From: Tianjia Zhang Date: Fri, 15 Oct 2021 03:47:33 +0000 (+0800) Subject: crypto: x86/sm4 - Fix invalid section entry size X-Git-Tag: v5.15~12^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8690a4b5a1b64f74ae5c4f7c4ea880d8a8e1a0d;p=thirdparty%2Fkernel%2Fstable.git crypto: x86/sm4 - Fix invalid section entry size This fixes the following warning: vmlinux.o: warning: objtool: elf_update: invalid section entry size The size of the rodata section is 164 bytes, directly using the entry_size of 164 bytes will cause errors in some versions of the gcc compiler, while using 16 bytes directly will cause errors in the clang compiler. This patch correct it by filling the size of rodata to a 16-byte boundary. Fixes: a7ee22ee1445 ("crypto: x86/sm4 - add AES-NI/AVX/x86_64 implementation") Fixes: 5b2efa2bb865 ("crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation") Reported-by: Peter Zijlstra Reported-by: Abaci Robot Signed-off-by: Tianjia Zhang Tested-by: Heyuan Shi Signed-off-by: Herbert Xu --- diff --git a/arch/x86/crypto/sm4-aesni-avx-asm_64.S b/arch/x86/crypto/sm4-aesni-avx-asm_64.S index 18d2f51991944..1cc72b4804fab 100644 --- a/arch/x86/crypto/sm4-aesni-avx-asm_64.S +++ b/arch/x86/crypto/sm4-aesni-avx-asm_64.S @@ -78,7 +78,7 @@ vpxor tmp0, x, x; -.section .rodata.cst164, "aM", @progbits, 164 +.section .rodata.cst16, "aM", @progbits, 16 .align 16 /* @@ -133,6 +133,10 @@ .L0f0f0f0f: .long 0x0f0f0f0f +/* 12 bytes, only for padding */ +.Lpadding_deadbeef: + .long 0xdeadbeef, 0xdeadbeef, 0xdeadbeef + .text .align 16 diff --git a/arch/x86/crypto/sm4-aesni-avx2-asm_64.S b/arch/x86/crypto/sm4-aesni-avx2-asm_64.S index d2ffd7f76ee23..9c5d3f3ad45a9 100644 --- a/arch/x86/crypto/sm4-aesni-avx2-asm_64.S +++ b/arch/x86/crypto/sm4-aesni-avx2-asm_64.S @@ -93,7 +93,7 @@ vpxor tmp0, x, x; -.section .rodata.cst164, "aM", @progbits, 164 +.section .rodata.cst16, "aM", @progbits, 16 .align 16 /* @@ -148,6 +148,10 @@ .L0f0f0f0f: .long 0x0f0f0f0f +/* 12 bytes, only for padding */ +.Lpadding_deadbeef: + .long 0xdeadbeef, 0xdeadbeef, 0xdeadbeef + .text .align 16