[git] GPG-ERROR - branch, master, updated. libgpg-error-1.20-11-g68827cb

[by Justus Winter]

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      from  ee0568476506e54349a38d4bb34bba5635097279 (commit)

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- Log -----------------------------------------------------------------
commit 68827cbba2083db40df92de1bc449a3d2d0e81ed
Author: Justus Winter <justus at g10code.com>
Date:   Thu Dec 3 13:50:44 2015 +0100

    tests: Fix read past buffer.
    
    * tests/t-poll.c (test_poll): Fix read past buffer.
    --
    Found using gcc and AddressSanitizer.
    
    Signed-off-by: Justus Winter <justus at g10code.com>

diff --git a/tests/t-poll.c b/tests/t-poll.c
index 5955d50..57cdb75 100644
--- a/tests/t-poll.c
+++ b/tests/t-poll.c
@@ -288,7 +288,9 @@ test_poll (void)
               if (!ret)
                 {
                   assert (nwritten <= used);
-                  memmove (buffer, buffer + nwritten, nwritten);
+                  /* Move the remaining data to the front of buffer.  */
+                  memmove (buffer, buffer + nwritten,
+                           sizeof buffer - nwritten);
                   used -= nwritten;
                 }
               ret = es_fflush (fds[1].stream);

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

Summary of changes:
 tests/t-poll.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)


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