From: glider@google.com
To: Herbert Xu <herbert@gondor.apana.org.au>,
Harry Wentland <harry.wentland@amd.com>,
Vegard Nossum <vegard.nossum@oracle.com>,
Dmitry Vyukov <dvyukov@google.com>,
linux-mm@kvack.org
Cc: viro@zeniv.linux.org.uk, akpm@linux-foundation.org,
aryabinin@virtuozzo.com, luto@kernel.org,
ard.biesheuvel@linaro.org, arnd@arndb.de, hch@lst.de,
dmitry.torokhov@gmail.com, edumazet@google.com,
ericvh@gmail.com, gregkh@linuxfoundation.org, mingo@elte.hu,
axboe@kernel.dk, martin.petersen@oracle.com,
schwidefsky@de.ibm.com, mst@redhat.com, monstr@monstr.eu,
pmladek@suse.com, sergey.senozhatsky@gmail.com,
rostedt@goodmis.org, tiwai@suse.com, tytso@mit.edu,
tglx@linutronix.de, wsa@the-dreams.de, gor@linux.ibm.com,
iii@linux.ibm.com, mark.rutland@arm.com, willy@infradead.org,
rdunlap@infradead.org, andreyknvl@google.com, elver@google.com,
Alexander Potapenko <glider@google.com>
Subject: [PATCH RFC v2 14/25] kmsan: Kconfig changes to disable options incompatible with KMSAN
Date: Wed, 30 Oct 2019 15:22:26 +0100 [thread overview]
Message-ID: <20191030142237.249532-15-glider@google.com> (raw)
In-Reply-To: <20191030142237.249532-1-glider@google.com>
Certain config options are currently incompatible with KMSAN, disable
them.
Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
To: Alexander Potapenko <glider@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: linux-mm@kvack.org
---
Change-Id: I4521f5c764cfaeba2fae79c954925c302c5e3bc0
---
arch/Kconfig | 2 +-
arch/x86/Kconfig | 1 +
arch/x86/Kconfig.debug | 3 +++
crypto/Kconfig | 26 ++++++++++++++++++++++++++
drivers/gpu/drm/amd/display/Kconfig | 2 +-
lib/Kconfig.debug | 3 +++
6 files changed, 35 insertions(+), 2 deletions(-)
diff --git a/arch/Kconfig b/arch/Kconfig
index 5f8a5d84dbbe..d5ca838ae8ad 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -843,7 +843,7 @@ config HAVE_ARCH_VMAP_STACK
config VMAP_STACK
default y
bool "Use a virtually-mapped stack"
- depends on HAVE_ARCH_VMAP_STACK && !KASAN
+ depends on HAVE_ARCH_VMAP_STACK && !KASAN && !KMSAN
---help---
Enable this if you want the use virtually-mapped kernel stacks
with guard pages. This causes kernel stack overflows to be
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 3f83a5c53808..6d2b0fb3a871 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2143,6 +2143,7 @@ config RELOCATABLE
config RANDOMIZE_BASE
bool "Randomize the address of the kernel image (KASLR)"
depends on RELOCATABLE
+ depends on !KMSAN
default y
---help---
In support of Kernel Address Space Layout Randomization (KASLR),
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index bf9cd83de777..db3cd6147829 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -292,6 +292,9 @@ choice
config UNWINDER_ORC
bool "ORC unwinder"
depends on X86_64
+ # KMSAN doesn't support UNWINDER_ORC yet,
+ # see https://github.com/google/kmsan/issues/48.
