crypto: x86/aria - fix crash with CFI enabled

aria_aesni_avx_encrypt_16way(), aria_aesni_avx_decrypt_16way(),
aria_aesni_avx_ctr_crypt_16way(), aria_aesni_avx_gfni_encrypt_16way(),
aria_aesni_avx_gfni_decrypt_16way(), and
aria_aesni_avx_gfni_ctr_crypt_16way() are called via indirect function
calls.  Therefore they need to use SYM_TYPED_FUNC_START instead of
SYM_FUNC_START to cause their type hashes to be emitted when the kernel
is built with CONFIG_CFI_CLANG=y.  Otherwise, the code crashes with a
CFI failure.

Fixes: ccace936eec7 ("x86: Add types to indirectly called assembly functions")
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Cc: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/x86/crypto/aria-aesni-avx-asm_64.S b/arch/x86/crypto/aria-aesni-avx-asm_64.S
index c75fd7d015ed8c958819f30d363b59b8b972321c..03ae4cd1d976a2e0fab0e18dc5b597545c4fadd1 100644 (file)
--- a/arch/x86/crypto/aria-aesni-avx-asm_64.S
+++ b/arch/x86/crypto/aria-aesni-avx-asm_64.S
@@ -7,6 +7,7 @@
  */
 
 #include <linux/linkage.h>
+#include <linux/cfi_types.h>
 #include <asm/frame.h>
 
 /* struct aria_ctx: */
@@ -913,7 +914,7 @@ SYM_FUNC_START_LOCAL(__aria_aesni_avx_crypt_16way)
        RET;
 SYM_FUNC_END(__aria_aesni_avx_crypt_16way)
 
-SYM_FUNC_START(aria_aesni_avx_encrypt_16way)
+SYM_TYPED_FUNC_START(aria_aesni_avx_encrypt_16way)
        /* input:
        *      %rdi: ctx, CTX
        *      %rsi: dst
@@ -938,7 +939,7 @@ SYM_FUNC_START(aria_aesni_avx_encrypt_16way)
        RET;
 SYM_FUNC_END(aria_aesni_avx_encrypt_16way)
 
-SYM_FUNC_START(aria_aesni_avx_decrypt_16way)
+SYM_TYPED_FUNC_START(aria_aesni_avx_decrypt_16way)
        /* input:
        *      %rdi: ctx, CTX
        *      %rsi: dst
@@ -1039,7 +1040,7 @@ SYM_FUNC_START_LOCAL(__aria_aesni_avx_ctr_gen_keystream_16way)
        RET;
 SYM_FUNC_END(__aria_aesni_avx_ctr_gen_keystream_16way)
 
-SYM_FUNC_START(aria_aesni_avx_ctr_crypt_16way)
+SYM_TYPED_FUNC_START(aria_aesni_avx_ctr_crypt_16way)
        /* input:
        *      %rdi: ctx
        *      %rsi: dst
@@ -1208,7 +1209,7 @@ SYM_FUNC_START_LOCAL(__aria_aesni_avx_gfni_crypt_16way)
        RET;
 SYM_FUNC_END(__aria_aesni_avx_gfni_crypt_16way)
 
-SYM_FUNC_START(aria_aesni_avx_gfni_encrypt_16way)
+SYM_TYPED_FUNC_START(aria_aesni_avx_gfni_encrypt_16way)
        /* input:
        *      %rdi: ctx, CTX
        *      %rsi: dst
@@ -1233,7 +1234,7 @@ SYM_FUNC_START(aria_aesni_avx_gfni_encrypt_16way)
        RET;
 SYM_FUNC_END(aria_aesni_avx_gfni_encrypt_16way)
 
-SYM_FUNC_START(aria_aesni_avx_gfni_decrypt_16way)
+SYM_TYPED_FUNC_START(aria_aesni_avx_gfni_decrypt_16way)
        /* input:
        *      %rdi: ctx, CTX
        *      %rsi: dst
@@ -1258,7 +1259,7 @@ SYM_FUNC_START(aria_aesni_avx_gfni_decrypt_16way)
        RET;
 SYM_FUNC_END(aria_aesni_avx_gfni_decrypt_16way)
 
-SYM_FUNC_START(aria_aesni_avx_gfni_ctr_crypt_16way)
+SYM_TYPED_FUNC_START(aria_aesni_avx_gfni_ctr_crypt_16way)
        /* input:
        *      %rdi: ctx
        *      %rsi: dst