From: Philippe Waroquiers <philippe.waroquiers@skynet.be>
Date: Sat, 19 Jan 2013 21:08:27 +0000 (+0000)
Subject: Fix buffer overrun due to copy paste from x86 to amd64.
X-Git-Tag: svn/VALGRIND_3_9_0~436
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef7a42868a74ec7f93a69e7af218fd2983417166;p=thirdparty%2Fvalgrind.git

Fix buffer overrun due to copy paste from x86 to amd64.
Detected by Florian (using coverity tool).


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13245
---

diff --git a/coregrind/m_gdbserver/valgrind-low-amd64.c b/coregrind/m_gdbserver/valgrind-low-amd64.c
index b8164518b1..82f85f0527 100644
--- a/coregrind/m_gdbserver/valgrind-low-amd64.c
+++ b/coregrind/m_gdbserver/valgrind-low-amd64.c
@@ -209,13 +209,13 @@ void transfer_register (ThreadId tid, int abs_regno, void * buf,
    case 31: 
       if (dir == valgrind_to_gdbserver) {
          UChar fpreg80[10];
-         convert_f64le_to_f80le ((UChar *)&amd64->guest_FPREG[regno-16],
+         convert_f64le_to_f80le ((UChar *)&amd64->guest_FPREG[regno-24],
                                  fpreg80);
          VG_(transfer) (&fpreg80, buf, dir, sizeof(fpreg80), mod);
       } else {
          ULong fpreg64;
          convert_f80le_to_f64le (buf, (UChar *)&fpreg64); 
-         VG_(transfer) (&amd64->guest_FPREG[regno-16], &fpreg64,
+         VG_(transfer) (&amd64->guest_FPREG[regno-24], &fpreg64,
                         dir, sizeof(fpreg64), mod);
       }
       break;