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Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

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Pull crypto library fixes from Eric Biggers:
 "Two Curve25519 related fixes:

   - Re-enable KASAN support on curve25519-hacl64.c with gcc.

   - Disable the arm optimized Curve25519 code on CPU_BIG_ENDIAN
     kernels. It has always been broken in that configuration"

* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
  lib/crypto: arm/curve25519: Disable on CPU_BIG_ENDIAN
  lib/crypto: curve25519-hacl64: Fix older clang KASAN workaround for GCC
This commit is contained in:
Linus Torvalds
2025-11-06 12:48:18 -08:00
parent c668da99b9 44e8241c51
commit a1388fcb52
2 changed files with 2 additions and 2 deletions
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2
lib/crypto/Kconfig
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@@ -64,7 +64,7 @@ config CRYPTO_LIB_CURVE25519
config CRYPTO_LIB_CURVE25519_ARCH
bool
depends on CRYPTO_LIB_CURVE25519 && !UML && !KMSAN
default y if ARM && KERNEL_MODE_NEON
default y if ARM && KERNEL_MODE_NEON && !CPU_BIG_ENDIAN
default y if PPC64 && CPU_LITTLE_ENDIAN
default y if X86_64

2
lib/crypto/Makefile
View File

@@ -90,7 +90,7 @@ else
libcurve25519-$(CONFIG_CRYPTO_LIB_CURVE25519_GENERIC) += curve25519-fiat32.o
endif
# clang versions prior to 18 may blow out the stack with KASAN
ifeq ($(call clang-min-version, 180000),)
ifeq ($(CONFIG_CC_IS_CLANG)_$(call clang-min-version, 180000),y_)
KASAN_SANITIZE_curve25519-hacl64.o := n
endif