linux: Use the expected size for SO_TIMESTAMP{NS} convertion

Kernel returns 32-bit values for COMPAT_SO_TIMESTAMP{NS}_OLD,
not 64-bit values.

Checked on x86_64-linux-gnu and i686-linux-gnu.

diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 5af71847f5762655dce25b273f370685bddb50e9..00c934c4135f0d4256068adcf23a3de024fadd43 100644 (file)
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -44,7 +44,8 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
      'struct __kernel_sock_timeval' while for SO_TIMESTAMPNS_NEW is a
      'struct __kernel_timespec'.  In either case it is two uint64_t
      members.  */
-  uint64_t tvts[2];
+  int64_t tvts[2];
+  int32_t tmp[2];
 
   struct cmsghdr *cmsg, *last = NULL;
   int type = 0;
@@ -69,7 +70,9 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
 
        /* fallthrough  */
        common:
-         memcpy (tvts, CMSG_DATA (cmsg), sizeof (tvts));
+         memcpy (tmp, CMSG_DATA (cmsg), sizeof (tmp));
+         tvts[0] = tmp[0];
+         tvts[1] = tmp[1];
          break;
        }