[gnunet] branch master updated: -fix serialization invalid memory access

[gnunet]

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martin-schanzenbach pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 3f811502e -fix serialization invalid memory access
3f811502e is described below

commit 3f811502ea804c4c3e8031d50dc27db210152337
Author: Martin Schanzenbach <schanzen@gnunet.org>
AuthorDate: Tue Jun 7 18:28:42 2022 +0200

    -fix serialization invalid memory access
---
 src/gnsrecord/gnsrecord_serialization.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/gnsrecord/gnsrecord_serialization.c 
b/src/gnsrecord/gnsrecord_serialization.c
index eaa3a9ab2..97c488c2b 100644
--- a/src/gnsrecord/gnsrecord_serialization.c
+++ b/src/gnsrecord/gnsrecord_serialization.c
@@ -229,15 +229,15 @@ GNUNET_GNSRECORD_records_deserialize_get_size (size_t len,
   off = 0;
   for (off = 0; (off + sizeof(rec) <= len) && (off + sizeof(rec) >= off);)
   {
+    GNUNET_memcpy (&rec,
+                   &src[off],
+                   sizeof(rec));
     /*
      * If we have found a byte string of zeroes, we have reached
      * the padding
      */
     if (0 == GNUNET_memcmp (&rec, &rec_zero))
       break;
-    GNUNET_memcpy (&rec,
-                   &src[off],
-                   sizeof(rec));
     off += sizeof(rec);
     if ((off + ntohs ((uint16_t) rec.data_size) > len) ||
         (off + ntohs ((uint16_t) rec.data_size) < off))

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