+ depends on !KMSAN
select STACK_VALIDATION
---help---
This option enables the ORC (Oops Rewind Capability) unwinder for
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 9e524044d312..37a22711012c 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -309,11 +309,13 @@ 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
default y
config CRYPTO_AEGIS128_AESNI_SSE2
tristate "AEGIS-128 AEAD algorithm (x86_64 AESNI+SSE2 implementation)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_AEAD
select CRYPTO_SIMD
help
@@ -571,6 +573,7 @@ config CRYPTO_CRC32C
config CRYPTO_CRC32C_INTEL
tristate "CRC32c INTEL hardware acceleration"
depends on X86
+ depends on !KMSAN
select CRYPTO_HASH
help
In Intel processor with SSE4.2 supported, the processor will
@@ -611,6 +614,7 @@ config CRYPTO_CRC32
config CRYPTO_CRC32_PCLMUL
tristate "CRC32 PCLMULQDQ hardware acceleration"
depends on X86
+ depends on !KMSAN
select CRYPTO_HASH
select CRC32
help
@@ -649,6 +653,7 @@ config CRYPTO_CRCT10DIF
config CRYPTO_CRCT10DIF_PCLMUL
tristate "CRCT10DIF PCLMULQDQ hardware acceleration"
depends on X86 && 64BIT && CRC_T10DIF
+ depends on !KMSAN
select CRYPTO_HASH
help
For x86_64 processors with SSE4.2 and PCLMULQDQ supported,
@@ -695,6 +700,7 @@ config CRYPTO_POLY1305
config CRYPTO_POLY1305_X86_64
tristate "Poly1305 authenticator algorithm (x86_64/SSE2/AVX2)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_POLY1305
help
Poly1305 authenticator algorithm, RFC7539.
@@ -814,6 +820,7 @@ config CRYPTO_SHA1
config CRYPTO_SHA1_SSSE3
tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_SHA1
select CRYPTO_HASH
help
@@ -825,6 +832,7 @@ config CRYPTO_SHA1_SSSE3
config CRYPTO_SHA256_SSSE3
tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_SHA256
select CRYPTO_HASH
help
@@ -837,6 +845,7 @@ config CRYPTO_SHA256_SSSE3
config CRYPTO_SHA512_SSSE3
tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_SHA512
select CRYPTO_HASH
help
@@ -1011,6 +1020,7 @@ config CRYPTO_WP512
config CRYPTO_GHASH_CLMUL_NI_INTEL
tristate "GHASH hash function (CLMUL-NI accelerated)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_CRYPTD
help
This is the x86_64 CLMUL-NI accelerated implementation of
@@ -1064,6 +1074,7 @@ config CRYPTO_AES_TI
config CRYPTO_AES_NI_INTEL
tristate "AES cipher algorithms (AES-NI)"
depends on X86
+ depends on !KMSAN
select CRYPTO_AEAD
select CRYPTO_LIB_AES
select CRYPTO_ALGAPI
@@ -1190,6 +1201,7 @@ config CRYPTO_BLOWFISH_COMMON
config CRYPTO_BLOWFISH_X86_64
tristate "Blowfish cipher algorithm (x86_64)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_BLKCIPHER
select CRYPTO_BLOWFISH_COMMON
help
@@ -1221,6 +1233,7 @@ config CRYPTO_CAMELLIA_X86_64
tristate "Camellia cipher algorithm (x86_64)"
depends on X86 && 64BIT
depends on CRYPTO
+ depends on !KMSAN
select CRYPTO_BLKCIPHER
select CRYPTO_GLUE_HELPER_X86
help
@@ -1238,6 +1251,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_CAMELLIA_X86_64
select CRYPTO_GLUE_HELPER_X86
@@ -1258,6 +1272,7 @@ 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
select CRYPTO_CAMELLIA_AESNI_AVX_X86_64
help
Camellia cipher algorithm module (x86_64/AES-NI/AVX2).
@@ -1303,6 +1318,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_CAST5
select CRYPTO_CAST_COMMON
@@ -1325,6 +1341,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_CAST6
select CRYPTO_CAST_COMMON
@@ -1360,6 +1377,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_LIB_DES
help
@@ -1426,6 +1444,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_CHACHA20
help
@@ -1462,6 +1481,7 @@ config CRYPTO_SERPENT
config CRYPTO_SERPENT_SSE2_X86_64
tristate "Serpent cipher algorithm (x86_64/SSE2)"
depends on X86 && 64BIT
+ depends on !KMSAN
select CRYPTO_BLKCIPHER
select CRYPTO_GLUE_HELPER_X86
select CRYPTO_SERPENT
@@ -1481,6 +1501,7 @@ config CRYPTO_SERPENT_SSE2_X86_64
config CRYPTO_SERPENT_SSE2_586
tristate "Serpent cipher algorithm (i586/SSE2)"
depends on X86 && !64BIT
+ depends on !KMSAN
select CRYPTO_BLKCIPHER
select CRYPTO_GLUE_HELPER_X86
select CRYPTO_SERPENT
@@ -1500,6 +1521,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_GLUE_HELPER_X86
select CRYPTO_SERPENT
@@ -1520,6 +1542,7 @@ 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
select CRYPTO_SERPENT_AVX_X86_64
help
Serpent cipher algorithm, by Anderson, Biham & Knudsen.
