Eric Biggers <ebiggers@xxxxxxxxxx> writes: > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > The PowerPC implementation of SHA-1 doesn't actually use the 16-word > temporary array that's passed to the assembly code. This was probably > meant to correspond to the 'W' array that lib/sha1.c uses. However, in > sha1-powerpc-asm.S these values are actually stored in GPRs 16-31. > > Referencing SHA_WORKSPACE_WORDS from this code also isn't appropriate, > since it's an implementation detail of lib/sha1.c. > > Therefore, just remove this unneeded array. > > Tested with: > > export ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu- > make mpc85xx_defconfig > cat >> .config << EOF > # CONFIG_MODULES is not set > # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set > CONFIG_DEBUG_KERNEL=y > CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y > CONFIG_CRYPTO_SHA1_PPC=y > EOF > make olddefconfig > make -j32 > qemu-system-ppc -M mpc8544ds -cpu e500 -nographic \ > -kernel arch/powerpc/boot/zImage \ > -append "cryptomgr.fuzz_iterations=1000 cryptomgr.panic_on_fail=1" Thanks for testing. I gave it a quick spin on a Power9 and it showed no issues. Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers
