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Commit9a7c987fb9("crypto: arm64/ghash - Use API partial block handling") made ghash_finup() pass the wrong buffer to ghash_do_simd_update(). As a result, ghash-neon now produces incorrect outputs when the message length isn't divisible by 16 bytes. Fix this. (I didn't notice this earlier because this code is reached only on CPUs that support NEON but not PMULL. I haven't yet found a way to get qemu-system-aarch64 to emulate that configuration.) Fixes:9a7c987fb9("crypto: arm64/ghash - Use API partial block handling") Cc: stable@vger.kernel.org Reported-by: Diederik de Haas <diederik@cknow-tech.com> Closes: https://lore.kernel.org/linux-crypto/DETXT7QI62KE.F3CGH2VWX1SC@cknow-tech.com/ Tested-by: Diederik de Haas <diederik@cknow-tech.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Link: https://lore.kernel.org/r/20251209223417.112294-1-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org>