@@ -1615,6 +1638,7 @@ config CRYPTO_TWOFISH_586
config CRYPTO_TWOFISH_X86_64
tristate "Twofish cipher algorithm (x86_64)"
depends on (X86 || UML_X86) && 64BIT
+ depends on !KMSAN
select CRYPTO_ALGAPI
select CRYPTO_TWOFISH_COMMON
help
@@ -1631,6 +1655,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_TWOFISH_COMMON
select CRYPTO_TWOFISH_X86_64
@@ -1652,6 +1677,7 @@ 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
select CRYPTO_BLKCIPHER
select CRYPTO_GLUE_HELPER_X86
select CRYPTO_SIMD
diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
index 71991a28a775..99585eaf4dd0 100644
--- a/drivers/gpu/drm/amd/display/Kconfig
+++ b/drivers/gpu/drm/amd/display/Kconfig
@@ -6,7 +6,7 @@ config DRM_AMD_DC
bool "AMD DC - Enable new display engine"
default y
select SND_HDA_COMPONENT if SND_HDA_CORE
- select DRM_AMD_DC_DCN1_0 if X86 && !(KCOV_INSTRUMENT_ALL && KCOV_ENABLE_COMPARISONS)
+ select DRM_AMD_DC_DCN1_0 if X86 && !(KCOV_INSTRUMENT_ALL && KCOV_ENABLE_COMPARISONS) && !KMSAN
help
Choose this option if you want to use the new display engine
support for AMDGPU. This adds required support for Vega and
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 75c36318943d..a3f6f5d68593 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1068,6 +1068,9 @@ menu "Lock Debugging (spinlocks, mutexes, etc...)"
config LOCK_DEBUGGING_SUPPORT
bool
depends on TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+ # KMSAN is incompatible with lockdep,
+ # see https://github.com/google/kmsan/issues/57.
+ depends on !KMSAN
default y
config PROVE_LOCKING
--
2.24.0.rc0.303.g954a862665-goog
next prev parent reply other threads:[~2019-10-30 14:23 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-30 14:22 [PATCH RFC v2 00/25] Add KernelMemorySanitizer infrastructure glider
2019-10-30 14:22 ` [PATCH RFC v2 01/25] stackdepot: check depot_index before accessing the stack slab glider
2019-10-30 14:22 ` [PATCH RFC v2 02/25] stackdepot: prevent Clang from optimizing away stackdepot_memcmp() glider
2019-11-01 5:50 ` Sergey Senozhatsky
2019-11-06 11:43 ` Alexander Potapenko
2019-11-07 6:08 ` Sergey Senozhatsky
2019-11-07 9:04 ` Arnd Bergmann
2019-11-07 9:22 ` Alexander Potapenko
2019-11-07 9:28 ` Arnd Bergmann
2019-11-07 9:43 ` Alexander Potapenko
[not found] ` <47fdac13-fa2c-2acd-2480-5e6d4db208f8@virtuozzo.com>
2019-11-07 10:00 ` Arnd Bergmann
[not found] ` <6875c6e6-2f1f-f8e6-e5d7-d451c48397ff@virtuozzo.com>
2019-11-07 10:30 ` Alexander Potapenko
2019-10-30 14:22 ` [PATCH RFC v2 03/25] kasan: stackdepot: move filter_irq_stacks() to stackdepot.c glider
2019-10-30 14:22 ` [PATCH RFC v2 04/25] stackdepot: reserve 5 extra bits in depot_stack_handle_t glider
2019-10-30 14:22 ` [PATCH RFC v2 05/25] kmsan: add ReST documentation glider
2019-10-30 14:22 ` [PATCH RFC v2 06/25] kmsan: gfp: introduce __GFP_NO_KMSAN_SHADOW glider
