[gnunet] branch master updated: fix #6157

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 6d7fd3328 fix #6157
6d7fd3328 is described below

commit 6d7fd3328a2ffe42ef52f914d913f1ee4d290adc
Author: Christian Grothoff <address@hidden>
AuthorDate: Fri Apr 3 18:50:09 2020 +0200

    fix #6157
---
 src/util/strings.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/util/strings.c b/src/util/strings.c
index be2ec33dc..9510b3b3b 100644
--- a/src/util/strings.c
+++ b/src/util/strings.c
@@ -972,14 +972,14 @@ GNUNET_STRINGS_string_to_data (const char *enc,
                                void *out,
                                size_t out_size)
 {
-  unsigned int rpos;
-  unsigned int wpos;
+  size_t rpos;
+  size_t wpos;
   unsigned int bits;
   unsigned int vbit;
   int ret;
   int shift;
   unsigned char *uout;
-  unsigned int encoded_len = out_size * 8;
+  size_t encoded_len;
 
   if (0 == enclen)
   {
@@ -987,6 +987,8 @@ GNUNET_STRINGS_string_to_data (const char *enc,
       return GNUNET_OK;
     return GNUNET_SYSERR;
   }
+  GNUNET_assert (out_size < SIZE_MAX / 8);
+  encoded_len = out_size * 8;
   uout = out;
   wpos = out_size;
   rpos = enclen;

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