The branch master has been updated
via ebc20cfa746cb7dec91aff1e241063d785644fe3 (commit)
from c423ecaa7f6d0cc77c4f121c6de7d585439bca8f (commit)
- Log -----------------------------------------------------------------
commit ebc20cfa746cb7dec91aff1e241063d785644fe3
Author: Bernd Edlinger <bernd.edlin...@hotmail.de>
Date: Fri Feb 9 17:19:50 2018 +0100
Swap the check in ssl3_write_pending to avoid using
the possibly indeterminate pointer value in wpend_buf.
Reviewed-by: Matt Caswell <m...@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5305)
-----------------------------------------------------------------------
Summary of changes:
ssl/record/rec_layer_s3.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/ssl/record/rec_layer_s3.c b/ssl/record/rec_layer_s3.c
index 24e260e..fbb7461 100644
--- a/ssl/record/rec_layer_s3.c
+++ b/ssl/record/rec_layer_s3.c
@@ -1115,8 +1115,8 @@ int ssl3_write_pending(SSL *s, int type, const unsigned
char *buf, size_t len,
size_t tmpwrit = 0;
if ((s->rlayer.wpend_tot > len)
- || ((s->rlayer.wpend_buf != buf) &&
- !(s->mode & SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER))
+ || (!(s->mode & SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER)
+ && (s->rlayer.wpend_buf != buf))
|| (s->rlayer.wpend_type != type)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_WRITE_PENDING,
SSL_R_BAD_WRITE_RETRY);
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