2019-10-30 14:22 ` [PATCH RFC v2 07/25] kmsan: introduce __no_sanitize_memory and __SANITIZE_MEMORY__ glider
2019-10-30 15:50 ` Andrey Konovalov
2019-11-01 12:52 ` Alexander Potapenko
2019-10-30 14:22 ` [PATCH RFC v2 08/25] kmsan: reduce vmalloc space glider
2019-10-30 14:22 ` [PATCH RFC v2 09/25] kmsan: add KMSAN runtime glider
2019-11-08 12:08 ` Dmitry Vyukov
2019-11-08 12:17 ` Dmitry Vyukov
2019-11-21 12:06 ` Alexander Potapenko
2019-11-13 8:13 ` Wolfram Sang
2019-11-21 12:01 ` Alexander Potapenko
2019-10-30 14:22 ` [PATCH RFC v2 10/25] kmsan: define READ_ONCE_NOCHECK() glider
2019-11-05 14:21 ` Mark Rutland
2019-11-21 12:08 ` Alexander Potapenko
2019-10-30 14:22 ` [PATCH RFC v2 11/25] kmsan: x86: sync metadata pages on page fault glider
2019-10-30 14:22 ` [PATCH RFC v2 12/25] kmsan: add tests for KMSAN glider
2019-10-30 14:22 ` [PATCH RFC v2 13/25] kmsan: make READ_ONCE_TASK_STACK() return initialized values glider
2019-10-30 14:22 ` glider [this message]
2019-10-30 14:34 ` [PATCH RFC v2 14/25] kmsan: Kconfig changes to disable options incompatible with KMSAN Qian Cai
2019-10-30 14:34 ` Christoph Hellwig
2019-10-30 14:22 ` [PATCH RFC v2 15/25] kmsan: Changing existing files to enable KMSAN builds glider
2019-10-30 14:36 ` Christoph Hellwig
2019-10-30 14:22 ` [PATCH RFC v2 16/25] kmsan: disable KMSAN instrumentation for certain kernel parts glider
2019-10-30 14:22 ` [PATCH RFC v2 17/25] kmsan: mm: call KMSAN hooks from SLUB code glider
2019-10-30 16:07 ` Andrey Konovalov
2019-10-30 14:22 ` [PATCH RFC v2 18/25] kmsan: call KMSAN hooks where needed glider
2019-10-31 11:49 ` Petr Mladek
2019-11-01 8:26 ` Sergey Senozhatsky
2019-11-05 14:12 ` Alexander Potapenko
2019-11-06 9:04 ` Petr Mladek
2019-11-06 9:07 ` Sergey Senozhatsky
2019-10-30 14:22 ` [PATCH RFC v2 19/25] kmsan: disable instrumentation of certain functions glider
2019-10-30 14:22 ` [PATCH RFC v2 20/25] kmsan: unpoison |tlb| in arch_tlb_gather_mmu() glider
2019-10-30 14:22 ` [PATCH RFC v2 21/25] kmsan: use __msan_memcpy() where possible glider
2019-10-30 14:22 ` [PATCH RFC v2 22/25] kmsan: unpoisoning buffers from devices etc glider
2019-10-30 14:38 ` Christoph Hellwig
2019-11-05 15:02 ` Alexander Potapenko
2019-11-07 13:00 ` Alexander Potapenko
2019-11-13 11:07 ` Alexander Potapenko
2019-11-01 22:25 ` kbuild test robot
2019-11-03 18:16 ` kbuild test robot
2019-10-30 14:22 ` [PATCH RFC v2 23/25] kmsan: hooks for copy_to_user() and friends glider
2019-11-01 23:08 ` kbuild test robot
2019-11-03 22:10 ` kbuild test robot
2019-10-30 14:22 ` [PATCH RFC v2 24/25] kmsan: disable strscpy() optimization under KMSAN glider
2019-10-30 14:22 ` [PATCH RFC v2 25/25] net: kasan: kmsan: support CONFIG_GENERIC_CSUM on x86, enable it for KASAN/KMSAN glider
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