[git] GnuPG - branch, master, updated. gnupg-2.1.16-16-g5c2db9d

[by NIIBE Yutaka]

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- Log -----------------------------------------------------------------
commit 5c2db9dedfe9dbb14ffec24751ca23a69cead94e
Author: NIIBE Yutaka <gniibe at fsij.org>
Date:   Tue Nov 22 20:53:57 2016 +0900

    scd: Fix receive buffer size.
    
    * scd/apdu.c (send_le): Fix the size, adding two for status
    bytes to Le.
    
    --
    
    This is long standing bug.  So far, Le was not exact value.
    Since forthcoming change will introduce exact value of expected length
    of response data, this change is needed.
    
    Signed-off-by: NIIBE Yutaka <gniibe at fsij.org>

diff --git a/scd/apdu.c b/scd/apdu.c
index 54f3b30..b32fe80 100644
--- a/scd/apdu.c
+++ b/scd/apdu.c
@@ -3757,8 +3757,9 @@ send_le (int slot, int class, int ins, int p0, int p1,
 
   if (use_extended_length && (le > 256 || le < 0))
     {
-      result_buffer_size = le < 0? 4096 : le;
-      result_buffer = xtrymalloc (result_buffer_size + 10);
+      /* Two more bytes are needed for status bytes.  */
+      result_buffer_size = le < 0? 4096 : (le + 2);
+      result_buffer = xtrymalloc (result_buffer_size);
       if (!result_buffer)
         {
           xfree (apdu_buffer);

-----------------------------------------------------------------------

Summary of changes:
 scd/apdu.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)


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