bsaes-x86_64.pl: fix buffer overrun in tail processing.

[openssl.git] / crypto / aes / asm / bsaes-x86_64.pl

diff --git a/crypto/aes/asm/bsaes-x86_64.pl b/crypto/aes/asm/bsaes-x86_64.pl
index edc70fa1bec7d28969e7e72318ee1dc050332d03..ff7e3afe82dca43cc25e5c5c7bf55496e71f7963 100644 (file)
--- a/crypto/aes/asm/bsaes-x86_64.pl
+++ b/crypto/aes/asm/bsaes-x86_64.pl
@@ -1894,6 +1894,7 @@ $code.=<<___;
        jmp     .Lctr_enc_done
 .align 16
 .Lctr_enc_loop_done:
        jmp     .Lctr_enc_done
 .align 16
 .Lctr_enc_loop_done:

+       add     \$8, $len

        movdqu  0x00($inp), @XMM[8]     # load input
        pxor    @XMM[8], @XMM[0]
        movdqu  @XMM[0], 0x00($out)     # write output
        movdqu  0x00($inp), @XMM[8]     # load input
        pxor    @XMM[8], @XMM[0]
        movdqu  @XMM[0], 0x00($out)     # write output