-12-03 14:07 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 33/36] kmsan: dma: unpoison memory mapped by dma_direct_map_page() glider 2019-11-22 11:26 ` [PATCH RFC v3 34/36] kmsan: disable physical page merging in biovec glider 2019-12-03 12:54 ` Marco Elver 2019-12-03 13:38 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 35/36] kmsan: ext4: skip block merging logic in ext4_mpage_readpages for KMSAN glider 2019-11-25 16:05 ` Robin Murphy 2019-11-25 17:03 ` Alexander Potapenko 2019-12-03 14:22 ` Marco Elver 2019-12-05 14:31 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 36/36] net: kasan: kmsan: support CONFIG_GENERIC_CSUM on x86, enable it for KASAN/KMSAN glider 2019-12-03 14:17 ` Marco Elver 2019-12-05 14:37 ` Alexander Potapenko 2019-11-29 14:39 ` [PATCH RFC v3 00/36] Add KernelMemorySanitizer infrastructure Marco Elver 2019-12-02 16:02 ` Alexander Potapenko
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